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checkpoint. trying to add support for mode switch key to X11 

screens.
This commit is contained in:
crs 2002-09-01 15:30:00 +00:00
parent 210ed86827
commit 3295705f97
5 changed files with 125 additions and 54 deletions
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109
lib/client/CXWindowsSecondaryScreen.cpp
View File

@ -812,10 +812,13 @@ CXWindowsSecondaryScreen::maskToX(KeyModifierMask inMask) const
outMask |= ControlMask;
}
if (inMask & KeyModifierAlt) {
outMask |= Mod1Mask;
outMask |= m_altMask;
}
if (inMask & KeyModifierMeta) {
outMask |= Mod4Mask;
outMask |= m_metaMask;
}
if (inMask & KeyModifierModeSwitch) {
outMask |= m_modeSwitchMask;
}
if (inMask & KeyModifierCapsLock) {
outMask |= m_capsLockMask;
@ -876,8 +879,8 @@ CXWindowsSecondaryScreen::updateKeys()
}
// update mappings and current modifiers
updateKeycodeMap(display);
updateModifierMap(display);
updateKeycodeMap(display);
updateModifiers(display);
}
@ -913,6 +916,9 @@ CXWindowsSecondaryScreen::updateModifiers(Display* display)
void
CXWindowsSecondaryScreen::updateKeycodeMap(Display* display)
{
// there are up to 4 keysyms per keycode
static const int numKeysyms = 4;
// get the number of keycodes
int minKeycode, maxKeycode;
XDisplayKeycodes(display, &minKeycode, &maxKeycode);
@ -924,39 +930,31 @@ CXWindowsSecondaryScreen::updateKeycodeMap(Display* display)
minKeycode, numKeycodes,
&keysymsPerKeycode);
// restrict keysyms per keycode to 2 because, frankly, i have no
// idea how/what modifiers are used to access keysyms beyond the
// first 2.
int numKeysyms = 2; // keysymsPerKeycode
// initialize
KeyCodeMask entry;
m_keycodeMap.clear();
// insert keys
for (int i = 0; i < numKeycodes; ++i) {
// how many keysyms for this keycode?
int n;
for (n = 0; n < numKeysyms; ++n) {
if (keysyms[i * keysymsPerKeycode + n] == NoSymbol) {
break;
// compute mask over all mapped keysyms. if a keycode has, say,
// no shifted keysym then we can ignore the shift state when
// synthesizing an event to generate it.
entry.m_keyMaskMask = 0;
for (int j = 0; j < numKeysyms; ++j) {
const KeySym keySym = keysyms[i * keysymsPerKeycode + j];
if (keySym != NoSymbol) {
entry.m_keyMaskMask |= indexToModifierMask(j);
}
}
// move to next keycode if there are no keysyms
if (n == 0) {
continue;
}
// set the mask of modifiers that this keycode uses
entry.m_keyMaskMask = (n == 1) ? 0 : (ShiftMask | LockMask);
// add entries for this keycode
entry.m_keycode = static_cast<KeyCode>(minKeycode + i);
for (int j = 0; j < numKeysyms; ++j) {
entry.m_keyMask = (j == 0) ? 0 : ShiftMask;
m_keycodeMap.insert(std::make_pair(keysyms[i *
keysymsPerKeycode + j], entry));
const KeySym keySym = keysyms[i * keysymsPerKeycode + j];
if (keySym != NoSymbol) {
entry.m_keyMask = indexToModifierMask(j) & ~LockMask;
m_keycodeMap.insert(std::make_pair(keySym, entry));
}
}
}
@ -964,6 +962,26 @@ CXWindowsSecondaryScreen::updateKeycodeMap(Display* display)
XFree(keysyms);
}
unsigned int
CXWindowsSecondaryScreen::indexToModifierMask(int index) const
{
assert(index >= 0 && index <= 3);
switch (index) {
case 0:
return 0;
case 1:
return ShiftMask | LockMask;
case 2:
return m_modeSwitchMask;
case 3:
return ShiftMask | LockMask | m_modeSwitchMask;
}
}
void
CXWindowsSecondaryScreen::updateModifierMap(Display* display)
{
@ -973,6 +991,9 @@ CXWindowsSecondaryScreen::updateModifierMap(Display* display)
// initialize
m_modifierMask = 0;
m_toggleModifierMask = 0;
m_altMask = 0;
m_metaMask = 0;
m_modeSwitchMask = 0;
m_numLockMask = 0;
m_capsLockMask = 0;
m_scrollLockMask = 0;
@ -989,32 +1010,52 @@ CXWindowsSecondaryScreen::updateModifierMap(Display* display)
// save in modifier to keycode
m_modifierToKeycode[i * m_keysPerModifier + j] = keycode;
// no further interest in unmapped modifier
if (keycode == 0) {
continue;
}
// save in keycode to modifier
m_keycodeToModifier.insert(std::make_pair(keycode, i));
// modifier is enabled if keycode isn't 0
if (keycode != 0) {
// save bit in all-modifiers mask
m_modifierMask |= bit;
}
// modifier is a toggle if the keysym is a toggle modifier
const KeySym keysym = XKeycodeToKeysym(display, keycode, 0);
if (isToggleKeysym(keysym)) {
m_toggleModifierMask |= bit;
}
// note num/caps-lock
if (keysym == XK_Num_Lock) {
// note mask for particular modifiers
switch (keysym) {
case XK_Alt_L:
case XK_Alt_R:
m_altMask |= bit;
break;
case XK_Meta_L:
case XK_Meta_R:
m_metaMask |= bit;
break;
case XK_Mode_switch:
m_modeSwitchMask |= bit;
break;
case XK_Num_Lock:
m_numLockMask |= bit;
}
else if (keysym == XK_Caps_Lock) {
break;
case XK_Caps_Lock:
m_capsLockMask |= bit;
}
else if (keysym == XK_Scroll_Lock) {
break;
case XK_Scroll_Lock:
m_scrollLockMask |= bit;
}
}
}
}
XFreeModifiermap(keymap);
}

