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annotate src/libvterm/src/keyboard.c @ 12674:e769c912fcd9 v8.0.1215

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patch 8.0.1215: newer gcc warns for implicit fallthrough commit https://github.com/vim/vim/commit/2f40d129bf45cd35976e4120336ae6d504f5a5dd Author: Bram Moolenaar <Bram@vim.org> Date: Tue Oct 24 21:49:36 2017 +0200 patch 8.0.1215: newer gcc warns for implicit fallthrough Problem: Newer gcc warns for implicit fallthrough. Solution: Consistently use a FALLTHROUGH comment. (Christian Brabandt)
author Christian Brabandt <cb@256bit.org>
date Tue, 24 Oct 2017 22:00:06 +0200
parents 7846efd291d7
children 2449b6ce1456
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include "vterm_internal.h"
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2
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3 #include <stdio.h>
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4
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5 #include "utf8.h"
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6
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7 void vterm_keyboard_unichar(VTerm *vt, uint32_t c, VTermModifier mod)
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8 {
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9 int needs_CSIu;
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10
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11 /* The shift modifier is never important for Unicode characters
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12 * apart from Space
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13 */
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14 if(c != ' ')
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15 mod &= ~VTERM_MOD_SHIFT;
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16
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17 if(mod == 0) {
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18 /* Normal text - ignore just shift */
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19 char str[6];
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20 int seqlen = fill_utf8(c, str);
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21 vterm_push_output_bytes(vt, str, seqlen);
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22 return;
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23 }
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24
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25 switch(c) {
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26 /* Special Ctrl- letters that can't be represented elsewise */
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27 case 'i': case 'j': case 'm': case '[':
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28 needs_CSIu = 1;
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29 break;
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30 /* Ctrl-\ ] ^ _ don't need CSUu */
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31 case '\\': case ']': case '^': case '_':
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32 needs_CSIu = 0;
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33 break;
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34 /* Shift-space needs CSIu */
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35 case ' ':
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36 needs_CSIu = !!(mod & VTERM_MOD_SHIFT);
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37 break;
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38 /* All other characters needs CSIu except for letters a-z */
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39 default:
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40 needs_CSIu = (c < 'a' || c > 'z');
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41 }
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42
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43 /* ALT we can just prefix with ESC; anything else requires CSI u */
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44 if(needs_CSIu && (mod & ~VTERM_MOD_ALT)) {
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45 vterm_push_output_sprintf_ctrl(vt, C1_CSI, "%d;%du", c, mod+1);
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46 return;
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47 }
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48
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49 if(mod & VTERM_MOD_CTRL)
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50 c &= 0x1f;
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51
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52 vterm_push_output_sprintf(vt, "%s%c", mod & VTERM_MOD_ALT ? ESC_S : "", c);
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53 }
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54
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55 typedef struct {
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56 enum {
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57 KEYCODE_NONE,
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58 KEYCODE_LITERAL,
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59 KEYCODE_TAB,
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60 KEYCODE_ENTER,
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61 KEYCODE_SS3,
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62 KEYCODE_CSI,
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63 KEYCODE_CSI_CURSOR,
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64 KEYCODE_CSINUM,
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65 KEYCODE_KEYPAD
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66 } type;
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67 char literal;
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68 int csinum;
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69 } keycodes_s;
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70
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71 /* Order here must be exactly the same as VTermKey enum! */
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72 static keycodes_s keycodes[] = {
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73 { KEYCODE_NONE, 0, 0 }, /* NONE */
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74
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75 { KEYCODE_ENTER, '\r', 0 }, /* ENTER */
