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 {
  12         update_style();
  13 }
  14
  15 Panel::~Panel()
  16 {
  17         for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
  18                 delete *i;
  19 }
  20
  21 void Panel::button_press(int x, int y, unsigned btn)
  22 {
  23         if(pointer_grab>0)
  24                 pointer_focus->button_press(x-geom.x, y-geom.y, btn);
  25         else if(geom.is_inside(x, y))
  26         {
  27                 for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
  28                         if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
  29                         {
  30                                 (*i)->button_press(x-geom.x, y-geom.y, btn);
  31                                 pointer_grab=btn;
  32                         }
  33         }
  34 }
  35
  36 void Panel::button_release(int x, int y, unsigned btn)
  37 {
  38         if(pointer_grab>0)
  39         {
  40                 pointer_focus->button_release(x-geom.x, y-geom.y, btn);
  41
  42                 if(btn==pointer_grab)
  43                 {
  44                         pointer_grab=0;
  45
  46                         for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
  47                                 if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
  48                                 {
  49                                         set_pointer_focus(*i);
  50                                         break;
  51                                 }
  52                 }
  53         }
  54         else if(geom.is_inside(x, y))
  55         {
  56                 for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
  57                         if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
  58                                 (*i)->button_release(x-geom.x, y-geom.y, btn);
  59         }
  60 }
  61
  62 void Panel::pointer_motion(int x, int y)
  63 {
  64         if(pointer_grab>0)
  65                 pointer_focus->pointer_motion(x-geom.x, y-geom.y);
  66         else if(geom.is_inside(x, y))
  67         {
  68                 bool found=false;
  69                 for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
  70                         if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
  71                         {
  72                                 set_pointer_focus(*i);
  73                                 (*i)->pointer_motion(x-geom.x, y-geom.y);
  74                                 found=true;
  75                         }
  76
  77                 if(!found)
  78                         set_pointer_focus(0);
  79         }
  80 }
  81
  82 void Panel::add(Widget &wdg)
  83 {
  84         children.push_back(&wdg);
  85 }
  86
  87 void Panel::render_part(const Part &part) const
  88 {
  89         if(part.get_name()=="children")
  90         {
  91                 for(ChildSeq::const_iterator i=children.begin(); i!=children.end(); ++i)
  92                         (*i)->render();
  93         }
  94         else
  95                 Widget::render_part(part);
  96 }
  97
  98 void Panel::set_pointer_focus(Widget *wdg)
  99 {
 100         if(wdg!=pointer_focus && pointer_grab==0)
 101         {
 102                 if(pointer_focus)
 103                         pointer_focus->pointer_leave();
 104
 105                 pointer_focus=wdg;
 106
 107                 if(pointer_focus)
 108                         pointer_focus->pointer_enter();
 109         }
 110 }
 111
 112 } // namespace GLtk
 113 } // namespace Msp