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/***************************************************************************
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* Copyright (C) 2003 by S<>astien Laot *
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* slaout@linux62.org *
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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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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef LINKLABEL_H
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#define LINKLABEL_H
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#include <tqframe.h>
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class TQString;
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class KURL;
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class TQColor;
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class TQLabel;
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class TQBoxLayout;
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class TQSpacerItem;
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class TQPushButton;
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class TQCheckBox;
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class TQComboBox;
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class KColorCombo2;
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class IconSizeCombo;
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class HTMLExporter;
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class HelpLabel;
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class TDECModule;
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/** Store the style of links
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* @author S<>astien Laot
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*/
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class LinkLook
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{
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public:
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enum Underlining { Always = 0, Never, OnMouseHover, OnMouseOutside };
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enum Preview { None = 0, IconSize, TwiceIconSize, ThreeIconSize };
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LinkLook(bool useLinkColor = true, bool canPreview = true);
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LinkLook(const LinkLook &other);
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void setLook( bool italic, bool bold, int underlining,
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TQColor color, TQColor hoverColor,
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int iconSize, int preview /*= None*/ );
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inline bool italic() const { return m_italic; }
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inline bool bold() const { return m_bold; }
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inline int underlining() const { return m_underlining; }
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inline TQColor color() const { return m_color; }
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inline TQColor hoverColor() const { return m_hoverColor; }
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inline int iconSize() const { return m_iconSize; }
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inline int preview() const { return m_preview; }
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inline bool useLinkColor() const { return m_useLinkColor; }
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inline bool canPreview() const { return m_canPreview; }
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/* Helpping Functions */
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bool underlineOutside() const { return underlining() == Always || underlining() == OnMouseOutside; }
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bool underlineInside() const { return underlining() == Always || underlining() == OnMouseHover; }
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bool previewEnabled() const { return canPreview() && preview() > None; }
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int previewSize() const;
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TQColor effectiveColor() const;
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TQColor effectiveHoverColor() const;
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TQColor defaultColor() const;
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TQColor defaultHoverColor() const;
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TQString toCSS(const TQString &cssClass, const TQColor &defaultTextColor) const;
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private:
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bool m_italic;
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bool m_bold;
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int m_underlining;
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TQColor m_color;
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TQColor m_hoverColor;
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int m_iconSize;
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int m_preview;
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bool m_useLinkColor;
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bool m_canPreview;
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public:
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/* Global Looks */
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static LinkLook *soundLook;
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static LinkLook *fileLook;
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static LinkLook *localLinkLook;
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static LinkLook *networkLinkLook;
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static LinkLook *launcherLook;
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/* Static method to get a LinkLook from an URL */
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static LinkLook* lookForURL(const KURL &url);
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};
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/** Used to represent links with icon and specific look
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* Note : This label will appear blank while LinkLook willn't be set
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* @author S<>astien Laot
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*/
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class LinkLabel : public TQFrame
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{
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TQ_OBJECT
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public:
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LinkLabel(int hAlign, int vAlign, TQWidget *parent = 0, const char *name = 0, WFlags f = 0);
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LinkLabel(const TQString &title, const TQString &icon, LinkLook *look, int hAlign, int vAlign,
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TQWidget *parent = 0, const char *name = 0, WFlags f = 0);
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~LinkLabel();
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public:
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void setLink(const TQString &title, const TQString &icon, LinkLook *look = 0);
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void setLook(LinkLook *look);
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void setAlign(int hAlign, int vAlign);
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void setSelected(bool selected);
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void setPaletteBackgroundColor(const TQColor &color);
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int heightForWidth(int w = -1) const;
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TQString toHtml(const TQString &imageName);
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protected:
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void initLabel(int hAlign, int vAlign);
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void enterEvent(TQEvent*);
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void leaveEvent(TQEvent*);
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private:
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TQBoxLayout *m_layout;
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TQLabel *m_icon;
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TQLabel *m_title;
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TQSpacerItem *m_spacer1;
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TQSpacerItem *m_spacer2;
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bool m_isSelected;
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bool m_isHovered;
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LinkLook *m_look;
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int m_hAlign;
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int m_vAlign;
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};
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/** THE NEW CLASS TO DISPLAY Links FOR THE NEW BASKET ENGINE.
