1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
4 # include "../config.h"
5 #endif // HAVE_CONFIG_H
10 #include "screeninfo.hh"
11 #include "focuslabel.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), _rect(0, 0, 1, 1), _screen(parent->screen()),
27 _fixed_width(false), _fixed_height(false),
29 _event_dispatcher(parent->eventDispatcher())
32 parent->addChild(this);
34 _event_dispatcher->registerHandler(_window, this);
37 Widget::Widget(EventDispatcher *event_dispatcher, RenderStyle *style,
38 Direction direction, Cursor cursor, int bevel_width,
39 bool override_redirect)
41 _dirty(false),_focused(false),
42 _parent(0), _style(style), _direction(direction), _cursor(cursor),
43 _bevel_width(bevel_width), _ignore_config(0), _visible(false),
44 _grabbed_mouse(false), _grabbed_keyboard(false),
45 _stretchable_vert(false), _stretchable_horz(false), _texture(0),
46 _bg_pixmap(0), _bg_pixel(0), _bcolor(0), _bwidth(0), _rect(0, 0, 1, 1),
47 _screen(style->screen()), _fixed_width(false), _fixed_height(false),
49 _event_dispatcher(event_dispatcher)
51 assert(event_dispatcher);
53 create(override_redirect);
54 _event_dispatcher->registerHandler(_window, this);
65 _event_dispatcher->clearHandler(_window);
67 std::for_each(_children.begin(), _children.end(), PointerAssassin());
70 _parent->removeChild(this);
72 XDestroyWindow(**display, _window);
75 void Widget::create(bool override_redirect)
77 const ScreenInfo *scr_info = display->screenInfo(_screen);
78 Window p_window = _parent ? _parent->window() : scr_info->rootWindow();
80 _rect.setRect(0, 0, 1, 1); // just some initial values
82 XSetWindowAttributes attrib_create;
83 unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
85 attrib_create.background_pixmap = None;
86 attrib_create.colormap = scr_info->colormap();
87 attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
88 ButtonMotionMask | ExposureMask | StructureNotifyMask;
90 if (override_redirect) {
91 create_mask |= CWOverrideRedirect;
92 attrib_create.override_redirect = true;
96 create_mask |= CWCursor;
97 attrib_create.cursor = _cursor;
100 _window = XCreateWindow(**display, p_window, _rect.x(),
101 _rect.y(), _rect.width(), _rect.height(), 0,
102 scr_info->depth(), InputOutput,
103 scr_info->visual(), create_mask, &attrib_create);
107 void Widget::setWidth(int w)
111 setGeometry(_rect.x(), _rect.y(), w, _rect.height());
114 void Widget::setHeight(int h)
117 _fixed_height = true;
118 setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
121 void Widget::move(const Point &to)
123 move(to.x(), to.y());
126 void Widget::move(int x, int y)
129 XMoveWindow(**display, _window, x, y);
133 void Widget::resize(const Point &to)
135 resize(to.x(), to.y());
138 void Widget::resize(int w, int h)
140 assert(w > 0 && h > 0);
141 _fixed_width = _fixed_height = true;
142 setGeometry(_rect.x(), _rect.y(), w, h);
145 void Widget::setGeometry(const Rect &new_geom)
147 setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
150 void Widget::setGeometry(const Point &topleft, int width, int height)
152 setGeometry(topleft.x(), topleft.y(), width, height);
155 void Widget::setGeometry(int x, int y, int width, int height)
157 _rect = Rect(x, y, width, height);
160 // make all parents dirty too
167 // don't use an XMoveResizeWindow here, because it doesn't seem to move
168 // windows with StaticGravity? This works, that didn't.
169 XResizeWindow(**display, _window, width, height);
170 XMoveWindow(**display, _window, x, y);
174 void Widget::show(bool recursive)
179 // make sure the internal state isn't mangled
184 WidgetList::iterator it = _children.begin(), end = _children.end();
185 for (; it != end; ++it)
186 (*it)->show(recursive);
189 XMapWindow(**display, _window);
193 void Widget::hide(bool recursive)
199 WidgetList::iterator it = _children.begin(), end = _children.end();
200 for (; it != end; ++it)
204 XUnmapWindow(**display, _window);
208 void Widget::focus(void)
212 Widget::WidgetList::iterator it = _children.begin(),
213 end = _children.end();
214 for (; it != end; ++it)
218 void Widget::unfocus(void)
222 Widget::WidgetList::iterator it = _children.begin(),
223 end = _children.end();
224 for (; it != end; ++it)
228 bool Widget::grabMouse(void)
230 Status ret = XGrabPointer(**display, _window, True,
231 (ButtonPressMask | ButtonReleaseMask |
232 ButtonMotionMask | EnterWindowMask |
233 LeaveWindowMask | PointerMotionMask),
234 GrabModeSync, GrabModeAsync, None, None,
236 _grabbed_mouse = (ret == GrabSuccess);
237 return _grabbed_mouse;
240 void Widget::ungrabMouse(void)
242 if (! _grabbed_mouse)
245 XUngrabPointer(**display, CurrentTime);
246 _grabbed_mouse = false;
249 bool Widget::grabKeyboard(void)
251 Status ret = XGrabKeyboard(**display, _window, True,
252 GrabModeSync, GrabModeAsync, CurrentTime);
253 _grabbed_keyboard = (ret == GrabSuccess);
254 return _grabbed_keyboard;
258 void Widget::ungrabKeyboard(void)
260 if (! _grabbed_keyboard)
263 XUngrabKeyboard(**display, CurrentTime);
264 _grabbed_keyboard = false;
267 void Widget::render(void)
269 if (!_texture) return;
271 Surface *s = _surface; // save the current surface
273 _surface = new Surface(_screen, _rect.size());
274 display->renderControl(_screen)->drawBackground(*_surface, *_texture);
276 renderForeground(); // for inherited types to render onto the _surface
278 XSetWindowBackgroundPixmap(**display, _window, _surface->pixmap());
281 delete s; // delete the old surface *after* its pixmap isn't in use anymore
284 void Widget::adjust(void)
286 if (_direction == Horizontal)
292 void Widget::adjustHorz(void)
294 if (_children.size() == 0)
298 WidgetList::iterator it, end = _children.end();
301 int width = _bevel_width;
302 WidgetList stretchable;
304 for (it = _children.begin(); it != end; ++it) {
306 if (tmp->isStretchableVert())
307 tmp->setHeight(_rect.height() > _bevel_width * 2 ?