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76 { KEYCODE_TAB, '\t', 0 }, /* TAB */
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77 { KEYCODE_LITERAL, '\x7f', 0 }, /* BACKSPACE == ASCII DEL */
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78 { KEYCODE_LITERAL, '\x1b', 0 }, /* ESCAPE */
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79
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80 { KEYCODE_CSI_CURSOR, 'A', 0 }, /* UP */
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81 { KEYCODE_CSI_CURSOR, 'B', 0 }, /* DOWN */
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82 { KEYCODE_CSI_CURSOR, 'D', 0 }, /* LEFT */
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83 { KEYCODE_CSI_CURSOR, 'C', 0 }, /* RIGHT */
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84
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85 { KEYCODE_CSINUM, '~', 2 }, /* INS */
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86 { KEYCODE_CSINUM, '~', 3 }, /* DEL */
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87 { KEYCODE_CSI_CURSOR, 'H', 0 }, /* HOME */
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88 { KEYCODE_CSI_CURSOR, 'F', 0 }, /* END */
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89 { KEYCODE_CSINUM, '~', 5 }, /* PAGEUP */
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90 { KEYCODE_CSINUM, '~', 6 }, /* PAGEDOWN */
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91 };
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92
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93 static keycodes_s keycodes_fn[] = {
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94 { KEYCODE_NONE, 0, 0 }, /* F0 - shouldn't happen */
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95 { KEYCODE_CSI_CURSOR, 'P', 0 }, /* F1 */
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96 { KEYCODE_CSI_CURSOR, 'Q', 0 }, /* F2 */
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97 { KEYCODE_CSI_CURSOR, 'R', 0 }, /* F3 */
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98 { KEYCODE_CSI_CURSOR, 'S', 0 }, /* F4 */
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99 { KEYCODE_CSINUM, '~', 15 }, /* F5 */
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100 { KEYCODE_CSINUM, '~', 17 }, /* F6 */
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101 { KEYCODE_CSINUM, '~', 18 }, /* F7 */
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102 { KEYCODE_CSINUM, '~', 19 }, /* F8 */
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103 { KEYCODE_CSINUM, '~', 20 }, /* F9 */
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104 { KEYCODE_CSINUM, '~', 21 }, /* F10 */
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105 { KEYCODE_CSINUM, '~', 23 }, /* F11 */
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106 { KEYCODE_CSINUM, '~', 24 }, /* F12 */
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107 };
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108
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109 static keycodes_s keycodes_kp[] = {
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110 { KEYCODE_KEYPAD, '0', 'p' }, /* KP_0 */
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111 { KEYCODE_KEYPAD, '1', 'q' }, /* KP_1 */
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112 { KEYCODE_KEYPAD, '2', 'r' }, /* KP_2 */
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113 { KEYCODE_KEYPAD, '3', 's' }, /* KP_3 */
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114 { KEYCODE_KEYPAD, '4', 't' }, /* KP_4 */
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115 { KEYCODE_KEYPAD, '5', 'u' }, /* KP_5 */
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116 { KEYCODE_KEYPAD, '6', 'v' }, /* KP_6 */
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117 { KEYCODE_KEYPAD, '7', 'w' }, /* KP_7 */
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118 { KEYCODE_KEYPAD, '8', 'x' }, /* KP_8 */
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119 { KEYCODE_KEYPAD, '9', 'y' }, /* KP_9 */
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120 { KEYCODE_KEYPAD, '*', 'j' }, /* KP_MULT */
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121 { KEYCODE_KEYPAD, '+', 'k' }, /* KP_PLUS */
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122 { KEYCODE_KEYPAD, ',', 'l' }, /* KP_COMMA */
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123 { KEYCODE_KEYPAD, '-', 'm' }, /* KP_MINUS */
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124 { KEYCODE_KEYPAD, '.', 'n' }, /* KP_PERIOD */
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125 { KEYCODE_KEYPAD, '/', 'o' }, /* KP_DIVIDE */
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126 { KEYCODE_KEYPAD, '\n', 'M' }, /* KP_ENTER */
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127 { KEYCODE_KEYPAD, '=', 'X' }, /* KP_EQUAL */
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128 };
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129
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130 void vterm_keyboard_key(VTerm *vt, VTermKey key, VTermModifier mod)
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131 {
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132 keycodes_s k;
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
133
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
134 if(key == VTERM_KEY_NONE)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
135 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
136
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
137 if(key < VTERM_KEY_FUNCTION_0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
138 if(key >= sizeof(keycodes)/sizeof(keycodes[0]))
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
139 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
140 k = keycodes[key];
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
141 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
142 else if(key >= VTERM_KEY_FUNCTION_0 && key <= VTERM_KEY_FUNCTION_MAX) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
143 if((key - VTERM_KEY_FUNCTION_0) >= sizeof(keycodes_fn)/sizeof(keycodes_fn[0]))
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
144 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
145 k = keycodes_fn[key - VTERM_KEY_FUNCTION_0];
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
146 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
147 else if(key >= VTERM_KEY_KP_0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
