369 lines
13 KiB
C++
369 lines
13 KiB
C++
/*
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2005 Sandro Giessl <sandro@giessl.com>
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a
|
|
copy of this software and associated documentation files (the "Software"),
|
|
to deal in the Software without restriction, including without limitation
|
|
the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
and/or sell copies of the Software, and to permit persons to whom the
|
|
Software is furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef KCOMMONDECORATION_H
|
|
#define KCOMMONDECORATION_H
|
|
|
|
#include <QtGui/QAbstractButton>
|
|
#include "kdecoration.h"
|
|
|
|
class KDecorationBridge;
|
|
class KDecorationFactory;
|
|
|
|
enum ButtonType {
|
|
HelpButton=0,
|
|
MaxButton,
|
|
MinButton,
|
|
CloseButton,
|
|
MenuButton,
|
|
OnAllDesktopsButton,
|
|
AboveButton,
|
|
BelowButton,
|
|
ShadeButton,
|
|
NumButtons
|
|
};
|
|
|
|
class KCommonDecorationButton;
|
|
|
|
class KCommonDecorationButtonPrivate;
|
|
class KCommonDecorationPrivate;
|
|
|
|
/**
|
|
* This class eases development of decorations by implementing parts of KDecoration
|
|
* which are error prone and common for most decorations.
|
|
* It takes care of the window layout, button/action handling, and window mask creation.
|
|
*/
|
|
class KWIN_EXPORT KCommonDecoration : public KDecoration
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
KCommonDecoration(KDecorationBridge* bridge, KDecorationFactory* factory);
|
|
virtual ~KCommonDecoration();
|
|
|
|
/**
|
|
* Used to calculate the decoration layout. The basic layout looks like this:
|
|
*
|
|
* Window:
|
|
* _______________________________________________________________
|
|
* | LM_TitleEdgeTop |
|
|
* |_______________________________________________________________|
|
|
* | LM_TitleEdgeLeft | [title] | LM_TitleEdgeRight |
|
|
* |__________________|________________________|___________________|
|
|
* | LM_TitleEdgeBottom |
|
|
* |_______________________________________________________________|
|
|
* | | | |
|
|
* | | | |
|
|
* | | | |
|
|
* |LM_BorderLeft LM_BorderRight|
|
|
* |_|___________________________________________________________|_|
|
|
* | LM_BorderBottom |
|
|
* |_______________________________________________________________|
|
|
*
|
|
* Title:
|
|
* ___________________________________________________________________________________
|
|
* | LM_ButtonMarginTop | | LM_ButtonMarginTop |
|
|
* |________________________________| |_________________________________|
|
|
* | [Buttons] | LM_TitleBorderLeft | LM_TitleHeight | LM_TitleBorderRight | [Buttons] |
|
|
* |___________|____________________|________________|_____________________|___________|
|
|
*
|
|
* Buttons:
|
|
* _____________________________________________________________________________________________
|
|
* | button | spacing | button | spacing | explicit spacer | spacing | ... | spacing | button |
|
|
* |________|_________|________|_________|_________________|_________|________|_________|________|
|
|
*
|
|
* @see layoutMetric()
|
|
*/
|
|
enum LayoutMetric
|
|
{
|
|
LM_BorderLeft,
|
|
LM_BorderRight,
|
|
LM_BorderBottom,
|
|
LM_TitleHeight,
|
|
LM_TitleBorderLeft,
|
|
LM_TitleBorderRight,
|
|
LM_TitleEdgeLeft,
|
|
LM_TitleEdgeRight,
|
|
LM_TitleEdgeTop,
|
|
LM_TitleEdgeBottom,
|
|
LM_ButtonWidth,
|
|
LM_ButtonHeight,
|
|
LM_ButtonSpacing,
|
|
LM_ExplicitButtonSpacer,
|
|
LM_ButtonMarginTop
|
|
};
|
|
|
|
enum DecorationBehaviour
|
|
{
|
|
DB_MenuClose, ///< Close window on double clicking the menu
|
|
DB_WindowMask, ///< Set a mask on the window
|
|
DB_ButtonHide ///< Hide buttons when there is not enough space in the titlebar
|
|
};
|
|
|
|
enum WindowCorner
|
|
{
|
|
WC_TopLeft,
|
|
WC_TopRight,
|
|
WC_BottomLeft,
|
|
WC_BottomRight
|
|
};
|
|
|
|
/**
|
|
* The name of the decoration used in the decoration preview.
|
|
*/
|
|
virtual QString visibleName() const = 0;
|
|
/**
|
|
* The default title button order on the left.
