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tdebase/khotkeys/shared/input.cpp

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/****************************************************************************
KHotKeys
Copyright (C) 1999-2001 Lubos Lunak <l.lunak@kde.org>
Distributed under the terms of the GNU General Public License version 2.
****************************************************************************/
#define _INPUT_CPP_
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "input.h"
#include <assert.h>
#include <tqwidget.h>
#include <kglobalaccel.h>
#include <kdebug.h>
#include <kapplication.h>
#include <kdeversion.h>
#include <tqtimer.h>
#include <kkeynative.h>
#include "khotkeysglobal.h"
#include <X11/Xlib.h>
#include <X11/keysym.h>
#include "windows.h"
namespace KHotKeys
{
// Kbd
Kbd::Kbd( bool grabbing_enabled_P, TQObject* parent_P )
: TQObject( parent_P )
{
assert( keyboard_handler == NULL );
keyboard_handler = this;
kga = new KGlobalAccel( NULL );
kga->setEnabled( grabbing_enabled_P );
}
Kbd::~Kbd()
{
keyboard_handler = NULL;
delete kga;
}
void Kbd::insert_item( const KShortcut& shortcut_P, Kbd_receiver* receiver_P )
{
Receiver_data& rcv = receivers[ receiver_P ];
rcv.shortcuts.append( shortcut_P );
if( rcv.active )
grab_shortcut( shortcut_P );
}
void Kbd::remove_item( const KShortcut& shortcut_P, Kbd_receiver* receiver_P )
{
Receiver_data& rcv = receivers[ receiver_P ];
rcv.shortcuts.remove( shortcut_P );
if( rcv.active )
ungrab_shortcut( shortcut_P );
if( rcv.shortcuts.count() == 0 )
receivers.remove( receiver_P );
}
void Kbd::activate_receiver( Kbd_receiver* receiver_P )
{
Receiver_data& rcv = receivers[ receiver_P ];
if( rcv.active )
return;
rcv.active = true;
for( TQValueList< KShortcut >::ConstIterator it( rcv.shortcuts.begin());
it != rcv.shortcuts.end();
++it )
grab_shortcut( *it );
}
void Kbd::deactivate_receiver( Kbd_receiver* receiver_P )
{
Receiver_data& rcv = receivers[ receiver_P ];
if( !rcv.active )
return;
rcv.active = false;
for( TQValueList< KShortcut >::ConstIterator it( rcv.shortcuts.begin());
it != rcv.shortcuts.end();
++it )
ungrab_shortcut( *it );
}
void Kbd::grab_shortcut( const KShortcut& shortcut_P )
{
if( grabs.contains( shortcut_P ))
++grabs[ shortcut_P ];
else
{
grabs[ shortcut_P ] = 1;
#if 0
// CHECKME ugly ugly hack
TQString name = ' ' + TQString::number( keycode_P );
kga->insertItem( "", name, keycode_P );
kga->connectItem( name, this, TQT_SLOT( key_slot( int )));
#endif
TQString name = ' ' + shortcut_P.toStringInternal();
kga->insert( name, name, TQString::null, shortcut_P, shortcut_P,
this, TQT_SLOT( key_slot( TQString )));
TQTimer::singleShot( 0, this, TQT_SLOT( update_connections()));
}
}
void Kbd::ungrab_shortcut( const KShortcut& shortcut_P )
{
if( !grabs.contains( shortcut_P ))
return;
if( --grabs[ shortcut_P ] == 0 )
{
#if 0
// CHECKME workaround for KGlobalAccel::disconnectItem() not working
kga->setItemEnabled( ' ' + TQString::number( keycode_P ), false );
// kga->disconnectItem( ' ' + TQString::number( keycode_P ), NULL, NULL );
kga->removeItem( ' ' + TQString::number( keycode_P ));
#endif
kga->remove( ' ' + shortcut_P.toStringInternal());
grabs.remove( shortcut_P );
TQTimer::singleShot( 0, this, TQT_SLOT( update_connections()));
