source/panel.h

   1 #ifndef MSP_GLTK_PANEL_H_
   2 #define MSP_GLTK_PANEL_H_
   3
   4 #include "container.h"
   5
   6 namespace Msp {
   7 namespace GLtk {
   8
   9 class Layout;
  10
  11 /**
  12 Panels are containers for other widgets.  Panel styles should have a special
  13 part "children" to render the child widgets.  All properties of this part are
  14 ignored.
  15 */
  16 class Panel: public Container
  17 {
  18 public:
  19         class Loader: public Widget::Loader
  20         {
  21         public:
  22                 typedef std::map<std::string, Widget *> WidgetMap;
  23
  24         private:
  25                 Panel &pnl;
  26                 WidgetMap &wdg_map;
  27
  28         public:
  29                 Loader(Panel &, WidgetMap &);
  30         private:
  31                 template<typename T>
  32                 void child(const std::string &);
  33                 void panel(const std::string &);
  34         };
  35
  36 protected:
  37         struct Child: public Container::Child
  38         {
  39                 Child(Panel &, Widget *);
  40                 virtual ~Child();
  41
  42                 void visibility_changed(bool);
  43                 void autosize_changed();
  44                 void request_focus();
  45                 void grab_pointer();
  46                 void ungrab_pointer();
  47                 void raise();
  48         };
  49
  50         Layout *layout;
  51         Widget *pointer_focus;
  52         bool pointer_grabbed;
  53         Widget *input_focus;
  54
  55         Panel(const Panel &);
  56         Panel &operator=(const Panel &);
  57 public:
  58         Panel();
  59         virtual ~Panel();
  60
  61         virtual const char *get_class() const { return "panel"; }
  62
  63         void set_layout(Layout *);
  64
  65 protected:
  66         virtual Child *create_child(Widget *);
  67
  68 public:
  69         void raise(Widget &);
  70         Widget *get_input_focus() const { return input_focus; }
  71         Widget *get_final_input_focus() const;
  72
  73 protected:
  74         virtual void render_special(const Part &) const;
  75
  76 public:
  77         virtual void button_press(int, int, unsigned);
  78         virtual void button_release(int, int, unsigned);
  79         virtual void pointer_motion(int, int);
  80         virtual void pointer_leave();
  81         virtual void key_press(unsigned, unsigned);
  82         virtual void key_release(unsigned, unsigned);
  83         virtual void character(wchar_t);
  84         virtual void focus_out();
  85 protected:
  86         virtual void on_child_added(Widget &);
  87         virtual void on_child_removed(Widget &);
  88
  89         void set_pointer_focus(Widget *);
  90         void set_input_focus(Widget *);
  91 };
  92
  93 } // namespace GLtk
  94 } // namespace Msp
  95
  96 #endif