Cocoa: Remove subclassing of NSApplication

This removes the GLFW NSApplication subclass as a step towards better
coexistence with other libraries that touch Cocoa.

This moves application object creation to platform init to allow event
processing before window creation.

Related to #1317.
This commit is contained in:
Camilla Löwy 2018-12-24 23:31:58 +01:00 committed by Camilla Löwy
parent f9923e9095
commit 88c5edb409
3 changed files with 67 additions and 91 deletions

View File

@ -27,6 +27,10 @@
#include "internal.h"
#include <sys/param.h> // For MAXPATHLEN
#if MAC_OS_X_VERSION_MAX_ALLOWED < 101200
#define NSEventMaskKeyUp NSKeyUpMask
#define NSEventModifierFlagCommand NSCommandKeyMask
#endif
// Change to our application bundle's resources directory, if present
//
@ -271,17 +275,21 @@ static GLFWbool initializeTIS(void)
return updateUnicodeDataNS();
}
@interface GLFWLayoutListener : NSObject
@interface GLFWHelper : NSObject
@end
@implementation GLFWLayoutListener
@implementation GLFWHelper
- (void)selectedKeyboardInputSourceChanged:(NSObject* )object
{
updateUnicodeDataNS();
}
@end
- (void)doNothing:(id)object
{
}
@end // GLFWHelper
//////////////////////////////////////////////////////////////////////////
@ -291,13 +299,31 @@ static GLFWbool initializeTIS(void)
int _glfwPlatformInit(void)
{
_glfw.ns.autoreleasePool = [[NSAutoreleasePool alloc] init];
_glfw.ns.helper = [[GLFWHelper alloc] init];
[NSThread detachNewThreadSelector:@selector(doNothing:)
toTarget:_glfw.ns.helper
withObject:nil];
[NSApplication sharedApplication];
NSEvent* (^block)(NSEvent*) = ^ NSEvent* (NSEvent* event)
{
if ([event modifierFlags] & NSEventModifierFlagCommand)
[[NSApp keyWindow] sendEvent:event];
return event;
};
_glfw.ns.keyUpMonitor =
[NSEvent addLocalMonitorForEventsMatchingMask:NSEventMaskKeyUp
handler:block];
if (_glfw.hints.init.ns.chdir)
changeToResourcesDirectory();
_glfw.ns.listener = [[GLFWLayoutListener alloc] init];
[[NSNotificationCenter defaultCenter]
addObserver:_glfw.ns.listener
addObserver:_glfw.ns.helper
selector:@selector(selectedKeyboardInputSourceChanged:)
name:NSTextInputContextKeyboardSelectionDidChangeNotification
object:nil];
@ -342,18 +368,21 @@ void _glfwPlatformTerminate(void)
_glfw.ns.delegate = nil;
}
if (_glfw.ns.listener)
if (_glfw.ns.helper)
{
[[NSNotificationCenter defaultCenter]
removeObserver:_glfw.ns.listener
removeObserver:_glfw.ns.helper
name:NSTextInputContextKeyboardSelectionDidChangeNotification
object:nil];
[[NSNotificationCenter defaultCenter]
removeObserver:_glfw.ns.listener];
[_glfw.ns.listener release];
_glfw.ns.listener = nil;
removeObserver:_glfw.ns.helper];
[_glfw.ns.helper release];
_glfw.ns.helper = nil;
}
if (_glfw.ns.keyUpMonitor)
[NSEvent removeMonitor:_glfw.ns.keyUpMonitor];
free(_glfw.ns.clipboardString);
_glfwTerminateNSGL();

View File

@ -109,7 +109,9 @@ typedef struct _GLFWlibraryNS
TISInputSourceRef inputSource;
IOHIDManagerRef hidManager;
id unicodeData;
id listener;
id helper;
id keyUpMonitor;
id nibObjects;
char keyName[64];
short int keycodes[256];

