feat(app): implement basic function

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2026-05-17 15:51:02 +08:00
parent 6c00bf5a6f
commit ceecbb6af4
84 changed files with 7160 additions and 4 deletions
@@ -0,0 +1,121 @@
+//go:build darwin
+
+package main
+
+/*
+#cgo CFLAGS: -x objective-c -fobjc-arc -fblocks
+#cgo LDFLAGS: -framework AppKit -framework CoreGraphics
+#include <dispatch/dispatch.h>
+#import <AppKit/AppKit.h>
+
+static NSWindow* snipMainWindow(void) {
+    NSWindow *window = [NSApp mainWindow];
+    if (window == nil && [[NSApp windows] count] > 0) {
+        window = [[NSApp windows] objectAtIndex:0];
+    }
+    return window;
+}
+
+// snipMakeViewTransparent recursively clears AppKit/WKWebView backing
+// surfaces. Setting only NSWindow transparent is insufficient for Wails:
+// WKWebView may still paint an opaque default grey background.
+static void snipMakeViewTransparent(NSView *view) {
+    if (view == nil) {
+        return;
+    }
+
+    Class wkWebViewClass = NSClassFromString(@"WKWebView");
+    if (wkWebViewClass != nil && [view isKindOfClass:wkWebViewClass]) {
+        @try {
+            [view setValue:@NO forKey:@"drawsBackground"];
+        } @catch (__unused NSException *exception) {
+        }
+        @try {
+            id scrollView = [view valueForKey:@"scrollView"];
+            if ([scrollView isKindOfClass:[NSScrollView class]]) {
+                [(NSScrollView *)scrollView setDrawsBackground:NO];
+                [(NSScrollView *)scrollView setBackgroundColor:[NSColor clearColor]];
+            }
+        } @catch (__unused NSException *exception) {
+        }
+    }
+
+    if ([view isKindOfClass:[NSScrollView class]]) {
+        NSScrollView *scrollView = (NSScrollView *)view;
+        [scrollView setDrawsBackground:NO];
+        [scrollView setBackgroundColor:[NSColor clearColor]];
+    }
+
+    [view setWantsLayer:YES];
+    if ([view layer] != nil) {
+        [[view layer] setOpaque:NO];
+        [[view layer] setBackgroundColor:[[NSColor clearColor] CGColor]];
+    }
+
+    @try {
+        [view setValue:@NO forKey:@"opaque"];
+    } @catch (__unused NSException *exception) {
+    }
+
+    @try {
+        [view setValue:@NO forKey:@"drawsBackground"];
+    } @catch (__unused NSException *exception) {
+    }
+
+    for (NSView *subview in [view subviews]) {
+        snipMakeViewTransparent(subview);
+    }
+}
+
+static void snipConfigureOverlayWindow(void) {
+    dispatch_async(dispatch_get_main_queue(), ^{
+        NSWindow *window = snipMainWindow();
+        NSScreen *screen = [NSScreen mainScreen];
+        if (window == nil || screen == nil) {
+            return;
+        }
+
+        [window setOpaque:NO];
+        [window setBackgroundColor:[NSColor clearColor]];
+        snipMakeViewTransparent([window contentView]);
+        [window setLevel:NSScreenSaverWindowLevel];
+        [window setCollectionBehavior:
+            NSWindowCollectionBehaviorCanJoinAllSpaces |
+            NSWindowCollectionBehaviorFullScreenAuxiliary |
+            NSWindowCollectionBehaviorStationary];
+        [window setFrame:[screen frame] display:YES];
+    });
+}
+
+static void snipRestoreOverlayWindow(void) {
+    dispatch_async(dispatch_get_main_queue(), ^{
+        NSWindow *window = snipMainWindow();
+        if (window == nil) {
+            return;
+        }
+
+        [window setLevel:NSNormalWindowLevel];
+        [window setCollectionBehavior:NSWindowCollectionBehaviorDefault];
+        [window setOpaque:YES];
+        [window setBackgroundColor:
+            [NSColor colorWithCalibratedRed:246.0/255.0
+                                      green:247.0/255.0
+                                       blue:250.0/255.0
+                                      alpha:1.0]];
+    });
+}
+*/
+import "C"
+
+// configureOverlayWindow promotes the Wails NSWindow to a transparent,
+// screen-level overlay. Wails can size a frameless window, but AppKit-only
+// flags are needed to cover the menu bar and keep the WebView transparent.
+func configureOverlayWindow() {
+	C.snipConfigureOverlayWindow()
+}
+
+// restoreOverlayWindow returns the NSWindow to normal app-window behaviour
+// before the settings UI is shown again.
+func restoreOverlayWindow() {
+	C.snipRestoreOverlayWindow()
+}