src/tests/servers/app/newClipping/WinBorder.cpp

   1 #include <Window.h>
   2 #include "MyView.h"
   3
   4 #include "WinBorder.h"
   5
   6 #include <stdio.h>
   7
   8 extern BWindow* wind;
   9
  10 WinBorder::WinBorder(BRect frame, const char* name,
  11                                 uint32 rm, uint32 flags, rgb_color c)
  12         : Layer(frame, name, rm, flags, c)
  13 {
  14         fColor.red = 255;
  15         fColor.green = 203;
  16         fColor.blue = 0;
  17
  18         fRebuildDecRegion = true;
  19 }
  20
  21 WinBorder::~WinBorder()
  22 {
  23 }
  24
  25 void WinBorder::MovedByHook(float dx, float dy)
  26 {
  27         fDecRegion.OffsetBy(dx, dy);
  28 }
  29
  30 void WinBorder::ResizedByHook(float dx, float dy, bool automatic)
  31 {
  32         fRebuildDecRegion = true;
  33 }
  34
  35 void WinBorder::set_decorator_region(BRect bounds)
  36 {
  37         fRebuildDecRegion = false;
  38
  39         fDecRegion.MakeEmpty();
  40         // NOTE: frame is in screen coords
  41         fDecRegion.Include(BRect(bounds.left-4, bounds.top-4, bounds.right+4, bounds.top-1));
  42         fDecRegion.Include(BRect(bounds.left-4, bounds.bottom+1, bounds.right+4, bounds.bottom+4));
  43         fDecRegion.Include(BRect(bounds.left-4, bounds.top, bounds.left-1, bounds.bottom));
  44         fDecRegion.Include(BRect(bounds.right+1, bounds.top, bounds.right+4, bounds.bottom));
  45
  46         // tab
  47         fDecRegion.Include(BRect(bounds.left-4, bounds.top-4-10, bounds.left+bounds.Width()/2, bounds.top-4));
  48
  49         // resize rect
  50         fDecRegion.Include(BRect(bounds.right-10, bounds.bottom-10, bounds.right, bounds.bottom));
  51 }
  52
  53 bool WinBorder::alter_visible_for_children(BRegion &region)
  54 {
  55         region.Exclude(&fDecRegion);
  56         return true;
  57 }
  58
  59 void WinBorder::get_user_regions(BRegion &reg)
  60 {
  61         if (fRebuildDecRegion)
  62         {
  63                 set_decorator_region(Bounds());
  64                 ConvertToScreen2(&fDecRegion);
  65         }
  66
  67         BRect                   screenFrame(Bounds());
  68         ConvertToScreen2(&screenFrame);
  69         reg.Set(screenFrame);
  70
  71 wind->Lock();
  72         BRegion                 screenReg(GetRootLayer()->Bounds());
  73 wind->Unlock();
  74         reg.IntersectWith(&screenReg);
  75
  76         reg.Include(&fDecRegion);
  77 }