Mercurial > vim
annotate src/libvterm/include/vterm.h @ 13448:a62b0bbc8834 v8.0.1598
patch 8.0.1598: cannot select text in a terminal with the mouse
commit https://github.com/vim/vim/commit/c48369c3fc507f398abbc933a60f653c6abe6701
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Mar 11 19:30:45 2018 +0100
patch 8.0.1598: cannot select text in a terminal with the mouse
Problem: Cannot select text in a terminal with the mouse.
Solution: When a job in a terminal is not consuming mouse events, use them
for modeless selection. Also stop Insert mode when clicking in a
terminal window.
author | Christian Brabandt <cb@256bit.org> |
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date | Sun, 11 Mar 2018 19:45:05 +0100 |
parents | c5bccd50100e |
children | 9f857e6310b6 |
rev | line source |
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1 /* |
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2 * NOTE: This is a MODIFIED version of libvterm, see the README file. |
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3 */ |
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4 #ifndef __VTERM_H__ |
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5 #define __VTERM_H__ |
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6 |
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7 #ifdef __cplusplus |
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8 extern "C" { |
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9 #endif |
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10 |
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11 #include <stdlib.h> |
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12 |
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13 #include "vterm_keycodes.h" |
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14 |
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15 #define TRUE 1 |
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16 #define FALSE 0 |
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17 |
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18 /* from stdint.h */ |
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19 typedef unsigned char uint8_t; |
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20 typedef unsigned int uint32_t; |
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21 |
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22 typedef struct VTerm VTerm; |
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23 typedef struct VTermState VTermState; |
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24 typedef struct VTermScreen VTermScreen; |
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25 |
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26 /* Specifies a screen point. */ |
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27 typedef struct { |
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28 int row; |
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29 int col; |
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30 } VTermPos; |
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31 |
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32 /* |
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33 * Some small utility functions; we can just keep these static here. |
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34 */ |
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35 |
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36 /* |
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37 * Order points by on-screen flow order: |
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38 * Return < 0 if "a" is before "b" |
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39 * Return 0 if "a" and "b" are equal |
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40 * Return > 0 if "a" is after "b". |
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41 */ |
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42 int vterm_pos_cmp(VTermPos a, VTermPos b); |
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43 |
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44 #if defined(DEFINE_INLINES) || USE_INLINE |
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45 INLINE int vterm_pos_cmp(VTermPos a, VTermPos b) |
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46 { |
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47 return (a.row == b.row) ? a.col - b.col : a.row - b.row; |
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48 } |
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49 #endif |
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50 |
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51 /* Specifies a rectangular screen area. */ |
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52 typedef struct { |
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53 int start_row; |
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54 int end_row; |
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55 int start_col; |
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56 int end_col; |
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57 } VTermRect; |
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58 |
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59 /* Return true if the rect "r" contains the point "p". */ |
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60 int vterm_rect_contains(VTermRect r, VTermPos p); |
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61 |
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62 #if defined(DEFINE_INLINES) || USE_INLINE |
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63 INLINE int vterm_rect_contains(VTermRect r, VTermPos p) |
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64 { |
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65 return p.row >= r.start_row && p.row < r.end_row && |
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66 p.col >= r.start_col && p.col < r.end_col; |
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67 } |
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68 #endif |
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69 |
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70 /* Move "rect" "row_delta" down and "col_delta" right. |
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71 * Does not check boundaries. */ |
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72 void vterm_rect_move(VTermRect *rect, int row_delta, int col_delta); |
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73 |
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74 #if defined(DEFINE_INLINES) || USE_INLINE |
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75 INLINE void vterm_rect_move(VTermRect *rect, int row_delta, int col_delta) |
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76 { |
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77 rect->start_row += row_delta; rect->end_row += row_delta; |
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78 rect->start_col += col_delta; rect->end_col += col_delta; |
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79 } |
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80 #endif |
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81 |
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82 /* The ansi_index is used for the lower 16 colors, which can be set to any |
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83 * color. */ |
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84 #define VTERM_ANSI_INDEX_DEFAULT 0 /* color cleared */ |
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85 #define VTERM_ANSI_INDEX_MIN 1 |
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86 #define VTERM_ANSI_INDEX_MAX 16 |
