X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fuisupport%2Fsettingspage.h;h=a9f32b8f6efda1ff71ce8a097ced50dc255eb1ac;hp=247efb1f6e353a48fcc2a96cac81192eca643f02;hb=1eb21546673535f5707aa6346e8c749b928cd772;hpb=9a6a8478bdd8c7c5bb4ff1fa3de9510863d65a97 diff --git a/src/uisupport/settingspage.h b/src/uisupport/settingspage.h index 247efb1f..a9f32b8f 100644 --- a/src/uisupport/settingspage.h +++ b/src/uisupport/settingspage.h @@ -24,44 +24,66 @@ #include //! A SettingsPage is a page in the settings dialog. +/** The SettingsDlg provides suitable standard buttons, such as Ok, Apply, Cancel, Restore Defaults and Reset. + * Some pages might also be used in standalone dialogs or other containers. A SettingsPage provides suitable + * slots and signals to allow interaction with the container. + */ class SettingsPage : public QWidget { Q_OBJECT - public: - SettingsPage(const QString &category, const QString &name, QWidget *parent = 0); - virtual ~SettingsPage() {}; - virtual QString category() const; - virtual QString title() const; - virtual bool hasDefaults() const; - - bool hasChanged() const; - - //! Called immediately before save() is called. - /** Derived classes should return false if saving is not possible (e.g. the current settings are invalid). - * \return false, if the SettingsPage cannot be saved in its current state. +public: + SettingsPage(const QString &category, const QString &name, QWidget *parent = 0); + virtual ~SettingsPage() {}; + + //! The category of this settings page. + inline virtual QString category() const { return _category; } + + //! The title of this settings page. + inline virtual QString title() const { return _title; } + + //! Derived classes need to define this and return true if they have default settings. + /** If this method returns true, the "Restore Defaults" button in the SettingsDlg is + * enabled. You also need to provide an implementation of defaults() then. + * + * The default implementation returns false. */ - virtual bool aboutToSave(); - - public slots: - virtual void save() = 0; - virtual void load() = 0; - virtual void defaults(); - - protected slots: - //! Calling this slot is equivalent to calling changeState(true). - void changed(); - - protected: - //! This should be called whenever the widget state changes from unchanged to change or the other way round. - void changeState(bool hasChanged = true); - - signals: - //! Emitted whenever the widget state changes. - void changed(bool hasChanged); + inline virtual bool hasDefaults() const { return false; } + + //! Check if there are changes in the page, compared to the state saved in permanent storage. + inline bool hasChanged() const { return _changed; } + + //! Called immediately before save() is called. + /** Derived classes should return false if saving is not possible (e.g. the current settings are invalid). + * \return false, if the SettingsPage cannot be saved in its current state. + */ + inline virtual bool aboutToSave() { return true; } + +public slots: + //! Save settings to permanent storage. + virtual void save() = 0; + + //! Load settings from permanent storage, overriding any changes the user might have made in the dialog. + virtual void load() = 0; - private: - QString _category, _title; - bool _changed; + //! Restore defaults, overriding any changes the user might have made in the dialog. + /** The default implementation does nothing. + */ + inline virtual void defaults() {} + +protected slots: + //! Calling this slot is equivalent to calling setChangedState(true). + inline void changed() { setChangedState(true); } + + //! This should be called whenever the widget state changes from unchanged to change or the other way round. + void setChangedState(bool hasChanged = true); + +signals: + //! Emitted whenever the widget state changes. + void changed(bool hasChanged); + +private: + QString _category, _title; + bool _changed; }; #endif