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annotate src/libvterm/src/vterm.c @ 20488:1d595fada804 v8.2.0798

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patch 8.2.0798: libvterm code lags behind the upstream version Commit: https://github.com/vim/vim/commit/be593bf135f6967335b14ba188bd5f8f32175c75 Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 19 21:20:04 2020 +0200 patch 8.2.0798: libvterm code lags behind the upstream version Problem: Libvterm code lags behind the upstream version. Solution: Include revisions 755 - 758.
author Bram Moolenaar <Bram@vim.org>
date Tue, 19 May 2020 21:30:07 +0200
parents 6a25d5086e1d
children 747a270eb1db
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #define DEFINE_INLINES
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2
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3 // vim: set sw=2 :
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4 #include "vterm_internal.h"
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5
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <stdarg.h>
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9 #include <string.h>
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10
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11 #include "utf8.h"
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12
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13 ///////////////////
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14 // API functions //
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15 ///////////////////
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16
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17 static void *default_malloc(size_t size, void *allocdata UNUSED)
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18 {
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19 void *ptr = malloc(size);
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20 if(ptr)
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21 memset(ptr, 0, size);
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22 return ptr;
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23 }
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24
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25 static void default_free(void *ptr, void *allocdata UNUSED)
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26 {
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27 free(ptr);
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28 }
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29
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30 static VTermAllocatorFunctions default_allocator = {
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31 &default_malloc, // malloc
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32 &default_free // free
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33 };
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34
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35 VTerm *vterm_new(int rows, int cols)
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36 {
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37 return vterm_new_with_allocator(rows, cols, &default_allocator, NULL);
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38 }
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39
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40 VTerm *vterm_new_with_allocator(int rows, int cols, VTermAllocatorFunctions *funcs, void *allocdata)
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41 {
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42 // Need to bootstrap using the allocator function directly
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43 VTerm *vt = (*funcs->malloc)(sizeof(VTerm), allocdata);
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44
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45 if (vt == NULL)
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46 return NULL;
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47 vt->allocator = funcs;
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48 vt->allocdata = allocdata;
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49
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50 vt->rows = rows;
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51 vt->cols = cols;
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52
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53 vt->parser.state = NORMAL;
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54
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55 vt->parser.callbacks = NULL;
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56 vt->parser.cbdata = NULL;
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57
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58 vt->outfunc = NULL;
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59 vt->outdata = NULL;
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60
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61 vt->outbuffer_len = 200;
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62 vt->outbuffer_cur = 0;
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63 vt->outbuffer = vterm_allocator_malloc(vt, vt->outbuffer_len);
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64
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65 vt->tmpbuffer_len = 64;
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66 vt->tmpbuffer = vterm_allocator_malloc(vt, vt->tmpbuffer_len);
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67
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68 if (vt->tmpbuffer == NULL
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69 || vt->outbuffer == NULL
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70 || vt->tmpbuffer == NULL)
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71 {
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72 vterm_allocator_free(vt, vt->outbuffer);
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73 vterm_allocator_free(vt, vt->tmpbuffer);
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74 vterm_allocator_free(vt, vt);
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75 return NULL;
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76 }
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77
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78 return vt;
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79 }
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80
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81 void vterm_free(VTerm *vt)
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82 {
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83 if(vt->screen)
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84 vterm_screen_free(vt->screen);
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85
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86 if(vt->state)
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87 vterm_state_free(vt->state);
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88
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89 vterm_allocator_free(vt, vt->outbuffer);
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90 vterm_allocator_free(vt, vt->tmpbuffer);
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91
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92 vterm_allocator_free(vt, vt);
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93 }
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94
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95 INTERNAL void *vterm_allocator_malloc(VTerm *vt, size_t size)
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96 {
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97 return (*vt->allocator->malloc)(size, vt->allocdata);
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98 }
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99
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100 /*
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101 * Free "ptr" unless it is NULL.
