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Initial version of GTK Wayland backend (#205)

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* Obtaining Gtk backend and runtime and displaying it in About box.

* .fixes

* .csometics

* Initial iteration for GTK on Wayland. Works suprisingly stable.

* Disable X11Utils when Wayland backend detected.

* Cosmetics

* .native

* First iteration of CSD.

* .working

* .working

* Calculating additional window spaced used by CSD.

* Fix max window size problem.

* Fix issue with rendering.

* .refactoring

* Fix splash screen when SSD is enable.

* Fix issue with mouse scrolling when CSD is enable.

* Not ideal fix for no keyboard input in parent window.

* Fix problem with XDisplay compilation and change name of GdkBackend to GtkBackend.

* Introduce new WAYLAND flag.

* Ctrl::GetWndScreenRect() fix for X11.

* Fix to compile on mac

---------

Co-authored-by: Zbigniew Rębacz <zbigniew.rebacz@hotmail.com>
This commit is contained in:
Zbigniew Rębacz 2025-02-02 11:47:32 +01:00 • committed by GitHub
parent 8077bb9c86
commit 511ff1e991
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18 changed files with 391 additions and 77 deletions
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82
uppsrc/CtrlCore/GtkCSD.cpp Normal file
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#include <CtrlCore/CtrlCore.h>
#ifdef GUI_GTK
namespace Upp {
bool GtkCSD::IsSSDSupported()
{
if (GdkBackend::IsX11()) {
return false;
}
// TODO: Rewrite to negotiate with window manager once XDG decoration protocol will be
// stable. (https://wayland.app/protocols/xdg-decoration-unstable-v1)
// NOTE: Server side decoration are optional. It might be supported by Window manager or
// not. Let's have a list of desktop environments on which we tested it works correctly.
auto desktop = GetEnv("XDG_SESSION_DESKTOP");
if (desktop == "KDE") {
return true;
//return true;
}
return false;
}
GtkCSD::GtkCSD(GdkWindowTypeHint hint)
{
if (!GdkBackend::IsWayland())
return;
if (IsSSDSupported()) {
if (hint == GDK_WINDOW_TYPE_HINT_POPUP_MENU) {
FindMargins(hint);
enable = true;
}
return;
}
if (hint == GDK_WINDOW_TYPE_HINT_COMBO) {
return;
}
FindMargins(hint);
enable = true;
}
void GtkCSD::FindMargins(GdkWindowTypeHint hint)
{
GtkWidget* win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
GtkWidget* header;
if (findarg(hint, GDK_WINDOW_TYPE_HINT_POPUP_MENU) >= 0) {
header = gtk_drawing_area_new();
gtk_widget_set_size_request(header, 1, 1);
gtk_window_set_titlebar((GtkWindow *)win, header);
} else {
header = gtk_header_bar_new();
gtk_header_bar_set_show_close_button(GTK_HEADER_BAR(header), TRUE);
gtk_window_set_titlebar((GtkWindow *)win, header);
}
GtkWidget* drawing_area = gtk_drawing_area_new();
gtk_container_add(GTK_CONTAINER(win), drawing_area);
gtk_widget_show_all(win);
gdk_window_get_origin(gtk_widget_get_window(drawing_area), &left_margin, &top_margin);
gint drawing_area_width = gtk_widget_get_allocated_width(drawing_area);
gint drawing_area_height = gtk_widget_get_allocated_height(drawing_area);
gint win_width = gtk_widget_get_allocated_width(win);
gint win_height = gtk_widget_get_allocated_height(win);
right_margin = win_width - left_margin - drawing_area_width;
bottom_margin = win_height - top_margin - drawing_area_height;
gtk_widget_destroy(drawing_area);
gtk_widget_destroy(header);
gtk_widget_destroy(win);
}
}
#endif