rayelliott
/
barrier
mirror of https://github.com/debauchee/barrier.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
barrier/src/lib/platform/OSXKeyState.cpp

875 lines
23 KiB
C++
Raw Blame History

/*
* synergy -- mouse and keyboard sharing utility
* Copyright (C) 2012-2016 Symless Ltd.
* Copyright (C) 2004 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "platform/OSXKeyState.h"
#include "platform/OSXUchrKeyResource.h"
#include "platform/OSXMediaKeySimulator.h"
#include "arch/Arch.h"
#include "base/Log.h"
#include <Carbon/Carbon.h>
// Note that some virtual keys codes appear more than once. The
// first instance of a virtual key code maps to the KeyID that we
// want to generate for that code. The others are for mapping
// different KeyIDs to a single key code.
static const UInt32 s_shiftVK = kVK_Shift;
static const UInt32 s_controlVK = kVK_Control;
static const UInt32 s_altVK = kVK_Option;
static const UInt32 s_superVK = kVK_Command;
static const UInt32 s_capsLockVK = kVK_CapsLock;
static const UInt32 s_numLockVK = kVK_ANSI_KeypadClear; // 71
static const UInt32 s_brightnessUp = 144;
static const UInt32 s_brightnessDown = 145;
static const UInt32 s_missionControlVK = 160;
static const UInt32 s_launchpadVK = 131;
static const UInt32 s_osxNumLock = 1 << 16;
struct KeyEntry {
public:
KeyID m_keyID;
UInt32 m_virtualKey;
};
static const KeyEntry s_controlKeys[] = {
// cursor keys. if we don't do this we'll may still get these from
// the keyboard resource but they may not correspond to the arrow
// keys.
{ kKeyLeft, kVK_LeftArrow },
{ kKeyRight, kVK_RightArrow },
{ kKeyUp, kVK_UpArrow },
{ kKeyDown, kVK_DownArrow },
{ kKeyHome, kVK_Home },
{ kKeyEnd, kVK_End },
{ kKeyPageUp, kVK_PageUp },
{ kKeyPageDown, kVK_PageDown },
{ kKeyInsert, kVK_Help }, // Mac Keyboards have 'Help' on 'Insert'
// function keys
{ kKeyF1, kVK_F1 },
{ kKeyF2, kVK_F2 },
{ kKeyF3, kVK_F3 },
{ kKeyF4, kVK_F4 },
{ kKeyF5, kVK_F5 },
{ kKeyF6, kVK_F6 },
{ kKeyF7, kVK_F7 },
{ kKeyF8, kVK_F8 },
{ kKeyF9, kVK_F9 },
{ kKeyF10, kVK_F10 },
{ kKeyF11, kVK_F11 },
{ kKeyF12, kVK_F12 },
{ kKeyF13, kVK_F13 },
{ kKeyF14, kVK_F14 },
{ kKeyF15, kVK_F15 },
{ kKeyF16, kVK_F16 },
{ kKeyKP_0, kVK_ANSI_Keypad0 },
{ kKeyKP_1, kVK_ANSI_Keypad1 },
{ kKeyKP_2, kVK_ANSI_Keypad2 },
{ kKeyKP_3, kVK_ANSI_Keypad3 },
{ kKeyKP_4, kVK_ANSI_Keypad4 },
{ kKeyKP_5, kVK_ANSI_Keypad5 },
{ kKeyKP_6, kVK_ANSI_Keypad6 },
{ kKeyKP_7, kVK_ANSI_Keypad7 },
{ kKeyKP_8, kVK_ANSI_Keypad8 },
{ kKeyKP_9, kVK_ANSI_Keypad9 },
{ kKeyKP_Decimal, kVK_ANSI_KeypadDecimal },
{ kKeyKP_Equal, kVK_ANSI_KeypadEquals },
{ kKeyKP_Multiply, kVK_ANSI_KeypadMultiply },
{ kKeyKP_Add, kVK_ANSI_KeypadPlus },
{ kKeyKP_Divide, kVK_ANSI_KeypadDivide },
{ kKeyKP_Subtract, kVK_ANSI_KeypadMinus },
{ kKeyKP_Enter, kVK_ANSI_KeypadEnter },
// virtual key 110 is fn+enter and i have no idea what that's supposed
// to map to. also the enter key with numlock on is a modifier but i
// don't know which.
