Mercurial > vim
annotate src/libvterm/src/screen.c @ 20424:28abbdcde76c
Added tag v8.2.0766 for changeset 8c98c74176acd067ef7302f185dd8076a76fed0f
author | Bram Moolenaar <Bram@vim.org> |
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date | Sat, 16 May 2020 14:15:06 +0200 |
parents | 3be01cf0a632 |
children | 3bd0d7cfddc9 |
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 if (screen->buffer == NULL) |
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79 return NULL; |
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80 return screen->buffer + (screen->cols * row) + col; |
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81 } |
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82 |
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83 static ScreenCell *realloc_buffer(VTermScreen *screen, ScreenCell *buffer, int new_rows, int new_cols) |
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84 { |
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85 ScreenCell *new_buffer = vterm_allocator_malloc(screen->vt, sizeof(ScreenCell) * new_rows * new_cols); |
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86 int row, col; |
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87 |
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88 if (new_buffer == NULL) |
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89 return NULL; |
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90 for(row = 0; row < new_rows; row++) { |
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91 for(col = 0; col < new_cols; col++) { |
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92 ScreenCell *new_cell = new_buffer + row*new_cols + col; |
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93 |
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94 if(buffer && row < screen->rows && col < screen->cols) |
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95 *new_cell = buffer[row * screen->cols + col]; |
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96 else { |
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97 new_cell->chars[0] = 0; |
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98 new_cell->pen = screen->pen; |
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99 } |
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100 } |
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101 } |
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102 |
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103 vterm_allocator_free(screen->vt, buffer); |
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104 |
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105 return new_buffer; |
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106 } |
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107 |
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108 static void damagerect(VTermScreen *screen, VTermRect rect) |
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109 { |
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110 VTermRect emit; |
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111 |
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112 switch(screen->damage_merge) { |
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113 case VTERM_DAMAGE_CELL: |
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114 // Always emit damage event |
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115 emit = rect; |
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116 break; |
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117 |
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118 case VTERM_DAMAGE_ROW: |
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119 // Emit damage longer than one row. Try to merge with existing damage in |
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120 // the same row |
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121 if(rect.end_row > rect.start_row + 1) { |
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122 // Bigger than 1 line - flush existing, emit this |
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123 vterm_screen_flush_damage(screen); |
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124 emit = rect; |
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125 } |
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126 else if(screen->damaged.start_row == -1) { |
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127 // None stored yet |
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128 screen->damaged = rect; |
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129 return; |
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130 } |
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131 else if(rect.start_row == screen->damaged.start_row) { |
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132 // Merge with the stored line |
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133 if(screen->damaged.start_col > rect.start_col) |
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134 screen->damaged.start_col = rect.start_col; |
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135 if(screen->damaged.end_col < rect.end_col) |
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136 screen->damaged.end_col = rect.end_col; |
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137 return; |
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138 } |
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139 else { |
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140 // Emit the currently stored line, store a new one |
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141 emit = screen->damaged; |
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142 screen->damaged = rect; |
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143 } |
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144 break; |
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145 |
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146 case VTERM_DAMAGE_SCREEN: |
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147 case VTERM_DAMAGE_SCROLL: |
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148 // Never emit damage event |
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149 if(screen->damaged.start_row == -1) |
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150 screen->damaged = rect; |
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151 else { |
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152 rect_expand(&screen->damaged, &rect); |
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153 } |
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154 return; |
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155 |
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156 default: |
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157 DEBUG_LOG1("TODO: Maybe merge damage for level %d\n", screen->damage_merge); |
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158 return; |
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159 } |
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160 |
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161 if(screen->callbacks && screen->callbacks->damage) |
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162 (*screen->callbacks->damage)(emit, screen->cbdata); |
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163 } |
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164 |
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165 static void damagescreen(VTermScreen *screen) |
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166 { |
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167 VTermRect rect = {0,0,0,0}; |
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168 rect.end_row = screen->rows; |
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169 rect.end_col = screen->cols; |
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170 |
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171 damagerect(screen, rect); |
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172 } |
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173 |
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174 static int putglyph(VTermGlyphInfo *info, VTermPos pos, void *user) |
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175 { |
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176 int i; |
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177 int col; |
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178 VTermRect rect; |
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179 |
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180 VTermScreen *screen = user; |
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181 ScreenCell *cell = getcell(screen, pos.row, pos.col); |
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182 |
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183 if(!cell) |
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184 return 0; |
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185 |
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186 for(i = 0; i < VTERM_MAX_CHARS_PER_CELL && info->chars[i]; i++) { |
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187 cell->chars[i] = info->chars[i]; |
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188 cell->pen = screen->pen; |
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189 } |
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190 if(i < VTERM_MAX_CHARS_PER_CELL) |
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191 cell->chars[i] = 0; |
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192 |
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193 for(col = 1; col < info->width; col++) |
