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)
19 _dirty(false), _focused(false),
20 _parent(parent), _style(parent->style()), _direction(direction),
21 _cursor(parent->cursor()), _bevel_width(parent->bevelWidth()),
23 _visible(false), _grabbed_mouse(false),
24 _grabbed_keyboard(false), _stretchable_vert(false),
25 _stretchable_horz(false), _texture(0), _bg_pixmap(0), _bg_pixel(0),
26 _bcolor(0), _bwidth(0), _screen(parent->screen()), _fixed_width(false),
27 _fixed_height(false), _event_dispatcher(parent->eventDispatcher())
30 parent->addChild(this);
32 _event_dispatcher->registerHandler(_window, this);
33 setStyle(_style); // let the widget initialize stuff
36 Widget::Widget(EventDispatcher *event_dispatcher, Style *style,
37 Direction direction, Cursor cursor, int bevel_width,
38 bool override_redirect)
40 _dirty(false),_focused(false),
41 _parent(0), _style(style), _direction(direction), _cursor(cursor),
42 _bevel_width(bevel_width), _ignore_config(0), _visible(false),
43 _grabbed_mouse(false), _grabbed_keyboard(false),
44 _stretchable_vert(false), _stretchable_horz(false), _texture(0),
45 _bg_pixmap(0), _bg_pixel(0), _bcolor(0), _bwidth(0),
46 _screen(style->getScreen()), _fixed_width(false), _fixed_height(false),
47 _event_dispatcher(event_dispatcher)
49 assert(event_dispatcher);
51 create(override_redirect);
52 _event_dispatcher->registerHandler(_window, this);
53 setStyle(_style); // let the widget initialize stuff
61 _event_dispatcher->clearHandler(_window);
63 std::for_each(_children.begin(), _children.end(), PointerAssassin());
66 _parent->removeChild(this);
68 XDestroyWindow(**display, _window);
71 void Widget::create(bool override_redirect)
73 const ScreenInfo *scr_info = display->screenInfo(_screen);
74 Window p_window = _parent ? _parent->window() : scr_info->rootWindow();
76 _rect.setRect(0, 0, 1, 1); // just some initial values
78 XSetWindowAttributes attrib_create;
79 unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
81 attrib_create.background_pixmap = None;
82 attrib_create.colormap = scr_info->colormap();
83 attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
84 ButtonMotionMask | ExposureMask | StructureNotifyMask;
86 if (override_redirect) {
87 create_mask |= CWOverrideRedirect;
88 attrib_create.override_redirect = true;
92 create_mask |= CWCursor;
93 attrib_create.cursor = _cursor;
96 _window = XCreateWindow(**display, p_window, _rect.x(),
97 _rect.y(), _rect.width(), _rect.height(), 0,
98 scr_info->depth(), InputOutput,
99 scr_info->visual(), create_mask, &attrib_create);
103 void Widget::setWidth(int w)
107 setGeometry(_rect.x(), _rect.y(), w, _rect.height());
110 void Widget::setHeight(int h)
113 _fixed_height = true;
114 setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
117 void Widget::move(const Point &to)
119 move(to.x(), to.y());
122 void Widget::move(int x, int y)
125 XMoveWindow(**display, _window, x, y);
129 void Widget::resize(const Point &to)
131 resize(to.x(), to.y());
134 void Widget::resize(int w, int h)
136 assert(w > 0 && h > 0);
137 _fixed_width = _fixed_height = true;
138 setGeometry(_rect.x(), _rect.y(), w, h);
141 void Widget::setGeometry(const Rect &new_geom)
143 setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
146 void Widget::setGeometry(const Point &topleft, int width, int height)
148 setGeometry(topleft.x(), topleft.y(), width, height);
151 void Widget::setGeometry(int x, int y, int width, int height)
153 _rect = Rect(x, y, width, height);
156 // don't use an XMoveResizeWindow here, because it doesn't seem to move
157 // windows with StaticGravity? This works, that didn't.
158 XResizeWindow(**display, _window, width, height);
159 XMoveWindow(**display, _window, x, y);
163 void Widget::show(bool recursive)
168 // make sure the internal state isn't mangled
173 WidgetList::iterator it = _children.begin(), end = _children.end();
174 for (; it != end; ++it)
178 XMapWindow(**display, _window);
182 void Widget::hide(bool recursive)
188 WidgetList::iterator it = _children.begin(), end = _children.end();
189 for (; it != end; ++it)
193 XUnmapWindow(**display, _window);
197 void Widget::focus(void)
201 Widget::WidgetList::iterator it = _children.begin(),
202 end = _children.end();
203 for (; it != end; ++it)
207 void Widget::unfocus(void)
211 Widget::WidgetList::iterator it = _children.begin(),
212 end = _children.end();
213 for (; it != end; ++it)
217 bool Widget::grabMouse(void)
219 Status ret = XGrabPointer(**display, _window, True,
220 (ButtonPressMask | ButtonReleaseMask |
221 ButtonMotionMask | EnterWindowMask |
222 LeaveWindowMask | PointerMotionMask),
223 GrabModeSync, GrabModeAsync, None, None,
225 _grabbed_mouse = (ret == GrabSuccess);
226 return _grabbed_mouse;
229 void Widget::ungrabMouse(void)
231 if (! _grabbed_mouse)
234 XUngrabPointer(**display, CurrentTime);
235 _grabbed_mouse = false;
238 bool Widget::grabKeyboard(void)
240 Status ret = XGrabKeyboard(**display, _window, True,
241 GrabModeSync, GrabModeAsync, CurrentTime);
242 _grabbed_keyboard = (ret == GrabSuccess);
243 return _grabbed_keyboard;
247 void Widget::ungrabKeyboard(void)
249 if (! _grabbed_keyboard)
252 XUngrabKeyboard(**display, CurrentTime);
253 _grabbed_keyboard = false;
256 void Widget::render(void)
258 if (!_texture) return;
260 _bg_pixmap = _texture->render(_rect.width(), _rect.height(), _bg_pixmap);
263 XSetWindowBackgroundPixmap(**display, _window, _bg_pixmap);
266 unsigned int pix = _texture->color().pixel();
267 if (pix != _bg_pixel) {
269 XSetWindowBackground(**display, _window, pix);
274 void Widget::adjust(void)
276 if (_direction == Horizontal)
282 void Widget::adjustHorz(void)
284 if (_children.size() == 0)
288 WidgetList::iterator it, end = _children.end();
291 int width = _bevel_width;
292 WidgetList stretchable;
294 for (it = _children.begin(); it != end; ++it) {
296 if (tmp->isStretchableVert())
297 tmp->setHeight(_rect.height() > _bevel_width * 2 ?
