4 #include "screeninfo.hh"
11 OtkWidget::OtkWidget(OtkWidget *parent, Direction direction)
14 _parent(parent), _style(parent->getStyle()), _direction(direction),
15 _cursor(parent->getCursor()), _bevel_width(parent->getBevelWidth()),
17 _visible(false), _focused(false), _grabbed_mouse(false),
18 _grabbed_keyboard(false), _stretchable_vert(false),
19 _stretchable_horz(false), _texture(0), _bg_pixmap(0), _bg_pixel(0),
20 _screen(parent->getScreen()), _fixed_width(false), _fixed_height(false),
21 _event_dispatcher(parent->getEventDispatcher())
23 parent->addChild(this);
25 _event_dispatcher->registerHandler(_window, this);
28 OtkWidget::OtkWidget(OtkApplication *app, Direction direction,
29 Cursor cursor, int bevel_width)
32 _parent(0), _style(app->getStyle()), _direction(direction), _cursor(cursor),
33 _bevel_width(bevel_width), _ignore_config(0), _visible(false),
34 _focused(false), _grabbed_mouse(false), _grabbed_keyboard(false),
35 _stretchable_vert(false), _stretchable_horz(false), _texture(0),
36 _bg_pixmap(0), _bg_pixel(0), _screen(app->getStyle()->getScreen()),
37 _fixed_width(false), _fixed_height(false),
38 _event_dispatcher(app)
42 _event_dispatcher->registerHandler(_window, this);
43 app->setMainWidget(this);
46 OtkWidget::OtkWidget(Style *style, Direction direction,
47 Cursor cursor, int bevel_width)
50 _parent(0), _style(style), _direction(direction), _cursor(cursor),
51 _bevel_width(bevel_width), _ignore_config(0), _visible(false),
52 _focused(false), _grabbed_mouse(false), _grabbed_keyboard(false),
53 _stretchable_vert(false), _stretchable_horz(false), _texture(0),
54 _bg_pixmap(0), _bg_pixel(0), _screen(style->getScreen()),
55 _fixed_width(false), _fixed_height(false)
61 OtkWidget::~OtkWidget()
66 std::for_each(_children.begin(), _children.end(), PointerAssassin());
69 _parent->removeChild(this);
71 XDestroyWindow(otk::OBDisplay::display, _window);
74 void OtkWidget::create(void)
76 const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
77 Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
79 _rect.setRect(0, 0, 1, 1); // just some initial values
81 XSetWindowAttributes attrib_create;
82 unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
84 attrib_create.background_pixmap = None;
85 attrib_create.colormap = scr_info->getColormap();
86 attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
87 ButtonMotionMask | ExposureMask | StructureNotifyMask;
90 create_mask |= CWCursor;
91 attrib_create.cursor = _cursor;
94 _window = XCreateWindow(otk::OBDisplay::display, p_window, _rect.x(),
95 _rect.y(), _rect.width(), _rect.height(), 0,
96 scr_info->getDepth(), InputOutput,
97 scr_info->getVisual(), create_mask, &attrib_create);
101 void OtkWidget::setWidth(int w)
105 setGeometry(_rect.x(), _rect.y(), w, _rect.height());
108 void OtkWidget::setHeight(int h)
111 _fixed_height = true;
112 setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
115 void OtkWidget::move(const Point &to)
117 move(to.x(), to.y());
120 void OtkWidget::move(int x, int y)
123 XMoveWindow(otk::OBDisplay::display, _window, x, y);
127 void OtkWidget::resize(const Point &to)
129 resize(to.x(), to.y());
132 void OtkWidget::resize(int w, int h)
134 assert(w > 0 && h > 0);
135 _fixed_width = _fixed_height = true;
136 setGeometry(_rect.x(), _rect.y(), w, h);
139 void OtkWidget::setGeometry(const Rect &new_geom)
141 setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
144 void OtkWidget::setGeometry(const Point &topleft, int width, int height)
146 setGeometry(topleft.x(), topleft.y(), width, height);
149 void OtkWidget::setGeometry(int x, int y, int width, int height)
151 _rect = Rect(x, y, width, height);
154 XMoveResizeWindow(otk::OBDisplay::display, _window, x, y, width, height);
158 void OtkWidget::show(void)
163 // make sure the internal state isn't mangled
167 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
168 for (; it != end; ++it)
171 XMapWindow(otk::OBDisplay::display, _window);
175 void OtkWidget::hide(void)
180 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
181 for (; it != end; ++it)
184 XUnmapWindow(otk::OBDisplay::display, _window);
188 void OtkWidget::focus(void)
193 XSetInputFocus(otk::OBDisplay::display, _window, RevertToPointerRoot,
197 bool OtkWidget::grabMouse(void)
199 Status ret = XGrabPointer(otk::OBDisplay::display, _window, True,
200 (ButtonPressMask | ButtonReleaseMask |
201 ButtonMotionMask | EnterWindowMask |
202 LeaveWindowMask | PointerMotionMask),
203 GrabModeSync, GrabModeAsync, None, None,
205 _grabbed_mouse = (ret == GrabSuccess);
206 return _grabbed_mouse;
209 void OtkWidget::ungrabMouse(void)
211 if (! _grabbed_mouse)
214 XUngrabPointer(otk::OBDisplay::display, CurrentTime);
215 _grabbed_mouse = false;
218 bool OtkWidget::grabKeyboard(void)
220 Status ret = XGrabKeyboard(otk::OBDisplay::display, _window, True,
221 GrabModeSync, GrabModeAsync, CurrentTime);
222 _grabbed_keyboard = (ret == GrabSuccess);
223 return _grabbed_keyboard;
227 void OtkWidget::ungrabKeyboard(void)
229 if (! _grabbed_keyboard)
232 XUngrabKeyboard(otk::OBDisplay::display, CurrentTime);
233 _grabbed_keyboard = false;
236 void OtkWidget::render(void)
238 _bg_pixmap = _texture->render(_rect.width(), _rect.height(), _bg_pixmap);
241 XSetWindowBackgroundPixmap(otk::OBDisplay::display, _window, _bg_pixmap);
243 unsigned int pix = _texture->color().pixel();
244 if (pix != _bg_pixel) {
246 XSetWindowBackground(otk::OBDisplay::display, _window, pix);
251 void OtkWidget::adjust(void)
253 if (_direction == Horizontal)
259 void OtkWidget::adjustHorz(void)
261 if (_children.size() == 0)
265 OtkWidgetList::iterator it, end = _children.end();
268 int width = _bevel_width;
269 OtkWidgetList stretchable;
271 for (it = _children.begin(); it != end; ++it) {
273 if (tmp->isStretchableVert())
274 tmp->setHeight(_rect.height() > _bevel_width * 2 ?
