glfw/src/cocoa_init.m
Camilla Löwy 04522580ad Add C dialect reminders to each source file
Files built for Win32 must use C89 style declarations for compatibility
with VS 2010 and 2012, which are still supported by GLFW.

(cherry picked from commit 56aad76b16)
2019-05-27 16:33:22 +02:00

597 lines
20 KiB
Objective-C

//========================================================================
// GLFW 3.3 macOS - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2009-2019 Camilla Löwy <elmindreda@glfw.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.
//
//========================================================================
// It is fine to use C99 in this file because it will not be built with VS
//========================================================================
#include "internal.h"
#include <sys/param.h> // For MAXPATHLEN
// Needed for _NSGetProgname
#include <crt_externs.h>
// Change to our application bundle's resources directory, if present
//
static void changeToResourcesDirectory(void)
{
char resourcesPath[MAXPATHLEN];
CFBundleRef bundle = CFBundleGetMainBundle();
if (!bundle)
return;
CFURLRef resourcesURL = CFBundleCopyResourcesDirectoryURL(bundle);
CFStringRef last = CFURLCopyLastPathComponent(resourcesURL);
if (CFStringCompare(CFSTR("Resources"), last, 0) != kCFCompareEqualTo)
{
CFRelease(last);
CFRelease(resourcesURL);
return;
}
CFRelease(last);
if (!CFURLGetFileSystemRepresentation(resourcesURL,
true,
(UInt8*) resourcesPath,
MAXPATHLEN))
{
CFRelease(resourcesURL);
return;
}
CFRelease(resourcesURL);
chdir(resourcesPath);
}
// 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. Add a nib to save us this horror.
//
static void createMenuBar(void)
{
size_t i;
NSString* appName = nil;
NSDictionary* bundleInfo = [[NSBundle mainBundle] infoDictionary];
NSString* nameKeys[] =
{
@"CFBundleDisplayName",
@"CFBundleName",
@"CFBundleExecutable",
};
// Try to figure out what the calling application is called
for (i = 0; i < sizeof(nameKeys) / sizeof(nameKeys[0]); i++)
{
id name = bundleInfo[nameKeys[i]];
if (name &&
[name isKindOfClass:[NSString class]] &&
![name isEqualToString:@""])
{
appName = name;
break;
}
}
if (!appName)
{
char** progname = _NSGetProgname();
if (progname && *progname)
appName = @(*progname);
else
appName = @"GLFW Application";
}
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];
[servicesMenu release];
[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:NSEventModifierFlagOption | NSEventModifierFlagCommand];
[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:@""];
[bar release];
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:@""];
