--- /dev/null
+// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
+
+#ifdef HAVE_CONFIG_H
+# include "../config.h"
+#endif // HAVE_CONFIG_H
+
+#include "basewidget.hh"
+#include "display.hh"
+#include "assassin.hh"
+#include "screeninfo.hh"
+
+#include <algorithm>
+
+namespace otk {
+
+OtkBaseWidget::OtkBaseWidget(OtkBaseWidget *parent)
+ : OtkEventHandler(),
+ _dirty(false),
+ _parent(parent), _style(parent->getStyle()),
+ _cursor(parent->getCursor()), _bevel_width(parent->getBevelWidth()),
+ _ignore_config(0), _visible(false), _focused(false), _grabbed_mouse(false),
+ _grabbed_keyboard(false), _texture(0), _bg_pixmap(0), _bg_pixel(0),
+ _screen(parent->getScreen())
+{
+ assert(parent);
+ parent->addChild(this);
+ create();
+}
+
+OtkBaseWidget::OtkBaseWidget(Style *style, Cursor cursor, int bevel_width)
+ : OtkEventHandler(),
+ _dirty(false), _parent(0), _style(style), _cursor(cursor),
+ _bevel_width(bevel_width), _ignore_config(0), _visible(false),
+ _focused(false), _grabbed_mouse(false), _grabbed_keyboard(false),
+ _texture(0), _bg_pixmap(0), _bg_pixel(0), _screen(style->getScreen())
+{
+ assert(style);
+ create();
+}
+
+OtkBaseWidget::~OtkBaseWidget()
+{
+ if (_visible)
+ hide();
+
+ std::for_each(_children.begin(), _children.end(), PointerAssassin());
+
+ if (_parent)
+ _parent->removeChild(this);
+
+ XDestroyWindow(otk::OBDisplay::display, _window);
+}
+
+void OtkBaseWidget::create(void)
+{
+ const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
+ Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
+
+ _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 | StructureNotifyMask;
+
+ if (_cursor) {
+ create_mask |= CWCursor;
+ attrib_create.cursor = _cursor;
+ }
+
+ _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);
+ _ignore_config++;
+}
+
+void OtkBaseWidget::setWidth(int w)
+{
+ assert(w > 0);
+ setGeometry(_rect.x(), _rect.y(), w, _rect.height());
+}
+
+void OtkBaseWidget::setHeight(int h)
+{
+ assert(h > 0);
+ setGeometry(_rect.x(), _rect.y(), _rect.width(), h);
+}
+
+void OtkBaseWidget::move(const Point &to)
+{
+ move(to.x(), to.y());
+}
+
+void OtkBaseWidget::move(int x, int y)
+{
+ _rect.setPos(x, y);
+ XMoveWindow(otk::OBDisplay::display, _window, x, y);
+ _ignore_config++;
+}
+
+void OtkBaseWidget::resize(const Point &to)
+{
+ resize(to.x(), to.y());
+}
+
+void OtkBaseWidget::resize(int w, int h)
+{
+ assert(w > 0 && h > 0);
+ setGeometry(_rect.x(), _rect.y(), w, h);
+}
+
+void OtkBaseWidget::setGeometry(const Rect &new_geom)
+{
+ setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
+}
+
+void OtkBaseWidget::setGeometry(const Point &topleft, int width, int height)
+{
+ setGeometry(topleft.x(), topleft.y(), width, height);
+}
+
+void OtkBaseWidget::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 OtkBaseWidget::show(bool recursive)
+{
+ if (_visible)
+ return;
+
+ // make sure the internal state isn't mangled
+ if (_dirty)
+ update();
+
+ if (recursive) {
+ OtkBaseWidgetList::iterator it = _children.begin(), end = _children.end();
+ for (; it != end; ++it)
+ (*it)->show();
+ }
+
+ XMapWindow(otk::OBDisplay::display, _window);
+ _visible = true;
+}
+
+void OtkBaseWidget::hide(bool recursive)
+{
+ if (! _visible)
+ return;
+
+ if (recursive) {
+ OtkBaseWidgetList::iterator it = _children.begin(), end = _children.end();
+ for (; it != end; ++it)
+ (*it)->hide();
+ }
+
+ XUnmapWindow(otk::OBDisplay::display, _window);
+ _visible = false;
+}
+
+void OtkBaseWidget::focus(void)
+{
+ if (! _visible)
+ return;
+
+ XSetInputFocus(otk::OBDisplay::display, _window, RevertToPointerRoot,
+ CurrentTime);
+}
+
+bool OtkBaseWidget::grabMouse(void)
+{
+ 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 OtkBaseWidget::ungrabMouse(void)
+{
+ if (! _grabbed_mouse)
+ return;
+
+ XUngrabPointer(otk::OBDisplay::display, CurrentTime);
+ _grabbed_mouse = false;
+}
+
+bool OtkBaseWidget::grabKeyboard(void)
+{
+ Status ret = XGrabKeyboard(otk::OBDisplay::display, _window, True,
+ GrabModeSync, GrabModeAsync, CurrentTime);
+ _grabbed_keyboard = (ret == GrabSuccess);
+ return _grabbed_keyboard;
+
+}
+
+void OtkBaseWidget::ungrabKeyboard(void)
+{
+ if (! _grabbed_keyboard)
+ return;
+
+ XUngrabKeyboard(otk::OBDisplay::display, CurrentTime);
+ _grabbed_keyboard = false;
+}
+
+void OtkBaseWidget::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);
+ else {
+ unsigned int pix = _texture->color().pixel();
+ if (pix != _bg_pixel) {
+ _bg_pixel = pix;
+ XSetWindowBackground(otk::OBDisplay::display, _window, pix);
+ }
+ }
+}
