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annotate src/libvterm/src/termscreen.c @ 15249:544490b69e1d v8.1.0633

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patch 8.1.0633: crash when out of memory while opening a terminal window commit https://github.com/vim/vim/commit/cd929f7ba8cc5b6d6dcf35c8b34124e969fed6b8 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Dec 24 21:38:45 2018 +0100 patch 8.1.0633: crash when out of memory while opening a terminal window Problem: Crash when out of memory while opening a terminal window. Solution: Handle out-of-memory more gracefully.
author Bram Moolenaar <Bram@vim.org>
date Mon, 24 Dec 2018 21:45:05 +0100
parents 2c72fa16aa70
children a1229400434a
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rev   line source
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1 #include "vterm_internal.h"
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2
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3 /* vim: set sw=2 : */
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4 #include <stdio.h>
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5 #include <string.h>
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6
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7 #include "rect.h"
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8 #include "utf8.h"
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9
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10 #define UNICODE_SPACE 0x20
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11 #define UNICODE_LINEFEED 0x0a
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12
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13 /* State of the pen at some moment in time, also used in a cell */
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14 typedef struct
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15 {
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16 /* After the bitfield */
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17 VTermColor fg, bg;
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18
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19 unsigned int bold : 1;
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20 unsigned int underline : 2;
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21 unsigned int italic : 1;
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22 unsigned int blink : 1;
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23 unsigned int reverse : 1;
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24 unsigned int strike : 1;
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25 unsigned int font : 4; /* 0 to 9 */
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26
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27 /* Extra state storage that isn't strictly pen-related */
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28 unsigned int protected_cell : 1;
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29 unsigned int dwl : 1; /* on a DECDWL or DECDHL line */
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30 unsigned int dhl : 2; /* on a DECDHL line (1=top 2=bottom) */
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31 } ScreenPen;
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32
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33 /* Internal representation of a screen cell */
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34 typedef struct
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35 {
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36 uint32_t chars[VTERM_MAX_CHARS_PER_CELL];
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37 ScreenPen pen;
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38 } ScreenCell;
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39
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40 static int vterm_screen_set_cell(VTermScreen *screen, VTermPos pos, const VTermScreenCell *cell);
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41
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42 struct VTermScreen
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43 {
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44 VTerm *vt;
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45 VTermState *state;
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46
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47 const VTermScreenCallbacks *callbacks;
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48 void *cbdata;
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49
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50 VTermDamageSize damage_merge;
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51 /* start_row == -1 => no damage */
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52 VTermRect damaged;
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53 VTermRect pending_scrollrect;
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54 int pending_scroll_downward, pending_scroll_rightward;
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55
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56 int rows;
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57 int cols;
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58 int global_reverse;
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59
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60 /* Primary and Altscreen. buffers[1] is lazily allocated as needed */
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61 ScreenCell *buffers[2];
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62
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63 /* buffer will == buffers[0] or buffers[1], depending on altscreen */
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64 ScreenCell *buffer;
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65
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66 /* buffer for a single screen row used in scrollback storage callbacks */
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67 VTermScreenCell *sb_buffer;
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68
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69 ScreenPen pen;
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70 };
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71
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72 static ScreenCell *getcell(const VTermScreen *screen, int row, int col)
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73 {
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74 if(row < 0 || row >= screen->rows)
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75 return NULL;
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76 if(col < 0 || col >= screen->cols)
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77 return NULL;
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78 return screen->buffer + (screen->cols * row) + col;
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79 }
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80
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81 static ScreenCell *realloc_buffer(VTermScreen *screen, ScreenCell *buffer, int new_rows, int new_cols)
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82 {
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83 ScreenCell *new_buffer = vterm_allocator_malloc(screen->vt, sizeof(ScreenCell) * new_rows * new_cols);
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84 int row, col;
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85
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86 for(row = 0; row < new_rows; row++) {
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87 for(col = 0; col < new_cols; col++) {
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88 ScreenCell *new_cell = new_buffer + row*new_cols + col;
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89
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90 if(buffer && row < screen->rows && col < screen->cols)
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91 *new_cell = buffer[row * screen->cols + col];
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92 else {
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93 new_cell->chars[0] = 0;
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94 new_cell->pen = screen->pen;
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95 }
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96 }
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97 }
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98
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99 vterm_allocator_free(screen->vt, buffer);
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100
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101 return new_buffer;
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102 }
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103
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104 static void damagerect(VTermScreen *screen, VTermRect rect)
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105 {
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106 VTermRect emit;
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107
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108 switch(screen->damage_merge) {
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109 case VTERM_DAMAGE_CELL:
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110 /* Always emit damage event */
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111 emit = rect;
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112 break;
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113
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114 case VTERM_DAMAGE_ROW:
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115 /* Emit damage longer than one row. Try to merge with existing damage in
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116 * the same row */
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117 if(rect.end_row > rect.start_row + 1) {
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118 // Bigger than 1 line - flush existing, emit this
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119 vterm_screen_flush_damage(screen);
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120 emit = rect;
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121 }