308 _rect.height() - _bevel_width * 2 : _bevel_width);
309 if (tmp->isStretchableHorz())
310 stretchable.push_back(tmp);
312 width += tmp->_rect.width() + _bevel_width;
314 if (tmp->_rect.height() > tallest)
315 tallest = tmp->_rect.height();
318 if (stretchable.size() > 0) {
319 WidgetList::iterator str_it = stretchable.begin(),
320 str_end = stretchable.end();
322 int str_width = _rect.width() - width / stretchable.size();
324 for (; str_it != str_end; ++str_it)
325 (*str_it)->setWidth(str_width > _bevel_width ? str_width - _bevel_width
329 Widget *prev_widget = 0;
331 for (it = _children.begin(); it != end; ++it) {
336 x = prev_widget->_rect.x() + prev_widget->_rect.width() + _bevel_width;
339 y = (tallest - tmp->_rect.height()) / 2 + _bevel_width;
345 internalResize(width, tallest + _bevel_width * 2);
348 void Widget::adjustVert(void)
350 if (_children.size() == 0)
354 WidgetList::iterator it, end = _children.end();
357 int height = _bevel_width;
358 WidgetList stretchable;
360 for (it = _children.begin(); it != end; ++it) {
362 if (tmp->isStretchableHorz())
363 tmp->setWidth(_rect.width() > _bevel_width * 2 ?
364 _rect.width() - _bevel_width * 2 : _bevel_width);
365 if (tmp->isStretchableVert())
366 stretchable.push_back(tmp);
368 height += tmp->_rect.height() + _bevel_width;
370 if (tmp->_rect.width() > widest)
371 widest = tmp->_rect.width();
374 if (stretchable.size() > 0) {
375 WidgetList::iterator str_it = stretchable.begin(),
376 str_end = stretchable.end();
378 int str_height = _rect.height() - height / stretchable.size();
380 for (; str_it != str_end; ++str_it)
381 (*str_it)->setHeight(str_height > _bevel_width ?
382 str_height - _bevel_width : _bevel_width);
385 Widget *prev_widget = 0;
387 for (it = _children.begin(); it != end; ++it) {
392 y = prev_widget->_rect.y() + prev_widget->_rect.height() + _bevel_width;
395 x = (widest - tmp->_rect.width()) / 2 + _bevel_width;
402 internalResize(widest + _bevel_width * 2, height);
405 void Widget::update()
410 XClearWindow(**display, _window);
413 WidgetList::iterator it = _children.begin(), end = _children.end();
414 for (; it != end; ++it)
420 void Widget::internalResize(int w, int h)
422 assert(w > 0 && h > 0);
424 bool fw = _fixed_width, fh = _fixed_height;
429 resize(w, _rect.height());
431 resize(_rect.width(), h);
437 void Widget::addChild(Widget *child, bool front)
441 _children.push_front(child);
443 _children.push_back(child);
446 void Widget::removeChild(Widget *child)
449 WidgetList::iterator it, end = _children.end();
450 for (it = _children.begin(); it != end; ++it) {
455 if (it != _children.end())
459 void Widget::setStyle(RenderStyle *style)
465 WidgetList::iterator it, end = _children.end();
466 for (it = _children.begin(); it != end; ++it)
467 (*it)->setStyle(style);
471 void Widget::setEventDispatcher(EventDispatcher *disp)
473 if (_event_dispatcher)
474 _event_dispatcher->clearHandler(_window);
475 _event_dispatcher = disp;
476 _event_dispatcher->registerHandler(_window, this);
479 void Widget::exposeHandler(const XExposeEvent &e)
481 EventHandler::exposeHandler(e);
482 // XClearArea(**display, _window, e.x, e.y, e.width, e.height, false);
485 void Widget::configureHandler(const XConfigureEvent &e)
487 EventHandler::configureHandler(e);
489 if (_ignore_config) {
493 int height = e.height;
496 while (XCheckTypedWindowEvent(**display, _window, ConfigureNotify, &ev)) {
497 width = ev.xconfigure.width;
498 height = ev.xconfigure.height;
501 if (!(width == _rect.width() && height == _rect.height())) {
503 _rect.setSize(width, height);