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102 */
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103 INTERNAL void vterm_allocator_free(VTerm *vt, void *ptr)
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104 {
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105 if (ptr)
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106 (*vt->allocator->free)(ptr, vt->allocdata);
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107 }
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108
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109 void vterm_get_size(const VTerm *vt, int *rowsp, int *colsp)
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110 {
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111 if(rowsp)
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112 *rowsp = vt->rows;
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113 if(colsp)
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114 *colsp = vt->cols;
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115 }
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116
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117 void vterm_set_size(VTerm *vt, int rows, int cols)
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118 {
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119 vt->rows = rows;
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120 vt->cols = cols;
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121
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122 if(vt->parser.callbacks && vt->parser.callbacks->resize)
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123 (*vt->parser.callbacks->resize)(rows, cols, vt->parser.cbdata);
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124 }
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125
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126 int vterm_get_utf8(const VTerm *vt)
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127 {
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128 return vt->mode.utf8;
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129 }
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130
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131 void vterm_set_utf8(VTerm *vt, int is_utf8)
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132 {
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133 vt->mode.utf8 = is_utf8;
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134 }
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135
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136 void vterm_output_set_callback(VTerm *vt, VTermOutputCallback *func, void *user)
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137 {
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138 vt->outfunc = func;
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diff changeset
139 vt->outdata = user;
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140 }
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diff changeset
141
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142 INTERNAL void vterm_push_output_bytes(VTerm *vt, const char *bytes, size_t len)
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143 {
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diff changeset
144 if(vt->outfunc) {
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145 (vt->outfunc)(bytes, len, vt->outdata);
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146 return;
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147 }
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148
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149 if(len > vt->outbuffer_len - vt->outbuffer_cur) {
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150 DEBUG_LOG("vterm_push_output_bytes(): buffer overflow; dropping output\n");
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151 return;
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152 }
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153
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154 memcpy(vt->outbuffer + vt->outbuffer_cur, bytes, len);
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diff changeset
155 vt->outbuffer_cur += len;
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156 }
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157
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158 INTERNAL void vterm_push_output_vsprintf(VTerm *vt, const char *format, va_list args)
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159 {
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160 size_t len;
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diff changeset
161 #ifndef VSNPRINTF
17777
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162 // When vsnprintf() is not available (C90) fall back to vsprintf().
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163 char buffer[1024]; // 1Kbyte is enough for everybody, right?
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diff changeset
164 #endif
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165
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166 #ifdef VSNPRINTF
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167 len = VSNPRINTF(vt->tmpbuffer, vt->tmpbuffer_len, format, args);
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168 vterm_push_output_bytes(vt, vt->tmpbuffer, len);
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169 #else
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170 len = vsprintf(buffer, format, args);
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171 vterm_push_output_bytes(vt, buffer, len);
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172 #endif
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173 }
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174
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175 INTERNAL void vterm_push_output_sprintf(VTerm *vt, const char *format, ...)
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176 {
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177 va_list args;
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178 va_start(args, format);
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179 vterm_push_output_vsprintf(vt, format, args);
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180 va_end(args);
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181 }
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182
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183 INTERNAL void vterm_push_output_sprintf_ctrl(VTerm *vt, unsigned char ctrl, const char *fmt, ...)
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184 {
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185 size_t cur;
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186 va_list args;
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187
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188 if(ctrl >= 0x80 && !vt->mode.ctrl8bit)
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189 cur = SNPRINTF(vt->tmpbuffer, vt->tmpbuffer_len,
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190 ESC_S "%c", ctrl - 0x40);
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191 else
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192 cur = SNPRINTF(vt->tmpbuffer, vt->tmpbuffer_len,
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193 "%c", ctrl);
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194 if(cur >= vt->tmpbuffer_len)
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195 return;
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196 vterm_push_output_bytes(vt, vt->tmpbuffer, cur);
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197
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198 va_start(args, fmt);
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199 vterm_push_output_vsprintf(vt, fmt, args);
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200 va_end(args);
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201 }
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diff changeset
202
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203 INTERNAL void vterm_push_output_sprintf_dcs(VTerm *vt, const char *fmt, ...)
