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 Widget::Widget(Widget *parent, Direction direction)
19 _dirty(false), _focused(false),
20 _parent(parent), _style(parent->style()), _direction(direction),
21 _cursor(parent->cursor()), _bevel_width(parent->bevelWidth()),
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->screen()), _fixed_width(false),
27 _fixed_height(false), _event_dispatcher(parent->eventDispatcher())
30 parent->addChild(this);
32 _event_dispatcher->registerHandler(_window, this);
33 setStyle(_style); // let the widget initialize stuff
36 Widget::Widget(EventDispatcher *event_dispatcher, Style *style,
37 Direction direction, Cursor cursor, int bevel_width,
38 bool override_redirect)
40 _dirty(false),_focused(false),
41 _parent(0), _style(style), _direction(direction), _cursor(cursor),
42 _bevel_width(bevel_width), _ignore_config(0), _visible(false),
43 _grabbed_mouse(false), _grabbed_keyboard(false),
44 _stretchable_vert(false), _stretchable_horz(false), _texture(0),
45 _bg_pixmap(0), _bg_pixel(0), _bcolor(0), _bwidth(0),
46 _screen(style->getScreen()), _fixed_width(false), _fixed_height(false),
47 _event_dispatcher(event_dispatcher)
49 assert(event_dispatcher);
51 create(override_redirect);
52 _event_dispatcher->registerHandler(_window, this);
53 setStyle(_style); // let the widget initialize stuff
61 _event_dispatcher->clearHandler(_window);
63 std::for_each(_children.begin(), _children.end(), PointerAssassin());
66 _parent->removeChild(this);
68 XDestroyWindow(**display, _window);
71 void Widget::create(bool override_redirect)
73 const ScreenInfo *scr_info = display->screenInfo(_screen);
74 Window p_window = _parent ? _parent->window() : scr_info->rootWindow();
76 _rect.setRect(0, 0, 1, 1); // just some initial values
78 XSetWindowAttributes attrib_create;
79 unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
81 attrib_create.background_pixmap = None;
82 attrib_create.colormap = scr_info->colormap();
83 attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
84 ButtonMotionMask | ExposureMask | StructureNotifyMask;
86 if (override_redirect) {
87 create_mask |= CWOverrideRedirect;
88 attrib_create.override_redirect = true;
92 create_mask |= CWCursor;
93 attrib_create.cursor = _cursor;
96 _window = XCreateWindow(**display, p_window, _rect.x(),
97 _rect.y(), _rect.width(), _rect.height(), 0,
98 scr_info->depth(), InputOutput,
99 scr_info->visual(), create_mask, &attrib_create);
103 void Widget::setWidth(int w)
107 setGeometry(_rect.x(), _rect.y(), w, _rect.height());
110 void Widget::setHeight(int h)
113 _fixed_height = true;
114 setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
117 void Widget::move(const Point &to)
119 move(to.x(), to.y());
122 void Widget::move(int x, int y)
125 XMoveWindow(**display, _window, x, y);
129 void Widget::resize(const Point &to)
131 resize(to.x(), to.y());
134 void Widget::resize(int w, int h)
136 assert(w > 0 && h > 0);
137 _fixed_width = _fixed_height = true;
138 setGeometry(_rect.x(), _rect.y(), w, h);
141 void Widget::setGeometry(const Rect &new_geom)
143 setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
146 void Widget::setGeometry(const Point &topleft, int width, int height)
148 setGeometry(topleft.x(), topleft.y(), width, height);
151 void Widget::setGeometry(int x, int y, int width, int height)
153 _rect = Rect(x, y, width, height);
156 XResizeWindow(**display, _window, width, height);
157 XMoveWindow(**display, _window, x, y);
161 void Widget::show(bool recursive)
166 // make sure the internal state isn't mangled
171 WidgetList::iterator it = _children.begin(), end = _children.end();
172 for (; it != end; ++it)
176 XMapWindow(**display, _window);
180 void Widget::hide(bool recursive)
186 WidgetList::iterator it = _children.begin(), end = _children.end();
187 for (; it != end; ++it)
191 XUnmapWindow(**display, _window);
195 void Widget::focus(void)
199 Widget::WidgetList::iterator it = _children.begin(),
200 end = _children.end();
201 for (; it != end; ++it)
205 void Widget::unfocus(void)
209 Widget::WidgetList::iterator it = _children.begin(),
210 end = _children.end();
211 for (; it != end; ++it)
215 bool Widget::grabMouse(void)
217 Status ret = XGrabPointer(**display, _window, True,
218 (ButtonPressMask | ButtonReleaseMask |
219 ButtonMotionMask | EnterWindowMask |
220 LeaveWindowMask | PointerMotionMask),
221 GrabModeSync, GrabModeAsync, None, None,
223 _grabbed_mouse = (ret == GrabSuccess);
224 return _grabbed_mouse;
227 void Widget::ungrabMouse(void)
229 if (! _grabbed_mouse)
232 XUngrabPointer(**display, CurrentTime);
233 _grabbed_mouse = false;
236 bool Widget::grabKeyboard(void)
238 Status ret = XGrabKeyboard(**display, _window, True,
239 GrabModeSync, GrabModeAsync, CurrentTime);
240 _grabbed_keyboard = (ret == GrabSuccess);
241 return _grabbed_keyboard;
245 void Widget::ungrabKeyboard(void)
247 if (! _grabbed_keyboard)
250 XUngrabKeyboard(**display, CurrentTime);
251 _grabbed_keyboard = false;
254 void Widget::render(void)
256 if (!_texture) return;
258 _bg_pixmap = _texture->render(_rect.width(), _rect.height(), _bg_pixmap);
261 XSetWindowBackgroundPixmap(**display, _window, _bg_pixmap);
264 unsigned int pix = _texture->color().pixel();
265 if (pix != _bg_pixel) {
267 XSetWindowBackground(**display, _window, pix);
272 void Widget::adjust(void)
274 if (_direction == Horizontal)
280 void Widget::adjustHorz(void)
282 if (_children.size() == 0)
286 WidgetList::iterator it, end = _children.end();
289 int width = _bevel_width;
290 WidgetList stretchable;
292 for (it = _children.begin(); it != end; ++it) {
294 if (tmp->isStretchableVert())
295 tmp->setHeight(_rect.height() > _bevel_width * 2 ?