// 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:NSEventModifierFlagControl | NSEventModifierFlagCommand];
// 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];
}
// Create key code translation tables
//
static void createKeyTables(void)
{
int scancode;
memset(_glfw.ns.keycodes, -1, sizeof(_glfw.ns.keycodes));
memset(_glfw.ns.scancodes, -1, sizeof(_glfw.ns.scancodes));
_glfw.ns.keycodes[0x1D] = GLFW_KEY_0;
_glfw.ns.keycodes[0x12] = GLFW_KEY_1;
_glfw.ns.keycodes[0x13] = GLFW_KEY_2;
_glfw.ns.keycodes[0x14] = GLFW_KEY_3;
_glfw.ns.keycodes[0x15] = GLFW_KEY_4;
_glfw.ns.keycodes[0x17] = GLFW_KEY_5;
_glfw.ns.keycodes[0x16] = GLFW_KEY_6;
_glfw.ns.keycodes[0x1A] = GLFW_KEY_7;
_glfw.ns.keycodes[0x1C] = GLFW_KEY_8;
_glfw.ns.keycodes[0x19] = GLFW_KEY_9;
_glfw.ns.keycodes[0x00] = GLFW_KEY_A;
_glfw.ns.keycodes[0x0B] = GLFW_KEY_B;
_glfw.ns.keycodes[0x08] = GLFW_KEY_C;
_glfw.ns.keycodes[0x02] = GLFW_KEY_D;
_glfw.ns.keycodes[0x0E] = GLFW_KEY_E;
_glfw.ns.keycodes[0x03] = GLFW_KEY_F;
_glfw.ns.keycodes[0x05] = GLFW_KEY_G;
_glfw.ns.keycodes[0x04] = GLFW_KEY_H;
_glfw.ns.keycodes[0x22] = GLFW_KEY_I;
_glfw.ns.keycodes[0x26] = GLFW_KEY_J;
_glfw.ns.keycodes[0x28] = GLFW_KEY_K;
_glfw.ns.keycodes[0x25] = GLFW_KEY_L;
_glfw.ns.keycodes[0x2E] = GLFW_KEY_M;
_glfw.ns.keycodes[0x2D] = GLFW_KEY_N;
_glfw.ns.keycodes[0x1F] = GLFW_KEY_O;
_glfw.ns.keycodes[0x23] = GLFW_KEY_P;
_glfw.ns.keycodes[0x0C] = GLFW_KEY_Q;
_glfw.ns.keycodes[0x0F] = GLFW_KEY_R;
_glfw.ns.keycodes[0x01] = GLFW_KEY_S;
_glfw.ns.keycodes[0x11] = GLFW_KEY_T;
_glfw.ns.keycodes[0x20] = GLFW_KEY_U;
_glfw.ns.keycodes[0x09] = GLFW_KEY_V;
_glfw.ns.keycodes[0x0D] = GLFW_KEY_W;
_glfw.ns.keycodes[0x07] = GLFW_KEY_X;
_glfw.ns.keycodes[0x10] = GLFW_KEY_Y;
_glfw.ns.keycodes[0x06] = GLFW_KEY_Z;
_glfw.ns.keycodes[0x27] = GLFW_KEY_APOSTROPHE;
_glfw.ns.keycodes[0x2A] = GLFW_KEY_BACKSLASH;
_glfw.ns.keycodes[0x2B] = GLFW_KEY_COMMA;
_glfw.ns.keycodes[0x18] = GLFW_KEY_EQUAL;
_glfw.ns.keycodes[0x32] = GLFW_KEY_GRAVE_ACCENT;
_glfw.ns.keycodes[0x21] = GLFW_KEY_LEFT_BRACKET;
_glfw.ns.keycodes[0x1B] = GLFW_KEY_MINUS;
_glfw.ns.keycodes[0x2F] = GLFW_KEY_PERIOD;
_glfw.ns.keycodes[0x1E] = GLFW_KEY_RIGHT_BRACKET;
_glfw.ns.keycodes[0x29] = GLFW_KEY_SEMICOLON;
_glfw.ns.keycodes[0x2C] = GLFW_KEY_SLASH;
_glfw.ns.keycodes[0x0A] = GLFW_KEY_WORLD_1;
_glfw.ns.keycodes[0x33] = GLFW_KEY_BACKSPACE;
_glfw.ns.keycodes[0x39] = GLFW_KEY_CAPS_LOCK;
_glfw.ns.keycodes[0x75] = GLFW_KEY_DELETE;
_glfw.ns.keycodes[0x7D] = GLFW_KEY_DOWN;
_glfw.ns.keycodes[0x77] = GLFW_KEY_END;
_glfw.ns.keycodes[0x24] = GLFW_KEY_ENTER;
_glfw.ns.keycodes[0x35] = GLFW_KEY_ESCAPE;
_glfw.ns.keycodes[0x7A] = GLFW_KEY_F1;
_glfw.ns.keycodes[0x78] = GLFW_KEY_F2;
_glfw.ns.keycodes[0x63] = GLFW_KEY_F3;
