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A multi-platform library for OpenGL, OpenGL ES, Vulkan, window and input
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glfw/src/cocoa_window.m

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//========================================================================
// GLFW 3.1 OS X - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2009-2010 Camilla Berglund <elmindreda@elmindreda.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
// Needed for _NSGetProgname
#include <crt_externs.h>
// Center the cursor in the view of the window
//
static void centerCursor(_GLFWwindow *window)
{
int width, height;
_glfwPlatformGetWindowSize(window, &width, &height);
_glfwPlatformSetCursorPos(window, width / 2.0, height / 2.0);
}
// Update the cursor to match the specified cursor mode
//
static void setModeCursor(_GLFWwindow* window)
{
if (window->cursorMode == GLFW_CURSOR_NORMAL)
{
if (window->cursor)
[(NSCursor*) window->cursor->ns.handle set];
else
[[NSCursor arrowCursor] set];
}
else
[(NSCursor*) _glfw.ns.cursor set];
}
// Enter fullscreen mode
//
static void enterFullscreenMode(_GLFWwindow* window)
{
if ([window->ns.view isInFullScreenMode])
return;
_glfwSetVideoMode(window->monitor, &window->videoMode);
NSDictionary* options = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:NO],
NSFullScreenModeAllScreens,
nil];
[window->ns.view enterFullScreenMode:window->monitor->ns.screen
withOptions:options];
// HACK: Synthesize focus event as window does not become key when the view
// is made full screen
// TODO: Remove this when moving to a full screen window
_glfwInputWindowFocus(window, GL_TRUE);
}
// Leave fullscreen mode
//
static void leaveFullscreenMode(_GLFWwindow* window)
{
if (![window->ns.view isInFullScreenMode])
return;
// HACK: Synthesize focus event as window does not become key when the view
// is made full screen
// TODO: Remove this when moving to a full screen window
_glfwInputWindowFocus(window, GL_FALSE);
_glfwRestoreVideoMode(window->monitor);
// Exit full screen after the video restore to avoid a nasty display
// flickering during the fade
[window->ns.view exitFullScreenModeWithOptions:nil];
}
// Transforms the specified y-coordinate between the CG display and NS screen
// coordinate systems
//
static float transformY(float y)
{
const float height = CGDisplayBounds(CGMainDisplayID()).size.height;
return height - y;
}
// Returns the backing rect of the specified window
//
static NSRect convertRectToBacking(_GLFWwindow* window, NSRect contentRect)
{
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6)
return [window->ns.view convertRectToBacking:contentRect];
else
#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
return contentRect;
}
//------------------------------------------------------------------------
// Delegate for window related notifications
//------------------------------------------------------------------------
@interface GLFWWindowDelegate : NSObject
{
_GLFWwindow* window;
}
- (id)initWithGlfwWindow:(_GLFWwindow *)initWndow;
@end
@implementation GLFWWindowDelegate
- (id)initWithGlfwWindow:(_GLFWwindow *)initWindow
{
self = [super init];
if (self != nil)
window = initWindow;
return self;
}
- (BOOL)windowShouldClose:(id)sender
{
_glfwInputWindowCloseRequest(window);
return NO;
}
- (void)windowDidResize:(NSNotification *)notification
{
[window->nsgl.context update];
const NSRect contentRect = [window->ns.view frame];
const NSRect fbRect = convertRectToBacking(window, contentRect);