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87 #define VTERM_ANSI_INDEX_NONE 255 /* non-ANSI color, use red/green/blue */ |
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88 |
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89 typedef struct { |
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90 uint8_t red, green, blue; |
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91 uint8_t ansi_index; |
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92 } VTermColor; |
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93 |
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94 typedef enum { |
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95 /* VTERM_VALUETYPE_NONE = 0 */ |
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96 VTERM_VALUETYPE_BOOL = 1, |
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97 VTERM_VALUETYPE_INT, |
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98 VTERM_VALUETYPE_STRING, |
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99 VTERM_VALUETYPE_COLOR |
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100 } VTermValueType; |
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101 |
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102 typedef union { |
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103 int boolean; |
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104 int number; |
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105 char *string; |
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106 VTermColor color; |
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107 } VTermValue; |
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108 |
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109 typedef enum { |
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110 /* VTERM_ATTR_NONE = 0 */ |
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111 VTERM_ATTR_BOLD = 1, /* bool: 1, 22 */ |
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112 VTERM_ATTR_UNDERLINE, /* number: 4, 21, 24 */ |
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113 VTERM_ATTR_ITALIC, /* bool: 3, 23 */ |
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114 VTERM_ATTR_BLINK, /* bool: 5, 25 */ |
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115 VTERM_ATTR_REVERSE, /* bool: 7, 27 */ |
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116 VTERM_ATTR_STRIKE, /* bool: 9, 29 */ |
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117 VTERM_ATTR_FONT, /* number: 10-19 */ |
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118 VTERM_ATTR_FOREGROUND, /* color: 30-39 90-97 */ |
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119 VTERM_ATTR_BACKGROUND /* color: 40-49 100-107 */ |
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120 } VTermAttr; |
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121 |
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122 typedef enum { |
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123 /* VTERM_PROP_NONE = 0 */ |
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124 VTERM_PROP_CURSORVISIBLE = 1, /* bool */ |
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125 VTERM_PROP_CURSORBLINK, /* bool */ |
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126 VTERM_PROP_ALTSCREEN, /* bool */ |
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127 VTERM_PROP_TITLE, /* string */ |
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128 VTERM_PROP_ICONNAME, /* string */ |
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129 VTERM_PROP_REVERSE, /* bool */ |
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130 VTERM_PROP_CURSORSHAPE, /* number */ |
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131 VTERM_PROP_MOUSE, /* number */ |
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132 VTERM_PROP_CURSORCOLOR /* string */ |
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133 } VTermProp; |
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134 |
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135 enum { |
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136 VTERM_PROP_CURSORSHAPE_BLOCK = 1, |
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137 VTERM_PROP_CURSORSHAPE_UNDERLINE, |
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138 VTERM_PROP_CURSORSHAPE_BAR_LEFT |
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139 }; |
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140 |
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141 enum { |
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142 VTERM_PROP_MOUSE_NONE = 0, |
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143 VTERM_PROP_MOUSE_CLICK, |
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144 VTERM_PROP_MOUSE_DRAG, |
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145 VTERM_PROP_MOUSE_MOVE |
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146 }; |
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147 |
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148 typedef struct { |
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149 const uint32_t *chars; |
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150 int width; |
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151 unsigned int protected_cell:1; /* DECSCA-protected against DECSEL/DECSED */ |
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152 unsigned int dwl:1; /* DECDWL or DECDHL double-width line */ |
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153 unsigned int dhl:2; /* DECDHL double-height line (1=top 2=bottom) */ |
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154 } VTermGlyphInfo; |
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155 |
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156 typedef struct { |
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157 unsigned int doublewidth:1; /* DECDWL or DECDHL line */ |
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158 unsigned int doubleheight:2; /* DECDHL line (1=top 2=bottom) */ |
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159 } VTermLineInfo; |
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160 |
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161 typedef struct { |
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162 /* libvterm relies on the allocated memory to be zeroed out before it is |
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163 * returned by the allocator. */ |
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164 void *(*malloc)(size_t size, void *allocdata); |
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165 void (*free)(void *ptr, void *allocdata); |
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166 } VTermAllocatorFunctions; |
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167 |
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168 /* Allocate and initialize a new terminal with default allocators. */ |
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169 VTerm *vterm_new(int rows, int cols); |
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170 |
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171 /* Allocate and initialize a new terminal with specified allocators. */ |
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172 VTerm *vterm_new_with_allocator(int rows, int cols, VTermAllocatorFunctions *funcs, void *allocdata); |
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173 |
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174 /* Free and cleanup a terminal and all its data. */ |
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175 void vterm_free(VTerm* vt); |
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176 |
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177 /* Get the current size of the terminal and store in "rowsp" and "colsp". */ |
