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- /* Copyright 2011 Pierre Ossman <ossman@cendio.se> for Cendio AB
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #include <FL/Fl.H>
- #include <FL/Fl_Window.H>
- #include <FL/x.H>
-
- #import <Cocoa/Cocoa.h>
- #import <Carbon/Carbon.h>
-
- #include <IOKit/hidsystem/IOHIDLib.h>
- #include <IOKit/hidsystem/IOHIDParameter.h>
-
- #define XK_LATIN1
- #define XK_MISCELLANY
- #define XK_XKB_KEYS
- #include <rfb/keysymdef.h>
- #include <rfb/XF86keysym.h>
-
- #include "keysym2ucs.h"
-
- #define NoSymbol 0
-
- // This wasn't added until 10.12
- #if !defined(MAC_OS_X_VERSION_10_12) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_12
- const int kVK_RightCommand = 0x36;
- #endif
- // And this is still missing
- const int kVK_Menu = 0x6E;
-
- static bool captured = false;
-
- int cocoa_capture_display(Fl_Window *win, bool all_displays)
- {
- NSWindow *nsw;
-
- nsw = (NSWindow*)fl_xid(win);
-
- if (!captured) {
- if (all_displays) {
- if (CGCaptureAllDisplays() != kCGErrorSuccess)
- return 1;
- } else {
- CGDirectDisplayID displays[16];
- CGDisplayCount count;
- int index;
-
- if (CGGetActiveDisplayList(16, displays, &count) != kCGErrorSuccess)
- return 1;
-
- if (count != (unsigned)Fl::screen_count())
- return 1;
-
- index = Fl::screen_num(win->x(), win->y(), win->w(), win->h());
-
- if (CGDisplayCapture(displays[index]) != kCGErrorSuccess)
- return 1;
- }
-
- captured = true;
- }
-
- if ([nsw level] == CGShieldingWindowLevel())
- return 0;
-
- [nsw setLevel:CGShieldingWindowLevel()];
-
- return 0;
- }
-
- void cocoa_release_display(Fl_Window *win)
- {
- NSWindow *nsw;
- int newlevel;
-
- if (captured)
- CGReleaseAllDisplays();
-
- captured = false;
-
- nsw = (NSWindow*)fl_xid(win);
-
- // Someone else has already changed the level of this window
- if ([nsw level] != CGShieldingWindowLevel())
- return;
-
- // FIXME: Store the previous level somewhere so we don't have to hard
- // code a level here.
- if (win->fullscreen_active() && win->contains(Fl::focus()))
- newlevel = NSStatusWindowLevel;
- else
- newlevel = NSNormalWindowLevel;
-
- // Only change if different as the level change also moves the window
- // to the top of that level.
- if ([nsw level] != newlevel)
- [nsw setLevel:newlevel];
- }
-
- CGColorSpaceRef cocoa_win_color_space(Fl_Window *win)
- {
- NSWindow *nsw;
- NSColorSpace *nscs;
-
- nsw = (NSWindow*)fl_xid(win);
-
- nscs = [nsw colorSpace];
- if (nscs == nil) {
- // Offscreen, so return standard SRGB color space
- assert(false);
- return CGColorSpaceCreateWithName(kCGColorSpaceSRGB);
- }
-
- CGColorSpaceRef lut = [nscs CGColorSpace];
-
- // We want a permanent reference, not an autorelease
- CGColorSpaceRetain(lut);
-
- return lut;
