otk/focuswidget.cc

   1 #include "focuswidget.hh"
   2
   3 namespace otk {
   4
   5 OtkFocusWidget::OtkFocusWidget(OtkWidget *parent, Direction direction)
   6   : OtkWidget(parent, direction), _unfocus_texture(0), _focused(true)
   7 {
   8   _focus_texture = parent->getTexture();
   9 }
  10
  11 OtkFocusWidget::OtkFocusWidget(Style *style, Direction direction,
  12                                Cursor cursor, int bevel_width)
  13   : OtkWidget(style, direction, cursor, bevel_width),
  14     _unfocus_texture(0), _focused(true)
  15 {
  16 }
  17
  18 void OtkFocusWidget::focus(void)
  19 {
  20   if (_focused)
  21     return;
  22
  23   assert(_focus_texture);
  24   OtkWidget::setTexture(_focus_texture);
  25   OtkWidget::update();
  26
  27   OtkWidget::OtkWidgetList children = OtkWidget::getChildren();
  28
  29   OtkWidget::OtkWidgetList::iterator it = children.begin(),
  30     end = children.end();
  31
  32   OtkFocusWidget *tmp = 0;
  33   for (; it != end; ++it) {
  34     tmp = dynamic_cast<OtkFocusWidget*>(*it);
  35     if (tmp) tmp->focus();
  36   }
  37 }
  38
  39 void OtkFocusWidget::unfocus(void)
  40 {
  41   if (! _focused)
  42     return;
  43
  44   assert(_unfocus_texture);
  45   OtkWidget::setTexture(_unfocus_texture);
  46   OtkWidget::update();
  47
  48   OtkWidget::OtkWidgetList children = OtkWidget::getChildren();
  49
  50   OtkWidget::OtkWidgetList::iterator it = children.begin(),
  51     end = children.end();
  52
  53   OtkFocusWidget *tmp = 0;
  54   for (; it != end; ++it) {
  55     tmp = dynamic_cast<OtkFocusWidget*>(*it);
  56     if (tmp) tmp->unfocus();
  57   }
  58 }
  59
  60 void OtkFocusWidget::setTexture(BTexture *texture)
  61 {
  62   OtkWidget::setTexture(texture);
  63   _focus_texture = texture;
  64 }
  65
  66 }