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178 void vterm_get_size(const VTerm *vt, int *rowsp, int *colsp); |
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179 |
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180 void vterm_set_size(VTerm *vt, int rows, int cols); |
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181 |
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182 int vterm_get_utf8(const VTerm *vt); |
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183 void vterm_set_utf8(VTerm *vt, int is_utf8); |
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184 |
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185 size_t vterm_input_write(VTerm *vt, const char *bytes, size_t len); |
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186 |
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187 size_t vterm_output_get_buffer_size(const VTerm *vt); |
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188 size_t vterm_output_get_buffer_current(const VTerm *vt); |
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189 size_t vterm_output_get_buffer_remaining(const VTerm *vt); |
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190 |
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191 size_t vterm_output_read(VTerm *vt, char *buffer, size_t len); |
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192 |
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193 void vterm_keyboard_unichar(VTerm *vt, uint32_t c, VTermModifier mod); |
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194 void vterm_keyboard_key(VTerm *vt, VTermKey key, VTermModifier mod); |
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195 |
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196 void vterm_keyboard_start_paste(VTerm *vt); |
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197 void vterm_keyboard_end_paste(VTerm *vt); |
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198 |
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199 void vterm_mouse_move(VTerm *vt, int row, int col, VTermModifier mod); |
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200 /* "button" is 1 for left, 2 for middle, 3 for right. |
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201 * Button 4 is scroll wheel down, button 5 is scroll wheel up. */ |
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202 void vterm_mouse_button(VTerm *vt, int button, int pressed, VTermModifier mod); |
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203 |
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204 /* ------------ |
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205 * Parser layer |
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206 * ------------ */ |
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207 |
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208 /* Flag to indicate non-final subparameters in a single CSI parameter. |
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209 * Consider |
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210 * CSI 1;2:3:4;5a |
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211 * 1 4 and 5 are final. |
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212 * 2 and 3 are non-final and will have this bit set |
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213 * |
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214 * Don't confuse this with the final byte of the CSI escape; 'a' in this case. |
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215 */ |
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216 #define CSI_ARG_FLAG_MORE (1<<30) |
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217 #define CSI_ARG_MASK (~(1<<30)) |
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218 |
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219 #define CSI_ARG_HAS_MORE(a) ((a) & CSI_ARG_FLAG_MORE) |
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220 #define CSI_ARG(a) ((a) & CSI_ARG_MASK) |
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221 |
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222 /* Can't use -1 to indicate a missing argument; use this instead */ |
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223 #define CSI_ARG_MISSING ((1<<30)-1) |
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224 |
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225 #define CSI_ARG_IS_MISSING(a) (CSI_ARG(a) == CSI_ARG_MISSING) |
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226 #define CSI_ARG_OR(a,def) (CSI_ARG(a) == CSI_ARG_MISSING ? (def) : CSI_ARG(a)) |
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227 #define CSI_ARG_COUNT(a) (CSI_ARG(a) == CSI_ARG_MISSING || CSI_ARG(a) == 0 ? 1 : CSI_ARG(a)) |
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228 |
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229 typedef struct { |
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230 int (*text)(const char *bytes, size_t len, void *user); |
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231 int (*control)(unsigned char control, void *user); |
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232 int (*escape)(const char *bytes, size_t len, void *user); |
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233 int (*csi)(const char *leader, const long args[], int argcount, const char *intermed, char command, void *user); |
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234 int (*osc)(const char *command, size_t cmdlen, void *user); |
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235 int (*dcs)(const char *command, size_t cmdlen, void *user); |
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236 int (*resize)(int rows, int cols, void *user); |
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237 } VTermParserCallbacks; |
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238 |
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239 void vterm_parser_set_callbacks(VTerm *vt, const VTermParserCallbacks *callbacks, void *user); |
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240 void *vterm_parser_get_cbdata(VTerm *vt); |
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241 |
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242 /* ----------- |
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243 * State layer |
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244 * ----------- */ |
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245 |
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246 typedef struct { |
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247 int (*putglyph)(VTermGlyphInfo *info, VTermPos pos, void *user); |
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248 int (*movecursor)(VTermPos pos, VTermPos oldpos, int visible, void *user); |
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249 int (*scrollrect)(VTermRect rect, int downward, int rightward, void *user); |
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250 int (*moverect)(VTermRect dest, VTermRect src, void *user); |
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251 int (*erase)(VTermRect rect, int selective, void *user); |
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252 int (*initpen)(void *user); |
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253 int (*setpenattr)(VTermAttr attr, VTermValue *val, void *user); |
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254 /* Callback for setting various properties. Must return 1 if the property |
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255 * was accepted, 0 otherwise. */ |
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256 int (*settermprop)(VTermProp prop, VTermValue *val, void *user); |
