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Diffstat (limited to 'tdeui/kcolordialog.h')
| -rw-r--r-- | tdeui/kcolordialog.h | 496 |
1 files changed, 496 insertions, 0 deletions
diff --git a/tdeui/kcolordialog.h b/tdeui/kcolordialog.h new file mode 100644 index 000000000..7a1a66d6d --- /dev/null +++ b/tdeui/kcolordialog.h @@ -0,0 +1,496 @@ +/* This file is part of the KDE libraries + Copyright (C) 1997 Martin Jones (mjones@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. +*/ +//---------------------------------------------------------------------- +// KDE color selection dialog. + +// layout management added Oct 1997 by Mario Weilguni +// <mweilguni@sime.com> + +#ifndef KDELIBS_KCOLORDIALOG_H +#define KDELIBS_KCOLORDIALOG_H + +#ifdef Q_WS_QWS +// FIXME(E): Do we need the KColorDialog extra functionality in Qt Embedded? +#include <tqcolordialog.h> +#define KColorDialog QColorDialog +#else //UNIX, WIN32 +#include <kdialogbase.h> +#include <tqframe.h> +#include <tqpixmap.h> +#include <tqgridview.h> + +#include "kselect.h" + +class TQComboBox; +class TQLineEdit; +class KListBox; +class KPalette; +class KColorCells; + + +/** + * Widget for Hue/Saturation colour selection. + * + * The actual values can be fetched using the inherited xValue and yValue + * methods. + * + * \image html khsselector.png "KDE Hue/Saturation Selection Widget" + * + * @see KXYSelector, KValueSelector, KColorDialog + * @author Martin Jones (mjones@kde.org) +*/ +class KDEUI_EXPORT KHSSelector : public KXYSelector +{ + Q_OBJECT + +public: + /** + * Constructs a hue/saturation selection widget. + */ + KHSSelector( TQWidget *parent=0, const char *name=0 ); + +protected: + /** + * Draws the contents of the widget on a pixmap, + * which is used for buffering. + */ + virtual void drawPalette( TQPixmap *pixmap ); + virtual void resizeEvent( TQResizeEvent * ); + + /** + * Reimplemented from KXYSelector. This drawing is + * buffered in a pixmap here. As real drawing + * routine, drawPalette() is used. + */ + virtual void drawContents( TQPainter *painter ); + +private: + void updateContents(); + TQPixmap pixmap; + +protected: + virtual void virtual_hook( int id, void* data ); +private: + class KHSSelectorPrivate; + KHSSelectorPrivate *d; +}; + + +class KValueSelectorPrivate; +/** + * Widget for color value selection. + * + * @see KHSSelector, KColorDialog + * @author Martin Jones (mjones@kde.org) + */ +class KDEUI_EXPORT KValueSelector : public KSelector +{ + Q_OBJECT + +public: + /** + * Constructs a widget for color selection. + */ + KValueSelector( TQWidget *parent=0, const char *name=0 ); + /** + * Constructs a widget for color selection with a given orientation + */ + KValueSelector( Orientation o, TQWidget *parent = 0, const char *name = 0 ); + + int hue() const + { return _hue; } + void setHue( int h ) + { _hue = h; } + int saturation() const + { return _sat; } + void setSaturation( int s ) + { _sat = s; } + + void updateContents(); +protected: + /** + * Draws the contents of the widget on a pixmap, + * which is used for buffering. + */ + virtual void drawPalette( TQPixmap *pixmap ); + virtual void resizeEvent( TQResizeEvent * ); + + /** + * Reimplemented from KSelector. The drawing is + * buffered in a pixmap here. As real drawing + * routine, drawPalette() is used. + */ + virtual void drawContents( TQPainter *painter ); + +private: + int _hue; + int _sat; + TQPixmap pixmap; + +protected: + virtual void virtual_hook( int id, void* data ); +private: + class KValueSelectorPrivate; + KValueSelectorPrivate *d; +}; + + +/** + * A color class that preserves both RGB and HSV values. + * + * This is + * unlike TQColor which only preserves RGB values and recalculates HSV + * values. The TQColor behavior leads to an accumulation of rounding + * errors when working in the HSV color space. + * + * @author Waldo Bastian <bastian@kde.org> + **/ +class KDEUI_EXPORT KColor : public TQColor +{ +public: + KColor(); + KColor( const KColor &col); + KColor( const TQColor &col); + + KColor& operator=( const KColor& col); + + bool operator==( const KColor& col) const; + + void setHsv(int _h, int _s, int _v); + void setRgb(int _r, int _g, int _b); + + void rgb(int *_r, int *_g, int *_b) const; + void hsv(int *_h, int *_s, int *_v) const; +protected: + int h; + int s; + int v; + int r; + int g; + int b; + +private: + class KColorPrivate; + KColorPrivate *d; +}; + +/** + * A color palette in table form. + * + * @author Waldo Bastian <bastian@kde.org> + **/ +class KDEUI_EXPORT KPaletteTable : public TQWidget +{ + Q_OBJECT +public: + KPaletteTable( TQWidget *parent, int minWidth=210, int cols = 16); + ~KPaletteTable(); + void addToCustomColors( const TQColor &); + void addToRecentColors( const TQColor &); + TQString palette() const; +public slots: + void setPalette(const TQString &paletteName); +signals: + void colorSelected( const TQColor &, const TQString & ); + void colorDoubleClicked( const TQColor &, const TQString & ); + +protected slots: + void slotColorCellSelected( int ); + void slotColorCellDoubleClicked( int ); + void slotColorTextSelected( const TQString &colorText ); + void slotSetPalette( const TQString &_paletteName ); + void slotShowNamedColorReadError( void ); + +protected: + void readNamedColor( void ); + +protected: + /// \deprecated + TQString i18n_customColors; /// ### KDE4: remove + /// \deprecated + TQString i18n_recentColors; /// ### KDE4: remove + TQString i18n_namedColors; + TQComboBox *combo; + KColorCells *cells; + TQScrollView *sv; + KListBox *mNamedColorList; + KPalette *mPalette; + int mMinWidth; + int mCols; + +private: + + virtual void setPalette(const TQPalette& p) { TQWidget::setPalette(p); } +protected: + virtual void virtual_hook( int id, void* data ); +private: + class KPaletteTablePrivate; + KPaletteTablePrivate *d; +}; + + +/** +* A table of editable color cells. +* +* @author Martin Jones <mjones@kde.org> +*/ +class KDEUI_EXPORT KColorCells : public TQGridView +{ + Q_OBJECT +public: + KColorCells( TQWidget *parent, int rows, int cols ); + ~KColorCells(); + + void setColor( int colNum, const TQColor &col ); + TQColor color( int indx ) const + { return colors[indx]; } + int numCells() const + { return numRows() * numCols(); } + + void setShading(bool _shade) { shade = _shade; } + + void setAcceptDrags(bool _acceptDrags) { acceptDrags = _acceptDrags; } + + int getSelected() const + { return selected; } + + signals: + void colorSelected( int col ); + void colorDoubleClicked( int col ); + +protected: + virtual void paintCell( TQPainter *painter, int row, int col ); + virtual void resizeEvent( TQResizeEvent * ); + virtual void mouseReleaseEvent( TQMouseEvent * ); + virtual void mousePressEvent( TQMouseEvent * ); + virtual void mouseMoveEvent( TQMouseEvent * ); + virtual void dragEnterEvent( TQDragEnterEvent *); + virtual void dropEvent( TQDropEvent *); + virtual void mouseDoubleClickEvent( TQMouseEvent * ); + + int posToCell(const TQPoint &pos, bool ignoreBorders=false); + + TQColor *colors; + bool inMouse; + TQPoint mPos; + int selected; + bool shade; + bool acceptDrags; + +protected: + virtual void virtual_hook( int id, void* data ); +private: + class KColorCellsPrivate; + KColorCellsPrivate *d; +}; + +/** + * @short A color displayer. + * + * The KColorPatch widget is a (usually small) widget showing + * a selected color e. g. in the KColorDialog. It + * automatically handles drag and drop from and on the widget. + * + */ +class KDEUI_EXPORT KColorPatch : public TQFrame +{ + Q_OBJECT +public: + KColorPatch( TQWidget *parent ); + virtual ~KColorPatch(); + + void setColor( const TQColor &col ); + +signals: + void colorChanged( const TQColor&); + +protected: + virtual void drawContents( TQPainter *painter ); + virtual void mouseMoveEvent( TQMouseEvent * ); + virtual void dragEnterEvent( TQDragEnterEvent *); + virtual void dropEvent( TQDropEvent *); + +private: + TQColor color; + uint pixel; + int colContext; + +protected: + virtual void virtual_hook( int id, void* data ); +private: + class KColorPatchPrivate; + KColorPatchPrivate *d; +}; + +/** + * @short A color selection dialog. + * + * <b>Features:</b>\n + * + * @li Color selection from a wide range of palettes. + * @li Color selection from a palette of H vs S and V selectors. + * @li Direct input of HSV or RGB values. + * @li Saving of custom colors + * + * In most cases, you will want to use the static method KColorDialog::getColor(). + * This