- }
-
- bool cocoa_win_is_zoomed(Fl_Window *win)
- {
- NSWindow *nsw;
- nsw = (NSWindow*)fl_xid(win);
- return [nsw isZoomed];
- }
-
- void cocoa_win_zoom(Fl_Window *win)
- {
- NSWindow *nsw;
- nsw = (NSWindow*)fl_xid(win);
- [nsw zoom:nsw];
- }
-
- int cocoa_is_keyboard_event(const void *event)
- {
- NSEvent *nsevent;
-
- nsevent = (NSEvent*)event;
-
- switch ([nsevent type]) {
- case NSKeyDown:
- case NSKeyUp:
- case NSFlagsChanged:
- return 1;
- default:
- return 0;
- }
- }
-
- int cocoa_is_key_press(const void *event)
- {
- NSEvent *nsevent;
-
- nsevent = (NSEvent*)event;
-
- if ([nsevent type] == NSKeyDown)
- return 1;
-
- if ([nsevent type] == NSFlagsChanged) {
- UInt32 mask;
-
- // We don't see any event on release of CapsLock
- if ([nsevent keyCode] == kVK_CapsLock)
- return 1;
-
- // These are entirely undocumented, but I cannot find any other way
- // of differentiating between left and right keys
- switch ([nsevent keyCode]) {
- case kVK_RightCommand:
- mask = 0x0010;
- break;
- case kVK_Command:
- mask = 0x0008;
- break;
- case kVK_Shift:
- mask = 0x0002;
- break;
- case kVK_CapsLock:
- // We don't see any event on release of CapsLock
- return 1;
- case kVK_Option:
- mask = 0x0020;
- break;
- case kVK_Control:
- mask = 0x0001;
- break;
- case kVK_RightShift:
- mask = 0x0004;
- break;
- case kVK_RightOption:
- mask = 0x0040;
- break;
- case kVK_RightControl:
- mask = 0x2000;
- break;
- default:
- return 0;
- }
-
- if ([nsevent modifierFlags] & mask)
- return 1;
- else
- return 0;
- }
-
- return 0;
- }
-
- int cocoa_event_keycode(const void *event)
- {
- NSEvent *nsevent;
-
- nsevent = (NSEvent*)event;
-
- return [nsevent keyCode];
- }
-
- static NSString *key_translate(UInt16 keyCode, UInt32 modifierFlags)
- {
- const UCKeyboardLayout *layout;
- OSStatus err;
-
- layout = NULL;
-
- TISInputSourceRef keyboard;
- CFDataRef uchr;
-
- keyboard = TISCopyCurrentKeyboardLayoutInputSource();
- uchr = (CFDataRef)TISGetInputSourceProperty(keyboard,
- kTISPropertyUnicodeKeyLayoutData);
- if (uchr == NULL)
- return nil;
-
- layout = (const UCKeyboardLayout*)CFDataGetBytePtr(uchr);
- if (layout == NULL)
- return nil;
-
- UInt32 dead_state;
- UniCharCount max_len, actual_len;
- UniChar string[255];
-
- dead_state = 0;
- max_len = sizeof(string)/sizeof(*string);
-
- modifierFlags = (modifierFlags >> 8) & 0xff;
-
- err = UCKeyTranslate(layout, keyCode, kUCKeyActionDown, modifierFlags,
- LMGetKbdType(), 0, &dead_state, max_len, &actual_len,
- string);
- if (err != noErr)
- return nil;
-
- // Dead key?
- if (dead_state != 0) {
- // We have no fool proof way of asking what dead key this is.
- // Assume we get a spacing equivalent if we press the
- // same key again, and try to deduce something from that.
