source/panel.h

   1 /* $Id$
   2
   3 This file is part of libmspgltk
   4 Copyright © 2007-2011  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #ifndef MSP_GLTK_PANEL_H_
   9 #define MSP_GLTK_PANEL_H_
  10
  11 #include "container.h"
  12
  13 namespace Msp {
  14 namespace GLtk {
  15
  16 /**
  17 Panels are containers for other widgets.  Panel styles should have a special
  18 part "children" to render the child widgets.  All properties of this part are
  19 ignored.
  20 */
  21 class Panel: public Container
  22 {
  23 public:
  24         class Loader: public Widget::Loader
  25         {
  26         public:
  27                 typedef std::map<std::string, Widget *> WidgetMap;
  28
  29         private:
  30                 Panel &pnl;
  31                 WidgetMap &wdg_map;
  32
  33         public:
  34                 Loader(Panel &, WidgetMap &);
  35         private:
  36                 template<typename T>
  37                 void child(const std::string &);
  38                 void panel(const std::string &);
  39         };
  40
  41 protected:
  42         struct Child: public Container::Child
  43         {
  44                 Child(Panel &, Widget *);
  45                 virtual ~Child();
  46
  47                 void visibility_changed(bool);
  48                 void request_focus();
  49                 void grab_pointer();
  50                 void ungrab_pointer();
  51                 void raise();
  52         };
  53
  54         Widget *pointer_focus;
  55         bool pointer_grabbed;
  56         Widget *input_focus;
  57
  58         Panel(const Panel &);
  59         Panel &operator=(const Panel &);
  60 public:
  61         Panel();
  62
  63         virtual const char *get_class() const { return "panel"; }
  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, wchar_t);
  82         virtual void key_release(unsigned, unsigned);
  83         virtual void focus_out();
  84
  85 protected:
  86         void set_pointer_focus(Widget *);
  87         void set_input_focus(Widget *);
  88 };
  89
  90 } // namespace GLtk
  91 } // namespace Msp
  92
  93 #endif