// modifier keys. OS X doesn't seem to support right handed versions
// of modifier keys so we map them to the left handed versions.
{ kKeyShift_L, s_shiftVK },
{ kKeyShift_R, s_shiftVK }, // 60
{ kKeyControl_L, s_controlVK },
{ kKeyControl_R, s_controlVK }, // 62
{ kKeyAlt_L, s_altVK },
{ kKeyAlt_R, s_altVK },
{ kKeySuper_L, s_superVK },
{ kKeySuper_R, s_superVK }, // 61
{ kKeyMeta_L, s_superVK },
{ kKeyMeta_R, s_superVK }, // 61
// toggle modifiers
{ kKeyNumLock, s_numLockVK },
{ kKeyCapsLock, s_capsLockVK },
{ kKeyMissionControl, s_missionControlVK },
{ kKeyLaunchpad, s_launchpadVK },
{ kKeyBrightnessUp, s_brightnessUp },
{ kKeyBrightnessDown, s_brightnessDown }
};
//
// OSXKeyState
//
OSXKeyState::OSXKeyState(IEventQueue* events) :
KeyState(events)
{
init();
}
OSXKeyState::OSXKeyState(IEventQueue* events, synergy::KeyMap& keyMap) :
KeyState(events, keyMap)
{
init();
}
OSXKeyState::~OSXKeyState()
{
}
void
OSXKeyState::init()
{
m_deadKeyState = 0;
m_shiftPressed = false;
m_controlPressed = false;
m_altPressed = false;
m_superPressed = false;
m_capsPressed = false;
// build virtual key map
for (size_t i = 0; i < sizeof(s_controlKeys) / sizeof(s_controlKeys[0]);
++i) {
m_virtualKeyMap[s_controlKeys[i].m_virtualKey] =
s_controlKeys[i].m_keyID;
}
}
KeyModifierMask
OSXKeyState::mapModifiersFromOSX(UInt32 mask) const
{
KeyModifierMask outMask = 0;
if ((mask & kCGEventFlagMaskShift) != 0) {
outMask |= KeyModifierShift;
}
if ((mask & kCGEventFlagMaskControl) != 0) {
outMask |= KeyModifierControl;
}
if ((mask & kCGEventFlagMaskAlternate) != 0) {
outMask |= KeyModifierAlt;
}
if ((mask & kCGEventFlagMaskCommand) != 0) {
outMask |= KeyModifierSuper;
}
if ((mask & kCGEventFlagMaskAlphaShift) != 0) {
outMask |= KeyModifierCapsLock;
}
if ((mask & kCGEventFlagMaskNumericPad) != 0) {
outMask |= KeyModifierNumLock;
}
LOG((CLOG_DEBUG1 "mask=%04x outMask=%04x", mask, outMask));
return outMask;
}
KeyModifierMask
OSXKeyState::mapModifiersToCarbon(UInt32 mask) const
{
KeyModifierMask outMask = 0;
if ((mask & kCGEventFlagMaskShift) != 0) {
outMask |= shiftKey;
}
if ((mask & kCGEventFlagMaskControl) != 0) {
outMask |= controlKey;
}
if ((mask & kCGEventFlagMaskCommand) != 0) {
outMask |= cmdKey;
}
if ((mask & kCGEventFlagMaskAlternate) != 0) {
outMask |= optionKey;
}
if ((mask & kCGEventFlagMaskAlphaShift) != 0) {
outMask |= alphaLock;
}
if ((mask & kCGEventFlagMaskNumericPad) != 0) {
outMask |= s_osxNumLock;
}
return outMask;
}
KeyButton
OSXKeyState::mapKeyFromEvent(KeyIDs& ids,
KeyModifierMask* maskOut, CGEventRef event) const
{
ids.clear();
// map modifier key
if (maskOut != NULL) {
KeyModifierMask activeMask = getActiveModifiers();
activeMask &= ~KeyModifierAltGr;
*maskOut = activeMask;
}
// get virtual key
UInt32 vkCode = CGEventGetIntegerValueField(event, kCGKeyboardEventKeycode);
// handle up events
UInt32 eventKind = CGEventGetType(event);
if (eventKind == kCGEventKeyUp) {
// the id isn't used. we just need the same button we used on
// the key press. note that we don't use or reset the dead key
// state; up events should not affect the dead key state.