- err = UCKeyTranslate(layout, keyCode, kUCKeyActionDown, modifierFlags,
- LMGetKbdType(), 0, &dead_state, max_len, &actual_len,
- string);
- if (err != noErr)
- return nil;
- }
-
- return [NSString stringWithCharacters:string length:actual_len];
- }
-
- static const int kvk_map[][2] = {
- { kVK_Return, XK_Return },
- { kVK_Tab, XK_Tab },
- { kVK_Space, XK_space },
- { kVK_Delete, XK_BackSpace },
- { kVK_Escape, XK_Escape },
- { kVK_RightCommand, XK_Super_R },
- { kVK_Command, XK_Super_L },
- { kVK_Shift, XK_Shift_L },
- { kVK_CapsLock, XK_Caps_Lock },
- { kVK_Option, XK_Alt_L },
- { kVK_Control, XK_Control_L },
- { kVK_RightShift, XK_Shift_R },
- { kVK_RightOption, XK_Alt_R },
- { kVK_RightControl, XK_Control_R },
- { kVK_F17, XK_F17 },
- { kVK_VolumeUp, XF86XK_AudioRaiseVolume },
- { kVK_VolumeDown, XF86XK_AudioLowerVolume },
- { kVK_Mute, XF86XK_AudioMute },
- { kVK_F18, XK_F18 },
- { kVK_F19, XK_F19 },
- { kVK_F20, XK_F20 },
- { kVK_F5, XK_F5 },
- { kVK_F6, XK_F6 },
- { kVK_F7, XK_F7 },
- { kVK_F3, XK_F3 },
- { kVK_F8, XK_F8 },
- { kVK_F9, XK_F9 },
- { kVK_F11, XK_F11 },
- { kVK_F13, XK_F13 },
- { kVK_F16, XK_F16 },
- { kVK_F14, XK_F14 },
- { kVK_F10, XK_F10 },
- { kVK_Menu, XK_Menu },
- { kVK_F12, XK_F12 },
- { kVK_F15, XK_F15 },
- // Should we send Insert here?
- { kVK_Help, XK_Help },
- { kVK_Home, XK_Home },
- { kVK_PageUp, XK_Page_Up },
- { kVK_ForwardDelete, XK_Delete },
- { kVK_F4, XK_F4 },
- { kVK_End, XK_End },
- { kVK_F2, XK_F2 },
- { kVK_PageDown, XK_Page_Down },
- { kVK_F1, XK_F1 },
- { kVK_LeftArrow, XK_Left },
- { kVK_RightArrow, XK_Right },
- { kVK_DownArrow, XK_Down },
- { kVK_UpArrow, XK_Up },
-
- // The OS X headers claim these keys are not layout independent.
- // Could it be because of the state of the decimal key?
- /* { kVK_ANSI_KeypadDecimal, XK_KP_Decimal }, */ // see below
- { kVK_ANSI_KeypadMultiply, XK_KP_Multiply },
- { kVK_ANSI_KeypadPlus, XK_KP_Add },
- // OS X doesn't have NumLock, so is this really correct?
- { kVK_ANSI_KeypadClear, XK_Num_Lock },
- { kVK_ANSI_KeypadDivide, XK_KP_Divide },
- { kVK_ANSI_KeypadEnter, XK_KP_Enter },
- { kVK_ANSI_KeypadMinus, XK_KP_Subtract },
- { kVK_ANSI_KeypadEquals, XK_KP_Equal },
- { kVK_ANSI_Keypad0, XK_KP_0 },
- { kVK_ANSI_Keypad1, XK_KP_1 },
- { kVK_ANSI_Keypad2, XK_KP_2 },
- { kVK_ANSI_Keypad3, XK_KP_3 },
- { kVK_ANSI_Keypad4, XK_KP_4 },
- { kVK_ANSI_Keypad5, XK_KP_5 },
- { kVK_ANSI_Keypad6, XK_KP_6 },
- { kVK_ANSI_Keypad7, XK_KP_7 },
- { kVK_ANSI_Keypad8, XK_KP_8 },
- { kVK_ANSI_Keypad9, XK_KP_9 },
- };
-
- int cocoa_event_keysym(const void *event)
- {
- NSEvent *nsevent;
-
- UInt16 key_code;
- size_t i;
-
- NSString *chars;
- UInt32 modifiers;
-
- nsevent = (NSEvent*)event;
-
- key_code = [nsevent keyCode];
-
- // Start with keys that either don't generate a symbol, or
- // generate the same symbol as some other key.