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194 getcell(screen, pos.row, pos.col + col)->chars[0] = (uint32_t)-1; |
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195 |
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196 rect.start_row = pos.row; |
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197 rect.end_row = pos.row+1; |
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198 rect.start_col = pos.col; |
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199 rect.end_col = pos.col+info->width; |
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200 |
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201 cell->pen.protected_cell = info->protected_cell; |
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202 cell->pen.dwl = info->dwl; |
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203 cell->pen.dhl = info->dhl; |
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204 |
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205 damagerect(screen, rect); |
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206 |
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207 return 1; |
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208 } |
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209 |
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210 static int moverect_internal(VTermRect dest, VTermRect src, void *user) |
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211 { |
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212 VTermScreen *screen = user; |
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213 |
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214 if(screen->callbacks && screen->callbacks->sb_pushline && |
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215 dest.start_row == 0 && dest.start_col == 0 && // starts top-left corner |
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216 dest.end_col == screen->cols && // full width |
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217 screen->buffer == screen->buffers[0]) { // not altscreen |
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218 VTermPos pos; |
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219 for(pos.row = 0; pos.row < src.start_row; pos.row++) { |
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220 for(pos.col = 0; pos.col < screen->cols; pos.col++) |
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221 (void)vterm_screen_get_cell(screen, pos, screen->sb_buffer + pos.col); |
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222 |
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223 (screen->callbacks->sb_pushline)(screen->cols, screen->sb_buffer, screen->cbdata); |
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224 } |
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225 } |
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226 |
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227 { |
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228 int cols = src.end_col - src.start_col; |
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229 int downward = src.start_row - dest.start_row; |
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230 int init_row, test_row, inc_row; |
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231 int row; |
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232 |
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233 if(downward < 0) { |
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234 init_row = dest.end_row - 1; |
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235 test_row = dest.start_row - 1; |
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236 inc_row = -1; |
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237 } |
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238 else { |
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239 init_row = dest.start_row; |
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240 test_row = dest.end_row; |
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241 inc_row = +1; |
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242 } |
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243 |
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244 for(row = init_row; row != test_row; row += inc_row) |
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245 memmove(getcell(screen, row, dest.start_col), |
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246 getcell(screen, row + downward, src.start_col), |
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247 cols * sizeof(ScreenCell)); |
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248 } |
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249 |
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250 return 1; |
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251 } |
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252 |
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253 static int moverect_user(VTermRect dest, VTermRect src, void *user) |
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254 { |
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255 VTermScreen *screen = user; |
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256 |
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257 if(screen->callbacks && screen->callbacks->moverect) { |
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258 if(screen->damage_merge != VTERM_DAMAGE_SCROLL) |
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259 // Avoid an infinite loop |
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260 vterm_screen_flush_damage(screen); |
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261 |
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262 if((*screen->callbacks->moverect)(dest, src, screen->cbdata)) |
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263 return 1; |
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264 } |
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265 |
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266 damagerect(screen, dest); |
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267 |
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268 return 1; |
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269 } |
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270 |
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271 static int erase_internal(VTermRect rect, int selective, void *user) |
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272 { |
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273 VTermScreen *screen = user; |
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274 int row, col; |
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275 |
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276 for(row = rect.start_row; row < screen->state->rows && row < rect.end_row; row++) { |
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277 const VTermLineInfo *info = vterm_state_get_lineinfo(screen->state, row); |
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278 |
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279 for(col = rect.start_col; col < rect.end_col; col++) { |
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280 ScreenCell *cell = getcell(screen, row, col); |
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281 |
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282 if(selective && cell->pen.protected_cell) |
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283 continue; |
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284 |
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285 cell->chars[0] = 0; |
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286 cell->pen = screen->pen; |
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287 cell->pen.dwl = info->doublewidth; |
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288 cell->pen.dhl = info->doubleheight; |
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289 } |
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290 } |
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291 |
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292 return 1; |
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293 } |
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294 |
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295 static int erase_user(VTermRect rect, int selective UNUSED, void *user) |
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296 { |
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297 VTermScreen *screen = user; |
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298 |
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299 damagerect(screen, rect); |
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300 |
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301 return 1; |
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302 } |
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303 |
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304 static int erase(VTermRect rect, int selective, void *user) |
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305 { |
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306 erase_internal(rect, selective, user); |
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307 return erase_user(rect, 0, user); |
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308 } |
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309 |
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310 static int scrollrect(VTermRect rect, int downward, int rightward, void *user) |
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311 { |
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312 VTermScreen *screen = user; |
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313 |
