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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kolourpaint/tools/kptoolselection.h
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+
+/*
+ Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#ifndef __kp_tool_selection_h__
+#define __kp_tool_selection_h__
+
+
+#include <qpixmap.h>
+#include <qpoint.h>
+#include <qpointarray.h>
+#include <qrect.h>
+
+#include <kpcolor.h>
+#include <kpcommandhistory.h>
+#include <kpselection.h>
+#include <kpselectiontransparency.h>
+#include <kptool.h>
+
+
+class QPoint;
+class QRect;
+class QTimer;
+
+class kpMainWindow;
+class kpSelection;
+
+class kpToolSelectionCreateCommand;
+class kpToolSelectionMoveCommand;
+class kpToolSelectionPullFromDocumentCommand;
+class kpToolSelectionResizeScaleCommand;
+class kpToolWidgetOpaqueOrTransparent;
+
+
+class kpToolSelection : public kpTool
+{
+Q_OBJECT
+
+public:
+ enum Mode {Rectangle, Ellipse, FreeForm, Text};
+
+ kpToolSelection (Mode mode,
+ const QString &text, const QString &description,
+ int key,
+ kpMainWindow *mainWindow, const char *name);
+ virtual ~kpToolSelection ();
+
+ void setMode (Mode mode) { m_mode = mode; }
+
+private:
+ void pushOntoDocument ();
+
+protected:
+ bool onSelectionToMove () const;
+ int onSelectionResizeHandle () const;
+ bool onSelectionToSelectText () const;
+
+public:
+ QString haventBegunDrawUserMessage () const;
+
+ virtual void begin ();
+ virtual void end ();
+ virtual void reselect ();
+
+ virtual bool careAboutModifierState () const { return true; }
+ bool controlOrShiftPressed () const { return (m_controlPressed || m_shiftPressed); }
+
+ virtual void beginDraw ();
+protected:
+ const QCursor &cursor () const;
+public:
+ virtual void hover (const QPoint &point);
+protected:
+ void popupRMBMenu ();
+ void setSelectionBorderForMove ();
+protected slots:
+ void slotRMBMoveUpdateGUI ();
+ void delayedDraw ();
+public:
+ virtual void draw (const QPoint &thisPoint, const QPoint &lastPoint,
+ const QRect &normalizedRect);
+ virtual void cancelShape ();
+ virtual void releasedAllButtons ();
+ virtual void endDraw (const QPoint &thisPoint, const QRect &normalizedRect);
+
+protected:
+ virtual void keyPressEvent (QKeyEvent *e);
+
+protected:
+ void selectionTransparencyChanged (const QString &name);
+
+protected slots:
+ virtual void slotIsOpaqueChanged ();
+ virtual void slotBackgroundColorChanged (const kpColor &color);
+ virtual void slotColorSimilarityChanged (double similarity, int);
+
+protected:
+ Mode m_mode;
+
+ QPoint m_startDragFromSelectionTopLeft;
+ enum DragType
+ {
+ Unknown, Create, Move, SelectText, ResizeScale
+ };
+ DragType m_dragType;
+ bool m_dragHasBegun;
+ bool m_hadSelectionBeforeDrag;
+ int m_resizeScaleType;
+
+ kpToolSelectionPullFromDocumentCommand *m_currentPullFromDocumentCommand;
+ kpToolSelectionMoveCommand *m_currentMoveCommand;
+ bool m_currentMoveCommandIsSmear;
+ kpToolSelectionResizeScaleCommand *m_currentResizeScaleCommand;
+ kpToolWidgetOpaqueOrTransparent *m_toolWidgetOpaqueOrTransparent;
+
+ kpToolSelectionCreateCommand *m_currentCreateTextCommand;
+ bool m_cancelledShapeButStillHoldingButtons;
+
+ QTimer *m_createNOPTimer, *m_RMBMoveUpdateGUITimer;
+};
+
+class kpToolSelectionCreateCommand : public kpNamedCommand
+{
+public:
+ // (if fromSelection doesn't have a pixmap, it will only recreate the region)
+ kpToolSelectionCreateCommand (const QString &name, const kpSelection &fromSelection,
+ kpMainWindow *mainWindow);
+ virtual ~kpToolSelectionCreateCommand ();
+
+ virtual int size () const;
+
+ static bool nextUndoCommandIsCreateBorder (kpCommandHistory *commandHistory);
+
+ const kpSelection *fromSelection () const;
+ void setFromSelection (const kpSelection &fromSelection);