|
|
* @see KDecoration::titleButtonsLeft()
|
|
* @see KDecoration::titleButtonsRight()
|
|
*/
|
|
virtual QString defaultButtonsLeft() const = 0;
|
|
/**
|
|
* The default title button order on the left.
|
|
* @see KDecoration::titleButtonsLeft()
|
|
* @see KDecoration::titleButtonsRight()
|
|
*/
|
|
virtual QString defaultButtonsRight() const = 0;
|
|
|
|
/**
|
|
* This controls whether some specific behaviour should be enabled or not.
|
|
* @see DecorationBehaviour
|
|
*/
|
|
virtual bool decorationBehaviour(DecorationBehaviour behaviour) const;
|
|
|
|
/**
|
|
* This controls the layout of the decoration in various ways. It is
|
|
* possible to have a different layout for different window states.
|
|
* @param lm The layout element.
|
|
* @param respectWindowState Whether window states should be taken into account or a "default" state should be assumed.
|
|
* @param button For LM_ButtonWidth and LM_ButtonHeight, the button.
|
|
*/
|
|
virtual int layoutMetric(LayoutMetric lm, bool respectWindowState = true, const KCommonDecorationButton *button = 0) const;
|
|
|
|
/**
|
|
* Create a new title bar button. KCommonDecoration takes care of memory management.
|
|
* @return a pointer to the button, or 0 if the button should not be created.
|
|
*/
|
|
virtual KCommonDecorationButton *createButton(ButtonType type) = 0;
|
|
|
|
/**
|
|
* @return the mask for the specific window corner.
|
|
*/
|
|
virtual QRegion cornerShape(WindowCorner corner);
|
|
|
|
/**
|
|
* This updates the window mask using the information provided by
|
|
* cornerShape(). Edges which are aligned to screen corners are not
|
|
* shaped for better usability (remember to paint these areas in paintEvent(), too).
|
|
* You normally don't want/need to reimplement updateWindowShape().
|
|
* @see cornerShape()
|
|
*/
|
|
virtual void updateWindowShape();
|
|
|
|
/**
|
|
* Draw the window decoration.
|
|
*/
|
|
virtual void paintEvent(QPaintEvent *e) = 0;
|
|
|
|
/**
|
|
* This is used to update the painting of the title bar after the caption has been changed.
|
|
* Reimplement for a more efficient implementation (default calls update() on the whole decoration).
|
|
*/
|
|
virtual void updateCaption();
|
|
|
|
int buttonsLeftWidth() const;
|
|
int buttonsRightWidth() const;
|
|
|
|
/**
|
|
* TODO: remove?
|
|
*/
|
|
void updateLayout() const;
|
|
/**
|
|
* Makes sure all buttons are repainted.
|
|
*/
|
|
void updateButtons() const;
|
|
/**
|
|
* Manually call reset() on each button.
|
|
*/
|
|
void resetButtons() const;
|
|
|
|
/**
|
|
* Convenience method.
|
|
* @returns true if the window type is NET::Toolbar, NET::Utility, or NET::Menu
|
|
*/
|
|
bool isToolWindow() const;
|
|
/**
|
|
* Convenience method.
|
|
* @returns the title rect.
|
|
*/
|
|
QRect titleRect() const;
|
|
|
|
public:
|
|
/**
|
|
* Handles widget and layout creation, call the base implementation when subclassing this member.
|
|
*/
|
|
virtual void init();
|
|
/**
|
|
* Handles SettingButtons, call the base implementation when subclassing this member.
|
|
*/
|
|
virtual void reset( unsigned long changed );
|
|
virtual void borders( int& left, int& right, int& top, int& bottom ) const;
|
|
virtual void show();
|
|
virtual void resize(const QSize& s);
|
|
virtual QSize minimumSize() const;
|
|
virtual void maximizeChange();
|
|
virtual void desktopChange();
|
|
virtual void shadeChange();
|
|
virtual void iconChange();
|
|
virtual void activeChange();
|
|
virtual void captionChange();
|
|
public Q_SLOTS:
|
|
void keepAboveChange(bool above);
|
|
void keepBelowChange(bool below);
|
|
void slotMaximize();
|
|
void slotShade();
|
|
void slotKeepAbove();
|
|
void slotKeepBelow();
|
|
void menuButtonPressed();
|
|
void menuButtonReleased();
|
|
public:
|
|
virtual Position mousePosition(const QPoint &point) const;
|
|
|
|
virtual bool eventFilter( QObject* o, QEvent* e );
|
|
virtual void resizeEvent(QResizeEvent *e);
|
|
virtual void mouseDoubleClickEvent(QMouseEvent *e);
|
|
virtual void wheelEvent(QWheelEvent *e);
|
|
|
|
private:
|
|
void resetLayout();
|
|
|
|
void moveWidget(int x, int y, QWidget *widget) const;
|
|
void resizeWidget(int w, int h, QWidget *widget) const;
|
|
|
|
typedef QVector <KCommonDecorationButton*> ButtonContainer; ///< If the entry is 0, it's a spacer.
