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Special case first touch-event: grab and emulate mouse button

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This commit is contained in:
Robin Gareus 2024-10-30 19:19:30 +01:00
parent 23d5dcd080
commit 952ec57a26
1 changed files with 67 additions and 5 deletions
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72
libs/tk/ydk/gdkwindow.c
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@ -39,6 +39,8 @@
#undef DEBUG_WINDOW_PRINTING
#define FIRST_TOUCH_EMULATE_BUTTON_EVENT
#ifdef GDK_WINDOWING_X11
#include "gdkx.h" /* For workaround */
#endif
@ -9940,6 +9942,28 @@ is_touch_type (GdkEventType type)
type == GDK_TOUCH_END;
}
static gboolean
is_button_press (GdkEvent* event)
{
#ifdef FIRST_TOUCH_EMULATE_BUTTON_EVENT
return event->any.type == GDK_BUTTON_PRESS ||
(event->any.type == GDK_TOUCH_BEGIN && event->touch.flags & 0x20000);
#else
return event->any.type == GDK_BUTTON_PRESS;
#endif
}
static gboolean
is_button_release (GdkEvent* event)
{
#ifdef FIRST_TOUCH_EMULATE_BUTTON_EVENT
return event->any.type == GDK_BUTTON_RELEASE ||
(event->any.type == GDK_TOUCH_END && event->touch.flags & 0x20000);
#else
return event->any.type == GDK_BUTTON_RELEASE;
#endif
}
static GdkWindowObject *
find_common_ancestor (GdkWindowObject *win1,
GdkWindowObject *win2)
@ -10807,7 +10831,7 @@ proxy_button_event (GdkEvent *source_event,
toplevel_x, toplevel_y,
&toplevel_x, &toplevel_y);
if (type == GDK_BUTTON_PRESS &&
if (is_button_press (source_event) &&
!source_event->any.send_event &&
_gdk_display_has_pointer_grab (display, serial) == NULL)
{
@ -10848,6 +10872,24 @@ proxy_button_event (GdkEvent *source_event,
type, state,
NULL, serial);
#ifdef FIRST_TOUCH_EMULATE_BUTTON_EVENT
if (is_touch_type (type) && source_event->touch.flags & 0x20000)
{
if (type == GDK_TOUCH_UPDATE)
{
/* first touch moves the mouse already (at least on Linux/X11).
* So there is no need to emulate GDK_MOTION_NOTIFY events.
*/
return TRUE;
}
event_win = get_event_window (display,
pointer_window,
type == GDK_TOUCH_BEGIN ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE, state,
NULL, serial);
}
else
#endif
/* multitouch grab */
if (type == GDK_TOUCH_BEGIN && !source_event->any.send_event)
{
@ -10915,6 +10957,28 @@ proxy_button_event (GdkEvent *source_event,
case GDK_TOUCH_BEGIN:
case GDK_TOUCH_UPDATE:
case GDK_TOUCH_END:
#ifdef FIRST_TOUCH_EMULATE_BUTTON_EVENT
if (source_event->touch.flags & 0x20000) {
if (type == GDK_TOUCH_UPDATE) {
g_assert (0);
return TRUE;
}
convert_toplevel_coords_to_window (event_win,
toplevel_x, toplevel_y,
&event->button.x, &event->button.y);
event->button.type = type == GDK_TOUCH_BEGIN ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE;
event->button.time = source_event->touch.time;
event->button.x_root = source_event->touch.x_root;
event->button.y_root = source_event->touch.y_root;
event->button.axes = NULL;
event->button.state = 0;
event->button.button = 1;
event->button.device = display->core_pointer;
return TRUE;
}
#endif
convert_toplevel_coords_to_window (event_win,
toplevel_x, toplevel_y,
&event->touch.x, &event->touch.y);
@ -11076,8 +11140,7 @@ _gdk_windowing_got_event (GdkDisplay *display,
_gdk_display_pointer_grab_update (display,
serial);
}
if (event->type == GDK_BUTTON_RELEASE &&
!event->any.send_event)
if (is_button_release (event) && !event->any.send_event)
{
button_release_grab =
_gdk_display_has_pointer_grab (display, serial);
@ -11204,8 +11267,7 @@ _gdk_windowing_got_event (GdkDisplay *display,
unlink_event = proxy_button_event (event,
serial);
if (event->type == GDK_BUTTON_RELEASE &&
!event->any.send_event)
if (is_button_release (event) && !event->any.send_event)
{
button_release_grab =
_gdk_display_has_pointer_grab (display, serial);