Dogcows Code - chaz/openbox/blob - otk/widget.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 #ifndef __widget_hh
   3 #define __widget_hh
   4
   5 #include "surface.hh"
   6 #include "rect.hh"
   7 #include "point.hh"
   8 #include "texture.hh"
   9 #include "style.hh"
  10 #include "eventdispatcher.hh"
  11 #include "display.hh"
  12
  13 extern "C" {
  14 #include <assert.h>
  15 }
  16
  17 #include <string>
  18 #include <list>
  19
  20 namespace otk {
  21
  22 class Widget : public Surface, public EventHandler {
  23
  24 public:
  25
  26   enum Direction { Horizontal, Vertical };
  27
  28   typedef std::list<Widget *> WidgetList;
  29
  30   Widget(Widget *parent, Direction = Horizontal);
  31   Widget(EventDispatcher *event_dispatcher, Style *style,
  32          Direction direction = Horizontal, Cursor cursor = 0,
  33          int bevel_width = 1, bool override_redirect = false);
  34
  35   virtual ~Widget();
  36
  37   virtual void update(void);
  38
  39   void exposeHandler(const XExposeEvent &e);
  40   void configureHandler(const XConfigureEvent &e);
  41
  42   inline Window window(void) const { return _window; }
  43   inline const Widget *parent(void) const { return _parent; }
  44   inline const WidgetList &children(void) const { return _children; }
  45   inline Rect rect(void) const { return Rect(_pos, size()); }
  46
  47   void move(const Point &to);
  48   void move(int x, int y);
  49
  50   virtual void setWidth(int);
  51   virtual void setHeight(int);
  52
  53   virtual void resize(const Point &to);
  54   virtual void resize(int x, int y);
  55
  56   virtual void setGeometry(const Rect &new_geom);
  57   virtual void setGeometry(const Point &topleft, int width, int height);
  58   virtual void setGeometry(int x, int y, int width, int height);
  59
  60   inline bool isVisible(void) const { return _visible; };
  61   virtual void show(bool recursive = false);
  62   virtual void hide(bool recursive = false);
  63
  64   inline bool isFocused(void) const { return _focused; };
  65   virtual void focus(void);
  66   virtual void unfocus(void);
  67
  68   inline bool hasGrabbedMouse(void) const { return _grabbed_mouse; }
  69   bool grabMouse(void);
  70   void ungrabMouse(void);
  71
  72   inline bool hasGrabbedKeyboard(void) const { return _grabbed_keyboard; }
  73   bool grabKeyboard(void);
  74   void ungrabKeyboard(void);
  75
  76   inline Texture *texture(void) const { return _texture; }
  77   virtual void setTexture(Texture *texture)
  78     { _texture = texture; _dirty = true; }
  79
  80   inline const Color *borderColor(void) const { return _bcolor; }
  81   virtual void setBorderColor(const Color *color) {
  82     assert(color); _bcolor = color;
  83     XSetWindowBorder(**display, _window, color->pixel());
  84   }
  85
  86   inline int borderWidth(void) const { return _bwidth; }
  87   void setBorderWidth(int width) {
  88     _bwidth = width;
  89     XSetWindowBorderWidth(**display, _window, width);
  90   }
  91
  92   virtual void addChild(Widget *child, bool front = false);
  93   virtual void removeChild(Widget *child);
  94
  95   inline bool isStretchableHorz(void) const { return _stretchable_horz; }
  96   void setStretchableHorz(bool s_horz = true) { _stretchable_horz = s_horz; }
  97
  98   inline bool isStretchableVert(void) const { return _stretchable_vert; }
  99   void setStretchableVert(bool s_vert = true)  { _stretchable_vert = s_vert; }
 100
 101   inline Cursor cursor(void) const { return _cursor; }
 102   void setCursor(Cursor cursor) {
 103     _cursor = cursor;
 104     XDefineCursor(**display, _window, _cursor);
 105   }
 106
 107   inline int bevelWidth(void) const { return _bevel_width; }
 108   void setBevelWidth(int bevel_width)
 109     { assert(bevel_width > 0); _bevel_width = bevel_width; }
 110
 111   inline Direction direction(void) const { return _direction; }
 112   void setDirection(Direction dir) { _direction = dir; }
 113
 114   inline Style *style(void) const { return _style; }
 115   virtual void setStyle(Style *style);
 116
 117   inline EventDispatcher *eventDispatcher(void)
 118     { return _event_dispatcher; }
 119   void setEventDispatcher(EventDispatcher *disp);
 120
 121 protected:
 122
 123   bool _dirty;
 124   bool _focused;
 125
 126   virtual void adjust(void);
 127   virtual void create(bool override_redirect = false);
 128   virtual void adjustHorz(void);
 129   virtual void adjustVert(void);
 130   virtual void internalResize(int width, int height);
 131   virtual void render(void);
 132
 133   Window _window;
 134
 135   Widget *_parent;
 136   WidgetList _children;
 137
 138   Style *_style;
 139   Direction _direction;
 140   Cursor _cursor;
 141   int _bevel_width;
 142   int _ignore_config;
 143
 144   bool _visible;
 145
 146   bool _grabbed_mouse;
 147   bool _grabbed_keyboard;
 148
 149   bool _stretchable_vert;
 150   bool _stretchable_horz;
 151
 152   Texture *_texture;
 153   Pixmap _bg_pixmap;
 154   unsigned int _bg_pixel;
 155
 156   const Color *_bcolor;
 157   unsigned int _bwidth;
 158
 159   Point _pos;
 160   unsigned int _screen;
 161
 162   bool _fixed_width;
 163   bool _fixed_height;
 164
 165   EventDispatcher *_event_dispatcher;
 166 };
 167
 168 }
 169
 170 #endif // __widget_hh