296 _rect.height() - _bevel_width * 2 : _bevel_width);
297 if (tmp->isStretchableHorz())
298 stretchable.push_back(tmp);
300 width += tmp->_rect.width() + _bevel_width;
302 if (tmp->_rect.height() > tallest)
303 tallest = tmp->_rect.height();
306 if (stretchable.size() > 0) {
307 WidgetList::iterator str_it = stretchable.begin(),
308 str_end = stretchable.end();
310 int str_width = _rect.width() - width / stretchable.size();
312 for (; str_it != str_end; ++str_it)
313 (*str_it)->setWidth(str_width > _bevel_width ? str_width - _bevel_width
317 Widget *prev_widget = 0;
319 for (it = _children.begin(); it != end; ++it) {
324 x = prev_widget->_rect.x() + prev_widget->_rect.width() + _bevel_width;
326 x = _rect.x() + _bevel_width;
327 y = (tallest - tmp->_rect.height()) / 2 + _bevel_width;
334 internalResize(width, tallest + _bevel_width * 2);
337 void Widget::adjustVert(void)
339 if (_children.size() == 0)
343 WidgetList::iterator it, end = _children.end();
346 int height = _bevel_width;
347 WidgetList stretchable;
349 for (it = _children.begin(); it != end; ++it) {
351 if (tmp->isStretchableHorz())
352 tmp->setWidth(_rect.width() > _bevel_width * 2 ?
353 _rect.width() - _bevel_width * 2 : _bevel_width);
354 if (tmp->isStretchableVert())
355 stretchable.push_back(tmp);
357 height += tmp->_rect.height() + _bevel_width;
359 if (tmp->_rect.width() > widest)
360 widest = tmp->_rect.width();
363 if (stretchable.size() > 0) {
364 WidgetList::iterator str_it = stretchable.begin(),
365 str_end = stretchable.end();
367 int str_height = _rect.height() - height / stretchable.size();
369 for (; str_it != str_end; ++str_it)
370 (*str_it)->setHeight(str_height > _bevel_width ?
371 str_height - _bevel_width : _bevel_width);
374 Widget *prev_widget = 0;
376 for (it = _children.begin(); it != end; ++it) {
381 y = prev_widget->_rect.y() + prev_widget->_rect.height() + _bevel_width;
383 y = _rect.y() + _bevel_width;
384 x = (widest - tmp->_rect.width()) / 2 + _bevel_width;
391 internalResize(widest + _bevel_width * 2, height);
394 void Widget::update(void)
399 XClearWindow(**display, _window);
402 WidgetList::iterator it = _children.begin(), end = _children.end();
403 for (; it != end; ++it)
409 void Widget::internalResize(int w, int h)
411 assert(w > 0 && h > 0);
413 if (! _fixed_width && ! _fixed_height)
415 else if (! _fixed_width)
416 resize(w, _rect.height());
417 else if (! _fixed_height)
418 resize(_rect.width(), h);
421 void Widget::addChild(Widget *child, bool front)
425 _children.push_front(child);
427 _children.push_back(child);
430 void Widget::removeChild(Widget *child)
433 WidgetList::iterator it, end = _children.end();
434 for (it = _children.begin(); it != end; ++it) {
439 if (it != _children.end())
443 void Widget::setStyle(Style *style)
449 WidgetList::iterator it, end = _children.end();
450 for (it = _children.begin(); it != end; ++it)
451 (*it)->setStyle(style);
455 void Widget::setEventDispatcher(EventDispatcher *disp)
457 if (_event_dispatcher)
458 _event_dispatcher->clearHandler(_window);
459 _event_dispatcher = disp;
460 _event_dispatcher->registerHandler(_window, this);
463 void Widget::exposeHandler(const XExposeEvent &e)
465 EventHandler::exposeHandler(e);
470 void Widget::configureHandler(const XConfigureEvent &e)
472 EventHandler::configureHandler(e);
473 if (_ignore_config) {
476 if (!(e.width == _rect.width() && e.height == _rect.height())) {
478 _rect.setSize(e.width, e.height);