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);
45 OtkWidget::OtkWidget(Style *style, Direction direction,
46 Cursor cursor, int bevel_width)
49 _parent(0), _style(style), _direction(direction), _cursor(cursor),
50 _bevel_width(bevel_width), _ignore_config(0), _visible(false),
51 _focused(false), _grabbed_mouse(false), _grabbed_keyboard(false),
52 _stretchable_vert(false), _stretchable_horz(false), _texture(0),
53 _bg_pixmap(0), _bg_pixel(0), _screen(style->getScreen()),
54 _fixed_width(false), _fixed_height(false)
60 OtkWidget::~OtkWidget()
65 std::for_each(_children.begin(), _children.end(), PointerAssassin());
68 _parent->removeChild(this);
70 XDestroyWindow(otk::OBDisplay::display, _window);
73 void OtkWidget::create(void)
75 const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
76 Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
78 _rect.setRect(0, 0, 1, 1); // just some initial values
80 XSetWindowAttributes attrib_create;
81 unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
83 attrib_create.background_pixmap = None;
84 attrib_create.colormap = scr_info->getColormap();
85 attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
86 ButtonMotionMask | ExposureMask | StructureNotifyMask;
89 create_mask |= CWCursor;
90 attrib_create.cursor = _cursor;
93 _window = XCreateWindow(otk::OBDisplay::display, p_window, _rect.x(),
94 _rect.y(), _rect.width(), _rect.height(), 0,
95 scr_info->getDepth(), InputOutput,
96 scr_info->getVisual(), create_mask, &attrib_create);
100 void OtkWidget::setWidth(int w)
104 setGeometry(_rect.x(), _rect.y(), w, _rect.height());
107 void OtkWidget::setHeight(int h)
110 _fixed_height = true;
111 setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
114 void OtkWidget::move(const Point &to)
116 move(to.x(), to.y());
119 void OtkWidget::move(int x, int y)
122 XMoveWindow(otk::OBDisplay::display, _window, x, y);
126 void OtkWidget::resize(const Point &to)
128 resize(to.x(), to.y());
131 void OtkWidget::resize(int w, int h)
133 assert(w > 0 && h > 0);
134 _fixed_width = _fixed_height = true;
135 setGeometry(_rect.x(), _rect.y(), w, h);
138 void OtkWidget::setGeometry(const Rect &new_geom)
140 setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
143 void OtkWidget::setGeometry(const Point &topleft, int width, int height)
145 setGeometry(topleft.x(), topleft.y(), width, height);
148 void OtkWidget::setGeometry(int x, int y, int width, int height)
150 _rect = Rect(x, y, width, height);
153 XMoveResizeWindow(otk::OBDisplay::display, _window, x, y, width, height);
157 void OtkWidget::show(void)
162 // make sure the internal state isn't mangled
166 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
167 for (; it != end; ++it)
170 XMapWindow(otk::OBDisplay::display, _window);
174 void OtkWidget::hide(void)
179 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
180 for (; it != end; ++it)
183 XUnmapWindow(otk::OBDisplay::display, _window);
187 void OtkWidget::focus(void)
192 XSetInputFocus(otk::OBDisplay::display, _window, RevertToPointerRoot,
196 bool OtkWidget::grabMouse(void)
198 Status ret = XGrabPointer(otk::OBDisplay::display, _window, True,
199 (ButtonPressMask | ButtonReleaseMask |
200 ButtonMotionMask | EnterWindowMask |
201 LeaveWindowMask | PointerMotionMask),
202 GrabModeSync, GrabModeAsync, None, None,
204 _grabbed_mouse = (ret == GrabSuccess);
205 return _grabbed_mouse;
208 void OtkWidget::ungrabMouse(void)
210 if (! _grabbed_mouse)
213 XUngrabPointer(otk::OBDisplay::display, CurrentTime);
214 _grabbed_mouse = false;
217 bool OtkWidget::grabKeyboard(void)
219 Status ret = XGrabKeyboard(otk::OBDisplay::display, _window, True,
220 GrabModeSync, GrabModeAsync, CurrentTime);
221 _grabbed_keyboard = (ret == GrabSuccess);
222 return _grabbed_keyboard;
226 void OtkWidget::ungrabKeyboard(void)
228 if (! _grabbed_keyboard)
231 XUngrabKeyboard(otk::OBDisplay::display, CurrentTime);
232 _grabbed_keyboard = false;
235 void OtkWidget::render(void)
237 _bg_pixmap = _texture->render(_rect.width(), _rect.height(), _bg_pixmap);
240 XSetWindowBackgroundPixmap(otk::OBDisplay::display, _window, _bg_pixmap);
242 unsigned int pix = _texture->color().pixel();
243 if (pix != _bg_pixel) {
245 XSetWindowBackground(otk::OBDisplay::display, _window, pix);
250 void OtkWidget::adjust(void)
252 if (_direction == Horizontal)
258 void OtkWidget::adjustHorz(void)
260 if (_children.size() == 0)
264 OtkWidgetList::iterator it, end = _children.end();
267 int width = _bevel_width;
268 OtkWidgetList stretchable;
270 for (it = _children.begin(); it != end; ++it) {
272 if (tmp->isStretchableVert())
273 tmp->setHeight(_rect.height() > _bevel_width * 2 ?