- for (i = 0;i < sizeof(kvk_map)/sizeof(kvk_map[0]);i++) {
- if (key_code == kvk_map[i][0])
- return kvk_map[i][1];
- }
-
- // OS X always sends the same key code for the decimal key on the
- // num pad, but X11 wants different keysyms depending on if it should
- // be a comma or full stop.
- if (key_code == 0x41) {
- switch ([[nsevent charactersIgnoringModifiers] UTF8String][0]) {
- case ',':
- return XK_KP_Separator;
- case '.':
- return XK_KP_Decimal;
- default:
- return NoSymbol;
- }
- }
-
- // We want a "normal" symbol out of the event, which basically means
- // we only respect the shift and alt/altgr modifiers. Cocoa can help
- // us if we only wanted shift, but as we also want alt/altgr, we'll
- // have to do some lookup ourselves. This matches our behaviour on
- // other platforms.
-
- modifiers = 0;
- if ([nsevent modifierFlags] & NSAlphaShiftKeyMask)
- modifiers |= alphaLock;
- if ([nsevent modifierFlags] & NSShiftKeyMask)
- modifiers |= shiftKey;
- if ([nsevent modifierFlags] & NSAlternateKeyMask)
- modifiers |= optionKey;
-
- chars = key_translate(key_code, modifiers);
- if (chars == nil)
- return NoSymbol;
-
- // FIXME: Some dead keys are given as NBSP + combining character
- if ([chars length] != 1)
- return NoSymbol;
-
- // Dead key?
- if ([[nsevent characters] length] == 0)
- return ucs2keysym(ucs2combining([chars characterAtIndex:0]));
-
- return ucs2keysym([chars characterAtIndex:0]);
- }
-
- static int cocoa_open_hid(io_connect_t *ioc)
- {
- kern_return_t ret;
- io_service_t ios;
- CFMutableDictionaryRef mdict;
-
- mdict = IOServiceMatching(kIOHIDSystemClass);
- ios = IOServiceGetMatchingService(kIOMasterPortDefault,
- (CFDictionaryRef) mdict);
- if (!ios)
- return KERN_FAILURE;
-
- ret = IOServiceOpen(ios, mach_task_self(), kIOHIDParamConnectType, ioc);
- IOObjectRelease(ios);
- if (ret != KERN_SUCCESS)
- return ret;
-
- return KERN_SUCCESS;
- }
-
- static int cocoa_set_modifier_lock_state(int modifier, bool on)
- {
- kern_return_t ret;
- io_connect_t ioc;
-
- ret = cocoa_open_hid(&ioc);
- if (ret != KERN_SUCCESS)
- return ret;
-
- ret = IOHIDSetModifierLockState(ioc, modifier, on);
- IOServiceClose(ioc);
- if (ret != KERN_SUCCESS)
- return ret;
-
- return KERN_SUCCESS;
- }
-
- static int cocoa_get_modifier_lock_state(int modifier, bool *on)
- {
- kern_return_t ret;
- io_connect_t ioc;
-
- ret = cocoa_open_hid(&ioc);
- if (ret != KERN_SUCCESS)
- return ret;
-
- ret = IOHIDGetModifierLockState(ioc, modifier, on);
- IOServiceClose(ioc);
- if (ret != KERN_SUCCESS)
- return ret;
-
- return KERN_SUCCESS;
- }
-
- int cocoa_set_caps_lock_state(bool on)
- {
- return cocoa_set_modifier_lock_state(kIOHIDCapsLockState, on);
- }
-
- int cocoa_set_num_lock_state(bool on)
- {
- return cocoa_set_modifier_lock_state(kIOHIDNumLockState, on);
- }
-
- int cocoa_get_caps_lock_state(bool *on)
- {
- return cocoa_get_modifier_lock_state(kIOHIDCapsLockState, on);
- }
-
- int cocoa_get_num_lock_state(bool *on)
- {
- return cocoa_get_modifier_lock_state(kIOHIDNumLockState, on);
- }
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