annotate src/libvterm/src/vterm.c @ 12507:47da4dcc897e v8.0.1132

patch 8.0.1132: #if condition is not portable commit https://github.com/vim/vim/commit/fc7649f8b82efbb4c7066567dd69192d97a2749f Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 21 22:46:47 2017 +0200 patch 8.0.1132: #if condition is not portable Problem: #if condition is not portable. Solution: Add defined(). (Zuloloxi, closes https://github.com/vim/vim/issues/2136)
author Christian Brabandt <cb@256bit.org>
date Thu, 21 Sep 2017 23:00:03 +0200
parents ca4931a20f8c
children 5e47c4bdf3a6
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 #include "vterm_internal.h"
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4
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5 #include <stdio.h>
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6 #include <stdlib.h>
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7 #include <stdarg.h>
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8 #include <string.h>
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9
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10 #include "utf8.h"
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11
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12 /*****************
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13 * API functions *
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14 *****************/
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15
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16 static void *default_malloc(size_t size, void *allocdata UNUSED)
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17 {
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18 void *ptr = malloc(size);
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19 if(ptr)
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20 memset(ptr, 0, size);
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21 return ptr;
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22 }
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23
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24 static void default_free(void *ptr, void *allocdata UNUSED)
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25 {
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26 free(ptr);
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27 }
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28
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29 static VTermAllocatorFunctions default_allocator = {
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30 &default_malloc, /* malloc */
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31 &default_free /* free */
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32 };
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33
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34 VTerm *vterm_new(int rows, int cols)
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35 {
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36 return vterm_new_with_allocator(rows, cols, &default_allocator, NULL);
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37 }
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38
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39 VTerm *vterm_new_with_allocator(int rows, int cols, VTermAllocatorFunctions *funcs, void *allocdata)
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40 {
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41 /* Need to bootstrap using the allocator function directly */
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42 VTerm *vt = (*funcs->malloc)(sizeof(VTerm), allocdata);
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43
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44 vt->allocator = funcs;
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45 vt->allocdata = allocdata;
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46
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47 vt->rows = rows;
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48 vt->cols = cols;
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49
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50 vt->parser_state = NORMAL;
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51
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52 vt->parser_callbacks = NULL;
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53 vt->cbdata = NULL;
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54
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55 vt->strbuffer_len = 64;
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56 vt->strbuffer_cur = 0;
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57 vt->strbuffer = vterm_allocator_malloc(vt, vt->strbuffer_len);
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58
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59 vt->outbuffer_len = 64;
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60 vt->outbuffer_cur = 0;
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61 vt->outbuffer = vterm_allocator_malloc(vt, vt->outbuffer_len);
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62
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63 return vt;
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64 }
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65
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66 void vterm_free(VTerm *vt)
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67 {
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68 if(vt->screen)
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69 vterm_screen_free(vt->screen);
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70
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71 if(vt->state)
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72 vterm_state_free(vt->state);
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73
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74 vterm_allocator_free(vt, vt->strbuffer);
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75 vterm_allocator_free(vt, vt->outbuffer);
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76
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77 vterm_allocator_free(vt, vt);
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78 }
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79
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80 INTERNAL void *vterm_allocator_malloc(VTerm *vt, size_t size)
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81 {
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82 return (*vt->allocator->malloc)(size, vt->allocdata);
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83 }
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84
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85 INTERNAL void vterm_allocator_free(VTerm *vt, void *ptr)
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86 {
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87 (*vt->allocator->free)(ptr, vt->allocdata);
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88 }
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89
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90 void vterm_get_size(const VTerm *vt, int *rowsp, int *colsp)
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91 {
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92 if(rowsp)
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93 *rowsp = vt->rows;
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94 if(colsp)
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95 *colsp = vt->cols;
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96 }
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97
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98 void vterm_set_size(VTerm *vt, int rows, int cols)
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99 {
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100 vt->rows = rows;