_glfwInputFramebufferSize(window, fbRect.size.width, fbRect.size.height);
_glfwInputWindowSize(window, contentRect.size.width, contentRect.size.height);
_glfwInputWindowDamage(window);
if (window->cursorMode == GLFW_CURSOR_DISABLED)
centerCursor(window);
}
- (void)windowDidMove:(NSNotification *)notification
{
[window->nsgl.context update];
int x, y;
_glfwPlatformGetWindowPos(window, &x, &y);
_glfwInputWindowPos(window, x, y);
if (window->cursorMode == GLFW_CURSOR_DISABLED)
centerCursor(window);
}
- (void)windowDidMiniaturize:(NSNotification *)notification
{
_glfwInputWindowIconify(window, GL_TRUE);
}
- (void)windowDidDeminiaturize:(NSNotification *)notification
{
if (window->monitor)
enterFullscreenMode(window);
_glfwInputWindowIconify(window, GL_FALSE);
}
- (void)windowDidBecomeKey:(NSNotification *)notification
{
_glfwInputWindowFocus(window, GL_TRUE);
_glfwPlatformApplyCursorMode(window);
}
- (void)windowDidResignKey:(NSNotification *)notification
{
_glfwInputWindowFocus(window, GL_FALSE);
window->cursorMode = GLFW_CURSOR_NORMAL;
_glfwPlatformApplyCursorMode(window);
}
@end
//------------------------------------------------------------------------
// Delegate for application related notifications
//------------------------------------------------------------------------
@interface GLFWApplicationDelegate : NSObject
@end
@implementation GLFWApplicationDelegate
- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender
{
_GLFWwindow* window;
for (window = _glfw.windowListHead; window; window = window->next)
_glfwInputWindowCloseRequest(window);
return NSTerminateCancel;
}
- (void)applicationDidHide:(NSNotification *)notification
{
_GLFWwindow* window;
for (window = _glfw.windowListHead; window; window = window->next)
_glfwInputWindowVisibility(window, GL_FALSE);
}
- (void)applicationDidUnhide:(NSNotification *)notification
{
_GLFWwindow* window;
for (window = _glfw.windowListHead; window; window = window->next)
{
if ([window->ns.object isVisible])
_glfwInputWindowVisibility(window, GL_TRUE);
}
}
- (void)applicationDidChangeScreenParameters:(NSNotification *) notification
{
_glfwInputMonitorChange();
}
@end
// Translates OS X key modifiers into GLFW ones
//
static int translateFlags(NSUInteger flags)
{
int mods = 0;
if (flags & NSShiftKeyMask)
mods |= GLFW_MOD_SHIFT;
if (flags & NSControlKeyMask)
mods |= GLFW_MOD_CONTROL;
if (flags & NSAlternateKeyMask)
mods |= GLFW_MOD_ALT;
if (flags & NSCommandKeyMask)
mods |= GLFW_MOD_SUPER;
return mods;
}
// Translates a OS X keycode to a GLFW keycode
//
static int translateKey(unsigned int key)
{
// Keyboard symbol translation table
static const unsigned int table[128] =
{
/* 00 */ GLFW_KEY_A,
/* 01 */ GLFW_KEY_S,
/* 02 */ GLFW_KEY_D,
/* 03 */ GLFW_KEY_F,
/* 04 */ GLFW_KEY_H,
/* 05 */ GLFW_KEY_G,
/* 06 */ GLFW_KEY_Z,
/* 07 */ GLFW_KEY_X,
/* 08 */ GLFW_KEY_C,
/* 09 */ GLFW_KEY_V,
/* 0a */ GLFW_KEY_WORLD_1,
/* 0b */ GLFW_KEY_B,
/* 0c */ GLFW_KEY_Q,
/* 0d */ GLFW_KEY_W,
/* 0e */ GLFW_KEY_E,
/* 0f */ GLFW_KEY_R,
/* 10 */ GLFW_KEY_Y,
/* 11 */ GLFW_KEY_T,
/* 12 */ GLFW_KEY_1,
/* 13 */ GLFW_KEY_2,
/* 14 */ GLFW_KEY_3,
/* 15 */ GLFW_KEY_4,
/* 16 */ GLFW_KEY_6,
/* 17 */ GLFW_KEY_5,
/* 18 */ GLFW_KEY_EQUAL,
/* 19 */ GLFW_KEY_9,
/* 1a */ GLFW_KEY_7,
/* 1b */ GLFW_KEY_MINUS,
/* 1c */ GLFW_KEY_8,
/* 1d */ GLFW_KEY_0,
/* 1e */ GLFW_KEY_RIGHT_BRACKET,
/* 1f */ GLFW_KEY_O,
/* 20 */ GLFW_KEY_U,
/* 21 */ GLFW_KEY_LEFT_BRACKET,
/* 22 */ GLFW_KEY_I,
/* 23 */ GLFW_KEY_P,
/* 24 */ GLFW_KEY_ENTER,
