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//===========================================
// Lumina desktop source code
// Copyright (c) 2017, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "LShortcutEvents.h"
#include "global-objects.h"
// === PUBLIC ===
LShortcutEvents::LShortcutEvents(){
WIN = 0;
clearTimer = 0;
evaluated = false;
}
LShortcutEvents::~LShortcutEvents(){
}
void LShortcutEvents::start(){
if(clearTimer==0){
clearTimer = new QTimer(this);
clearTimer->setInterval(2000); //2 seconds
clearTimer->setSingleShot(true);
connect(clearTimer, SIGNAL(timeout()), this, SLOT(clearKeys()) );
}
}
void LShortcutEvents::stop(){
clearKeys();
}
// === PRIVATE ===
void LShortcutEvents::CheckKeySequence(WId win){
//Get the keyboard modifiers
QString shortcut = keylistToString();
//Now see if there is a match for this shortcut
// "strict" actions (operate even if a non-desktop window is active/focused)
QString action = DesktopSettings::instance()->value(DesktopSettings::Keys, "strict/"+shortcut, "").toString();
qDebug() << "Strict Action:" << "strict/"+shortcut << action;
if(action.isEmpty() && win==0){
//"loose" actions (operating on the desktop or root window itself)
action = DesktopSettings::instance()->value(DesktopSettings::Keys, "desktop/"+shortcut, "").toString();
qDebug() << "Desktop Action:" << "desktop/"+shortcut << action;
}
if(!action.isEmpty()){
//Found a valid action - go ahead and evaluate it
evaluateShortcutAction(action);
}
}
void LShortcutEvents::CheckMouseSequence(WId win, NativeWindowSystem::MouseButton button, bool release){
if(release && (button == NativeWindowSystem::WheelUp || button == NativeWindowSystem::WheelDown || button == NativeWindowSystem::WheelLeft || button == NativeWindowSystem::WheelRight)){
return; //skip mouse release events for wheel actions (always come in pairs of press/release)
}else if(keylist.isEmpty() || button == NativeWindowSystem::NoButton){ return; } //Never overwrite mouse clicks themselves - just combinations with key presses
//Get the keyboard modifiers
QString shortcut = keylistToString();
//Add the mouse button to the shortcut
switch(button){
case NativeWindowSystem::LeftButton:
shortcut.append("+LeftMouse");
break;
case NativeWindowSystem::RightButton:
shortcut.append("+RightMouse");
break;
case NativeWindowSystem::MidButton:
shortcut.append("+MiddleMouse");
break;
case NativeWindowSystem::BackButton:
shortcut.append("+BackMouse");
break;
case NativeWindowSystem::ForwardButton:
shortcut.append("+ForwardMouse");
break;
case NativeWindowSystem::TaskButton:
shortcut.append("+TaskMouse");
break;
case NativeWindowSystem::WheelUp:
shortcut.append("+WheelUp");
break;
case NativeWindowSystem::WheelDown:
shortcut.append("+WheelDown");
break;
case NativeWindowSystem::WheelLeft:
shortcut.append("+WheelLeft");
break;
case NativeWindowSystem::WheelRight:
shortcut.append("+WheelRight");
break;
default:
shortcut.clear();
}
if(shortcut.isEmpty()){ return; }
//Now see if there is a match for this shortcut
// "strict" actions (operate even if a non-desktop window is active/focused)
QString action = DesktopSettings::instance()->value(DesktopSettings::Keys, "strict/"+shortcut, "").toString();
if(action.isEmpty() && win==0){
//"loose" actions (operating on the desktop or root window itself)
action = DesktopSettings::instance()->value(DesktopSettings::Keys, "desktop/"+shortcut, "").toString();
}
if(!action.isEmpty()){
//Found a valid action - go ahead and evaluate it
evaluateShortcutAction(action);
