Import Flake into koffice

I'm hoping I can find someone else to create cmake stuff :)

svn path=/trunk/koffice/; revision=544705

libs/flake/KoCanvasBase.h

+/* This file is part of the KDE project
+
+   Copyright (C) 2006 Boudewijn Rempt <boud@valdyas.org>
+   Copyright (C) 2006 Thomas Zander <zander@kde.org>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#ifndef KOCANVASBASE_H
+#define KOCANVASBASE_H
+
+#include <QPointF>
+#include <QPoint>
+#include <QRectF>
+#include <QRect>
+
+
+class KoSelection;
+class KCommand;
+class KoShapeManager;
+class KoTool;
+class KoViewConverter;
+
+/**
+ * KoCanvasBase is the interface actual application canvas classes
+ * should implement. Flake tools know about the canvas, so they can
+ * do things like scroll, redraw, set a cursor etc.
+ */
+class KoCanvasBase {
+public:
+    KoCanvasBase() {};
+    virtual ~KoCanvasBase() {};
+
+public:
+
+    /**
+     * retrieve the grid size setting.
+     * The grid spacing will be provided in pt.
+     * @param horizontal a pointer to a double that will be filled with the horizontal grid-spacing
+     * @param vertical a pointer to a double that will be filled with the vertical grid-spacing
+     */
+    virtual void gridSize(double *horizontal, double *vertical) const = 0;
+
+    /**
+     * return if snap to grid is enabled.
+     * @return if snap to grid is enabled.
+     */
+    virtual bool snapToGrid() const = 0;
+
+    /**
+     * Adds a command to the history. Call this for each @p command you create.
+     * Unless you set @p execute to false, this will also execute the command.
+     * This means, most of the application's code will look like
+     *    MyCommand * cmd = new MyCommand( parameters );
+     *    canvas.addCommand( cmd );
+     *
+     * Note that the command history takes ownership of the command, it will delete
+     * it when the undo limit is reached, or when deleting the command history itself.
+     * @param command the command to add
+     * @param execute if true, the commands execute method will be called
+     */
+    virtual void addCommand(KCommand *command, bool execute = true) = 0;
+
+    /**
+     * return the current shapeManager
+     * @return the current shapeManager
+     */
+    virtual KoShapeManager *shapeManager() const = 0;
+
+    /**
+     * Tell the canvas repaint the specified rectangle. The coordinates
+     * are document coordinates, not view coordinates.
+     */
+    virtual void updateCanvas(const QRectF& rc) = 0;
+
+    /**
+     * Return the curently active tool, or 0 if non active.
+     * @return the curently active tool, or 0 if non active.
+     */
+    virtual KoTool* activeTool() = 0;
+
+    /**
+     * Return the viewConverter for this view.
+     * @return the viewConverter for this view.
+     */
+    virtual KoViewConverter *viewConverter() = 0;
+
+
+#if 0
+/*  The next list of methods are naming taken from Krita, which means they have allready been
+    toughened by time.  So, if you ever need a method in this interface; please uncomment the
+    respective one here for good naming conventions.  It will probably save you time in
+    implementing some of the methods in the different KOffice apps as well ;)
+*/
+
+
+    virtual KoSelection * currentSelection() const 0;
+    
+    /**
+     * @return the value of the horizontal scrollbar.
+     */
+    virtual qint32 horizontalScrollbarValue() const  0;
+
+    /**
+     * @return the value of the vertical scrollbar
+     */
+    virtual qint32 verticalScrollbarValue() const  0;
+   
+    /**
+     * Sets the horizontal and vertical scrollbars to the specified values
+     *
+     * @param x the value the horizontal scrollbar is set to
+     * @param y the value the vertical scrollbar is set to
+     */
+    virtual void scrollTo(qint32 x, qint32 y)  0;
+   
+    /**
+     * Tell all of the canvas to repaint itself.
+     */
+    virtual void updateCanvas()  0;
+
+    /**
+     * Tell the canvas to repaint the rectangle defined by x, y, w and h.
