checkpoint. trying to add support for mode switch key to X11
screens.
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210ed86827
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@ -812,10 +812,13 @@ CXWindowsSecondaryScreen::maskToX(KeyModifierMask inMask) const
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outMask |= ControlMask;
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}
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if (inMask & KeyModifierAlt) {
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outMask |= Mod1Mask;
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outMask |= m_altMask;
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}
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if (inMask & KeyModifierMeta) {
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outMask |= Mod4Mask;
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outMask |= m_metaMask;
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}
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if (inMask & KeyModifierModeSwitch) {
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outMask |= m_modeSwitchMask;
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}
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if (inMask & KeyModifierCapsLock) {
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outMask |= m_capsLockMask;
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@ -876,8 +879,8 @@ CXWindowsSecondaryScreen::updateKeys()
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}
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// update mappings and current modifiers
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updateKeycodeMap(display);
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updateModifierMap(display);
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updateKeycodeMap(display);
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updateModifiers(display);
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}
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@ -913,6 +916,9 @@ CXWindowsSecondaryScreen::updateModifiers(Display* display)
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void
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CXWindowsSecondaryScreen::updateKeycodeMap(Display* display)
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{
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// there are up to 4 keysyms per keycode
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static const int numKeysyms = 4;
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// get the number of keycodes
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int minKeycode, maxKeycode;
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XDisplayKeycodes(display, &minKeycode, &maxKeycode);
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@ -924,39 +930,31 @@ CXWindowsSecondaryScreen::updateKeycodeMap(Display* display)
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minKeycode, numKeycodes,
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&keysymsPerKeycode);
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// restrict keysyms per keycode to 2 because, frankly, i have no
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// idea how/what modifiers are used to access keysyms beyond the
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// first 2.
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int numKeysyms = 2; // keysymsPerKeycode
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// initialize
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KeyCodeMask entry;
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m_keycodeMap.clear();
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// insert keys
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for (int i = 0; i < numKeycodes; ++i) {
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// how many keysyms for this keycode?
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int n;
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for (n = 0; n < numKeysyms; ++n) {
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if (keysyms[i * keysymsPerKeycode + n] == NoSymbol) {
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break;
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// compute mask over all mapped keysyms. if a keycode has, say,
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// no shifted keysym then we can ignore the shift state when
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// synthesizing an event to generate it.
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entry.m_keyMaskMask = 0;
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for (int j = 0; j < numKeysyms; ++j) {
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const KeySym keySym = keysyms[i * keysymsPerKeycode + j];
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if (keySym != NoSymbol) {
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entry.m_keyMaskMask |= indexToModifierMask(j);
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}
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}
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// move to next keycode if there are no keysyms
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if (n == 0) {
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continue;
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}
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// set the mask of modifiers that this keycode uses
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entry.m_keyMaskMask = (n == 1) ? 0 : (ShiftMask | LockMask);
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// add entries for this keycode
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entry.m_keycode = static_cast<KeyCode>(minKeycode + i);
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for (int j = 0; j < numKeysyms; ++j) {
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entry.m_keyMask = (j == 0) ? 0 : ShiftMask;
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m_keycodeMap.insert(std::make_pair(keysyms[i *
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keysymsPerKeycode + j], entry));
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const KeySym keySym = keysyms[i * keysymsPerKeycode + j];
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if (keySym != NoSymbol) {
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entry.m_keyMask = indexToModifierMask(j) & ~LockMask;
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m_keycodeMap.insert(std::make_pair(keySym, entry));
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}
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}
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}
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@ -964,6 +962,26 @@ CXWindowsSecondaryScreen::updateKeycodeMap(Display* display)
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XFree(keysyms);
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}
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unsigned int
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CXWindowsSecondaryScreen::indexToModifierMask(int index) const
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{
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assert(index >= 0 && index <= 3);
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switch (index) {
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case 0:
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return 0;
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case 1:
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return ShiftMask | LockMask;
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case 2:
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return m_modeSwitchMask;
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case 3:
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return ShiftMask | LockMask | m_modeSwitchMask;
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}
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}
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void
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CXWindowsSecondaryScreen::updateModifierMap(Display* display)
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{
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@ -973,6 +991,9 @@ CXWindowsSecondaryScreen::updateModifierMap(Display* display)
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// initialize
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m_modifierMask = 0;
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m_toggleModifierMask = 0;
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m_altMask = 0;
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m_metaMask = 0;
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m_modeSwitchMask = 0;
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m_numLockMask = 0;
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m_capsLockMask = 0;
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m_scrollLockMask = 0;
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@ -989,29 +1010,49 @@ CXWindowsSecondaryScreen::updateModifierMap(Display* display)
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// save in modifier to keycode
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m_modifierToKeycode[i * m_keysPerModifier + j] = keycode;
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// no further interest in unmapped modifier
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if (keycode == 0) {
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continue;
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}
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// save in keycode to modifier
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m_keycodeToModifier.insert(std::make_pair(keycode, i));
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// modifier is enabled if keycode isn't 0
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if (keycode != 0) {
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m_modifierMask |= bit;
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}
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// save bit in all-modifiers mask
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m_modifierMask |= bit;
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// modifier is a toggle if the keysym is a toggle modifier
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const KeySym keysym = XKeycodeToKeysym(display, keycode, 0);
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if (isToggleKeysym(keysym)) {
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m_toggleModifierMask |= bit;
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}
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// note num/caps-lock
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if (keysym == XK_Num_Lock) {
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m_numLockMask |= bit;
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}
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else if (keysym == XK_Caps_Lock) {
