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* src/pgtkterm.c (pgtk_handle_event): Add pinch event support.

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This commit is contained in:
Po Lu 2021-12-27 12:43:11 +08:00
parent f522a064cf
commit 53cf2cf81b
1 changed files with 37 additions and 1 deletions
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38
src/pgtkterm.c
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@ -4812,8 +4812,44 @@ pgtk_any_window_to_frame (GdkWindow * window)
}
static gboolean
pgtk_handle_event (GtkWidget * widget, GdkEvent * event, gpointer * data)
pgtk_handle_event (GtkWidget *widget, GdkEvent *event, gpointer *data)
{
#if GTK_CHECK_VERSION (3, 18, 0)
struct frame *f;
union buffered_input_event inev;
GtkWidget *frame_widget;
gint x, y;
if (event->type == GDK_TOUCHPAD_PINCH
&& (event->touchpad_pinch.phase
!= GDK_TOUCHPAD_GESTURE_PHASE_END))
{
f = pgtk_any_window_to_frame (gtk_widget_get_window (widget));
frame_widget = FRAME_GTK_WIDGET (f);
gtk_widget_translate_coordinates (widget, frame_widget,
lrint (event->touchpad_pinch.x),
lrint (event->touchpad_pinch.y),
&x, &y);
if (f)
{
inev.ie.kind = PINCH_EVENT;
XSETFRAME (inev.ie.frame_or_window, f);
XSETINT (inev.ie.x, x);
XSETINT (inev.ie.y, y);
inev.ie.arg = list4 (make_float (event->touchpad_pinch.dx),
make_float (event->touchpad_pinch.dy),
make_float (event->touchpad_pinch.scale),
make_float (event->touchpad_pinch.angle_delta));
inev.ie.modifiers = pgtk_gtk_to_emacs_modifiers (FRAME_DISPLAY_INFO (f),
event->touchpad_pinch.state);
evq_enqueue (&inev);
}
return TRUE;
}
#endif
return FALSE;
}