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