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 XMoveResizeWindow(**display, _window, x, y, width, height);
160 void Widget::show(bool recursive)
165 // make sure the internal state isn't mangled
170 WidgetList::iterator it = _children.begin(), end = _children.end();
171 for (; it != end; ++it)
175 XMapWindow(**display, _window);
179 void Widget::hide(bool recursive)
185 WidgetList::iterator it = _children.begin(), end = _children.end();
186 for (; it != end; ++it)
190 XUnmapWindow(**display, _window);
194 void Widget::focus(void)
198 Widget::WidgetList::iterator it = _children.begin(),
199 end = _children.end();
200 for (; it != end; ++it)
204 void Widget::unfocus(void)
208 Widget::WidgetList::iterator it = _children.begin(),
209 end = _children.end();
210 for (; it != end; ++it)
214 bool Widget::grabMouse(void)
216 Status ret = XGrabPointer(**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 Widget::ungrabMouse(void)
228 if (! _grabbed_mouse)
231 XUngrabPointer(**display, CurrentTime);
232 _grabbed_mouse = false;
235 bool Widget::grabKeyboard(void)
237 Status ret = XGrabKeyboard(**display, _window, True,
238 GrabModeSync, GrabModeAsync, CurrentTime);
239 _grabbed_keyboard = (ret == GrabSuccess);
240 return _grabbed_keyboard;
244 void Widget::ungrabKeyboard(void)
246 if (! _grabbed_keyboard)
249 XUngrabKeyboard(**display, CurrentTime);
250 _grabbed_keyboard = false;
253 void Widget::render(void)
255 if (!_texture) return;
257 _bg_pixmap = _texture->render(_rect.width(), _rect.height(), _bg_pixmap);
260 XSetWindowBackgroundPixmap(**display, _window, _bg_pixmap);
263 unsigned int pix = _texture->color().pixel();
264 if (pix != _bg_pixel) {
266 XSetWindowBackground(**display, _window, pix);
271 void Widget::adjust(void)
273 if (_direction == Horizontal)
279 void Widget::adjustHorz(void)
281 if (_children.size() == 0)
285 WidgetList::iterator it, end = _children.end();
288 int width = _bevel_width;
289 WidgetList stretchable;
291 for (it = _children.begin(); it != end; ++it) {
293 if (tmp->isStretchableVert())
294 tmp->setHeight(_rect.height() > _bevel_width * 2 ?
295 _rect.height() - _bevel_width * 2 : _bevel_width);
296 if (tmp->isStretchableHorz())
297 stretchable.push_back(tmp);
299 width += tmp->_rect.width() + _bevel_width;
301 if (tmp->_rect.height() > tallest)
302 tallest = tmp->_rect.height();
305 if (stretchable.size() > 0) {
306 WidgetList::iterator str_it = stretchable.begin(),
307 str_end = stretchable.end();
309 int str_width = _rect.width() - width / stretchable.size();
311 for (; str_it != str_end; ++str_it)
312 (*str_it)->setWidth(str_width > _bevel_width ? str_width - _bevel_width
316 Widget *prev_widget = 0;
318 for (it = _children.begin(); it != end; ++it) {
323 x = prev_widget->_rect.x() + prev_widget->_rect.width() + _bevel_width;
325 x = _rect.x() + _bevel_width;
326 y = (tallest - tmp->_rect.height()) / 2 + _bevel_width;
333 internalResize(width, tallest + _bevel_width * 2);
336 void Widget::adjustVert(void)
338 if (_children.size() == 0)
342 WidgetList::iterator it, end = _children.end();
345 int height = _bevel_width;
346 WidgetList stretchable;
348 for (it = _children.begin(); it != end; ++it) {
350 if (tmp->isStretchableHorz())
351 tmp->setWidth(_rect.width() > _bevel_width * 2 ?
352 _rect.width() - _bevel_width * 2 : _bevel_width);
353 if (tmp->isStretchableVert())
354 stretchable.push_back(tmp);
356 height += tmp->_rect.height() + _bevel_width;
358 if (tmp->_rect.width() > widest)
359 widest = tmp->_rect.width();
362 if (stretchable.size() > 0) {
363 WidgetList::iterator str_it = stretchable.begin(),
364 str_end = stretchable.end();
366 int str_height = _rect.height() - height / stretchable.size();
368 for (; str_it != str_end; ++str_it)
369 (*str_it)->setHeight(str_height > _bevel_width ?
370 str_height - _bevel_width : _bevel_width);
373 Widget *prev_widget = 0;
375 for (it = _children.begin(); it != end; ++it) {
380 y = prev_widget->_rect.y() + prev_widget->_rect.height() + _bevel_width;
382 y = _rect.y() + _bevel_width;
383 x = (widest - tmp->_rect.width()) / 2 + _bevel_width;
390 internalResize(widest + _bevel_width * 2, height);
393 void Widget::update(void)
398 XClearWindow(**display, _window);
401 WidgetList::iterator it = _children.begin(), end = _children.end();
402 for (; it != end; ++it)
408 void Widget::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 Widget::addChild(Widget *child, bool front)
424 _children.push_front(child);
426 _children.push_back(child);
429 void Widget::removeChild(Widget *child)
432 WidgetList::iterator it, end = _children.end();
433 for (it = _children.begin(); it != end; ++it) {
438 if (it != _children.end())
442 void Widget::setStyle(Style *style)
448 WidgetList::iterator it, end = _children.end();
449 for (it = _children.begin(); it != end; ++it)
450 (*it)->setStyle(style);
454 void Widget::setEventDispatcher(EventDispatcher *disp)
456 if (_event_dispatcher)
457 _event_dispatcher->clearHandler(_window);
458 _event_dispatcher = disp;
459 _event_dispatcher->registerHandler(_window, this);
462 void Widget::exposeHandler(const XExposeEvent &e)
464 EventHandler::exposeHandler(e);
469 void Widget::configureHandler(const XConfigureEvent &e)
471 EventHandler::configureHandler(e);
472 if (_ignore_config) {
475 if (!(e.width == _rect.width() && e.height == _rect.height())) {
477 _rect.setSize(e.width, e.height);