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 OtkWidget::OtkWidget(OtkWidget *parent, Direction direction)
20 _parent(parent), _style(parent->getStyle()), _direction(direction),
21 _cursor(parent->getCursor()), _bevel_width(parent->getBevelWidth()),
23 _visible(false), _focused(false), _grabbed_mouse(false),
24 _grabbed_keyboard(false), _stretchable_vert(false),
25 _stretchable_horz(false), _texture(0), _bg_pixmap(0), _bg_pixel(0),
26 _screen(parent->getScreen()), _fixed_width(false), _fixed_height(false),
27 _event_dispatcher(parent->getEventDispatcher()), _application(0)
30 parent->addChild(this);
32 _event_dispatcher->registerHandler(_window, this);
35 OtkWidget::OtkWidget(OtkEventDispatcher *event_dispatcher, Style *style,
36 Direction direction, Cursor cursor, int bevel_width)
39 _parent(0), _style(style), _direction(direction), _cursor(cursor),
40 _bevel_width(bevel_width), _ignore_config(0), _visible(false),
41 _focused(false), _grabbed_mouse(false), _grabbed_keyboard(false),
42 _stretchable_vert(false), _stretchable_horz(false), _texture(0),
43 _bg_pixmap(0), _bg_pixel(0), _screen(style->getScreen()),
44 _fixed_width(false), _fixed_height(false),
45 _event_dispatcher(event_dispatcher), _application(0)
47 assert(event_dispatcher);
50 _event_dispatcher->registerHandler(_window, this);
53 OtkWidget::~OtkWidget()
58 std::for_each(_children.begin(), _children.end(), PointerAssassin());
61 _parent->removeChild(this);
63 XDestroyWindow(otk::OBDisplay::display, _window);
66 void OtkWidget::create(void)
68 const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
69 Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
71 _rect.setRect(0, 0, 1, 1); // just some initial values
73 XSetWindowAttributes attrib_create;
74 unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
76 attrib_create.background_pixmap = None;
77 attrib_create.colormap = scr_info->getColormap();
78 attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
79 ButtonMotionMask | ExposureMask | StructureNotifyMask;
82 create_mask |= CWCursor;
83 attrib_create.cursor = _cursor;
86 _window = XCreateWindow(otk::OBDisplay::display, p_window, _rect.x(),
87 _rect.y(), _rect.width(), _rect.height(), 0,
88 scr_info->getDepth(), InputOutput,
89 scr_info->getVisual(), create_mask, &attrib_create);
93 void OtkWidget::setWidth(int w)
97 setGeometry(_rect.x(), _rect.y(), w, _rect.height());
100 void OtkWidget::setHeight(int h)
103 _fixed_height = true;
104 setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
107 void OtkWidget::move(const Point &to)
109 move(to.x(), to.y());
112 void OtkWidget::move(int x, int y)
115 XMoveWindow(otk::OBDisplay::display, _window, x, y);
119 void OtkWidget::resize(const Point &to)
121 resize(to.x(), to.y());
124 void OtkWidget::resize(int w, int h)
126 assert(w > 0 && h > 0);
127 _fixed_width = _fixed_height = true;
128 setGeometry(_rect.x(), _rect.y(), w, h);
131 void OtkWidget::setGeometry(const Rect &new_geom)
133 setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
136 void OtkWidget::setGeometry(const Point &topleft, int width, int height)
138 setGeometry(topleft.x(), topleft.y(), width, height);
141 void OtkWidget::setGeometry(int x, int y, int width, int height)
143 _rect = Rect(x, y, width, height);
146 XMoveResizeWindow(otk::OBDisplay::display, _window, x, y, width, height);
150 void OtkWidget::show(bool recursive)
155 // make sure the internal state isn't mangled
160 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
161 for (; it != end; ++it)
165 XMapWindow(otk::OBDisplay::display, _window);
169 void OtkWidget::hide(bool recursive)
175 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
176 for (; it != end; ++it)
180 XUnmapWindow(otk::OBDisplay::display, _window);
184 void OtkWidget::focus(void)
189 XSetInputFocus(otk::OBDisplay::display, _window, RevertToPointerRoot,
193 bool OtkWidget::grabMouse(void)
195 Status ret = XGrabPointer(otk::OBDisplay::display, _window, True,
196 (ButtonPressMask | ButtonReleaseMask |
197 ButtonMotionMask | EnterWindowMask |
198 LeaveWindowMask | PointerMotionMask),
199 GrabModeSync, GrabModeAsync, None, None,
201 _grabbed_mouse = (ret == GrabSuccess);
202 return _grabbed_mouse;
205 void OtkWidget::ungrabMouse(void)
207 if (! _grabbed_mouse)
210 XUngrabPointer(otk::OBDisplay::display, CurrentTime);
211 _grabbed_mouse = false;
214 bool OtkWidget::grabKeyboard(void)
216 Status ret = XGrabKeyboard(otk::OBDisplay::display, _window, True,
217 GrabModeSync, GrabModeAsync, CurrentTime);
218 _grabbed_keyboard = (ret == GrabSuccess);
219 return _grabbed_keyboard;
223 void OtkWidget::ungrabKeyboard(void)
225 if (! _grabbed_keyboard)
228 XUngrabKeyboard(otk::OBDisplay::display, CurrentTime);
229 _grabbed_keyboard = false;
232 void OtkWidget::render(void)
234 if (!_texture) return;
236 _bg_pixmap = _texture->render(_rect.width(), _rect.height(), _bg_pixmap);
239 XSetWindowBackgroundPixmap(otk::OBDisplay::display, _window, _bg_pixmap);
241 unsigned int pix = _texture->color().pixel();
242 if (pix != _bg_pixel) {
244 XSetWindowBackground(otk::OBDisplay::display, _window, pix);
249 void OtkWidget::adjust(void)
251 if (_direction == Horizontal)
257 void OtkWidget::adjustHorz(void)
259 if (_children.size() == 0)
263 OtkWidgetList::iterator it, end = _children.end();
266 int width = _bevel_width;
267 OtkWidgetList stretchable;
269 for (it = _children.begin(); it != end; ++it) {
271 if (tmp->isStretchableVert())
272 tmp->setHeight(_rect.height() > _bevel_width * 2 ?