148 if((key - VTERM_KEY_KP_0) >= sizeof(keycodes_kp)/sizeof(keycodes_kp[0]))
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
149 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
150 k = keycodes_kp[key - VTERM_KEY_KP_0];
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
151 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
152
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
153 switch(k.type) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
154 case KEYCODE_NONE:
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
155 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
156
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
157 case KEYCODE_TAB:
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
158 /* Shift-Tab is CSI Z but plain Tab is 0x09 */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
159 if(mod == VTERM_MOD_SHIFT)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
160 vterm_push_output_sprintf_ctrl(vt, C1_CSI, "Z");
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
161 else if(mod & VTERM_MOD_SHIFT)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
162 vterm_push_output_sprintf_ctrl(vt, C1_CSI, "1;%dZ", mod+1);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
163 else
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
164 goto case_LITERAL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
165 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
166
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
167 case KEYCODE_ENTER:
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
168 /* Enter is CRLF in newline mode, but just LF in linefeed */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
169 if(vt->state->mode.newline)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
170 vterm_push_output_sprintf(vt, "\r\n");
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
171 else
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
172 goto case_LITERAL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
173 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
174
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
175 case KEYCODE_LITERAL: case_LITERAL:
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
176 if(mod & (VTERM_MOD_SHIFT|VTERM_MOD_CTRL))
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
177 vterm_push_output_sprintf_ctrl(vt, C1_CSI, "%d;%du", k.literal, mod+1);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
178 else
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
179 vterm_push_output_sprintf(vt, mod & VTERM_MOD_ALT ? ESC_S "%c" : "%c", k.literal);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
180 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
181
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
182 case KEYCODE_SS3: case_SS3:
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
183 if(mod == 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
184 vterm_push_output_sprintf_ctrl(vt, C1_SS3, "%c", k.literal);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
185 else
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
186 goto case_CSI;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
187 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
188
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
189 case KEYCODE_CSI: case_CSI:
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
190 if(mod == 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
191 vterm_push_output_sprintf_ctrl(vt, C1_CSI, "%c", k.literal);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
192 else
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
193 vterm_push_output_sprintf_ctrl(vt, C1_CSI, "1;%d%c", mod + 1, k.literal);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
194 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
195
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
196 case KEYCODE_CSINUM:
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
197 if(mod == 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
198 vterm_push_output_sprintf_ctrl(vt, C1_CSI, "%d%c", k.csinum, k.literal);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
199 else
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
200 vterm_push_output_sprintf_ctrl(vt, C1_CSI, "%d;%d%c", k.csinum, mod + 1, k.literal);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
201 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
202
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
203 case KEYCODE_CSI_CURSOR:
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
204 if(vt->state->mode.cursor)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
205 goto case_SS3;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
206 else
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
207 goto case_CSI;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
208
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
209 case KEYCODE_KEYPAD:
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
210 if(vt->state->mode.keypad) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
211 k.literal = k.csinum;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
212 goto case_SS3;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
213 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
214 else
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
215 goto case_LITERAL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
216 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
217 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
218
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
219 void vterm_keyboard_start_paste(VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
220 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
221 if(vt->state->mode.bracketpaste)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
222 vterm_push_output_sprintf_ctrl(vt, C1_CSI, "200~");
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
223 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
224
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
225 void vterm_keyboard_end_paste(VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
226 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
227 if(vt->state->mode.bracketpaste)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
228 vterm_push_output_sprintf_ctrl(vt, C1_CSI, "201~");
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
229 }