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annotate src/libvterm/src/mouse.c @ 20518:a4652d7ec99f v8.2.0813

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patch 8.2.0813: libvterm code is slightly different from upstream Commit: https://github.com/vim/vim/commit/591cec8366e87a172495c362477cbf5de8d399f0 Author: Bram Moolenaar <Bram@vim.org> Date: Fri May 22 22:06:06 2020 +0200 patch 8.2.0813: libvterm code is slightly different from upstream Problem: libvterm code is slightly different from upstream. Solution: Use upstream text to avoid future merge problems. Mainly comment style changes.
author Bram Moolenaar <Bram@vim.org>
date Fri, 22 May 2020 22:15:04 +0200
parents da6a7491e148
children d0265fdadec9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #include "vterm_internal.h"
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2
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3 #include "utf8.h"
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4
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5 static void output_mouse(VTermState *state, int code, int pressed, int modifiers, int col, int row)
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6 {
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7 modifiers <<= 2;
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8
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9 switch(state->mouse_protocol) {
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10 case MOUSE_X10:
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11 if(col + 0x21 > 0xff)
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12 col = 0xff - 0x21;
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13 if(row + 0x21 > 0xff)
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14 row = 0xff - 0x21;
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15
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16 if(!pressed)
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17 code = 3;
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18
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19 vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "M%c%c%c",
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20 (code | modifiers) + 0x20, col + 0x21, row + 0x21);
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21 break;
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22
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23 case MOUSE_UTF8:
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24 {
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25 char utf8[18]; size_t len = 0;
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26
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27 if(!pressed)
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28 code = 3;
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29
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30 len += fill_utf8((code | modifiers) + 0x20, utf8 + len);
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31 len += fill_utf8(col + 0x21, utf8 + len);
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32 len += fill_utf8(row + 0x21, utf8 + len);
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33 utf8[len] = 0;
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34
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35 vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "M%s", utf8);
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36 }
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37 break;
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38
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39 case MOUSE_SGR:
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40 vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "<%d;%d;%d%c",
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41 code | modifiers, col + 1, row + 1, pressed ? 'M' : 'm');
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42 break;
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43
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44 case MOUSE_RXVT:
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45 if(!pressed)
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46 code = 3;
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47
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48 vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "%d;%d;%dM",
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49 code | modifiers, col + 1, row + 1);
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50 break;
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51 }
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52 }
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53
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54 void vterm_mouse_move(VTerm *vt, int row, int col, VTermModifier mod)
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55 {
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56 VTermState *state = vt->state;
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57
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58 if(col == state->mouse_col && row == state->mouse_row)
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59 return;
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60
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61 state->mouse_col = col;
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62 state->mouse_row = row;
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63
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64 if((state->mouse_flags & MOUSE_WANT_DRAG && state->mouse_buttons) ||
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65 (state->mouse_flags & MOUSE_WANT_MOVE)) {
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66 int button = state->mouse_buttons & MOUSE_BUTTON_LEFT ? 1 :
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67 state->mouse_buttons & MOUSE_BUTTON_MIDDLE ? 2 :
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68 state->mouse_buttons & MOUSE_BUTTON_RIGHT ? 3 : 4;
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69 output_mouse(state, button-1 + 0x20, 1, mod, col, row);
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70 }
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71 }
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72
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73 void vterm_mouse_button(VTerm *vt, int button, int pressed, VTermModifier mod)
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74 {
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75 VTermState *state = vt->state;
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76
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77 int old_buttons = state->mouse_buttons;
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78
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79 if(button > 0 && button <= 3) {
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80 if(pressed)
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81 state->mouse_buttons |= (1 << (button-1));
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82 else
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83 state->mouse_buttons &= ~(1 << (button-1));
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84 }
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85
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86 /* Most of the time we don't get button releases from 4/5 */
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87 if(state->mouse_buttons == old_buttons && button < 4)
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88 return;
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89 if (!(state->mouse_flags & MOUSE_WANT_CLICK))
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90 return;
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91
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92 if(button < 4) {
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93 output_mouse(state, button-1, pressed, mod, state->mouse_col, state->mouse_row);
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94 }
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95 else if(button < 6) {
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96 output_mouse(state, button-4 + 0x40, pressed, mod, state->mouse_col, state->mouse_row);
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97 }
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98 }