pops up the dialog (with an initial selection provided by you), lets the + * user choose a color, and returns. + * + * Example: + * + * \code + * TQColor myColor; + * int result = KColorDialog::getColor( myColor ); + * if ( result == KColorDialog::Accepted ) + * ... + * \endcode + * + * @image html kcolordialog.png "KDE Color Dialog" + * + * The color dialog is really a collection of several widgets which can + * you can also use separately: the quadratic plane in the top left of + * the dialog is a KXYSelector. Right next to it is a KHSSelector + * for choosing hue/saturation. + * + * On the right side of the dialog you see a KPaletteTable showing + * up to 40 colors with a combo box which offers several predefined + * palettes or a palette configured by the user. The small field showing + * the currently selected color is a KColorPatch. + * + **/ +class KDEUI_EXPORT KColorDialog : public KDialogBase +{ + Q_OBJECT + + public: + /** + * Constructs a color selection dialog. + */ + KColorDialog( TQWidget *parent = 0L, const char *name = 0L, + bool modal = false ); + /** + * Destroys the color selection dialog. + */ + ~KColorDialog(); + + /** + * Returns the currently selected color. + **/ + TQColor color() const; + + /** + * Creates a modal color dialog, let the user choose a + * color, and returns when the dialog is closed. + * + * The selected color is returned in the argument @p theColor. + * + * @returns TQDialog::result(). + */ + static int getColor( TQColor &theColor, TQWidget *parent=0L ); + + /** + * Creates a modal color dialog, lets the user choose a + * color, and returns when the dialog is closed. + * + * The selected color is returned in the argument @p theColor. + * + * This version takes a @p defaultColor argument, which sets the color + * selected by the "default color" checkbox. When this checkbox is checked, + * the invalid color (TQColor()) is returned into @p theColor. + * + * @returns TQDialog::result(). + */ + static int getColor( TQColor &theColor, const TQColor& defaultColor, TQWidget *parent=0L ); + + /** + * Gets the color from the pixel at point p on the screen. + */ + static TQColor grabColor(const TQPoint &p); + + /** + * Call this to make the dialog show a "Default Color" checkbox. + * If this checkbox is selected, the dialog will return an "invalid" color (TQColor()). + * This can be used to mean "the default text color", for instance, + * the one with the KDE text color on screen, but black when printing. + */ + void setDefaultColor( const TQColor& defaultCol ); + + /** + * @return the value passed to setDefaultColor + */ + TQColor defaultColor() const; + + public slots: + /** + * Preselects a color. + */ + void setColor( const TQColor &col ); + + signals: + /** + * Emitted when a color is selected. + * Connect to this to monitor the color as it as selected if you are + * not running modal. + */ + void colorSelected( const TQColor &col ); + + private slots: + void slotRGBChanged( void ); + void slotHSVChanged( void ); + void slotHtmlChanged( void ); + void slotHSChanged( int, int ); + void slotVChanged( int ); + void slotColorSelected( const TQColor &col ); + void slotColorSelected( const TQColor &col, const TQString &name ); + void slotColorDoubleClicked( const TQColor &col, const TQString &name ); + void slotColorPicker(); + void slotAddToCustomColors(); + void slotDefaultColorClicked(); + /** + * Write the settings of the dialog to config file. + **/ + void slotWriteSettings(); + + private: + /** + * Read the settings for the dialog from config file. + **/ + void readSettings(); + + void setRgbEdit( const KColor &col ); + void setHsvEdit( const KColor &col ); + void setHtmlEdit( const KColor &col ); + void _setColor( const KColor &col, const TQString &name=TQString::null ); + void showColor( const KColor &color, const TQString &name ); + + protected: + virtual void mouseReleaseEvent( TQMouseEvent * ); + virtual void keyPressEvent( TQKeyEvent * ); + virtual bool eventFilter( TQObject *obj, TQEvent *ev ); + + protected: + virtual void virtual_hook( int id, void* data ); + private: + class KColorDialogPrivate; + KColorDialogPrivate *d; +}; + +#endif // !Q_WS_QWS +#endif // KDELIBS_KCOLORDIALOG_H + |