kitty/glfw/cocoa_init.m
2020-07-23 23:56:30 +02:00

865 lines
28 KiB
Objective-C

//========================================================================
// GLFW 3.4 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 "../kitty/monotonic.h"
#include <sys/param.h> // For MAXPATHLEN
#include <pthread.h>
// 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 keycode;
memset(_glfw.ns.keycodes, -1, sizeof(_glfw.ns.keycodes));
memset(_glfw.ns.key_to_keycode, -1, sizeof(_glfw.ns.key_to_keycode));
_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 (keycode = 0; keycode < 256; keycode++)
{
// Store the reverse translation for faster key name lookup
if (_glfw.ns.keycodes[keycode] >= 0)
_glfw.ns.key_to_keycode[_glfw.ns.keycodes[keycode]] = keycode;
}
}
// Retrieve Unicode data for the current keyboard layout
//
static bool updateUnicodeDataNS(void)
{
if (_glfw.ns.inputSource)
{
CFRelease(_glfw.ns.inputSource);
_glfw.ns.inputSource = NULL;
_glfw.ns.unicodeData = nil;
}
for (_GLFWwindow *window = _glfw.windowListHead; window; window = window->next)
window->ns.deadKeyState = 0;
_glfw.ns.inputSource = TISCopyCurrentKeyboardLayoutInputSource();
if (!_glfw.ns.inputSource)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to retrieve keyboard layout input source");
return 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 false;
}
return true;
}
// Load HIToolbox.framework and the TIS symbols we need from it
//
static bool 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 false;
}
CFStringRef* kPropertyUnicodeKeyLayoutData =
CFBundleGetDataPointerForName(_glfw.ns.tis.bundle,
CFSTR("kTISPropertyUnicodeKeyLayoutData"));
*(void **)&_glfw.ns.tis.CopyCurrentKeyboardLayoutInputSource =
CFBundleGetFunctionPointerForName(_glfw.ns.tis.bundle,
CFSTR("TISCopyCurrentKeyboardLayoutInputSource"));
*(void **)&_glfw.ns.tis.GetInputSourceProperty =
CFBundleGetFunctionPointerForName(_glfw.ns.tis.bundle,
CFSTR("TISGetInputSourceProperty"));
*(void **)&_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 false;
}
_glfw.ns.tis.kPropertyUnicodeKeyLayoutData =
*kPropertyUnicodeKeyLayoutData;
return updateUnicodeDataNS();
}
static void
display_reconfigured(CGDirectDisplayID display UNUSED, CGDisplayChangeSummaryFlags flags, void *userInfo UNUSED)
{
if (flags & kCGDisplayBeginConfigurationFlag) {
return;
}
if (flags & kCGDisplaySetModeFlag) {
// GPU possibly changed
}
}
@interface GLFWHelper : NSObject
@end
@implementation GLFWHelper
- (void)selectedKeyboardInputSourceChanged:(NSObject* )object
{
(void)object;
updateUnicodeDataNS();
}
- (void)doNothing:(id)object
{
(void)object;
}
@end // GLFWHelper
// Delegate for application related notifications {{{
@interface GLFWApplicationDelegate : NSObject <NSApplicationDelegate>
@end
@implementation GLFWApplicationDelegate
- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender
{
(void)sender;
if (_glfw.callbacks.application_close) _glfw.callbacks.application_close(0);
return NSTerminateCancel;
}
static GLFWapplicationshouldhandlereopenfun handle_reopen_callback = NULL;
- (BOOL)applicationShouldHandleReopen:(NSApplication *)sender hasVisibleWindows:(BOOL)flag
{
(void)sender;
if (!handle_reopen_callback) return YES;
if (handle_reopen_callback(flag)) return YES;
return NO;
}
- (void)applicationDidChangeScreenParameters:(NSNotification *) notification
{
(void)notification;
_GLFWwindow* window;
for (window = _glfw.windowListHead; window; window = window->next)
{
if (window->context.client != GLFW_NO_API)
[window->context.nsgl.object update];
}
_glfwPollMonitorsNS();
}
static GLFWapplicationwillfinishlaunchingfun finish_launching_callback = NULL;
- (void)applicationWillFinishLaunching:(NSNotification *)notification
{
(void)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 and finishLaunching
