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vt: add support for mouse motion reports

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This commit is contained in:
Daniel Eklöf 2019-07-05 15:13:06 +02:00
parent e5fc266cdb
commit 1610828b8c
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GPG key ID: 5BBD4992C116573F
4 changed files with 135 additions and 69 deletions
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94
terminal.c
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@ -423,35 +423,36 @@ encode_xbutton(int xbutton)
}
static void
report_mouse_click(struct terminal *term, int button, int row, int col,
bool release, bool shift, bool alt, bool ctrl)
report_mouse_click(struct terminal *term, int encoded_button, int row, int col,
bool release)
{
/* 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);
32 + encoded_button, 32 + col + 1, 32 + row + 1);
write(term->ptmx, response, strlen(response));
}
static void
report_mouse_motion(struct terminal *term, int encoded_button, int row, int col)
{
report_mouse_click(term, encoded_button, row, col, false);
}
void
term_mouse_down(struct terminal *term, int button, int row, int col,
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;
int encoded = encode_xbutton(xbutton);
if (encoded == -1)
return;
encoded += (shift ? 4 : 0) + (alt ? 8 : 0) + (ctrl ? 16 : 0);
switch (term->mouse_tracking) {
case MOUSE_NONE:
break;
@ -460,7 +461,7 @@ term_mouse_down(struct terminal *term, int button, int row, int col,
case MOUSE_CLICK:
case MOUSE_DRAG:
case MOUSE_MOTION:
report_mouse_click(term, button, row, col, false, shift, alt, ctrl);
report_mouse_click(term, encoded, row, col, false);
break;
}
}
@ -469,6 +470,19 @@ void
term_mouse_up(struct terminal *term, int button, int row, int col,
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 (xbutton == 4 || xbutton == 5) {
/* No release events for scroll buttons */
return;
}
int encoded = 3;
encoded += (shift ? 4 : 0) + (alt ? 8 : 0) + (ctrl ? 16 : 0);
switch (term->mouse_tracking) {
case MOUSE_NONE:
break;
@ -477,7 +491,45 @@ term_mouse_up(struct terminal *term, int button, int row, int col,
case MOUSE_CLICK:
case MOUSE_DRAG:
case MOUSE_MOTION:
report_mouse_click(term, button, row, col, true, shift, alt, ctrl);
report_mouse_click(term, encoded, row, col, true);
break;
}
}
void
term_mouse_motion(struct terminal *term, int button, int row, int col,
bool shift, bool alt, bool ctrl)
{
int encoded = 0;
if (button != 0) {
/* Map libevent button event code to X button number */
int xbutton = linux_mouse_button_to_x(button);
if (xbutton == -1)
return;
encoded = encode_xbutton(xbutton);
if (encoded == -1)
return;
} else
encoded = 3; /* "released" */
encoded += 32; /* Motion event */
encoded += (shift ? 4 : 0) + (alt ? 8 : 0) + (ctrl ? 16 : 0);
switch (term->mouse_tracking) {
case MOUSE_NONE:
case MOUSE_X10:
case MOUSE_CLICK:
return;
case MOUSE_DRAG:
if (button == 0)
return;
/* FALLTHROUGH */
case MOUSE_MOTION:
report_mouse_motion(term, encoded, row, col);
break;
}
}