298 _rect.height() - _bevel_width * 2 : _bevel_width);
299 if (tmp->isStretchableHorz())
300 stretchable.push_back(tmp);
302 width += tmp->_rect.width() + _bevel_width;
304 if (tmp->_rect.height() > tallest)
305 tallest = tmp->_rect.height();
308 if (stretchable.size() > 0) {
309 WidgetList::iterator str_it = stretchable.begin(),
310 str_end = stretchable.end();
312 int str_width = _rect.width() - width / stretchable.size();
314 for (; str_it != str_end; ++str_it)
315 (*str_it)->setWidth(str_width > _bevel_width ? str_width - _bevel_width
319 Widget *prev_widget = 0;
321 for (it = _children.begin(); it != end; ++it) {
326 x = prev_widget->_rect.x() + prev_widget->_rect.width() + _bevel_width;
328 x = _rect.x() + _bevel_width;
329 y = (tallest - tmp->_rect.height()) / 2 + _bevel_width;
336 internalResize(width, tallest + _bevel_width * 2);
339 void Widget::adjustVert(void)
341 if (_children.size() == 0)
345 WidgetList::iterator it, end = _children.end();
348 int height = _bevel_width;
349 WidgetList stretchable;
351 for (it = _children.begin(); it != end; ++it) {
353 if (tmp->isStretchableHorz())
354 tmp->setWidth(_rect.width() > _bevel_width * 2 ?
355 _rect.width() - _bevel_width * 2 : _bevel_width);
356 if (tmp->isStretchableVert())
357 stretchable.push_back(tmp);
359 height += tmp->_rect.height() + _bevel_width;
361 if (tmp->_rect.width() > widest)
362 widest = tmp->_rect.width();
365 if (stretchable.size() > 0) {
366 WidgetList::iterator str_it = stretchable.begin(),
367 str_end = stretchable.end();
369 int str_height = _rect.height() - height / stretchable.size();
371 for (; str_it != str_end; ++str_it)
372 (*str_it)->setHeight(str_height > _bevel_width ?
373 str_height - _bevel_width : _bevel_width);
376 Widget *prev_widget = 0;
378 for (it = _children.begin(); it != end; ++it) {
383 y = prev_widget->_rect.y() + prev_widget->_rect.height() + _bevel_width;
385 y = _rect.y() + _bevel_width;
386 x = (widest - tmp->_rect.width()) / 2 + _bevel_width;
393 internalResize(widest + _bevel_width * 2, height);
396 void Widget::update(void)
401 XClearWindow(**display, _window);
404 WidgetList::iterator it = _children.begin(), end = _children.end();
405 for (; it != end; ++it)
411 void Widget::internalResize(int w, int h)
413 assert(w > 0 && h > 0);
415 if (! _fixed_width && ! _fixed_height)
417 else if (! _fixed_width)
418 resize(w, _rect.height());
419 else if (! _fixed_height)
420 resize(_rect.width(), h);
423 void Widget::addChild(Widget *child, bool front)
427 _children.push_front(child);
429 _children.push_back(child);
432 void Widget::removeChild(Widget *child)
435 WidgetList::iterator it, end = _children.end();
436 for (it = _children.begin(); it != end; ++it) {
441 if (it != _children.end())
445 void Widget::setStyle(Style *style)
451 WidgetList::iterator it, end = _children.end();
452 for (it = _children.begin(); it != end; ++it)
453 (*it)->setStyle(style);
457 void Widget::setEventDispatcher(EventDispatcher *disp)
459 if (_event_dispatcher)
460 _event_dispatcher->clearHandler(_window);
461 _event_dispatcher = disp;
462 _event_dispatcher->registerHandler(_window, this);
465 void Widget::exposeHandler(const XExposeEvent &e)
467 EventHandler::exposeHandler(e);
472 void Widget::configureHandler(const XConfigureEvent &e)
474 EventHandler::configureHandler(e);
475 if (_ignore_config) {
478 if (!(e.width == _rect.width() && e.height == _rect.height())) {
480 _rect.setSize(e.width, e.height);