+     * The coordinates are document coordinates.
+     */
+    virtual void updateCanvas(qint32 x, qint32 y, qint32 w, qint32 h)  0;
+
+    /**
+     * Increase the zoomlevel one step
+     */
+    virtual void zoomIn()  0;
+
+    /**
+      Increase the zoomlevel one step and make sure that x,y is the center 
+       point of the view.
+     
+      @param x The x coordinate of the visible point in document 
+               coordinates
+      @param y the y coordinate of the visible point in document 
+               coordinates
+     */
+    virtual void zoomIn(qint32 x, qint32 y)  0;
+   
+    /**
+     * Decrease the zoomlevel one step
+     */
+    virtual void zoomOut()  0;
+
+
+    /**
+     * Decrease the zoomlevel one step and make sure that x,y is the center point of the view.
+     *
+     * @param x the x coordinate of the visible point in document coordinates
+     * @param y the y coordinate of the visible point in document coordinates
+     */
+    virtual void zoomOut(qint32 x, qint32 y)  0;
+   
+    /**
+     * To centre the view on the given point with the given zoom factor.
+     *
+     * @param x the x coordinate of the center point in document coordinates
+     * @param y the y coordinate of the center point in document coordinates
+     * @param zf the zoomfactor
+     */
+    virtual void zoomAroundPoint(double x, double y, double zf)  0;
+
+    /**
+     * Make the rect defined by x, y, w and h visible, zooming in or
+     * out as necessary. The view will be centered around the center point
+     * of the specified rect.
+     */
+    virtual void zoomTo(qint32 x, qint32 y, qint32 w, qint32 h)  0;
+
+    /**
+     * Make the rect defined by x, y, w and h visible, zooming in or
+     * out as necessary. The view will be centered around the center point
+     * of the specified rect.
+     */
+    virtual void zoomTo(const QRect& r)  0;
+   
+    /**
+     * Make the rect defined by x, y, w and h visible, zooming in or
+     * out as necessary. The view will be centered around the center point
+     * of the specified rect.
+     */
+    virtual void zoomTo(const QRectF& r)  0;
+   
+    /**
+     * Conversion functions from view coordinates to document coordinates
+     *
+     * You can get the rectangle of the document that's visible using the
+     * viewToWindow() functions (KoCanvasBase). E.g.
+     * viewToWindow(QRect(0, 0, canvasWidth, canvasHeight)).
+     *
+     * Here, the view is the canvas widget in the view widget, and the window
+     * is the window on the document.
+     */
+    virtual QPoint viewToWindow(const QPoint& pt)  0;
+    virtual QPointF viewToWindow(const QPointF& pt)  0;
+    virtual QRect viewToWindow(const QRect& rc)  0;
+    virtual QRectF viewToWindow(const QRectF& rc)  0;
+    virtual void viewToWindow(qint32 *x, qint32 *y)  0;
+   
+    /**
+     * Conversion functions from document coordinates to view coordinates
+     */
+    virtual QPoint windowToView(const QPoint& pt)  0;
+    virtual QPointF windowToView(const QPointF& pt)  0;
+    virtual QRect windowToView(const QRect& rc)  0;
+    virtual QRectF windowToView(const QRectF& rc)  0;
+    virtual void windowToView(qint32 *x, qint32 *y)  0;
+   
+    /**
+     * Set the cursor shown when the pointer is over the canvas widget to
+     * the specified cursor.
+     *
+     * @param cursor the new cursor
+     * @return the old cursor
+     */
+    virtual QCursor setCanvasCursor(const QCursor & cursor)  0;
+   
+    /**
+     * Set the active input device to the specified input device, This
+     * could be a mouse, a stylus, an eraser or any other pointing input
+     * device.
+     *
+     * @param inputDevice the new input device
+     */
+    virtual void setInputDevice(KoInputDevice inputDevice)  0;
+
+    /**
+     * @return the current input device, such as a mouse or a stylus
+     */
+    virtual KoInputDevice currentInputDevice() const  0;
+#endif
+};
+
+#endif

