+// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
+
+#ifdef HAVE_CONFIG_H
+# include "../config.h"
+#endif // HAVE_CONFIG_H
+
#include "widget.hh"
#include "display.hh"
#include "assassin.hh"
#include "screeninfo.hh"
+#include "focuslabel.hh"
+#include <algorithm>
+#include <iostream>
namespace otk {
-OtkWidget::OtkWidget(OtkWidget *parent)
- : _parent(parent), _visible(false), _focused(false), _grabbed_mouse(false),
+Widget::Widget(Widget *parent, Direction direction)
+ : EventHandler(),
+ _dirty(false), _focused(false),
+ _parent(parent), _style(parent->style()), _direction(direction),
+ _cursor(parent->cursor()), _bevel_width(parent->bevelWidth()),
+ _ignore_config(0),
+ _visible(false), _grabbed_mouse(false),
_grabbed_keyboard(false), _stretchable_vert(false),
- _stretchable_horz(false), _texture(NULL), _screen(parent->getScreen()),
- _cursor(parent->getCursor())
+ _stretchable_horz(false), _texture(0), _bg_pixmap(0), _bg_pixel(0),
+ _bcolor(0), _bwidth(0), _rect(0, 0, 1, 1), _screen(parent->screen()),
+ _fixed_width(false), _fixed_height(false),
+ _event_mask(ButtonPressMask | ButtonReleaseMask | ButtonMotionMask |
+ ExposureMask | StructureNotifyMask),
+ _surface(0),
+ _event_dispatcher(parent->eventDispatcher())
{
+ assert(parent);
parent->addChild(this);
create();
+ _event_dispatcher->registerHandler(_window, this);
}
-OtkWidget::OtkWidget(unsigned int screen, Cursor cursor = 0)
- : _parent(NULL), _visible(false), _focused(false), _grabbed_mouse(false),
- _grabbed_keyboard(false), _stretchable_vert(false),
- _stretchable_horz(false), _texture(NULL), _screen(screen),
- _cursor(cursor)
+Widget::Widget(EventDispatcher *event_dispatcher, RenderStyle *style,
+ Direction direction, Cursor cursor, int bevel_width,
+ bool override_redirect)
+ : EventHandler(),
+ _dirty(false),_focused(false),
+ _parent(0), _style(style), _direction(direction), _cursor(cursor),
+ _bevel_width(bevel_width), _ignore_config(0), _visible(false),
+ _grabbed_mouse(false), _grabbed_keyboard(false),
+ _stretchable_vert(false), _stretchable_horz(false), _texture(0),
+ _bg_pixmap(0), _bg_pixel(0), _bcolor(0), _bwidth(0), _rect(0, 0, 1, 1),
+ _screen(style->screen()), _fixed_width(false), _fixed_height(false),
+ _event_mask(ButtonPressMask | ButtonReleaseMask | ButtonMotionMask |
+ ExposureMask | StructureNotifyMask),
+ _surface(0),
+ _event_dispatcher(event_dispatcher)
{
- create();
+ assert(event_dispatcher);
+ assert(style);
+ create(override_redirect);
+ _event_dispatcher->registerHandler(_window, this);
}
-OtkWidget::~OtkWidget()
+Widget::~Widget()
{
if (_visible)
hide();
+ if (_surface)
+ delete _surface;
+
+ _event_dispatcher->clearHandler(_window);
+
std::for_each(_children.begin(), _children.end(), PointerAssassin());
if (_parent)
_parent->removeChild(this);
- XDestroyWindow(otk::OBDisplay::display, _window);
+ XDestroyWindow(**display, _window);
}
-void OtkWidget::create(void)
+void Widget::create(bool override_redirect)
{
- const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
- Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
-
+ const ScreenInfo *scr_info = display->screenInfo(_screen);
+ Window p_window = _parent ? _parent->window() : scr_info->rootWindow();
- _rect.setRect(10, 10, 20, 20);
+ _rect.setRect(0, 0, 1, 1); // just some initial values
XSetWindowAttributes attrib_create;
unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
attrib_create.background_pixmap = None;
- attrib_create.colormap = scr_info->getColormap();
- attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
- ButtonMotionMask | ExposureMask;
+ attrib_create.colormap = scr_info->colormap();
+ attrib_create.event_mask = _event_mask;
+
+ if (override_redirect) {
