151 lines
3.8 KiB
Objective-C
151 lines
3.8 KiB
Objective-C
// 13 may 2014
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#include "objc_darwin.h"
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#include "_cgo_export.h"
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#import <Foundation/NSObject.h>
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#import <Foundation/NSValue.h>
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#import <Foundation/NSNotification.h>
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#import <AppKit/NSApplication.h>
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#import <AppKit/NSWindow.h>
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#import <Foundation/NSAutoreleasePool.h>
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#import <AppKit/NSEvent.h>
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#import <AppKit/NSAlert.h>
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extern NSRect dummyRect;
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@interface ourApplication : NSApplication
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@end
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@implementation ourApplication
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// by default, NSApplication eats some key events
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// this prevents that from happening with Area
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// see http://stackoverflow.com/questions/24099063/how-do-i-detect-keyup-in-my-nsview-with-the-command-key-held and http://lists.apple.com/archives/cocoa-dev/2003/Oct/msg00442.html
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- (void)sendEvent:(NSEvent *)e
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{
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NSEventType type;
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type = [e type];
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if (type == NSKeyDown || type == NSKeyUp || type == NSFlagsChanged) {
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id focused;
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focused = [[e window] firstResponder];
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// TODO can focused be nil? the isKindOfClass: docs don't say if it handles nil receivers
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if ([focused isKindOfClass:areaClass])
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switch (type) {
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case NSKeyDown:
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[focused keyDown:e];
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return;
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case NSKeyUp:
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[focused keyUp:e];
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return;
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case NSFlagsChanged:
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[focused flagsChanged:e];
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return;
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}
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// else fall through
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}
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// otherwise, let NSApplication do it
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[super sendEvent:e];
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}
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@end
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@interface appDelegate : NSObject
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@end
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@implementation appDelegate
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- (BOOL)windowShouldClose:(id)win
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{
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return appDelegate_windowShouldClose(win);
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}
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- (void)windowDidResize:(NSNotification *)n
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{
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appDelegate_windowDidResize([n object]);
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}
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- (void)buttonClicked:(id)button
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{
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appDelegate_buttonClicked(button);
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}
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- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)app
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{
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NSArray *windows;
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NSUInteger i;
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// try to close all windows
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windows = [NSApp windows];
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for (i = 0; i < [windows count]; i++)
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[[windows objectAtIndex:i] performClose:self];
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// if any windows are left, cancel
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if ([[NSApp windows] count] != 0)
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return NSTerminateCancel;
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// no windows are left; we're good
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return NSTerminateNow;
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}
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- (void)alertDidEnd:(NSAlert *)alert returnCode:(NSInteger)returnCode contextInfo:(void *)data
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{
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NSInteger *ret = (NSInteger *) data;
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*ret = returnCode;
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}
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@end
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id makeAppDelegate(void)
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{
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return [appDelegate new];
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}
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id windowGetContentView(id window)
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{
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return [((NSWindow *) window) contentView];
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}
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BOOL initCocoa(id appDelegate)
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{
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// on 10.6 the -[NSApplication setDelegate:] method complains if we don't have one
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NSAutoreleasePool *pool;
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pool = [NSAutoreleasePool new];
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dummyRect = NSMakeRect(0, 0, 100, 100);
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initAreaClass();
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[ourApplication sharedApplication]; // makes NSApp an object of type ourApplication
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if ([NSApp setActivationPolicy:NSApplicationActivationPolicyRegular] != YES)
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return NO;
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[NSApp activateIgnoringOtherApps:YES]; // TODO actually do C.NO here? Russ Cox does YES in his devdraw; the docs say the Finder does NO
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[NSApp setDelegate:appDelegate];
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[pool release];
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return YES;
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}
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void breakMainLoop(void)
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{
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NSEvent *e;
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// -[NSApplication stop:] stops the event loop; it won't do a clean termination, but we're not too concerned with that (at least not on the other platforms either so)
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// we can't call -[NSApplication terminate:] because that will just quit the program, ensuring we never leave ui.Go()
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[NSApp stop:NSApp];
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// simply calling -[NSApplication stop:] is not good enough, as the stop flag is only checked when an event comes in
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// we have to create a "proper" event; a blank event will just throw an exception
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e = [NSEvent otherEventWithType:NSApplicationDefined
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location:NSZeroPoint
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modifierFlags:0
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timestamp:0
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windowNumber:0
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context:nil
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subtype:0
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data1:0
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data2:0];
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[NSApp postEvent:e atStart:NO]; // not at start, just in case there are other events pending (TODO is this correct?)
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}
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void cocoaMainLoop(void)
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{
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[NSApp run];
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}
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