_glfw.ns.keycodes[0x76] = GLFW_KEY_F4;
_glfw.ns.keycodes[0x60] = GLFW_KEY_F5;
_glfw.ns.keycodes[0x61] = GLFW_KEY_F6;
_glfw.ns.keycodes[0x62] = GLFW_KEY_F7;
_glfw.ns.keycodes[0x64] = GLFW_KEY_F8;
_glfw.ns.keycodes[0x65] = GLFW_KEY_F9;
_glfw.ns.keycodes[0x6D] = GLFW_KEY_F10;
_glfw.ns.keycodes[0x67] = GLFW_KEY_F11;
_glfw.ns.keycodes[0x6F] = GLFW_KEY_F12;
_glfw.ns.keycodes[0x69] = GLFW_KEY_F13;
_glfw.ns.keycodes[0x6B] = GLFW_KEY_F14;
_glfw.ns.keycodes[0x71] = GLFW_KEY_F15;
_glfw.ns.keycodes[0x6A] = GLFW_KEY_F16;
_glfw.ns.keycodes[0x40] = GLFW_KEY_F17;
_glfw.ns.keycodes[0x4F] = GLFW_KEY_F18;
_glfw.ns.keycodes[0x50] = GLFW_KEY_F19;
_glfw.ns.keycodes[0x5A] = GLFW_KEY_F20;
_glfw.ns.keycodes[0x73] = GLFW_KEY_HOME;
_glfw.ns.keycodes[0x72] = GLFW_KEY_INSERT;
_glfw.ns.keycodes[0x7B] = GLFW_KEY_LEFT;
_glfw.ns.keycodes[0x3A] = GLFW_KEY_LEFT_ALT;
_glfw.ns.keycodes[0x3B] = GLFW_KEY_LEFT_CONTROL;
_glfw.ns.keycodes[0x38] = GLFW_KEY_LEFT_SHIFT;
_glfw.ns.keycodes[0x37] = GLFW_KEY_LEFT_SUPER;
_glfw.ns.keycodes[0x6E] = GLFW_KEY_MENU;
_glfw.ns.keycodes[0x47] = GLFW_KEY_NUM_LOCK;
_glfw.ns.keycodes[0x79] = GLFW_KEY_PAGE_DOWN;
_glfw.ns.keycodes[0x74] = GLFW_KEY_PAGE_UP;
_glfw.ns.keycodes[0x7C] = GLFW_KEY_RIGHT;
_glfw.ns.keycodes[0x3D] = GLFW_KEY_RIGHT_ALT;
_glfw.ns.keycodes[0x3E] = GLFW_KEY_RIGHT_CONTROL;
_glfw.ns.keycodes[0x3C] = GLFW_KEY_RIGHT_SHIFT;
_glfw.ns.keycodes[0x36] = GLFW_KEY_RIGHT_SUPER;
_glfw.ns.keycodes[0x31] = GLFW_KEY_SPACE;
_glfw.ns.keycodes[0x30] = GLFW_KEY_TAB;
_glfw.ns.keycodes[0x7E] = GLFW_KEY_UP;
_glfw.ns.keycodes[0x52] = GLFW_KEY_KP_0;
_glfw.ns.keycodes[0x53] = GLFW_KEY_KP_1;
_glfw.ns.keycodes[0x54] = GLFW_KEY_KP_2;
_glfw.ns.keycodes[0x55] = GLFW_KEY_KP_3;
_glfw.ns.keycodes[0x56] = GLFW_KEY_KP_4;
_glfw.ns.keycodes[0x57] = GLFW_KEY_KP_5;
_glfw.ns.keycodes[0x58] = GLFW_KEY_KP_6;
_glfw.ns.keycodes[0x59] = GLFW_KEY_KP_7;
_glfw.ns.keycodes[0x5B] = GLFW_KEY_KP_8;
_glfw.ns.keycodes[0x5C] = GLFW_KEY_KP_9;
_glfw.ns.keycodes[0x45] = GLFW_KEY_KP_ADD;
_glfw.ns.keycodes[0x41] = GLFW_KEY_KP_DECIMAL;
_glfw.ns.keycodes[0x4B] = GLFW_KEY_KP_DIVIDE;
_glfw.ns.keycodes[0x4C] = GLFW_KEY_KP_ENTER;
_glfw.ns.keycodes[0x51] = GLFW_KEY_KP_EQUAL;
_glfw.ns.keycodes[0x43] = GLFW_KEY_KP_MULTIPLY;
_glfw.ns.keycodes[0x4E] = GLFW_KEY_KP_SUBTRACT;
for (scancode = 0; scancode < 256; scancode++)
{
// Store the reverse translation for faster key name lookup
if (_glfw.ns.keycodes[scancode] >= 0)
_glfw.ns.scancodes[_glfw.ns.keycodes[scancode]] = scancode;
}
}
// Retrieve Unicode data for the current keyboard layout
//
static GLFWbool updateUnicodeDataNS(void)
{
if (_glfw.ns.inputSource)
{
CFRelease(_glfw.ns.inputSource);
_glfw.ns.inputSource = NULL;
_glfw.ns.unicodeData = nil;