+ create_mask |= CWOverrideRedirect;
+ attrib_create.override_redirect = true;
+ }
if (_cursor) {
create_mask |= CWCursor;
attrib_create.cursor = _cursor;
}
- _window = XCreateWindow(otk::OBDisplay::display, p_window, _rect.x(),
+ _window = XCreateWindow(**display, p_window, _rect.x(),
_rect.y(), _rect.width(), _rect.height(), 0,
- scr_info->getDepth(), InputOutput,
- scr_info->getVisual(), create_mask, &attrib_create);
+ scr_info->depth(), InputOutput,
+ scr_info->visual(), create_mask, &attrib_create);
+ _ignore_config++;
+}
+
+void Widget::setEventMask(long e)
+{
+ XSelectInput(**display, _window, e);
+ _event_mask = e;
}
-void OtkWidget::move(const Point &to)
+void Widget::setWidth(int w)
+{
+ assert(w > 0);
+ _fixed_width = true;
+ setGeometry(_rect.x(), _rect.y(), w, _rect.height());
+}
+
+void Widget::setHeight(int h)
+{
+ assert(h > 0);
+ _fixed_height = true;
+ setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
+}
+
+void Widget::move(const Point &to)
{
move(to.x(), to.y());
}
-void OtkWidget::move(int x, int y)
+void Widget::move(int x, int y)
{
_rect.setPos(x, y);
- XMoveWindow(otk::OBDisplay::display, _window, x, y);
+ XMoveWindow(**display, _window, x, y);
+ _ignore_config++;
}
-void OtkWidget::resize(const Point &to)
+void Widget::resize(const Point &to)
{
resize(to.x(), to.y());
}
-void OtkWidget::resize(int x, int y)
+void Widget::resize(int w, int h)
{
- assert(x >= _rect.x() && y >= _rect.y());
-
- _rect.setWidth(x - _rect.x());
- _rect.setHeight(y - _rect.y());
+ assert(w > 0 && h > 0);
+ _fixed_width = _fixed_height = true;
+ setGeometry(_rect.x(), _rect.y(), w, h);
}
-void OtkWidget::setGeometry(const Rect &new_geom)
+void Widget::setGeometry(const Rect &new_geom)
{
- setGeometry(new_geom.x(), new_geom.y(), new_geom.height(), new_geom.width());
+ setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
}
-void OtkWidget::setGeometry(const Point &topleft, int width, int height)
+void Widget::setGeometry(const Point &topleft, int width, int height)
{
setGeometry(topleft.x(), topleft.y(), width, height);
}
-void OtkWidget::setGeometry(int x, int y, int width, int height)
+void Widget::setGeometry(int x, int y, int width, int height)
{
_rect = Rect(x, y, width, height);
- XMoveResizeWindow(otk::OBDisplay::display, _window, x, y, width, height);
+ _dirty = true;
+
+ // make all parents dirty too
+ Widget *p = _parent;
+ while (p) {
+ p->_dirty = true;
+ p = p->_parent;
+ }
+
+ // don't use an XMoveResizeWindow here, because it doesn't seem to move
+ // windows with StaticGravity? This works, that didn't.
+ XResizeWindow(**display, _window, width, height);
+ XMoveWindow(**display, _window, x, y);
+ _ignore_config+=2;
}
-void OtkWidget::show(void)
+void Widget::show(bool recursive)
{
if (_visible)
return;
- OtkWidgetList::iterator it = _children.begin(), end = _children.end();
- for (; it != end; ++it)
- (*it)->show();
+ // make sure the internal state isn't mangled
+ if (_dirty)
+ update();
- XMapWindow(otk::OBDisplay::display, _window);
+ if (recursive) {
+ WidgetList::iterator it = _children.begin(), end = _children.end();
+ for (; it != end; ++it)
+ (*it)->show(recursive);
+ }
+
+ XMapWindow(**display, _window);
_visible = true;
}
-void OtkWidget::hide(void)
+void Widget::hide(bool recursive)
{
if (! _visible)
return;
- OtkWidgetList::iterator it = _children.begin(), end = _children.end();
+ if (recursive) {
+ WidgetList::iterator it = _children.begin(), end = _children.end();
+ for (; it != end; ++it)
+ (*it)->hide();
+ }
+
+ XUnmapWindow(**display, _window);
+ _visible = false;
+}
+
+void Widget::focus(void)
+{
+ _focused = true;
+
+ Widget::WidgetList::iterator it = _children.begin(),
+ end = _children.end();
for (; it != end; ++it)