|
|
int buttonContainerWidth(const ButtonContainer &btnContainer, bool countHidden = false) const;
|
|
void addButtons(ButtonContainer &btnContainer, const QString& buttons, bool isLeft);
|
|
|
|
KCommonDecorationButton *m_button[NumButtons];
|
|
|
|
ButtonContainer m_buttonsLeft;
|
|
ButtonContainer m_buttonsRight;
|
|
|
|
QWidget *m_previewWidget;
|
|
|
|
// button hiding for small windows
|
|
void calcHiddenButtons();
|
|
int btnHideMinWidth;
|
|
int btnHideLastWidth;
|
|
|
|
bool closing; // for menu doubleclick closing...
|
|
|
|
KCommonDecorationPrivate *d;
|
|
};
|
|
|
|
/**
|
|
* Title bar buttons of KCommonDecoration need to inherit this class.
|
|
*/
|
|
class KWIN_EXPORT KCommonDecorationButton : public QAbstractButton
|
|
{
|
|
Q_OBJECT
|
|
|
|
friend class KCommonDecoration;
|
|
|
|
public:
|
|
KCommonDecorationButton(ButtonType type, KCommonDecoration *parent);
|
|
virtual ~KCommonDecorationButton();
|
|
|
|
/**
|
|
* These flags specify what has changed, e.g. the reason for a reset().
|
|
*/
|
|
enum
|
|
{
|
|
ManualReset = 1 << 0, ///< The button might want to do a full reset for some reason...
|
|
SizeChange = 1 << 1, ///< The button size changed @see setSize()
|
|
ToggleChange = 1 << 2, ///< The button toggle state has changed @see setToggleButton()
|
|
StateChange = 1 << 3, ///< The button has been set pressed or not... @see setOn()
|
|
IconChange = 1 << 4, ///< The window icon has been changed
|
|
DecorationReset = 1 << 5 ///< E.g. when decoration colors have changed
|
|
};
|
|
/**
|
|
* Initialize the button after size change etc.
|
|
*/
|
|
virtual void reset(unsigned long changed) = 0;
|
|
/**
|
|
* @returns the KCommonDecoration the button belongs to.
|
|
*/
|
|
KCommonDecoration *decoration() const;
|
|
/**
|
|
* @returns the button type.
|
|
* @see ButtonType
|
|
*/
|
|
ButtonType type() const;
|
|
|
|
/**
|
|
* Whether the button is left of the titlebar or not.
|
|
*/
|
|
bool isLeft() const;
|
|
|
|
/**
|
|
* Set which mouse buttons the button should honor. Used e.g. to prevent accidental right mouse clicks.
|
|
*/
|
|
void setRealizeButtons(int btns);
|
|
/**
|
|
* Set the button size.
|
|
*/
|
|
void setSize(const QSize &s);
|
|
/**
|
|
* Set/update the button's tool tip
|
|
*/
|
|
void setTipText(const QString &tip);
|
|
/**
|
|
* The mouse button that has been clicked last time.
|
|
*/
|
|
Qt::MouseButtons lastMousePress() const { return m_lastMouse; }
|
|
|
|
QSize sizeHint() const;
|
|
|
|
protected:
|
|
void setToggleButton(bool toggle);
|
|
void setOn(bool on);
|
|
void setLeft(bool left);
|
|
void mousePressEvent(QMouseEvent *e);
|
|
void mouseReleaseEvent(QMouseEvent *e);
|
|
|
|
private:
|
|
KCommonDecoration *m_decoration;
|
|
ButtonType m_type;
|
|
int m_realizeButtons;
|
|
QSize m_size;
|
|
Qt::MouseButtons m_lastMouse;
|
|
|
|
bool m_isLeft;
|
|
|
|
KCommonDecorationButtonPrivate *d;
|
|
};
|
|
|
|
#endif // KCOMMONDECORATION_H
|
|
|
|
// kate: space-indent on; indent-width 4; mixedindent off; indent-mode cstyle;
|