+// -*- 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 <algorithm>
+#include <iostream>
+
namespace otk {
-OtkWidget::OtkWidget(OtkWidget *parent)
- : _parent(parent), _visible(false), _focused(false), _grabbed_mouse(false),
+OtkWidget::OtkWidget(OtkWidget *parent, Direction direction)
+ : OtkEventHandler(),
+ _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), _screen(parent->screen()), _fixed_width(false),
+ _fixed_height(false), _event_dispatcher(parent->eventDispatcher())
{
+ assert(parent);
parent->addChild(this);
create();
+ _event_dispatcher->registerHandler(_window, this);
+ setStyle(_style); // let the widget initialize stuff
}
-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)
+OtkWidget::OtkWidget(OtkEventDispatcher *event_dispatcher, Style *style,
+ Direction direction, Cursor cursor, int bevel_width,
+ unsigned long create_mask)
+ : OtkEventHandler(),
+ _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),
+ _screen(style->getScreen()), _fixed_width(false), _fixed_height(false),
+ _event_dispatcher(event_dispatcher)
{
- create();
+ assert(event_dispatcher);
+ assert(style);
+ create(create_mask);
+ _event_dispatcher->registerHandler(_window, this);
+ setStyle(_style); // let the widget initialize stuff
}
OtkWidget::~OtkWidget()
if (_visible)
hide();
+ _event_dispatcher->clearHandler(_window);
+
std::for_each(_children.begin(), _children.end(), PointerAssassin());
if (_parent)
XDestroyWindow(otk::OBDisplay::display, _window);
}
-void OtkWidget::create(void)
+void OtkWidget::create(unsigned long mask)
{
const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
- Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
-
+ 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;
+ unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask |
+ mask;
attrib_create.background_pixmap = None;
- attrib_create.colormap = scr_info->getColormap();
+ attrib_create.colormap = scr_info->colormap();
+ attrib_create.override_redirect = true; // not used by default
attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
- ButtonMotionMask | ExposureMask;
+ ButtonMotionMask | ExposureMask | StructureNotifyMask;
+
if (_cursor) {
create_mask |= CWCursor;
_window = XCreateWindow(otk::OBDisplay::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 OtkWidget::setWidth(int w)
+{
+ assert(w > 0);
+ _fixed_width = true;
+ setGeometry(_rect.x(), _rect.y(), w, _rect.height());
+}
+
+void OtkWidget::setHeight(int h)
+{
+ assert(h > 0);
+ _fixed_height = true;
+ setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
}
void OtkWidget::move(const Point &to)
{
_rect.setPos(x, y);
XMoveWindow(otk::OBDisplay::display, _window, x, y);
+ _ignore_config++;
}
void OtkWidget::resize(const Point &to)
resize(to.x(), to.y());
}
-void OtkWidget::resize(int x, int y)
+void OtkWidget::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)
{
- 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 OtkWidget::setGeometry(int x, int y, int width, int height)
{
_rect = Rect(x, y, width, height);
+ _dirty = true;
+
XMoveResizeWindow(otk::OBDisplay::display, _window, x, y, width, height);
+ _ignore_config++;
}
-void OtkWidget::show(void)
+void OtkWidget::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();
+
+ if (recursive) {
+ OtkWidgetList::iterator it = _children.begin(), end = _children.end();
+ for (; it != end; ++it)
+ (*it)->show();
+ }
XMapWindow(otk::OBDisplay::display, _window);
_visible = true;
}
-void OtkWidget::hide(void)
+void OtkWidget::hide(bool recursive)
{
if (! _visible)
return;
- OtkWidgetList::iterator it = _children.begin(), end = _children.end();
- for (; it != end; ++it)
- (*it)->hide();
-
+ if (recursive) {
+ OtkWidgetList::iterator it = _children.begin(), end = _children.end();
+ for (; it != end; ++it)
+ (*it)->hide();
+ }
+
XUnmapWindow(otk::OBDisplay::display, _window);
_visible = false;
}
void OtkWidget::focus(void)
{
- if (! _visible)
- return;
-
- XSetInputFocus(otk::OBDisplay::display, _window, RevertToPointerRoot,
- CurrentTime);
+ _focused = true;
+
+ OtkWidget::OtkWidgetList::iterator it = _children.begin(),
+ end = _children.end();
+ for (; it != end; ++it)
+ (*it)->focus();
}
-void OtkWidget::blur(void)
+void OtkWidget::unfocus(void)
{
- // ?