libs/flake/KoCommand.cpp

+#include "KoCommand.h"
+#include "KoShape.h"
+#include "KoShapeGroup.h"
+#include "KoShapeContainer.h"
+#include "KoShapeControllerInterface.h"
+
+#include <QString>
+
+KoShapeMoveCommand::KoShapeMoveCommand(const KoSelectionSet &shapes, QList<QPointF> &previousPositions, QList<QPointF> &newPositions)
+: m_previousPositions(previousPositions)
+, m_newPositions(newPositions)
+{
+    m_shapes = shapes.toList();
+    Q_ASSERT(m_shapes.count() == m_previousPositions.count());
+    Q_ASSERT(m_shapes.count() == m_newPositions.count());
+}
+
+void KoShapeMoveCommand::execute() {
+    for(int i=0; i < m_shapes.count(); i++) {
+        m_shapes.at(i)->repaint();
+        m_shapes.at(i)->setPosition( m_newPositions.at(i) );
+        m_shapes.at(i)->repaint();
+    }
+}
+
+void KoShapeMoveCommand::unexecute() {
+    for(int i=0; i < m_shapes.count(); i++) {
+        m_shapes.at(i)->repaint();
+        m_shapes.at(i)->setPosition( m_previousPositions.at(i) );
+        m_shapes.at(i)->repaint();
+    }
+}
+
+QString KoShapeMoveCommand::name () const {
+    return "Move";
+}
+
+
+KoShapeRotateCommand::KoShapeRotateCommand(const KoSelectionSet &shapes, QList<double> &previousAngles, QList<double> &newAngles)
+: m_previousAngles(previousAngles)
+, m_newAngles(newAngles)
+{
+    m_shapes = shapes.toList();
+    Q_ASSERT(m_shapes.count() == m_previousAngles.count());
+    Q_ASSERT(m_shapes.count() == m_newAngles.count());
+}
+
+void KoShapeRotateCommand::execute() {
+    for(int i=0; i < m_shapes.count(); i++) {
+        m_shapes.at(i)->repaint();
+        m_shapes.at(i)->rotate( m_newAngles.at(i) );
+        m_shapes.at(i)->repaint();
+    }
+}
+
+void KoShapeRotateCommand::unexecute() {
+    for(int i=0; i < m_shapes.count(); i++) {
+        m_shapes.at(i)->repaint();
+        m_shapes.at(i)->rotate( m_previousAngles.at(i) );
+        m_shapes.at(i)->repaint();
+    }
+}
+
+QString KoShapeRotateCommand::name () const {
+    return "Rotate";
+}
+
+
+KoShapeSizeCommand::KoShapeSizeCommand(const KoSelectionSet &shapes, QList<QSizeF> &previousSizes, QList<QSizeF> &newSizes)
+: m_previousSizes(previousSizes)
+, m_newSizes(newSizes)
+{
+    m_shapes = shapes.toList();
+    Q_ASSERT(m_shapes.count() == m_previousSizes.count());
+    Q_ASSERT(m_shapes.count() == m_newSizes.count());
+}
+
+void KoShapeSizeCommand::execute () {
+    int i=0;
+    foreach(KoShape *shape, m_shapes) {
+        shape->repaint();
+        shape->resize(m_newSizes[i++]);
+        shape->repaint();
+    }
+}
+
+void KoShapeSizeCommand::unexecute () {
