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/***************************************************************************
* Copyright (C) 2003 by S�astien Laot *
* slaout@linux62.org *
* *
* 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. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef LINKLABEL_H
#define LINKLABEL_H
#include <tqframe.h>
class TQString;
class KURL;
class TQColor;
class TQLabel;
class TQBoxLayout;
class TQSpacerItem;
class TQPushButton;
class TQCheckBox;
class TQComboBox;
class KColorCombo2;
class IconSizeCombo;
class HTMLExporter;
class HelpLabel;
class TDECModule;
/** Store the style of links
* @author S�astien Laot
*/
class LinkLook
{
public:
enum Underlining { Always = 0, Never, OnMouseHover, OnMouseOutside };
enum Preview { None = 0, IconSize, TwiceIconSize, ThreeIconSize };
LinkLook(bool useLinkColor = true, bool canPreview = true);
LinkLook(const LinkLook &other);
void setLook( bool italic, bool bold, int underlining,
TQColor color, TQColor hoverColor,
int iconSize, int preview /*= None*/ );
inline bool italic() const { return m_italic; }
inline bool bold() const { return m_bold; }
inline int underlining() const { return m_underlining; }
inline TQColor color() const { return m_color; }
inline TQColor hoverColor() const { return m_hoverColor; }
inline int iconSize() const { return m_iconSize; }
inline int preview() const { return m_preview; }
inline bool useLinkColor() const { return m_useLinkColor; }
inline bool canPreview() const { return m_canPreview; }
/* Helpping Functions */
bool underlineOutside() const { return underlining() == Always || underlining() == OnMouseOutside; }
bool underlineInside() const { return underlining() == Always || underlining() == OnMouseHover; }
bool previewEnabled() const { return canPreview() && preview() > None; }
int previewSize() const;
TQColor effectiveColor() const;
TQColor effectiveHoverColor() const;
TQColor defaultColor() const;
TQColor defaultHoverColor() const;
TQString toCSS(const TQString &cssClass, const TQColor &defaultTextColor) const;
private:
bool m_italic;
bool m_bold;
int m_underlining;
TQColor m_color;
TQColor m_hoverColor;
int m_iconSize;
int m_preview;
bool m_useLinkColor;
bool m_canPreview;
public:
/* Global Looks */
static LinkLook *soundLook;
static LinkLook *fileLook;
static LinkLook *localLinkLook;
static LinkLook *networkLinkLook;
static LinkLook *launcherLook;
/* Static method to get a LinkLook from an URL */
static LinkLook* lookForURL(const KURL &url);
};
/** Used to represent links with icon and specific look
* Note : This label will appear blank while LinkLook willn't be set
* @author S�astien Laot
*/
class LinkLabel : public TQFrame
{
TQ_OBJECT
public:
LinkLabel(int hAlign, int vAlign, TQWidget *parent = 0, const char *name = 0, WFlags f = 0);
LinkLabel(const TQString &title, const TQString &icon, LinkLook *look, int hAlign, int vAlign,
TQWidget *parent = 0, const char *name = 0, WFlags f = 0);
~LinkLabel();
public:
void setLink(const TQString &title, const TQString &icon, LinkLook *look = 0);
void setLook(LinkLook *look);
void setAlign(int hAlign, int vAlign);
void setSelected(bool selected);
void setPaletteBackgroundColor(const TQColor &color);
int heightForWidth(int w = -1) const;
TQString toHtml(const TQString &imageName);
protected:
void initLabel(int hAlign, int vAlign);
void enterEvent(TQEvent*);
void leaveEvent(TQEvent*);
private:
TQBoxLayout *m_layout;
TQLabel *m_icon;
TQLabel *m_title;
TQSpacerItem *m_spacer1;
TQSpacerItem *m_spacer2;
bool m_isSelected;
bool m_isHovered;
LinkLook *m_look;
int m_hAlign;
int m_vAlign;
};
/** THE NEW CLASS TO DISPLAY Links FOR THE NEW BASKET ENGINE.
* We should get ride of class LinkLabel soon.
* And LinkLabel will be entirely rewritten to use this LinkDisplay as the drawing primitives.
* @author S�astien Laot
*/
class LinkDisplay
{
public:
LinkDisplay(); /// << Create a new empty unselected LinkDisplay. Please then call setLink() to make sense.
// Configure the link displayer:
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)
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)
void setWidth(int width); /// << Set a new width. @see height() that will be computed.
// Get its properties:
int minWidth() const { return m_minWidth; } /// << @return the minimum width to display this link.
int maxWidth() const { return m_maxWidth; } /// << @return the maximum width to display this link.
int width() const { return m_width; } /// << @return the width of the link. It is never less than minWidth()!
int height() const { return m_height; } /// << @return the height if the link after having set it a width.
// And finaly, use it:
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!
TQPixmap feedbackPixmap(int width, int height, const TQColorGroup &colorGroup, bool isDefaultColor); /// << @return the pixmap to put under the cursor while dragging this object.
// Eventually get some information about the link display:
bool iconButtonAt(const TQPoint &pos) const; /// << @return true if the icon button is under point @p pos.
TQRect iconButtonRect() const; /// << @return the rectangle of the icon button.
// Utility function:
TQFont labelFont(TQFont font, bool isIconButtonHovered) const; /// << @return the font for this link, according to parent font AND LinkLook!
int heightForWidth(int width) const; /// << @return the needed height to display the link in function of a width.
TQString toHtml(const TQString &imageName) const; /// << Convert the link to HTML code, using the LinkLook to style it.
TQString toHtml(HTMLExporter *exporter, const KURL &url, const TQString &title = "");
private:
TQString m_title;
TQString m_icon;
TQPixmap m_preview;
LinkLook *m_look;
TQFont m_font;
int m_minWidth;
int m_maxWidth;
int m_width;
int m_height;
};
/** A widget to edit a LinkLook, showing a live example to the user.
* @author S�astien Laot
*/
class LinkLookEditWidget : public TQWidget
{
TQ_OBJECT
public:
LinkLookEditWidget(TDECModule* module, const TQString exTitle, const TQString exIcon,
TQWidget *parent = 0, const char *name = 0, WFlags fl = 0);
~LinkLookEditWidget();
void saveChanges();
void saveToLook(LinkLook *look);
void set(LinkLook *look);
private slots:
void slotChangeLook();
protected:
LinkLook *m_look;
TQCheckBox *m_italic;
TQCheckBox *m_bold;
TQComboBox *m_underlining;
KColorCombo2 *m_color;
KColorCombo2 *m_hoverColor;
IconSizeCombo *m_iconSize;
TQComboBox *m_preview;
LinkLook *m_exLook;
LinkLabel *m_example;
TQString m_exTitle;
TQString m_exIcon;
HelpLabel *m_hLabel;
TQLabel *m_label;
};
#endif // LINKLABEL_H
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