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122 else if(screen->damaged.start_row == -1) {
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123 // None stored yet
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124 screen->damaged = rect;
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125 return;
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126 }
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127 else if(rect.start_row == screen->damaged.start_row) {
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128 // Merge with the stored line
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129 if(screen->damaged.start_col > rect.start_col)
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130 screen->damaged.start_col = rect.start_col;
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131 if(screen->damaged.end_col < rect.end_col)
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132 screen->damaged.end_col = rect.end_col;
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133 return;
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134 }
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135 else {
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136 // Emit the currently stored line, store a new one
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137 emit = screen->damaged;
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138 screen->damaged = rect;
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139 }
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140 break;
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141
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142 case VTERM_DAMAGE_SCREEN:
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143 case VTERM_DAMAGE_SCROLL:
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144 /* Never emit damage event */
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145 if(screen->damaged.start_row == -1)
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146 screen->damaged = rect;
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147 else {
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148 rect_expand(&screen->damaged, &rect);
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149 }
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150 return;
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151
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152 default:
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153 DEBUG_LOG1("TODO: Maybe merge damage for level %d\n", screen->damage_merge);
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154 return;
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155 }
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156
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157 if(screen->callbacks && screen->callbacks->damage)
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158 (*screen->callbacks->damage)(emit, screen->cbdata);
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159 }
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160
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161 static void damagescreen(VTermScreen *screen)
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162 {
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163 VTermRect rect = {0,0,0,0};
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164 rect.end_row = screen->rows;
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165 rect.end_col = screen->cols;
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166
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167 damagerect(screen, rect);
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168 }
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169
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170 static int putglyph(VTermGlyphInfo *info, VTermPos pos, void *user)
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171 {
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172 int i;
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173 int col;
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174 VTermRect rect;
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175
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176 VTermScreen *screen = user;
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177 ScreenCell *cell = getcell(screen, pos.row, pos.col);
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178
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179 if(!cell)
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180 return 0;
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181
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182 for(i = 0; i < VTERM_MAX_CHARS_PER_CELL && info->chars[i]; i++) {
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183 cell->chars[i] = info->chars[i];
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184 cell->pen = screen->pen;
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185 }
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186 if(i < VTERM_MAX_CHARS_PER_CELL)
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187 cell->chars[i] = 0;
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188
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189 for(col = 1; col < info->width; col++)
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190 getcell(screen, pos.row, pos.col + col)->chars[0] = (uint32_t)-1;
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191
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192 rect.start_row = pos.row;
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193 rect.end_row = pos.row+1;
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194 rect.start_col = pos.col;
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195 rect.end_col = pos.col+info->width;
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196
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197 cell->pen.protected_cell = info->protected_cell;
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198 cell->pen.dwl = info->dwl;
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199 cell->pen.dhl = info->dhl;
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200
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201 damagerect(screen, rect);
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202
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203 return 1;
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204 }
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205
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206 static int moverect_internal(VTermRect dest, VTermRect src, void *user)
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207 {
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208 VTermScreen *screen = user;
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209
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210 if(screen->callbacks && screen->callbacks->sb_pushline &&
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211 dest.start_row == 0 && dest.start_col == 0 && // starts top-left corner
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212 dest.end_col == screen->cols && // full width
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213 screen->buffer == screen->buffers[0]) { // not altscreen
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214 VTermPos pos;
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215 for(pos.row = 0; pos.row < src.start_row; pos.row++) {
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216 for(pos.col = 0; pos.col < screen->cols; pos.col++)
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217 (void)vterm_screen_get_cell(screen, pos, screen->sb_buffer + pos.col);
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218
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219 (screen->callbacks->sb_pushline)(screen->cols, screen->sb_buffer, screen->cbdata);
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220 }
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221 }
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222
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223 {
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224 int cols = src.end_col - src.start_col;
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225 int downward = src.start_row - dest.start_row;
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226 int init_row, test_row, inc_row;
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227 int row;
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diff changeset
228
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229 if(downward < 0) {
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230 init_row = dest.end_row - 1;
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231 test_row = dest.start_row - 1;
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232 inc_row = -1;
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233 }
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diff changeset
234 else {
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diff changeset
235 init_row = dest.start_row;
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diff changeset
236 test_row = dest.end_row;
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237 inc_row = +1;
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diff changeset
238 }
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diff changeset
239
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240 for(row = init_row; row != test_row; row += inc_row)
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diff changeset
241 memmove(getcell(screen, row, dest.start_col),
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diff changeset
242 getcell(screen, row + downward, src.start_col),
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243 cols * sizeof(ScreenCell));
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diff changeset
244 }
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diff changeset
245
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246 return 1;
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diff changeset
247 }
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diff changeset
248
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diff changeset