/* 25 */ GLFW_KEY_L,
/* 26 */ GLFW_KEY_J,
/* 27 */ GLFW_KEY_APOSTROPHE,
/* 28 */ GLFW_KEY_K,
/* 29 */ GLFW_KEY_SEMICOLON,
/* 2a */ GLFW_KEY_BACKSLASH,
/* 2b */ GLFW_KEY_COMMA,
/* 2c */ GLFW_KEY_SLASH,
/* 2d */ GLFW_KEY_N,
/* 2e */ GLFW_KEY_M,
/* 2f */ GLFW_KEY_PERIOD,
/* 30 */ GLFW_KEY_TAB,
/* 31 */ GLFW_KEY_SPACE,
/* 32 */ GLFW_KEY_GRAVE_ACCENT,
/* 33 */ GLFW_KEY_BACKSPACE,
/* 34 */ GLFW_KEY_UNKNOWN,
/* 35 */ GLFW_KEY_ESCAPE,
/* 36 */ GLFW_KEY_RIGHT_SUPER,
/* 37 */ GLFW_KEY_LEFT_SUPER,
/* 38 */ GLFW_KEY_LEFT_SHIFT,
/* 39 */ GLFW_KEY_CAPS_LOCK,
/* 3a */ GLFW_KEY_LEFT_ALT,
/* 3b */ GLFW_KEY_LEFT_CONTROL,
/* 3c */ GLFW_KEY_RIGHT_SHIFT,
/* 3d */ GLFW_KEY_RIGHT_ALT,
/* 3e */ GLFW_KEY_RIGHT_CONTROL,
/* 3f */ GLFW_KEY_UNKNOWN, /* Function */
/* 40 */ GLFW_KEY_F17,
/* 41 */ GLFW_KEY_KP_DECIMAL,
/* 42 */ GLFW_KEY_UNKNOWN,
/* 43 */ GLFW_KEY_KP_MULTIPLY,
/* 44 */ GLFW_KEY_UNKNOWN,
/* 45 */ GLFW_KEY_KP_ADD,
/* 46 */ GLFW_KEY_UNKNOWN,
/* 47 */ GLFW_KEY_NUM_LOCK, /* Really KeypadClear... */
/* 48 */ GLFW_KEY_UNKNOWN, /* VolumeUp */
/* 49 */ GLFW_KEY_UNKNOWN, /* VolumeDown */
/* 4a */ GLFW_KEY_UNKNOWN, /* Mute */
/* 4b */ GLFW_KEY_KP_DIVIDE,
/* 4c */ GLFW_KEY_KP_ENTER,
/* 4d */ GLFW_KEY_UNKNOWN,
/* 4e */ GLFW_KEY_KP_SUBTRACT,
/* 4f */ GLFW_KEY_F18,
/* 50 */ GLFW_KEY_F19,
/* 51 */ GLFW_KEY_KP_EQUAL,
/* 52 */ GLFW_KEY_KP_0,
/* 53 */ GLFW_KEY_KP_1,
/* 54 */ GLFW_KEY_KP_2,
/* 55 */ GLFW_KEY_KP_3,
/* 56 */ GLFW_KEY_KP_4,
/* 57 */ GLFW_KEY_KP_5,
/* 58 */ GLFW_KEY_KP_6,
/* 59 */ GLFW_KEY_KP_7,
/* 5a */ GLFW_KEY_F20,
/* 5b */ GLFW_KEY_KP_8,
/* 5c */ GLFW_KEY_KP_9,
/* 5d */ GLFW_KEY_UNKNOWN,
/* 5e */ GLFW_KEY_UNKNOWN,
/* 5f */ GLFW_KEY_UNKNOWN,
/* 60 */ GLFW_KEY_F5,
/* 61 */ GLFW_KEY_F6,
/* 62 */ GLFW_KEY_F7,
/* 63 */ GLFW_KEY_F3,
/* 64 */ GLFW_KEY_F8,
/* 65 */ GLFW_KEY_F9,
/* 66 */ GLFW_KEY_UNKNOWN,
/* 67 */ GLFW_KEY_F11,
/* 68 */ GLFW_KEY_UNKNOWN,
/* 69 */ GLFW_KEY_F13,
/* 6a */ GLFW_KEY_F16,
/* 6b */ GLFW_KEY_F14,
/* 6c */ GLFW_KEY_UNKNOWN,
/* 6d */ GLFW_KEY_F10,
/* 6e */ GLFW_KEY_UNKNOWN,
/* 6f */ GLFW_KEY_F12,
/* 70 */ GLFW_KEY_UNKNOWN,
/* 71 */ GLFW_KEY_F15,
/* 72 */ GLFW_KEY_INSERT, /* Really Help... */
/* 73 */ GLFW_KEY_HOME,
/* 74 */ GLFW_KEY_PAGE_UP,
/* 75 */ GLFW_KEY_DELETE,
/* 76 */ GLFW_KEY_F4,
/* 77 */ GLFW_KEY_END,
/* 78 */ GLFW_KEY_F2,
/* 79 */ GLFW_KEY_PAGE_DOWN,
/* 7a */ GLFW_KEY_F1,
/* 7b */ GLFW_KEY_LEFT,
/* 7c */ GLFW_KEY_RIGHT,
/* 7d */ GLFW_KEY_DOWN,
/* 7e */ GLFW_KEY_UP,
/* 7f */ GLFW_KEY_UNKNOWN,
};
if (key >= 128)
return GLFW_KEY_UNKNOWN;
return table[key];
}
//------------------------------------------------------------------------
// Content view class for the GLFW window
//------------------------------------------------------------------------
@interface GLFWContentView : NSView
{
_GLFWwindow* window;
NSTrackingArea* trackingArea;
}
- (id)initWithGlfwWindow:(_GLFWwindow *)initWindow;
@end
@implementation GLFWContentView
+ (void)initialize
{
if (self == [GLFWContentView class])
{
if (_glfw.ns.cursor == nil)
{
NSImage* data = [[NSImage alloc] initWithSize:NSMakeSize(16, 16)];
_glfw.ns.cursor = [[NSCursor alloc] initWithImage:data
hotSpot:NSZeroPoint];
[data release];
}
}
}
- (id)initWithGlfwWindow:(_GLFWwindow *)initWindow
{
self = [super init];
if (self != nil)
{
window = initWindow;
trackingArea = nil;
[self updateTrackingAreas];
[self registerForDraggedTypes:[NSArray arrayWithObjects:
NSFilenamesPboardType, nil]];
}
return self;
}
-(void)dealloc
{
[trackingArea release];
[super dealloc];
}
- (BOOL)isOpaque
{
return YES;
}
- (BOOL)canBecomeKeyView
{