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257 int (*bell)(void *user); |
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258 int (*resize)(int rows, int cols, VTermPos *delta, void *user); |
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259 int (*setlineinfo)(int row, const VTermLineInfo *newinfo, const VTermLineInfo *oldinfo, void *user); |
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260 } VTermStateCallbacks; |
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261 |
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262 typedef struct { |
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263 VTermPos pos; |
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264 int buttons; |
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265 #define MOUSE_BUTTON_LEFT 0x01 |
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266 #define MOUSE_BUTTON_MIDDLE 0x02 |
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267 #define MOUSE_BUTTON_RIGHT 0x04 |
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268 int flags; |
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269 #define MOUSE_WANT_CLICK 0x01 |
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270 #define MOUSE_WANT_DRAG 0x02 |
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271 #define MOUSE_WANT_MOVE 0x04 |
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272 /* useful to add protocol? */ |
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273 } VTermMouseState; |
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274 |
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275 VTermState *vterm_obtain_state(VTerm *vt); |
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276 |
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277 void vterm_state_set_callbacks(VTermState *state, const VTermStateCallbacks *callbacks, void *user); |
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278 void *vterm_state_get_cbdata(VTermState *state); |
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279 |
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280 /* Only invokes control, csi, osc, dcs */ |
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281 void vterm_state_set_unrecognised_fallbacks(VTermState *state, const VTermParserCallbacks *fallbacks, void *user); |
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282 void *vterm_state_get_unrecognised_fbdata(VTermState *state); |
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283 |
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284 /* Initialize the state. */ |
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285 void vterm_state_reset(VTermState *state, int hard); |
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286 |
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287 void vterm_state_get_cursorpos(const VTermState *state, VTermPos *cursorpos); |
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288 void vterm_state_get_mousestate(const VTermState *state, VTermMouseState *mousestate); |
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289 void vterm_state_get_default_colors(const VTermState *state, VTermColor *default_fg, VTermColor *default_bg); |
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290 void vterm_state_get_palette_color(const VTermState *state, int index, VTermColor *col); |
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291 void vterm_state_set_default_colors(VTermState *state, const VTermColor *default_fg, const VTermColor *default_bg); |
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292 void vterm_state_set_palette_color(VTermState *state, int index, const VTermColor *col); |
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293 void vterm_state_set_bold_highbright(VTermState *state, int bold_is_highbright); |
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294 int vterm_state_get_penattr(const VTermState *state, VTermAttr attr, VTermValue *val); |
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295 int vterm_state_set_termprop(VTermState *state, VTermProp prop, VTermValue *val); |
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296 const VTermLineInfo *vterm_state_get_lineinfo(const VTermState *state, int row); |
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297 |
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298 /* ------------ |
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299 * Screen layer |
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300 * ------------ */ |
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301 |
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302 typedef struct { |
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303 unsigned int bold : 1; |
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304 unsigned int underline : 2; |
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305 unsigned int italic : 1; |
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306 unsigned int blink : 1; |
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307 unsigned int reverse : 1; |
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308 unsigned int strike : 1; |
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309 unsigned int font : 4; /* 0 to 9 */ |
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310 unsigned int dwl : 1; /* On a DECDWL or DECDHL line */ |
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311 unsigned int dhl : 2; /* On a DECDHL line (1=top 2=bottom) */ |
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312 } VTermScreenCellAttrs; |
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313 |
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314 typedef struct { |
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315 #define VTERM_MAX_CHARS_PER_CELL 6 |
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316 uint32_t chars[VTERM_MAX_CHARS_PER_CELL]; |
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317 char width; |
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318 VTermScreenCellAttrs attrs; |
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319 VTermColor fg, bg; |
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320 } VTermScreenCell; |
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321 |
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322 /* All fields are optional, NULL when not used. */ |
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323 typedef struct { |
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324 int (*damage)(VTermRect rect, void *user); |
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325 int (*moverect)(VTermRect dest, VTermRect src, void *user); |
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326 int (*movecursor)(VTermPos pos, VTermPos oldpos, int visible, void *user); |
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327 int (*settermprop)(VTermProp prop, VTermValue *val, void *user); |
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328 int (*bell)(void *user); |
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329 int (*resize)(int rows, int cols, void *user); |
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330 /* A line was pushed off the top of the window. |
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331 * "cells[cols]" contains the cells of that line. |
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332 * Return value is unused. */ |
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333 int (*sb_pushline)(int cols, const VTermScreenCell *cells, void *user); |
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334 int (*sb_popline)(int cols, VTermScreenCell *cells, void *user); |
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335 } VTermScreenCallbacks; |
