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Merge pull request #14622 from bruvzg/non-rectangular-windows

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Experimental support for windows with per-pixel transparency.
This commit is contained in:
Hein-Pieter van Braam
2018-05-08 16:44:35 +02:00
committed by GitHub
parent aacd7f012e ddae098dee
commit e668757aa9
16 changed files with 417 additions and 21 deletions
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31
platform/x11/os_x11.cpp
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@ -517,6 +517,10 @@ Error OS_X11::initialize(const VideoMode &p_desired, int p_video_driver, int p_a
power_manager = memnew(PowerX11);
if (p_desired.layered_splash) {
set_window_per_pixel_transparency_enabled(true);
}
XEvent xevent;
while (XPending(x11_display) > 0) {
XNextEvent(x11_display, &xevent);
@ -707,6 +711,25 @@ Point2 OS_X11::get_mouse_position() const {
return last_mouse_pos;
}
bool OS_X11::get_window_per_pixel_transparency_enabled() const {
if (!is_layered_allowed()) return false;
return layered_window;
}
void OS_X11::set_window_per_pixel_transparency_enabled(bool p_enabled) {
if (!is_layered_allowed()) return;
if (layered_window != p_enabled) {
if (p_enabled) {
set_borderless_window(true);
layered_window = true;
} else {
layered_window = false;
}
}
}
void OS_X11::set_window_title(const String &p_title) {
XStoreName(x11_display, x11_window, p_title.utf8().get_data());
@ -1006,9 +1029,13 @@ void OS_X11::set_window_size(const Size2 p_size) {
}
void OS_X11::set_window_fullscreen(bool p_enabled) {
if (current_videomode.fullscreen == p_enabled)
return;
if (layered_window)
set_window_per_pixel_transparency_enabled(false);
if (p_enabled && current_videomode.always_on_top) {
// Fullscreen + Always-on-top requires a maximized window on some window managers (Metacity)
set_window_maximized(true);
@ -1254,6 +1281,9 @@ void OS_X11::set_borderless_window(bool p_borderless) {
if (current_videomode.borderless_window == p_borderless)
return;
if (!p_borderless && layered_window)
set_window_per_pixel_transparency_enabled(false);
current_videomode.borderless_window = p_borderless;
Hints hints;
@ -2715,6 +2745,7 @@ OS_X11::OS_X11() {
AudioDriverManager::add_driver(&driver_alsa);
#endif
layered_window = false;
minimized = false;
xim_style = 0L;
mouse_mode = MOUSE_MODE_VISIBLE;