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// KeyUtil.hh for FbTk
// Copyright (c) 2003 Henrik Kinnunen (fluxgen at fluxbox dot org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#ifndef FBTK_KEYUTIL_HH
#define FBTK_KEYUTIL_HH
#include <X11/Xlib.h>
#include <memory>
namespace FbTk {
class KeyUtil {
public:
KeyUtil();
~KeyUtil();
void init();
static KeyUtil &instance();
/**
Grab the specified key
*/
static void grabKey(unsigned int key, unsigned int mod, Window win);
static void grabButton(unsigned int button, unsigned int mod, Window win,
unsigned int event_mask, Cursor cursor = None);
/**
convert the string to the keysym
@return the keysym corresponding to the string, or zero
*/
static unsigned int getKey(const char *keystr);
/**
@return the modifier for the modstr else zero on failure.
*/
static unsigned int getModifier(const char *modstr);
/**
ungrabs all keys
*/
static void ungrabKeys(Window win);
static void ungrabButtons(Window win);
/**
Strip out modifiers we want to ignore
@return the cleaned state number
*/
unsigned int cleanMods(unsigned int mods) {
// remove numlock, capslock, and scrolllock
// and anything beyond Button5Mask
return mods & ~(capslock() | numlock() | scrolllock()) & ((1<<13) - 1);
}
/**
strip away everything which is actually not a modifier
eg, xkb-keyboardgroups are encoded as bit 13 and 14
*/
unsigned int isolateModifierMask(unsigned int mods) {
return mods & (ShiftMask|LockMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask);
}
/**
Convert the specified key into appropriate modifier mask
@return corresponding modifier mask
*/
static unsigned int keycodeToModmask(unsigned int keycode);
int numlock() const { return m_numlock; }
int capslock() const { return LockMask; }
int scrolllock() const { return m_scrolllock; }
private:
void loadModmap();
XModifierKeymap *m_modmap;
int m_numlock, m_scrolllock;
static std::auto_ptr<KeyUtil> s_keyutil;
};
} // end namespace FbTk
#endif // FBTK_KEYUTIL_HH
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