}
}
QString LShortcutEvents::keylistToString(){
if(keylist.isEmpty()){ return ""; }
QString shortcut;
QList<int> keys; int ckey = 0;
for(int i=0; i<keylist.length(); i++){
if(i == keylist.length()-1){ ckey+=keylist[i]; } //always treat the last key as a non-modifier
else if(keylist[i] == Qt::Key_Control){ ckey+=Qt::CTRL; } //use the modifier form of the key
else if(keylist[i] == Qt::Key_Alt){ ckey += Qt::ALT; }
else if(keylist[i] == Qt::Key_Shift){ ckey += Qt::SHIFT; }
else if(keylist[i] == Qt::Key_Meta){ ckey += Qt::META; }
else{ ckey+= keylist[i]; keys << ckey; ckey = 0; } //non-modifier - need to finish current mod+key combo and start a new one
}
if(ckey!=0){ keys << ckey; } //add in the last one as well
if(keys.length() < 1){ return ""; }
QKeySequence seq;
switch(keys.length()){
case 1:
seq = QKeySequence(keys[0]); break;
case 2:
seq = QKeySequence(keys[0], keys[1]); break;
case 3:
seq = QKeySequence(keys[0], keys[1], keys[2]); break;
default:
seq = QKeySequence(keys[0],keys[1], keys[2], keys[3]); break;
}
/*qDebug() << "KeyList to String:";
qDebug() << " keys:" << seq;
qDebug() << " string:" << seq.toString();*/
return seq.toString();
}
void LShortcutEvents::evaluateShortcutAction(QString action){
qDebug() << "Found Shortcut Action:" << action;
evaluated = true;
if(action.startsWith("Exec:")){
emit LaunchApplication(action.section(":",1,-1));
return;
}else if(action.startsWith("Launch:")){
emit LaunchStandardApplication(action.section(":",1,-1));
}
//Specific Internal actions
action = action.toLower();
//Power Options
if(action=="logout"){ emit StartLogout(); }
else if(action=="reboot"){ emit StartReboot(); }
else if(action=="shutdown"){ emit StartShutdown(); }
else if(action=="show_leave_options"){ emit OpenLeaveDialog(); }
else if(action=="lockscreen"){ emit LockSession(); }
}
// === PUBLIC SLOTS ===
void LShortcutEvents::KeyPress(WId window, Qt::Key key){
if(window!=WIN){ keylist.clear(); WIN = window; }
/*if(!keylist.contains(key)){
//Put it in the list in ascending order
bool found = false;
for(int i=0; i<keylist.length() && !found; i++){
if(keylist[i]>key){ keylist.insert(i,key); found = true; }
}
if(!found){ keylist << key; }
evaluated = false;
}*/
if(!keylist.isEmpty()){
if( keylist.last()!=key ){ keylist << key; }
}else{
keylist << key;
}
//Evaluate the key sequence only when the first one is released
clearTimer->start(); //will "restart" if already running
}
void LShortcutEvents::KeyRelease(WId window, Qt::Key key){
if(window!=WIN){ keylist.clear(); return; }
if(!evaluated){ CheckKeySequence(WIN); } //run this "before" removing the key from the list
for(int i=keylist.length()-1; i>=0; i--){
if(keylist[i] == key){ keylist.removeAt(i); break; }
}
clearTimer->start(); //will "restart" if already running
}
void LShortcutEvents::MousePress(WId window, NativeWindowSystem::MouseButton button){
//We do not provide shortcuts for combinations of mouse buttons - just mouse+keyboard combinations
CheckMouseSequence(window, button, false);
clearTimer->start(); //will "restart" if already running
}
void LShortcutEvents::MouseRelease(WId window, NativeWindowSystem::MouseButton button){
//We do not provide shortcuts for combinations of mouse buttons - just mouse+keyboard combinations
CheckMouseSequence(window, button, true);
clearTimer->start(); //will "restart" if already running
}
void LShortcutEvents::clearKeys(){
keylist.clear();
WIN = 0;
if(clearTimer!=0){ clearTimer->stop(); }
}
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