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101 vt->cols = cols;
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102
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103 if(vt->parser_callbacks && vt->parser_callbacks->resize)
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104 (*vt->parser_callbacks->resize)(rows, cols, vt->cbdata);
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105 }
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106
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107 int vterm_get_utf8(const VTerm *vt)
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108 {
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109 return vt->mode.utf8;
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110 }
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111
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112 void vterm_set_utf8(VTerm *vt, int is_utf8)
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113 {
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114 vt->mode.utf8 = is_utf8;
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115 }
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116
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117 INTERNAL void vterm_push_output_bytes(VTerm *vt, const char *bytes, size_t len)
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118 {
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119 if(len > vt->outbuffer_len - vt->outbuffer_cur) {
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120 DEBUG_LOG("vterm_push_output(): buffer overflow; truncating output\n");
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121 len = vt->outbuffer_len - vt->outbuffer_cur;
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122 }
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123
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124 memcpy(vt->outbuffer + vt->outbuffer_cur, bytes, len);
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125 vt->outbuffer_cur += len;
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126 }
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127
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128 static int outbuffer_is_full(VTerm *vt)
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129 {
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130 return vt->outbuffer_cur >= vt->outbuffer_len - 1;
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131 }
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132
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133 #if (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 500) \
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134 || defined(_ISOC99_SOURCE) || defined(_BSD_SOURCE)
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135 # undef VSNPRINTF
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136 # define VSNPRINTF vsnprintf
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137 #else
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138 # ifdef VSNPRINTF
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139 /* Use a provided vsnprintf() function. */
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140 int VSNPRINTF(char *str, size_t str_m, const char *fmt, va_list ap);
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141 # endif
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142 #endif
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143
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144
11621
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145 INTERNAL void vterm_push_output_vsprintf(VTerm *vt, const char *format, va_list args)
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diff changeset
146 {
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diff changeset
147 int written;
11653
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diff changeset
148 #ifndef VSNPRINTF
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149 /* When vsnprintf() is not available (C90) fall back to vsprintf(). */
11621
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150 char buffer[1024]; /* 1Kbyte is enough for everybody, right? */
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151 #endif
11621
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152
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diff changeset
153 if(outbuffer_is_full(vt)) {
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diff changeset
154 DEBUG_LOG("vterm_push_output(): buffer overflow; truncating output\n");
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diff changeset
155 return;
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parents:
diff changeset
156 }
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diff changeset
157
11653
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diff changeset
158 #ifdef VSNPRINTF
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diff changeset
159 written = VSNPRINTF(vt->outbuffer + vt->outbuffer_cur,
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diff changeset
160 vt->outbuffer_len - vt->outbuffer_cur,
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diff changeset
161 format, args);
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diff changeset
162
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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diff changeset
163 if(written == (int)(vt->outbuffer_len - vt->outbuffer_cur)) {
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164 /* output was truncated */
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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165 vt->outbuffer_cur = vt->outbuffer_len - 1;
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166 }
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
Christian Brabandt <cb@256bit.org>
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diff changeset
167 else
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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168 vt->outbuffer_cur += written;
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169 #else
11621
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170 written = vsprintf(buffer, format, args);
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171
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172 if(written >= (int)(vt->outbuffer_len - vt->outbuffer_cur)) {
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173 /* output was truncated */
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174 written = vt->outbuffer_len - vt->outbuffer_cur;
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175 }
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diff changeset
176 if (written > 0)
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diff changeset
177 {
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diff changeset
178 strncpy(vt->outbuffer + vt->outbuffer_cur, buffer, written + 1);
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179 vt->outbuffer_cur += written;
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180 }
11653
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181 #endif
11621
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182 }
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diff changeset
183
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diff changeset
184 INTERNAL void vterm_push_output_sprintf(VTerm *vt, const char *format, ...)
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185 {
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parents:
diff changeset
186 va_list args;
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diff changeset
187 va_start(args, format);
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188 vterm_push_output_vsprintf(vt, format, args);
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parents:
diff changeset
189 va_end(args);
