src/buttonwidget.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef HAVE_CONFIG_H
   4 # include "../config.h"
   5 #endif
   6
   7 #include "buttonwidget.hh"
   8 #include "otk/gccache.hh" // otk::BPen
   9
  10 namespace ob {
  11
  12 ButtonWidget::ButtonWidget(otk::Widget *parent,
  13                            WidgetBase::WidgetType type)
  14   : otk::Widget(parent),
  15     WidgetBase(type),
  16     _pressed(false),
  17     _button(0)
  18 {
  19 }
  20
  21
  22 ButtonWidget::~ButtonWidget()
  23 {
  24 }
  25
  26
  27 void ButtonWidget::setTextures()
  28 {
  29   switch (type()) {
  30   case Type_LeftGrip:
  31   case Type_RightGrip:
  32     if (_focused)
  33       setTexture(_style->gripFocusBackground());
  34     else
  35       setTexture(_style->gripUnfocusBackground());
  36     break;
  37   case Type_StickyButton:
  38   case Type_CloseButton:
  39   case Type_MaximizeButton:
  40   case Type_IconifyButton:
  41     if (_pressed) {
  42       if (_focused)
  43         setTexture(_style->buttonPressFocusBackground());
  44       else
  45         setTexture(_style->buttonPressUnfocusBackground());
  46     } else {
  47       if (_focused)
  48         setTexture(_style->buttonUnpressFocusBackground());
  49       else
  50         setTexture(_style->buttonUnpressUnfocusBackground());
  51     }
  52     break;
  53   default:
  54     assert(false); // there's no other button widgets!
  55   }
  56 }
  57
  58
  59 void ButtonWidget::setStyle(otk::RenderStyle *style)
  60 {
  61   otk::Widget::setStyle(style);
  62   setTextures();
  63
  64   switch (type()) {
  65   case Type_LeftGrip:
  66   case Type_RightGrip:
  67     setBorderColor(_style->frameBorderColor());
  68     break;
  69   case Type_StickyButton:
  70   case Type_CloseButton:
  71   case Type_MaximizeButton:
  72   case Type_IconifyButton:
  73     break;
  74   default:
  75     assert(false); // there's no other button widgets!
  76   }
  77 }
  78
  79
  80 void ButtonWidget::update()
  81 {
  82   printf("ButtonWidget::update()\n");
  83   otk::Widget::update();
  84 }
  85
  86 void ButtonWidget::renderForeground()
  87 {
  88   otk::PixmapMask *pm;
  89   int width;
  90   bool draw = _dirty;
  91
  92   printf("ButtonWidget::renderForeground()\n");
  93   otk::Widget::renderForeground();
  94
  95   if (draw) {
  96     switch (type()) {
  97     case Type_StickyButton:
  98       pm = _style->stickyMask();
  99       break;
 100     case Type_CloseButton:
 101       pm = _style->closeMask();
 102       break;
 103     case Type_MaximizeButton:
 104       pm = _style->maximizeMask();
 105       break;
 106     case Type_IconifyButton:
 107       pm = _style->iconifyMask();
 108       break;
 109     case Type_LeftGrip:
 110     case Type_RightGrip:
 111       return; // no drawing
 112     default:
 113       assert(false); // there's no other button widgets!
 114     }
 115
 116     if (pm->mask == None) return; // no mask for the button, leave it empty
 117
 118     width = _rect.width();
 119
 120     otk::RenderColor *color = (_focused ? _style->buttonFocusColor() :
 121                                _style->buttonUnfocusColor());
 122
 123     // set the clip region
 124     XSetClipMask(**otk::display, color->gc(), pm->mask);
 125     XSetClipOrigin(**otk::display, color->gc(),
 126                    (width - pm->w)/2, (width - pm->h)/2);
 127
 128     // fill in the clipped region
 129     XFillRectangle(**otk::display, _window, color->gc(),
 130                    (width - pm->w)/2, (width - pm->h)/2,
 131                    (width + pm->w)/2, (width + pm->h)/2);
 132
 133     // unset the clip region
 134     XSetClipMask(**otk::display, color->gc(), None);
 135     XSetClipOrigin(**otk::display, color->gc(), 0, 0);
 136   }
 137 }
 138
 139
 140 void ButtonWidget::adjust()
 141 {
 142   // nothing to adjust. no children.
 143 }
 144
 145
 146 void ButtonWidget::focus()
 147 {
 148   otk::Widget::focus();
 149   setTextures();
 150 }
 151
 152
 153 void ButtonWidget::unfocus()
 154 {
 155   otk::Widget::unfocus();
 156   setTextures();
 157 }
 158
 159
 160 void ButtonWidget::buttonPressHandler(const XButtonEvent &e)
 161 {
 162   otk::Widget::buttonPressHandler(e);
 163   if (_button) return;
 164   _button = e.button;
 165   _pressed = true;
 166   setTextures();
 167   update();
 168 }
 169
 170
 171 void ButtonWidget::buttonReleaseHandler(const XButtonEvent &e)
 172 {
 173   otk::Widget::buttonPressHandler(e);
 174   if (e.button != _button) return;
 175   _button = 0;
 176   _pressed = false;
 177   setTextures();
 178   update();
 179 }
 180
 181 }