/*
* Shrink a window by dragging the modeline
*/
static int
adjust_window(WINDOW *wp, COORD * current, COORD * latest)
{
if (latest->Y == mode_row(wp)) {
if (current->Y != latest->Y) {
WINDOW *save_wp = curwp;
set_curwp(wp);
shrinkwind(FALSE, latest->Y - current->Y);
set_curwp(save_wp);
update(TRUE);
}
*latest = *current;
return TRUE;
}
return FALSE;
}
/*
* On button press, we get an explicit number (1,2,3), and on release we don't
* really know which button, but assume it is the last-pressed button.
*/
int
on_mouse_click(int button, int y, int x)
{
static int first_x, first_y, pending;
WINDOW *this_wp, *that_wp;
int status;
if (button > 0) {
if (valid_window(this_wp = row2window(y))
&& (y != mode_row(this_wp))) {
/*
* If we get a click on the "<" marking the left side
* of a shifted window, force the screen right. This
* makes it more consistent if there's a tab.
*/
if (w_val(this_wp, WVAL_SIDEWAYS)
&& x == 0) {
mvleftwind(FALSE, 1);
}
if (!doingsweep) {
if (button == BTN_EXTEND) {
first_x = offs2col(this_wp, this_wp->w_dot.l, this_wp->w_dot.o);
first_y = line_no(this_wp->w_bufp, this_wp->w_dot.l)
- line_no(this_wp->w_bufp, this_wp->w_line.l);
} else {
first_x = x;
first_y = y;
}
}
status = setcursor(y, x);
/*
* Check for button1-down while we're in multimotion
* sweep, so we can suppress highlighting extension.
*/
if (button != BTN_EXTEND
&& status == TRUE
&& doingsweep) {
status = SORTOFTRUE;
if (button == BTN_BEGIN) {
first_x = x;
first_y = y;
}
}
} else { /* pressed button on modeline */
status = SORTOFTRUE;
first_x = x;
first_y = y;
}
pending = button;
} else if (pending) {
button = pending;
pending = FALSE;
this_wp = row2window(y);
that_wp = row2window(first_y);
if (this_wp == 0
|| that_wp == 0
|| reading_msg_line) {
TRACE(("MOUSE cannot move msg-line\n"));
status = FALSE;
} else if (insertmode
&& (this_wp != curwp || that_wp != curwp)) {
TRACE(("MOUSE cannot move from window while inserting\n"));
kbd_alarm();
status = ABORT;
} else if (first_y == mode_row(that_wp)) { /* drag modeline? */
if (first_y == y) {
sel_release();
status = SEL_RELEASE;
} else {
WINDOW *save_wp = curwp;
TRACE(("MOUSE dragging modeline\n"));
set_curwp(that_wp);
status = shrinkwind(FALSE, first_y - y);
set_curwp(save_wp);
}
} else if (y != first_y || x != first_x) { /* drag selection */
if (button == BTN_PASTE) {
(void) setcursor(y, x);
status = paste_selection();
} else if (doingsweep) {
switch (button) {
case BTN_BEGIN:
(void) release_selection(TRUE);
status = setcursor(first_y, first_x);
if (status == TRUE) {
MK = DOT;
status = SEL_BEGIN;
TRACE(("MOUSE setting SEL_BEGIN MK %d.%d\n",
line_no(curbp, MK.l), MK.o));
}
break;
default:
(void) setcursor(y, x);
status = SEL_EXTEND;
TRACE(("MOUSE setting SEL_EXTEND DOT %d.%d MK %d.%d\n",
line_no(curbp, MK.l), MK.o,
line_no(curbp, DOT.l), DOT.o));
break;
}
} else {
TRACE(("MOUSE begin multimotion on button%d-up\n", button));
if (button == BTN_EXTEND) {
(void) setcursor(y, x);
y = first_y;
x = first_x;
}
do_sweep(SORTOFTRUE);
(void) sel_begin();
(void) sel_setshape(rgn_EXACT);
(void) setcursor(y, x);
status = multimotion(TRUE, 1);
TRACE(("MOUSE end multimotion after button%d-up\n", button));
if (status == SEL_PASTE)
status = paste_selection();
}
} else { /* position the cursor */
TRACE(("MOUSE button %d position cursor\n", button));
(void) setcursor(y, x);
switch (button) {
case BTN_BEGIN:
status = SEL_FINISH;
break;
case BTN_PASTE:
status = paste_selection();
break;
default:
status = release_selection(TRUE);
break;
}
}
} else {
TRACE(("MOUSE ignored (illegal state)\n"));
status = FALSE;
}
if (status == TRUE || status >= SORTOFTRUE)
(void) update(TRUE);
TRACE(("MOUSE status:%d\n", status));
return status;
}