6
lib/client/CXWindowsSecondaryScreen.h
View File

@ -98,6 +98,7 @@ private:
void updateKeycodeMap(Display* display);
void updateModifiers(Display* display);
void updateModifierMap(Display* display);
unsigned int indexToModifierMask(int index) const;
void toggleKey(Display*, KeySym, unsigned int mask);
static bool isToggleKeysym(KeySym);
@ -130,7 +131,10 @@ private:
// set bits indicate modifiers that toggle (e.g. caps-lock)
unsigned int m_toggleModifierMask;
// masks that indicate which modifier bits are for toggle keys
// modifier masks
unsigned int m_altMask;
unsigned int m_metaMask;
unsigned int m_modeSwitchMask;
unsigned int m_numLockMask;
unsigned int m_capsLockMask;
unsigned int m_scrollLockMask;

46
lib/server/CXWindowsPrimaryScreen.cpp
View File

@ -614,7 +614,6 @@ CXWindowsPrimaryScreen::doSelectEvents(Display* display, Window w) const
KeyModifierMask
CXWindowsPrimaryScreen::mapModifier(unsigned int state) const
{
// FIXME -- should be configurable
KeyModifierMask mask = 0;
if (state & ShiftMask)
mask |= KeyModifierShift;
@ -622,13 +621,15 @@ CXWindowsPrimaryScreen::mapModifier(unsigned int state) const
mask |= KeyModifierCapsLock;
if (state & ControlMask)
mask |= KeyModifierControl;
if (state & Mod1Mask)
if (state & m_altMask)
mask |= KeyModifierAlt;
if (state & Mod2Mask)
mask |= KeyModifierNumLock;
if (state & Mod4Mask)
if (state & m_metaMask)
mask |= KeyModifierMeta;
if (state & Mod5Mask)
if (state & m_modeSwitchMask)
mask |= KeyModifierModeSwitch;
if (state & m_numLockMask)
mask |= KeyModifierNumLock;
if (state & m_scrollLockMask)
mask |= KeyModifierScrollLock;
return mask;
}
@ -688,6 +689,9 @@ CXWindowsPrimaryScreen::updateKeys()
XModifierKeymap* keymap = XGetModifierMapping(display);
// initialize
m_altMask = 0;
m_metaMask = 0;
m_modeSwitchMask = 0;
m_numLockMask = 0;
m_capsLockMask = 0;
m_scrollLockMask = 0;
@ -699,16 +703,34 @@ CXWindowsPrimaryScreen::updateKeys()
KeyCode keycode = keymap->modifiermap[i *
keymap->max_keypermod + j];
// note toggle modifier bits
// note mask for particular modifiers
const KeySym keysym = XKeycodeToKeysym(display, keycode, 0);
if (keysym == XK_Num_Lock) {
switch (keysym) {
case XK_Alt_L:
case XK_Alt_R:
m_altMask |= bit;
break;
case XK_Meta_L:
case XK_Meta_R:
m_metaMask |= bit;
break;
case XK_Mode_switch:
m_modeSwitchMask |= bit;
break;
case XK_Num_Lock:
m_numLockMask |= bit;
}
else if (keysym == XK_Caps_Lock) {
break;
case XK_Caps_Lock:
m_capsLockMask |= bit;
}
else if (keysym == XK_Scroll_Lock) {
break;
case XK_Scroll_Lock:
m_scrollLockMask |= bit;
break;
}
}
}

5
lib/server/CXWindowsPrimaryScreen.h
View File

@ -97,7 +97,10 @@ private:
bool m_numLockHalfDuplex;
bool m_capsLockHalfDuplex;
// masks that indicate which modifier bits are for toggle keys
// modifier masks
unsigned int m_altMask;
unsigned int m_metaMask;
unsigned int m_modeSwitchMask;
unsigned int m_numLockMask;
unsigned int m_capsLockMask;
unsigned int m_scrollLockMask;

1
lib/synergy/KeyTypes.h
View File

@ -37,6 +37,7 @@ static const KeyModifierMask KeyModifierShift = 0x0001;
static const KeyModifierMask KeyModifierControl = 0x0002;
static const KeyModifierMask KeyModifierAlt = 0x0004;
static const KeyModifierMask KeyModifierMeta = 0x0008;
static const KeyModifierMask KeyModifierModeSwitch = 0x0010;
static const KeyModifierMask KeyModifierCapsLock = 0x1000;
static const KeyModifierMask KeyModifierNumLock = 0x2000;
static const KeyModifierMask KeyModifierScrollLock = 0x4000;