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204 {
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205 size_t cur;
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diff changeset
206 va_list args;
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diff changeset
207
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208 cur = SNPRINTF(vt->tmpbuffer, vt->tmpbuffer_len,
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209 vt->mode.ctrl8bit ? "\x90" : ESC_S "P"); // DCS
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diff changeset
210
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diff changeset
211 if(cur >= vt->tmpbuffer_len)
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diff changeset
212 return;
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213 vterm_push_output_bytes(vt, vt->tmpbuffer, cur);
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214
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diff changeset
215 va_start(args, fmt);
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diff changeset
216 vterm_push_output_vsprintf(vt, fmt, args);
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diff changeset
217 va_end(args);
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diff changeset
218
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diff changeset
219 cur = SNPRINTF(vt->tmpbuffer, vt->tmpbuffer_len,
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diff changeset
220 vt->mode.ctrl8bit ? "\x9C" : ESC_S "\\"); // ST
20458
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diff changeset
221 if(cur >= vt->tmpbuffer_len)
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diff changeset
222 return;
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diff changeset
223 vterm_push_output_bytes(vt, vt->tmpbuffer, cur);
11621
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diff changeset
224 }
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diff changeset
225
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diff changeset
226 size_t vterm_output_get_buffer_size(const VTerm *vt)
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diff changeset
227 {
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diff changeset
228 return vt->outbuffer_len;
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diff changeset
229 }
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diff changeset
230
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parents:
diff changeset
231 size_t vterm_output_get_buffer_current(const VTerm *vt)
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diff changeset
232 {
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diff changeset
233 return vt->outbuffer_cur;
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diff changeset
234 }
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diff changeset
235
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diff changeset
236 size_t vterm_output_get_buffer_remaining(const VTerm *vt)
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diff changeset
237 {
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diff changeset
238 return vt->outbuffer_len - vt->outbuffer_cur;
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diff changeset
239 }
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diff changeset
240
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diff changeset
241 size_t vterm_output_read(VTerm *vt, char *buffer, size_t len)
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diff changeset
242 {
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diff changeset
243 if(len > vt->outbuffer_cur)
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diff changeset
244 len = vt->outbuffer_cur;
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diff changeset
245
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parents:
diff changeset
246 memcpy(buffer, vt->outbuffer, len);
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diff changeset
247
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diff changeset
248 if(len < vt->outbuffer_cur)
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diff changeset
249 memmove(vt->outbuffer, vt->outbuffer + len, vt->outbuffer_cur - len);
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diff changeset
250
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diff changeset
251 vt->outbuffer_cur -= len;
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diff changeset
252
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diff changeset
253 return len;
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diff changeset
254 }
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diff changeset
255
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diff changeset
256 VTermValueType vterm_get_attr_type(VTermAttr attr)
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diff changeset
257 {
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diff changeset
258 switch(attr) {
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diff changeset
259 case VTERM_ATTR_BOLD: return VTERM_VALUETYPE_BOOL;
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diff changeset
260 case VTERM_ATTR_UNDERLINE: return VTERM_VALUETYPE_INT;
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diff changeset
261 case VTERM_ATTR_ITALIC: return VTERM_VALUETYPE_BOOL;
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diff changeset
262 case VTERM_ATTR_BLINK: return VTERM_VALUETYPE_BOOL;
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parents:
diff changeset
263 case VTERM_ATTR_REVERSE: return VTERM_VALUETYPE_BOOL;
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parents:
diff changeset
264 case VTERM_ATTR_STRIKE: return VTERM_VALUETYPE_BOOL;
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parents:
diff changeset
265 case VTERM_ATTR_FONT: return VTERM_VALUETYPE_INT;
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parents:
diff changeset
266 case VTERM_ATTR_FOREGROUND: return VTERM_VALUETYPE_COLOR;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
267 case VTERM_ATTR_BACKGROUND: return VTERM_VALUETYPE_COLOR;
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 13318
diff changeset
268
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 13318
diff changeset
269 case VTERM_N_ATTRS: return 0;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
270 }
17777
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
271 return 0; // UNREACHABLE
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
272 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
273
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
274 VTermValueType vterm_get_prop_type(VTermProp prop)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
275 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
276 switch(prop) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
277 case VTERM_PROP_CURSORVISIBLE: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
278 case VTERM_PROP_CURSORBLINK: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
279 case VTERM_PROP_ALTSCREEN: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
280 case VTERM_PROP_TITLE: return VTERM_VALUETYPE_STRING;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
281 case VTERM_PROP_ICONNAME: return VTERM_VALUETYPE_STRING;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
282 case VTERM_PROP_REVERSE: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
283 case VTERM_PROP_CURSORSHAPE: return VTERM_VALUETYPE_INT;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
284 case VTERM_PROP_MOUSE: return VTERM_VALUETYPE_INT;
12076
ca4931a20f8c patch 8.0.0918: cannot get terminal window cursor shape or attributes
Christian Brabandt <cb@256bit.org>
parents: 11653
diff changeset
285 case VTERM_PROP_CURSORCOLOR: return VTERM_VALUETYPE_STRING;
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 13318
diff changeset
286
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 13318
diff changeset
287 case VTERM_N_PROPS: return 0;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
288 }
17777
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
289 return 0; // UNREACHABLE
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
290 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
291
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
292 void vterm_scroll_rect(VTermRect rect,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
293 int downward,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
294 int rightward,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
295 int (*moverect)(VTermRect src, VTermRect dest, void *user),
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
296 int (*eraserect)(VTermRect rect, int selective, void *user),
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
297 void *user)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
298 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
299 VTermRect src;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
300 VTermRect dest;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
301
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
302 if(abs(downward) >= rect.end_row - rect.start_row ||
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
303 abs(rightward) >= rect.end_col - rect.start_col) {
17777
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
304 // Scroll more than area; just erase the lot
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
305 (*eraserect)(rect, 0, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
306 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
307 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
308
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
309 if(rightward >= 0) {
17777
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
310 // rect: [XXX................]