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m_capsLockMask |= bit;
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}
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else if (keysym == XK_Scroll_Lock) {
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m_scrollLockMask |= bit;
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}
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// note mask for particular modifiers
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switch (keysym) {
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case XK_Alt_L:
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case XK_Alt_R:
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m_altMask |= bit;
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break;
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case XK_Meta_L:
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case XK_Meta_R:
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m_metaMask |= bit;
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break;
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case XK_Mode_switch:
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m_modeSwitchMask |= bit;
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break;
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case XK_Num_Lock:
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m_numLockMask |= bit;
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break;
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case XK_Caps_Lock:
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m_capsLockMask |= bit;
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break;
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case XK_Scroll_Lock:
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m_scrollLockMask |= bit;
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}
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}
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}
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@ -98,6 +98,7 @@ private:
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void updateKeycodeMap(Display* display);
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void updateModifiers(Display* display);
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void updateModifierMap(Display* display);
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unsigned int indexToModifierMask(int index) const;
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void toggleKey(Display*, KeySym, unsigned int mask);
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static bool isToggleKeysym(KeySym);
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@ -130,7 +131,10 @@ private:
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// set bits indicate modifiers that toggle (e.g. caps-lock)
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unsigned int m_toggleModifierMask;
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// masks that indicate which modifier bits are for toggle keys
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// modifier masks
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unsigned int m_altMask;
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unsigned int m_metaMask;
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unsigned int m_modeSwitchMask;
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unsigned int m_numLockMask;
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unsigned int m_capsLockMask;
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unsigned int m_scrollLockMask;
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@ -614,7 +614,6 @@ CXWindowsPrimaryScreen::doSelectEvents(Display* display, Window w) const
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KeyModifierMask
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CXWindowsPrimaryScreen::mapModifier(unsigned int state) const
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{
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// FIXME -- should be configurable
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KeyModifierMask mask = 0;
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if (state & ShiftMask)
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mask |= KeyModifierShift;
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@ -622,13 +621,15 @@ CXWindowsPrimaryScreen::mapModifier(unsigned int state) const
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mask |= KeyModifierCapsLock;
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if (state & ControlMask)
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mask |= KeyModifierControl;
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if (state & Mod1Mask)
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if (state & m_altMask)
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mask |= KeyModifierAlt;
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if (state & Mod2Mask)
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mask |= KeyModifierNumLock;
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if (state & Mod4Mask)
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if (state & m_metaMask)
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mask |= KeyModifierMeta;
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if (state & Mod5Mask)
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if (state & m_modeSwitchMask)
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mask |= KeyModifierModeSwitch;
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if (state & m_numLockMask)
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mask |= KeyModifierNumLock;
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if (state & m_scrollLockMask)
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mask |= KeyModifierScrollLock;
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return mask;
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}
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@ -688,6 +689,9 @@ CXWindowsPrimaryScreen::updateKeys()
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XModifierKeymap* keymap = XGetModifierMapping(display);
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// initialize
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m_altMask = 0;
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m_metaMask = 0;
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m_modeSwitchMask = 0;
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m_numLockMask = 0;
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m_capsLockMask = 0;
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m_scrollLockMask = 0;
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@ -699,16 +703,34 @@ CXWindowsPrimaryScreen::updateKeys()
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KeyCode keycode = keymap->modifiermap[i *
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keymap->max_keypermod + j];
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// note toggle modifier bits
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// note mask for particular modifiers
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const KeySym keysym = XKeycodeToKeysym(display, keycode, 0);
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if (keysym == XK_Num_Lock) {
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m_numLockMask |= bit;
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}
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else if (keysym == XK_Caps_Lock) {
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m_capsLockMask |= bit;
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}
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else if (keysym == XK_Scroll_Lock) {
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switch (keysym) {
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case XK_Alt_L:
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case XK_Alt_R:
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m_altMask |= bit;
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break;
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case XK_Meta_L:
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case XK_Meta_R:
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m_metaMask |= bit;
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break;
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case XK_Mode_switch:
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m_modeSwitchMask |= bit;
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break;
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case XK_Num_Lock:
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m_numLockMask |= bit;
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break;
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case XK_Caps_Lock:
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m_capsLockMask |= bit;
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break;
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case XK_Scroll_Lock:
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m_scrollLockMask |= bit;
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break;
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}
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}
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}
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@ -97,7 +97,10 @@ private:
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bool m_numLockHalfDuplex;
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bool m_capsLockHalfDuplex;
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// masks that indicate which modifier bits are for toggle keys
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// modifier masks
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unsigned int m_altMask;
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unsigned int m_metaMask;
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unsigned int m_modeSwitchMask;
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unsigned int m_numLockMask;
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unsigned int m_capsLockMask;
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unsigned int m_scrollLockMask;
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@ -37,6 +37,7 @@ static const KeyModifierMask KeyModifierShift = 0x0001;
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static const KeyModifierMask KeyModifierControl = 0x0002;
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static const KeyModifierMask KeyModifierAlt = 0x0004;
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static const KeyModifierMask KeyModifierMeta = 0x0008;
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static const KeyModifierMask KeyModifierModeSwitch = 0x0010;
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static const KeyModifierMask KeyModifierCapsLock = 0x1000;
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static const KeyModifierMask KeyModifierNumLock = 0x2000;
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static const KeyModifierMask KeyModifierScrollLock = 0x4000;
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