- (*it)->hide();
+ (*it)->focus();
+}
- XUnmapWindow(otk::OBDisplay::display, _window);
- _visible = false;
+void Widget::unfocus(void)
+{
+ _focused = false;
+
+ Widget::WidgetList::iterator it = _children.begin(),
+ end = _children.end();
+ for (; it != end; ++it)
+ (*it)->unfocus();
}
-void OtkWidget::focus(void)
+bool Widget::grabMouse(void)
{
- if (! _visible)
+ Status ret = XGrabPointer(**display, _window, True,
+ (ButtonPressMask | ButtonReleaseMask |
+ ButtonMotionMask | EnterWindowMask |
+ LeaveWindowMask | PointerMotionMask),
+ GrabModeSync, GrabModeAsync, None, None,
+ CurrentTime);
+ _grabbed_mouse = (ret == GrabSuccess);
+ return _grabbed_mouse;
+}
+
+void Widget::ungrabMouse(void)
+{
+ if (! _grabbed_mouse)
+ return;
+
+ XUngrabPointer(**display, CurrentTime);
+ _grabbed_mouse = false;
+}
+
+bool Widget::grabKeyboard(void)
+{
+ Status ret = XGrabKeyboard(**display, _window, True,
+ GrabModeSync, GrabModeAsync, CurrentTime);
+ _grabbed_keyboard = (ret == GrabSuccess);
+ return _grabbed_keyboard;
+
+}
+
+void Widget::ungrabKeyboard(void)
+{
+ if (! _grabbed_keyboard)
+ return;
+
+ XUngrabKeyboard(**display, CurrentTime);
+ _grabbed_keyboard = false;
+}
+
+void Widget::render(void)
+{
+ if (!_texture) {
+ XSetWindowBackgroundPixmap(**display, _window, ParentRelative);
return;
+ }
+
+ Surface *s = _surface; // save the current surface
+
+ _surface = new Surface(_screen, _rect.size());
+ display->renderControl(_screen)->drawBackground(*_surface, *_texture);
- XSetInputFocus(otk::OBDisplay::display, _window, RevertToPointerRoot,
- CurrentTime);
+ renderForeground(); // for inherited types to render onto the _surface
+
+ XSetWindowBackgroundPixmap(**display, _window, _surface->pixmap());
+
+ if (s)
+ delete s; // delete the old surface *after* its pixmap isn't in use anymore
}
-void OtkWidget::blur(void)
+void Widget::adjust(void)
{
- // ?
+ if (_direction == Horizontal)
+ adjustHorz();
+ else
+ adjustVert();
}
-bool OtkWidget::grabMouse(void)
+void Widget::adjustHorz(void)
{
- return true;
+ if (_children.size() == 0)
+ return;
+
+ Widget *tmp;
+ WidgetList::iterator it, end = _children.end();
+
+ int tallest = 0;
+ int width = _bevel_width;
+ WidgetList stretchable;
+
+ for (it = _children.begin(); it != end; ++it) {
+ tmp = *it;
+ if (tmp->isStretchableVert())
+ tmp->setHeight(_rect.height() > _bevel_width * 2 ?
+ _rect.height() - _bevel_width * 2 : _bevel_width);
+ if (tmp->isStretchableHorz())
+ stretchable.push_back(tmp);
+ else
+ width += tmp->_rect.width() + _bevel_width;
+
+ if (tmp->_rect.height() > tallest)
+ tallest = tmp->_rect.height();
+ }
+
+ if (stretchable.size() > 0) {
+ WidgetList::iterator str_it = stretchable.begin(),
+ str_end = stretchable.end();
+
+ int str_width = _rect.width() - width / stretchable.size();
+
+ for (; str_it != str_end; ++str_it)
+ (*str_it)->setWidth(str_width > _bevel_width ? str_width - _bevel_width
+ : _bevel_width);
+ }
+
+ Widget *prev_widget = 0;
+
+ for (it = _children.begin(); it != end; ++it) {
+ tmp = *it;
+ int x, y;
+
+ if (prev_widget)
+ x = prev_widget->_rect.x() + prev_widget->_rect.width() + _bevel_width;
+ else
+ x = _bevel_width;
+ y = (tallest - tmp->_rect.height()) / 2 + _bevel_width;
+
+ tmp->move(x, y);
+
+ prev_widget = tmp;
+ }
+ internalResize(width, tallest + _bevel_width * 2);
}
-void OtkWidget::ungrabMouse(void)
+void Widget::adjustVert(void)
{
+ if (_children.size() == 0)
+ return;
+
+ Widget *tmp;
+ WidgetList::iterator it, end = _children.end();
+
+ int widest = 0;
+ int height = _bevel_width;
+ WidgetList stretchable;
+
+ for (it = _children.begin(); it != end; ++it) {
+ tmp = *it;
+ if (tmp->isStretchableHorz())
+ tmp->setWidth(_rect.width() > _bevel_width * 2 ?