return YES;
}
- (BOOL)acceptsFirstResponder
{
return YES;
}
- (void)cursorUpdate:(NSEvent *)event
{
setModeCursor(window);
}
- (void)mouseDown:(NSEvent *)event
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_LEFT,
GLFW_PRESS,
translateFlags([event modifierFlags]));
}
- (void)mouseDragged:(NSEvent *)event
{
[self mouseMoved:event];
}
- (void)mouseUp:(NSEvent *)event
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_LEFT,
GLFW_RELEASE,
translateFlags([event modifierFlags]));
}
- (void)mouseMoved:(NSEvent *)event
{
if (window->cursorMode == GLFW_CURSOR_DISABLED)
_glfwInputCursorMotion(window, [event deltaX], [event deltaY]);
else
{
const NSRect contentRect = [window->ns.view frame];
const NSPoint p = [event locationInWindow];
_glfwInputCursorMotion(window, p.x, contentRect.size.height - p.y);
}
}
- (void)rightMouseDown:(NSEvent *)event
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_RIGHT,
GLFW_PRESS,
translateFlags([event modifierFlags]));
}
- (void)rightMouseDragged:(NSEvent *)event
{
[self mouseMoved:event];
}
- (void)rightMouseUp:(NSEvent *)event
{
_glfwInputMouseClick(window,
GLFW_MOUSE_BUTTON_RIGHT,
GLFW_RELEASE,
translateFlags([event modifierFlags]));
}
- (void)otherMouseDown:(NSEvent *)event
{
_glfwInputMouseClick(window,
(int) [event buttonNumber],
GLFW_PRESS,
translateFlags([event modifierFlags]));
}
- (void)otherMouseDragged:(NSEvent *)event
{
[self mouseMoved:event];
}
- (void)otherMouseUp:(NSEvent *)event
{
_glfwInputMouseClick(window,
(int) [event buttonNumber],
GLFW_RELEASE,
translateFlags([event modifierFlags]));
}
- (void)mouseExited:(NSEvent *)event
{
window->ns.cursorInside = GL_FALSE;
_glfwInputCursorEnter(window, GL_FALSE);
}
- (void)mouseEntered:(NSEvent *)event
{
window->ns.cursorInside = GL_TRUE;
_glfwInputCursorEnter(window, GL_TRUE);
}
- (void)viewDidChangeBackingProperties
{
const NSRect contentRect = [window->ns.view frame];
const NSRect fbRect = convertRectToBacking(window, contentRect);
_glfwInputFramebufferSize(window, fbRect.size.width, fbRect.size.height);
}
- (void)updateTrackingAreas
{
if (trackingArea != nil)
{
[self removeTrackingArea:trackingArea];
[trackingArea release];
}
NSTrackingAreaOptions options = NSTrackingMouseEnteredAndExited |
NSTrackingActiveInKeyWindow |
NSTrackingCursorUpdate |
NSTrackingInVisibleRect;
trackingArea = [[NSTrackingArea alloc] initWithRect:[self bounds]
options:options
owner:self
userInfo:nil];
[self addTrackingArea:trackingArea];
[super updateTrackingAreas];
}
- (void)keyDown:(NSEvent *)event
{
const int key = translateKey([event keyCode]);
const int mods = translateFlags([event modifierFlags]);
_glfwInputKey(window, key, [event keyCode], GLFW_PRESS, mods);
NSString* characters = [event characters];
NSUInteger i, length = [characters length];
for (i = 0; i < length; i++)
_glfwInputChar(window, [characters characterAtIndex:i]);
}
- (void)flagsChanged:(NSEvent *)event
{
int action;
unsigned int newModifierFlags =
[event modifierFlags] & NSDeviceIndependentModifierFlagsMask;
if (newModifierFlags > window->ns.modifierFlags)
action = GLFW_PRESS;
else
action = GLFW_RELEASE;
window->ns.modifierFlags = newModifierFlags;
const int key = translateKey([event keyCode]);
const int mods = translateFlags([event modifierFlags]);
_glfwInputKey(window, key, [event keyCode], action, mods);
}
- (void)keyUp:(NSEvent *)event
{
const int key = translateKey([event keyCode]);
const int mods = translateFlags([event modifierFlags]);
_glfwInputKey(window, key, [event keyCode], GLFW_RELEASE, mods);
}
