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//===========================================
// Lumina-DE source code
// Copyright (c) 2017, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
// This is a Qt5/Lumina wrapper around native graphics system calls
// It is primarily designed around the creation/modification of instances of
// the "NativeWindow" class for passing information around
//===========================================
#ifndef _LUMINA_NATIVE_WINDOW_SYSTEM_H
#define _LUMINA_NATIVE_WINDOW_SYSTEM_H
#include "NativeWindow.h"
#include <QDateTime>
#include <QTimer>
class NativeWindowSystem : public QObject{
Q_OBJECT
private:
QList<NativeWindow*> NWindows;
QList<NativeWindow*> TWindows;
//Simplifications to find an already-created window object
NativeWindow* findWindow(WId id){
for(int i=0; i<NWindows.length(); i++){
if(id==NWindows[i]->id()){ return NWindows[i]; }
}
return 0;
}
NativeWindow* findTrayWindow(WId id){
for(int i=0; i<TWindows.length(); i++){
if(id==TWindows[i]->id()){ return TWindows[i]; }
}
return 0;
}
//Now define a simple private_objects class so that each implementation
// has a storage container for defining/placing private objects as needed
class p_objects;
p_objects* obj;
//Internal timers/variables for managing pings
QTimer *pingTimer;
QHash<WId, QDateTime> waitingForPong;
void checkPings(){
QDateTime cur = QDateTime::currentDateTime();
QList<WId> waiting = waitingForPong.keys();
for(int i=0; i<waiting.length(); i++){
if(waitingForPong.value(waiting[i]) < cur){
waitingForPong.remove(waiting[i]); //Timeout on this window
if(waitingForPong.isEmpty() && pingTimer!=0){ pingTimer->stop(); }
NativeWindow *win = findWindow(waiting[i]);
if(win==0){ win = findTrayWindow(waiting[i]); }
if(win!=0){ win->emit WindowNotResponding(waiting[i]); }
}
}
}
// Since some properties may be easier to update in bulk
// let the native system interaction do them in whatever logical groups are best
void UpdateWindowProperties(NativeWindow* win, QList< NativeWindow::Property > props);
//Generic private variables
bool screenLocked;
public:
enum Property{ None, CurrentWorkspace, Workspaces, VirtualRoots, WorkAreas };
enum MouseButton{NoButton, LeftButton, RightButton, MidButton, BackButton, ForwardButton, TaskButton, WheelUp, WheelDown, WheelLeft, WheelRight};
NativeWindowSystem();
~NativeWindowSystem();
//Overarching start/stop functions
bool start();
void stop();
//General-purpose listing functions
QList<NativeWindow*> currentWindows(){ return NWindows; }
QList<NativeWindow*> currentTrayWindows(){ return TWindows; }
//Small simplification functions
static Qt::Key KeycodeToQt(int keycode);
static NativeWindowSystem::MouseButton MouseToQt(int button);
public slots:
//These are the slots which are typically only used by the desktop system itself or the NativeWindowEventFilter
//This is called by the lock screen to keep the NWS aware of the current status
// it is **NOT** the function to call for the user to actually lock the session (that is in the screensaver/lockscreen class)
void ScreenLockChanged(bool lock){
screenLocked = lock;
}
//RootWindow interactions
void RegisterVirtualRoot(WId);
// - Workspaces
int currentWorkspace();
//void GoToWorkspace(int);
//void RegisterWorkspaces(QStringList); //Names of workspaces, in ascending order
//void RegisterKnownInteractions();
//NativeWindowEventFilter interactions
void NewWindowDetected(WId); //will automatically create the new NativeWindow object
void NewTrayWindowDetected(WId); //will automatically create the new NativeWindow object
void WindowCloseDetected(WId); //will update the lists and make changes if needed
void WindowPropertyChanged(WId, NativeWindow::Property); //will rescan the window and update the object as needed
void GotPong(WId);
void NewKeyPress(int keycode, WId win = 0);
void NewKeyRelease(int keycode, WId win = 0);
void NewMousePress(int buttoncode, WId win = 0);
void NewMouseRelease(int buttoncode, WId win = 0);
void CheckDamageID(WId);
private slots:
//These are the slots which are built-in and automatically connected when a new NativeWindow is created
void RequestPropertiesChange(WId, QList<NativeWindow::Property>, QList<QVariant>);
void RequestClose(WId);
void RequestKill(WId);
void RequestPing(WId);
signals:
void NewWindowAvailable(NativeWindow*);
void NewTrayWindowAvailable(NativeWindow*);
void NewInputEvent(); //a mouse or keypress was detected (lock-state independent);
void KeyPressDetected(WId, int); //only emitted if lockstate = false
void KeyReleaseDetected(WId, int); //only emitted if lockstate = false
void MousePressDetected(WId, NativeWindowSystem::MouseButton); //only emitted if lockstate = false
void MouseReleaseDetected(WId, NativeWindowSystem::MouseButton); //only emitted if lockstate = false
};
#endif
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