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Support xterm any-event mouse tracking

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From https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h3-Any-event-tracking:

    Any-event mode is the same as button-event mode, except that all motion
    events are reported, even if no mouse button is down.  It is enabled by
    specifying 1003 to DECSET.

Normally the front ends only report mouse events when buttons are
pressed, so we introduce a MA_MOVE event with MBT_NOTHING set to
indicate such a mouse movement.
This commit is contained in:
Ben Jackson
2019-12-20 13:56:58 +00:00
committed by Simon Tatham
parent 854d78eef3
commit 3cfbd3df0f
5 changed files with 48 additions and 5 deletions
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10
unix/window.c
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@ -502,6 +502,8 @@ static Mouse_Button translate_button(Mouse_Button button)
return MBT_PASTE;
if (button == MBT_RIGHT)
return MBT_EXTEND;
if (button == MBT_NOTHING)
return MBT_NOTHING;
return 0; /* shouldn't happen */
}
@ -2305,7 +2307,9 @@ gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
{
GtkFrontend *inst = (GtkFrontend *)data;
bool shift, ctrl, alt;
int x, y, button;
Mouse_Action action = MA_DRAG;
Mouse_Button button = MBT_NOTHING;
int x, y;
/* Remember the timestamp. */
inst->input_event_time = event->time;
@ -2325,12 +2329,12 @@ gint motion_event(GtkWidget *widget, GdkEventMotion *event, gpointer data)
else if (event->state & GDK_BUTTON3_MASK)
button = MBT_RIGHT;
else
return false; /* don't even know what button! */
action = MA_MOVE;
x = (event->x - inst->window_border) / inst->font_width;
y = (event->y - inst->window_border) / inst->font_height;
term_mouse(inst->term, button, translate_button(button), MA_DRAG,
term_mouse(inst->term, button, translate_button(button), action,
x, y, shift, ctrl, alt);
return true;