ids.push_back(kKeyNone);
return mapVirtualKeyToKeyButton(vkCode);
}
// check for special keys
VirtualKeyMap::const_iterator i = m_virtualKeyMap.find(vkCode);
if (i != m_virtualKeyMap.end()) {
m_deadKeyState = 0;
ids.push_back(i->second);
return mapVirtualKeyToKeyButton(vkCode);
}
// get keyboard info
TISInputSourceRef currentKeyboardLayout = TISCopyCurrentKeyboardLayoutInputSource();
if (currentKeyboardLayout == NULL) {
return kKeyNone;
}
// get the event modifiers and remove the command and control
// keys. note if we used them though.
// UCKeyTranslate expects old-style Carbon modifiers, so convert.
UInt32 modifiers;
modifiers = mapModifiersToCarbon(CGEventGetFlags(event));
static const UInt32 s_commandModifiers =
cmdKey | controlKey | rightControlKey;
bool isCommand = ((modifiers & s_commandModifiers) != 0);
modifiers &= ~s_commandModifiers;
// if we've used a command key then we want the glyph produced without
// the option key (i.e. the base glyph).
//if (isCommand) {
modifiers &= ~optionKey;
//}
// choose action
UInt16 action;
if (eventKind==kCGEventKeyDown) {
action = kUCKeyActionDown;
}
else if (CGEventGetIntegerValueField(event, kCGKeyboardEventAutorepeat)==1) {
action = kUCKeyActionAutoKey;
}
else {
return 0;
}
// translate via uchr resource
CFDataRef ref = (CFDataRef) TISGetInputSourceProperty(currentKeyboardLayout,
kTISPropertyUnicodeKeyLayoutData);
const UCKeyboardLayout* layout = (const UCKeyboardLayout*) CFDataGetBytePtr(ref);
const bool layoutValid = (layout != NULL);
if (layoutValid) {
// translate key
UniCharCount count;
UniChar chars[2];
LOG((CLOG_DEBUG2 "modifiers: %08x", modifiers & 0xffu));
OSStatus status = UCKeyTranslate(layout,
vkCode & 0xffu, action,
(modifiers >> 8) & 0xffu,
LMGetKbdType(), 0, &m_deadKeyState,
sizeof(chars) / sizeof(chars[0]), &count, chars);
// get the characters
if (status == 0) {
if (count != 0 || m_deadKeyState == 0) {
m_deadKeyState = 0;
for (UniCharCount i = 0; i < count; ++i) {
ids.push_back(IOSXKeyResource::unicharToKeyID(chars[i]));
}
adjustAltGrModifier(ids, maskOut, isCommand);
return mapVirtualKeyToKeyButton(vkCode);
}
return 0;
}
}
return 0;
}
bool
OSXKeyState::fakeCtrlAltDel()
{
// pass keys through unchanged
return false;
}
bool
OSXKeyState::fakeMediaKey(KeyID id)
{
return fakeNativeMediaKey(id);;
}
CGEventFlags
OSXKeyState::getModifierStateAsOSXFlags()
{
CGEventFlags modifiers = 0;
if (m_shiftPressed) {
modifiers |= kCGEventFlagMaskShift;
}
if (m_controlPressed) {
modifiers |= kCGEventFlagMaskControl;
}
if (m_altPressed) {
modifiers |= kCGEventFlagMaskAlternate;
}
if (m_superPressed) {
modifiers |= kCGEventFlagMaskCommand;
}
if (m_capsPressed) {
modifiers |= kCGEventFlagMaskAlphaShift;
}
return modifiers;
}
KeyModifierMask
OSXKeyState::pollActiveModifiers() const
{
// falsely assumed that the mask returned by GetCurrentKeyModifiers()
// was the same as a CGEventFlags (which is what mapModifiersFromOSX
// expects). patch by Marc