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314 if(screen->damage_merge != VTERM_DAMAGE_SCROLL) { |
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315 vterm_scroll_rect(rect, downward, rightward, |
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316 moverect_internal, erase_internal, screen); |
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317 |
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318 vterm_screen_flush_damage(screen); |
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319 |
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320 vterm_scroll_rect(rect, downward, rightward, |
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321 moverect_user, erase_user, screen); |
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322 |
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323 return 1; |
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324 } |
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325 |
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326 if(screen->damaged.start_row != -1 && |
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327 !rect_intersects(&rect, &screen->damaged)) { |
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328 vterm_screen_flush_damage(screen); |
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329 } |
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330 |
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331 if(screen->pending_scrollrect.start_row == -1) { |
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332 screen->pending_scrollrect = rect; |
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333 screen->pending_scroll_downward = downward; |
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334 screen->pending_scroll_rightward = rightward; |
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335 } |
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336 else if(rect_equal(&screen->pending_scrollrect, &rect) && |
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337 ((screen->pending_scroll_downward == 0 && downward == 0) || |
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338 (screen->pending_scroll_rightward == 0 && rightward == 0))) { |
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339 screen->pending_scroll_downward += downward; |
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340 screen->pending_scroll_rightward += rightward; |
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341 } |
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342 else { |
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343 vterm_screen_flush_damage(screen); |
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344 |
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345 screen->pending_scrollrect = rect; |
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346 screen->pending_scroll_downward = downward; |
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347 screen->pending_scroll_rightward = rightward; |
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348 } |
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349 |
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350 vterm_scroll_rect(rect, downward, rightward, |
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351 moverect_internal, erase_internal, screen); |
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352 |
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353 if(screen->damaged.start_row == -1) |
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354 return 1; |
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355 |
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356 if(rect_contains(&rect, &screen->damaged)) { |
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357 // Scroll region entirely contains the damage; just move it |
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358 vterm_rect_move(&screen->damaged, -downward, -rightward); |
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359 rect_clip(&screen->damaged, &rect); |
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360 } |
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361 // There are a number of possible cases here, but lets restrict this to only |
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362 // the common case where we might actually gain some performance by |
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363 // optimising it. Namely, a vertical scroll that neatly cuts the damage |
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364 // region in half. |
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365 else if(rect.start_col <= screen->damaged.start_col && |
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366 rect.end_col >= screen->damaged.end_col && |
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367 rightward == 0) { |
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368 if(screen->damaged.start_row >= rect.start_row && |
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369 screen->damaged.start_row < rect.end_row) { |
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370 screen->damaged.start_row -= downward; |
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371 if(screen->damaged.start_row < rect.start_row) |
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372 screen->damaged.start_row = rect.start_row; |
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373 if(screen->damaged.start_row > rect.end_row) |
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374 screen->damaged.start_row = rect.end_row; |
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375 } |
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376 if(screen->damaged.end_row >= rect.start_row && |
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377 screen->damaged.end_row < rect.end_row) { |
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378 screen->damaged.end_row -= downward; |
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379 if(screen->damaged.end_row < rect.start_row) |
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380 screen->damaged.end_row = rect.start_row; |
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381 if(screen->damaged.end_row > rect.end_row) |
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|
382 screen->damaged.end_row = rect.end_row; |
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|
383 } |
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parents:
diff
changeset
|
384 } |
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|
385 else { |
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|
386 DEBUG_LOG2("TODO: Just flush and redo damaged=" STRFrect " rect=" STRFrect "\n", |
2c72fa16aa70
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|
387 ARGSrect(screen->damaged), ARGSrect(rect)); |
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|
388 } |
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diff
changeset
|
389 |
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|
390 return 1; |
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parents:
diff
changeset
|
391 } |
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changeset
|
392 |
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|
393 static int movecursor(VTermPos pos, VTermPos oldpos, int visible, void *user) |
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changeset
|
394 { |
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|
395 VTermScreen *screen = user; |
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|
396 |
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|
397 if(screen->callbacks && screen->callbacks->movecursor) |
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398 return (*screen->callbacks->movecursor)(pos, oldpos, visible, screen->cbdata); |
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changeset
|
399 |
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|
400 return 0; |
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parents:
diff
changeset
|
401 } |
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parents:
diff
changeset
|
402 |
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changeset
|
403 static int setpenattr(VTermAttr attr, VTermValue *val, void *user) |
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changeset
|
404 { |
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|
405 VTermScreen *screen = user; |
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changeset
|
406 |
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changeset
|
407 switch(attr) { |
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|
408 case VTERM_ATTR_BOLD: |
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|
409 screen->pen.bold = val->boolean; |
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|
410 return 1; |
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|
411 case VTERM_ATTR_UNDERLINE: |
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|
412 screen->pen.underline = val->number; |
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413 return 1; |
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|
414 case VTERM_ATTR_ITALIC: |
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|
415 screen->pen.italic = val->boolean; |
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|
416 return 1; |
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|
417 case VTERM_ATTR_BLINK: |
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418 screen->pen.blink = val->boolean; |
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419 return 1; |
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|
420 case VTERM_ATTR_REVERSE: |
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|
421 screen->pen.reverse = val->boolean; |
