lib/gui/ewindow.cpp

   1 #include <lib/gui/ewindow.h>
   2 #include <lib/gui/ewidgetdesktop.h>
   3
   4 #include <lib/gui/ewindowstyle.h>
   5 #include <lib/gui/ewindowstyleskinned.h>
   6
   7 #include <lib/gdi/epng.h>
   8
   9 eWindow::eWindow(eWidgetDesktop *desktop): eWidget(0)
  10 {
  11         m_flags = 0;
  12                 /* ask style manager for current style */
  13         ePtr<eWindowStyleManager> mgr;
  14         eWindowStyleManager::getInstance(mgr);
  15
  16         ePtr<eWindowStyle> style;
  17         if (mgr)
  18                 mgr->getStyle(style);
  19
  20                 /* when there is either no style manager or no style, revert to simple style. */
  21         if (!style)
  22                 style = new eWindowStyleSimple();
  23
  24         setStyle(style);
  25
  26                 /* we are the parent for the child window. */
  27                 /* as we are in the constructor, this is thread safe. */
  28         m_child = this;
  29         m_child = new eWidget(this);
  30         desktop->addRootWidget(this, 0);
  31 }
  32
  33 eWindow::~eWindow()
  34 {
  35         getDesktop()->removeRootWidget(this);
  36 }
  37
  38 void eWindow::setTitle(const std::string &string)
  39 {
  40         if (m_title == string)
  41                 return;
  42         m_title = string;
  43         event(evtTitleChanged);
  44 }
  45
  46 void eWindow::setFlag(int flags)
  47 {
  48         m_flags |= flags;
  49 }
  50
  51 void eWindow::clearFlag(int flags)
  52 {
  53         m_flags &= ~flags;
  54 }
  55
  56 int eWindow::event(int event, void *data, void *data2)
  57 {
  58         switch (event)
  59         {
  60         case evtWillChangeSize:
  61         {
  62                 eSize &new_size = *static_cast<eSize*>(data);
  63                 eSize &offset = *static_cast<eSize*>(data2);
  64                 if (!(m_flags & wfNoBorder))
  65                 {
  66                         ePtr<eWindowStyle> style;
  67                         if (!getStyle(style))
  68                         {
  69 //                      eDebug("eWindow::evtWillChangeSize to %d %d", new_size.width(), new_size.height());
  70                                 style->handleNewSize(this, new_size, offset);
  71                         }
  72                 } else
  73                         m_child->resize(new_size);
  74                 break;
  75         }
  76         case evtPaint:
  77         {
  78                 if (!(m_flags & wfNoBorder))
  79                 {
  80                         ePtr<eWindowStyle> style;
  81                         if (!getStyle(style))
  82                         {
  83                                 gPainter &painter = *static_cast<gPainter*>(data2);
  84                                 style->paintWindowDecoration(this, painter, m_title);
  85                         }
  86                 }
  87                 return 0;
  88         }
  89         default:
  90                 break;
  91         }
  92         return eWidget::event(event, data, data2);
  93 }
  94