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Libdecor-gtk and GTK Shell: take care of touch events

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This commit is contained in:
ManoloFLTK 2023-11-14 12:14:04 +01:00
parent 52f6b6abbb
commit 19e40058da
1 changed files with 52 additions and 0 deletions
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52
libdecor/build/fl_libdecor-plugins.c
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@ -382,6 +382,41 @@ static void fltk_pointer_button(void *data,
}
// libdecor's touch_down member of wl_touch_listener objects
void (*decor_touch_down)(void *data, struct wl_touch *wl_touch, uint32_t serial,
uint32_t time, struct wl_surface *surface, int32_t id,
wl_fixed_t x, wl_fixed_t y);
// FLTK's replacement for touch_down member of wl_touch_listener objects
static void fltk_touch_down(void *data, struct wl_touch *wl_touch, uint32_t serial,
uint32_t time, struct wl_surface *surface, int32_t id, wl_fixed_t x, wl_fixed_t y)
{
struct seat *seat = data;
struct libdecor_frame_gtk *frame_gtk;
if (!surface || !own_surface(surface)) return;
frame_gtk = wl_surface_get_user_data(surface);
if (!frame_gtk) return;
seat->touch_focus = surface;
frame_gtk->touch_active = get_component_for_surface(frame_gtk, surface);
if (!frame_gtk->touch_active) return;
if (frame_gtk->touch_active->type == HEADER &&
frame_gtk->hdr_focus.type < HEADER_MIN &&
time - seat->touch_down_time_stamp <
(uint32_t)frame_gtk->plugin_gtk->double_click_time_ms
) {
struct gtk_surface1 *gtk_surface = gtk_shell1_get_gtk_surface(
gtk_shell, surface);
gtk_surface1_titlebar_gesture(gtk_surface, serial, seat->wl_seat,
GTK_SURFACE1_GESTURE_DOUBLE_CLICK);
gtk_surface1_release(gtk_surface);
} else {
decor_touch_down(data, wl_touch, serial, time, surface, id, x, y);
}
}
struct wl_object { // copied from wayland-private.h
const struct wl_interface *interface;
const void *implementation;
@ -416,6 +451,23 @@ void use_FLTK_pointer_button(struct libdecor_frame *frame) {
fltk_listener->button = fltk_pointer_button;
// replace the pointer listener by a copy whose button member is FLTK's
object->implementation = fltk_listener;
object = (struct wl_object *)seat->wl_touch;
if (object) {
struct wl_touch_listener *decor_touch_listener =
(struct wl_touch_listener*)object->implementation;
struct wl_touch_listener *fltk_touch_listener =
(struct wl_touch_listener*)malloc(sizeof(struct wl_touch_listener));
// initialize FLTK's touch listener with libdecor's values
*fltk_touch_listener = *decor_touch_listener;
// memorize libdecor's down cb
decor_touch_down = decor_touch_listener->down;
// replace libdecor's down by FLTK's
fltk_touch_listener->down = fltk_touch_down;
// replace the touch listener by a copy whose down member is FLTK's
object->implementation = fltk_touch_listener;
}
// get gnome's double_click_time_ms value
doubleclick_time = lfg->plugin_gtk->double_click_time_ms;
#endif // HAVE_GTK && !USE_SYSTEM_LIBDECOR