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|
422 return 1; |
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423 case VTERM_ATTR_STRIKE: |
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424 screen->pen.strike = val->boolean; |
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425 return 1; |
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|
426 case VTERM_ATTR_FONT: |
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|
427 screen->pen.font = val->number; |
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|
428 return 1; |
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|
429 case VTERM_ATTR_FOREGROUND: |
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430 screen->pen.fg = val->color; |
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|
431 return 1; |
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|
432 case VTERM_ATTR_BACKGROUND: |
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|
433 screen->pen.bg = val->color; |
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|
434 return 1; |
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changeset
|
435 |
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|
436 case VTERM_N_ATTRS: |
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|
437 return 0; |
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|
438 } |
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changeset
|
439 |
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|
440 return 0; |
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|
441 } |
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|
442 |
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443 static int settermprop(VTermProp prop, VTermValue *val, void *user) |
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|
444 { |
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|
445 VTermScreen *screen = user; |
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changeset
|
446 |
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|
447 switch(prop) { |
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|
448 case VTERM_PROP_ALTSCREEN: |
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449 if(val->boolean && !screen->buffers[1]) |
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|
450 return 0; |
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diff
changeset
|
451 |
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changeset
|
452 screen->buffer = val->boolean ? screen->buffers[1] : screen->buffers[0]; |
17777
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
453 // only send a damage event on disable; because during enable there's an |
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
454 // erase that sends a damage anyway |
14734
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changeset
|
455 if(!val->boolean) |
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changeset
|
456 damagescreen(screen); |
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changeset
|
457 break; |
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|
458 case VTERM_PROP_REVERSE: |
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changeset
|
459 screen->global_reverse = val->boolean; |
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parents:
diff
changeset
|
460 damagescreen(screen); |
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parents:
diff
changeset
|
461 break; |
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changeset
|
462 default: |
17777
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patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
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16429
diff
changeset
|
463 ; // ignore |
14734
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changeset
|
464 } |
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diff
changeset
|
465 |
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changeset
|
466 if(screen->callbacks && screen->callbacks->settermprop) |
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|
467 return (*screen->callbacks->settermprop)(prop, val, screen->cbdata); |
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diff
changeset
|
468 |
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parents:
diff
changeset
|
469 return 1; |
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parents:
diff
changeset
|
470 } |
2c72fa16aa70
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parents:
diff
changeset
|
471 |
2c72fa16aa70
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changeset
|
472 static int bell(void *user) |
2c72fa16aa70
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parents:
diff
changeset
|
473 { |
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diff
changeset
|
474 VTermScreen *screen = user; |
2c72fa16aa70
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parents:
diff
changeset
|
475 |
2c72fa16aa70
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diff
changeset
|
476 if(screen->callbacks && screen->callbacks->bell) |
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changeset
|
477 return (*screen->callbacks->bell)(screen->cbdata); |
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parents:
diff
changeset
|
478 |
2c72fa16aa70
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parents:
diff
changeset
|
479 return 0; |
2c72fa16aa70
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parents:
diff
changeset
|
480 } |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
481 |
2c72fa16aa70
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parents:
diff
changeset
|
482 static int resize(int new_rows, int new_cols, VTermPos *delta, void *user) |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
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parents:
diff
changeset
|
483 { |
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parents:
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changeset
|
484 VTermScreen *screen = user; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
485 |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
486 int is_altscreen = (screen->buffers[1] && screen->buffer == screen->buffers[1]); |
2c72fa16aa70
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parents:
diff
changeset
|
487 |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
488 int old_rows = screen->rows; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
489 int old_cols = screen->cols; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
490 int first_blank_row; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
491 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
492 if(!is_altscreen && new_rows < old_rows) { |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
493 // Fewer rows - determine if we're going to scroll at all, and if so, push |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
494 // those lines to scrollback |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
495 VTermPos pos = { 0, 0 }; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
496 VTermPos cursor = screen->state->pos; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
497 // Find the first blank row after the cursor. |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
498 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
|
499 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
|
500 break; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
501 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
502 first_blank_row = pos.row + 1; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
503 if(first_blank_row > new_rows) { |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
504 VTermRect rect = {0,0,0,0}; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
505 rect.end_row = old_rows; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
506 rect.end_col = old_cols; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
507 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
|
508 vterm_screen_flush_damage(screen); |
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 delta->row -= first_blank_row - new_rows; |
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 } |
2c72fa16aa70
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parents:
diff
changeset
|
513 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
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changeset
|
514 screen->buffers[0] = realloc_buffer(screen, screen->buffers[0], new_rows, new_cols); |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
515 if(screen->buffers[1]) |
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
516 screen->buffers[1] = realloc_buffer(screen, screen->buffers[1], new_rows, new_cols); |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
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parents:
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changeset
|
517 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
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changeset
|
518 screen->buffer = is_altscreen ? screen->buffers[1] : screen->buffers[0]; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
519 |
2c72fa16aa70
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parents:
diff
changeset
|
520 screen->rows = new_rows; |
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parents:
diff
changeset
|
521 screen->cols = new_cols; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
522 |
15249
544490b69e1d
patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
parents:
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|
523 vterm_allocator_free(screen->vt, screen->sb_buffer); |
14734
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
524 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
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changeset
|