+ _rect.width() - _bevel_width * 2 : _bevel_width);
+ if (tmp->isStretchableVert())
+ stretchable.push_back(tmp);
+ else
+ height += tmp->_rect.height() + _bevel_width;
+
+ if (tmp->_rect.width() > widest)
+ widest = tmp->_rect.width();
+ }
+ if (stretchable.size() > 0) {
+ WidgetList::iterator str_it = stretchable.begin(),
+ str_end = stretchable.end();
+
+ int str_height = _rect.height() - height / stretchable.size();
+
+ for (; str_it != str_end; ++str_it)
+ (*str_it)->setHeight(str_height > _bevel_width ?
+ str_height - _bevel_width : _bevel_width);
+ }
+ if (stretchable.size() > 0)
+ height = _rect.height();
+
+ Widget *prev_widget = 0;
+
+ for (it = _children.begin(); it != end; ++it) {
+ tmp = *it;
+ int x, y;
+
+ if (prev_widget)
+ y = prev_widget->_rect.y() + prev_widget->_rect.height() + _bevel_width;
+ else
+ y = _bevel_width;
+ x = (widest - tmp->_rect.width()) / 2 + _bevel_width;
+
+ tmp->move(x, y);
+
+ prev_widget = tmp;
+ }
+
+ internalResize(widest + _bevel_width * 2, height);
+}
+
+void Widget::update()
+{
+ WidgetList::iterator it = _children.begin(), end = _children.end();
+ for (; it != end; ++it)
+ (*it)->update();
+
+ if (_dirty) {
+ adjust();
+ render();
+ XClearWindow(**display, _window);
+ }
+
+ _dirty = false;
+}
+
+void Widget::internalResize(int w, int h)
+{
+ assert(w > 0 && h > 0);
+
+ bool fw = _fixed_width, fh = _fixed_height;
+
+ if (! fw && ! fh)
+ resize(w, h);
+ else if (! fw)
+ resize(w, _rect.height());
+ else if (! fh)
+ resize(_rect.width(), h);
+
+ _fixed_width = fw;
+ _fixed_height = fh;
+}
+
+void Widget::addChild(Widget *child, bool front)
+{
+ assert(child);
+ if (front)
+ _children.push_front(child);
+ else
+ _children.push_back(child);
}
-bool OtkWidget::grabKeyboard(void)
+void Widget::removeChild(Widget *child)
{
- return true;
+ assert(child);
+ WidgetList::iterator it, end = _children.end();
+ for (it = _children.begin(); it != end; ++it) {
+ if ((*it) == child)
+ break;
+ }
+
+ if (it != _children.end())
+ _children.erase(it);
}
-void OtkWidget::ungrabKeyboard(void)
+void Widget::setStyle(RenderStyle *style)
{
+ assert(style);
+ _style = style;
+ _dirty = true;
+ WidgetList::iterator it, end = _children.end();
+ for (it = _children.begin(); it != end; ++it)
+ (*it)->setStyle(style);
}
-void OtkWidget::setTexture(BTexture *texture)
+
+void Widget::setEventDispatcher(EventDispatcher *disp)
{
- texture = texture;
+ if (_event_dispatcher)
+ _event_dispatcher->clearHandler(_window);
+ _event_dispatcher = disp;
+ _event_dispatcher->registerHandler(_window, this);
}
-void OtkWidget::addChild(OtkWidget *child)
+void Widget::exposeHandler(const XExposeEvent &e)
{
- child = child;
+ EventHandler::exposeHandler(e);
+// XClearArea(**display, _window, e.x, e.y, e.width, e.height, false);
}
-void OtkWidget::removeChild(OtkWidget *child)
+void Widget::configureHandler(const XConfigureEvent &e)
{
- child = child;
+ EventHandler::configureHandler(e);
+
+ if (_ignore_config) {
+ _ignore_config--;
+ } else {
+ int width = e.width;
+ int height = e.height;
+
+ XEvent ev;
+ while (XCheckTypedWindowEvent(**display, _window, ConfigureNotify, &ev)) {
+ width = ev.xconfigure.width;
+ height = ev.xconfigure.height;
+ }
+
+ if (!(width == _rect.width() && height == _rect.height())) {
+ _dirty = true;
+ _rect.setSize(width, height);
+ }
+ update();
+ }
}
}