+ _focused = false;
+
+ OtkWidget::OtkWidgetList::iterator it = _children.begin(),
+ end = _children.end();
+ for (; it != end; ++it)
+ (*it)->unfocus();
}
bool OtkWidget::grabMouse(void)
{
- return true;
+ Status ret = XGrabPointer(otk::OBDisplay::display, _window, True,
+ (ButtonPressMask | ButtonReleaseMask |
+ ButtonMotionMask | EnterWindowMask |
+ LeaveWindowMask | PointerMotionMask),
+ GrabModeSync, GrabModeAsync, None, None,
+ CurrentTime);
+ _grabbed_mouse = (ret == GrabSuccess);
+ return _grabbed_mouse;
}
void OtkWidget::ungrabMouse(void)
{
+ if (! _grabbed_mouse)
+ return;
+ XUngrabPointer(otk::OBDisplay::display, CurrentTime);
+ _grabbed_mouse = false;
}
bool OtkWidget::grabKeyboard(void)
{
- return true;
+ Status ret = XGrabKeyboard(otk::OBDisplay::display, _window, True,
+ GrabModeSync, GrabModeAsync, CurrentTime);
+ _grabbed_keyboard = (ret == GrabSuccess);
+ return _grabbed_keyboard;
+
}
void OtkWidget::ungrabKeyboard(void)
{
+ if (! _grabbed_keyboard)
+ return;
+
+ XUngrabKeyboard(otk::OBDisplay::display, CurrentTime);
+ _grabbed_keyboard = false;
+}
+
+void OtkWidget::render(void)
+{
+ if (!_texture) return;
+
+ _bg_pixmap = _texture->render(_rect.width(), _rect.height(), _bg_pixmap);
+
+ if (_bg_pixmap) {
+ XSetWindowBackgroundPixmap(otk::OBDisplay::display, _window, _bg_pixmap);
+ _bg_pixel = None;
+ } else {
+ unsigned int pix = _texture->color().pixel();
+ if (pix != _bg_pixel) {
+ _bg_pixel = pix;
+ XSetWindowBackground(otk::OBDisplay::display, _window, pix);
+ }
+ }
+}
+
+void OtkWidget::adjust(void)
+{
+ if (_direction == Horizontal)
+ adjustHorz();
+ else
+ adjustVert();
+}
+
+void OtkWidget::adjustHorz(void)
+{
+ if (_children.size() == 0)
+ return;
+
+ OtkWidget *tmp;
+ OtkWidgetList::iterator it, end = _children.end();
+
+ int tallest = 0;
+ int width = _bevel_width;
+ OtkWidgetList 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) {
+ OtkWidgetList::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);
+ }
+
+ OtkWidget *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 = _rect.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::adjustVert(void)
+{
+ if (_children.size() == 0)
+ return;
+ OtkWidget *tmp;
+ OtkWidgetList::iterator it, end = _children.end();
+
+ int widest = 0;
+ int height = _bevel_width;
+ OtkWidgetList 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) {
+ OtkWidgetList::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);
+ }
+
+ OtkWidget *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 = _rect.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 OtkWidget::setTexture(BTexture *texture)
+void OtkWidget::update(void)
{
- texture = texture;
+ if (_dirty) {
+ adjust();
+ render();
+ XClearWindow(OBDisplay::display, _window);
+ }
+
+ OtkWidgetList::iterator it = _children.begin(), end = _children.end();
+ for (; it != end; ++it)
+ (*it)->update();
+
+ _dirty = false;
+}
+
+void OtkWidget::internalResize(int w, int h)
+{
+ assert(w > 0 && h > 0);
+
+ if (! _fixed_width && ! _fixed_height)
+ resize(w, h);
+ else if (! _fixed_width)
+ resize(w, _rect.height());
+ else if (! _fixed_height)
+ resize(_rect.width(), h);
}
-void OtkWidget::addChild(OtkWidget *child)
+void OtkWidget::addChild(OtkWidget *child, bool front)
{
- child = child;
+ assert(child);
+ if (front)
+ _children.push_front(child);
+ else
+ _children.push_back(child);
}
void OtkWidget::removeChild(OtkWidget *child)
{
- child = child;
+ assert(child);
+ OtkWidgetList::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::setStyle(Style *style)
+{
+ assert(style);
+ _style = style;
+ _dirty = true;
+
+ OtkWidgetList::iterator it, end = _children.end();
+ for (it = _children.begin(); it != end; ++it)
+ (*it)->setStyle(style);
+}
+
+
+void OtkWidget::setEventDispatcher(OtkEventDispatcher *disp)
+{
+ if (_event_dispatcher)
+ _event_dispatcher->clearHandler(_window);
+ _event_dispatcher = disp;
+ _event_dispatcher->registerHandler(_window, this);
+}
+
+void OtkWidget::exposeHandler(const XExposeEvent &e)
+{
+ OtkEventHandler::exposeHandler(e);
+ _dirty = true;
+ update();
+}
+
+void OtkWidget::configureHandler(const XConfigureEvent &e)
+{
+ OtkEventHandler::configureHandler(e);
+ if (_ignore_config) {
+ _ignore_config--;
+ } else {
+ if (!(e.width == _rect.width() && e.height == _rect.height())) {
+ _dirty = true;
+ _rect.setSize(e.width, e.height);
+ }
+ update();
+ }
}
}
projects / chaz / openbox / blobdiff