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         m_child->destruct();
  37 }
  38
  39 void eWindow::setTitle(const std::string &string)
  40 {
  41         if (m_title == string)
  42                 return;
  43         m_title = string;
  44         event(evtTitleChanged);
  45 }
  46
  47 std::string eWindow::getTitle() const
  48 {
  49         return m_title;
  50 }
  51
  52 void eWindow::setFlag(int flags)
  53 {
  54         m_flags |= flags;
  55 }
  56
  57 void eWindow::clearFlag(int flags)
  58 {
  59         m_flags &= ~flags;
  60 }
  61
  62 int eWindow::event(int event, void *data, void *data2)
  63 {
  64         switch (event)
  65         {
  66         case evtWillChangeSize:
  67         {
  68                 eSize &new_size = *static_cast<eSize*>(data);
  69                 eSize &offset = *static_cast<eSize*>(data2);
  70                 if (!(m_flags & wfNoBorder))
  71                 {
  72                         ePtr<eWindowStyle> style;
  73                         if (!getStyle(style))
  74                         {
  75 //                      eDebug("eWindow::evtWillChangeSize to %d %d", new_size.width(), new_size.height());
  76                                 style->handleNewSize(this, new_size, offset);
  77                         }
  78                 } else
  79                         m_child->resize(new_size);
  80                 break;
  81         }
  82         case evtPaint:
  83         {
  84                 if (!(m_flags & wfNoBorder))
  85                 {
  86                         ePtr<eWindowStyle> style;
  87                         if (!getStyle(style))
  88                         {
  89                                 gPainter &painter = *static_cast<gPainter*>(data2);
  90                                 style->paintWindowDecoration(this, painter, m_title);
  91                         }
  92                 }
  93                 return 0;
  94         }
  95         case evtTitleChanged:
  96                         /* m_visible_region contains, in contrast to m_visible_with_childs,
  97                            only the decoration. though repainting the whole decoration is bad,
  98                            repainting the whole window is even worse. */
  99                 invalidate(m_visible_region);
 100                 break;
 101         default:
 102                 break;
 103         }
 104         return eWidget::event(event, data, data2);
 105 }
 106