Dogcows Code - chaz/openbox/blob - 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 "client.hh"
   9
  10 namespace ob {
  11
  12 ButtonWidget::ButtonWidget(otk::Widget *parent,
  13                            WidgetBase::WidgetType type,
  14                            Client *client)
  15   : otk::Widget(parent),
  16     WidgetBase(type),
  17     _client(client),
  18     _pressed(false),
  19     _button(0),
  20     _state(false)
  21 {
  22 }
  23
  24
  25 ButtonWidget::~ButtonWidget()
  26 {
  27 }
  28
  29
  30 void ButtonWidget::setTextures()
  31 {
  32   bool p = _pressed;
  33
  34   switch (type()) {
  35   case Type_AllDesktopsButton:
  36     if (_client->desktop() == (signed)0xffffffff)
  37       p = true;
  38     break;
  39   case Type_MaximizeButton:
  40     if (_client->maxHorz() || _client->maxVert())
  41       p = true;
  42     break;
  43   default:
  44     break;
  45   }
  46
  47   switch (type()) {
  48   case Type_LeftGrip:
  49   case Type_RightGrip:
  50     if (_focused)
  51       setTexture(_style->gripFocusBackground());
  52     else
  53       setTexture(_style->gripUnfocusBackground());
  54     break;
  55   case Type_AllDesktopsButton:
  56   case Type_MaximizeButton:
  57   case Type_CloseButton:
  58   case Type_IconifyButton:
  59     if (p) {
  60       if (_focused)
  61         setTexture(_style->buttonPressFocusBackground());
  62       else
  63         setTexture(_style->buttonPressUnfocusBackground());
  64     } else {
  65       if (_focused)
  66         setTexture(_style->buttonUnpressFocusBackground());
  67       else
  68         setTexture(_style->buttonUnpressUnfocusBackground());
  69     }
  70     break;
  71   default:
  72     assert(false); // there's no other button widgets!
  73   }
  74 }
  75
  76
  77 void ButtonWidget::setStyle(otk::RenderStyle *style)
  78 {
  79   otk::Widget::setStyle(style);
  80   setTextures();
  81
  82   switch (type()) {
  83   case Type_LeftGrip:
  84   case Type_RightGrip:
  85     setBorderColor(_style->frameBorderColor());
  86     break;
  87   case Type_AllDesktopsButton:
  88   case Type_CloseButton:
  89   case Type_MaximizeButton:
  90   case Type_IconifyButton:
  91     break;
  92   default:
  93     assert(false); // there's no other button widgets!
  94   }
  95 }
  96
  97
  98 void ButtonWidget::update()
  99 {
 100   switch (type()) {
 101   case Type_AllDesktopsButton:
 102     if ((_client->desktop() == (signed)0xffffffff) != _state) {
 103       _state = !_state;
 104       setTextures();
 105     }
 106     break;
 107   case Type_MaximizeButton:
 108     if ((_client->maxHorz() || _client->maxVert()) != _state) {
 109       _state = !_state;
 110       setTextures();
 111     }
 112     break;
 113   default:
 114     break;
 115   }
 116
 117   otk::Widget::update();
 118 }
 119
 120
 121 void ButtonWidget::renderForeground()
 122 {
 123   otk::PixmapMask *pm;
 124   int width;
 125   bool draw = _dirty;
 126
 127   otk::Widget::renderForeground();
 128
 129   if (draw) {
 130     switch (type()) {
 131     case Type_AllDesktopsButton:
 132       pm = _style->alldesktopsMask();
 133       break;
 134     case Type_CloseButton:
 135       pm = _style->closeMask();
 136       break;
 137     case Type_MaximizeButton:
 138       pm = _style->maximizeMask();
 139       break;
 140     case Type_IconifyButton:
 141       pm = _style->iconifyMask();
 142       break;
 143     case Type_LeftGrip:
 144     case Type_RightGrip:
 145       return; // no drawing
 146     default:
 147       assert(false); // there's no other button widgets!
 148     }
 149
 150     assert(pm->mask);
 151     if (pm->mask == None) return; // no mask for the button, leave it empty
 152
 153     width = _rect.width();
 154
 155     otk::RenderColor *color = (_focused ? _style->buttonFocusColor() :
 156                                _style->buttonUnfocusColor());
 157
 158     // set the clip region
 159     int x = (width - pm->w) / 2, y = (width - pm->h) / 2;
 160     XSetClipMask(**otk::display, color->gc(), pm->mask);
 161     XSetClipOrigin(**otk::display, color->gc(), x, y);
 162
 163     // fill in the clipped region
 164     XFillRectangle(**otk::display, _surface->pixmap(), color->gc(), x, y,
 165                    x + pm->w, y + pm->h);
 166
 167     // unset the clip region
 168     XSetClipMask(**otk::display, color->gc(), None);
 169     XSetClipOrigin(**otk::display, color->gc(), 0, 0);
 170   }
 171 }
 172
 173
 174 void ButtonWidget::adjust()
 175 {
 176   // nothing to adjust. no children.
 177 }
 178
 179
 180 void ButtonWidget::focus()
 181 {
 182   otk::Widget::focus();
 183   setTextures();
 184 }
 185
 186
 187 void ButtonWidget::unfocus()
 188 {
 189   otk::Widget::unfocus();
 190   setTextures();
 191 }
 192
 193
 194 void ButtonWidget::buttonPressHandler(const XButtonEvent &e)
 195 {
 196   otk::Widget::buttonPressHandler(e);
 197   if (_button) return;
 198   _button = e.button;
 199   _pressed = true;
 200   setTextures();
 201   update();
 202 }
 203
 204
 205 void ButtonWidget::buttonReleaseHandler(const XButtonEvent &e)
 206 {
 207   otk::Widget::buttonPressHandler(e);
 208   if (e.button != _button) return;
 209   _button = 0;
 210   _pressed = false;
 211   setTextures();
 212   update();
 213 }
 214
 215 }