1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
4 # include "../config.h"
5 #endif // HAVE_CONFIG_H
10 #include "screeninfo.hh"
17 Widget::Widget(Widget
*parent
, Direction direction
)
18 : Surface(parent
->screen()),
20 _dirty(false), _focused(false),
21 _parent(parent
), _style(parent
->style()), _direction(direction
),
22 _cursor(parent
->cursor()), _bevel_width(parent
->bevelWidth()),
24 _visible(false), _grabbed_mouse(false),
25 _grabbed_keyboard(false), _stretchable_vert(false),
26 _stretchable_horz(false), _texture(0), _bg_pixmap(0), _bg_pixel(0),
27 _bcolor(0), _bwidth(0), _pos(0,0), _screen(parent
->screen()),
28 _fixed_width(false), _fixed_height(false),
29 _event_dispatcher(parent
->eventDispatcher())
32 parent
->addChild(this);
34 _event_dispatcher
->registerHandler(_window
, this);
35 setStyle(_style
); // let the widget initialize stuff
38 Widget::Widget(EventDispatcher
*event_dispatcher
, Style
*style
,
39 Direction direction
, Cursor cursor
, int bevel_width
,
40 bool override_redirect
)
41 : Surface(style
->getScreen()),
43 _dirty(false),_focused(false),
44 _parent(0), _style(style
), _direction(direction
), _cursor(cursor
),
45 _bevel_width(bevel_width
), _ignore_config(0), _visible(false),
46 _grabbed_mouse(false), _grabbed_keyboard(false),
47 _stretchable_vert(false), _stretchable_horz(false), _texture(0),
48 _bg_pixmap(0), _bg_pixel(0), _bcolor(0), _bwidth(0), _pos(0,0),
49 _screen(style
->getScreen()), _fixed_width(false), _fixed_height(false),
50 _event_dispatcher(event_dispatcher
)
52 assert(event_dispatcher
);
54 create(override_redirect
);
55 _event_dispatcher
->registerHandler(_window
, this);
56 setStyle(_style
); // let the widget initialize stuff
64 _event_dispatcher
->clearHandler(_window
);
66 std::for_each(_children
.begin(), _children
.end(), PointerAssassin());
69 _parent
->removeChild(this);
71 XDestroyWindow(**display
, _window
);
74 void Widget::create(bool override_redirect
)
76 const ScreenInfo
*scr_info
= display
->screenInfo(_screen
);
77 Window p_window
= _parent
? _parent
->window() : scr_info
->rootWindow();
79 XSetWindowAttributes attrib_create
;
80 unsigned long create_mask
= CWBackPixmap
| CWBorderPixel
| CWEventMask
;
82 attrib_create
.background_pixmap
= None
;
83 attrib_create
.colormap
= scr_info
->colormap();
84 attrib_create
.event_mask
= ButtonPressMask
| ButtonReleaseMask
|
85 ButtonMotionMask
| ExposureMask
| StructureNotifyMask
;
87 if (override_redirect
) {
88 create_mask
|= CWOverrideRedirect
;
89 attrib_create
.override_redirect
= true;
93 create_mask
|= CWCursor
;
94 attrib_create
.cursor
= _cursor
;
97 _window
= XCreateWindow(**display
, p_window
, _pos
.x(),
98 _pos
.y(), width(), height(), 0,
99 scr_info
->depth(), InputOutput
,
100 scr_info
->visual(), create_mask
, &attrib_create
);
104 void Widget::setWidth(int w
)
108 setGeometry(_pos
.x(), _pos
.y(), w
, height());
111 void Widget::setHeight(int h
)
114 _fixed_height
= true;
115 setGeometry(_pos
.x(), _pos
.y(), _pos
.x(), h
);
118 void Widget::move(const Point
&to
)
120 move(to
.x(), to
.y());
123 void Widget::move(int x
, int y
)
126 XMoveWindow(**display
, _window
, x
, y
);
130 void Widget::resize(const Point
&to
)
132 resize(to
.x(), to
.y());
135 void Widget::resize(int w
, int h
)
137 assert(w
> 0 && h
> 0);
138 _fixed_width
= _fixed_height
= true;
139 setGeometry(_pos
.x(), _pos
.y(), w
, h
);
142 void Widget::setGeometry(const Rect
&new_geom
)
144 setGeometry(new_geom
.x(), new_geom
.y(), new_geom
.width(), new_geom
.height());
147 void Widget::setGeometry(const Point
&topleft
, int width
, int height
)
149 setGeometry(topleft
.x(), topleft
.y(), width
, height
);
152 void Widget::setGeometry(int x
, int y
, int width
, int height
)
155 setSize(width
, height
);
158 // don't use an XMoveResizeWindow here, because it doesn't seem to move
159 // windows with StaticGravity? This works, that didn't.