+    int i=0;
+    foreach(KoShape *shape, m_shapes) {
+        shape->repaint();
+        shape->resize(m_previousSizes[i++]);
+        shape->repaint();
+    }
+}
+
+QString KoShapeSizeCommand::name () const {
+}
+
+
+KoGroupShapesCommand::KoGroupShapesCommand(KoShapeContainer *container, QList<KoShape *> shapes, QList<bool> clipped)
+: m_shapes(shapes)
+, m_clipped(clipped)
+, m_container(container)
+{
+    Q_ASSERT(m_clipped.count() == m_shapes.count());
+}
+
+KoGroupShapesCommand::KoGroupShapesCommand(KoShapeGroup *container, QList<KoShape *> shapes)
+: m_shapes(shapes)
+, m_container(container)
+{
+    for(int i=m_shapes.count(); i > 0; i--)
+        m_clipped.append(false);
+}
+
+KoGroupShapesCommand::KoGroupShapesCommand() {
+}
+
+void KoGroupShapesCommand::execute () {
+    foreach(KoShape *shape, m_shapes) {
+        m_container->addChild(shape);
+        shape->setPosition(shape->position() - m_container->position());
+    }
+}
+
+void KoGroupShapesCommand::unexecute () {
+    foreach(KoShape *shape, m_shapes) {
+        m_container->removeChild(shape);
+        shape->setPosition(shape->position() + m_container->position());
+    }
+}
+
+QString KoGroupShapesCommand::name () const {
+    return "Group Shapes";
+}
+
+
+KoUngroupShapesCommand::KoUngroupShapesCommand(KoShapeContainer *container, QList<KoShape *> shapes)
+: KoGroupShapesCommand()
+{
+    m_shapes = shapes;
+    m_container = container;
+    foreach(KoShape *shape, m_shapes) {
+        m_clipped.append( m_container->childClipped(shape) );
+    }
+}
+
+void KoUngroupShapesCommand::execute () {
+    KoGroupShapesCommand::unexecute();
+}
+
+void KoUngroupShapesCommand::unexecute () {
+    KoGroupShapesCommand::execute();
+}
+
+QString KoUngroupShapesCommand::name () const {
+    return "Ungroup shapes";
+}
+
+KoShapeCreateCommand::KoShapeCreateCommand( KoShapeControllerInterface *controller, KoShape *shape )
+: m_controller( controller )
+, m_shape( shape )
+, m_deleteShape( true )
+{
+}
+
+KoShapeCreateCommand::~KoShapeCreateCommand() {
+    if( m_shape && m_deleteShape )
+        delete m_shape;
+}
+
+void KoShapeCreateCommand::execute () {
+    if( ! m_shape || ! m_controller )
+        return;
+
+    m_controller->addShape( m_shape );
+    m_deleteShape = false;
+}
+
+void KoShapeCreateCommand::unexecute () {
+    if( ! m_shape || ! m_controller )
+        return;
+
+    m_controller->removeShape( m_shape );
+    m_deleteShape = true;
+}
+
+QString KoShapeCreateCommand::name () const {
+    return "Create shape";
+}

