otk/button.cc

   1 #include "button.hh"
   2
   3 namespace otk {
   4
   5 OtkButton::OtkButton(OtkWidget *parent)
   6   : OtkFocusWidget(parent), _text(""), _pressed(false), _dirty(false),
   7     _pressed_focus_tx(0), _pressed_unfocus_tx(0), _unpr_focus_tx(0),
   8     _unpr_unfocus_tx(0)
   9 {
  10   setTexture(getStyle()->getButtonFocus());
  11   setUnfocusTexture(getStyle()->getButtonUnfocus());
  12   _pressed_focus_tx = getStyle()->getButtonPressedFocus();
  13   _pressed_unfocus_tx = getStyle()->getButtonPressedUnfocus();
  14 }
  15
  16 OtkButton::~OtkButton()
  17 {
  18   if (_pressed_focus_tx) delete _pressed_focus_tx;
  19   if (_pressed_unfocus_tx) delete _pressed_unfocus_tx;
  20 }
  21
  22 void OtkButton::press(void)
  23 {
  24   if (_pressed_focus_tx)
  25     OtkFocusWidget::setTexture(_pressed_focus_tx);
  26   if (_pressed_unfocus_tx)
  27     OtkFocusWidget::setUnfocusTexture(_pressed_unfocus_tx);
  28   _pressed = true;
  29 }
  30
  31 void OtkButton::release(void)
  32 {
  33   OtkFocusWidget::setTexture(_unpr_focus_tx);
  34   OtkFocusWidget::setUnfocusTexture(_unpr_unfocus_tx);
  35   _pressed = false;
  36 }
  37
  38 void OtkButton::setTexture(BTexture *texture)
  39 {
  40   OtkFocusWidget::setTexture(texture);
  41   _unpr_focus_tx = texture;
  42 }
  43
  44 void OtkButton::setUnfocusTexture(BTexture *texture)
  45 {
  46   OtkFocusWidget::setUnfocusTexture(texture);
  47   _unpr_unfocus_tx = texture;
  48 }
  49
  50 void OtkButton::update(void)
  51 {
  52   if (_dirty) {
  53     const BFont ft = getStyle()->getFont();
  54     BColor *text_color = (isFocused() ? getStyle()->getTextFocus()
  55                           : getStyle()->getTextUnfocus());
  56     unsigned int bevel = getStyle()->getBevelWidth();
  57
  58     OtkFocusWidget::resize(ft.measureString(_text) + bevel * 2,
  59                            ft.height() + bevel * 2);
  60
  61     OtkFocusWidget::update();
  62
  63     ft.drawString(getWindow(), bevel, bevel, *text_color, _text);
  64   } else
  65     OtkFocusWidget::update();
  66 }
  67
  68 bool OtkButton::expose(const XExposeEvent &e)
  69 {
  70   _dirty = true;
  71   return OtkFocusWidget::expose(e);
  72 }
  73
  74 }