525 screen->sb_buffer = vterm_allocator_malloc(screen->vt, sizeof(VTermScreenCell) * new_cols); |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
526 |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
527 if(new_cols > old_cols) { |
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
528 VTermRect rect; |
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parents:
diff
changeset
|
529 rect.start_row = 0; |
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
530 rect.end_row = old_rows; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
531 rect.start_col = old_cols; |
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
532 rect.end_col = new_cols; |
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patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
533 damagerect(screen, rect); |
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
534 } |
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
535 |
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
536 if(new_rows > old_rows) { |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
537 if(!is_altscreen && screen->callbacks && screen->callbacks->sb_popline) { |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
538 int rows = new_rows - old_rows; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
539 while(rows) { |
2c72fa16aa70
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parents:
diff
changeset
|
540 VTermRect rect = {0,0,0,0}; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
541 VTermPos pos = { 0, 0 }; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
542 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:
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changeset
|
543 break; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
544 |
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
545 rect.end_row = screen->rows; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
546 rect.end_col = screen->cols; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
547 scrollrect(rect, -1, 0, user); |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
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changeset
|
548 |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
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changeset
|
549 for(pos.col = 0; pos.col < screen->cols; pos.col += screen->sb_buffer[pos.col].width) |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
550 vterm_screen_set_cell(screen, pos, screen->sb_buffer + pos.col); |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
551 |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
552 rect.end_row = 1; |
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patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
553 damagerect(screen, rect); |
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patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
554 |
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
555 vterm_screen_flush_damage(screen); |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
556 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
557 rows--; |
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patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
558 delta->row++; |
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Christian Brabandt <cb@256bit.org>
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changeset
|
559 } |
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Christian Brabandt <cb@256bit.org>
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changeset
|
560 } |
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
561 |
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
562 { |
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
563 VTermRect rect; |
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
564 rect.start_row = old_rows; |
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
565 rect.end_row = new_rows; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
566 rect.start_col = 0; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
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|
567 rect.end_col = new_cols; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
568 damagerect(screen, rect); |
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changeset
|
569 } |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
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changeset
|
570 } |
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patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
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changeset
|
571 |
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|
572 if(screen->callbacks && screen->callbacks->resize) |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
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|
573 return (*screen->callbacks->resize)(new_rows, new_cols, screen->cbdata); |
2c72fa16aa70
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changeset
|
574 |
2c72fa16aa70
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|
575 return 1; |
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changeset
|
576 } |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
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changeset
|
577 |
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Christian Brabandt <cb@256bit.org>
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|
578 static int setlineinfo(int row, const VTermLineInfo *newinfo, const VTermLineInfo *oldinfo, void *user) |
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|
579 { |
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parents:
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changeset
|
580 VTermScreen *screen = user; |
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parents:
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changeset
|
581 int col; |
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parents:
diff
changeset
|
582 VTermRect rect; |
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parents:
diff
changeset
|
583 |
2c72fa16aa70
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parents:
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changeset
|
584 if(newinfo->doublewidth != oldinfo->doublewidth || |
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
585 newinfo->doubleheight != oldinfo->doubleheight) { |
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
586 for(col = 0; col < screen->cols; col++) { |
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patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
587 ScreenCell *cell = getcell(screen, row, col); |
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patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
588 cell->pen.dwl = newinfo->doublewidth; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
589 cell->pen.dhl = newinfo->doubleheight; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
590 } |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
591 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
592 rect.start_row = row; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
593 rect.end_row = row + 1; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
594 rect.start_col = 0; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
595 rect.end_col = newinfo->doublewidth ? screen->cols / 2 : screen->cols; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
596 damagerect(screen, rect); |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
597 |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
598 if(newinfo->doublewidth) { |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
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changeset
|
599 rect.start_col = screen->cols / 2; |
2c72fa16aa70
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parents:
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changeset
|
600 rect.end_col = screen->cols; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
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parents:
diff
changeset
|
601 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
602 erase_internal(rect, 0, user); |
2c72fa16aa70
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diff
changeset
|
603 } |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
604 } |
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:
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changeset
|
606 return 1; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
607 } |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
608 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
609 static VTermStateCallbacks state_cbs = { |
17777
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
610 &putglyph, // putglyph |
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
611 &movecursor, // movecursor |
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
612 &scrollrect, // scrollrect |
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
613 NULL, // moverect |
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
614 &erase, // erase |
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
615 NULL, // initpen |
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
616 &setpenattr, // setpenattr |
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
617 &settermprop, // settermprop |
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
618 &bell, // bell |
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
619 &resize, // resize |
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
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16429
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changeset
|
620 &setlineinfo // setlineinfo |
14734
2c72fa16aa70
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changeset
|
621 }; |