UInt32 mask = GetCurrentKeyModifiers();
KeyModifierMask outMask = 0;
if ((mask & shiftKey) != 0) {
outMask |= KeyModifierShift;
}
if ((mask & controlKey) != 0) {
outMask |= KeyModifierControl;
}
if ((mask & optionKey) != 0) {
outMask |= KeyModifierAlt;
}
if ((mask & cmdKey) != 0) {
outMask |= KeyModifierSuper;
}
if ((mask & alphaLock) != 0) {
outMask |= KeyModifierCapsLock;
}
if ((mask & s_osxNumLock) != 0) {
outMask |= KeyModifierNumLock;
}
LOG((CLOG_DEBUG1 "mask=%04x outMask=%04x", mask, outMask));
return outMask;
}
SInt32
OSXKeyState::pollActiveGroup() const
{
TISInputSourceRef keyboardLayout = TISCopyCurrentKeyboardLayoutInputSource();
CFDataRef id = (CFDataRef)TISGetInputSourceProperty(
keyboardLayout, kTISPropertyInputSourceID);
GroupMap::const_iterator i = m_groupMap.find(id);
if (i != m_groupMap.end()) {
return i->second;
}
LOG((CLOG_DEBUG "can't get the active group, use the first group instead"));
return 0;
}
void
OSXKeyState::pollPressedKeys(KeyButtonSet& pressedKeys) const
{
::KeyMap km;
GetKeys(km);
const UInt8* m = reinterpret_cast<const UInt8*>(km);
for (UInt32 i = 0; i < 16; ++i) {
for (UInt32 j = 0; j < 8; ++j) {
if ((m[i] & (1u << j)) != 0) {
pressedKeys.insert(mapVirtualKeyToKeyButton(8 * i + j));
}
}
}
}
void
OSXKeyState::getKeyMap(synergy::KeyMap& keyMap)
{
// update keyboard groups
if (getGroups(m_groups)) {
m_groupMap.clear();
SInt32 numGroups = (SInt32)m_groups.size();
for (SInt32 g = 0; g < numGroups; ++g) {
CFDataRef id = (CFDataRef)TISGetInputSourceProperty(
m_groups[g], kTISPropertyInputSourceID);
m_groupMap[id] = g;
}
}
UInt32 keyboardType = LMGetKbdType();
for (SInt32 g = 0, n = (SInt32)m_groups.size(); g < n; ++g) {
// add special keys
getKeyMapForSpecialKeys(keyMap, g);
const void* resource;
bool layoutValid = false;
// add regular keys
// try uchr resource first
CFDataRef resourceRef = (CFDataRef)TISGetInputSourceProperty(
m_groups[g], kTISPropertyUnicodeKeyLayoutData);
layoutValid = resourceRef != NULL;
if (layoutValid)
resource = CFDataGetBytePtr(resourceRef);
if (layoutValid) {
OSXUchrKeyResource uchr(resource, keyboardType);
if (uchr.isValid()) {
LOG((CLOG_DEBUG1 "using uchr resource for group %d", g));
getKeyMap(keyMap, g, uchr);
continue;
}
}
LOG((CLOG_DEBUG1 "no keyboard resource for group %d", g));
}
}
void
OSXKeyState::fakeKey(const Keystroke& keystroke)
{
switch (keystroke.m_type) {
case Keystroke::kButton: {
KeyButton button = keystroke.m_data.m_button.m_button;
bool keyDown = keystroke.m_data.m_button.m_press;
UInt32 client = keystroke.m_data.m_button.m_client;
CGEventSourceRef source = 0;
CGKeyCode virtualKey = mapKeyButtonToVirtualKey(button);
LOG((CLOG_DEBUG1
" button=0x%04x virtualKey=0x%04x keyDown=%s client=0x%04x",
button, virtualKey, keyDown ? "down" : "up", client));
CGEventRef ref = CGEventCreateKeyboardEvent(
source, virtualKey, keyDown);
if (ref == NULL) {
LOG((CLOG_CRIT "unable to create keyboard event for keystroke"));
return;
}
// persist modifier state.
