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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2013-02-01 17:25:43 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2013-02-01 17:25:43 -0600
commitd888cfa39e8b38abe17f3d425d19cb8235136a79 (patch)
tree7ae5487b84106036fdb781beec26fab10678a595 /tdecore/tdeaccel.h
parentdeac2ca49faed824fe83066080714eb6d653615b (diff)
downloadtdelibs-d888cfa39e8b38abe17f3d425d19cb8235136a79.tar.gz
tdelibs-d888cfa39e8b38abe17f3d425d19cb8235136a79.zip
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+/* This file is part of the KDE libraries
+ Copyright (C) 2001,2002 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 as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ 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., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#ifndef _KACCEL_H
+#define _KACCEL_H
+
+#include <tqaccel.h>
+#include <kshortcut.h>
+#include <kstdaccel.h>
+#include "tdelibs_export.h"
+
+class TQPopupMenu; // for obsolete insertItem() methods below
+class TQWidget;
+class TDEAccelAction;
+class TDEAccelActions;
+class TDEConfigBase;
+
+class TDEAccelPrivate;
+/**
+ * Handle shortcuts.
+ *
+ * Allow a user to configure shortcuts
+ * through application configuration files or through the
+ * KKeyChooser GUI.
+ *
+ * A TDEAccel contains a list of accelerator actions.
+ *
+ * For example, CTRL+Key_P could be a shortcut for printing a document. The key
+ * codes are listed in tqnamespace.h. "Print" could be the action name for printing.
+ * The action name identifies the shortcut in configuration files and the
+ * KKeyChooser GUI.
+ *
+ * A TDEAccel object handles key events sent to its parent widget and to all
+ * children of this parent widget. The most recently created TDEAccel object
+ * has precedence over any TDEAccel objects created before it.
+ * When a shortcut pressed, TDEAccel calls the slot to which it has been
+ * connected. If you want to set global accelerators, independent of the window
+ * which has the focus, use TDEGlobalAccel.
+ *
+ * Reconfiguration of a given shortcut can be prevented by specifying
+ * that an accelerator item is not configurable when it is inserted. A special
+ * group of non-configurable key bindings are known as the
+ * standard accelerators.
+ *
+ * The standard accelerators appear repeatedly in applications for
+ * standard document actions such as printing and saving. A convenience method is
+ * available to insert and connect these accelerators which are configurable on
+ * a desktop-wide basis.
+ *
+ * It is possible for a user to choose to have no key associated with
+ * an action.
+ *
+ * The translated first argument for insertItem() is used only
+ * in the configuration dialog.
+ *\code
+ * TDEAccel* pAccel = new TDEAccel( this );
+ *
+ * // Insert an action "Scroll Up" which is associated with the "Up" key:
+ * pAccel->insert( "Scroll Up", i18n("Scroll up"),
+ * i18n("Scroll up the current document by one line."),
+ * Qt::Key_Up, this, TQT_SLOT(slotScrollUp()) );
+ * // Insert an standard acclerator action.
+ * pAccel->insert( TDEStdAccel::Print, this, TQT_SLOT(slotPrint()) );
+ *
+ * // Update the shortcuts by read any user-defined settings from the
+ * // application's config file.
+ * pAccel->readSettings();
+ * \endcode
+ *
+ * @short Configurable shortcut support for widgets.
+ * @see TDEGlobalAccel
+ * @see TDEAccelShortcutList
+ * @see KKeyChooser
+ * @see KKeyDialog
+ */
+
+class TDECORE_EXPORT TDEAccel : public TQAccel
+{
+ Q_OBJECT
+ public:
+ /**
+ * Creates a new TDEAccel that watches @p pParent, which is also
+ * the QObject's parent.
+ *
+ * @param pParent the parent and widget to watch for key strokes
+ * @param psName the name of the QObject
+ */
+ TDEAccel( TQWidget* pParent, const char* psName = 0 );
+
+ /**
+ * Creates a new TDEAccel that watches @p watch.
+ *
+ * @param watch the widget to watch for key strokes
+ * @param parent the parent of the QObject
+ * @param psName the name of the QObject
+ */
+ TDEAccel( TQWidget* watch, TQObject* parent, const char* psName = 0 );
+ virtual ~TDEAccel();
+
+ /**
+ * @internal
+ * Returns the TDEAccel's @p TDEAccelActions, a list of @p TDEAccelAction.
+ * @return the TDEAccelActions of the TDEAccel
+ */
+ TDEAccelActions& actions();
+
+ /**
+ * @internal
+ * Returns the TDEAccel's @p TDEAccelActions, a list of @p TDEAccelAction.
+ * @return the TDEAccelActions of the TDEAccel
+ */
+ const TDEAccelActions& actions() const;
+
+ /**
+ * Checks whether the TDEAccel is active.
+ * @return true if the TQAccel is enabled
+ */
+ bool isEnabled();
+
+ /**
+ * Enables or disables the TDEAccel.