- (void)scrollWheel:(NSEvent *)event
{
double deltaX, deltaY;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6)
{
deltaX = [event scrollingDeltaX];
deltaY = [event scrollingDeltaY];
if ([event hasPreciseScrollingDeltas])
{
deltaX *= 0.1;
deltaY *= 0.1;
}
}
else
#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
{
deltaX = [event deltaX];
deltaY = [event deltaY];
}
if (fabs(deltaX) > 0.0 || fabs(deltaY) > 0.0)
_glfwInputScroll(window, deltaX, deltaY);
}
- (void)resetCursorRects
{
// This makes the cursor dissapear when the window is
// resized or received a drag operation
[self discardCursorRects];
[self addCursorRect:[self bounds] cursor:_glfw.ns.cursor];
}
- (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
{
if ((NSDragOperationGeneric & [sender draggingSourceOperationMask])
== NSDragOperationGeneric)
{
[self setNeedsDisplay:YES];
return NSDragOperationGeneric;
}
return NSDragOperationNone;
}
- (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender
{
[self setNeedsDisplay:YES];
return YES;
}
- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
{
NSPasteboard* pasteboard = [sender draggingPasteboard];
NSArray* files = [pasteboard propertyListForType:NSFilenamesPboardType];
int height;
_glfwPlatformGetWindowSize(window, NULL, &height);
_glfwInputCursorMotion(window,
[sender draggingLocation].x,
height - [sender draggingLocation].y);
const int count = [files count];
if (count)
{
NSEnumerator* e = [files objectEnumerator];
char** names = calloc(count, sizeof(char*));
int i;
for (i = 0; i < count; i++)
names[i] = strdup([[e nextObject] UTF8String]);
_glfwInputDrop(window, count, (const char**) names);
for (i = 0; i < count; i++)
free(names[i]);
free(names);
}
return YES;
}
- (void)concludeDragOperation:(id <NSDraggingInfo>)sender
{
[self setNeedsDisplay:YES];
}
@end
//------------------------------------------------------------------------
// GLFW window class
//------------------------------------------------------------------------
@interface GLFWWindow : NSWindow {}
@end
@implementation GLFWWindow
- (BOOL)canBecomeKeyWindow
{
// Required for NSBorderlessWindowMask windows
return YES;
}
@end
//------------------------------------------------------------------------
// GLFW application class
//------------------------------------------------------------------------
@interface GLFWApplication : NSApplication
@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] == NSKeyUp && ([event modifierFlags] & NSCommandKeyMask))
[[self keyWindow] sendEvent:event];
else
[super sendEvent:event];
}
@end
#if defined(_GLFW_USE_MENUBAR)
// Try to figure out what the calling application is called
//
static NSString* findAppName(void)
{
size_t i;
NSDictionary* infoDictionary = [[NSBundle mainBundle] infoDictionary];
// Keys to search for as potential application names
NSString* GLFWNameKeys[] =
{
@"CFBundleDisplayName",
@"CFBundleName",
@"CFBundleExecutable",
};
for (i = 0; i < sizeof(GLFWNameKeys) / sizeof(GLFWNameKeys[0]); i++)
{
id name = [infoDictionary objectForKey:GLFWNameKeys[i]];
if (name &&
[name isKindOfClass:[NSString class]] &&
![name isEqualToString:@""])
{
return name;
}
}
char** progname = _NSGetProgname();
if (progname && *progname)
return [NSString stringWithUTF8String:*progname];
// Really shouldn't get here
return @"GLFW Application";
}
// 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
// localize(d|able), etc. Loading a nib would save us this horror, but that
// doesn't seem like a good thing to require of GLFW's clients.
