summaryrefslogtreecommitdiff
path: root/src/FbTk/Menu.hh
blob: d1c6c6e0f2735032aee2ff506213810d095dcab0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
// Menu.hh for FbTk - Fluxbox Toolkit
// Copyright (c) 2001 - 2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
//
// 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.

// $Id: Menu.hh,v 1.28 2003/12/17 00:43:22 fluxgen Exp $

#ifndef	 FBTK_MENU_HH
#define	 FBTK_MENU_HH

#include <X11/Xlib.h>
#include <vector>
#include <string>
#include <memory>

#include "FbWindow.hh"
#include "EventHandler.hh"
#include "RefCount.hh"
#include "Command.hh"
#include "Observer.hh"
#include "FbPixmap.hh"
#include "MenuTheme.hh"
#include "Timer.hh"

namespace FbTk {

class MenuItem;
class ImageControl;
class Transparent;

///   Base class for menus
class Menu: public FbTk::EventHandler, protected FbTk::Observer {
public:
    enum Alignment{ ALIGNDONTCARE = 1, ALIGNTOP, ALIGNBOTTOM };
    enum { RIGHT = 1, LEFT };
	
    /**
       Bullet type
    */
    enum { EMPTY = 0, SQUARE, TRIANGLE, DIAMOND };
	
    Menu(MenuTheme &tm, ImageControl &imgctrl);
    virtual ~Menu();

    /**
       @name manipulators
    */
    //@{
    /// add a menu item with a label and a command
    int insert(const char *label, RefCount<Command> &cmd, int pos=-1);
    /// add empty menu item
    int insert(const char *label, int pos=-1);
    /// add submenu
    int insert(const char *label, Menu *submenu, int pos= -1);
    /// add menu item
    int insert(MenuItem *item, int pos=-1);
    /// remove an item
    int remove(unsigned int item);
    /// remove all items
    void removeAll();
    inline void setInternalMenu(bool val = true) { internal_menu = val; }
    inline void setAlignment(Alignment a) { m_alignment = a; }
    inline void setTorn() { torn = true; }
    inline void removeParent() { if (internal_menu) m_parent = 0; }
    /// raise this window
    virtual void raise();
    /// lower this window
    virtual void lower();
    /// select next item
    void nextItem();
    /// select previous item
    void prevItem();
    void enterSubmenu();
    void enterParent();

    void disableTitle();
    void enableTitle();

    /**
       @name event handlers
    */
    //@{
    void handleEvent(XEvent &event);
    void buttonPressEvent(XButtonEvent &bp);
    void buttonReleaseEvent(XButtonEvent &br);
    void motionNotifyEvent(XMotionEvent &mn);
    void enterNotifyEvent(XCrossingEvent &en);
    void leaveNotifyEvent(XCrossingEvent &ce);
    void exposeEvent(XExposeEvent &ee);
    void keyPressEvent(XKeyEvent &ke);
    //@}
    /// get input focus
    void grabInputFocus();
    virtual void reconfigure();
    /// set label string
    void setLabel(const char *labelstr);
    /// move menu to x,y
    void move(int x, int y);
    void update(int active_index = -1);
    void setItemSelected(unsigned int index, bool val);
    void setItemEnabled(unsigned int index, bool val);
    inline void setMinimumSublevels(int m) { menu.minsub = m; }
    virtual void drawSubmenu(unsigned int index);
    /// show menu
    virtual void show();
    /// hide menu
    virtual void hide();
    virtual void clearWindow();
    /*@}*/
	
    /**
       @name accessors
    */
    //@{
    inline bool isTorn() const { return torn; }
    inline bool isVisible() const { return visible; }
    inline int screenNumber() const { return menu.window.screenNumber(); }
    inline Window window() const { return menu.window.window(); }
    inline FbWindow &fbwindow() { return menu.window; }
    inline const FbWindow &fbwindow() const { return menu.window; }
    inline FbWindow &titleWindow() { return menu.title; }
    inline FbWindow &frameWindow() { return menu.frame; }
    inline const std::string &label() const { return menu.label; }  
    inline int x() const { return menu.x; }
    inline int y() const { return menu.y; }
    inline unsigned int width() const { return menu.window.width(); }
    inline unsigned int height() const { return menu.window.height(); }
    inline unsigned int numberOfItems() const { return menuitems.size(); }
    inline int currentSubmenu() const { return which_sub; } 
    inline unsigned int titleHeight() const { return menu.title_h; }
    bool hasSubmenu(unsigned int index) const;
    bool isItemSelected(unsigned int index) const;
    bool isItemEnabled(unsigned int index) const;
    inline const MenuTheme &theme() const { return m_theme; }
    inline unsigned char alpha() const { return m_theme.alpha(); }
    inline static Menu *focused() { return s_focused; }
    /// @return menuitem at index
    inline const MenuItem *find(unsigned int index) const { return menuitems[index]; }
    inline MenuItem *find(unsigned int index) { return menuitems[index]; }
    //@}

protected:

    inline void setTitleVisibility(bool b) { title_vis = b; m_need_update = true; }
    inline void setMovable(bool b) { movable = b; }
    inline void setHideTree(bool h) { hide_tree = h; }

    virtual void itemSelected(int button, unsigned int index) { }
    virtual void drawItem(unsigned int index, bool highlight = false, 
                          bool clear= false, bool render_trans = true,
                          int x= -1, int y= -1, 
                          unsigned int width= 0, unsigned int height= 0);
    virtual void redrawTitle();
    virtual void internal_hide();
    inline Menu *parent() { return m_parent; }
    inline const Menu *parent() const { return m_parent; }

    void update(FbTk::Subject *) { reconfigure(); }

private: 

    void openSubmenu();
    void closeMenu();
    void startHide();
    void stopHide();

    void renderTransFrame();

    typedef std::vector<MenuItem *> Menuitems;
    const MenuTheme &m_theme;
    Menu *m_parent;
    ImageControl &m_image_ctrl;
    Menuitems menuitems;

    const unsigned int m_screen_width, m_screen_height;
    bool moving, visible, movable, torn, internal_menu, title_vis, shifted,
        hide_tree;
	
    int which_sub, which_press, which_sbl;
    Alignment m_alignment;
    int m_border_width;
    struct _menu {
        Pixmap frame_pixmap, title_pixmap, hilite_pixmap, sel_pixmap;
        FbTk::FbWindow window, frame, title;

        std::string label;
        int x, y, x_move, y_move, x_shift, y_shift, sublevels, persub, minsub,
            grab_x, grab_y;
        unsigned int title_h, frame_h, item_w, item_h, bevel_w,
            bevel_h;
    } menu;

    Drawable m_root_pm;
    static Menu *s_focused; ///< holds current input focused menu, so one can determine if a menu is focused
    FbPixmap m_frame_pm;
    bool m_need_update;
    Timer m_submenu_timer;
    Timer m_hide_timer;
};

} // end namespace FbTk

#endif // FBTK_MENU_HH