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)
19 _dirty(false), _focused(false),
20 _parent(parent), _style(parent->getStyle()), _direction(direction),
21 _cursor(parent->getCursor()), _bevel_width(parent->getBevelWidth()),
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->getScreen()), _fixed_width(false),
27 _fixed_height(false), _event_dispatcher(parent->getEventDispatcher())
30 parent->addChild(this);
32 _event_dispatcher->registerHandler(_window, this);
33 setStyle(_style); // let the widget initialize stuff
36 OtkWidget::OtkWidget(OtkEventDispatcher *event_dispatcher, Style *style,
37 Direction direction, Cursor cursor, int bevel_width)
39 _dirty(false),_focused(false),
40 _parent(0), _style(style), _direction(direction), _cursor(cursor),
41 _bevel_width(bevel_width), _ignore_config(0), _visible(false),
42 _grabbed_mouse(false), _grabbed_keyboard(false),
43 _stretchable_vert(false), _stretchable_horz(false), _texture(0),
44 _bg_pixmap(0), _bg_pixel(0), _bcolor(0), _bwidth(0),
45 _screen(style->getScreen()), _fixed_width(false), _fixed_height(false),
46 _event_dispatcher(event_dispatcher)
48 assert(event_dispatcher);
51 _event_dispatcher->registerHandler(_window, this);
52 setStyle(_style); // let the widget initialize stuff
55 OtkWidget::~OtkWidget()
60 _event_dispatcher->clearHandler(_window);
62 std::for_each(_children.begin(), _children.end(), PointerAssassin());
65 _parent->removeChild(this);
67 XDestroyWindow(otk::OBDisplay::display, _window);
70 void OtkWidget::create(void)
72 const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
73 Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
75 _rect.setRect(0, 0, 1, 1); // just some initial values
77 XSetWindowAttributes attrib_create;
78 unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
80 attrib_create.background_pixmap = None;
81 attrib_create.colormap = scr_info->getColormap();
82 attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
83 ButtonMotionMask | ExposureMask | StructureNotifyMask;
86 create_mask |= CWCursor;
87 attrib_create.cursor = _cursor;
90 _window = XCreateWindow(otk::OBDisplay::display, p_window, _rect.x(),
91 _rect.y(), _rect.width(), _rect.height(), 0,
92 scr_info->getDepth(), InputOutput,
93 scr_info->getVisual(), create_mask, &attrib_create);
97 void OtkWidget::setWidth(int w)
101 setGeometry(_rect.x(), _rect.y(), w, _rect.height());
104 void OtkWidget::setHeight(int h)
107 _fixed_height = true;
108 setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
111 void OtkWidget::move(const Point &to)
113 move(to.x(), to.y());
116 void OtkWidget::move(int x, int y)
119 XMoveWindow(otk::OBDisplay::display, _window, x, y);
123 void OtkWidget::resize(const Point &to)
125 resize(to.x(), to.y());
128 void OtkWidget::resize(int w, int h)
130 assert(w > 0 && h > 0);
131 _fixed_width = _fixed_height = true;
132 setGeometry(_rect.x(), _rect.y(), w, h);
135 void OtkWidget::setGeometry(const Rect &new_geom)
137 setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
140 void OtkWidget::setGeometry(const Point &topleft, int width, int height)
142 setGeometry(topleft.x(), topleft.y(), width, height);
145 void OtkWidget::setGeometry(int x, int y, int width, int height)
147 _rect = Rect(x, y, width, height);
150 XMoveResizeWindow(otk::OBDisplay::display, _window, x, y, width, height);
154 void OtkWidget::show(bool recursive)
159 // make sure the internal state isn't mangled
164 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
165 for (; it != end; ++it)
169 XMapWindow(otk::OBDisplay::display, _window);
173 void OtkWidget::hide(bool recursive)
179 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
180 for (; it != end; ++it)
184 XUnmapWindow(otk::OBDisplay::display, _window);
188 void OtkWidget::focus(void)
193 XSetInputFocus(otk::OBDisplay::display, _window, RevertToPointerRoot,
198 OtkWidget::OtkWidgetList::iterator it = _children.begin(),
199 end = _children.end();
200 for (; it != end; ++it)
204 void OtkWidget::unfocus(void)
208 OtkWidget::OtkWidgetList::iterator it = _children.begin(),
209 end = _children.end();
210 for (; it != end; ++it)
214 bool OtkWidget::grabMouse(void)
216 Status ret = XGrabPointer(otk::OBDisplay::display, _window, True,
217 (ButtonPressMask | ButtonReleaseMask |
218 ButtonMotionMask | EnterWindowMask |
219 LeaveWindowMask | PointerMotionMask),
220 GrabModeSync, GrabModeAsync, None, None,
222 _grabbed_mouse = (ret == GrabSuccess);
223 return _grabbed_mouse;
226 void OtkWidget::ungrabMouse(void)
228 if (! _grabbed_mouse)
231 XUngrabPointer(otk::OBDisplay::display, CurrentTime);
232 _grabbed_mouse = false;
235 bool OtkWidget::grabKeyboard(void)
237 Status ret = XGrabKeyboard(otk::OBDisplay::display, _window, True,
238 GrabModeSync, GrabModeAsync, CurrentTime);
239 _grabbed_keyboard = (ret == GrabSuccess);
240 return _grabbed_keyboard;
244 void OtkWidget::ungrabKeyboard(void)
246 if (! _grabbed_keyboard)
249 XUngrabKeyboard(otk::OBDisplay::display, CurrentTime);
250 _grabbed_keyboard = false;
253 void OtkWidget::render(void)
255 if (!_texture) return;
257 _bg_pixmap = _texture->render(_rect.width(), _rect.height(), _bg_pixmap);
260 XSetWindowBackgroundPixmap(otk::OBDisplay::display, _window, _bg_pixmap);
262 unsigned int pix = _texture->color().pixel();
263 if (pix != _bg_pixel) {
265 XSetWindowBackground(otk::OBDisplay::display, _window, pix);
270 void OtkWidget::adjust(void)
272 if (_direction == Horizontal)
278 void OtkWidget::adjustHorz(void)
280 if (_children.size() == 0)
284 OtkWidgetList::iterator it, end = _children.end();
287 int width = _bevel_width;
288 OtkWidgetList stretchable;
290 for (it = _children.begin(); it != end; ++it) {
292 if (tmp->isStretchableVert())
293 tmp->setHeight(_rect.height() > _bevel_width * 2 ?
