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/* This file is part of the KDE libraries
Copyright (C) 1999 Reginald Stadlbauer <reggie@kde.org>
(C) 1999 Simon Hausmann <hausmann@kde.org>
(C) 2000 Nicolas Hadacek <haadcek@kde.org>
(C) 2000 Kurt Granroth <granroth@kde.org>
(C) 2000 Michael Koch <koch@kde.org>
(C) 2001 Holger Freyther <freyther@kde.org>
(C) 2002 Ellis Whitehead <ellis@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
//$Id$
#ifndef __kaction_h__
#define __kaction_h__
//US #include <qkeysequence.h>
#include <qobject.h>
-#include <qvaluelist.h>
-#include <qguardedptr.h>
+#include <q3valuelist.h>
+#include <qpointer.h>
+//Added by qt3to4:
+#include <Q3PopupMenu>
#include <kguiitem.h>
#include <kshortcut.h>
#include <kstdaction.h>
//US#include <kicontheme.h>
//US added the following files
#include <kiconloader.h>
class QMenuBar;
-class QPopupMenu;
+class Q3PopupMenu;
//USclass QComboBox;
//USclass QPoint;
-class QIconSet;
+class QIcon;
class QString;
class KToolBar;
class KAccel;
//USclass KAccelActions;
//USclass KConfig;
//USclass KConfigBase;
//USclass KURL;
//USclass KInstance;
//USclass KToolBar;
class KActionCollection;
//USclass KPopupMenu;
class KMainWindow;
/**
* The KAction class (and derived and super classes) provides a way to
* easily encapsulate a "real" user-selected action or event in your
* program.
*
* For instance, a user may want to @p paste the contents of
* the clipboard or @p scroll @p down a document or @p quit the
* application. These are all @p actions -- events that the
* user causes to happen. The KAction class allows the developer to
* deal with these actions in an easy and intuitive manner.
*
* Specifically, the KAction class encapsulated the various attributes
* to an event/action. For instance, an action might have an icon
* that goes along with it (a clipboard for a "paste" action or
* scissors for a "cut" action). The action might have some text to
* describe the action. It will certainly have a method or function
* that actually @p executes the action! All these attributes
* are contained within the KAction object.
*
* The advantage of dealing with Actions is that you can manipulate
* the Action without regard to the GUI representation of it. For
* instance, in the "normal" way of dealing with actions like "cut",
* you would manually insert a item for Cut into a menu and a button
* into a toolbar. If you want to disable the cut action for a moment
* (maybe nothing is selected), you woud have to hunt down the pointer
* to the menu item and the toolbar button and disable both
* individually. Setting the menu item and toolbar item up uses very
* similar code - but has to be done twice!
*
* With the Action concept, you simply "plug" the Action into whatever
* GUI element you want. The KAction class will then take care of
* correctly defining the menu item (with icons, accelerators, text,
* etc) or toolbar button.. or whatever. From then on, if you
* manipulate the Action at all, the effect will propogate through all
* GUI representations of it. Back to the "cut" example: if you want
* to disable the Cut Action, you would simply do
* 'cutAction->setEnabled(false)' and the menuitem and button would
* instantly be disabled!
*
* This is the biggest advantage to the Action concept -- there is a
* one-to-one relationship between the "real" action and @p all
* GUI representations of it.
*
* KAction emits the activated() signal if the user activated the
* corresponding GUI element ( menu item, toolbar button, etc. )
*
* If you are in the situation of wanting to map the activated()
* signal of multiple action objects to one slot, with a special
* argument bound to each action, then you might consider using
* @ref QSignalMapper . A tiny example:
*
* <PRE>
* QSignalMapper *desktopNumberMapper = new QSignalMapper( this );
* connect( desktopNumberMapper, SIGNAL( mapped( int ) ),
* this, SLOT( moveWindowToDesktop( int ) ) );
*
* for ( uint i = 0; i < numberOfDesktops; ++i ) {
* KAction *desktopAction = new KAction( i18n( "Move Window to Desktop %i" ).arg( i ), ... );
* connect( desktopAction, SIGNAL( activated() ), desktopNumberMapper, SLOT( map() ) );
* desktopNumberMapper->setMapping( desktopAction, i );
* }
* </PRE>
*
* @sect General Usage:
*
* The steps to using actions are roughly as follows
*
* @li Decide which attributes you want to associate with a given
* action (icons, text, keyboard shortcut, etc)
* @li Create the action using KAction (or derived or super class).
* @li "Plug" the Action into whatever GUI element you want. Typically,
* this will be a menu or toolbar.