// 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();
}
if (finish_launching_callback)
finish_launching_callback();
}
- (void)applicationDidFinishLaunching:(NSNotification *)notification
{
(void)notification;
[NSApp stop:nil];
CGDisplayRegisterReconfigurationCallback(display_reconfigured, NULL);
_glfwCocoaPostEmptyEvent();
}
- (void)applicationWillTerminate:(NSNotification *)aNotification
{
(void)aNotification;
CGDisplayRemoveReconfigurationCallback(display_reconfigured, NULL);
}
- (void)applicationDidHide:(NSNotification *)notification
{
(void)notification;
int i;
for (i = 0; i < _glfw.monitorCount; i++)
_glfwRestoreVideoModeNS(_glfw.monitors[i]);
}
@end // GLFWApplicationDelegate
// }}}
@interface GLFWApplication : NSApplication
- (void)tick_callback;
- (void)render_frame_received:(id)displayIDAsID;
@end
@implementation GLFWApplication
- (void)tick_callback
{
_glfwDispatchTickCallback();
}
- (void)render_frame_received:(id)displayIDAsID
{
CGDirectDisplayID displayID = [(NSNumber*)displayIDAsID unsignedIntValue];
_glfwDispatchRenderFrame(displayID);
}
@end
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
void* _glfwLoadLocalVulkanLoaderNS(void)
{
CFBundleRef bundle = CFBundleGetMainBundle();
if (!bundle)
return NULL;
CFURLRef url =
CFBundleCopyAuxiliaryExecutableURL(bundle, CFSTR("libvulkan.1.dylib"));
if (!url)
return NULL;
char path[PATH_MAX];
void* handle = NULL;
if (CFURLGetFileSystemRepresentation(url, true, (UInt8*) path, sizeof(path) - 1))
handle = _glfw_dlopen(path);
CFRelease(url);
return handle;
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
static inline bool
is_ctrl_tab(NSEvent *event, NSEventModifierFlags modifierFlags) {
if (
(modifierFlags == NSEventModifierFlagControl &&
[event.charactersIgnoringModifiers isEqualToString:@"\t"]) ||
(modifierFlags == (NSEventModifierFlagControl | NSEventModifierFlagShift) &&
[event.charactersIgnoringModifiers isEqualToString:@"\x19"])
) return true;
return false;
}
static inline bool
is_cmd_period(NSEvent *event, NSEventModifierFlags modifierFlags) {
if (modifierFlags != NSEventModifierFlagCommand) return false;
if ([event.charactersIgnoringModifiers isEqualToString:@"."]) return true;
return false;
}
GLFWAPI GLFWapplicationshouldhandlereopenfun glfwSetApplicationShouldHandleReopen(GLFWapplicationshouldhandlereopenfun callback) {
GLFWapplicationshouldhandlereopenfun previous = handle_reopen_callback;
handle_reopen_callback = callback;
return previous;
}
GLFWAPI GLFWapplicationwillfinishlaunchingfun glfwSetApplicationWillFinishLaunching(GLFWapplicationwillfinishlaunchingfun callback) {
GLFWapplicationwillfinishlaunchingfun previous = finish_launching_callback;
finish_launching_callback = callback;
return previous;
}
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 = true;
[GLFWApplication sharedApplication];
_glfw.ns.delegate = [[GLFWApplicationDelegate alloc] init];
if (_glfw.ns.delegate == nil)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to create application delegate");
return false;
}
[NSApp setDelegate:_glfw.ns.delegate];
NSEvent* (^keydown_block)(NSEvent*) = ^ NSEvent* (NSEvent* event)
{
NSEventModifierFlags modifierFlags = [event modifierFlags] & NSEventModifierFlagDeviceIndependentFlagsMask;
if (is_ctrl_tab(event, modifierFlags) || is_cmd_period(event, modifierFlags)) {
// Cocoa swallows Ctrl+Tab to cycle between views
[[NSApp keyWindow].contentView keyDown:event];
}
return event;
};
NSEvent* (^keyup_block)(NSEvent*) = ^ NSEvent* (NSEvent* event)
{
NSEventModifierFlags modifierFlags = [event modifierFlags] & NSEventModifierFlagDeviceIndependentFlagsMask;
if (modifierFlags & NSEventModifierFlagCommand) {
// 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.
