src/FbTk/Menu.hh (raw)
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// Menu.hh for FbTk - Fluxbox Toolkit // Copyright (c) 2001 - 2004 Henrik Kinnunen (fluxgen at fluxbox dot org) // // Basemenu.hh for Blackbox - an X11 Window manager // Copyright (c) 1997 - 2000 Brad Hughes (bhughes at tcac.net) // // 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 FBTK_MENU_HH #define FBTK_MENU_HH #include <vector> #include <memory> #include "FbString.hh" #include "FbWindow.hh" #include "EventHandler.hh" #include "MenuTheme.hh" #include "Timer.hh" namespace FbTk { template <typename T> class Command; class MenuItem; class ImageControl; template <typename T> class RefCount; /// Base class for menus class Menu: public FbTk::EventHandler, FbTk::FbWindowRenderer { public: static Menu* shownMenu(); static Menu* focused(); static void hideShownMenu(); enum Alignment{ ALIGNDONTCARE = 1, ALIGNTOP, ALIGNBOTTOM }; enum { RIGHT = 1, LEFT }; enum { UP = 1, DOWN = 0 }; /** Bullet type */ enum { EMPTY = 0, SQUARE, TRIANGLE, DIAMOND }; Menu(FbTk::ThemeProxy<MenuTheme> &tm, ImageControl &imgctrl); virtual ~Menu(); /** @name manipulators */ //@{ int insertCommand(const FbString &label, RefCount<Command<void> > &cmd, int pos=-1); int insert(const FbString &label, int pos=-1); int insertSubmenu(const FbString &label, Menu *submenu, int pos= -1); int insertItem(MenuItem *item, int pos=-1); int remove(unsigned int item); int removeItem(MenuItem* item); void removeAll(); void setInternalMenu(bool val = true) { m_internal_menu = val; } void setAlignment(Alignment a) { m_alignment = a; } virtual void raise(); virtual void lower(); void cycleItems(bool reverse); void setActiveIndex(int new_index); void enterSubmenu(); void disableTitle(); void enableTitle(); bool isTitleVisible() const { return m_title.visible; } void setScreen(int x, int y, unsigned int w, unsigned int h); /** @name event handlers */ //@{ void handleEvent(XEvent &event); void buttonPressEvent(XButtonEvent &bp); virtual void buttonReleaseEvent(XButtonEvent &br); void motionNotifyEvent(XMotionEvent &mn); void exposeEvent(XExposeEvent &ee); void keyPressEvent(XKeyEvent &ke); void leaveNotifyEvent(XCrossingEvent &ce); //@} void grabInputFocus(); virtual void reconfigure(); void setLabel(const FbTk::BiDiString &labelstr); virtual void move(int x, int y); virtual void updateMenu(); void setItemSelected(unsigned int index, bool val); void setItemEnabled(unsigned int index, bool val); void setMinimumColumns(int columns) { m_min_columns = columns; } virtual void drawSubmenu(unsigned int index); virtual void show(); virtual void hide(bool force = false); virtual void clearWindow(); /*@}*/ /** @name accessors */ //@{ bool isTorn() const { return m_state.torn; } bool isVisible() const { return m_state.visible; } bool isMoving() const { return m_state.moving; } int screenNumber() const { return m_window.screenNumber(); } Window window() const { return m_window.window(); } FbWindow &fbwindow() { return m_window; } const FbWindow &fbwindow() const { return m_window; } FbWindow &titleWindow() { return m_title.win; } FbWindow &frameWindow() { return m_frame.win; } const FbTk::BiDiString &label() const { return m_title.label; } int x() const { return m_window.x(); } int y() const { return m_window.y(); } unsigned int width() const { return m_window.width(); } unsigned int height() const { return m_window.height(); } size_t numberOfItems() const { return m_items.size(); } int currentSubmenu() const { return m_which_sub; } bool isItemSelected(unsigned int index) const; bool isItemEnabled(unsigned int index) const; bool isItemSelectable(unsigned int index) const; FbTk::ThemeProxy<MenuTheme> &theme() { return m_theme; } const FbTk::ThemeProxy<MenuTheme> &theme() const { return m_theme; } unsigned char alpha() const { return theme()->alpha(); } const MenuItem *find(size_t i) const { return m_items[i]; } MenuItem *find(size_t i) { return m_items[i]; } // returns index of 'submenu', it it is in the top most list of // menu items. -1 if no match is found int findSubmenuIndex(const Menu* submenu) const; //@} /// @return true if index is valid bool validIndex(int index) const { return (index < static_cast<int>(numberOfItems()) && index >= 0); } Menu *parent() { return m_parent; } const Menu *parent() const { return m_parent; } void renderForeground(FbWindow &win, FbDrawable &drawable); protected: void themeReconfigured(); void setTitleVisibility(bool b); // renders item onto pm int drawItem(FbDrawable &pm, unsigned int index, bool highlight = false, bool exclusive_drawable = false); void clearItem(int index, bool clear = true, int search_index = -1); void highlightItem(int index); virtual void redrawTitle(FbDrawable &pm); virtual void redrawFrame(FbDrawable &pm); virtual void internal_hide(bool first = true); private: void openSubmenu(); void closeMenu(); void startHide(); void stopHide(); void resetTypeAhead(); void drawTypeAheadItems(); Menu *m_parent; class TypeSearch; std::vector<MenuItem *> m_items; std::auto_ptr<TypeSearch> m_search; struct State { bool moving; bool closing; // right click title bool visible; bool torn; // torn from parent } m_state; bool m_need_update; bool m_internal_menu; ///< whether we should destroy this menu or if it's managed somewhere else int m_active_index; ///< current highlighted index int m_which_sub; int m_x_move; int m_y_move; struct Rect { int x, y; unsigned int width, height; } m_screen; // the menu window FbTk::FbWindow m_window; // the title struct Title { FbTk::FbWindow win; Pixmap pixmap; FbTk::BiDiString label; bool visible; } m_title; // area for the menuitems struct Frame { FbTk::FbWindow win; Pixmap pixmap; unsigned int height; } m_frame; // the menuitems are rendered in a grid with // 'm_columns' (a minimum of 'm_min_columns') and // a max of 'm_rows_per_column' int m_columns; int m_rows_per_column; int m_min_columns; unsigned int m_item_w; FbTk::ThemeProxy<MenuTheme>& m_theme; ImageControl& m_image_ctrl; std::auto_ptr<FbTk::Shape> m_shape; // the corners Pixmap m_hilite_pixmap; Alignment m_alignment; Timer m_submenu_timer; Timer m_hide_timer; SignalTracker m_tracker; }; } // end namespace FbTk #endif // FBTK_MENU_HH |