2c72fa16aa70
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parents:
diff
changeset
|
622 |
15249
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patch 8.1.0633: crash when out of memory while opening a terminal window
Bram Moolenaar <Bram@vim.org>
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14734
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changeset
|
623 /* |
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 * 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
|
625 * 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
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changeset
|
626 */ |
14734
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
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changeset
|
627 static VTermScreen *screen_new(VTerm *vt) |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
628 { |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
629 VTermState *state = vterm_obtain_state(vt); |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
630 VTermScreen *screen; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
631 int rows, cols; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
632 |
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
|
633 if (state == NULL) |
14734
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
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changeset
|
634 return NULL; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
635 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
|
636 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
|
637 return NULL; |
14734
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
638 |
2c72fa16aa70
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639 vterm_get_size(vt, &rows, &cols); |
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640 |
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641 screen->vt = vt; |
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642 screen->state = state; |
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643 |
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644 screen->damage_merge = VTERM_DAMAGE_CELL; |
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645 screen->damaged.start_row = -1; |
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646 screen->pending_scrollrect.start_row = -1; |
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647 |
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648 screen->rows = rows; |
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649 screen->cols = cols; |
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650 |
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651 screen->callbacks = NULL; |
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652 screen->cbdata = NULL; |
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653 |
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654 screen->buffers[0] = realloc_buffer(screen, NULL, rows, cols); |
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655 screen->buffer = screen->buffers[0]; |
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656 screen->sb_buffer = vterm_allocator_malloc(screen->vt, sizeof(VTermScreenCell) * cols); |
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657 if (screen->buffer == NULL || screen->sb_buffer == NULL) |
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658 { |
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659 vterm_screen_free(screen); |
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660 return NULL; |
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661 } |
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662 |
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663 vterm_state_set_callbacks(screen->state, &state_cbs, screen); |
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664 |
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665 return screen; |
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666 } |
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667 |
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668 INTERNAL void vterm_screen_free(VTermScreen *screen) |
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669 { |
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670 vterm_allocator_free(screen->vt, screen->buffers[0]); |
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671 vterm_allocator_free(screen->vt, screen->buffers[1]); |
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672 vterm_allocator_free(screen->vt, screen->sb_buffer); |
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673 vterm_allocator_free(screen->vt, screen); |
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674 } |
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675 |
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676 void vterm_screen_reset(VTermScreen *screen, int hard) |
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677 { |
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678 screen->damaged.start_row = -1; |
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679 screen->pending_scrollrect.start_row = -1; |
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680 vterm_state_reset(screen->state, hard); |
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681 vterm_screen_flush_damage(screen); |
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682 } |
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683 |
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684 static size_t _get_chars(const VTermScreen *screen, const int utf8, void *buffer, size_t len, const VTermRect rect) |
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685 { |
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686 size_t outpos = 0; |
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687 int padding = 0; |
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688 int row, col; |
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689 |
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690 #define PUT(c) \ |
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691 if(utf8) { \ |
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692 size_t thislen = utf8_seqlen(c); \ |
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693 if(buffer && outpos + thislen <= len) \ |
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694 outpos += fill_utf8((c), (char *)buffer + outpos); \ |
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695 else \ |
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696 outpos += thislen; \ |
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697 } \ |
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698 else { \ |
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699 if(buffer && outpos + 1 <= len) \ |
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700 ((uint32_t*)buffer)[outpos++] = (c); \ |
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701 else \ |
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702 outpos++; \ |
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703 } |
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|
704 |
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|
705 for(row = rect.start_row; row < rect.end_row; row++) { |
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706 for(col = rect.start_col; col < rect.end_col; col++) { |
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|
707 ScreenCell *cell = getcell(screen, row, col); |
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|
708 int i; |
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|
709 |
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parents:
diff
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|
710 if(cell->chars[0] == 0) |
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Christian Brabandt <cb@256bit.org>
parents:
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|
711 // Erased cell, might need a space |
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Christian Brabandt <cb@256bit.org>
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|
712 padding++; |
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Christian Brabandt <cb@256bit.org>
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|
713 else if(cell->chars[0] == (uint32_t)-1) |
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|
714 // Gap behind a double-width char, do nothing |
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|
715 ; |
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|
716 else { |
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|
717 while(padding) { |
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|
718 PUT(UNICODE_SPACE); |
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|
719 padding--; |
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|
720 } |
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|
721 for(i = 0; i < VTERM_MAX_CHARS_PER_CELL && cell->chars[i]; i++) { |
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Christian Brabandt <cb@256bit.org>
parents:
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|
722 PUT(cell->chars[i]); |
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|
723 } |
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|
724 } |
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changeset
|
725 } |
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Christian Brabandt <cb@256bit.org>
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changeset
|
726 |
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|
727 if(row < rect.end_row - 1) { |
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patch 8.1.0379: build dependencies are incomplete
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parents:
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changeset
