mirrors/foot
1
0
Fork 0
mirror of https://codeberg.org/dnkl/foot.git synced 2026-02-23 01:40:12 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

vt: add support for \E[?1000h - report mouse button events

Browse source
This commit is contained in:
Daniel Eklöf 2019-07-05 14:24:51 +02:00
parent a102ff09f9
commit e5fc266cdb
No known key found for this signature in database
GPG key ID: 5BBD4992C116573F
4 changed files with 183 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

107
terminal.c
View file

@ -1,6 +1,7 @@
#include "terminal.h"
#include <string.h>
#include <unistd.h>
#include <assert.h>
#define LOG_MODULE "terminal"
@ -374,3 +375,109 @@ term_scroll_reverse(struct terminal *term, int rows)
{
term_scroll_reverse_partial(term, term->scroll_region, rows);
}
#include <linux/input-event-codes.h>
static int
linux_mouse_button_to_x(int button)
{
switch (button) {
case BTN_LEFT: return 1;
case BTN_RIGHT: return 3;
case BTN_MIDDLE: return 2;
case BTN_SIDE: return 8;
case BTN_EXTRA: return 9;
case BTN_FORWARD: return 4;
case BTN_BACK: return 5;
case BTN_TASK: return -1; /* TODO: ??? */
default:
LOG_WARN("unrecognized mouse button: %d (0x%x)", button, button);
return -1;
}
}
static int
encode_xbutton(int xbutton)
{
switch (xbutton) {
case 1: case 2: case 3:
return xbutton - 1;
case 4: case 5:
/* Like button 1 and 2, but with 64 added */
return xbutton - 4 + 64;
case 6: case 7:
/* Same as 4 and 5. Note: the offset should be something else? */
return xbutton - 6 + 64;
case 8: case 9: case 10: case 11:
/* Similar to 4 and 5, but adding 128 instead of 64 */
return xbutton - 8 + 128;
default:
LOG_ERR("cannot encode X mouse button: %d", xbutton);
return -1;
}
}
static void
report_mouse_click(struct terminal *term, int button, int row, int col,
bool release, bool shift, bool alt, bool ctrl)
{
/* Map libevent button event code to X button number */
int xbutton = linux_mouse_button_to_x(button);
if (xbutton == -1)
return;
if (release && (xbutton == 4 || xbutton == 5)) {
/* No button release events for scroll buttons */
return;
}
int encoded = release ? 3 : encode_xbutton(xbutton);
if (encoded == -1)
return;
encoded += (shift ? 4 : 0) + (alt ? 8 : 0) + (ctrl ? 16 : 0);
char response[16];
snprintf(response, sizeof(response), "\033[M%c%c%c",
32 + encoded, 32 + col + 1, 32 + row + 1);
write(term->ptmx, response, strlen(response));
}
void
term_mouse_down(struct terminal *term, int button, int row, int col,
bool shift, bool alt, bool ctrl)
{
switch (term->mouse_tracking) {
case MOUSE_NONE:
break;
case MOUSE_X10:
case MOUSE_CLICK:
case MOUSE_DRAG:
case MOUSE_MOTION:
report_mouse_click(term, button, row, col, false, shift, alt, ctrl);
break;
}
}
void
term_mouse_up(struct terminal *term, int button, int row, int col,
bool shift, bool alt, bool ctrl)
{
switch (term->mouse_tracking) {
case MOUSE_NONE:
break;
case MOUSE_X10:
case MOUSE_CLICK:
case MOUSE_DRAG:
case MOUSE_MOTION:
report_mouse_click(term, button, row, col, true, shift, alt, ctrl);
break;
}
}