+ * @param bEnabled true to enable, false to disable
+ */
+ void setEnabled( bool bEnabled );
+
+ /**
+ * Enable auto-update of connections. This means that the signals
+ * are automatically disconnected when you disable an action, and
+ * re-enabled when you enable it. By default auto update is turned
+ * on. If you disable auto-update, you need to call
+ * updateConnections() after changing actions.
+ *
+ * @param bAuto true to enable, false to disable
+ * @return the value of the flag before this call
+ */
+ bool setAutoUpdate( bool bAuto );
+
+ /**
+ * Create an accelerator action.
+ *
+ * Usage:
+ *\code
+ * insert( "Do Something", i18n("Do Something"),
+ * i18n("This action allows you to do something really great with this program to "
+ * "the currently open document."),
+ * ALT+Key_D, this, TQT_SLOT(slotDoSomething()) );
+ *\endcode
+ *
+ * @param sAction The internal name of the action.
+ * @param sLabel An i18n'ized short description of the action displayed when
+ * using KKeyChooser to reconfigure the shortcuts.
+ * @param sWhatsThis An extended description of the action.
+ * @param cutDef The default shortcut.
+ * @param pObjSlot Pointer to the slot object.
+ * @param psMethodSlot Pointer to the slot method.
+ * @param bConfigurable Allow the user to change this shortcut if set to 'true'.
+ * @param bEnabled The action will be activated by the shortcut if set to 'true'.
+ */
+ TDEAccelAction* insert( const TQString& sAction, const TQString& sLabel, const TQString& sWhatsThis,
+ const TDEShortcut& cutDef,
+ const TQObject* pObjSlot, const char* psMethodSlot,
+ bool bConfigurable = true, bool bEnabled = true );
+ /**
+ * Same as first insert(), but with separate shortcuts defined for
+ * 3- and 4- modifier defaults.
+ */
+ TDEAccelAction* insert( const TQString& sAction, const TQString& sLabel, const TQString& sWhatsThis,
+ const TDEShortcut& cutDef3, const TDEShortcut& cutDef4,
+ const TQObject* pObjSlot, const char* psMethodSlot,
+ bool bConfigurable = true, bool bEnabled = true );
+ /**
+ * This is an overloaded function provided for convenience.
+ * The advantage of this is when you want to use the same text for the name
+ * of the action as for the user-visible label.
+ *
+ * Usage:
+ * \code
+ * insert( i18n("Do Something"), ALT+Key_D, this, TQT_SLOT(slotDoSomething()) );
+ * \endcode
+ *
+ * @param psAction The name AND label of the action.
+ * @param cutDef The default shortcut for this action.
+ * @param pObjSlot Pointer to the slot object.
+ * @param psMethodSlot Pointer to the slot method.
+ * @param bConfigurable Allow the user to change this shortcut if set to 'true'.
+ * @param bEnabled The action will be activated by the shortcut if set to 'true'.
+ */
+ TDEAccelAction* insert( const char* psAction, const TDEShortcut& cutDef,
+ const TQObject* pObjSlot, const char* psMethodSlot,
+ bool bConfigurable = true, bool bEnabled = true );
+ /**
+ * Similar to the first insert() method, but with the action
+ * name, short description, help text, and default shortcuts all
+ * set according to one of the standard accelerators.
+ * @see TDEStdAccel.
+ */
+ TDEAccelAction* insert( TDEStdAccel::StdAccel id,
+ const TQObject* pObjSlot, const char* psMethodSlot,
+ bool bConfigurable = true, bool bEnabled = true );
+
+ /**
+ * Removes the accelerator action identified by the name.
+ * Remember to also call updateConnections().
+ * @param sAction the name of the action to remove
+ * @return true if successful, false otherwise
+ */
+ bool remove( const TQString& sAction );
+
+ /**
+ * Updates the connections of the accelerations after changing them.
+ * This is only necessary if you have disabled auto updates which are
+ * on by default.
+ * @return true if successful, false otherwise
+ * @see setAutoUpdate()
+ * @see getAutoUpdate()
+ */
+ bool updateConnections();
+
+ /**
+ * Return the shortcut associated with the action named by @p sAction.
+ * @param sAction the name of the action
+ * @return the action's shortcut, or a null shortcut if not found
+ */
+ const TDEShortcut& shortcut( const TQString& sAction ) const;
+
+ /**
+ * Set the shortcut to be associated with the action named by @p sAction.
+ * @param sAction the name of the action
+ * @param shortcut the shortcut to set
+ * @return true if successful, false otherwise
+ */
+ bool setShortcut( const TQString& sAction, const TDEShortcut &shortcut );
+
+ /**
+ * Set the slot to be called when the shortcut of the action named
+ * by @p sAction is pressed.
