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),
28 _event_mask(ButtonPressMask | ButtonReleaseMask | ButtonMotionMask |
29 ExposureMask | StructureNotifyMask),
31 _event_dispatcher(parent->eventDispatcher())
34 parent->addChild(this);
36 _event_dispatcher->registerHandler(_window, this);
39 Widget::Widget(EventDispatcher *event_dispatcher, RenderStyle *style,
40 Direction direction, Cursor cursor, int bevel_width,
41 bool override_redirect)
43 _dirty(false),_focused(false),
44 _parent(0), _style(style), _direction(direction), _cursor(cursor),
45 _bevel_width(bevel_width), _ignore_config(0), _visible(false),
46 _grabbed_mouse(false), _grabbed_keyboard(false),
47 _stretchable_vert(false), _stretchable_horz(false), _texture(0),
48 _bg_pixmap(0), _bg_pixel(0), _bcolor(0), _bwidth(0), _rect(0, 0, 1, 1),
49 _screen(style->screen()), _fixed_width(false), _fixed_height(false),
50 _event_mask(ButtonPressMask | ButtonReleaseMask | ButtonMotionMask |
51 ExposureMask | StructureNotifyMask),
53 _event_dispatcher(event_dispatcher)
55 assert(event_dispatcher);
57 create(override_redirect);
58 _event_dispatcher->registerHandler(_window, this);
69 _event_dispatcher->clearHandler(_window);
71 std::for_each(_children.begin(), _children.end(), PointerAssassin());
74 _parent->removeChild(this);
76 XDestroyWindow(**display, _window);
79 void Widget::create(bool override_redirect)
81 const ScreenInfo *scr_info = display->screenInfo(_screen);
82 Window p_window = _parent ? _parent->window() : scr_info->rootWindow();
84 _rect.setRect(0, 0, 1, 1); // just some initial values
86 XSetWindowAttributes attrib_create;
87 unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
89 attrib_create.background_pixmap = None;
90 attrib_create.colormap = scr_info->colormap();
91 attrib_create.event_mask = _event_mask;
93 if (override_redirect) {
94 create_mask |= CWOverrideRedirect;
95 attrib_create.override_redirect = true;
99 create_mask |= CWCursor;
100 attrib_create.cursor = _cursor;
103 _window = XCreateWindow(**display, p_window, _rect.x(),
104 _rect.y(), _rect.width(), _rect.height(), 0,
105 scr_info->depth(), InputOutput,
106 scr_info->visual(), create_mask, &attrib_create);
110 void Widget::setEventMask(long e)
112 XSelectInput(**display, _window, e);
116 void Widget::setWidth(int w)
120 setGeometry(_rect.x(), _rect.y(), w, _rect.height());
123 void Widget::setHeight(int h)
126 _fixed_height = true;
127 setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
130 void Widget::move(const Point &to)
132 move(to.x(), to.y());
135 void Widget::move(int x, int y)
138 XMoveWindow(**display, _window, x, y);
142 void Widget::resize(const Point &to)
144 resize(to.x(), to.y());
147 void Widget::resize(int w, int h)
149 assert(w > 0 && h > 0);
150 _fixed_width = _fixed_height = true;
151 setGeometry(_rect.x(), _rect.y(), w, h);
154 void Widget::setGeometry(const Rect &new_geom)
156 setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
159 void Widget::setGeometry(const Point &topleft, int width, int height)
161 setGeometry(topleft.x(), topleft.y(), width, height);
164 void Widget::setGeometry(int x, int y, int width, int height)
166 _rect = Rect(x, y, width, height);
169 // make all parents dirty too
176 // don't use an XMoveResizeWindow here, because it doesn't seem to move
177 // windows with StaticGravity? This works, that didn't.
178 XResizeWindow(**display, _window, width, height);
179 XMoveWindow(**display, _window, x, y);
183 void Widget::show(bool recursive)
188 // make sure the internal state isn't mangled
193 WidgetList::iterator it = _children.begin(), end = _children.end();
194 for (; it != end; ++it)
195 (*it)->show(recursive);
198 XMapWindow(**display, _window);
202 void Widget::hide(bool recursive)
208 WidgetList::iterator it = _children.begin(), end = _children.end();
209 for (; it != end; ++it)
213 XUnmapWindow(**display, _window);
217 void Widget::focus(void)
221 Widget::WidgetList::iterator it = _children.begin(),
222 end = _children.end();
223 for (; it != end; ++it)
227 void Widget::unfocus(void)
231 Widget::WidgetList::iterator it = _children.begin(),
232 end = _children.end();
233 for (; it != end; ++it)
237 bool Widget::grabMouse(void)
239 Status ret = XGrabPointer(**display, _window, True,
240 (ButtonPressMask | ButtonReleaseMask |
241 ButtonMotionMask | EnterWindowMask |
242 LeaveWindowMask | PointerMotionMask),
243 GrabModeSync, GrabModeAsync, None, None,
245 _grabbed_mouse = (ret == GrabSuccess);
246 return _grabbed_mouse;
249 void Widget::ungrabMouse(void)
251 if (! _grabbed_mouse)
254 XUngrabPointer(**display, CurrentTime);
255 _grabbed_mouse = false;
258 bool Widget::grabKeyboard(void)
260 Status ret = XGrabKeyboard(**display, _window, True,
261 GrabModeSync, GrabModeAsync, CurrentTime);
262 _grabbed_keyboard = (ret == GrabSuccess);
263 return _grabbed_keyboard;
267 void Widget::ungrabKeyboard(void)
269 if (! _grabbed_keyboard)
272 XUngrabKeyboard(**display, CurrentTime);
273 _grabbed_keyboard = false;
276 void Widget::render(void)
279 XSetWindowBackgroundPixmap(**display, _window, ParentRelative);
283 Surface *s = _surface; // save the current surface
285 _surface = new Surface(_screen, _rect.size());
286 display->renderControl(_screen)->drawBackground(*_surface, *_texture);
288 renderForeground(); // for inherited types to render onto the _surface
290 XSetWindowBackgroundPixmap(**display, _window, _surface->pixmap());
293 delete s; // delete the old surface *after* its pixmap isn't in use anymore
296 void Widget::adjust(void)
298 if (_direction == Horizontal)
304 void Widget::adjustHorz(void)
306 if (_children.size() == 0)
310 WidgetList::iterator it, end = _children.end();
313 int width = _bevel_width;
314 WidgetList stretchable;
316 for (it = _children.begin(); it != end; ++it) {
318 if (tmp->isStretchableVert())
319 tmp->setHeight(_rect.height() > _bevel_width * 2 ?