+
+void OtkBaseWidget::update(void)
+{
+ if (_dirty) {
+ render();
+ XClearWindow(OBDisplay::display, _window);
+ }
+
+ OtkBaseWidgetList::iterator it = _children.begin(), end = _children.end();
+ for (; it != end; ++it)
+ (*it)->update();
+
+ _dirty = false;
+}
+
+void OtkBaseWidget::addChild(OtkBaseWidget *child, bool front)
+{
+ assert(child);
+ if (front)
+ _children.push_front(child);
+ else
+ _children.push_back(child);
+}
+
+void OtkBaseWidget::removeChild(OtkBaseWidget *child)
+{
+ assert(child);
+ OtkBaseWidgetList::iterator it, end = _children.end();
+ for (it = _children.begin(); it != end; ++it) {
+ if ((*it) == child)
+ break;
+ }
+
+ if (it != _children.end())
+ _children.erase(it);
+}
+
+void OtkBaseWidget::setStyle(Style *style)
+{
+ assert(style);
+ _style = style;
+ _dirty = true;
+ OtkBaseWidgetList::iterator it, end = _children.end();
+ for (it = _children.begin(); it != end; ++it)
+ (*it)->setStyle(style);
+}
+
+void OtkBaseWidget::exposeHandler(const XExposeEvent &e)
+{
+ OtkEventHandler::exposeHandler(e);
+ _dirty = true;
+ update();
+}
+
+void OtkBaseWidget::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();
+ }
+}
+
+}
--- /dev/null
+#ifndef __basewidget_hh
+#define __basewidget_hh
+
+#include "rect.hh"
+#include "point.hh"
+#include "texture.hh"
+#include "style.hh"
+#include "display.hh"
+#include "eventdispatcher.hh"
+
+extern "C" {
+#include <assert.h>
+}
+
+#include <list>
+
+namespace otk {
+
+class OtkBaseWidget : public OtkEventHandler {
+
+public:
+
+ typedef std::list<OtkBaseWidget *> OtkBaseWidgetList;
+
+ OtkBaseWidget(OtkBaseWidget *parent);
+ OtkBaseWidget(Style *style, Cursor cursor = 0, int bevel_width = 1);
+
+ virtual ~OtkBaseWidget();
+
+ //! Redraw the widget and all of its children
+ virtual void update(void);
+
+ void exposeHandler(const XExposeEvent &e);
+ void configureHandler(const XConfigureEvent &e);
+
+ inline Window getWindow(void) const { return _window; }
+ inline const OtkBaseWidget *getParent(void) const { return _parent; }
+ inline const OtkBaseWidgetList &getChildren(void) const { return _children; }
+ inline unsigned int getScreen(void) const { return _screen; }
+ inline const Rect &getRect(void) const { return _rect; }
+
+ void move(const Point &to);
+ void move(int x, int y);
+
+ virtual void setWidth(int);
+ virtual void setHeight(int);
+
+ virtual int width() const { return _rect.width(); }
+ virtual int height() const { return _rect.height(); }
+
+ virtual void resize(const Point &to);
+ virtual void resize(int x, int y);
+
+ virtual void setGeometry(const Rect &new_geom);
+ virtual void setGeometry(const Point &topleft, int width, int height);
+ virtual void setGeometry(int x, int y, int width, int height);
+
+ inline bool isVisible(void) const { return _visible; };
+ virtual void show(bool recursive = false);
+ virtual void hide(bool recursive = false);
+
+ inline bool isFocused(void) const { return _focused; };
+ virtual void focus(void);
+
+ inline bool hasGrabbedMouse(void) const { return _grabbed_mouse; }
+ bool grabMouse(void);
+ void ungrabMouse(void);
+
+ inline bool hasGrabbedKeyboard(void) const { return _grabbed_keyboard; }
+ bool grabKeyboard(void);
+ void ungrabKeyboard(void);
+
+ inline BTexture *getTexture(void) const { return _texture; }
+ virtual void setTexture(BTexture *texture)
+ { _texture = texture; _dirty = true; }
+
+ virtual void addChild(OtkBaseWidget *child, bool front = false);
+ virtual void removeChild(OtkBaseWidget *child);
+
+ inline Cursor getCursor(void) const { return _cursor; }
+ void setCursor(Cursor cursor) {
+ _cursor = cursor;
+ XDefineCursor(OBDisplay::display, _window, _cursor);
+ }
+
+ inline int getBevelWidth(void) const { return _bevel_width; }
+ void setBevelWidth(int bevel_width)
+ { assert(bevel_width > 0); _bevel_width = bevel_width; }
+
+ inline Style *getStyle(void) const { return _style; }
+ virtual void setStyle(Style *style);
+
+protected:
+
+ //! If the widget needs to redraw itself. Watched by all subclasses too!
+ bool _dirty;
+
+ Window _window;
+
+ OtkBaseWidget *_parent;
+ OtkBaseWidgetList _children;
+
+ Style *_style;
+ Cursor _cursor;
+ int _bevel_width;
+ int _ignore_config;
+
+ bool _visible;
+ bool _focused;
+
+ bool _grabbed_mouse;
+ bool _grabbed_keyboard;
+
+ BTexture *_texture;
+ Pixmap _bg_pixmap;
+ unsigned int _bg_pixel;
+
+ Rect _rect;
+ unsigned int _screen;
+
+private:
+
+ void create(void);
+ void render(void);
+};
+
+}
+
+#endif // __basewidget_hh
projects / chaz / openbox / commitdiff