if (virtualKey == s_shiftVK) {
m_shiftPressed = keyDown;
}
if (virtualKey == s_controlVK) {
m_controlPressed = keyDown;
}
if (virtualKey == s_altVK) {
m_altPressed = keyDown;
}
if (virtualKey == s_superVK) {
m_superPressed = keyDown;
}
if (virtualKey == s_capsLockVK) {
m_capsPressed = keyDown;
}
// set the event flags for special keys
// http://tinyurl.com/pxl742y
CGEventFlags modifiers = 0;
if (m_shiftPressed) {
modifiers |= kCGEventFlagMaskShift;
}
if (m_controlPressed) {
modifiers |= kCGEventFlagMaskControl;
}
if (m_altPressed) {
modifiers |= kCGEventFlagMaskAlternate;
}
if (m_superPressed) {
modifiers |= kCGEventFlagMaskCommand;
}
if (m_capsPressed) {
modifiers |= kCGEventFlagMaskAlphaShift;
}
CGEventSetFlags(ref, modifiers);
CGEventPost(kCGHIDEventTap, ref);
CFRelease(ref);
// add a delay if client data isn't zero
// FIXME -- why?
if (client != 0) {
ARCH->sleep(0.01);
}
break;
}
case Keystroke::kGroup: {
SInt32 group = keystroke.m_data.m_group.m_group;
if (keystroke.m_data.m_group.m_absolute) {
LOG((CLOG_DEBUG1 " group %d", group));
setGroup(group);
}
else {
LOG((CLOG_DEBUG1 " group %+d", group));
setGroup(getEffectiveGroup(pollActiveGroup(), group));
}
break;
}
}
}
void
OSXKeyState::getKeyMapForSpecialKeys(synergy::KeyMap& keyMap, SInt32 group) const
{
// special keys are insensitive to modifers and none are dead keys
synergy::KeyMap::KeyItem item;
for (size_t i = 0; i < sizeof(s_controlKeys) /
sizeof(s_controlKeys[0]); ++i) {
const KeyEntry& entry = s_controlKeys[i];
item.m_id = entry.m_keyID;
item.m_group = group;
item.m_button = mapVirtualKeyToKeyButton(entry.m_virtualKey);
item.m_required = 0;
item.m_sensitive = 0;
item.m_dead = false;
item.m_client = 0;
synergy::KeyMap::initModifierKey(item);
keyMap.addKeyEntry(item);
if (item.m_lock) {
// all locking keys are half duplex on OS X
keyMap.addHalfDuplexButton(item.m_button);
}
}
// note: we don't special case the number pad keys. querying the
// mac keyboard returns the non-keypad version of those keys but
// a KeyState always provides a mapping from keypad keys to
// non-keypad keys so we'll be able to generate the characters
// anyway.
}
bool
OSXKeyState::getKeyMap(synergy::KeyMap& keyMap,
SInt32 group, const IOSXKeyResource& r) const
{
if (!r.isValid()) {
return false;
}
// space for all possible modifier combinations
std::vector<bool> modifiers(r.getNumModifierCombinations());
// make space for the keys that any single button can synthesize
std::vector<std::pair<KeyID, bool> > buttonKeys(r.getNumTables());
// iterate over each button
synergy::KeyMap::KeyItem item;
for (UInt32 i = 0; i < r.getNumButtons(); ++i) {
item.m_button = mapVirtualKeyToKeyButton(i);
// the KeyIDs we've already handled
std::set<KeyID> keys;
// convert the entry in each table for this button to a KeyID
for (UInt32 j = 0; j < r.getNumTables(); ++j) {
buttonKeys[j].first = r.getKey(j, i);
buttonKeys[j].second = synergy::KeyMap::isDeadKey(buttonKeys[j].first);
}
// iterate over each character table
for (UInt32 j = 0; j < r.getNumTables(); ++j) {
// get the KeyID for the button/table
KeyID id = buttonKeys[j].first;
if (id == kKeyNone) {
continue;
}
// if we've already handled the KeyID in the table then
// move on to the next table
if (keys.count(id) > 0) {
continue;
}
keys.insert(id);
// prepare item. the client state is 1 for dead keys.