+
+ virtual void execute ();
+ virtual void unexecute ();
+
+private:
+ kpSelection *m_fromSelection;
+
+ int m_textRow, m_textCol;
+};
+
+class kpToolSelectionPullFromDocumentCommand : public kpNamedCommand
+{
+public:
+ kpToolSelectionPullFromDocumentCommand (const QString &name, kpMainWindow *mainWindow);
+ virtual ~kpToolSelectionPullFromDocumentCommand ();
+
+ virtual int size () const;
+
+ virtual void execute ();
+ virtual void unexecute ();
+
+private:
+ kpColor m_backgroundColor;
+ kpSelection *m_originalSelectionRegion;
+};
+
+class kpToolSelectionTransparencyCommand : public kpNamedCommand
+{
+public:
+ kpToolSelectionTransparencyCommand (const QString &name,
+ const kpSelectionTransparency &st,
+ const kpSelectionTransparency &oldST,
+ kpMainWindow *mainWindow);
+ virtual ~kpToolSelectionTransparencyCommand ();
+
+ virtual int size () const;
+
+ virtual void execute ();
+ virtual void unexecute ();
+
+private:
+ kpSelectionTransparency m_st, m_oldST;
+};
+
+class kpToolSelectionMoveCommand : public kpNamedCommand
+{
+public:
+ kpToolSelectionMoveCommand (const QString &name, kpMainWindow *mainWindow);
+ virtual ~kpToolSelectionMoveCommand ();
+
+ kpSelection originalSelection () const;
+
+ virtual int size () const;
+
+ virtual void execute ();
+ virtual void unexecute ();
+
+ void moveTo (const QPoint &point, bool moveLater = false);
+ void moveTo (int x, int y, bool moveLater = false);
+ void copyOntoDocument ();
+ void finalize ();
+
+private:
+ QPoint m_startPoint, m_endPoint;
+
+ QPixmap m_oldDocumentPixmap;
+
+ // area of document affected (not the bounding rect of the sel)
+ QRect m_documentBoundingRect;
+
+ QPointArray m_copyOntoDocumentPoints;
+};
+
+// You could subclass kpToolResizeScaleCommand and/or
+// kpToolSelectionMoveCommand instead if want a disaster.
+// This is different to kpToolResizeScaleCommand in that:
+//
+// 1. This only works for selections.
+// 2. This is designed for the size and position to change several times
+// before execute().
+//
+class kpToolSelectionResizeScaleCommand : public QObject,
+ public kpNamedCommand
+{
+Q_OBJECT
+
+public:
+ kpToolSelectionResizeScaleCommand (kpMainWindow *mainWindow);
+ virtual ~kpToolSelectionResizeScaleCommand ();
+
+ virtual int size () const;
+
+public:
+ kpSelection originalSelection () const;
+
+ QPoint topLeft () const;
+ void moveTo (const QPoint &point);
+
+ int width () const;
+ int height () const;
+ void resize (int width, int height, bool delayed = false);
+
+ // (equivalent to resize() followed by moveTo() but faster)
+ void resizeAndMoveTo (int width, int height, const QPoint &point,
+ bool delayed = false);
+
+protected:
+ void killSmoothScaleTimer ();
+
+ // If <delayed>, does a fast, low-quality scale and then calls itself
+ // with <delayed> unset for a smooth scale, a short time later.
+ // If acting on a text box, <delayed> is ignored.
+ void resizeScaleAndMove (bool delayed);
+
+protected slots:
+ void resizeScaleAndMove (/*delayed = false*/);
+
+public:
+ void finalize ();
+
+public:
+ virtual void execute ();
+ virtual void unexecute ();
+
+protected:
+ kpSelection m_originalSelection;
+
+ QPoint m_newTopLeft;
+ int m_newWidth, m_newHeight;
+
+ QTimer *m_smoothScaleTimer;
+};
+
+class kpToolSelectionDestroyCommand : public kpNamedCommand
+{
+public:
+ kpToolSelectionDestroyCommand (const QString &name, bool pushOntoDocument,
+ kpMainWindow *mainWindow);
+ virtual ~kpToolSelectionDestroyCommand ();
+
+ virtual int size () const;
+
+ virtual void execute ();
+ virtual void unexecute ();
+
+private:
+ bool m_pushOntoDocument;
+ QPixmap m_oldDocPixmap;
+ kpSelection *m_oldSelection;
+
+ int m_textRow, m_textCol;
+};
+
+#endif // __kp_tool_selection_h__