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336 |
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337 /* Return the screen of the vterm. */ |
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338 VTermScreen *vterm_obtain_screen(VTerm *vt); |
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339 |
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340 /* |
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341 * Install screen callbacks. These are invoked when the screen contents is |
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342 * changed. "user" is passed into to the callback. |
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343 */ |
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344 void vterm_screen_set_callbacks(VTermScreen *screen, const VTermScreenCallbacks *callbacks, void *user); |
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345 void *vterm_screen_get_cbdata(VTermScreen *screen); |
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346 |
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347 /* Only invokes control, csi, osc, dcs */ |
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348 void vterm_screen_set_unrecognised_fallbacks(VTermScreen *screen, const VTermParserCallbacks *fallbacks, void *user); |
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349 void *vterm_screen_get_unrecognised_fbdata(VTermScreen *screen); |
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350 |
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351 /* Enable support for using the alternate screen if "altscreen" is non-zero. |
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352 * Before that switching to the alternate screen won't work. |
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353 * Calling with "altscreen" zero has no effect. */ |
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354 void vterm_screen_enable_altscreen(VTermScreen *screen, int altscreen); |
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355 |
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356 typedef enum { |
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357 VTERM_DAMAGE_CELL, /* every cell */ |
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358 VTERM_DAMAGE_ROW, /* entire rows */ |
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359 VTERM_DAMAGE_SCREEN, /* entire screen */ |
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360 VTERM_DAMAGE_SCROLL /* entire screen + scrollrect */ |
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361 } VTermDamageSize; |
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362 |
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363 /* Invoke the relevant callbacks to update the screen. */ |
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364 void vterm_screen_flush_damage(VTermScreen *screen); |
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365 |
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366 void vterm_screen_set_damage_merge(VTermScreen *screen, VTermDamageSize size); |
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367 |
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368 /* |
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369 * Reset the screen. Also invokes vterm_state_reset(). |
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370 * Must be called before the terminal can be used. |
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371 */ |
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372 void vterm_screen_reset(VTermScreen *screen, int hard); |
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373 |
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374 /* Neither of these functions NUL-terminate the buffer */ |
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375 size_t vterm_screen_get_chars(const VTermScreen *screen, uint32_t *chars, size_t len, const VTermRect rect); |
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376 size_t vterm_screen_get_text(const VTermScreen *screen, char *str, size_t len, const VTermRect rect); |
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377 |
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378 typedef enum { |
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379 VTERM_ATTR_BOLD_MASK = 1 << 0, |
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380 VTERM_ATTR_UNDERLINE_MASK = 1 << 1, |
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381 VTERM_ATTR_ITALIC_MASK = 1 << 2, |
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382 VTERM_ATTR_BLINK_MASK = 1 << 3, |
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383 VTERM_ATTR_REVERSE_MASK = 1 << 4, |
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384 VTERM_ATTR_STRIKE_MASK = 1 << 5, |
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385 VTERM_ATTR_FONT_MASK = 1 << 6, |
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386 VTERM_ATTR_FOREGROUND_MASK = 1 << 7, |
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387 VTERM_ATTR_BACKGROUND_MASK = 1 << 8 |
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388 } VTermAttrMask; |
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389 |
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390 int vterm_screen_get_attrs_extent(const VTermScreen *screen, VTermRect *extent, VTermPos pos, VTermAttrMask attrs); |
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391 |
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392 int vterm_screen_get_cell(const VTermScreen *screen, VTermPos pos, VTermScreenCell *cell); |
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393 |
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394 int vterm_screen_is_eol(const VTermScreen *screen, VTermPos pos); |
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395 |
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396 /* --------- |
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397 * Utilities |
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398 * --------- */ |
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399 |
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400 VTermValueType vterm_get_attr_type(VTermAttr attr); |
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401 VTermValueType vterm_get_prop_type(VTermProp prop); |
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402 |
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403 void vterm_scroll_rect(VTermRect rect, |
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404 int downward, |
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405 int rightward, |
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406 int (*moverect)(VTermRect src, VTermRect dest, void *user), |
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407 int (*eraserect)(VTermRect rect, int selective, void *user), |
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408 void *user); |
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409 |
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410 void vterm_copy_cells(VTermRect dest, |
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411 VTermRect src, |
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412 void (*copycell)(VTermPos dest, VTermPos src, void *user), |
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413 void *user); |
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414 |
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415 #ifdef __cplusplus |
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416 } |
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417 #endif |
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418 |
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419 #endif |