item.m_id = id;
item.m_group = group;
item.m_dead = buttonKeys[j].second;
item.m_client = buttonKeys[j].second ? 1 : 0;
synergy::KeyMap::initModifierKey(item);
if (item.m_lock) {
// all locking keys are half duplex on OS X
keyMap.addHalfDuplexButton(i);
}
// collect the tables that map to the same KeyID. we know it
// can't be any earlier tables because of the check above.
std::set<UInt8> tables;
tables.insert(static_cast<UInt8>(j));
for (UInt32 k = j + 1; k < r.getNumTables(); ++k) {
if (buttonKeys[k].first == id) {
tables.insert(static_cast<UInt8>(k));
}
}
// collect the modifier combinations that map to any of the
// tables we just collected
for (UInt32 k = 0; k < r.getNumModifierCombinations(); ++k) {
modifiers[k] = (tables.count(r.getTableForModifier(k)) > 0);
}
// figure out which modifiers the key is sensitive to. the
// key is insensitive to a modifier if for every modifier mask
// with the modifier bit unset in the modifiers we also find
// the same mask with the bit set.
//
// we ignore a few modifiers that we know aren't important
// for generating characters. in fact, we want to ignore any
// characters generated by the control key. we don't map
// those and instead expect the control modifier plus a key.
UInt32 sensitive = 0;
for (UInt32 k = 0; (1u << k) <
r.getNumModifierCombinations(); ++k) {
UInt32 bit = (1u << k);
if ((bit << 8) == cmdKey ||
(bit << 8) == controlKey ||
(bit << 8) == rightControlKey) {
continue;
}
for (UInt32 m = 0; m < r.getNumModifierCombinations(); ++m) {
if (modifiers[m] != modifiers[m ^ bit]) {
sensitive |= bit;
break;
}
}
}
// find each required modifier mask. the key can be synthesized
// using any of the masks.
std::set<UInt32> required;
for (UInt32 k = 0; k < r.getNumModifierCombinations(); ++k) {
if ((k & sensitive) == k && modifiers[k & sensitive]) {
required.insert(k);
}
}
// now add a key entry for each key/required modifier pair.
item.m_sensitive = mapModifiersFromOSX(sensitive << 16);
for (std::set<UInt32>::iterator k = required.begin();
k != required.end(); ++k) {
item.m_required = mapModifiersFromOSX(*k << 16);
keyMap.addKeyEntry(item);
}
}
}
return true;
}
bool
OSXKeyState::mapSynergyHotKeyToMac(KeyID key, KeyModifierMask mask,
UInt32 &macVirtualKey, UInt32 &macModifierMask) const
{
// look up button for key
KeyButton button = getButton(key, pollActiveGroup());
if (button == 0 && key != kKeyNone) {
return false;
}
macVirtualKey = mapKeyButtonToVirtualKey(button);
// calculate modifier mask
macModifierMask = 0;
if ((mask & KeyModifierShift) != 0) {
macModifierMask |= shiftKey;
}
if ((mask & KeyModifierControl) != 0) {
macModifierMask |= controlKey;
}
if ((mask & KeyModifierAlt) != 0) {
macModifierMask |= cmdKey;
}
if ((mask & KeyModifierSuper) != 0) {
macModifierMask |= optionKey;
}
if ((mask & KeyModifierCapsLock) != 0) {
macModifierMask |= alphaLock;
}
if ((mask & KeyModifierNumLock) != 0) {
macModifierMask |= s_osxNumLock;
}
return true;
}
void
OSXKeyState::handleModifierKeys(void* target,
KeyModifierMask oldMask, KeyModifierMask newMask)
{