[[NSApp keyWindow] sendEvent:event];
}
if (is_ctrl_tab(event, modifierFlags) || is_cmd_period(event, modifierFlags)) {
// Cocoa swallows Ctrl+Tab to cycle between views
[[NSApp keyWindow].contentView keyUp:event];
}
return event;
};
_glfw.ns.keyUpMonitor =
[NSEvent addLocalMonitorForEventsMatchingMask:NSEventMaskKeyUp
handler:keyup_block];
_glfw.ns.keyDownMonitor =
[NSEvent addLocalMonitorForEventsMatchingMask:NSEventMaskKeyDown
handler:keydown_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 false;
CGEventSourceSetLocalEventsSuppressionInterval(_glfw.ns.eventSource, 0.0);
if (!initializeTIS())
return false;
_glfwPollMonitorsNS();
return true;
} // autoreleasepool
}
void _glfwPlatformTerminate(void)
{
@autoreleasepool {
_glfwClearDisplayLinks();
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];
if (_glfw.ns.keyDownMonitor)
[NSEvent removeMonitor:_glfw.ns.keyDownMonitor];
free(_glfw.ns.clipboardString);
_glfwTerminateNSGL();
} // autoreleasepool
}
const char* _glfwPlatformGetVersionString(void)
{
return _GLFW_VERSION_NUMBER " Cocoa NSGL EGL OSMesa"
#if defined(_GLFW_BUILD_DLL)
" dynamic"
#endif
;
}
static GLFWtickcallback tick_callback = NULL;
static void* tick_callback_data = NULL;
static bool tick_callback_requested = false;
static pthread_t main_thread;
static NSLock *tick_lock = NULL;
void _glfwDispatchTickCallback() {
if (tick_lock && tick_callback) {
[tick_lock lock];
while(tick_callback_requested) {
tick_callback_requested = false;
tick_callback(tick_callback_data);
}
[tick_lock unlock];
}
}
static void
request_tick_callback() {
if (!tick_callback_requested) {
tick_callback_requested = true;
[NSApp performSelectorOnMainThread:@selector(tick_callback) withObject:nil waitUntilDone:NO];
}
}
void _glfwPlatformPostEmptyEvent(void)
{
if (pthread_equal(pthread_self(), main_thread)) {
request_tick_callback();
} else if (tick_lock) {
[tick_lock lock];
request_tick_callback();
[tick_lock unlock];
}
}
void _glfwPlatformStopMainLoop(void) {
[NSApp stop:nil];
_glfwCocoaPostEmptyEvent();
}
void _glfwPlatformRunMainLoop(GLFWtickcallback callback, void* data) {
main_thread = pthread_self();
tick_callback = callback;
tick_callback_data = data;
tick_lock = [NSLock new];
[NSApp run];
[tick_lock release];
tick_lock = NULL;
tick_callback = NULL;
tick_callback_data = NULL;
}
typedef struct {
NSTimer *os_timer;
unsigned long long id;
bool repeats;
monotonic_t interval;
GLFWuserdatafun callback;
void *callback_data;
GLFWuserdatafun free_callback_data;
} Timer;
static Timer timers[128] = {{0}};
static size_t num_timers = 0;
static inline void
remove_timer_at(size_t idx) {
if (idx < num_timers) {
Timer *t = timers + idx;
if (t->os_timer) { [t->os_timer invalidate]; t->os_timer = NULL; }
if (t->callback_data && t->free_callback_data) { t->free_callback_data(t->id, t->callback_data); t->callback_data = NULL; }
remove_i_from_array(timers, idx, num_timers);
}
}
static void schedule_timer(Timer *t) {
t->os_timer = [NSTimer scheduledTimerWithTimeInterval:monotonic_t_to_s_double(t->interval) repeats:(t->repeats ? YES: NO) block:^(NSTimer *os_timer) {
for (size_t i = 0; i < num_timers; i++) {
if (timers[i].os_timer == os_timer) {
timers[i].callback(timers[i].id, timers[i].callback_data);
if (!timers[i].repeats) remove_timer_at(i);
break;
}
}
}];
}
unsigned long long _glfwPlatformAddTimer(monotonic_t interval, bool repeats, GLFWuserdatafun callback, void *callback_data, GLFWuserdatafun free_callback) {
static unsigned long long timer_counter = 0;
if (num_timers >= sizeof(timers)/sizeof(timers[0]) - 1) {
_glfwInputError(GLFW_PLATFORM_ERROR, "Too many timers added");
return 0;
}
Timer *t = timers + num_timers++;
t->id = ++timer_counter;
t->repeats = repeats;
t->interval = interval;
t->callback = callback;
t->callback_data = callback_data;
t->free_callback_data = free_callback;
schedule_timer(t);
return timer_counter;
}
void _glfwPlatformRemoveTimer(unsigned long long timer_id) {
for (size_t i = 0; i < num_timers; i++) {
if (timers[i].id == timer_id) {
remove_timer_at(i);
break;
}
}
}
void _glfwPlatformUpdateTimer(unsigned long long timer_id, monotonic_t interval, bool enabled) {
for (size_t i = 0; i < num_timers; i++) {
if (timers[i].id == timer_id) {
Timer *t = timers + i;
if (t->os_timer) { [t->os_timer invalidate]; t->os_timer = NULL; }
t->interval = interval;
if (enabled) schedule_timer(t);
break;
}
}
}