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// SPDX-License-Identifier: Unlicense OR MIT
// +build darwin,!ios
@import AppKit;
#include "_cgo_export.h"
@interface GioAppDelegate : NSObject<NSApplicationDelegate>
@end
@interface GioWindowDelegate : NSObject<NSWindowDelegate>
@end
@implementation GioWindowDelegate
- (void)windowWillMiniaturize:(NSNotification *)notification {
NSWindow *window = (NSWindow *)[notification object];
gio_onHide((__bridge CFTypeRef)window.contentView);
}
- (void)windowDidDeminiaturize:(NSNotification *)notification {
NSWindow *window = (NSWindow *)[notification object];
gio_onShow((__bridge CFTypeRef)window.contentView);
}
- (void)windowDidChangeScreen:(NSNotification *)notification {
NSWindow *window = (NSWindow *)[notification object];
CGDirectDisplayID dispID = [[[window screen] deviceDescription][@"NSScreenNumber"] unsignedIntValue];
CFTypeRef view = (__bridge CFTypeRef)window.contentView;
gio_onChangeScreen(view, dispID);
}
- (void)windowDidBecomeKey:(NSNotification *)notification {
NSWindow *window = (NSWindow *)[notification object];
gio_onFocus((__bridge CFTypeRef)window.contentView, YES);
}
- (void)windowDidResignKey:(NSNotification *)notification {
NSWindow *window = (NSWindow *)[notification object];
gio_onFocus((__bridge CFTypeRef)window.contentView, NO);
}
- (void)windowWillClose:(NSNotification *)notification {
NSWindow *window = (NSWindow *)[notification object];
window.delegate = nil;
gio_onClose((__bridge CFTypeRef)window.contentView);
}
@end
// Delegates are weakly referenced from their peers. Nothing
// else holds a strong reference to our window delegate, so
// keep a single global reference instead.
static GioWindowDelegate *globalWindowDel;
void gio_writeClipboard(unichar *chars, NSUInteger length) {
@autoreleasepool {
NSString *s = [NSString string];
if (length > 0) {
s = [NSString stringWithCharacters:chars length:length];
}
NSPasteboard *p = NSPasteboard.generalPasteboard;
[p declareTypes:@[NSPasteboardTypeString] owner:nil];
[p setString:s forType:NSPasteboardTypeString];
}
}
CFTypeRef gio_readClipboard(void) {
@autoreleasepool {
NSPasteboard *p = NSPasteboard.generalPasteboard;
NSString *content = [p stringForType:NSPasteboardTypeString];
return (__bridge_retained CFTypeRef)content;
}
}
CGFloat gio_viewHeight(CFTypeRef viewRef) {
NSView *view = (__bridge NSView *)viewRef;
return [view bounds].size.height;
}
CGFloat gio_viewWidth(CFTypeRef viewRef) {
NSView *view = (__bridge NSView *)viewRef;
return [view bounds].size.width;
}
CGFloat gio_getScreenBackingScale(void) {
return [NSScreen.mainScreen backingScaleFactor];
}
CGFloat gio_getViewBackingScale(CFTypeRef viewRef) {
NSView *view = (__bridge NSView *)viewRef;
return [view.window backingScaleFactor];
}
static CVReturn displayLinkCallback(CVDisplayLinkRef dl, const CVTimeStamp *inNow, const CVTimeStamp *inOutputTime, CVOptionFlags flagsIn, CVOptionFlags *flagsOut, void *displayLinkContext) {
gio_onFrameCallback(dl);
return kCVReturnSuccess;
}
CFTypeRef gio_createDisplayLink(void) {
CVDisplayLinkRef dl;
CVDisplayLinkCreateWithActiveCGDisplays(&dl);
