From 47d455dd55be855e4cc691c32f687f723d9247ee Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: 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 --- kcoloredit/paletteviewscrolledarea.h | 162 +++++++++++++++++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100644 kcoloredit/paletteviewscrolledarea.h (limited to 'kcoloredit/paletteviewscrolledarea.h') diff --git a/kcoloredit/paletteviewscrolledarea.h b/kcoloredit/paletteviewscrolledarea.h new file mode 100644 index 00000000..18bbae2b --- /dev/null +++ b/kcoloredit/paletteviewscrolledarea.h @@ -0,0 +1,162 @@ +/*************************************************************************** + paletteviewscrolledarea.h + ------------------- + begin : Sun Jul 17 2000 + copyright : (C) 2000 by Artur Rataj + email : art@zeus.polsl.gliwice.pl + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#ifndef PALETTEVIEWSCROLLEDAREA_H +#define PALETTEVIEWSCROLLEDAREA_H + +#include +#include + +#include "palette.h" + +class KColorEditDoc; +class KColorEditView; +class QScrollBar; + +/** This widget draws the palette view scrolled area. + * It has paste and cut features. + * @author Artur Rataj + */ +class PaletteViewScrolledArea : public QFrame { + Q_OBJECT + +public: + /** Constructs the widget */ + PaletteViewScrolledArea(const int defaultCellWidth, const int defaultCellHeight, + const int cellSpacing, QScrollBar* scrollBar, + QScrollBar* hScrollBar, KColorEditView* view, + QWidget* parent = 0, const char* name = 0); + ~PaletteViewScrolledArea(); + /** Sets cells sizes and then calls repaintPalette() */ + void redraw(); + +public slots: + /** Sets if the cursor follows a chosen color */ + void slotCursorFollowsChosenColor(bool follows); + /** Sets whether to view color names */ + void slotViewColorNames(bool viewColorNames); + +protected: + /** The scrollbar widget */ + QScrollBar* scrollBar; + /** The horizontal scrollbar widget */ + QScrollBar* hScrollBar; + /** Pointer to the document view */ + KColorEditView* view; + /** Default cell width */ + int defaultCellWidth; + /** Default cell height */ + int defaultCellHeight; + /** Cell spacing */ + int cellSpacing; + /** Cell width */ + int cellWidth; + /** Cell height */ + int cellHeight; + /** The number of cells in a row */ + int cellsInRow; + /** The number of rows */ + int rowsNum; + /** A row width */ + int rowWidth; + /** A row height */ + int rowHeight; + /** Total height of cells table */ + int cellTableHeight; + /** A position at which selection started */ + int selectionBegin; + /** A position at which selection ended */ + int selectionEnd; + /** Auto scroll timeout timer */ + QTimer* scrollTimeoutTimer; + /** Whether there is auto scroll timeout */ + bool scrollTimeout; + /** Whether a mouse has been pressed over the palette and not yet released */ + bool mousePressed; + /** Whether the cursor is being positioned */ + bool cursorPositioning; + /** A color drag point */ + QPoint colorDragPoint; + /** Whether a color has been chosen and it is not dragged */ + bool colorChosen; + /** Whether the cursor follows a chosen color */ + bool cursorFollowsChosenColor; + /** Whether to view color names */ + bool viewColorNames; + + /** @return The viewed palette */ + Palette* palette() const; + /** Computes the size of cell, number of cells in a row and + * height of cells table, depending on colors number and + * visible area width + */ + void setCellsSizes(); + /** repaints the palette */ + void repaintPalette(); + /** @return A color index at a given position, -1 if none */ + int colorIndex(const QPoint& point) const; + /** @return A color at a given position */ + QColor color(const QPoint& point) const; + /** sets a palette cursor position */ + void setCursorPos(const int pos); + /** Sets a cursor position due to a mouse position. + * If not in cursor positioning, the cursor is set + * only if mouse points to a possible cursor location + * @return If the mouse points to a cursor location + */ + bool setCursorPos(const int x, const int y); + /** @return a palette cursor position */ + int cursorPos() const; + /** sets a palette selection */ + void setSelection(const int min, const int max); + /** @return a palette selection lesser position, or equal position + * if no colors are selected + */ + int selectionMin() const; + /** @return a palette selection greater position, or equal position + * if no colors are selected + */ + int selectionMax() const; + /** checks whether to scrolls the palette if a mouse position + * is outside it + */ + void checkSelectionAutoScroll(const int mousePosY); + /** The widget painting */ + void paintEvent(QPaintEvent* event); + /** Used to get mouse press events coordinates */ + void mousePressEvent(QMouseEvent* event); + /** Used to get mouse move events coordinates */ + void mouseMoveEvent(QMouseEvent* event); + /** Used to get mouse release events coordinates */ + void mouseReleaseEvent(QMouseEvent* event); + /** If there is a scroll timeout, scrolls palette, + * sets scrollTimeout to false and resets scroll timeout timer + */ + void scrollPalette(const int amount, const int timeout); + /** @return The viewed document */ + KColorEditDoc* document() const; + /** Chooses a color to the color selector */ + void chooseColor(Color* const color); + /** scrolls the scrolled area */ + void scrollBy(const int y); + +protected slots: + /** called if there is a scroll timeout, sets scrollTimeout to true */ + void slotScrollTimeout(); +}; + +#endif /* !defined( PALETTEVIEWSCROLLEDAREA_H ) */ -- cgit v1.2.3