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diff changeset
190 }
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diff changeset
191
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diff changeset
192 INTERNAL void vterm_push_output_sprintf_ctrl(VTerm *vt, unsigned char ctrl, const char *fmt, ...)
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parents:
diff changeset
193 {
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parents:
diff changeset
194 size_t orig_cur = vt->outbuffer_cur;
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parents:
diff changeset
195 va_list args;
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parents:
diff changeset
196
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parents:
diff changeset
197 if(ctrl >= 0x80 && !vt->mode.ctrl8bit)
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parents:
diff changeset
198 vterm_push_output_sprintf(vt, ESC_S "%c", ctrl - 0x40);
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diff changeset
199 else
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parents:
diff changeset
200 vterm_push_output_sprintf(vt, "%c", ctrl);
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diff changeset
201
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parents:
diff changeset
202 va_start(args, fmt);
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parents:
diff changeset
203 vterm_push_output_vsprintf(vt, fmt, args);
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parents:
diff changeset
204 va_end(args);
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diff changeset
205
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parents:
diff changeset
206 if(outbuffer_is_full(vt))
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diff changeset
207 vt->outbuffer_cur = orig_cur;
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diff changeset
208 }
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diff changeset
209
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diff changeset
210 INTERNAL void vterm_push_output_sprintf_dcs(VTerm *vt, const char *fmt, ...)
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diff changeset
211 {
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parents:
diff changeset
212 size_t orig_cur = vt->outbuffer_cur;
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diff changeset
213 va_list args;
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diff changeset
214
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parents:
diff changeset
215 if(!vt->mode.ctrl8bit)
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parents:
diff changeset
216 vterm_push_output_sprintf(vt, ESC_S "%c", C1_DCS - 0x40);
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parents:
diff changeset
217 else
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diff changeset
218 vterm_push_output_sprintf(vt, "%c", C1_DCS);
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diff changeset
219
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diff changeset
220 va_start(args, fmt);
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parents:
diff changeset
221 vterm_push_output_vsprintf(vt, fmt, args);
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parents:
diff changeset
222 va_end(args);
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diff changeset
223
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diff changeset
224 vterm_push_output_sprintf_ctrl(vt, C1_ST, "");
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diff changeset
225
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diff changeset
226 if(outbuffer_is_full(vt))
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diff changeset
227 vt->outbuffer_cur = orig_cur;
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diff changeset
228 }
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diff changeset
229
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diff changeset
230 size_t vterm_output_get_buffer_size(const VTerm *vt)
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diff changeset
231 {
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parents:
diff changeset
232 return vt->outbuffer_len;
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parents:
diff changeset
233 }
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parents:
diff changeset
234
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parents:
diff changeset
235 size_t vterm_output_get_buffer_current(const VTerm *vt)
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parents:
diff changeset
236 {
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diff changeset
237 return vt->outbuffer_cur;
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
238 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
239
b8299e742f41 patch 8.0.0693: no terminal emulator support
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parents:
diff changeset
240 size_t vterm_output_get_buffer_remaining(const VTerm *vt)
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parents:
diff changeset
241 {
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parents:
diff changeset
242 return vt->outbuffer_len - vt->outbuffer_cur;
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
243 }
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
244
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
245 size_t vterm_output_read(VTerm *vt, char *buffer, size_t len)
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
246 {
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
247 if(len > vt->outbuffer_cur)
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
248 len = vt->outbuffer_cur;
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parents:
diff changeset
249
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
250 memcpy(buffer, vt->outbuffer, len);
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
251
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
252 if(len < vt->outbuffer_cur)
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
253 memmove(vt->outbuffer, vt->outbuffer + len, vt->outbuffer_cur - len);
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parents:
diff changeset
254
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
255 vt->outbuffer_cur -= len;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
256
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
257 return len;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
258 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
259
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
260 void vterm_parser_set_callbacks(VTerm *vt, const VTermParserCallbacks *callbacks, void *user)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
261 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
262 vt->parser_callbacks = callbacks;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
263 vt->cbdata = user;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
264 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
265
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
266 void *vterm_parser_get_cbdata(VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
267 {
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
268 return vt->cbdata;
b8299e742f41 patch 8.0.0693: no terminal emulator support
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parents:
diff changeset
269 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
270
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
271 VTermValueType vterm_get_attr_type(VTermAttr attr)
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
272 {
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
273 switch(attr) {
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
274 case VTERM_ATTR_BOLD: return VTERM_VALUETYPE_BOOL;
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parents:
diff changeset
275 case VTERM_ATTR_UNDERLINE: return VTERM_VALUETYPE_INT;
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parents:
diff changeset
276 case VTERM_ATTR_ITALIC: return VTERM_VALUETYPE_BOOL;
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parents:
diff changeset
277 case VTERM_ATTR_BLINK: return VTERM_VALUETYPE_BOOL;
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parents:
diff changeset
278 case VTERM_ATTR_REVERSE: return VTERM_VALUETYPE_BOOL;
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parents:
diff changeset
279 case VTERM_ATTR_STRIKE: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
280 case VTERM_ATTR_FONT: return VTERM_VALUETYPE_INT;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
281 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
282 case VTERM_ATTR_BACKGROUND: return VTERM_VALUETYPE_COLOR;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
283 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
