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Wayland: improve mapping of subwindows on display

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This commit is contained in:
ManoloFLTK 2024-06-29 14:32:45 +02:00
parent 216ddd09c9
commit 55daede41d
1 changed files with 9 additions and 21 deletions
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30
src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx
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@ -990,17 +990,6 @@ static void handle_configure(struct libdecor_frame *frame,
if (Fl_Wayland_Screen_Driver::compositor != Fl_Wayland_Screen_Driver::WESTON || !is_1st_run) {
window->fl_win->clear_damage();
}
if (Fl_Wayland_Screen_Driver::compositor == Fl_Wayland_Screen_Driver::OWL) {
Fl_Window *sub = Fl::first_window();
while (sub) { // search still un-exposed sub-windows
if (sub->window() == window->fl_win) {
Fl_Window_Driver::driver(sub)->wait_for_expose_value = 0;
break;
}
sub = Fl::next_window(sub);
}
}
}
@ -1465,16 +1454,14 @@ void Fl_Wayland_Window_Driver::makeWindow()
float f = Fl::screen_scale(pWindow->top_window()->screen_num());
wl_subsurface_set_position(new_window->subsurface, pWindow->x() * f, pWindow->y() * f);
wl_subsurface_set_desync(new_window->subsurface); // important
// next 3 statements ensure the subsurface will be mapped because:
// "A sub-surface becomes mapped, when a non-NULL wl_buffer is applied
// and the parent surface is mapped."
// Next 5 statements ensure the subsurface will be mapped because:
// "The effect of adding a sub-surface becomes visible on the next time
// the state of the parent surface is applied."
new_window->configured_width = pWindow->w();
new_window->configured_height = pWindow->h();
if (Fl_Wayland_Screen_Driver::compositor != Fl_Wayland_Screen_Driver::OWL) {
// With OWL, delay zeroing of subwindow's wait_for_expose_value until
// after their parent is configured, see handle_configure().
wait_for_expose_value = 0;
}
parent->fl_win->wait_for_expose();
wl_surface_commit(parent->wl_surface);
wait_for_expose_value = 0;
pWindow->border(0);
checkSubwindowFrame(); // make sure subwindow doesn't leak outside parent
@ -2070,8 +2057,9 @@ void Fl_Wayland_Window_Driver::menu_window_area(int &X, int &Y, int &W, int &H,
int Fl_Wayland_Window_Driver::wld_scale() {
struct wld_window *xid = (struct wld_window *)Fl_X::flx(pWindow)->xid;
if (wl_list_empty(&xid->outputs)) {
Fl_X *flx = Fl_X::flx(pWindow);
struct wld_window *xid = (flx ? (struct wld_window *)flx->xid : NULL);
if (!xid || wl_list_empty(&xid->outputs)) {
int scale = 1;
Fl_Wayland_Screen_Driver *scr_driver = (Fl_Wayland_Screen_Driver*)Fl::screen_driver();
Fl_Wayland_Screen_Driver::output *output;