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* We should get ride of class LinkLabel soon.
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* And LinkLabel will be entirely rewritten to use this LinkDisplay as the drawing primitives.
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* @author S<>astien Laot
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*/
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class LinkDisplay
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{
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public:
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LinkDisplay(); /// << Create a new empty unselected LinkDisplay. Please then call setLink() to make sense.
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// Configure the link displayer:
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void setLink(const TQString &title, const TQString &icon, LinkLook *look, const TQFont &font); /// << Change the content and disposition. minWidth(), width() & height() can have changed. Keep the old preview (if any)
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void setLink(const TQString &title, const TQString &icon, const TQPixmap &preview, LinkLook *look, const TQFont &font); /// << Idem but change the preview too (or remove it if it is invalid)
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void setWidth(int width); /// << Set a new width. @see height() that will be computed.
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// Get its properties:
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int minWidth() const { return m_minWidth; } /// << @return the minimum width to display this link.
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int maxWidth() const { return m_maxWidth; } /// << @return the maximum width to display this link.
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int width() const { return m_width; } /// << @return the width of the link. It is never less than minWidth()!
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int height() const { return m_height; } /// << @return the height if the link after having set it a width.
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// And finaly, use it:
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void paint(TQPainter *painter, int x, int y, int width, int height, const TQColorGroup &colorGroup, bool isDefaultColor, bool isSelected, bool isHovered, bool isIconButtonHovered) const; /// << Draw the link on a painter. Set textColor to be !isValid() to use the LinkLook color. Otherwise it will use this color!
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TQPixmap feedbackPixmap(int width, int height, const TQColorGroup &colorGroup, bool isDefaultColor); /// << @return the pixmap to put under the cursor while dragging this object.
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// Eventually get some information about the link display:
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bool iconButtonAt(const TQPoint &pos) const; /// << @return true if the icon button is under point @p pos.
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TQRect iconButtonRect() const; /// << @return the rectangle of the icon button.
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// Utility function:
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TQFont labelFont(TQFont font, bool isIconButtonHovered) const; /// << @return the font for this link, according to parent font AND LinkLook!
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int heightForWidth(int width) const; /// << @return the needed height to display the link in function of a width.
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TQString toHtml(const TQString &imageName) const; /// << Convert the link to HTML code, using the LinkLook to style it.
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TQString toHtml(HTMLExporter *exporter, const KURL &url, const TQString &title = "");
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private:
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TQString m_title;
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TQString m_icon;
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TQPixmap m_preview;
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LinkLook *m_look;
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TQFont m_font;
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int m_minWidth;
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int m_maxWidth;
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int m_width;
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int m_height;
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};
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/** A widget to edit a LinkLook, showing a live example to the user.
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* @author S<>astien Laot
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*/
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class LinkLookEditWidget : public TQWidget
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{
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TQ_OBJECT
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public:
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LinkLookEditWidget(TDECModule* module, const TQString exTitle, const TQString exIcon,
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TQWidget *parent = 0, const char *name = 0, WFlags fl = 0);
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~LinkLookEditWidget();
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void saveChanges();
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void saveToLook(LinkLook *look);
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void set(LinkLook *look);
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private slots:
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void slotChangeLook();
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protected:
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LinkLook *m_look;
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TQCheckBox *m_italic;
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TQCheckBox *m_bold;
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TQComboBox *m_underlining;
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KColorCombo2 *m_color;
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KColorCombo2 *m_hoverColor;
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IconSizeCombo *m_iconSize;
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TQComboBox *m_preview;
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LinkLook *m_exLook;
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LinkLabel *m_example;
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TQString m_exTitle;
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TQString m_exIcon;
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HelpLabel *m_hLabel;
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TQLabel *m_label;
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};
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#endif // LINKLABEL_H
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