274 _rect.height() - _bevel_width * 2 : _bevel_width);
275 if (tmp->isStretchableHorz())
276 stretchable.push_back(tmp);
278 width += tmp->_rect.width() + _bevel_width;
280 if (tmp->_rect.height() > tallest)
281 tallest = tmp->_rect.height();
284 if (stretchable.size() > 0) {
285 OtkWidgetList::iterator str_it = stretchable.begin(),
286 str_end = stretchable.end();
288 int str_width = _rect.width() - width / stretchable.size();
290 for (; str_it != str_end; ++str_it)
291 (*str_it)->setWidth(str_width > _bevel_width ? str_width - _bevel_width
295 OtkWidget *prev_widget = 0;
297 for (it = _children.begin(); it != end; ++it) {
302 x = prev_widget->_rect.x() + prev_widget->_rect.width() + _bevel_width;
304 x = _rect.x() + _bevel_width;
305 y = (tallest - tmp->_rect.height()) / 2 + _bevel_width;
312 internalResize(width, tallest + _bevel_width * 2);
315 void OtkWidget::adjustVert(void)
317 if (_children.size() == 0)
321 OtkWidgetList::iterator it, end = _children.end();
324 int height = _bevel_width;
325 OtkWidgetList stretchable;
327 for (it = _children.begin(); it != end; ++it) {
329 if (tmp->isStretchableHorz())
330 tmp->setWidth(_rect.width() > _bevel_width * 2 ?
331 _rect.width() - _bevel_width * 2 : _bevel_width);
332 if (tmp->isStretchableVert())
333 stretchable.push_back(tmp);
335 height += tmp->_rect.height() + _bevel_width;
337 if (tmp->_rect.width() > widest)
338 widest = tmp->_rect.width();
341 if (stretchable.size() > 0) {
342 OtkWidgetList::iterator str_it = stretchable.begin(),
343 str_end = stretchable.end();
345 int str_height = _rect.height() - height / stretchable.size();
347 for (; str_it != str_end; ++str_it)
348 (*str_it)->setHeight(str_height > _bevel_width ?
349 str_height - _bevel_width : _bevel_width);
352 OtkWidget *prev_widget = 0;
354 for (it = _children.begin(); it != end; ++it) {
359 y = prev_widget->_rect.y() + prev_widget->_rect.height() + _bevel_width;
361 y = _rect.y() + _bevel_width;
362 x = (widest - tmp->_rect.width()) / 2 + _bevel_width;
369 internalResize(widest + _bevel_width * 2, height);
372 void OtkWidget::update(void)
377 XClearWindow(OBDisplay::display, _window);
380 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
381 for (; it != end; ++it)
387 void OtkWidget::internalResize(int w, int h)
389 assert(w > 0 && h > 0);
391 if (! _fixed_width && ! _fixed_height)
393 else if (! _fixed_width)
394 resize(w, _rect.height());
395 else if (! _fixed_height)
396 resize(_rect.width(), h);
399 void OtkWidget::addChild(OtkWidget *child, bool front)
403 _children.push_front(child);
405 _children.push_back(child);
408 void OtkWidget::removeChild(OtkWidget *child)
411 OtkWidgetList::iterator it, end = _children.end();
412 for (it = _children.begin(); it != end; ++it) {
417 if (it != _children.end())
421 void OtkWidget::setEventDispatcher(OtkEventDispatcher *disp)
423 if (_event_dispatcher)
424 _event_dispatcher->clearHandler(_window);
425 _event_dispatcher = disp;
426 _event_dispatcher->registerHandler(_window, this);
429 int OtkWidget::exposeHandler(const XExposeEvent &e)
431 OtkEventHandler::exposeHandler(e);
437 int OtkWidget::configureHandler(const XConfigureEvent &e)
439 OtkEventHandler::configureHandler(e);
440 if (_ignore_config) {
443 if (!(e.width == _rect.width() && e.height == _rect.height())) {
445 _rect.setSize(e.width, e.height);