249 static int moverect_user(VTermRect dest, VTermRect src, void *user)
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250 {
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251 VTermScreen *screen = user;
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diff changeset
252
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253 if(screen->callbacks && screen->callbacks->moverect) {
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diff changeset
254 if(screen->damage_merge != VTERM_DAMAGE_SCROLL)
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diff changeset
255 // Avoid an infinite loop
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256 vterm_screen_flush_damage(screen);
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diff changeset
257
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258 if((*screen->callbacks->moverect)(dest, src, screen->cbdata))
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diff changeset
259 return 1;
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diff changeset
260 }
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diff changeset
261
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diff changeset
262 damagerect(screen, dest);
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parents:
diff changeset
263
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
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diff changeset
264 return 1;
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parents:
diff changeset
265 }
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diff changeset
266
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
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diff changeset
267 static int erase_internal(VTermRect rect, int selective, void *user)
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diff changeset
268 {
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diff changeset
269 VTermScreen *screen = user;
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diff changeset
270 int row, col;
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diff changeset
271
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diff changeset
272 for(row = rect.start_row; row < screen->state->rows && row < rect.end_row; row++) {
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diff changeset
273 const VTermLineInfo *info = vterm_state_get_lineinfo(screen->state, row);
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diff changeset
274
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diff changeset
275 for(col = rect.start_col; col < rect.end_col; col++) {
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diff changeset
276 ScreenCell *cell = getcell(screen, row, col);
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diff changeset
277
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diff changeset
278 if(selective && cell->pen.protected_cell)
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parents:
diff changeset
279 continue;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
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diff changeset
280
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
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diff changeset
281 cell->chars[0] = 0;
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diff changeset
282 cell->pen = screen->pen;
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diff changeset
283 cell->pen.dwl = info->doublewidth;
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diff changeset
284 cell->pen.dhl = info->doubleheight;
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diff changeset
285 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
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parents:
diff changeset
286 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
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parents:
diff changeset
287
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
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diff changeset
288 return 1;
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parents:
diff changeset
289 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
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diff changeset
290
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
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diff changeset
291 static int erase_user(VTermRect rect, int selective UNUSED, void *user)
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diff changeset
292 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
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diff changeset
293 VTermScreen *screen = user;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
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parents:
diff changeset
294
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
295 damagerect(screen, rect);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
296
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
297 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
298 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
299
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
300 static int erase(VTermRect rect, int selective, void *user)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
301 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
302 erase_internal(rect, selective, user);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
303 return erase_user(rect, 0, user);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
304 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
305
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
306 static int scrollrect(VTermRect rect, int downward, int rightward, void *user)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
307 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
308 VTermScreen *screen = user;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
309
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
310 if(screen->damage_merge != VTERM_DAMAGE_SCROLL) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
311 vterm_scroll_rect(rect, downward, rightward,
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
312 moverect_internal, erase_internal, screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
313
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
314 vterm_screen_flush_damage(screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
315
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
316 vterm_scroll_rect(rect, downward, rightward,
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
317 moverect_user, erase_user, screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
318
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
319 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
320 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
321
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
322 if(screen->damaged.start_row != -1 &&
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
323 !rect_intersects(&rect, &screen->damaged)) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
324 vterm_screen_flush_damage(screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
325 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
326
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
327 if(screen->pending_scrollrect.start_row == -1) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
328 screen->pending_scrollrect = rect;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
329 screen->pending_scroll_downward = downward;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
330 screen->pending_scroll_rightward = rightward;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
331 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
332 else if(rect_equal(&screen->pending_scrollrect, &rect) &&
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
333 ((screen->pending_scroll_downward == 0 && downward == 0) ||
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
334 (screen->pending_scroll_rightward == 0 && rightward == 0))) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
335 screen->pending_scroll_downward += downward;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
336 screen->pending_scroll_rightward += rightward;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
337 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
338 else {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
339 vterm_screen_flush_damage(screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
340
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
341 screen->pending_scrollrect = rect;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
342 screen->pending_scroll_downward = downward;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
343 screen->pending_scroll_rightward = rightward;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
344 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
345
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
346 vterm_scroll_rect(rect, downward, rightward,
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
347 moverect_internal, erase_internal, screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
348
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
349 if(screen->damaged.start_row == -1)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
350 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
351
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
352 if(rect_contains(&rect, &screen->damaged)) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
353 /* Scroll region entirely contains the damage; just move it */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
354 vterm_rect_move(&screen->damaged, -downward, -rightward);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
355 rect_clip(&screen->damaged, &rect);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
356 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
357 /* There are a number of possible cases here, but lets restrict this to only
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
358 * the common case where we might actually gain some performance by
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
359 * optimising it. Namely, a vertical scroll that neatly cuts the damage
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
360 * region in half.