|
728 PUT(UNICODE_LINEFEED); |
2c72fa16aa70
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parents:
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|
729 padding = 0; |
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|
730 } |
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|
731 } |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
732 |
2c72fa16aa70
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changeset
|
733 return outpos; |
2c72fa16aa70
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|
734 } |
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parents:
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changeset
|
735 |
2c72fa16aa70
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parents:
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changeset
|
736 size_t vterm_screen_get_chars(const VTermScreen *screen, uint32_t *chars, size_t len, const VTermRect rect) |
2c72fa16aa70
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|
737 { |
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|
738 return _get_chars(screen, 0, chars, len, rect); |
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|
739 } |
2c72fa16aa70
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changeset
|
740 |
2c72fa16aa70
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|
741 size_t vterm_screen_get_text(const VTermScreen *screen, char *str, size_t len, const VTermRect rect) |
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|
742 { |
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|
743 return _get_chars(screen, 1, str, len, rect); |
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|
744 } |
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parents:
diff
changeset
|
745 |
17777
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
746 // Copy internal to external representation of a screen cell |
14734
2c72fa16aa70
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parents:
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|
747 int vterm_screen_get_cell(const VTermScreen *screen, VTermPos pos, VTermScreenCell *cell) |
2c72fa16aa70
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|
748 { |
2c72fa16aa70
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changeset
|
749 ScreenCell *intcell = getcell(screen, pos.row, pos.col); |
2c72fa16aa70
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diff
changeset
|
750 int i; |
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|
751 |
2c72fa16aa70
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parents:
diff
changeset
|
752 if(!intcell) |
2c72fa16aa70
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parents:
diff
changeset
|
753 return 0; |
2c72fa16aa70
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parents:
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changeset
|
754 |
2c72fa16aa70
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parents:
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changeset
|
755 for(i = 0; ; i++) { |
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parents:
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changeset
|
756 cell->chars[i] = intcell->chars[i]; |
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parents:
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changeset
|
757 if(!intcell->chars[i]) |
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changeset
|
758 break; |
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parents:
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|
759 } |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
760 |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
761 cell->attrs.bold = intcell->pen.bold; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
762 cell->attrs.underline = intcell->pen.underline; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
763 cell->attrs.italic = intcell->pen.italic; |
2c72fa16aa70
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Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
764 cell->attrs.blink = intcell->pen.blink; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
765 cell->attrs.reverse = intcell->pen.reverse ^ screen->global_reverse; |
2c72fa16aa70
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parents:
diff
changeset
|
766 cell->attrs.strike = intcell->pen.strike; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
767 cell->attrs.font = intcell->pen.font; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
768 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
769 cell->attrs.dwl = intcell->pen.dwl; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
770 cell->attrs.dhl = intcell->pen.dhl; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
771 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
772 cell->fg = intcell->pen.fg; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
773 cell->bg = intcell->pen.bg; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
774 |
18064
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
775 if(vterm_get_special_pty_type() == 2) { |
18802
3be01cf0a632
patch 8.1.2389: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18267
diff
changeset
|
776 // Get correct cell width from cell information contained in line buffer |
18064
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
777 if(pos.col < (screen->cols - 1) && |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
778 getcell(screen, pos.row, pos.col + 1)->chars[0] == (uint32_t)-1) { |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
779 if(getcell(screen, pos.row, pos.col)->chars[0] == 0x20) { |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
780 getcell(screen, pos.row, pos.col)->chars[0] = 0; |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
781 cell->width = 2; |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
782 } else if(getcell(screen, pos.row, pos.col)->chars[0] == 0) { |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
783 getcell(screen, pos.row, pos.col + 1)->chars[0] = 0; |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
784 cell->width = 1; |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
785 } else { |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
786 cell->width = 2; |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
787 } |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
788 } else |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
789 cell->width = 1; |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
790 } else { |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
791 if(pos.col < (screen->cols - 1) && |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
792 getcell(screen, pos.row, pos.col + 1)->chars[0] == (uint32_t)-1) |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
793 cell->width = 2; |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
794 else |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
795 cell->width = 1; |
8b4f9be5db73
patch 8.1.2027: MS-Windows: problem with ambiwidth characters
Bram Moolenaar <Bram@vim.org>
parents:
17777
diff
changeset
|
796 } |
14734
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 return 1; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
799 } |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
800 |
18802
3be01cf0a632
patch 8.1.2389: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18267
diff
changeset
|
801 /* |
3be01cf0a632
patch 8.1.2389: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18267
diff
changeset
|
802 * Copy external to internal representation of a screen cell |
3be01cf0a632
patch 8.1.2389: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18267
diff
changeset
|
803 * static because it's only used internally for sb_popline during resize |
3be01cf0a632
patch 8.1.2389: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18267
diff
changeset
|
804 */ |
14734
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
805 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
|
806 { |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
807 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
|
808 int i; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
809 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
810 if(!intcell) |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
811 return 0; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
812 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
813 for(i = 0; ; i++) { |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
814 intcell->chars[i] = cell->chars[i]; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
815 if(!cell->chars[i]) |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
816 break; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
817 } |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
818 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
819 intcell->pen.bold = cell->attrs.bold; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
820 intcell->pen.underline = cell->attrs.underline; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
821 intcell->pen.italic = cell->attrs.italic; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
822 intcell->pen.blink = cell->attrs.blink; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
823 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
|
824 intcell->pen.strike = cell->attrs.strike; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
825 intcell->pen.font = cell->attrs.font; |
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 intcell->pen.fg = cell->fg; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
828 intcell->pen.bg = cell->bg; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
829 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
830 if(cell->width == 2) |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
