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 "rect.hh"
   6 #include "point.hh"
   7 #include "rendertexture.hh"
   8 #include "renderstyle.hh"
   9 #include "eventdispatcher.hh"
  10 #include "display.hh"
  11 #include "surface.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 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, RenderStyle *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 const Rect &rect(void) const { return _rect; }
  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 int width() const { return _rect.width(); }
  55   virtual int height() const { return _rect.height(); }
  56
  57   virtual void resize(const Point &to);
  58   virtual void resize(int x, int y);
  59
  60   virtual void setGeometry(const Rect &new_geom);
  61   virtual void setGeometry(const Point &topleft, int width, int height);
  62   virtual void setGeometry(int x, int y, int width, int height);
  63
  64   inline bool isVisible(void) const { return _visible; };
  65   virtual void show(bool recursive = false);
  66   virtual void hide(bool recursive = false);
  67
  68   inline bool isFocused(void) const { return _focused; };
  69   virtual void focus(void);
  70   virtual void unfocus(void);
  71
  72   inline bool hasGrabbedMouse(void) const { return _grabbed_mouse; }
  73   bool grabMouse(void);
  74   void ungrabMouse(void);
  75
  76   inline bool hasGrabbedKeyboard(void) const { return _grabbed_keyboard; }
  77   bool grabKeyboard(void);
  78   void ungrabKeyboard(void);
  79
  80   inline RenderTexture *texture(void) const { return _texture; }
  81   virtual void setTexture(RenderTexture *texture)
  82     { _texture = texture; _dirty = true; }
  83
  84   inline const RenderColor *borderColor(void) const { return _bcolor; }
  85   virtual void setBorderColor(const RenderColor *color) {
  86     assert(color); _bcolor = color;
  87     XSetWindowBorder(**display, _window, color->pixel());
  88   }
  89
  90   inline int borderWidth(void) const { return _bwidth; }
  91   void setBorderWidth(int width) {
  92     _bwidth = width;
  93     XSetWindowBorderWidth(**display, _window, width);
  94   }
  95
  96   virtual void addChild(Widget *child, bool front = false);
  97   virtual void removeChild(Widget *child);
  98
  99   inline bool isStretchableHorz(void) const { return _stretchable_horz; }
 100   void setStretchableHorz(bool s_horz = true) { _stretchable_horz = s_horz; }
 101
 102   inline bool isStretchableVert(void) const { return _stretchable_vert; }
 103   void setStretchableVert(bool s_vert = true)  { _stretchable_vert = s_vert; }
 104
 105   inline Cursor cursor(void) const { return _cursor; }
 106   void setCursor(Cursor cursor) {
 107     _cursor = cursor;
 108     XDefineCursor(**display, _window, _cursor);
 109   }
 110
 111   inline int bevelWidth(void) const { return _bevel_width; }
 112   void setBevelWidth(int bevel_width)
 113     { assert(bevel_width > 0); _bevel_width = bevel_width; }
 114
 115   inline Direction direction(void) const { return _direction; }
 116   void setDirection(Direction dir) { _direction = dir; }
 117
 118   inline RenderStyle *style(void) const { return _style; }
 119   virtual void setStyle(RenderStyle *style);
 120
 121   inline EventDispatcher *eventDispatcher(void)
 122     { return _event_dispatcher; }
 123   void setEventDispatcher(EventDispatcher *disp);
 124
 125 protected:
 126
 127   bool _dirty;
 128   bool _focused;
 129
 130   virtual void adjust(void);
 131   virtual void create(bool override_redirect = false);
 132   virtual void adjustHorz(void);
 133   virtual void adjustVert(void);
 134   virtual void internalResize(int width, int height);
 135   virtual void render(void);
 136   virtual void renderForeground() {} // for overriding
 137
 138   Window _window;
 139
 140   Widget *_parent;
 141   WidgetList _children;
 142
 143   RenderStyle *_style;
 144   Direction _direction;
 145   Cursor _cursor;
 146   int _bevel_width;
 147   int _ignore_config;
 148
 149   bool _visible;
 150
 151   bool _grabbed_mouse;
 152   bool _grabbed_keyboard;
 153
 154   bool _stretchable_vert;
 155   bool _stretchable_horz;
 156
 157   RenderTexture *_texture;
 158   Pixmap _bg_pixmap;
 159   unsigned int _bg_pixel;
 160
 161   const RenderColor *_bcolor;
 162   unsigned int _bwidth;
 163
 164   Rect _rect;
 165   unsigned int _screen;
 166
 167   bool _fixed_width;
 168   bool _fixed_height;
 169
 170   Surface *_surface;
 171
 172   EventDispatcher *_event_dispatcher;
 173 };
 174
 175 }
 176
 177 #endif // __widget_hh