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
361 */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
362 else if(rect.start_col <= screen->damaged.start_col &&
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
363 rect.end_col >= screen->damaged.end_col &&
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
364 rightward == 0) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
365 if(screen->damaged.start_row >= rect.start_row &&
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
366 screen->damaged.start_row < rect.end_row) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
367 screen->damaged.start_row -= downward;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
368 if(screen->damaged.start_row < rect.start_row)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
369 screen->damaged.start_row = rect.start_row;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
370 if(screen->damaged.start_row > rect.end_row)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
371 screen->damaged.start_row = rect.end_row;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
372 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
373 if(screen->damaged.end_row >= rect.start_row &&
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
374 screen->damaged.end_row < rect.end_row) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
375 screen->damaged.end_row -= downward;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
376 if(screen->damaged.end_row < rect.start_row)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
377 screen->damaged.end_row = rect.start_row;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
378 if(screen->damaged.end_row > rect.end_row)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
379 screen->damaged.end_row = rect.end_row;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
380 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
381 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
382 else {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
383 DEBUG_LOG2("TODO: Just flush and redo damaged=" STRFrect " rect=" STRFrect "\n",
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
384 ARGSrect(screen->damaged), ARGSrect(rect));
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
385 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
386
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
387 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
388 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
389
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
390 static int movecursor(VTermPos pos, VTermPos oldpos, int visible, void *user)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
391 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
392 VTermScreen *screen = user;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
393
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
394 if(screen->callbacks && screen->callbacks->movecursor)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
395 return (*screen->callbacks->movecursor)(pos, oldpos, visible, screen->cbdata);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
396
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
397 return 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
398 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
399
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
400 static int setpenattr(VTermAttr attr, VTermValue *val, void *user)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
401 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
402 VTermScreen *screen = user;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
403
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
404 switch(attr) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
405 case VTERM_ATTR_BOLD:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
406 screen->pen.bold = val->boolean;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
407 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
408 case VTERM_ATTR_UNDERLINE:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
409 screen->pen.underline = val->number;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
410 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
411 case VTERM_ATTR_ITALIC:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
412 screen->pen.italic = val->boolean;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
413 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
414 case VTERM_ATTR_BLINK:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
415 screen->pen.blink = val->boolean;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
416 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
417 case VTERM_ATTR_REVERSE:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
418 screen->pen.reverse = val->boolean;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
419 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
420 case VTERM_ATTR_STRIKE:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
421 screen->pen.strike = val->boolean;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
422 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
423 case VTERM_ATTR_FONT:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
424 screen->pen.font = val->number;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
425 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
426 case VTERM_ATTR_FOREGROUND:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
427 screen->pen.fg = val->color;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
428 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
429 case VTERM_ATTR_BACKGROUND:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
430 screen->pen.bg = val->color;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
431 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
432
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
433 case VTERM_N_ATTRS:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
434 return 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
435 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
436
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
437 return 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
438 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
439
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
440 static int settermprop(VTermProp prop, VTermValue *val, void *user)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
441 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
442 VTermScreen *screen = user;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
443
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
444 switch(prop) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
445 case VTERM_PROP_ALTSCREEN:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
446 if(val->boolean && !screen->buffers[1])
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
447 return 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
448
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
449 screen->buffer = val->boolean ? screen->buffers[1] : screen->buffers[0];
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
450 /* only send a damage event on disable; because during enable there's an
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
451 * erase that sends a damage anyway
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
452 */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
453 if(!val->boolean)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
454 damagescreen(screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
455 break;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
456 case VTERM_PROP_REVERSE:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
457 screen->global_reverse = val->boolean;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
458 damagescreen(screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
459 break;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
460 default:
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
461 ; /* ignore */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
462 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
463
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
464 if(screen->callbacks && screen->callbacks->settermprop)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
465 return (*screen->callbacks->settermprop)(prop, val, screen->cbdata);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
466
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
467 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
468 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
469
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
470 static int bell(void *user)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
471 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
472 VTermScreen *screen = user;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
473
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
474 if(screen->callbacks && screen->callbacks->bell)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
475 return (*screen->callbacks->bell)(screen->cbdata);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
476
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
477 return 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
478 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
479
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
480 static int resize(int new_rows, int new_cols, VTermPos *delta, void *user)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
481 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
482 VTermScreen *screen = user;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
483
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
484 int is_altscreen = (screen->buffers[1] && screen->buffer == screen->buffers[1]);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
485
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
486 int old_rows = screen->rows;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
487 int old_cols = screen->cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
488 int first_blank_row;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
489
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
490 if(!is_altscreen && new_rows < old_rows) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
491 // Fewer rows - determine if we're going to scroll at all, and if so, push
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
492 // those lines to scrollback
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
493 VTermPos pos = { 0, 0 };
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
494 VTermPos cursor = screen->state->pos;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
495 // Find the first blank row after the cursor.