}
_glfw.ns.inputSource = TISCopyCurrentKeyboardLayoutInputSource();
if (!_glfw.ns.inputSource)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to retrieve keyboard layout input source");
return GLFW_FALSE;
}
_glfw.ns.unicodeData =
TISGetInputSourceProperty(_glfw.ns.inputSource,
kTISPropertyUnicodeKeyLayoutData);
if (!_glfw.ns.unicodeData)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to retrieve keyboard layout Unicode data");
return GLFW_FALSE;
}
return GLFW_TRUE;
}
// Load HIToolbox.framework and the TIS symbols we need from it
//
static GLFWbool initializeTIS(void)
{
// This works only because Cocoa has already loaded it properly
_glfw.ns.tis.bundle =
CFBundleGetBundleWithIdentifier(CFSTR("com.apple.HIToolbox"));
if (!_glfw.ns.tis.bundle)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to load HIToolbox.framework");
return GLFW_FALSE;
}
CFStringRef* kPropertyUnicodeKeyLayoutData =
CFBundleGetDataPointerForName(_glfw.ns.tis.bundle,
CFSTR("kTISPropertyUnicodeKeyLayoutData"));
_glfw.ns.tis.CopyCurrentKeyboardLayoutInputSource =
CFBundleGetFunctionPointerForName(_glfw.ns.tis.bundle,
CFSTR("TISCopyCurrentKeyboardLayoutInputSource"));
_glfw.ns.tis.GetInputSourceProperty =
CFBundleGetFunctionPointerForName(_glfw.ns.tis.bundle,
CFSTR("TISGetInputSourceProperty"));
_glfw.ns.tis.GetKbdType =
CFBundleGetFunctionPointerForName(_glfw.ns.tis.bundle,
CFSTR("LMGetKbdType"));
if (!kPropertyUnicodeKeyLayoutData ||
!TISCopyCurrentKeyboardLayoutInputSource ||
!TISGetInputSourceProperty ||
!LMGetKbdType)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to load TIS API symbols");
return GLFW_FALSE;
}
_glfw.ns.tis.kPropertyUnicodeKeyLayoutData =
*kPropertyUnicodeKeyLayoutData;
return updateUnicodeDataNS();
}
@interface GLFWHelper : NSObject
@end
@implementation GLFWHelper
- (void)selectedKeyboardInputSourceChanged:(NSObject* )object
{
updateUnicodeDataNS();
}
- (void)doNothing:(id)object
{
}
@end // GLFWHelper
@interface GLFWApplicationDelegate : NSObject <NSApplicationDelegate>
@end
@implementation GLFWApplicationDelegate
- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender
{
_GLFWwindow* window;
for (window = _glfw.windowListHead; window; window = window->next)
_glfwInputWindowCloseRequest(window);
return NSTerminateCancel;
}
- (void)applicationDidChangeScreenParameters:(NSNotification *) notification
{
_GLFWwindow* window;
for (window = _glfw.windowListHead; window; window = window->next)
{
if (window->context.client != GLFW_NO_API)
[window->context.nsgl.object update];
}
_glfwPollMonitorsNS();
}
- (void)applicationWillFinishLaunching:(NSNotification *)notification
{
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"])
