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 _event_dispatcher->clearHandler(_window);
60 std::for_each(_children.begin(), _children.end(), PointerAssassin());
63 _parent->removeChild(this);
65 XDestroyWindow(otk::OBDisplay::display, _window);
68 void OtkWidget::create(void)
70 const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
71 Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
73 _rect.setRect(0, 0, 1, 1); // just some initial values
75 XSetWindowAttributes attrib_create;
76 unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
78 attrib_create.background_pixmap = None;
79 attrib_create.colormap = scr_info->getColormap();
80 attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
81 ButtonMotionMask | ExposureMask | StructureNotifyMask;
84 create_mask |= CWCursor;
85 attrib_create.cursor = _cursor;
88 _window = XCreateWindow(otk::OBDisplay::display, p_window, _rect.x(),
89 _rect.y(), _rect.width(), _rect.height(), 0,
90 scr_info->getDepth(), InputOutput,
91 scr_info->getVisual(), create_mask, &attrib_create);
95 void OtkWidget::setWidth(int w)
99 setGeometry(_rect.x(), _rect.y(), w, _rect.height());
102 void OtkWidget::setHeight(int h)
105 _fixed_height = true;
106 setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
109 void OtkWidget::move(const Point &to)
111 move(to.x(), to.y());
114 void OtkWidget::move(int x, int y)
117 XMoveWindow(otk::OBDisplay::display, _window, x, y);
121 void OtkWidget::resize(const Point &to)
123 resize(to.x(), to.y());
126 void OtkWidget::resize(int w, int h)
128 assert(w > 0 && h > 0);
129 _fixed_width = _fixed_height = true;
130 setGeometry(_rect.x(), _rect.y(), w, h);
133 void OtkWidget::setGeometry(const Rect &new_geom)
135 setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
138 void OtkWidget::setGeometry(const Point &topleft, int width, int height)
140 setGeometry(topleft.x(), topleft.y(), width, height);
143 void OtkWidget::setGeometry(int x, int y, int width, int height)
145 _rect = Rect(x, y, width, height);
148 XMoveResizeWindow(otk::OBDisplay::display, _window, x, y, width, height);
152 void OtkWidget::show(bool recursive)
157 // make sure the internal state isn't mangled
162 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
163 for (; it != end; ++it)
167 XMapWindow(otk::OBDisplay::display, _window);
171 void OtkWidget::hide(bool recursive)
177 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
178 for (; it != end; ++it)
182 XUnmapWindow(otk::OBDisplay::display, _window);
186 void OtkWidget::focus(void)
191 XSetInputFocus(otk::OBDisplay::display, _window, RevertToPointerRoot,
195 bool OtkWidget::grabMouse(void)
197 Status ret = XGrabPointer(otk::OBDisplay::display, _window, True,
198 (ButtonPressMask | ButtonReleaseMask |
199 ButtonMotionMask | EnterWindowMask |
200 LeaveWindowMask | PointerMotionMask),
201 GrabModeSync, GrabModeAsync, None, None,
203 _grabbed_mouse = (ret == GrabSuccess);
204 return _grabbed_mouse;
207 void OtkWidget::ungrabMouse(void)
209 if (! _grabbed_mouse)
212 XUngrabPointer(otk::OBDisplay::display, CurrentTime);
213 _grabbed_mouse = false;
216 bool OtkWidget::grabKeyboard(void)
218 Status ret = XGrabKeyboard(otk::OBDisplay::display, _window, True,
219 GrabModeSync, GrabModeAsync, CurrentTime);
220 _grabbed_keyboard = (ret == GrabSuccess);
221 return _grabbed_keyboard;
225 void OtkWidget::ungrabKeyboard(void)
227 if (! _grabbed_keyboard)
230 XUngrabKeyboard(otk::OBDisplay::display, CurrentTime);
231 _grabbed_keyboard = false;
234 void OtkWidget::render(void)
236 if (!_texture) return;
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)
379 XClearWindow(OBDisplay::display, _window);
382 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
383 for (; it != end; ++it)
389 void OtkWidget::internalResize(int w, int h)
391 assert(w > 0 && h > 0);
393 if (! _fixed_width && ! _fixed_height)
395 else if (! _fixed_width)
396 resize(w, _rect.height());
397 else if (! _fixed_height)
398 resize(_rect.width(), h);
401 void OtkWidget::addChild(OtkWidget *child, bool front)
405 _children.push_front(child);
407 _children.push_back(child);
410 void OtkWidget::removeChild(OtkWidget *child)
413 OtkWidgetList::iterator it, end = _children.end();
414 for (it = _children.begin(); it != end; ++it) {
419 if (it != _children.end())
423 void OtkWidget::setStyle(Style *style)
428 OtkWidgetList::iterator it, end = _children.end();
429 for (it = _children.begin(); it != end; ++it)
430 (*it)->setStyle(style);
434 void OtkWidget::setEventDispatcher(OtkEventDispatcher *disp)
436 if (_event_dispatcher)
437 _event_dispatcher->clearHandler(_window);
438 _event_dispatcher = disp;
439 _event_dispatcher->registerHandler(_window, this);
442 void OtkWidget::exposeHandler(const XExposeEvent &e)
444 OtkEventHandler::exposeHandler(e);
449 void OtkWidget::configureHandler(const XConfigureEvent &e)
451 OtkEventHandler::configureHandler(e);
452 if (_ignore_config) {
455 if (!(e.width == _rect.width() && e.height == _rect.height())) {
457 _rect.setSize(e.width, e.height);