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Diffstat (limited to 'kdesktop/kshadowsettings.h')
| -rw-r--r-- | kdesktop/kshadowsettings.h | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/kdesktop/kshadowsettings.h b/kdesktop/kshadowsettings.h new file mode 100644 index 000000000..9b707a853 --- /dev/null +++ b/kdesktop/kshadowsettings.h @@ -0,0 +1,234 @@ +/* This file is proposed to be part of the KDE libraries. + * Copyright (C) 2003 Laur Ivan <laurivan@eircom.net> + * + * Many thanks to: + * - Tim Jansen <tim@tjansen.de> for the API updates and fixes. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License version 2 as published by the Free Software Foundation. + * + * 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 __FX_DATA +#define __FX_DATA + +#define SHADOW_CONFIG_ENTRY QString("ShadowParameters") +#define SHADOW_TEXT_COLOR QString("ShadowTextColor") +#define SHADOW_TEXT_BACKGROUND QString("ShadowTextBackground") + +// fallback configuration string +#define DEFAULT_SHADOW_CONFIGURATION QString("0,0,4.0,120.0,2,1,1,0,0,0") + +/** + * This class is the implementation of a structure for the + * various parameters required by the shadow class. + * + * One may afford this implementation since the shadow class is + * designed to be used as singleton for an application. + * @see KShadowEngine + * @author laur.ivan@corvil.com + * @since 3.2 + */ +class KShadowSettings +{ + public: + /** + * Specifies the order of the options. + * @see fromString + */ + enum ConfigurationOrder + { + OFFSET_X = 0, + OFFSET_Y = OFFSET_X + 1, + MULTIPLICATION_FACTOR = OFFSET_Y + 1, + MAX_OPACITY = MULTIPLICATION_FACTOR + 1, + THICKNESS = MAX_OPACITY + 1, + ALGORITHM = THICKNESS + 1, + SELECTION_TYPE = ALGORITHM + 1 + }; + + public: + /** + * The algorithm used. + */ + enum Algorithm + { + DefaultDecay = 1, ///< the default AXIS/DIAGONAL_FACTOR based alg + DoubleLinearDecay, ///< decay factor is 1/dx+dy + RadialDecay, ///< decay factor is 1/sqrt(dx*dx + dy*dy) + NoDecay ///< decay factor is 1 always + }; + + /** + * The selected method used. + */ + enum SelectionType + { + InverseVideoOnSelection = 0, ///< when selected, the halo is on I/Video + SelectionColorsOnSelection ///< the halo is made w/ selected colors + }; + + /** + * The default constructor. + * Creates an object with default settings for all the variabless. + */ + KShadowSettings(); + + // load/save methods + /** + * Loads the configuration from a string. + * @param the string to load from (comma-separated values) + * @see ConfigurationOrder + */ + virtual void fromString(const QString &s); + /** + * Saves the configuration to a string. + * @return the configuration (comma-separated values) + * @see ConfigurationOrder + */ + virtual QString toString() const; + + // get methods + /** + * Returns the x offset of the shadow. + * @return the x offset + */ + int offsetX() const; + + /** + * Returns the y offset of the shadow. + * @return the y offset + */ + int offsetY() const; + + /** + * Returns the multiplication factor. + * @return the multiplication factor + */ + double multiplicationFactor() const; + + /** + * Returns the maximum opacity of the shadow. + * @return the maximum opacity + */ + double maxOpacity() const; + + /** + * Returns the thickness. + * @return the thickness + */ + int thickness() const; + + /** + * Returns the used algorithm. + * @return the algorithm used + */ + Algorithm algorithm() const; + + /** + * Returns the selection type used. + * @return the selection type + */ + SelectionType selectionType() const; + + // set methods + /** + * Sets default values. + */ + virtual void setDefaults(); + + /** + * Sets the used algorithm. + * @param a the algorithm used + */ + virtual void setAlgorithm(Algorithm a); + + /** + * Sets the multiplication factor. + * @param mf the multiplication factor + */ + virtual void setMultiplicationFactor(double mf); + + /** + * Sets the maximum opacity of the shadow. + * @param mo the maximum opacity + */ + virtual void setMaxOpacity(double mo); + + /** + * Sets the x offset of the shadow. + * @param x the x offset + */ + virtual void setOffsetX(int x); + + /** + * Sets the y offset of the shadow. + * @param y the y offset + */ + virtual void setOffsetY(int y); + + /** + * Sets the thickness. + * @param t the thickness + */ + virtual void setThickness(int t); + + /** + * Sets the selection type used. + * @param s the selection type + */ + virtual void setSelectionType(SelectionType s); + + private: + + /* + * The employed algorithm (see fxshadow.h) + */ + Algorithm _algorithm; + + /** + * This is the multiplication factor for the resulted shadow + */ + double _multiplicationFactor; + + /** + * The maximum permitted opacity for the shadow + */ + double _maxOpacity; + + /* + * offsetX and offsetY are the x/y offsets of the shadow with + * the mention that 0,0 is a centered shadow. + */ + int _offsetX; + int _offsetY; + + /* + * The shadow thickness: + * shadow is this many pixels thicker than the text. + */ + int _thickness; + + /* + * If the value is InverseVideoOnSelection, then the fg/bg + * colours are swapped when the element is selected. + * Otherwise, the selected fg/bg colors are used for text + * as well + */ + SelectionType _selectionType; + + void *d; +}; + + +#endif |