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 unsigned int screen(void) const { return _screen; }
  46   inline Rect rect(void) const { return Rect(_pos, size()); }
  47
  48   void move(const Point &to);
  49   void move(int x, int y);
  50
  51   virtual void setWidth(int);
  52   virtual void setHeight(int);
  53
  54   virtual void resize(const Point &to);
  55   virtual void resize(int x, int y);
  56
  57   virtual void setGeometry(const Rect &new_geom);
  58   virtual void setGeometry(const Point &topleft, int width, int height);
  59   virtual void setGeometry(int x, int y, int width, int height);
  60
  61   inline bool isVisible(void) const { return _visible; };
  62   virtual void show(bool recursive = false);
  63   virtual void hide(bool recursive = false);
  64
  65   inline bool isFocused(void) const { return _focused; };
  66   virtual void focus(void);
  67   virtual void unfocus(void);
  68
  69   inline bool hasGrabbedMouse(void) const { return _grabbed_mouse; }
  70   bool grabMouse(void);
  71   void ungrabMouse(void);
  72
  73   inline bool hasGrabbedKeyboard(void) const { return _grabbed_keyboard; }
  74   bool grabKeyboard(void);
  75   void ungrabKeyboard(void);
  76
  77   inline Texture *texture(void) const { return _texture; }
  78   virtual void setTexture(Texture *texture)
  79     { _texture = texture; _dirty = true; }
  80
  81   inline const Color *borderColor(void) const { return _bcolor; }
  82   virtual void setBorderColor(const Color *color) {
  83     assert(color); _bcolor = color;
  84     XSetWindowBorder(**display, _window, color->pixel());
  85   }
  86
  87   inline int borderWidth(void) const { return _bwidth; }
  88   void setBorderWidth(int width) {
  89     _bwidth = width;
  90     XSetWindowBorderWidth(**display, _window, width);
  91   }
  92
  93   virtual void addChild(Widget *child, bool front = false);
  94   virtual void removeChild(Widget *child);
  95
  96   inline bool isStretchableHorz(void) const { return _stretchable_horz; }
  97   void setStretchableHorz(bool s_horz = true) { _stretchable_horz = s_horz; }
  98
  99   inline bool isStretchableVert(void) const { return _stretchable_vert; }
 100   void setStretchableVert(bool s_vert = true)  { _stretchable_vert = s_vert; }
 101
 102   inline Cursor cursor(void) const { return _cursor; }
 103   void setCursor(Cursor cursor) {
 104     _cursor = cursor;
 105     XDefineCursor(**display, _window, _cursor);
 106   }
 107
 108   inline int bevelWidth(void) const { return _bevel_width; }
 109   void setBevelWidth(int bevel_width)
 110     { assert(bevel_width > 0); _bevel_width = bevel_width; }
 111
 112   inline Direction direction(void) const { return _direction; }
 113   void setDirection(Direction dir) { _direction = dir; }
 114
 115   inline Style *style(void) const { return _style; }
 116   virtual void setStyle(Style *style);
 117
 118   inline EventDispatcher *eventDispatcher(void)
 119     { return _event_dispatcher; }
 120   void setEventDispatcher(EventDispatcher *disp);
 121
 122 protected:
 123
 124   bool _dirty;
 125   bool _focused;
 126
 127   virtual void adjust(void);
 128   virtual void create(bool override_redirect = false);
 129   virtual void adjustHorz(void);
 130   virtual void adjustVert(void);
 131   virtual void internalResize(int width, int height);
 132   virtual void render(void);
 133
 134   Window _window;
 135
 136   Widget *_parent;
 137   WidgetList _children;
 138
 139   Style *_style;
 140   Direction _direction;
 141   Cursor _cursor;
 142   int _bevel_width;
 143   int _ignore_config;
 144
 145   bool _visible;
 146
 147   bool _grabbed_mouse;
 148   bool _grabbed_keyboard;
 149
 150   bool _stretchable_vert;
 151   bool _stretchable_horz;
 152
 153   Texture *_texture;
 154   Pixmap _bg_pixmap;
 155   unsigned int _bg_pixel;
 156
 157   const Color *_bcolor;
 158   unsigned int _bwidth;
 159
 160   Point _pos;
 161   unsigned int _screen;
 162
 163   bool _fixed_width;
 164   bool _fixed_height;
 165
 166   EventDispatcher *_event_dispatcher;
 167 };
 168
 169 }
 170
 171 #endif // __widget_hh