320 _rect.height() - _bevel_width * 2 : _bevel_width);
321 if (tmp->isStretchableHorz())
322 stretchable.push_back(tmp);
324 width += tmp->_rect.width() + _bevel_width;
326 if (tmp->_rect.height() > tallest)
327 tallest = tmp->_rect.height();
330 if (stretchable.size() > 0) {
331 WidgetList::iterator str_it = stretchable.begin(),
332 str_end = stretchable.end();
334 int str_width = _rect.width() - width / stretchable.size();
336 for (; str_it != str_end; ++str_it)
337 (*str_it)->setWidth(str_width > _bevel_width ? str_width - _bevel_width
341 Widget *prev_widget = 0;
343 for (it = _children.begin(); it != end; ++it) {
348 x = prev_widget->_rect.x() + prev_widget->_rect.width() + _bevel_width;
351 y = (tallest - tmp->_rect.height()) / 2 + _bevel_width;
357 internalResize(width, tallest + _bevel_width * 2);
360 void Widget::adjustVert(void)
362 if (_children.size() == 0)
366 WidgetList::iterator it, end = _children.end();
369 int height = _bevel_width;
370 WidgetList stretchable;
372 for (it = _children.begin(); it != end; ++it) {
374 if (tmp->isStretchableHorz())
375 tmp->setWidth(_rect.width() > _bevel_width * 2 ?
376 _rect.width() - _bevel_width * 2 : _bevel_width);
377 if (tmp->isStretchableVert())
378 stretchable.push_back(tmp);
380 height += tmp->_rect.height() + _bevel_width;
382 if (tmp->_rect.width() > widest)
383 widest = tmp->_rect.width();
386 if (stretchable.size() > 0) {
387 WidgetList::iterator str_it = stretchable.begin(),
388 str_end = stretchable.end();
390 int str_height = _rect.height() - height / stretchable.size();
392 for (; str_it != str_end; ++str_it)
393 (*str_it)->setHeight(str_height > _bevel_width ?
394 str_height - _bevel_width : _bevel_width);
396 if (stretchable.size() > 0)
397 height = _rect.height();
399 Widget *prev_widget = 0;
401 for (it = _children.begin(); it != end; ++it) {
406 y = prev_widget->_rect.y() + prev_widget->_rect.height() + _bevel_width;
409 x = (widest - tmp->_rect.width()) / 2 + _bevel_width;
416 internalResize(widest + _bevel_width * 2, height);
419 void Widget::update()
421 WidgetList::iterator it = _children.begin(), end = _children.end();
422 for (; it != end; ++it)
428 XClearWindow(**display, _window);
434 void Widget::internalResize(int w, int h)
436 assert(w > 0 && h > 0);
438 bool fw = _fixed_width, fh = _fixed_height;
443 resize(w, _rect.height());
445 resize(_rect.width(), h);
451 void Widget::addChild(Widget *child, bool front)
455 _children.push_front(child);
457 _children.push_back(child);
460 void Widget::removeChild(Widget *child)
463 WidgetList::iterator it, end = _children.end();
464 for (it = _children.begin(); it != end; ++it) {
469 if (it != _children.end())
473 void Widget::setStyle(RenderStyle *style)
479 WidgetList::iterator it, end = _children.end();
480 for (it = _children.begin(); it != end; ++it)
481 (*it)->setStyle(style);
485 void Widget::setEventDispatcher(EventDispatcher *disp)
487 if (_event_dispatcher)
488 _event_dispatcher->clearHandler(_window);
489 _event_dispatcher = disp;
490 _event_dispatcher->registerHandler(_window, this);
493 void Widget::exposeHandler(const XExposeEvent &e)
495 EventHandler::exposeHandler(e);
496 // XClearArea(**display, _window, e.x, e.y, e.width, e.height, false);
499 void Widget::configureHandler(const XConfigureEvent &e)
501 EventHandler::configureHandler(e);
503 if (_ignore_config) {
507 int height = e.height;
510 while (XCheckTypedWindowEvent(**display, _window, ConfigureNotify, &ev)) {
511 width = ev.xconfigure.width;
512 height = ev.xconfigure.height;
515 if (!(width == _rect.width() && height == _rect.height())) {
517 _rect.setSize(width, height);