1 #include "vterm_internal.h"
2
3 #include "utf8.h"
4
output_mouse(VTermState * state,int code,int pressed,int modifiers,int col,int row)5 static void output_mouse(VTermState *state, int code, int pressed, int modifiers, int col, int row)
6 {
7 modifiers <<= 2;
8
9 switch(state->mouse_protocol) {
10 case MOUSE_X10:
11 if(col + 0x21 > 0xff)
12 col = 0xff - 0x21;
13 if(row + 0x21 > 0xff)
14 row = 0xff - 0x21;
15
16 if(!pressed)
17 code = 3;
18
19 vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "M%c%c%c",
20 (code | modifiers) + 0x20, col + 0x21, row + 0x21);
21 break;
22
23 case MOUSE_UTF8:
24 {
25 char utf8[18]; size_t len = 0;
26
27 if(!pressed)
28 code = 3;
29
30 len += fill_utf8((code | modifiers) + 0x20, utf8 + len);
31 len += fill_utf8(col + 0x21, utf8 + len);
32 len += fill_utf8(row + 0x21, utf8 + len);
33 utf8[len] = 0;
34
35 vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "M%s", utf8);
36 }
37 break;
38
39 case MOUSE_SGR:
40 vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "<%d;%d;%d%c",
41 code | modifiers, col + 1, row + 1, pressed ? 'M' : 'm');
42 break;
43
44 case MOUSE_RXVT:
45 if(!pressed)
46 code = 3;
47
48 vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "%d;%d;%dM",
49 code | modifiers, col + 1, row + 1);
50 break;
51 }
52 }
53
vterm_mouse_move(VTerm * vt,int row,int col,VTermModifier mod)54 void vterm_mouse_move(VTerm *vt, int row, int col, VTermModifier mod)
55 {
56 VTermState *state = vt->state;
57
58 if(col == state->mouse_col && row == state->mouse_row)
59 return;
60
61 state->mouse_col = col;
62 state->mouse_row = row;
63
64 if((state->mouse_flags & MOUSE_WANT_DRAG && state->mouse_buttons) ||
65 (state->mouse_flags & MOUSE_WANT_MOVE)) {
66 int button = state->mouse_buttons & 0x01 ? 1 :
67 state->mouse_buttons & 0x02 ? 2 :
68 state->mouse_buttons & 0x04 ? 3 : 4;
69 output_mouse(state, button-1 + 0x20, 1, mod, col, row);
70 }
71 }
72
vterm_mouse_button(VTerm * vt,int button,bool pressed,VTermModifier mod)73 void vterm_mouse_button(VTerm *vt, int button, bool pressed, VTermModifier mod)
74 {
75 VTermState *state = vt->state;
76
77 int old_buttons = state->mouse_buttons;
78
79 if(button > 0 && button <= 3) {
80 if(pressed)
81 state->mouse_buttons |= (1 << (button-1));
82 else
83 state->mouse_buttons &= ~(1 << (button-1));
84 }
85
86 /* Most of the time we don't get button releases from 4/5 */
87 if(state->mouse_buttons == old_buttons && button < 4)
88 return;
89
90 if(button < 4) {
91 output_mouse(state, button-1, pressed, mod, state->mouse_col, state->mouse_row);
92 }
93 else if(button < 6) {
94 output_mouse(state, button-4 + 0x40, pressed, mod, state->mouse_col, state->mouse_row);
95 }
96 }
97