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tdenetwork/krdc/keycapturedialog.cpp

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/***************************************************************************
keycapturedialog.cpp - KeyCaptureDialog
-------------------
begin : Wed Dec 25 01:20:22 CET 2002
copyright : (C) 2002-2003 by Tim Jansen
(C) unknown (whoever wrote kshortcutdialog.cpp)
(C) 2004 Nadeem Hasan <nhasan@kde.org>
email : tim@tjansen.de
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
//
// based on key capture code from kdelibs/kdeui/kshortcutdialog.cpp
//
#include "keycapturedialog.h"
#include "keycapturewidget.h"
#include <tqlabel.h>
#include <tqlayout.h>
#include <klocale.h>
#define XK_XKB_KEYS
#define XK_MISCELLANY
#include <X11/Xlib.h> // For x11Event()
#include <X11/keysymdef.h> // For XK_...
#ifdef KeyPress
const int XFocusOut = FocusOut;
const int XFocusIn = FocusIn;
const int XKeyPress = KeyPress;
const int XKeyRelease = KeyRelease;
#undef KeyRelease
#undef KeyPress
#undef FocusOut
#undef FocusIn
#endif
KeyCaptureDialog::KeyCaptureDialog(TQWidget *parent, const char *name)
: KDialogBase(parent, name, true, i18n( "Enter Key Combination" ),
Cancel, Cancel, true), m_grabbed(false) {
TQFrame *main = makeMainWidget();
TQVBoxLayout *tqlayout = new TQVBoxLayout( main, 0, KDialog::spacingHint() );
m_captureWidget = new KeyCaptureWidget( main, "m_captureWidget" );
tqlayout->addWidget( m_captureWidget );
tqlayout->addStretch();
}
KeyCaptureDialog::~KeyCaptureDialog() {
if (m_grabbed)
releaseKeyboard();
}
void KeyCaptureDialog::execute() {
m_captureWidget->keyLabel->setText("");
exec();
if (m_grabbed)
releaseKeyboard();
}
bool KeyCaptureDialog::x11Event(XEvent *pEvent)
{
switch( pEvent->type ) {
case XKeyPress:
case XKeyRelease:
x11EventKeyPress( pEvent );
return true;
case XFocusIn:
if (!m_grabbed)
grabKeyboard();
return true;
case XFocusOut:
if (m_grabbed)
releaseKeyboard();
return true;
default:
break;
}
return TQWidget::x11Event( pEvent );
}
void KeyCaptureDialog::x11EventKeyPress( XEvent *pEvent )
{
// taken from kshortcutdialog.h
KKeyNative keyNative( pEvent );
uint keyModX = keyNative.mod(), keySymX = keyNative.sym();
if ((keySymX == XK_Escape) && !keyModX) {
accept();
return;
}
switch( keySymX ) {
// Don't allow setting a modifier key as an accelerator.
// Also, don't release the focus yet. We'll wait until
// we get a 'normal' key.
case XK_Shift_L: case XK_Shift_R: keyModX = KKeyNative::modX(KKey::SHIFT); break;
case XK_Control_L: case XK_Control_R: keyModX = KKeyNative::modX(KKey::CTRL); break;
case XK_Alt_L: case XK_Alt_R: keyModX = KKeyNative::modX(KKey::ALT); break;
// FIXME: check whether the Meta or Super key are for the Win modifier
case XK_Meta_L: case XK_Meta_R:
case XK_Super_L: case XK_Super_R: keyModX = KKeyNative::modX(KKey::WIN); break;
case XK_Hyper_L: case XK_Hyper_R:
case XK_Mode_switch:
case XK_Num_Lock:
case XK_Caps_Lock:
break;
default:
if( pEvent->type == XKeyPress && keyNative.sym() ) {
emit keyPressed(pEvent);
reject();
}
return;
}
// If we are editing the first key in the sequence,
// display modifier keys which are held down
if( pEvent->type == XKeyPress )
keyModX |= pEvent->xkey.state;
else
keyModX = pEvent->xkey.state & ~keyModX;
TQString keyModStr;
if( keyModX & KKeyNative::modX(KKey::WIN) ) keyModStr += KKey::modFlagLabel(KKey::WIN) + "+";
if( keyModX & KKeyNative::modX(KKey::ALT) ) keyModStr += KKey::modFlagLabel(KKey::ALT) + "+";
if( keyModX & KKeyNative::modX(KKey::CTRL) ) keyModStr += KKey::modFlagLabel(KKey::CTRL) + "+";
if( keyModX & KKeyNative::modX(KKey::SHIFT) ) keyModStr += KKey::modFlagLabel(KKey::SHIFT) + "+";
// Display currently selected modifiers, or redisplay old key.
m_captureWidget->keyLabel->setText( keyModStr );
}
#include "keycapturedialog.moc"