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
496 for(pos.row = old_rows - 1; pos.row >= new_rows; pos.row--)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
497 if(!vterm_screen_is_eol(screen, pos) || cursor.row == pos.row)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
498 break;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
499
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
500 first_blank_row = pos.row + 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
501 if(first_blank_row > new_rows) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
502 VTermRect rect = {0,0,0,0};
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
503 rect.end_row = old_rows;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
504 rect.end_col = old_cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
505 scrollrect(rect, first_blank_row - new_rows, 0, user);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
506 vterm_screen_flush_damage(screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
507
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
508 delta->row -= first_blank_row - new_rows;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
509 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
510 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
511
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
512 screen->buffers[0] = realloc_buffer(screen, screen->buffers[0], new_rows, new_cols);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
513 if(screen->buffers[1])
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
514 screen->buffers[1] = realloc_buffer(screen, screen->buffers[1], new_rows, new_cols);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
515
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
516 screen->buffer = is_altscreen ? screen->buffers[1] : screen->buffers[0];
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
517
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
518 screen->rows = new_rows;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
519 screen->cols = new_cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
520
15249
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
521 vterm_allocator_free(screen->vt, screen->sb_buffer);
14734
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
522
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
523 screen->sb_buffer = vterm_allocator_malloc(screen->vt, sizeof(VTermScreenCell) * new_cols);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
524
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
525 if(new_cols > old_cols) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
526 VTermRect rect;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
527 rect.start_row = 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
528 rect.end_row = old_rows;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
529 rect.start_col = old_cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
530 rect.end_col = new_cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
531 damagerect(screen, rect);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
532 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
533
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
534 if(new_rows > old_rows) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
535 if(!is_altscreen && screen->callbacks && screen->callbacks->sb_popline) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
536 int rows = new_rows - old_rows;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
537 while(rows) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
538 VTermRect rect = {0,0,0,0};
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
539 VTermPos pos = { 0, 0 };
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
540 if(!(screen->callbacks->sb_popline(screen->cols, screen->sb_buffer, screen->cbdata)))
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
541 break;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
542
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
543 rect.end_row = screen->rows;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
544 rect.end_col = screen->cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
545 scrollrect(rect, -1, 0, user);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
546
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
547 for(pos.col = 0; pos.col < screen->cols; pos.col += screen->sb_buffer[pos.col].width)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
548 vterm_screen_set_cell(screen, pos, screen->sb_buffer + pos.col);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
549
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
550 rect.end_row = 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
551 damagerect(screen, rect);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
552
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
553 vterm_screen_flush_damage(screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
554
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
555 rows--;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
556 delta->row++;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
557 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
558 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
559
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
560 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
561 VTermRect rect;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
562 rect.start_row = old_rows;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
563 rect.end_row = new_rows;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
564 rect.start_col = 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
565 rect.end_col = new_cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
566 damagerect(screen, rect);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
567 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
568 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
569
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
570 if(screen->callbacks && screen->callbacks->resize)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
571 return (*screen->callbacks->resize)(new_rows, new_cols, screen->cbdata);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
572
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
573 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
574 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
575
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
576 static int setlineinfo(int row, const VTermLineInfo *newinfo, const VTermLineInfo *oldinfo, void *user)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
577 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
578 VTermScreen *screen = user;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
579 int col;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
580 VTermRect rect;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
581
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
582 if(newinfo->doublewidth != oldinfo->doublewidth ||
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
583 newinfo->doubleheight != oldinfo->doubleheight) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
584 for(col = 0; col < screen->cols; col++) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
585 ScreenCell *cell = getcell(screen, row, col);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
586 cell->pen.dwl = newinfo->doublewidth;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
587 cell->pen.dhl = newinfo->doubleheight;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
588 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
589
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
590 rect.start_row = row;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
591 rect.end_row = row + 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
592 rect.start_col = 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
593 rect.end_col = newinfo->doublewidth ? screen->cols / 2 : screen->cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
594 damagerect(screen, rect);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
595
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
596 if(newinfo->doublewidth) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
597 rect.start_col = screen->cols / 2;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
598 rect.end_col = screen->cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
599
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
600 erase_internal(rect, 0, user);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
601 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
602 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
603
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
604 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
605 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
606
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
607 static VTermStateCallbacks state_cbs = {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
608 &putglyph, /* putglyph */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
609 &movecursor, /* movecursor */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
610 &scrollrect, /* scrollrect */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
611 NULL, /* moverect */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
612 &erase, /* erase */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
613 NULL, /* initpen */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
614 &setpenattr, /* setpenattr */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
615 &settermprop, /* settermprop */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
616 &bell, /* bell */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
617 &resize, /* resize */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
618 &setlineinfo /* setlineinfo */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
619 };
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
620
15249
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
621 /*
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
622 * Allocate a new screen and return it.
