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, int z): eWidget(0)
  10 {
  11         m_flags = 0;
  12         m_desktop = desktop;
  13                 /* ask style manager for current style */
  14         ePtr<eWindowStyleManager> mgr;
  15         eWindowStyleManager::getInstance(mgr);
  16
  17         ePtr<eWindowStyle> style;
  18         if (mgr)
  19                 mgr->getStyle(style);
  20
  21                 /* when there is either no style manager or no style, revert to simple style. */
  22         if (!style)
  23                 style = new eWindowStyleSimple();
  24
  25         setStyle(style);
  26
  27         setZPosition(z); /* must be done before addRootWidget */
  28
  29                 /* we are the parent for the child window. */
  30                 /* as we are in the constructor, this is thread safe. */
  31         m_child = this;
  32         m_child = new eWidget(this);
  33         desktop->addRootWidget(this);
  34 }
  35
  36 eWindow::~eWindow()
  37 {
  38         m_desktop->removeRootWidget(this);
  39         m_child->destruct();
  40 }
  41
  42 void eWindow::setTitle(const std::string &string)
  43 {
  44         if (m_title == string)
  45                 return;
  46         m_title = string;
  47         event(evtTitleChanged);
  48 }
  49
  50 std::string eWindow::getTitle() const
  51 {
  52         return m_title;
  53 }
  54
  55 void eWindow::setFlag(int flags)
  56 {
  57         m_flags |= flags;
  58 }
  59
  60 void eWindow::clearFlag(int flags)
  61 {
  62         m_flags &= ~flags;
  63 }
  64
  65 int eWindow::event(int event, void *data, void *data2)
  66 {
  67         switch (event)
  68         {
  69         case evtWillChangeSize:
  70         {
  71                 eSize &new_size = *static_cast<eSize*>(data);
  72                 eSize &offset = *static_cast<eSize*>(data2);
  73                 if (!(m_flags & wfNoBorder))
  74                 {
  75                         ePtr<eWindowStyle> style;
  76                         if (!getStyle(style))
  77                         {
  78 //                      eDebug("eWindow::evtWillChangeSize to %d %d", new_size.width(), new_size.height());
  79                                 style->handleNewSize(this, new_size, offset);
  80                         }
  81                 } else
  82                         m_child->resize(new_size);
  83                 break;
  84         }
  85         case evtPaint:
  86         {
  87                 if (!(m_flags & wfNoBorder))
  88                 {
  89                         ePtr<eWindowStyle> style;
  90                         if (!getStyle(style))
  91                         {
  92                                 gPainter &painter = *static_cast<gPainter*>(data2);
  93                                 style->paintWindowDecoration(this, painter, m_title);
  94                         }
  95                 }
  96                 return 0;
  97         }
  98         case evtTitleChanged:
  99                         /* m_visible_region contains, in contrast to m_visible_with_childs,
 100                            only the decoration. though repainting the whole decoration is bad,
 101                            repainting the whole window is even worse. */
 102                 invalidate(m_visible_region);
 103                 break;
 104         default:
 105                 break;
 106         }
 107         return eWidget::event(event, data, data2);
 108 }
 109