*
* @sect Detailed Example:
*
* Here is an example of enabling a "New [document]" action
* <PRE>
* KAction *newAct = new KAction(i18n("&New"), "filenew",
* KStdAccel::shortcut(KStdAccel::New),
* this, SLOT(fileNew()),
* actionCollection(), "new");
* </PRE>
* This line creates our action. It says that wherever this action is
* displayed, it will use "&New" as the text, the standard icon, and
* the standard shortcut. It further says that whenever this action
* is invoked, it will use the fileNew() slot to execute it.
*
* <PRE>
* QPopupMenu *file = new QPopupMenu;
* newAct->plug(file);
* </PRE>
* That just inserted the action into the File menu. The point is, it's not
* important in which menu it is: all manipulation of the item is
* done through the newAct object.
*
* <PRE>
* newAct->plug(toolBar());
* </PRE>
* And this inserted the Action into the main toolbar as a button.
*
* That's it!
*
* If you want to disable that action sometime later, you can do so
* with
* <PRE>
* newAct->setEnabled(false)
* </PRE>
* and both the menuitem in File and the toolbar button will instantly
* be disabled.
*
* Do not delete a KAction object without unplugging it from all its
* containers. The simplest way to do that is to use the unplugAll()
* as in the following example:
* <PRE>
* newAct->unplugAll();
* delete newAct;
* </PRE>
* Normally you will not need to do this as KActionCollection manages
* everything for you.
*
* Note: if you are using a "standard" action like "new", "paste",
* "quit", or any other action described in the KDE UI Standards,
* please use the methods in the @ref KStdAction class rather than
* defining your own.
*
* @sect Usage Within the XML Framework:
*
* If you are using KAction within the context of the XML menu and
* toolbar building framework, then there are a few tiny changes. The
* first is that you must insert your new action into an action
* collection. The action collection (a @ref KActionCollection) is,
* logically enough, a central collection of all of the actions
* defined in your application. The XML UI framework code in KXMLGUI
* classes needs access to this collection in order to build up the
* GUI (it's how the builder code knows which actions are valid and
* which aren't).
*
* Also, if you use the XML builder framework, then you do not ever
* have to plug your actions into containers manually. The framework
* does that for you.
*
* @see KStdAction
* @short Class to encapsulate user-driven action or event
*/
class KAction : public QObject
{
friend class KActionCollection;
Q_OBJECT
Q_PROPERTY( int containerCount READ containerCount )
Q_PROPERTY( QString plainText READ plainText )
Q_PROPERTY( QString text READ text WRITE setText )
Q_PROPERTY( QString shortcut READ shortcutText WRITE setShortcutText )
Q_PROPERTY( bool enabled READ isEnabled WRITE setEnabled )
Q_PROPERTY( QString group READ group WRITE setGroup )
Q_PROPERTY( QString whatsThis READ whatsThis WRITE setWhatsThis )
Q_PROPERTY( QString toolTip READ toolTip WRITE setToolTip )
Q_PROPERTY( QString icon READ icon WRITE setIcon )
public:
/**
* Constructs an action with text, potential keyboard
* shortcut, and a SLOT to call when this action is invoked by
* the user.
*
* If you do not want or have a keyboard shortcut,
* set the @p cut param to 0.
*
* This is the most common KAction used when you do not have a
* corresponding icon (note that it won't appear in the current version
* of the "Edit ToolBar" dialog, because an action needs an icon to be
* plugged in a toolbar...).
*
* @param text The text that will be displayed.
* @param cut The corresponding keyboard shortcut.
* @param receiver The SLOT's parent.
* @param slot The SLOT to invoke to execute this action.
* @param parent This action's parent.
* @param name An internal name for this action.
*/
KAction( const QString& text, const KShortcut& cut,
const QObject* receiver, const char* slot,
KActionCollection* parent, const char* name );
/**
* Constructs an action with text, icon, potential keyboard
* shortcut, and a SLOT to call when this action is invoked by
* the user.
*
* If you do not want or have a keyboard shortcut, set the
* @p cut param to 0.
*
* This is the other common KAction used. Use it when you
* @p do have a corresponding icon.
*
* @param text The text that will be displayed.
* @param pix The icon to display.
* @param cut The corresponding keyboard shortcut.
* @param receiver The SLOT's parent.
* @param slot The SLOT to invoke to execute this action.
* @param parent This action's parent.
* @param name An internal name for this action.
*/
- KAction( const QString& text, const QIconSet& pix, const KShortcut& cut,
+ KAction( const QString& text, const QIcon& pix, const KShortcut& cut,
const QObject* receiver, const char* slot,
KActionCollection* parent, const char* name );
/**
* Constructs an action with text, icon, potential keyboard
* shortcut, and a SLOT to call when this action is invoked by
* the user. The icon is loaded on demand later based on where it
* is plugged in.
*
* If you do not want or have a keyboard shortcut, set the
* @p cut param to 0.
*
* This is the other common KAction used. Use it when you
* @p do have a corresponding icon.
