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ob::ButtonWidget Class Reference

#include <buttonwidget.hh>

Inheritance diagram for ob::ButtonWidget:

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Collaboration diagram for ob::ButtonWidget:

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List of all members.

Public Methods

 ButtonWidget (otk::Widget *parent, WidgetBase::WidgetType type, Client *client)
virtual ~ButtonWidget ()
virtual void setStyle (otk::RenderStyle *style)
virtual void adjust ()
virtual void update ()
virtual void renderForeground ()
virtual void focus ()
virtual void unfocus ()
virtual void buttonPressHandler (const XButtonEvent &e)
 Called whenever a button of the pointer is pressed.

virtual void buttonReleaseHandler (const XButtonEvent &e)
 Called whenever a button of the pointer is released.


Private Methods

void setTextures ()

Private Attributes

Client * _client
bool _pressed
unsigned int _button
bool _state

Constructor & Destructor Documentation

ob::ButtonWidget::ButtonWidget (  otk::Widget *    parent,
WidgetBase::WidgetType    type,
Client *    client
) 
 

Definition at line 12 of file buttonwidget.cc. 

00015   : otk::Widget(parent),
00016     WidgetBase(type),
00017     _client(client),
00018     _pressed(false),
00019     _button(0),
00020     _state(false)
00021 {
00022 }

ob::ButtonWidget::~ButtonWidget (    )  [virtual]
 

Definition at line 25 of file buttonwidget.cc. 

00026 {
00027 }

Member Function Documentation

void ob::ButtonWidget::adjust (    )  [virtual]
 

Reimplemented from otk::Widget.

Definition at line 174 of file buttonwidget.cc. 

00175 {
00176   // nothing to adjust. no children.
00177 }

void ob::ButtonWidget::buttonPressHandler (  const XButtonEvent &    e )  [virtual]
 

Called whenever a button of the pointer is pressed.

Reimplemented from otk::EventHandler.

Definition at line 194 of file buttonwidget.cc.

References _button, _pressed, otk::EventHandler::buttonPressHandler(), setTextures(), and update(). 

00195 {
00196   otk::Widget::buttonPressHandler(e);
00197   if (_button) return;
00198   _button = e.button;
00199   _pressed = true;
00200   setTextures();
00201   update();
00202 }

void ob::ButtonWidget::buttonReleaseHandler (  const XButtonEvent &    e )  [virtual]
 

Called whenever a button of the pointer is released.

Reimplemented from otk::EventHandler.

Definition at line 205 of file buttonwidget.cc.

References _button, _pressed, otk::EventHandler::buttonPressHandler(), setTextures(), and update(). 

00206 {
00207   otk::Widget::buttonPressHandler(e);
00208   if (e.button != _button) return;
00209   _button = 0;
00210   _pressed = false;
00211   setTextures();
00212   update();
00213 }

void ob::ButtonWidget::focus (    )  [virtual]
 

Reimplemented from otk::Widget.

Definition at line 180 of file buttonwidget.cc.

References otk::Widget::focus(), and setTextures(). 

00181 {
00182   otk::Widget::focus();
00183   setTextures();
00184 }

void ob::ButtonWidget::renderForeground (    )  [virtual]
 

Reimplemented from otk::Widget.

Definition at line 121 of file buttonwidget.cc.

References otk::Widget::_dirty, otk::Widget::_focused, otk::Widget::_rect, otk::Widget::_style, otk::Widget::_surface, otk::RenderColor::gc(), otk::PixmapMask::h, otk::PixmapMask::mask, otk::Widget::renderForeground(), ob::WidgetBase::type(), ob::WidgetBase::Type_AllDesktopsButton, ob::WidgetBase::Type_CloseButton, ob::WidgetBase::Type_IconifyButton, ob::WidgetBase::Type_LeftGrip, ob::WidgetBase::Type_MaximizeButton, ob::WidgetBase::Type_RightGrip, otk::PixmapMask::w, and otk::Widget::width(). 

00122 {
00123   otk::PixmapMask *pm;
00124   int width;
00125   bool draw = _dirty;
00126 
00127   otk::Widget::renderForeground();
00128 
00129   if (draw) {
00130     switch (type()) {
00131     case Type_AllDesktopsButton:
00132       pm = _style->alldesktopsMask();
00133       break;
00134     case Type_CloseButton:
00135       pm = _style->closeMask();
00136       break;
00137     case Type_MaximizeButton:
00138       pm = _style->maximizeMask();
00139       break;
00140     case Type_IconifyButton:
00141       pm = _style->iconifyMask();
00142       break;
00143     case Type_LeftGrip:
00144     case Type_RightGrip:
00145       return; // no drawing
00146     default:
00147       assert(false); // there's no other button widgets!
00148     }
00149 
00150     assert(pm->mask);
00151     if (pm->mask == None) return; // no mask for the button, leave it empty
00152 
00153     width = _rect.width();
00154 
00155     otk::RenderColor *color = (_focused ? _style->buttonFocusColor() :
00156                                _style->buttonUnfocusColor());
00157 
00158     // set the clip region
00159     int x = (width - pm->w) / 2, y = (width - pm->h) / 2;
00160     XSetClipMask(**otk::display, color->gc(), pm->mask);
00161     XSetClipOrigin(**otk::display, color->gc(), x, y);
00162 
00163     // fill in the clipped region
00164     XFillRectangle(**otk::display, _surface->pixmap(), color->gc(), x, y,
00165                    x + pm->w, y + pm->h);
00166 
00167     // unset the clip region
00168     XSetClipMask(**otk::display, color->gc(), None);
00169     XSetClipOrigin(**otk::display, color->gc(), 0, 0);
00170   }
00171 }

void ob::ButtonWidget::setStyle (  otk::RenderStyle *    style )  [virtual]
 

Reimplemented from otk::Widget.