//
static void createMenuBar(void)
{
NSString* appName = findAppName();
NSMenu* bar = [[NSMenu alloc] init];
[NSApp setMainMenu:bar];
NSMenuItem* appMenuItem =
[bar addItemWithTitle:@"" action:NULL keyEquivalent:@""];
NSMenu* appMenu = [[NSMenu alloc] init];
[appMenuItem setSubmenu:appMenu];
[appMenu addItemWithTitle:[NSString stringWithFormat:@"About %@", appName]
action:@selector(orderFrontStandardAboutPanel:)
keyEquivalent:@""];
[appMenu addItem:[NSMenuItem separatorItem]];
NSMenu* servicesMenu = [[NSMenu alloc] init];
[NSApp setServicesMenu:servicesMenu];
[[appMenu addItemWithTitle:@"Services"
action:NULL
keyEquivalent:@""] setSubmenu:servicesMenu];
[appMenu addItem:[NSMenuItem separatorItem]];
[appMenu addItemWithTitle:[NSString stringWithFormat:@"Hide %@", appName]
action:@selector(hide:)
keyEquivalent:@"h"];
[[appMenu addItemWithTitle:@"Hide Others"
action:@selector(hideOtherApplications:)
keyEquivalent:@"h"]
setKeyEquivalentModifierMask:NSAlternateKeyMask | NSCommandKeyMask];
[appMenu addItemWithTitle:@"Show All"
action:@selector(unhideAllApplications:)
keyEquivalent:@""];
[appMenu addItem:[NSMenuItem separatorItem]];
[appMenu addItemWithTitle:[NSString stringWithFormat:@"Quit %@", appName]
action:@selector(terminate:)
keyEquivalent:@"q"];
NSMenuItem* windowMenuItem =
[bar addItemWithTitle:@"" action:NULL keyEquivalent:@""];
NSMenu* windowMenu = [[NSMenu alloc] initWithTitle:@"Window"];
[NSApp setWindowsMenu:windowMenu];
[windowMenuItem setSubmenu:windowMenu];
[windowMenu addItemWithTitle:@"Minimize"
action:@selector(performMiniaturize:)
keyEquivalent:@"m"];
[windowMenu addItemWithTitle:@"Zoom"
action:@selector(performZoom:)
keyEquivalent:@""];
[windowMenu addItem:[NSMenuItem separatorItem]];
[windowMenu addItemWithTitle:@"Bring All to Front"
action:@selector(arrangeInFront:)
keyEquivalent:@""];
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6)
{
// TODO: Make this appear at the bottom of the menu (for consistency)
[windowMenu addItem:[NSMenuItem separatorItem]];
[[windowMenu addItemWithTitle:@"Enter Full Screen"
action:@selector(toggleFullScreen:)
keyEquivalent:@"f"]
setKeyEquivalentModifierMask:NSControlKeyMask | NSCommandKeyMask];
}
#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
// Prior to Snow Leopard, we need to use this oddly-named semi-private API
// to get the application menu working properly.
