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[feat] add native Metal video rendering for Slint on macOS

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dijunkun
2026-08-25 00:41:18 +08:00
parent 3f93dc05aa
commit 29aae747c6
18 changed files with 2193 additions and 431 deletions
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src/gui/platform/window_drag_mac.mm
+57 -41
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@@ -17,7 +17,8 @@
namespace crossdesk {
namespace {
NSWindow *stream_window = nil;
__weak NSWindow *stream_window = nil;
__weak NSView *stream_slint_view = nil;
CrossDeskStreamFullscreenTarget *stream_fullscreen_target = nil;
bool stream_fullscreen = false;
NSRect stream_restore_frame = NSZeroRect;
@@ -101,48 +102,63 @@ bool HideDisabledMainWindowZoomButton() {
}
}
bool ConfigureStreamWindowLiveResize() {
bool ConfigureStreamWindowLiveResize(void *opaque_slint_view) {
@autoreleasepool {
for (NSWindow *window in [NSApp windows]) {
if (![window.title isEqualToString:@"CrossDesk"]) {
continue;
}
NSButton *zoom_button =
[window standardWindowButton:NSWindowZoomButton];
// The stream window is resizable and therefore keeps an enabled native
// zoom button. The fixed-size main window's zoom button is disabled.
if (zoom_button == nil || !zoom_button.enabled) {
continue;
}
NSView *content_view = window.contentView;
if (content_view == nil) {
return false;
}
// During an ordinary edge resize, scale one cached frame and redraw once
// the new window size has settled.
window.preservesContentDuringLiveResize = YES;
content_view.layerContentsRedrawPolicy =
NSViewLayerContentsRedrawBeforeViewResize;
content_view.layerContentsPlacement =
NSViewLayerContentsPlacementScaleProportionallyToFit;
stream_window = window;
// Native Space fullscreen cross-fades an AppKit source snapshot over a
// separately rendered destination window. Disable that path for the
// stream window and route the green button to the immediate transition.
window.collectionBehavior =
(window.collectionBehavior &
~(NSWindowCollectionBehaviorFullScreenPrimary |
NSWindowCollectionBehaviorFullScreenAuxiliary |
NSWindowCollectionBehaviorFullScreenAllowsTiling)) |
NSWindowCollectionBehaviorFullScreenNone;
InstallStreamFullscreenButton(window);
content_view.needsDisplay = YES;
return true;
NSView *slint_view = (__bridge NSView *)opaque_slint_view;
NSWindow *window = slint_view.window;
if (window == nil) {
return false;
}
return false;
NSButton *zoom_button =
[window standardWindowButton:NSWindowZoomButton];
NSView *content_view = window.contentView;
if (zoom_button == nil || !zoom_button.enabled || content_view == nil) {
return false;
}
// During an ordinary edge resize, scale one cached frame and redraw once
// the new window size has settled.
window.preservesContentDuringLiveResize = YES;
content_view.layerContentsRedrawPolicy =
NSViewLayerContentsRedrawBeforeViewResize;
content_view.layerContentsPlacement =
NSViewLayerContentsPlacementScaleProportionallyToFit;
stream_window = window;
stream_slint_view = slint_view;
// Native Space fullscreen cross-fades an AppKit source snapshot over a
// separately rendered destination window. Disable that path for the
// stream window and route the green button to the immediate transition.
window.collectionBehavior =
(window.collectionBehavior &
~(NSWindowCollectionBehaviorFullScreenPrimary |
NSWindowCollectionBehaviorFullScreenAuxiliary |
NSWindowCollectionBehaviorFullScreenAllowsTiling)) |
NSWindowCollectionBehaviorFullScreenNone;
InstallStreamFullscreenButton(window);
content_view.needsDisplay = YES;
return true;
}
}
void UnregisterStreamWindow(void *opaque_slint_view) {
@autoreleasepool {
NSView *slint_view = (__bridge NSView *)opaque_slint_view;
if (slint_view == nil || slint_view != stream_slint_view) {
return;
}
stream_window = nil;
stream_slint_view = nil;
stream_fullscreen = false;
stream_restore_frame = NSZeroRect;
stream_restore_style_mask = NSWindowStyleMaskTitled;
stream_restore_title_visibility = NSWindowTitleVisible;
stream_restore_titlebar_transparent = NO;
stream_restore_movable = YES;
stream_restore_close_hidden = NO;
stream_restore_miniaturize_hidden = NO;
stream_restore_zoom_hidden = NO;
stream_restore_presentation_options = NSApplicationPresentationDefault;
}
}