libs/flake/KoCommand.h

+/* This file is part of the KDE project
+ * Copyright (C) 2006 Thomas Zander <zander@kde.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef KOCommand_h
+#define KOCommand_h
+
+#include <kcommand.h>
+
+#include <KoSelection.h>
+
+#include <QList>
+#include <QPointF>
+
+class KoShape;
+class KoShapeGroup;
+class KoShapeContainer;
+class KoShapeControllerInterface;
+class QString;
+
+/// The undo / redo command for shape moving.
+class KoShapeMoveCommand : public KCommand {
+public:
+    /**
+     * Constructor.
+     * @param shapes the set of objects that are moved.
+     * @param previousPositions the known set of previous positions for each of the objects.
+     *  this list naturally must have the same amount of items as the shapes set.
+     * @param newPositions the new positions for the shapes.
+     *  this list naturally must have the same amount of items as the shapes set.
+     */
+    KoShapeMoveCommand(const KoSelectionSet &shapes, QList<QPointF> &previousPositions, QList<QPointF> &newPositions);
+    void execute ();
+    void unexecute ();
+    QString name () const;
+
+private:
+    QList<KoShape*> m_shapes;
+    QList<QPointF> m_previousPositions, m_newPositions;
+};
+
+/// The undo / redo command for shape rotating.
+class KoShapeRotateCommand : public KCommand {
+public:
+    /**
+     * Comand to rotate a selection of shapes.  Note that it just alters the rotated
+     * property of those shapes, and nothing more.
+     * @param shapes all the shapes that should be rotated
+     * @param previousAngles a list with the same amount of items as shapes with the
+     *        old rotation angles
+     * @param newAngles a list with the same amount of items as shapes with the new angles.
+     */
+    KoShapeRotateCommand(const KoSelectionSet &shapes, QList<double> &previousAngles, QList<double> &newAngles);
+    void execute ();
+    void unexecute ();
+    QString name () const;
+private:
+    QList<KoShape*> m_shapes;
+    QList<double> m_previousAngles, m_newAngles;
+};
+
+/// The undo / redo command for shape sizing.
+class KoShapeSizeCommand : public KCommand {
+public:
+    KoShapeSizeCommand(const KoSelectionSet &shapes, QList<QSizeF> &previousSizes, QList<QSizeF> &newSizes);
+    void execute ();
+    void unexecute ();
+    QString name () const;
+private:
+    QList<KoShape*> m_shapes;
+    QList<QSizeF> m_previousSizes, m_newSizes;
+};
+
+/// The undo / redo command for grouping shapes
+class KoGroupShapesCommand : public KCommand {
+public:
+    /**
+     * Command to group a set of shapes into a predefined container.
+     * @param container the container to group the shapes under.
+     * @param shapes a list of all the shapes that should be grouped.
+     * @param clipped a list of the same length as the shapes list with one bool for each shape.
+     *      See KoShapeContainer::childClipped()
+     */
+    KoGroupShapesCommand(KoShapeContainer *container, QList<KoShape *> shapes, QList<bool> clipped);
+    /**
+     * Command to group a set of shapes into a predefined container.
+     * Convenience constructor since KoShapeGroup does not allow clipping.
+     * @param container the group to group the shapes under.
+     * @param shapes a list of all the shapes that should be grouped.
+     */
+    KoGroupShapesCommand(KoShapeGroup *container, QList<KoShape *> shapes);
+    virtual ~KoGroupShapesCommand() { };
+    virtual void execute ();
+    virtual void unexecute ();
+    virtual QString name () const;
+
+protected:
+    KoGroupShapesCommand(); ///< protected constructor for child classes
+    QList<KoShape*> m_shapes; ///<list of shapes to be grouped
+    QList<bool> m_clipped; ///< list of booleas to specify the shape of the same index to eb clipped
+    KoShapeContainer *m_container; ///< the container where the grouping should be for.
+};
+
+/// The undo / redo command for ungrouping shapes
+class KoUngroupShapesCommand : public KoGroupShapesCommand {
+public:
+    /**
+     * Command to ungroup a set of shapes from one parent container.
+     * @param container the group to ungroup the shapes from.
+     * @param shapes a list of all the shapes that should be ungrouped.
+     */
+    KoUngroupShapesCommand(KoShapeContainer *container, QList<KoShape *> shapes);
+    void execute ();
+    void unexecute ();
+    QString name () const;
+};
+
+/// The undo / redo command for creating shapes
+class KoShapeCreateCommand : public KCommand {
+public:
+    KoShapeCreateCommand( KoShapeControllerInterface *controller, KoShape *shape );
+    virtual ~KoShapeCreateCommand();
+    void execute ();
+    void unexecute ();
+    virtual QString name () const;
+protected:
+    KoShapeControllerInterface *m_controller;
+    KoShape *m_shape;
+    bool m_deleteShape;
+};
+
+#endif

libs/flake/KoFlake.h

+/* This file is part of the KDE project
+ * Copyright (C) 2006 Thomas Zander <zander@kde.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * \mainpage
+ * The Flake library is a low level library for all kinds of graphical content
+ * to be placed on any KOffice canvas. This includes a line to text-areas or
+ * even movies.  Just as important, this library will include tools to manipulate
+ * the graphical content. At least at the level of Flake objects.  This goes from
+ * moving/rotating the object to a basis for complex brushes for a paint program.
+ * <p>Use KoShape as a base object for any application-specific graphical
+ * content, and extend KoShapeContainer for objects that can contain others.
+ * <p>KoShape is the base class for all flake objects. Flake objects extend it
+ * to allow themselves to be manipulated by the KoTool s. The content of such an
+ * object is independent and based on the model of the data this object represents.
+ */
+
+/**
+ * Flake reference
+ */
+class KoFlake {