273 _rect.height() - _bevel_width * 2 : _bevel_width);
274 if (tmp->isStretchableHorz())
275 stretchable.push_back(tmp);
277 width += tmp->_rect.width() + _bevel_width;
279 if (tmp->_rect.height() > tallest)
280 tallest = tmp->_rect.height();
283 if (stretchable.size() > 0) {
284 OtkWidgetList::iterator str_it = stretchable.begin(),
285 str_end = stretchable.end();
287 int str_width = _rect.width() - width / stretchable.size();
289 for (; str_it != str_end; ++str_it)
290 (*str_it)->setWidth(str_width > _bevel_width ? str_width - _bevel_width
294 OtkWidget *prev_widget = 0;
296 for (it = _children.begin(); it != end; ++it) {
301 x = prev_widget->_rect.x() + prev_widget->_rect.width() + _bevel_width;
303 x = _rect.x() + _bevel_width;
304 y = (tallest - tmp->_rect.height()) / 2 + _bevel_width;
311 internalResize(width, tallest + _bevel_width * 2);
314 void OtkWidget::adjustVert(void)
316 if (_children.size() == 0)
320 OtkWidgetList::iterator it, end = _children.end();
323 int height = _bevel_width;
324 OtkWidgetList stretchable;
326 for (it = _children.begin(); it != end; ++it) {
328 if (tmp->isStretchableHorz())
329 tmp->setWidth(_rect.width() > _bevel_width * 2 ?
330 _rect.width() - _bevel_width * 2 : _bevel_width);
331 if (tmp->isStretchableVert())
332 stretchable.push_back(tmp);
334 height += tmp->_rect.height() + _bevel_width;
336 if (tmp->_rect.width() > widest)
337 widest = tmp->_rect.width();
340 if (stretchable.size() > 0) {
341 OtkWidgetList::iterator str_it = stretchable.begin(),
342 str_end = stretchable.end();
344 int str_height = _rect.height() - height / stretchable.size();
346 for (; str_it != str_end; ++str_it)
347 (*str_it)->setHeight(str_height > _bevel_width ?
348 str_height - _bevel_width : _bevel_width);
351 OtkWidget *prev_widget = 0;
353 for (it = _children.begin(); it != end; ++it) {
358 y = prev_widget->_rect.y() + prev_widget->_rect.height() + _bevel_width;
360 y = _rect.y() + _bevel_width;
361 x = (widest - tmp->_rect.width()) / 2 + _bevel_width;
368 internalResize(widest + _bevel_width * 2, height);
371 void OtkWidget::update(void)
376 XClearWindow(OBDisplay::display, _window);
379 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
380 for (; it != end; ++it)
386 void OtkWidget::internalResize(int w, int h)
388 assert(w > 0 && h > 0);
390 if (! _fixed_width && ! _fixed_height)
392 else if (! _fixed_width)
393 resize(w, _rect.height());
394 else if (! _fixed_height)
395 resize(_rect.width(), h);
398 void OtkWidget::addChild(OtkWidget *child, bool front)
402 _children.push_front(child);
404 _children.push_back(child);
407 void OtkWidget::removeChild(OtkWidget *child)
410 OtkWidgetList::iterator it, end = _children.end();
411 for (it = _children.begin(); it != end; ++it) {
416 if (it != _children.end())
420 void OtkWidget::setEventDispatcher(OtkEventDispatcher *disp)
422 if (_event_dispatcher)
423 _event_dispatcher->clearHandler(_window);
424 _event_dispatcher = disp;
425 _event_dispatcher->registerHandler(_window, this);
428 void OtkWidget::exposeHandler(const XExposeEvent &e)
430 OtkEventHandler::exposeHandler(e);
435 void OtkWidget::configureHandler(const XConfigureEvent &e)
437 OtkEventHandler::configureHandler(e);
438 if (_ignore_config) {
441 if (!(e.width == _rect.width() && e.height == _rect.height())) {
443 _rect.setSize(e.width, e.height);