{
[[NSBundle mainBundle] loadNibNamed:@"MainMenu"
owner:NSApp
topLevelObjects:&_glfw.ns.nibObjects];
}
else
createMenuBar();
}
}
- (void)applicationDidFinishLaunching:(NSNotification *)notification
{
[NSApp stop:nil];
_glfwPlatformPostEmptyEvent();
}
- (void)applicationDidHide:(NSNotification *)notification
{
int i;
for (i = 0; i < _glfw.monitorCount; i++)
_glfwRestoreVideoModeNS(_glfw.monitors[i]);
}
@end // GLFWApplicationDelegate
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
int _glfwPlatformInit(void)
{
@autoreleasepool {
_glfw.ns.helper = [[GLFWHelper alloc] init];
[NSThread detachNewThreadSelector:@selector(doNothing:)
toTarget:_glfw.ns.helper
withObject:nil];
if (NSApp)
_glfw.ns.finishedLaunching = GLFW_TRUE;
[NSApplication sharedApplication];
_glfw.ns.delegate = [[GLFWApplicationDelegate alloc] init];
if (_glfw.ns.delegate == nil)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to create application delegate");
return GLFW_FALSE;
}
[NSApp setDelegate:_glfw.ns.delegate];
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();
// Press and Hold prevents some keys from emitting repeated characters
NSDictionary* defaults = @{@"ApplePressAndHoldEnabled":@NO};
[[NSUserDefaults standardUserDefaults] registerDefaults:defaults];
[[NSNotificationCenter defaultCenter]
addObserver:_glfw.ns.helper
selector:@selector(selectedKeyboardInputSourceChanged:)
name:NSTextInputContextKeyboardSelectionDidChangeNotification
object:nil];
createKeyTables();
_glfw.ns.eventSource = CGEventSourceCreate(kCGEventSourceStateHIDSystemState);
if (!_glfw.ns.eventSource)
return GLFW_FALSE;
CGEventSourceSetLocalEventsSuppressionInterval(_glfw.ns.eventSource, 0.0);
if (!initializeTIS())
return GLFW_FALSE;
_glfwInitTimerNS();
_glfwInitJoysticksNS();
_glfwPollMonitorsNS();
return GLFW_TRUE;
} // autoreleasepool
}
void _glfwPlatformTerminate(void)
{
@autoreleasepool {
if (_glfw.ns.inputSource)
{
CFRelease(_glfw.ns.inputSource);
_glfw.ns.inputSource = NULL;
_glfw.ns.unicodeData = nil;
}
if (_glfw.ns.eventSource)
{
CFRelease(_glfw.ns.eventSource);
_glfw.ns.eventSource = NULL;
}
if (_glfw.ns.delegate)
{
[NSApp setDelegate:nil];
[_glfw.ns.delegate release];
_glfw.ns.delegate = nil;
}
if (_glfw.ns.helper)
{
[[NSNotificationCenter defaultCenter]
removeObserver:_glfw.ns.helper
name:NSTextInputContextKeyboardSelectionDidChangeNotification
object:nil];
[[NSNotificationCenter defaultCenter]
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();
_glfwTerminateJoysticksNS();
} // autoreleasepool
}
const char* _glfwPlatformGetVersionString(void)
{
return _GLFW_VERSION_NUMBER " Cocoa NSGL EGL OSMesa"
#if defined(_GLFW_BUILD_DLL)
" dynamic"
#endif
;
}