Definition at line 77 of file buttonwidget.cc.

References otk::Widget::_style, otk::Widget::setBorderColor(), otk::Widget::setStyle(), setTextures(), ob::WidgetBase::type(), ob::WidgetBase::Type_AllDesktopsButton, ob::WidgetBase::Type_CloseButton, ob::WidgetBase::Type_IconifyButton, ob::WidgetBase::Type_LeftGrip, ob::WidgetBase::Type_MaximizeButton, and ob::WidgetBase::Type_RightGrip. 

00078 {
00079   otk::Widget::setStyle(style);
00080   setTextures();
00081 
00082   switch (type()) {
00083   case Type_LeftGrip:
00084   case Type_RightGrip:
00085     setBorderColor(_style->frameBorderColor());
00086     break;
00087   case Type_AllDesktopsButton:
00088   case Type_CloseButton:
00089   case Type_MaximizeButton:
00090   case Type_IconifyButton:
00091     break;
00092   default:
00093     assert(false); // there's no other button widgets!
00094   }
00095 }

void ob::ButtonWidget::setTextures (    )  [private]
 

Definition at line 30 of file buttonwidget.cc.

References _client, _pressed, otk::Widget::_style, ob::Client::desktop(), ob::Client::maxHorz(), ob::Client::maxVert(), otk::Widget::setTexture(), ob::WidgetBase::type(), ob::WidgetBase::Type_AllDesktopsButton, ob::WidgetBase::Type_CloseButton, ob::WidgetBase::Type_IconifyButton, ob::WidgetBase::Type_LeftGrip, ob::WidgetBase::Type_MaximizeButton, and ob::WidgetBase::Type_RightGrip.

Referenced by buttonPressHandler(), buttonReleaseHandler(), focus(), setStyle(), unfocus(), and update(). 

00031 {
00032   bool p = _pressed;
00033 
00034   switch (type()) {
00035   case Type_AllDesktopsButton:
00036     if (_client->desktop() == (signed)0xffffffff)
00037       p = true;
00038     break;
00039   case Type_MaximizeButton:
00040     if (_client->maxHorz() || _client->maxVert())
00041       p = true;
00042     break;
00043   default:
00044     break;
00045   }
00046   
00047   switch (type()) {
00048   case Type_LeftGrip:
00049   case Type_RightGrip:
00050     if (_focused)
00051       setTexture(_style->gripFocusBackground());
00052     else
00053       setTexture(_style->gripUnfocusBackground());
00054     break;
00055   case Type_AllDesktopsButton:
00056   case Type_MaximizeButton:
00057   case Type_CloseButton:
00058   case Type_IconifyButton:
00059     if (p) {
00060       if (_focused)
00061         setTexture(_style->buttonPressFocusBackground());
00062       else
00063         setTexture(_style->buttonPressUnfocusBackground());
00064     } else {
00065       if (_focused)
00066         setTexture(_style->buttonUnpressFocusBackground());
00067       else
00068         setTexture(_style->buttonUnpressUnfocusBackground());
00069     }
00070     break;
00071   default:
00072     assert(false); // there's no other button widgets!
00073   }
00074 }

void ob::ButtonWidget::unfocus (    )  [virtual]
 

Reimplemented from otk::Widget.

Definition at line 187 of file buttonwidget.cc.

References setTextures(), and otk::Widget::unfocus(). 

00188 {
00189   otk::Widget::unfocus();
00190   setTextures();
00191 }

void ob::ButtonWidget::update (    )  [virtual]
 

Reimplemented from otk::Widget.

Definition at line 98 of file buttonwidget.cc.

References _client, _state, ob::Client::desktop(), ob::Client::maxHorz(), ob::Client::maxVert(), setTextures(), ob::WidgetBase::type(), ob::WidgetBase::Type_AllDesktopsButton, ob::WidgetBase::Type_MaximizeButton, and otk::Widget::update().

Referenced by ob::Frame::adjustState(), buttonPressHandler(), and buttonReleaseHandler(). 

00099 {
00100   switch (type()) {
00101   case Type_AllDesktopsButton:
00102     if ((_client->desktop() == (signed)0xffffffff) != _state) {
00103       _state = !_state;
00104       setTextures();
00105     }
00106     break;
00107   case Type_MaximizeButton:
00108     if ((_client->maxHorz() || _client->maxVert()) != _state) {
00109       _state = !_state;
00110       setTextures();
00111     }
00112     break;
00113   default:
00114     break;
00115   }
00116   
00117   otk::Widget::update();
00118 }

Member Data Documentation

unsigned int ob::ButtonWidget::_button [private]
 

Definition at line 18 of file buttonwidget.hh.

Referenced by buttonPressHandler(), and buttonReleaseHandler().

Client* ob::ButtonWidget::_client [private]
 

Definition at line 16 of file buttonwidget.hh.

Referenced by setTextures(), and update().

bool ob::ButtonWidget::_pressed [private]
 

Definition at line 17 of file buttonwidget.hh.

Referenced by buttonPressHandler(), buttonReleaseHandler(), and setTextures().

bool ob::ButtonWidget::_state [private]
 

Definition at line 19 of file buttonwidget.hh.

Referenced by update().

The documentation for this class was generated from the following files:
Generated on Tue Feb 4 23:00:13 2003 for Openbox by doxygen1.3-rc2