source/panel.cpp

   1 #include "panel.h"
   2 #include "part.h"
   3
   4 namespace Msp {
   5 namespace GLtk {
   6
   7 Panel::Panel(const Resources &r):
   8         Widget(r),
   9         pointer_focus(0),
  10         pointer_grab(0),
  11         input_focus(0)
  12 {
  13         update_style();
  14 }
  15
  16 Panel::~Panel()
  17 {
  18         for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
  19                 delete *i;
  20 }
  21
  22 void Panel::button_press(int x, int y, unsigned btn)
  23 {
  24         if(pointer_grab>0)
  25                 pointer_focus->button_press(x-geom.x, y-geom.y, btn);
  26         else if(geom.is_inside(x, y))
  27         {
  28                 for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
  29                         if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
  30                         {
  31                                 (*i)->button_press(x-geom.x, y-geom.y, btn);
  32                                 pointer_grab=btn;
  33                                 set_input_focus(*i);
  34                         }
  35         }
  36 }
  37
  38 void Panel::button_release(int x, int y, unsigned btn)
  39 {
  40         if(pointer_grab>0)
  41         {
  42                 pointer_focus->button_release(x-geom.x, y-geom.y, btn);
  43
  44                 if(btn==pointer_grab)
  45                 {
  46                         pointer_grab=0;
  47
  48                         for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
  49                                 if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
  50                                 {
  51                                         set_pointer_focus(*i);
  52                                         break;
  53                                 }
  54                 }
  55         }
  56         else if(geom.is_inside(x, y))
  57         {
  58                 for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
  59                         if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
  60                                 (*i)->button_release(x-geom.x, y-geom.y, btn);
  61         }
  62 }
  63
  64 void Panel::pointer_motion(int x, int y)
  65 {
  66         if(pointer_grab>0)
  67                 pointer_focus->pointer_motion(x-geom.x, y-geom.y);
  68         else if(geom.is_inside(x, y))
  69         {
  70                 bool found=false;
  71                 for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
  72                         if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
  73                         {
  74                                 set_pointer_focus(*i);
  75                                 (*i)->pointer_motion(x-geom.x, y-geom.y);
  76                                 found=true;
  77                         }
  78
  79                 if(!found)
  80                         set_pointer_focus(0);
  81         }
  82 }
  83
  84 void Panel::key_press(unsigned key, unsigned mod, wchar_t ch)
  85 {
  86         if(input_focus)
  87                 input_focus->key_press(key, mod, ch);
  88 }
  89
  90 void Panel::key_release(unsigned key, unsigned mod)
  91 {
  92         if(input_focus)
  93                 input_focus->key_release(key, mod);
  94 }
  95
  96 void Panel::focus_out()
  97 {
  98         set_input_focus(0);
  99 }
 100
 101 void Panel::add(Widget &wdg)
 102 {
 103         children.push_back(&wdg);
 104 }
 105
 106 void Panel::render_part(const Part &part) const
 107 {
 108         if(part.get_name()=="children")
 109         {
 110                 for(ChildSeq::const_iterator i=children.begin(); i!=children.end(); ++i)
 111                         (*i)->render();
 112         }
 113         else
 114                 Widget::render_part(part);
 115 }
 116
 117 void Panel::set_pointer_focus(Widget *wdg)
 118 {
 119         if(wdg!=pointer_focus && pointer_grab==0)
 120         {
 121                 if(pointer_focus)
 122                         pointer_focus->pointer_leave();
 123
 124                 pointer_focus=wdg;
 125
 126                 if(pointer_focus)
 127                         pointer_focus->pointer_enter();
 128         }
 129 }
 130
 131 void Panel::set_input_focus(Widget *wdg)
 132 {
 133         if(wdg!=input_focus)
 134         {
 135                 if(input_focus)
 136                         input_focus->focus_out();
 137
 138                 input_focus=wdg;
 139
 140                 if(input_focus)
 141                         input_focus->focus_in();
 142         }
 143 }
 144
 145 } // namespace GLtk
 146 } // namespace Msp