SEL setAppleMenuSelector = NSSelectorFromString(@"setAppleMenu:");
[NSApp performSelector:setAppleMenuSelector withObject:appMenu];
}
#endif /* _GLFW_USE_MENUBAR */
// Initialize the Cocoa Application Kit
//
static GLboolean initializeAppKit(void)
{
if (NSApp)
return GL_TRUE;
// Implicitly create shared NSApplication instance
[GLFWApplication sharedApplication];
// In case we are unbundled, make us a proper UI application
[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
#if defined(_GLFW_USE_MENUBAR)
// Menu bar setup must go between sharedApplication above and
// finishLaunching below, in order to properly emulate the behavior
// of NSApplicationMain
createMenuBar();
#endif
[NSApp finishLaunching];
return GL_TRUE;
}
// Create the Cocoa window
//
static GLboolean createWindow(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig)
{
unsigned int styleMask = 0;
if (wndconfig->monitor || !wndconfig->decorated)
styleMask = NSBorderlessWindowMask;
else
{
styleMask = NSTitledWindowMask | NSClosableWindowMask |
NSMiniaturizableWindowMask;
if (wndconfig->resizable)
styleMask |= NSResizableWindowMask;
}
window->ns.object = [[GLFWWindow alloc]
initWithContentRect:NSMakeRect(0, 0, wndconfig->width, wndconfig->height)
styleMask:styleMask
backing:NSBackingStoreBuffered
defer:NO];
if (window->ns.object == nil)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Cocoa: Failed to create window");
return GL_FALSE;
}
window->ns.view = [[GLFWContentView alloc] initWithGlfwWindow:window];
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6)
{
#if defined(_GLFW_USE_RETINA)
[window->ns.view setWantsBestResolutionOpenGLSurface:YES];
#endif
if (wndconfig->resizable)
[window->ns.object setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];
}
#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
[window->ns.object setTitle:[NSString stringWithUTF8String:wndconfig->title]];
[window->ns.object setContentView:window->ns.view];
[window->ns.object setDelegate:window->ns.delegate];
[window->ns.object setAcceptsMouseMovedEvents:YES];
[window->ns.object center];
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6)
[window->ns.object setRestorable:NO];
#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
return GL_TRUE;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformCreateWindow(_GLFWwindow* window,
const _GLFWwndconfig* wndconfig,
const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig)
{
if (!initializeAppKit())
return GL_FALSE;
// 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
if (_glfw.ns.delegate == nil)
{
_glfw.ns.delegate = [[GLFWApplicationDelegate alloc] init];
if (_glfw.ns.delegate == nil)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to create application delegate");
return GL_FALSE;
}
[NSApp setDelegate:_glfw.ns.delegate];
}
window->ns.delegate = [[GLFWWindowDelegate alloc] initWithGlfwWindow:window];
if (window->ns.delegate == nil)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to create window delegate");
return GL_FALSE;
}
if (!createWindow(window, wndconfig))
return GL_FALSE;
if (!_glfwCreateContext(window, ctxconfig, fbconfig))
return GL_FALSE;
[window->nsgl.context setView:window->ns.view];
if (wndconfig->monitor)
enterFullscreenMode(window);
return GL_TRUE;
}
void _glfwPlatformDestroyWindow(_GLFWwindow* window)
{
[window->ns.object orderOut:nil];
if (window->monitor)
leaveFullscreenMode(window);
_glfwDestroyContext(window);
[window->ns.object setDelegate:nil];
[window->ns.delegate release];
window->ns.delegate = nil;
[window->ns.view release];
window->ns.view = nil;
[window->ns.object close];
window->ns.object = nil;
}
void _glfwPlatformSetWindowTitle(_GLFWwindow* window, const char *title)
{
[window->ns.object setTitle:[NSString stringWithUTF8String:title]];
}
void _glfwPlatformGetWindowPos(_GLFWwindow* window, int* xpos, int* ypos)
{
const NSRect contentRect =
[window->ns.object contentRectForFrameRect:[window->ns.object frame]];
if (xpos)
*xpos = contentRect.origin.x;
if (ypos)
*ypos = transformY(contentRect.origin.y + contentRect.size.height);
}
void _glfwPlatformSetWindowPos(_GLFWwindow* window, int x, int y)
{
const NSRect contentRect = [window->ns.view frame];
const NSRect dummyRect = NSMakeRect(x, transformY(y + contentRect.size.height), 0, 0);
const NSRect frameRect = [window->ns.object frameRectForContentRect:dummyRect];
[window->ns.object setFrameOrigin:frameRect.origin];
}
void _glfwPlatformGetWindowSize(_GLFWwindow* window, int* width, int* height)