+ * @param sAction the name of the action
+ * @param pObjSlot the owner of the slot
+ * @param psMethodSlot the name of the slot
+ * @return true if successful, false otherwise
+ */
+ bool setSlot( const TQString& sAction, const TQObject* pObjSlot, const char* psMethodSlot );
+ /**
+ * Enable or disable the action named by @p sAction.
+ * @param sAction the action to en-/disable
+ * @param bEnabled true to enable, false to disable
+ * @return true if successful, false otherwise
+ */
+ bool setEnabled( const TQString& sAction, bool bEnabled );
+
+ /**
+ * Returns the configuration group of the settings.
+ * @return the configuration group
+ * @see TDEConfig
+ */
+ const TQString& configGroup() const;
+
+ /**
+ * Returns the configuration group of the settings.
+ * @param name the new configuration group
+ * @see TDEConfig
+ */
+ void setConfigGroup( const TQString &name );
+
+ /**
+ * Read all shortcuts from @p pConfig, or (if @p pConfig
+ * is zero) from the application's configuration file
+ * TDEGlobal::config().
+ *
+ * The group in which the configuration is stored can be
+ * set with setConfigGroup().
+ * @param pConfig the configuration file, or 0 for the application
+ * configuration file
+ * @return true if successful, false otherwise
+ */
+ bool readSettings( TDEConfigBase* pConfig = 0 );
+ /**
+ * Write the current shortcuts to @p pConfig,
+ * or (if @p pConfig is zero) to the application's
+ * configuration file.
+ * @param pConfig the configuration file, or 0 for the application
+ * configuration file
+ * @return true if successful, false otherwise
+ */
+ bool writeSettings( TDEConfigBase* pConfig = 0 ) const;
+
+ /**
+ * Emits the keycodeChanged() signal.
+ */
+ void emitKeycodeChanged();
+
+ signals:
+ /**
+ * Emitted when one of the key codes has changed.
+ */
+ void keycodeChanged();
+
+#ifndef KDE_NO_COMPAT
+ public:
+ // Source compatibility to KDE 2.x
+ /**
+ * @deprecated use insert
+ */
+ bool insertItem( const TQString& sLabel, const TQString& sAction,
+ const char* psKey,
+ int nIDMenu = 0, TQPopupMenu* pMenu = 0, bool bConfigurable = true ) KDE_DEPRECATED;
+ /**
+ * @deprecated use insert
+ */
+ bool insertItem( const TQString& sLabel, const TQString& sAction,
+ int key,
+ int nIDMenu = 0, TQPopupMenu* pMenu = 0, bool bConfigurable = true ) KDE_DEPRECATED;
+ /**
+ * @deprecated use insert
+ */
+ bool insertStdItem( TDEStdAccel::StdAccel id, const TQString& descr = TQString::null ) KDE_DEPRECATED;
+ /**
+ * @deprecated use insert
+ */
+ bool connectItem( const TQString& sAction, const TQObject* pObjSlot, const char* psMethodSlot, bool bActivate = true ) KDE_DEPRECATED;
+ /**
+ * @deprecated use insert( accel, pObjSlot, psMethodSlot );
+ *
+ */
+ KDE_DEPRECATED bool connectItem( TDEStdAccel::StdAccel accel, const TQObject* pObjSlot, const char* psMethodSlot )
+ { return insert( accel, pObjSlot, psMethodSlot ); }
+ /**
+ * @deprecated use remove
+ */
+ bool removeItem( const TQString& sAction ) KDE_DEPRECATED;
+ /**
+ * @deprecated
+ */
+ bool setItemEnabled( const TQString& sAction, bool bEnable ) KDE_DEPRECATED;
+ /**
+ * @deprecated see KDE3PORTING.html
+ */
+ void changeMenuAccel( TQPopupMenu *menu, int id, const TQString& action ) KDE_DEPRECATED;
+ /**
+ * @deprecated see KDE3PORTING.html
+ */
+ void changeMenuAccel( TQPopupMenu *menu, int id, TDEStdAccel::StdAccel accel ) KDE_DEPRECATED;
+ /**
+ * @deprecated
+ */
+ static int stringToKey( const TQString& ) KDE_DEPRECATED;
+
+ /**
+ * @deprecated Use shortcut().
+ *
+ * Retrieve the key code of the accelerator item with the action name
+ * @p action, or zero if either the action name cannot be
+ * found or the current key is set to no key.
+ */
+ int currentKey( const TQString& action ) const KDE_DEPRECATED;
+
+ /**
+ * @deprecated Use actions().actionPtr().
+ *
+ * Return the name of the accelerator item with the keycode @p key,
+ * or TQString::null if the item cannot be found.
+ */
+ TQString findKey( int key ) const KDE_DEPRECATED;
+#endif // !KDE_NO_COMPAT
+
+ protected:
+ /** \internal */
+ virtual void virtual_hook( int id, void* data );
+ private:
+ class TDEAccelPrivate* d;
+ friend class TDEAccelPrivate;
+};
+
+#endif // _KACCEL_H