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
623 * Return NULL when out of memory.
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
624 */
14734
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
625 static VTermScreen *screen_new(VTerm *vt)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
626 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
627 VTermState *state = vterm_obtain_state(vt);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
628 VTermScreen *screen;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
629 int rows, cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
630
15249
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
631 if (state == NULL)
14734
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
632 return NULL;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
633 screen = vterm_allocator_malloc(vt, sizeof(VTermScreen));
15249
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
634 if (screen == NULL)
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
635 return NULL;
14734
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
636
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
637 vterm_get_size(vt, &rows, &cols);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
638
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
639 screen->vt = vt;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
640 screen->state = state;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
641
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
642 screen->damage_merge = VTERM_DAMAGE_CELL;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
643 screen->damaged.start_row = -1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
644 screen->pending_scrollrect.start_row = -1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
645
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
646 screen->rows = rows;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
647 screen->cols = cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
648
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
649 screen->callbacks = NULL;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
650 screen->cbdata = NULL;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
651
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
652 screen->buffers[0] = realloc_buffer(screen, NULL, rows, cols);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
653 screen->buffer = screen->buffers[0];
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
654 screen->sb_buffer = vterm_allocator_malloc(screen->vt, sizeof(VTermScreenCell) * cols);
15249
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
655 if (screen->buffer == NULL || screen->sb_buffer == NULL)
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
656 {
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
657 vterm_screen_free(screen);
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
658 return NULL;
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
659 }
14734
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
660
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
661 vterm_state_set_callbacks(screen->state, &state_cbs, screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
662
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
663 return screen;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
664 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
665
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
666 INTERNAL void vterm_screen_free(VTermScreen *screen)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
667 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
668 vterm_allocator_free(screen->vt, screen->buffers[0]);
15249
544490b69e1d patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents: 14734
diff changeset
669 vterm_allocator_free(screen->vt, screen->buffers[1]);
14734
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
670 vterm_allocator_free(screen->vt, screen->sb_buffer);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
671 vterm_allocator_free(screen->vt, screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
672 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
673
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
674 void vterm_screen_reset(VTermScreen *screen, int hard)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
675 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
676 screen->damaged.start_row = -1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
677 screen->pending_scrollrect.start_row = -1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
678 vterm_state_reset(screen->state, hard);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
679 vterm_screen_flush_damage(screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
680 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
681
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
682 static size_t _get_chars(const VTermScreen *screen, const int utf8, void *buffer, size_t len, const VTermRect rect)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
683 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
684 size_t outpos = 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
685 int padding = 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
686 int row, col;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
687
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
688 #define PUT(c) \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
689 if(utf8) { \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
690 size_t thislen = utf8_seqlen(c); \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
691 if(buffer && outpos + thislen <= len) \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
692 outpos += fill_utf8((c), (char *)buffer + outpos); \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
693 else \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
694 outpos += thislen; \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
695 } \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
696 else { \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
697 if(buffer && outpos + 1 <= len) \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
698 ((uint32_t*)buffer)[outpos++] = (c); \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
699 else \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
700 outpos++; \
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
701 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
702
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
703 for(row = rect.start_row; row < rect.end_row; row++) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
704 for(col = rect.start_col; col < rect.end_col; col++) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
705 ScreenCell *cell = getcell(screen, row, col);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
706 int i;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
707
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
708 if(cell->chars[0] == 0)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
709 // Erased cell, might need a space
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
710 padding++;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
711 else if(cell->chars[0] == (uint32_t)-1)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
712 // Gap behind a double-width char, do nothing
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
713 ;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
714 else {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
715 while(padding) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
716 PUT(UNICODE_SPACE);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
717 padding--;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
718 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
719 for(i = 0; i < VTERM_MAX_CHARS_PER_CELL && cell->chars[i]; i++) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
720 PUT(cell->chars[i]);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
721 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
722 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
723 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
724
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
725 if(row < rect.end_row - 1) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
726 PUT(UNICODE_LINEFEED);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
727 padding = 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
728 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
729 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
730
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
731 return outpos;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
732 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
733
