158 lines
3.2 KiB
C++
158 lines
3.2 KiB
C++
/*
|
|
* SPDX-FileCopyrightText: 2014 Hugo Pereira Da Costa <hugo.pereira@free.fr>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#ifndef breezemdiwindowshadow_h
|
|
#define breezemdiwindowshadow_h
|
|
|
|
#include <QEvent>
|
|
#include <QObject>
|
|
#include <QSet>
|
|
|
|
#include <QPaintEvent>
|
|
#include <QPointer>
|
|
#include <QWidget>
|
|
|
|
#include "breezetileset.h"
|
|
|
|
namespace Breeze
|
|
{
|
|
class ShadowHelper;
|
|
|
|
//* frame shadow
|
|
/** this allows the shadow to be painted over the widgets viewport */
|
|
class MdiWindowShadow : public QWidget
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
//* constructor
|
|
explicit MdiWindowShadow(QWidget *, const TileSet &);
|
|
|
|
//* update geometry
|
|
void updateGeometry();
|
|
|
|
//* update ZOrder
|
|
void updateZOrder();
|
|
|
|
//* set associated window
|
|
void setWidget(QWidget *value)
|
|
{
|
|
_widget = value;
|
|
}
|
|
|
|
//* associated window
|
|
QWidget *widget() const
|
|
{
|
|
return _widget;
|
|
}
|
|
|
|
protected:
|
|
//* painting
|
|
void paintEvent(QPaintEvent *) override;
|
|
|
|
private:
|
|
//* associated widget
|
|
QWidget *_widget = nullptr;
|
|
|
|
//* tileset rect, used for painting
|
|
QRect _shadowTilesRect;
|
|
|
|
//* tileset used to draw shadow
|
|
TileSet _shadowTiles;
|
|
};
|
|
|
|
//* shadow manager
|
|
class MdiWindowShadowFactory : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
//* constructor
|
|
explicit MdiWindowShadowFactory(QObject *);
|
|
|
|
//* set shadow helper
|
|
void setShadowHelper(ShadowHelper *shadowHelper)
|
|
{
|
|
_shadowHelper = shadowHelper;
|
|
}
|
|
|
|
//* register widget
|
|
bool registerWidget(QWidget *);
|
|
|
|
//* unregister
|
|
void unregisterWidget(QWidget *);
|
|
|
|
//* true if widget is registered
|
|
bool isRegistered(const QObject *widget) const
|
|
{
|
|
return _registeredWidgets.contains(widget);
|
|
}
|
|
|
|
//* event filter
|
|
bool eventFilter(QObject *, QEvent *) override;
|
|
|
|
protected:
|
|
//* find shadow matching a given object
|
|
MdiWindowShadow *findShadow(QObject *) const;
|
|
|
|
//* install shadows on given widget
|
|
void installShadow(QObject *);
|
|
|
|
//* remove shadows from widget
|
|
void removeShadow(QObject *);
|
|
|
|
//* hide shadows
|
|
void hideShadows(QObject *object) const
|
|
{
|
|
if (MdiWindowShadow *windowShadow = findShadow(object)) {
|
|
windowShadow->hide();
|
|
}
|
|
}
|
|
|
|
//* update ZOrder
|
|
void updateShadowZOrder(QObject *object) const
|
|
{
|
|
if (MdiWindowShadow *windowShadow = findShadow(object)) {
|
|
if (!windowShadow->isVisible()) {
|
|
windowShadow->show();
|
|
}
|
|
windowShadow->updateZOrder();
|
|
}
|
|
}
|
|
|
|
//* update shadows geometry
|
|
void updateShadowGeometry(QObject *object) const
|
|
{
|
|
if (MdiWindowShadow *windowShadow = findShadow(object)) {
|
|
windowShadow->updateGeometry();
|
|
}
|
|
}
|
|
|
|
//* update shadows
|
|
void update(QObject *object) const
|
|
{
|
|
if (MdiWindowShadow *windowShadow = findShadow(object)) {
|
|
windowShadow->update();
|
|
}
|
|
}
|
|
|
|
protected Q_SLOTS:
|
|
|
|
//* triggered by object destruction
|
|
void widgetDestroyed(QObject *);
|
|
|
|
private:
|
|
//* set of registered widgets
|
|
QSet<const QObject *> _registeredWidgets;
|
|
|
|
//* shadow helper used to generate the shadows
|
|
QPointer<ShadowHelper> _shadowHelper;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|