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
311 // src: [----------------]
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
312 // dest: [----------------]
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
313 dest.start_col = rect.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
314 dest.end_col = rect.end_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
315 src.start_col = rect.start_col + rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
316 src.end_col = rect.end_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
317 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
318 else {
17777
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
319 // rect: [................XXX]
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
320 // src: [----------------]
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
321 // dest: [----------------]
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
322 int leftward = -rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
323 dest.start_col = rect.start_col + leftward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
324 dest.end_col = rect.end_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
325 src.start_col = rect.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
326 src.end_col = rect.end_col - leftward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
327 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
328
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
329 if(downward >= 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
330 dest.start_row = rect.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
331 dest.end_row = rect.end_row - downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
332 src.start_row = rect.start_row + downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
333 src.end_row = rect.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
334 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
335 else {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
336 int upward = -downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
337 dest.start_row = rect.start_row + upward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
338 dest.end_row = rect.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
339 src.start_row = rect.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
340 src.end_row = rect.end_row - upward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
341 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
342
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
343 if(moverect)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
344 (*moverect)(dest, src, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
345
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
346 if(downward > 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
347 rect.start_row = rect.end_row - downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
348 else if(downward < 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
349 rect.end_row = rect.start_row - downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
350
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
351 if(rightward > 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
352 rect.start_col = rect.end_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
353 else if(rightward < 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
354 rect.end_col = rect.start_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
355
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
356 (*eraserect)(rect, 0, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
357 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
358
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
359 void vterm_copy_cells(VTermRect dest,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
360 VTermRect src,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
361 void (*copycell)(VTermPos dest, VTermPos src, void *user),
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
362 void *user)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
363 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
364 int downward = src.start_row - dest.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
365 int rightward = src.start_col - dest.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
366
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
367 int init_row, test_row, init_col, test_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
368 int inc_row, inc_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
369
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
370 VTermPos pos;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
371
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
372 if(downward < 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
373 init_row = dest.end_row - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
374 test_row = dest.start_row - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
375 inc_row = -1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
376 }
17777
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
377 else {
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
378 // downward >= 0
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
379 init_row = dest.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
380 test_row = dest.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
381 inc_row = +1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
382 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
383
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
384 if(rightward < 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
385 init_col = dest.end_col - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
386 test_col = dest.start_col - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
387 inc_col = -1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
388 }
17777
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
389 else {
811a12a78164 patch 8.1.1885: comments in libvterm are inconsistent
Bram Moolenaar <Bram@vim.org>
parents: 15249
diff changeset
390 // rightward >= 0
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
391 init_col = dest.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
392 test_col = dest.end_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
393 inc_col = +1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
394 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
395
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
396 for(pos.row = init_row; pos.row != test_row; pos.row += inc_row)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
397 for(pos.col = init_col; pos.col != test_col; pos.col += inc_col) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
398 VTermPos srcpos;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
399 srcpos.row = pos.row + downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
400 srcpos.col = pos.col + rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
401 (*copycell)(pos, srcpos, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
402 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
403 }
20462
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
404
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
405 void vterm_check_version(int major, int minor)
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
406 {
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
407 if(major != VTERM_VERSION_MAJOR) {
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
408 fprintf(stderr, "libvterm major version mismatch; %d (wants) != %d (library)\n",
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
409 major, VTERM_VERSION_MAJOR);
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
410 exit(1);
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
411 }
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
412
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
413 if(minor > VTERM_VERSION_MINOR) {
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
414 fprintf(stderr, "libvterm minor version mismatch; %d (wants) > %d (library)\n",
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
415 minor, VTERM_VERSION_MINOR);
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
416 exit(1);
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
417 }
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
418
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
419 // Happy
9ad473b50471 patch 8.2.0785: libvterm code lags behind the upstream version
Bram Moolenaar <Bram@vim.org>
parents: 20460
diff changeset
420 }