View File

@ -46,7 +46,6 @@
#define NSEventModifierFlagDeviceIndependentFlagsMask NSDeviceIndependentModifierFlagsMask
#define NSEventMaskAny NSAnyEventMask
#define NSEventTypeApplicationDefined NSApplicationDefined
#define NSEventTypeKeyUp NSKeyUp
#define NSBitmapFormatAlphaNonpremultiplied NSAlphaNonpremultipliedBitmapFormat
#endif
@ -856,52 +855,6 @@ static const NSRange kEmptyRange = { NSNotFound, 0 };
@end
//------------------------------------------------------------------------
// GLFW application class
//------------------------------------------------------------------------
@interface GLFWApplication : NSApplication
{
NSArray* nibObjects;
}
@end
@implementation GLFWApplication
// From http://cocoadev.com/index.pl?GameKeyboardHandlingAlmost
// This works around an AppKit bug, where key up events while holding
// down the command key don't get sent to the key window.
- (void)sendEvent:(NSEvent *)event
{
if ([event type] == NSEventTypeKeyUp &&
([event modifierFlags] & NSEventModifierFlagCommand))
{
[[self keyWindow] sendEvent:event];
}
else
[super sendEvent:event];
}
// No-op thread entry point
//
- (void)doNothing:(id)object
{
}
- (void)loadMainMenu
{
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
[[NSBundle mainBundle] loadNibNamed:@"MainMenu"
owner:NSApp
topLevelObjects:&nibObjects];
#else
[[NSBundle mainBundle] loadNibNamed:@"MainMenu" owner:NSApp];
#endif
}
@end
// Set up the menu bar (manually)
// This is nasty, nasty stuff -- calls to undocumented semi-private APIs that
// could go away at any moment, lots of stuff that really should be
@ -1011,32 +964,9 @@ static void createMenuBar(void)
//
static GLFWbool initializeAppKit(void)
{
if (NSApp)
if (_glfw.ns.delegate)
return GLFW_TRUE;
// Implicitly create shared NSApplication instance
[GLFWApplication sharedApplication];
// Make Cocoa enter multi-threaded mode
[NSThread detachNewThreadSelector:@selector(doNothing:)
toTarget:NSApp
withObject:nil];
if (_glfw.hints.init.ns.menubar)
{
// In case we are unbundled, make us a proper UI application
[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
// Menu bar setup must go between sharedApplication above and
// finishLaunching below, in order to properly emulate the behavior
// of NSApplicationMain
if ([[NSBundle mainBundle] pathForResource:@"MainMenu" ofType:@"nib"])
[NSApp loadMainMenu];
else
createMenuBar();
}
// There can only be one application delegate, but we allocate it the
// first time a window is created to keep all window code in this file
_glfw.ns.delegate = [[GLFWApplicationDelegate alloc] init];
@ -1048,6 +978,30 @@ static GLFWbool initializeAppKit(void)
}
[NSApp setDelegate:_glfw.ns.delegate];
if (_glfw.hints.init.ns.menubar)
{
// In case we are unbundled, make us a proper UI application
[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
// Menu bar setup must go between sharedApplication above and
// finishLaunching below, in order to properly emulate the behavior
// of NSApplicationMain
if ([[NSBundle mainBundle] pathForResource:@"MainMenu" ofType:@"nib"])
{
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
[[NSBundle mainBundle] loadNibNamed:@"MainMenu"
owner:NSApp
topLevelObjects:&_glfw.ns.nibObjects];
#else
[[NSBundle mainBundle] loadNibNamed:@"MainMenu" owner:NSApp];
#endif
}
else
createMenuBar();
}
[NSApp run];
// Press and Hold prevents some keys from emitting repeated characters
@ -1554,9 +1508,6 @@ void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity)
void _glfwPlatformPollEvents(void)
{
if (!initializeAppKit())
return;
for (;;)
{
NSEvent* event = [NSApp nextEventMatchingMask:NSEventMaskAny
@ -1707,9 +1658,6 @@ int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
NSImage* native;
NSBitmapImageRep* rep;
if (!initializeAppKit())
return GLFW_FALSE;
rep = [[NSBitmapImageRep alloc]
initWithBitmapDataPlanes:NULL
pixelsWide:image->width
@ -1745,9 +1693,6 @@ int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
{
if (!initializeAppKit())
return GLFW_FALSE;
if (shape == GLFW_ARROW_CURSOR)
cursor->ns.object = [NSCursor arrowCursor];
else if (shape == GLFW_IBEAM_CURSOR)