284 return 0; /* UNREACHABLE */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
285 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
286
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
287 VTermValueType vterm_get_prop_type(VTermProp prop)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
288 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
289 switch(prop) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
290 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
291 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
292 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
293 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
294 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
295 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
296 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
297 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
298 case VTERM_PROP_CURSORCOLOR: return VTERM_VALUETYPE_STRING;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
299 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
300 return 0; /* UNREACHABLE */
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
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
303 void vterm_scroll_rect(VTermRect rect,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
304 int downward,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
305 int rightward,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
306 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
307 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
308 void *user)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
309 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
310 VTermRect src;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
311 VTermRect dest;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
312
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
313 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
314 abs(rightward) >= rect.end_col - rect.start_col) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
315 /* Scroll more than area; just erase the lot */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
316 (*eraserect)(rect, 0, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
317 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
318 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
319
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
320 if(rightward >= 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
321 /* rect: [XXX................]
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
322 * src: [----------------]
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
323 * dest: [----------------]
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
324 */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
325 dest.start_col = rect.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
326 dest.end_col = rect.end_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
327 src.start_col = rect.start_col + rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
328 src.end_col = rect.end_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
329 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
330 else {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
331 /* rect: [................XXX]
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
332 * src: [----------------]
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
333 * dest: [----------------]
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 int leftward = -rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
336 dest.start_col = rect.start_col + leftward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
337 dest.end_col = rect.end_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
338 src.start_col = rect.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
339 src.end_col = rect.end_col - leftward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
340 }
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 if(downward >= 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
343 dest.start_row = rect.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
344 dest.end_row = rect.end_row - downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
345 src.start_row = rect.start_row + downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
346 src.end_row = rect.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
347 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
348 else {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
349 int upward = -downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
350 dest.start_row = rect.start_row + upward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
351 dest.end_row = rect.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
352 src.start_row = rect.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
353 src.end_row = rect.end_row - upward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
354 }
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 if(moverect)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
357 (*moverect)(dest, src, user);
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 if(downward > 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
360 rect.start_row = rect.end_row - downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
361 else if(downward < 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
362 rect.end_row = rect.start_row - downward;
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 if(rightward > 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
365 rect.start_col = rect.end_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
366 else if(rightward < 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
367 rect.end_col = rect.start_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
368
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
369 (*eraserect)(rect, 0, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
370 }
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 void vterm_copy_cells(VTermRect dest,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
373 VTermRect src,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
374 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
375 void *user)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
376 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
377 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
378 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
379
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
380 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
381 int inc_row, inc_col;
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 VTermPos pos;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
384
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
385 if(downward < 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
386 init_row = dest.end_row - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
387 test_row = dest.start_row - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
388 inc_row = -1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
389 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
390 else /* downward >= 0 */ {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
391 init_row = dest.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
392 test_row = dest.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
393 inc_row = +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 if(rightward < 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
397 init_col = dest.end_col - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
398 test_col = dest.start_col - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
399 inc_col = -1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
400 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
401 else /* rightward >= 0 */ {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
402 init_col = dest.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
403 test_col = dest.end_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
404 inc_col = +1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
405 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
406
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
407 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
408 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
409 VTermPos srcpos;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
410 srcpos.row = pos.row + downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
411 srcpos.col = pos.col + rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
412 (*copycell)(pos, srcpos, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
413 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
414 }