831 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
|
832 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
833 return 1; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
834 } |
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 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
|
837 { |
17777
811a12a78164
patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents:
16429
diff
changeset
|
838 // This cell is EOL if this and every cell to the right is black |
14734
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
839 for(; pos.col < screen->cols; pos.col++) { |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
840 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
|
841 if(cell->chars[0] != 0) |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
842 return 0; |
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 return 1; |
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 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
848 VTermScreen *vterm_obtain_screen(VTerm *vt) |
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 if(!vt->screen) |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
851 vt->screen = screen_new(vt); |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
852 return vt->screen; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
853 } |
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 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
|
856 { |
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 if(!screen->buffers[1] && altscreen) { |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
859 int rows, cols; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
860 vterm_get_size(screen->vt, &rows, &cols); |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
861 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
862 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
|
863 } |
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_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
|
867 { |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
868 screen->callbacks = callbacks; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
869 screen->cbdata = user; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
870 } |
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 void *vterm_screen_get_cbdata(VTermScreen *screen) |
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 return screen->cbdata; |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
875 } |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
876 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
877 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
|
878 { |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
879 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
|
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 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
|
883 { |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
884 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
|
885 } |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
886 |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
887 void vterm_screen_flush_damage(VTermScreen *screen) |
2c72fa16aa70
patch 8.1.0379: build dependencies are incomplete
Christian Brabandt <cb@256bit.org>
parents:
diff
changeset
|
888 { |
2c72fa16aa70
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889 if(screen->pending_scrollrect.start_row != -1) { |
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890 vterm_scroll_rect(screen->pending_scrollrect, screen->pending_scroll_downward, screen->pending_scroll_rightward, |
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891 moverect_user, erase_user, screen); |
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892 |
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893 screen->pending_scrollrect.start_row = -1; |
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|
894 } |
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|
895 |
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896 if(screen->damaged.start_row != -1) { |
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897 if(screen->callbacks && screen->callbacks->damage) |
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|
898 (*screen->callbacks->damage)(screen->damaged, screen->cbdata); |
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|
899 |
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900 screen->damaged.start_row = -1; |
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|
901 } |
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|
902 } |
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|
903 |
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|
904 void vterm_screen_set_damage_merge(VTermScreen *screen, VTermDamageSize size) |
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|
905 { |
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|
906 vterm_screen_flush_damage(screen); |
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|
907 screen->damage_merge = size; |
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|
908 } |
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|
909 |
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|
910 static int attrs_differ(VTermAttrMask attrs, ScreenCell *a, ScreenCell *b) |
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|
911 { |
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|
912 if((attrs & VTERM_ATTR_BOLD_MASK) && (a->pen.bold != b->pen.bold)) |
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|
913 return 1; |
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|
914 if((attrs & VTERM_ATTR_UNDERLINE_MASK) && (a->pen.underline != b->pen.underline)) |
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|
915 return 1; |
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|
916 if((attrs & VTERM_ATTR_ITALIC_MASK) && (a->pen.italic != b->pen.italic)) |
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|
917 return 1; |
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|
918 if((attrs & VTERM_ATTR_BLINK_MASK) && (a->pen.blink != b->pen.blink)) |
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|
919 return 1; |
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920 if((attrs & VTERM_ATTR_REVERSE_MASK) && (a->pen.reverse != b->pen.reverse)) |
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|
921 return 1; |
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922 if((attrs & VTERM_ATTR_STRIKE_MASK) && (a->pen.strike != b->pen.strike)) |
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923 return 1; |
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924 if((attrs & VTERM_ATTR_FONT_MASK) && (a->pen.font != b->pen.font)) |
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925 return 1; |
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926 if((attrs & VTERM_ATTR_FOREGROUND_MASK) && !vterm_color_equal(a->pen.fg, b->pen.fg)) |
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927 return 1; |
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928 if((attrs & VTERM_ATTR_BACKGROUND_MASK) && !vterm_color_equal(a->pen.bg, b->pen.bg)) |
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929 return 1; |
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|
930 |
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931 return 0; |
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932 } |
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933 |
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934 int vterm_screen_get_attrs_extent(const VTermScreen *screen, VTermRect *extent, VTermPos pos, VTermAttrMask attrs) |
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935 { |
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936 int col; |
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937 |
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938 ScreenCell *target = getcell(screen, pos.row, pos.col); |
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939 |
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940 // TODO: bounds check |
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941 extent->start_row = pos.row; |
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942 extent->end_row = pos.row + 1; |
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943 |
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944 if(extent->start_col < 0) |
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945 extent->start_col = 0; |
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946 if(extent->end_col < 0) |
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947 extent->end_col = screen->cols; |
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948 |
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949 for(col = pos.col - 1; col >= extent->start_col; col--) |
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950 if(attrs_differ(attrs, target, getcell(screen, pos.row, col))) |
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951 break; |
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952 extent->start_col = col + 1; |
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|
953 |
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954 for(col = pos.col + 1; col < extent->end_col; col++) |
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955 if(attrs_differ(attrs, target, getcell(screen, pos.row, col))) |
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|
956 break; |
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|
957 extent->end_col = col - 1; |
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|
958 |
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|
959 return 1; |
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960 } |