275 _rect.height() - _bevel_width * 2 : _bevel_width);
276 if (tmp->isStretchableHorz())
277 stretchable.push_back(tmp);
279 width += tmp->_rect.width() + _bevel_width;
281 if (tmp->_rect.height() > tallest)
282 tallest = tmp->_rect.height();
285 if (stretchable.size() > 0) {
286 OtkWidgetList::iterator str_it = stretchable.begin(),
287 str_end = stretchable.end();
289 int str_width = _rect.width() - width / stretchable.size();
291 for (; str_it != str_end; ++str_it)
292 (*str_it)->setWidth(str_width > _bevel_width ? str_width - _bevel_width
296 OtkWidget *prev_widget = 0;
298 for (it = _children.begin(); it != end; ++it) {
303 x = prev_widget->_rect.x() + prev_widget->_rect.width() + _bevel_width;
305 x = _rect.x() + _bevel_width;
306 y = (tallest - tmp->_rect.height()) / 2 + _bevel_width;
313 internalResize(width, tallest + _bevel_width * 2);
316 void OtkWidget::adjustVert(void)
318 if (_children.size() == 0)
322 OtkWidgetList::iterator it, end = _children.end();
325 int height = _bevel_width;
326 OtkWidgetList stretchable;
328 for (it = _children.begin(); it != end; ++it) {
330 if (tmp->isStretchableHorz())
331 tmp->setWidth(_rect.width() > _bevel_width * 2 ?
332 _rect.width() - _bevel_width * 2 : _bevel_width);
333 if (tmp->isStretchableVert())
334 stretchable.push_back(tmp);
336 height += tmp->_rect.height() + _bevel_width;
338 if (tmp->_rect.width() > widest)
339 widest = tmp->_rect.width();
342 if (stretchable.size() > 0) {
343 OtkWidgetList::iterator str_it = stretchable.begin(),
344 str_end = stretchable.end();
346 int str_height = _rect.height() - height / stretchable.size();
348 for (; str_it != str_end; ++str_it)
349 (*str_it)->setHeight(str_height > _bevel_width ?
350 str_height - _bevel_width : _bevel_width);
353 OtkWidget *prev_widget = 0;
355 for (it = _children.begin(); it != end; ++it) {
360 y = prev_widget->_rect.y() + prev_widget->_rect.height() + _bevel_width;
362 y = _rect.y() + _bevel_width;
363 x = (widest - tmp->_rect.width()) / 2 + _bevel_width;
370 internalResize(widest + _bevel_width * 2, height);
373 void OtkWidget::update(void)
378 XClearWindow(OBDisplay::display, _window);
381 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
382 for (; it != end; ++it)
388 void OtkWidget::internalResize(int w, int h)
390 assert(w > 0 && h > 0);
392 if (! _fixed_width && ! _fixed_height)
394 else if (! _fixed_width)
395 resize(w, _rect.height());
396 else if (! _fixed_height)
397 resize(_rect.width(), h);
400 void OtkWidget::addChild(OtkWidget *child, bool front)
404 _children.push_front(child);
406 _children.push_back(child);
409 void OtkWidget::removeChild(OtkWidget *child)
412 OtkWidgetList::iterator it, end = _children.end();
413 for (it = _children.begin(); it != end; ++it) {
418 if (it != _children.end())
422 void OtkWidget::setEventDispatcher(OtkEventDispatcher *disp)
424 if (_event_dispatcher)
425 _event_dispatcher->clearHandler(_window);
426 _event_dispatcher = disp;
427 _event_dispatcher->registerHandler(_window, this);
430 int OtkWidget::exposeHandler(const XExposeEvent &e)
432 OtkEventHandler::exposeHandler(e);
438 int OtkWidget::configureHandler(const XConfigureEvent &e)
440 OtkEventHandler::configureHandler(e);
441 if (_ignore_config) {
444 if (!(e.width == _rect.width() && e.height == _rect.height())) {
446 _rect.setSize(e.width, e.height);