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//===========================================
// Lumina-DE source code
// Copyright (c) 2014, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
// This is the dialog for catching keyboard events and converting them to X11 keycodes
//===========================================
#ifndef _LUMINA_FILE_MANAGER_KEY_CATCH_DIALOG_H
#define _LUMINA_FILE_MANAGER_KEY_CATCH_DIALOG_H
// Qt includes
#include <QDialog>
#include <QKeyEvent>
#include <QString>
#include <QDebug>
#include "ui_KeyCatch.h"
namespace Ui{
class KeyCatch;
};
class KeyCatch : public QDialog{
Q_OBJECT
private:
Ui::KeyCatch *ui;
QList<int> mods;
public:
QString xkeys, qkeys;
bool cancelled;
KeyCatch(QWidget *parent = 0) : QDialog(parent), ui(new Ui::KeyCatch){
ui->setupUi(this);
mods << Qt::Key_Escape << Qt::Key_Tab << Qt::Key_Enter << Qt::Key_Return << Qt::Key_Shift << Qt::Key_Control << Qt::Key_Meta << Qt::Key_Alt;
cancelled=true; //assume cancelled in case the user closes the window
this->show();
this->grabKeyboard(); //will automatically release when the window closes
}
~KeyCatch(){}
private slots:
void on_buttonBox_rejected(){
cancelled=true;
this->close();
}
protected:
void keyPressEvent(QKeyEvent *event){
//Don't catch if the main key is a modifier (shift,ctrl,alt,other..)
if(event->key()==0 && event->nativeVirtualKey()==0){ return; } //invalid "special" key
else if( !mods.contains(event->key()) ){
//Get the modifiers first (if any)
if(!QKeySequence(event->modifiers()).toString().isEmpty()){// && event->nativeModifiers()!=16){
if(event->modifiers()!=Qt::KeypadModifier){
qkeys = QKeySequence(event->modifiers()).toString();
}
/*//Ignore modifiers that result in a different keycode entirely (shift+a != (shift) + (a) )
if(event->modifiers()!=Qt::ShiftModifier && event->modifiers()!=Qt::KeypadModifier){
//Convert the modifier to the fluxbox equivilent
QStringList mod = qkeys.split("+");
for(int i=0; i<mod.length(); i++){
QString key = mod[i].toLower();
if(key=="shift"){} //this is also a valid fluxbox code
else if(key=="meta"){ key = "Mod4"; }
else if(key=="ctrl"){ key = "control"; }
else if(key=="alt"){ key = "Mod1"; }
else{ key.clear(); } //unknown fluxbox modifier
if(!key.isEmpty()){ xkeys.append(key+" "); }
}
}*/
}
//Now get the main key
qkeys.replace("+"," ");
if(event->key()==0){
if(qkeys.isEmpty()){ qkeys="None "; } //For Fluxbox, need "None <X Key number>"
qkeys.append( QString::number(event->nativeVirtualKey()) );
}else{
qkeys.append( QKeySequence(event->key()).toString() ); //also save the text version (for display)
}
//Remove the modifier if it is only "shift", and the main key is not a symbol
xkeys = qkeys;
qkeys.remove("None "); //The display/Qt keycode does not need to show this
if(!xkeys.section(" ",-1).isEmpty() && xkeys.contains("Shift ")){
if(!xkeys.section(" ",-1).at(0).isLetter()){
xkeys.remove("Shift "); //The symbol/keycode is already different
qkeys.remove("Shift ");
}
}
qDebug() << "Found Key Press:";
qDebug() << " - Native Virtual Key:" << event->nativeVirtualKey();
qDebug() << " - Qt Key Sequence:" << QKeySequence(event->key()).toString();
qDebug() << " - Full Detected Sequence (Display):" << qkeys;
qDebug() << " - Full Detected Sequence (backend):" << xkeys;
//Now close the dialog
cancelled=false;
this->close();
}
}
};
#endif
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