{
const NSRect contentRect = [window->ns.view frame];
if (width)
*width = contentRect.size.width;
if (height)
*height = contentRect.size.height;
}
void _glfwPlatformSetWindowSize(_GLFWwindow* window, int width, int height)
{
[window->ns.object setContentSize:NSMakeSize(width, height)];
}
void _glfwPlatformGetFramebufferSize(_GLFWwindow* window, int* width, int* height)
{
const NSRect contentRect = [window->ns.view frame];
const NSRect fbRect = convertRectToBacking(window, contentRect);
if (width)
*width = (int) fbRect.size.width;
if (height)
*height = (int) fbRect.size.height;
}
void _glfwPlatformIconifyWindow(_GLFWwindow* window)
{
if (window->monitor)
leaveFullscreenMode(window);
[window->ns.object miniaturize:nil];
}
void _glfwPlatformRestoreWindow(_GLFWwindow* window)
{
[window->ns.object deminiaturize:nil];
}
void _glfwPlatformShowWindow(_GLFWwindow* window)
{
// Make us the active application
// HACK: This has been moved here from initializeAppKit to prevent
// applications using only hidden windows from being activated, but
// should probably not be done every time any window is shown
[NSApp activateIgnoringOtherApps:YES];
[window->ns.object makeKeyAndOrderFront:nil];
_glfwInputWindowVisibility(window, GL_TRUE);
}
void _glfwPlatformHideWindow(_GLFWwindow* window)
{
[window->ns.object orderOut:nil];
_glfwInputWindowVisibility(window, GL_FALSE);
}
void _glfwPlatformPollEvents(void)
{
for (;;)
{
NSEvent* event = [NSApp nextEventMatchingMask:NSAnyEventMask
untilDate:[NSDate distantPast]
inMode:NSDefaultRunLoopMode
dequeue:YES];
if (event == nil)
break;
[NSApp sendEvent:event];
}
[_glfw.ns.autoreleasePool drain];
_glfw.ns.autoreleasePool = [[NSAutoreleasePool alloc] init];
}
void _glfwPlatformWaitEvents(void)
{
// I wanted to pass NO to dequeue:, and rely on PollEvents to
// dequeue and send. For reasons not at all clear to me, passing
// NO to dequeue: causes this method never to return.
NSEvent *event = [NSApp nextEventMatchingMask:NSAnyEventMask
untilDate:[NSDate distantFuture]
inMode:NSDefaultRunLoopMode
dequeue:YES];
[NSApp sendEvent:event];
_glfwPlatformPollEvents();
}
void _glfwPlatformPostEmptyEvent(void)
{
NSEvent* event = [NSEvent otherEventWithType:NSApplicationDefined
location:NSMakePoint(0, 0)
modifierFlags:0
timestamp:0
windowNumber:0
context:nil
subtype:0
data1:0
data2:0];
[NSApp postEvent:event atStart:YES];
}
void _glfwPlatformSetCursorPos(_GLFWwindow* window, double x, double y)
{
setModeCursor(window);
if (window->monitor)
{
CGDisplayMoveCursorToPoint(window->monitor->ns.displayID,
CGPointMake(x, y));
}
else
{
const NSRect contentRect = [window->ns.view frame];
const NSPoint localPoint = NSMakePoint(x, contentRect.size.height - y - 1);
const NSPoint globalPoint = [window->ns.object convertBaseToScreen:localPoint];
CGWarpMouseCursorPosition(CGPointMake(globalPoint.x,
transformY(globalPoint.y)));
}
}
void _glfwPlatformApplyCursorMode(_GLFWwindow* window)
{
setModeCursor(window);
if (window->cursorMode == GLFW_CURSOR_DISABLED)
{
CGAssociateMouseAndMouseCursorPosition(false);
centerCursor(window);
}
else
CGAssociateMouseAndMouseCursorPosition(true);
}
int _glfwPlatformCreateCursor(_GLFWcursor* cursor, int width, int height, int cx, int cy,
int format, const void* data)
{
NSImage* image;
NSBitmapImageRep* rep;
rep = [[NSBitmapImageRep alloc]
initWithBitmapDataPlanes:NULL
pixelsWide:width
pixelsHigh:height
bitsPerSample:8
samplesPerPixel:4
hasAlpha:YES
isPlanar:NO
colorSpaceName:NSCalibratedRGBColorSpace
bitmapFormat:NSAlphaNonpremultipliedBitmapFormat
bytesPerRow:width * 4
bitsPerPixel:32];
if (rep == nil)
return GL_FALSE;
memcpy([rep bitmapData], data, 4 * width * height);
image = [[NSImage alloc] initWithSize:NSMakeSize(width, height)];
[image addRepresentation: rep];
cursor->ns.handle = [[NSCursor alloc] initWithImage:image
hotSpot:NSMakePoint(cx, cy)];
[image release];
[rep release];
if (cursor->ns.handle == nil)
return GL_FALSE;
return GL_TRUE;
}
void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
{
[(NSCursor*) cursor->ns.handle release];
}
void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
{
if (window->cursorMode == GLFW_CURSOR_NORMAL && window->ns.cursorInside)
{
if (cursor)
[(NSCursor*) cursor->ns.handle set];
else
[[NSCursor arrowCursor] set];
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI id glfwGetCocoaWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(nil);
return window->ns.object;
}