*
* @param text The text that will be displayed.
* @param pix The icon to display.
* @param cut The corresponding keyboard shortcut (shortcut).
* @param receiver The SLOT's parent.
* @param slot The SLOT to invoke to execute this action.
* @param parent This action's parent.
* @param name An internal name for this action.
*/
KAction( const QString& text, const QString& pix, const KShortcut& cut,
const QObject* receiver, const char* slot,
KActionCollection* parent, const char* name );
/**
* The same as the above constructor, but with a KGuiItem providing
* the text and icon.
*
* @param item The KGuiItem with the label and (optional) icon.
*/
KAction( const KGuiItem& item, const KShortcut& cut,
const QObject* receiver, const char* slot,
KActionCollection* parent, const char* name );
/**
* @obsolete
*/
KAction( const QString& text, const KShortcut& cut = KShortcut(), QObject* parent = 0, const char* name = 0 );
/**
* @obsolete
*/
KAction( const QString& text, const KShortcut& cut,
const QObject* receiver, const char* slot, QObject* parent, const char* name = 0 );
/**
* @obsolete
*/
- KAction( const QString& text, const QIconSet& pix, const KShortcut& cut = KShortcut(),
+ KAction( const QString& text, const QIcon& pix, const KShortcut& cut = KShortcut(),
QObject* parent = 0, const char* name = 0 );
/**
* @obsolete
*/
KAction( const QString& text, const QString& pix, const KShortcut& cut = KShortcut(),
QObject* parent = 0, const char* name = 0 );
/**
* @obsolete
*/
- KAction( const QString& text, const QIconSet& pix, const KShortcut& cut,
+ KAction( const QString& text, const QIcon& pix, const KShortcut& cut,
const QObject* receiver, const char* slot, QObject* parent, const char* name = 0 );
/**
* @obsolete
*/
KAction( const QString& text, const QString& pix, const KShortcut& cut,
const QObject* receiver, const char* slot, QObject* parent,
const char* name = 0 );
/**
* @obsolete
*/
KAction( QObject* parent = 0, const char* name = 0 );
/**
* Standard destructor
*/
virtual ~KAction();
/**
* "Plug" or insert this action into a given widget.
*
* This will
* typically be a menu or a toolbar. From this point on, you will
* never need to directly manipulate the item in the menu or
* toolbar. You do all enabling/disabling/manipulation directly
* with your KAction object.
*
* @param w The GUI element to display this action
*/
virtual int plug( QWidget *w, int index = -1 );
/**
* @deprecated. Shouldn't be used. No substitute available.
*
* "Plug" or insert this action into a given KAccel.
*
* @param accel The KAccel collection which holds this accel
* @param configurable If the shortcut is configurable via
* the KAccel configuration dialog (this is somehow deprecated since
* there is now a KAction key configuration dialog).
*/
virtual void plugAccel(KAccel *accel, bool configurable = true);
/**
* "Unplug" or remove this action from a given widget.
*
* This will typically be a menu or a toolbar. This is rarely
* used in "normal" application. Typically, it would be used if
* your application has several views or modes, each with a
* completely different menu structure. If you simply want to
* disable an action for a given period, use @ref setEnabled()
* instead.
*
* @param w Remove the action from this GUI element.
*/
virtual void unplug( QWidget *w );
/**
* @deprecated. Complement method to plugAccel().
* Disconnect this action from the KAccel.
*/
virtual void unplugAccel();
/**
* returns whether the action is plugged into any container widget or not.
* @since 3.1
*/
virtual bool isPlugged() const;
/**
* returns whether the action is plugged into the given container
*/
bool isPlugged( const QWidget *container ) const;
/**
* returns whether the action is plugged into the given container with the given, container specific, id (often
* menu or toolbar id ) .
*/
virtual bool isPlugged( const QWidget *container, int id ) const;
/**
* returns whether the action is plugged into the given container with the given, container specific, representative
* container widget item.
*/
virtual bool isPlugged( const QWidget *container, const QWidget *_representative ) const;
QWidget* container( int index ) const;
int itemId( int index ) const;
QWidget* representative( int index ) const;
int containerCount() const;
/// @since 3.1
uint kaccelCount() const;
virtual bool hasIcon() const;
#ifndef KDE_NO_COMPAT
bool hasIconSet() const { return hasIcon(); }
#endif
virtual QString plainText() const;
/**
* Get the text associated with this action.
*/
virtual QString text() const;
/**
* Get the keyboard shortcut associated with this action.
*/
virtual const KShortcut& shortcut() const;
/**
* Get the default shortcut for this action.
*/
virtual const KShortcut& shortcutDefault() const;
// These two methods are for Q_PROPERTY
QString shortcutText() const;
void setShortcutText( const QString& );
/**
* Returns true if this action is enabled.