160 XResizeWindow(**display
, _window
, width
, height
);
161 XMoveWindow(**display
, _window
, x
, y
);
165 void Widget::show(bool recursive
)
170 // make sure the internal state isn't mangled
175 WidgetList::iterator it
= _children
.begin(), end
= _children
.end();
176 for (; it
!= end
; ++it
)
180 XMapWindow(**display
, _window
);
184 void Widget::hide(bool recursive
)
190 WidgetList::iterator it
= _children
.begin(), end
= _children
.end();
191 for (; it
!= end
; ++it
)
195 XUnmapWindow(**display
, _window
);
199 void Widget::focus(void)
203 Widget::WidgetList::iterator it
= _children
.begin(),
204 end
= _children
.end();
205 for (; it
!= end
; ++it
)
209 void Widget::unfocus(void)
213 Widget::WidgetList::iterator it
= _children
.begin(),
214 end
= _children
.end();
215 for (; it
!= end
; ++it
)
219 bool Widget::grabMouse(void)
221 Status ret
= XGrabPointer(**display
, _window
, True
,
222 (ButtonPressMask
| ButtonReleaseMask
|
223 ButtonMotionMask
| EnterWindowMask
|
224 LeaveWindowMask
| PointerMotionMask
),
225 GrabModeSync
, GrabModeAsync
, None
, None
,
227 _grabbed_mouse
= (ret
== GrabSuccess
);
228 return _grabbed_mouse
;
231 void Widget::ungrabMouse(void)
233 if (! _grabbed_mouse
)
236 XUngrabPointer(**display
, CurrentTime
);
237 _grabbed_mouse
= false;
240 bool Widget::grabKeyboard(void)
242 Status ret
= XGrabKeyboard(**display
, _window
, True
,
243 GrabModeSync
, GrabModeAsync
, CurrentTime
);
244 _grabbed_keyboard
= (ret
== GrabSuccess
);
245 return _grabbed_keyboard
;
249 void Widget::ungrabKeyboard(void)
251 if (! _grabbed_keyboard
)
254 XUngrabKeyboard(**display
, CurrentTime
);
255 _grabbed_keyboard
= false;
258 void Widget::render(void)
260 if (!_texture
) return;
262 _bg_pixmap
= _texture
->render(width(), height(), _bg_pixmap
);
265 XSetWindowBackgroundPixmap(**display
, _window
, _bg_pixmap
);
268 unsigned int pix
= _texture
->color().pixel();
269 if (pix
!= _bg_pixel
) {
271 XSetWindowBackground(**display
, _window
, pix
);
276 void Widget::adjust(void)
278 if (_direction
== Horizontal
)
284 void Widget::adjustHorz(void)
286 if (_children
.size() == 0)
290 WidgetList::iterator it
, end
= _children
.end();
293 int width
= _bevel_width
;
294 WidgetList stretchable
;
296 for (it
= _children
.begin(); it
!= end
; ++it
) {
298 if (tmp
->isStretchableVert())
299 tmp
->setHeight(height() > _bevel_width
* 2 ?