CVDisplayLinkSetOutputCallback(dl, displayLinkCallback, nil);
return dl;
}
int gio_startDisplayLink(CFTypeRef dl) {
return CVDisplayLinkStart((CVDisplayLinkRef)dl);
}
int gio_stopDisplayLink(CFTypeRef dl) {
return CVDisplayLinkStop((CVDisplayLinkRef)dl);
}
void gio_releaseDisplayLink(CFTypeRef dl) {
CVDisplayLinkRelease((CVDisplayLinkRef)dl);
}
void gio_setDisplayLinkDisplay(CFTypeRef dl, uint64_t did) {
CVDisplayLinkSetCurrentCGDisplay((CVDisplayLinkRef)dl, (CGDirectDisplayID)did);
}
NSPoint gio_cascadeTopLeftFromPoint(CFTypeRef windowRef, NSPoint topLeft) {
NSWindow *window = (__bridge NSWindow *)windowRef;
return [window cascadeTopLeftFromPoint:topLeft];
}
void gio_makeKeyAndOrderFront(CFTypeRef windowRef) {
NSWindow *window = (__bridge NSWindow *)windowRef;
[window makeKeyAndOrderFront:nil];
}
CFTypeRef gio_createWindow(CFTypeRef viewRef, const char *title, CGFloat width, CGFloat height, CGFloat minWidth, CGFloat minHeight, CGFloat maxWidth, CGFloat maxHeight) {
@autoreleasepool {
NSRect rect = NSMakeRect(0, 0, width, height);
NSUInteger styleMask = NSTitledWindowMask |
NSResizableWindowMask |
NSMiniaturizableWindowMask |
NSClosableWindowMask;
NSWindow* window = [[NSWindow alloc] initWithContentRect:rect
styleMask:styleMask
backing:NSBackingStoreBuffered
defer:NO];
if (minWidth > 0 || minHeight > 0) {
window.contentMinSize = NSMakeSize(minWidth, minHeight);
}
if (maxWidth > 0 || maxHeight > 0) {
window.contentMaxSize = NSMakeSize(maxWidth, maxHeight);
}
[window setAcceptsMouseMovedEvents:YES];
window.title = [NSString stringWithUTF8String: title];
NSView *view = (__bridge NSView *)viewRef;
[window setContentView:view];
[window makeFirstResponder:view];
window.releasedWhenClosed = NO;
window.delegate = globalWindowDel;
return (__bridge_retained CFTypeRef)window;
}
}
void gio_close(CFTypeRef windowRef) {
NSWindow* window = (__bridge NSWindow *)windowRef;
[window performClose:nil];
}
@implementation GioAppDelegate
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
[[NSRunningApplication currentApplication] activateWithOptions:(NSApplicationActivateAllWindows | NSApplicationActivateIgnoringOtherApps)];
gio_onFinishLaunching();
}
- (void)applicationDidHide:(NSNotification *)aNotification {
gio_onAppHide();
}
- (void)applicationWillUnhide:(NSNotification *)notification {
gio_onAppShow();
}
@end
void gio_main() {
@autoreleasepool {
[NSApplication sharedApplication];
GioAppDelegate *del = [[GioAppDelegate alloc] init];
[NSApp setDelegate:del];
[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
NSMenuItem *mainMenu = [NSMenuItem new];
NSMenu *menu = [NSMenu new];
NSMenuItem *hideMenuItem = [[NSMenuItem alloc] initWithTitle:@"Hide"
action:@selector(hide:)
keyEquivalent:@"h"];
[menu addItem:hideMenuItem];
NSMenuItem *quitMenuItem = [[NSMenuItem alloc] initWithTitle:@"Quit"
action:@selector(terminate:)
keyEquivalent:@"q"];
[menu addItem:quitMenuItem];
[mainMenu setSubmenu:menu];
NSMenu *menuBar = [NSMenu new];
[menuBar addItem:mainMenu];
[NSApp setMainMenu:menuBar];
globalWindowDel = [[GioWindowDelegate alloc] init];
[NSApp run];
}
}
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