294 _rect.height() - _bevel_width * 2 : _bevel_width);
295 if (tmp->isStretchableHorz())
296 stretchable.push_back(tmp);
298 width += tmp->_rect.width() + _bevel_width;
300 if (tmp->_rect.height() > tallest)
301 tallest = tmp->_rect.height();
304 if (stretchable.size() > 0) {
305 OtkWidgetList::iterator str_it = stretchable.begin(),
306 str_end = stretchable.end();
308 int str_width = _rect.width() - width / stretchable.size();
310 for (; str_it != str_end; ++str_it)
311 (*str_it)->setWidth(str_width > _bevel_width ? str_width - _bevel_width
315 OtkWidget *prev_widget = 0;
317 for (it = _children.begin(); it != end; ++it) {
322 x = prev_widget->_rect.x() + prev_widget->_rect.width() + _bevel_width;
324 x = _rect.x() + _bevel_width;
325 y = (tallest - tmp->_rect.height()) / 2 + _bevel_width;
332 internalResize(width, tallest + _bevel_width * 2);
335 void OtkWidget::adjustVert(void)
337 if (_children.size() == 0)
341 OtkWidgetList::iterator it, end = _children.end();
344 int height = _bevel_width;
345 OtkWidgetList stretchable;
347 for (it = _children.begin(); it != end; ++it) {
349 if (tmp->isStretchableHorz())
350 tmp->setWidth(_rect.width() > _bevel_width * 2 ?
351 _rect.width() - _bevel_width * 2 : _bevel_width);
352 if (tmp->isStretchableVert())
353 stretchable.push_back(tmp);
355 height += tmp->_rect.height() + _bevel_width;
357 if (tmp->_rect.width() > widest)
358 widest = tmp->_rect.width();
361 if (stretchable.size() > 0) {
362 OtkWidgetList::iterator str_it = stretchable.begin(),
363 str_end = stretchable.end();
365 int str_height = _rect.height() - height / stretchable.size();
367 for (; str_it != str_end; ++str_it)
368 (*str_it)->setHeight(str_height > _bevel_width ?
369 str_height - _bevel_width : _bevel_width);
372 OtkWidget *prev_widget = 0;
374 for (it = _children.begin(); it != end; ++it) {
379 y = prev_widget->_rect.y() + prev_widget->_rect.height() + _bevel_width;
381 y = _rect.y() + _bevel_width;
382 x = (widest - tmp->_rect.width()) / 2 + _bevel_width;
389 internalResize(widest + _bevel_width * 2, height);
392 void OtkWidget::update(void)
398 XClearWindow(OBDisplay::display, _window);
401 OtkWidgetList::iterator it = _children.begin(), end = _children.end();
402 for (; it != end; ++it)
408 void OtkWidget::internalResize(int w, int h)
410 assert(w > 0 && h > 0);
412 if (! _fixed_width && ! _fixed_height)
414 else if (! _fixed_width)
415 resize(w, _rect.height());
416 else if (! _fixed_height)
417 resize(_rect.width(), h);
420 void OtkWidget::addChild(OtkWidget *child, bool front)
424 _children.push_front(child);
426 _children.push_back(child);
429 void OtkWidget::removeChild(OtkWidget *child)
432 OtkWidgetList::iterator it, end = _children.end();
433 for (it = _children.begin(); it != end; ++it) {
438 if (it != _children.end())
442 void OtkWidget::setStyle(Style *style)
448 // reset textures/colors
457 OtkWidgetList::iterator it, end = _children.end();
458 for (it = _children.begin(); it != end; ++it)
459 (*it)->setStyle(style);
463 void OtkWidget::setEventDispatcher(OtkEventDispatcher *disp)
465 if (_event_dispatcher)
466 _event_dispatcher->clearHandler(_window);
467 _event_dispatcher = disp;
468 _event_dispatcher->registerHandler(_window, this);
471 void OtkWidget::exposeHandler(const XExposeEvent &e)
473 OtkEventHandler::exposeHandler(e);
478 void OtkWidget::configureHandler(const XConfigureEvent &e)
480 OtkEventHandler::configureHandler(e);
481 if (_ignore_config) {
484 if (!(e.width == _rect.width() && e.height == _rect.height())) {
486 _rect.setSize(e.width, e.height);