mirror of
https://github.com/lucannez64/darling-lol.git
synced 2026-10-26 19:47:42 +00:00
ekisu
cae74e9e0c
Synchronize Motif decoration hints on style and titlebar-property changes, including native-window recreation and restoring ordinary WM decorations. Add a ten-case standalone Cocoa/X11 regression probe and document validation on KWin/Xwayland.
87 lines
3.8 KiB
Objective-C
87 lines
3.8 KiB
Objective-C
/* Standalone Cocoa/X11 regression: no client windows, hooks or input. */
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#import <AppKit/AppKit.h>
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#import <AppKit/NSDisplay.h>
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#include <X11/Xlib.h>
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#include <assert.h>
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#include <dlfcn.h>
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#include <stdio.h>
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@protocol DecorationProbeDisplay
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- (void *)display;
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@end
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@interface NSObject (DecorationProbe)
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- (unsigned long)windowHandle;
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- (void)recreateXWindowWithAlpha:(BOOL)alpha;
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@end
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static BOOL undecorated(NSWindow *window) {
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void *xlib = dlopen("/usr/lib/native/libX11.dylib", RTLD_LAZY);
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assert(xlib);
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Atom (*intern)(Display *, const char *, Bool) = dlsym(xlib, "XInternAtom");
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int (*sync)(Display *, Bool) = dlsym(xlib, "XSync");
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int (*get)(Display *, Window, Atom, long, long, Bool, Atom,
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Atom *, int *, unsigned long *, unsigned long *, unsigned char **) =
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dlsym(xlib, "XGetWindowProperty");
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int (*freeData)(void *) = dlsym(xlib, "XFree");
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assert(intern && sync && get && freeData);
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id native = [window platformWindow];
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Display *display = (Display *)[(id<DecorationProbeDisplay>)[NSDisplay currentDisplay] display];
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sync(display, False);
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Atom type = None;
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int format = 0;
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unsigned long count = 0, remaining = 0;
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unsigned char *data = NULL;
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int status = get(display, [native windowHandle], intern(display, "_MOTIF_WM_HINTS", False),
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0, 5, False, AnyPropertyType, &type, &format, &count, &remaining, &data);
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assert(status == Success);
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BOOL result = format == 32 && count >= 3 && data &&
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(((unsigned long *)data)[0] & 2) && ((unsigned long *)data)[2] == 0;
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if (data) freeData(data);
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dlclose(xlib);
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return result;
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}
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static void assertDecoration(NSWindow *window, BOOL expected, const char *name) {
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BOOL actual = undecorated(window);
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printf("WINDOW_DECORATION case=%s undecorated=%d expected=%d\n", name, actual, expected);
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assert(actual == expected);
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}
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int main(void) {
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setbuf(stdout, NULL);
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@autoreleasepool {
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[NSApplication sharedApplication];
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NSWindow *window = [[NSWindow alloc] initWithContentRect:NSMakeRect(20, 20, 320, 180)
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styleMask:NSTitledWindowMask backing:NSBackingStoreBuffered defer:NO];
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assertDecoration(window, NO, "ordinary titled window");
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[window setTitleVisibility:1];
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assertDecoration(window, NO, "hidden title alone preserves frame");
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[window setTitlebarAppearsTransparent:YES];
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assertDecoration(window, YES, "hidden and transparent title removes frame");
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[window setTitleVisibility:0];
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assertDecoration(window, NO, "visible title restores frame");
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[window setTitleVisibility:1];
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[window setTitlebarAppearsTransparent:NO];
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assertDecoration(window, NO, "opaque title restores frame");
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[window setStyleMask:NSTexturedBackgroundWindowMask];
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assertDecoration(window, YES, "untitled with extra flags");
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[window setStyleMask:NSTitledWindowMask];
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assertDecoration(window, NO, "titled style restored");
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[window setStyleMask:NSBorderlessWindowMask];
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assertDecoration(window, YES, "borderless after creation");
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[window setStyleMask:NSTitledWindowMask];
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[window setTitlebarAppearsTransparent:YES];
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[(id)[window platformWindow] recreateXWindowWithAlpha:NO];
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assertDecoration(window, YES, "recreated native window retains client chrome");
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NSWindow *deferred = [[NSWindow alloc] initWithContentRect:NSMakeRect(20, 20, 320, 180)
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styleMask:NSTitledWindowMask backing:NSBackingStoreBuffered defer:YES];
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[deferred setTitleVisibility:1];
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[deferred setTitlebarAppearsTransparent:YES];
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assertDecoration(deferred, YES, "properties set before native creation");
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puts("WINDOW_DECORATIONS_CHECK cases=10 pass=1");
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// Windows stay unmapped: the probe never changes compositor focus.
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}
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return 0;
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}
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