*/
virtual bool isEnabled() const;
/**
* Returns true if this action's shortcut is configurable.
*/
virtual bool isShortcutConfigurable() const;
virtual QString group() const;
/**
* Get the What's this text for the action.
*/
virtual QString whatsThis() const;
/**
* Get the tooltip text for the action.
*/
virtual QString toolTip() const;
/**
* Get the QIconSet from which the icons used to display this action will
* be chosen.
*/
- virtual QIconSet iconSet( KIcon::Group group, int size=0 ) const;
+ virtual QIcon iconSet( KIcon::Group group, int size=0 ) const;
#ifndef KDE_NO_COMPAT
- QIconSet iconSet() const
+ QIcon iconSet() const
{
return iconSet( KIcon::Small );
}
#endif
virtual QString icon() const;
KActionCollection *parentCollection() const;
/**
* @internal
* Generate a toolbar button id. Made public for reimplementations.
*/
static int getToolButtonID();
void unplugAll();
public slots:
/**
* Sets the text associated with this action. The text is used for menu
* and toolbar labels etc.
*/
virtual void setText(const QString &text);
/**
* Sets the keyboard shortcut associated with this action.
*/
virtual bool setShortcut( const KShortcut& );
virtual void setGroup( const QString& );
/**
* Sets the What's this text for the action. This text will be displayed when
* a widget that has been created by plugging this action into a container
* is clicked on in What's this mode.
*
* The What's this text can include QML markup as well as raw text.
*/
virtual void setWhatsThis( const QString& text );
/**
* Sets the tooltip text for the action.
* This will be used as a tooltip for a toolbar button, as a
* statusbar help-text for a menu item, and it also appears
* in the toolbar editor, to describe the action.
*/
virtual void setToolTip( const QString& );
/**
* Sets the QIconSet from which the icons used to display this action will
* be chosen.
*/
- virtual void setIconSet( const QIconSet &iconSet );
+ virtual void setIconSet( const QIcon &iconSet );
virtual void setIcon( const QString& icon );
/**
* Enables or disables this action. All uses of this action (eg. in menus
* or toolbars) will be updated to reflect the state of the action.
*/
virtual void setEnabled(bool enable);
/**
* Indicate whether the user may configure the action's shortcut.
*/
virtual void setShortcutConfigurable( bool );
/**
* Emulate user's interaction programmatically, by activating the action.
* The implementation simply emits activated().
*/
virtual void activate();
protected slots:
virtual void slotDestroyed();
virtual void slotKeycodeChanged();
virtual void slotActivated();
protected:
KToolBar* toolBar( int index ) const;
- QPopupMenu* popupMenu( int index ) const;
+ Q3PopupMenu* popupMenu( int index ) const;
void removeContainer( int index );
int findContainer( const QWidget* widget ) const;
void plugMainWindowAccel( QWidget *w );
void addContainer( QWidget* parent, int id );
void addContainer( QWidget* parent, QWidget* representative );
virtual void updateShortcut( int i );
- virtual void updateShortcut( QPopupMenu* menu, int id );
+ virtual void updateShortcut( Q3PopupMenu* menu, int id );
virtual void updateGroup( int id );
virtual void updateText(int i );
virtual void updateEnabled(int i);
virtual void updateIconSet(int i);
virtual void updateIcon( int i);
virtual void updateToolTip( int id );
virtual void updateWhatsThis( int i );
KActionCollection *m_parentCollection;
QString whatsThisWithIcon() const;
signals:
void activated();
void enabled( bool );
private:
void initPrivate( const QString& text, const KShortcut& cut,
const QObject* receiver, const char* slot );
KAccel* kaccelCurrent();
bool initShortcut( const KShortcut& );
void plugShortcut();
bool updateKAccelShortcut( KAccel* kaccel );
void insertKAccel( KAccel* );
/** @internal To be used exclusively by KActionCollection::removeWidget(). */
void removeKAccel( KAccel* );
#ifndef KDE_NO_COMPAT
public:
/**
* @deprecated. Use shortcut().
* Get the keyboard accelerator associated with this action.
*/
int accel() const;
QString statusText() const
{ return toolTip(); }
/**
* @deprecated. Use setShortcut().
* Sets the keyboard accelerator associated with this action.
*/
void setAccel( int key );
/**
* @deprecated. Use setToolTip instead (they do the same thing now).
*/
void setStatusText( const QString &text )
{ setToolTip( text ); }
/**
* @deprecated. for backwards compatibility.
*/
int menuId( int i ) { return itemId( i ); }
#endif // !KDE_NO_COMPAT
protected:
virtual void virtual_hook( int id, void* data );
private:
class KActionPrivate;
KActionPrivate *d;
};
#include <kactioncollection.h>
#include <kactionclasses.h>
#endif