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
734 size_t vterm_screen_get_chars(const VTermScreen *screen, uint32_t *chars, size_t len, const VTermRect rect)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
735 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
736 return _get_chars(screen, 0, chars, len, rect);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
737 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
738
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
739 size_t vterm_screen_get_text(const VTermScreen *screen, char *str, size_t len, const VTermRect rect)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
740 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
741 return _get_chars(screen, 1, str, len, rect);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
742 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
743
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
744 /* Copy internal to external representation of a screen cell */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
745 int vterm_screen_get_cell(const VTermScreen *screen, VTermPos pos, VTermScreenCell *cell)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
746 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
747 ScreenCell *intcell = getcell(screen, pos.row, pos.col);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
748 int i;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
749
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
750 if(!intcell)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
751 return 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
752
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
753 for(i = 0; ; i++) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
754 cell->chars[i] = intcell->chars[i];
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
755 if(!intcell->chars[i])
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
756 break;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
757 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
758
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
759 cell->attrs.bold = intcell->pen.bold;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
760 cell->attrs.underline = intcell->pen.underline;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
761 cell->attrs.italic = intcell->pen.italic;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
762 cell->attrs.blink = intcell->pen.blink;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
763 cell->attrs.reverse = intcell->pen.reverse ^ screen->global_reverse;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
764 cell->attrs.strike = intcell->pen.strike;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
765 cell->attrs.font = intcell->pen.font;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
766
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
767 cell->attrs.dwl = intcell->pen.dwl;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
768 cell->attrs.dhl = intcell->pen.dhl;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
769
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
770 cell->fg = intcell->pen.fg;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
771 cell->bg = intcell->pen.bg;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
772
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
773 if(pos.col < (screen->cols - 1) &&
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
774 getcell(screen, pos.row, pos.col + 1)->chars[0] == (uint32_t)-1)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
775 cell->width = 2;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
776 else
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
777 cell->width = 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
778
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
779 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
780 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
781
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
782 /* Copy external to internal representation of a screen cell */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
783 /* static because it's only used internally for sb_popline during resize */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
784 static int vterm_screen_set_cell(VTermScreen *screen, VTermPos pos, const VTermScreenCell *cell)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
785 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
786 ScreenCell *intcell = getcell(screen, pos.row, pos.col);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
787 int i;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
788
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
789 if(!intcell)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
790 return 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
791
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
792 for(i = 0; ; i++) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
793 intcell->chars[i] = cell->chars[i];
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
794 if(!cell->chars[i])
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
795 break;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
796 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
797
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
798 intcell->pen.bold = cell->attrs.bold;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
799 intcell->pen.underline = cell->attrs.underline;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
800 intcell->pen.italic = cell->attrs.italic;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
801 intcell->pen.blink = cell->attrs.blink;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
802 intcell->pen.reverse = cell->attrs.reverse ^ screen->global_reverse;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
803 intcell->pen.strike = cell->attrs.strike;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
804 intcell->pen.font = cell->attrs.font;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
805
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
806 intcell->pen.fg = cell->fg;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
807 intcell->pen.bg = cell->bg;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
808
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
809 if(cell->width == 2)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
810 getcell(screen, pos.row, pos.col + 1)->chars[0] = (uint32_t)-1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
811
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
812 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
813 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
814
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
815 int vterm_screen_is_eol(const VTermScreen *screen, VTermPos pos)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
816 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
817 /* This cell is EOL if this and every cell to the right is black */
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
818 for(; pos.col < screen->cols; pos.col++) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
819 ScreenCell *cell = getcell(screen, pos.row, pos.col);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
820 if(cell->chars[0] != 0)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
821 return 0;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
822 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
823
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
824 return 1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
825 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
826
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
827 VTermScreen *vterm_obtain_screen(VTerm *vt)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
828 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
829 if(!vt->screen)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
830 vt->screen = screen_new(vt);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
831 return vt->screen;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
832 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
833
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
834 void vterm_screen_enable_altscreen(VTermScreen *screen, int altscreen)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
835 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
836
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
837 if(!screen->buffers[1] && altscreen) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
838 int rows, cols;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
839 vterm_get_size(screen->vt, &rows, &cols);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
840
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