}
}
void Kbd::update_connections()
{
kga->updateConnections();
}
void Kbd::key_slot( TQString key_P )
{
kdDebug( 1217 ) << "Key pressed:" << key_P << endl;
KShortcut shortcut( key_P );
if( !grabs.contains( shortcut ))
return;
for( TQMap< Kbd_receiver*, Receiver_data >::ConstIterator it = receivers.begin();
it != receivers.end();
++it )
if( ( *it ).shortcuts.contains( shortcut ) && ( *it ).active
&& it.key()->handle_key( shortcut ))
return;
}
#ifdef HAVE_XTEST
} // namespace KHotKeys
#include <X11/extensions/XTest.h>
namespace KHotKeys
{
static bool xtest_available = false;
static bool xtest_inited = false;
static bool xtest()
{
if( xtest_inited )
return xtest_available;
xtest_inited = true;
int dummy1, dummy2, dummy3, dummy4;
xtest_available =
( XTestQueryExtension( qt_xdisplay(), &dummy1, &dummy2, &dummy3, &dummy4 ) == True );
return xtest_available;
}
#endif
// CHECKME nevola XFlush(), musi se pak volat rucne
bool Kbd::send_macro_key( const KKey& key, Window window_P )
{
unsigned int keysym = KKeyNative( key ).sym();
KeyCode x_keycode = XKeysymToKeycode( qt_xdisplay(), keysym );
if( x_keycode == NoSymbol )
return false;
unsigned int x_mod = KKeyNative( key ).mod();
#ifdef HAVE_XTEST
if( xtest() && window_P == None )
{
// CHECKME tohle jeste potrebuje modifikatory
bool ret = XTestFakeKeyEvent( qt_xdisplay(), x_keycode, True, CurrentTime );
ret = ret && XTestFakeKeyEvent( qt_xdisplay(), x_keycode, False, CurrentTime );
return ret;
}
#endif
if( window_P == None || window_P == InputFocus )
window_P = windows_handler->active_window();
if( window_P == None ) // CHECKME tohle cele je ponekud ...
window_P = InputFocus;
XEvent ev;
ev.type = KeyPress;
ev.xkey.display = qt_xdisplay();
ev.xkey.window = window_P;
ev.xkey.root = qt_xrootwin(); // I don't know whether these have to be set
ev.xkey.subwindow = None; // to these values, but it seems to work, hmm
ev.xkey.time = CurrentTime;
ev.xkey.x = 0;
ev.xkey.y = 0;
ev.xkey.x_root = 0;
ev.xkey.y_root = 0;
ev.xkey.keycode = x_keycode;
ev.xkey.state = x_mod;
ev.xkey.same_screen = True;
bool ret = XSendEvent( qt_xdisplay(), window_P, True, KeyPressMask, &ev );
#if 1
ev.type = KeyRelease; // is this actually really needed ??
ev.xkey.display = qt_xdisplay();
ev.xkey.window = window_P;
ev.xkey.root = qt_xrootwin();
ev.xkey.subwindow = None;
ev.xkey.time = CurrentTime;
ev.xkey.x = 0;
ev.xkey.y = 0;
ev.xkey.x_root = 0;
ev.xkey.y_root = 0;
ev.xkey.state = x_mod;
ev.xkey.keycode = x_keycode;
ev.xkey.same_screen = True;
ret = ret && XSendEvent( qt_xdisplay(), window_P, True, KeyReleaseMask, &ev );
#endif
// Qt's autorepeat compression is broken and can create "aab" from "aba"
// XSync() should create delay longer than Qt's max autorepeat interval
XSync( qt_xdisplay(), False );
return ret;
}
bool Mouse::send_mouse_button( int button_P, bool release_P )
{
#ifdef HAVE_XTEST
if( xtest())
{
// CHECKME tohle jeste potrebuje modifikatory
// a asi i spravnou timestamp misto CurrentTime
bool ret = XTestFakeButtonEvent( qt_xdisplay(), button_P, True, CurrentTime );
if( release_P )
ret = ret && XTestFakeButtonEvent( qt_xdisplay(), button_P, False, CurrentTime );
return ret;
}
#endif
return false;
}
} // namespace KHotKeys
#include "input.moc"