// compute changed modifiers
KeyModifierMask changed = (oldMask ^ newMask);
// synthesize changed modifier keys
if ((changed & KeyModifierShift) != 0) {
handleModifierKey(target, s_shiftVK, kKeyShift_L,
(newMask & KeyModifierShift) != 0, newMask);
}
if ((changed & KeyModifierControl) != 0) {
handleModifierKey(target, s_controlVK, kKeyControl_L,
(newMask & KeyModifierControl) != 0, newMask);
}
if ((changed & KeyModifierAlt) != 0) {
handleModifierKey(target, s_altVK, kKeyAlt_L,
(newMask & KeyModifierAlt) != 0, newMask);
}
if ((changed & KeyModifierSuper) != 0) {
handleModifierKey(target, s_superVK, kKeySuper_L,
(newMask & KeyModifierSuper) != 0, newMask);
}
if ((changed & KeyModifierCapsLock) != 0) {
handleModifierKey(target, s_capsLockVK, kKeyCapsLock,
(newMask & KeyModifierCapsLock) != 0, newMask);
}
if ((changed & KeyModifierNumLock) != 0) {
handleModifierKey(target, s_numLockVK, kKeyNumLock,
(newMask & KeyModifierNumLock) != 0, newMask);
}
}
void
OSXKeyState::handleModifierKey(void* target,
UInt32 virtualKey, KeyID id,
bool down, KeyModifierMask newMask)
{
KeyButton button = mapVirtualKeyToKeyButton(virtualKey);
onKey(button, down, newMask);
sendKeyEvent(target, down, false, id, newMask, 0, button);
}
bool
OSXKeyState::getGroups(GroupList& groups) const
{
CFIndex n;
bool gotLayouts = false;
// get number of layouts
CFStringRef keys[] = { kTISPropertyInputSourceCategory };
CFStringRef values[] = { kTISCategoryKeyboardInputSource };
CFDictionaryRef dict = CFDictionaryCreate(NULL, (const void **)keys, (const void **)values, 1, NULL, NULL);
CFArrayRef kbds = TISCreateInputSourceList(dict, false);
n = CFArrayGetCount(kbds);
gotLayouts = (n != 0);
if (!gotLayouts) {
LOG((CLOG_DEBUG1 "can't get keyboard layouts"));
return false;
}
// get each layout
groups.clear();
for (CFIndex i = 0; i < n; ++i) {
bool addToGroups = true;
TISInputSourceRef keyboardLayout =
(TISInputSourceRef)CFArrayGetValueAtIndex(kbds, i);
if (addToGroups)
groups.push_back(keyboardLayout);
}
return true;
}
void
OSXKeyState::setGroup(SInt32 group)
{
TISSetInputMethodKeyboardLayoutOverride(m_groups[group]);
}
void
OSXKeyState::checkKeyboardLayout()
{
// XXX -- should call this when notified that groups have changed.
// if no notification for that then we should poll.
GroupList groups;
if (getGroups(groups) && groups != m_groups) {
updateKeyMap();
updateKeyState();
}
}
void
OSXKeyState::adjustAltGrModifier(const KeyIDs& ids,
KeyModifierMask* mask, bool isCommand) const
{
if (!isCommand) {
for (KeyIDs::const_iterator i = ids.begin(); i != ids.end(); ++i) {
KeyID id = *i;
if (id != kKeyNone &&
((id < 0xe000u || id > 0xefffu) ||
(id >= kKeyKP_Equal && id <= kKeyKP_9))) {
*mask |= KeyModifierAltGr;
return;
}
}
}
}
KeyButton
OSXKeyState::mapVirtualKeyToKeyButton(UInt32 keyCode)
{
// 'A' maps to 0 so shift every id
return static_cast<KeyButton>(keyCode + KeyButtonOffset);
}
UInt32
OSXKeyState::mapKeyButtonToVirtualKey(KeyButton keyButton)
{
return static_cast<UInt32>(keyButton - KeyButtonOffset);
}
Reference in New Issue View Git Blame Copy Permalink