841 screen->buffers[1] = realloc_buffer(screen, NULL, rows, cols);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
842 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
843 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
844
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
845 void vterm_screen_set_callbacks(VTermScreen *screen, const VTermScreenCallbacks *callbacks, void *user)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
846 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
847 screen->callbacks = callbacks;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
848 screen->cbdata = user;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
849 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
850
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
851 void *vterm_screen_get_cbdata(VTermScreen *screen)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
852 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
853 return screen->cbdata;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
854 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
855
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
856 void vterm_screen_set_unrecognised_fallbacks(VTermScreen *screen, const VTermParserCallbacks *fallbacks, void *user)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
857 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
858 vterm_state_set_unrecognised_fallbacks(screen->state, fallbacks, user);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
859 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
860
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
861 void *vterm_screen_get_unrecognised_fbdata(VTermScreen *screen)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
862 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
863 return vterm_state_get_unrecognised_fbdata(screen->state);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
864 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
865
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
866 void vterm_screen_flush_damage(VTermScreen *screen)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
867 {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
868 if(screen->pending_scrollrect.start_row != -1) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
869 vterm_scroll_rect(screen->pending_scrollrect, screen->pending_scroll_downward, screen->pending_scroll_rightward,
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
870 moverect_user, erase_user, screen);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
871
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
872 screen->pending_scrollrect.start_row = -1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
873 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
874
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
875 if(screen->damaged.start_row != -1) {
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
876 if(screen->callbacks && screen->callbacks->damage)
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
877 (*screen->callbacks->damage)(screen->damaged, screen->cbdata);
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
878
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
879 screen->damaged.start_row = -1;
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
880 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
881 }
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
882
2c72fa16aa70 patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
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883 void vterm_screen_set_damage_merge(VTermScreen *screen, VTermDamageSize size)
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884 {
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885 vterm_screen_flush_damage(screen);
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886 screen->damage_merge = size;
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887 }
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888
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889 static int attrs_differ(VTermAttrMask attrs, ScreenCell *a, ScreenCell *b)
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890 {
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891 if((attrs & VTERM_ATTR_BOLD_MASK) && (a->pen.bold != b->pen.bold))
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892 return 1;
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893 if((attrs & VTERM_ATTR_UNDERLINE_MASK) && (a->pen.underline != b->pen.underline))
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894 return 1;
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895 if((attrs & VTERM_ATTR_ITALIC_MASK) && (a->pen.italic != b->pen.italic))
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896 return 1;
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897 if((attrs & VTERM_ATTR_BLINK_MASK) && (a->pen.blink != b->pen.blink))
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898 return 1;
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899 if((attrs & VTERM_ATTR_REVERSE_MASK) && (a->pen.reverse != b->pen.reverse))
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900 return 1;
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901 if((attrs & VTERM_ATTR_STRIKE_MASK) && (a->pen.strike != b->pen.strike))
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902 return 1;
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903 if((attrs & VTERM_ATTR_FONT_MASK) && (a->pen.font != b->pen.font))
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904 return 1;
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905 if((attrs & VTERM_ATTR_FOREGROUND_MASK) && !vterm_color_equal(a->pen.fg, b->pen.fg))
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906 return 1;
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907 if((attrs & VTERM_ATTR_BACKGROUND_MASK) && !vterm_color_equal(a->pen.bg, b->pen.bg))
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908 return 1;
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909
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910 return 0;
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911 }
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912
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913 int vterm_screen_get_attrs_extent(const VTermScreen *screen, VTermRect *extent, VTermPos pos, VTermAttrMask attrs)
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Christian Brabandt <cb@256bit.org>
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914 {
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915 int col;
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916
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917 ScreenCell *target = getcell(screen, pos.row, pos.col);
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918
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919 // TODO: bounds check
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920 extent->start_row = pos.row;
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Christian Brabandt <cb@256bit.org>
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921 extent->end_row = pos.row + 1;
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922
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Christian Brabandt <cb@256bit.org>
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923 if(extent->start_col < 0)
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Christian Brabandt <cb@256bit.org>
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924 extent->start_col = 0;
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925 if(extent->end_col < 0)
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926 extent->end_col = screen->cols;
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927
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928 for(col = pos.col - 1; col >= extent->start_col; col--)
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929 if(attrs_differ(attrs, target, getcell(screen, pos.row, col)))
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930 break;
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931 extent->start_col = col + 1;
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932
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933 for(col = pos.col + 1; col < extent->end_col; col++)
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934 if(attrs_differ(attrs, target, getcell(screen, pos.row, col)))
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Christian Brabandt <cb@256bit.org>
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935 break;
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936 extent->end_col = col - 1;
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937
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938 return 1;
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939 }