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107 lines
3.7 KiB
107 lines
3.7 KiB
15 years ago
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/***************************************************************************
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gradientselection.h - description
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-------------------
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begin : Wed Jul 12 2000
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copyright : (C) 2000 by Artur Rataj
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email : art@zeus.polsl.gliwice.pl
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef GRADIENTSELECTION_H
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#define GRADIENTSELECTION_H
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#include <qwidget.h>
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#include <qcheckbox.h>
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#include <qpushbutton.h>
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#include <qbuttongroup.h>
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#include "kxycolorselector.h"
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#include "kzcolorselector.h"
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#include "color.h"
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/** A widget for selecting colors from gradients
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* @author Artur Rataj
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*/
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class GradientSelection : public QWidget {
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Q_OBJECT
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public:
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/** Constructs the widget */
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GradientSelection(QWidget *parent=0, const char *name=0);
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~GradientSelection();
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/** Enables or disables the color synchronize button */
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void enableSynchronizeColorButton(bool enable);
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signals:
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/** A signal that a color value has changed by edition */
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void valueChanged(Color*);
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/** Synchronizes the widget color */
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void synchronizeColor();
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public slots:
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/** Sets a color */
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void slotSetValue(Color* color);
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/** Whether to ignore the set value slot. Default is false. */
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void slotIgnoreSetValue(bool ignore);
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protected:
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/** Components indices. If the gradient selector shows one of them,
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* the two components selector should be in a mode indicated by a value
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* of the appropriate index
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*/
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enum { H_COMPONENT = KXYColorSelector::TYPE_VS,
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S_COMPONENT = KXYColorSelector::TYPE_HV,
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V_COMPONENT = KXYColorSelector::TYPE_HS };
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/** Variable global component checkbox */
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QCheckBox* variableCheckBox;
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/** Synchronize color button */
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QPushButton* synchronizeColorButton;
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/** HSV buttons button group widget */
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QButtonGroup hsvButtons;
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/** The two components selector */
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KXYColorSelector* xyColorSelector;
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/** The gradient selector */
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KZColorSelector* zColorSelector;
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/** Whether the two component color selector global component is variable */
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bool variableGlobalComponent;
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/** Whether to ignore the set value slot */
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bool ignoreSetValue;
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/** The selected color */
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Color color;
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/** The selected color H component */
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int hComponent;
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/** The selected color S component */
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int sComponent;
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/** The selected color V component */
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int vComponent;
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/** The gradient selector component index */
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int zColorSelectorComponentIndex;
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/** Updates two component selector colors */
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void updateXyColorSelector(const bool modeChanged);
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/** Updates gradient selector colors */
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void updateZColorSelector();
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protected slots:
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/** Sets color selection mode */
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void slotSetColorSelectionMode(int mode);
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/** Sets if the two component selector has a variable global component */
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void slotSetVariableGlobalComponent(bool variable);
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/** Notifies that the two component color selector pointer position changed */
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void slotXyColorSelectorPosChanged(int x, int y);
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/** Notifies that the gradient color selector pointer position changed */
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void slotZColorSelectorPosChanged(int y);
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/** sends synchronizeColor signal */
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void slotSynchronizeColor();
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};
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#endif
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