300 height() - _bevel_width
* 2 : _bevel_width
);
301 if (tmp
->isStretchableHorz())
302 stretchable
.push_back(tmp
);
304 width
+= tmp
->width() + _bevel_width
;
306 if (tmp
->height() > tallest
)
307 tallest
= tmp
->height();
310 if (stretchable
.size() > 0) {
311 WidgetList::iterator str_it
= stretchable
.begin(),
312 str_end
= stretchable
.end();
314 int str_width
= Surface::width() - width
/ stretchable
.size();
316 for (; str_it
!= str_end
; ++str_it
)
317 (*str_it
)->setWidth(str_width
> _bevel_width
? str_width
- _bevel_width
321 Widget
*prev_widget
= 0;
323 for (it
= _children
.begin(); it
!= end
; ++it
) {
328 x
= prev_widget
->_pos
.x() + prev_widget
->width() + _bevel_width
;
330 x
= _pos
.x() + _bevel_width
;
331 y
= (tallest
- tmp
->height()) / 2 + _bevel_width
;
338 internalResize(width
, tallest
+ _bevel_width
* 2);
341 void Widget::adjustVert(void)
343 if (_children
.size() == 0)
347 WidgetList::iterator it
, end
= _children
.end();
350 int height
= _bevel_width
;
351 WidgetList stretchable
;
353 for (it
= _children
.begin(); it
!= end
; ++it
) {
355 if (tmp
->isStretchableHorz())
356 tmp
->setWidth(width() > _bevel_width
* 2 ?
357 width() - _bevel_width
* 2 : _bevel_width
);
358 if (tmp
->isStretchableVert())
359 stretchable
.push_back(tmp
);
361 height
+= tmp
->height() + _bevel_width
;
363 if (tmp
->width() > widest
)
364 widest
= tmp
->width();
367 if (stretchable
.size() > 0) {
368 WidgetList::iterator str_it
= stretchable
.begin(),
369 str_end
= stretchable
.end();
371 int str_height
= Surface::height() - height
/ stretchable
.size();
373 for (; str_it
!= str_end
; ++str_it
)
374 (*str_it
)->setHeight(str_height
> _bevel_width
?
375 str_height
- _bevel_width
: _bevel_width
);
378 Widget
*prev_widget
= 0;
380 for (it
= _children
.begin(); it
!= end
; ++it
) {
385 y
= prev_widget
->_pos
.y() + prev_widget
->height() + _bevel_width
;
387 y
= _pos
.y() + _bevel_width
;
388 x
= (widest
- tmp
->width()) / 2 + _bevel_width
;
395 internalResize(widest
+ _bevel_width
* 2, height
);
398 void Widget::update(void)
403 XClearWindow(**display
, _window
);
406 WidgetList::iterator it
= _children
.begin(), end
= _children
.end();
407 for (; it
!= end
; ++it
)
413 void Widget::internalResize(int w
, int h
)
415 assert(w
> 0 && h
> 0);
417 if (! _fixed_width
&& ! _fixed_height
)
419 else if (! _fixed_width
)
421 else if (! _fixed_height
)
425 void Widget::addChild(Widget
*child
, bool front
)
429 _children
.push_front(child
);
431 _children
.push_back(child
);
434 void Widget::removeChild(Widget
*child
)
437 WidgetList::iterator it
, end
= _children
.end();
438 for (it
= _children
.begin(); it
!= end
; ++it
) {
443 if (it
!= _children
.end())
447 void Widget::setStyle(Style
*style
)
453 WidgetList::iterator it
, end
= _children
.end();
454 for (it
= _children
.begin(); it
!= end
; ++it
)
455 (*it
)->setStyle(style
);
459 void Widget::setEventDispatcher(EventDispatcher
*disp
)
461 if (_event_dispatcher
)
462 _event_dispatcher
->clearHandler(_window
);
463 _event_dispatcher
= disp
;
464 _event_dispatcher
->registerHandler(_window
, this);
467 void Widget::exposeHandler(const XExposeEvent
&e
)
469 EventHandler::exposeHandler(e
);
474 void Widget::configureHandler(const XConfigureEvent
&e
)
476 EventHandler::configureHandler(e
);
477 if (_ignore_config
) {
480 if (!(e
.width
== width() && e
.height
== height())) {
482 _pos
.setPoint(e
.x
, e
.y
);
483 setSize(e
.width
, e
.height
);