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/**
* @file llscrolllistcell.h
* @brief Scroll lists are composed of rows (items), each of which
* contains columns (cells).
*
* $LicenseInfo:firstyear=2007&license=viewergpl$
*
* Copyright (c) 2007-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LLSCROLLLISTCELL_H
#define LLSCROLLLISTCELL_H
#include "llfontgl.h" // HAlign
#include "llpointer.h" // LLPointer<>
#include "lluistring.h"
#include "v4color.h"
#include "llui.h"
class LLCheckBoxCtrl;
class LLSD;
class LLUIImage;
/*
* Represents a cell in a scrollable table.
*
* Sub-classes must return height and other properties
* though width accessors are implemented by the base class.
* It is therefore important for sub-class constructors to call
* setWidth() with realistic values.
*/
class LLScrollListCell
{
public:
struct Params : public LLInitParam::Block<Params>
{
Optional<std::string> type,
column;
Optional<S32> width;
Optional<bool> enabled,
visible;
Optional<void*> userdata;
Optional<LLSD> value;
Optional<const LLFontGL*> font;
Optional<LLColor4> font_color;
Optional<LLFontGL::HAlign> font_halign;
Optional<LLColor4> color;
Params()
: type("type", "text"),
column("column"),
width("width"),
enabled("enabled", true),
visible("visible", true),
value("value"),
font("font", LLFontGL::getFontSansSerifSmall()),
font_color("font_color", LLColor4::black),
color("color", LLColor4::white),
font_halign("halign", LLFontGL::LEFT)
{
addSynonym(column, "name");
addSynonym(font_color, "font-color");
}
};
static LLScrollListCell* create(const Params&);
LLScrollListCell(const LLScrollListCell::Params&);
virtual ~LLScrollListCell() {};
virtual void draw(const LLColor4& color, const LLColor4& highlight_color) const = 0; // truncate to given width, if possible
virtual S32 getWidth() const {return mWidth;}
virtual S32 getContentWidth() const { return 0; }
virtual S32 getHeight() const = 0;
virtual const LLSD getValue() const;
virtual void setValue(const LLSD& value) { }
virtual BOOL getVisible() const { return TRUE; }
virtual void setWidth(S32 width) { mWidth = width; }
virtual void highlightText(S32 offset, S32 num_chars) {}
virtual BOOL isText() const = 0;
virtual void setColor(const LLColor4&) {}
virtual void onCommit() {};
virtual BOOL handleClick() { return FALSE; }
virtual void setEnabled(BOOL enable) { }
private:
S32 mWidth;
};
class LLScrollListSpacer : public LLScrollListCell
{
public:
LLScrollListSpacer(const LLScrollListCell::Params& p) : LLScrollListCell(p) {}
/*virtual*/ ~LLScrollListSpacer() {};
/*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color) const {}
/*virtual*/ S32 getHeight() const { return 0; }
/*virtual*/ BOOL isText() const { return FALSE; }
};
/*
* Cell displaying a text label.
*/
class LLScrollListText : public LLScrollListCell
{
public:
LLScrollListText(const LLScrollListCell::Params&);
/*virtual*/ ~LLScrollListText();
/*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color) const;
/*virtual*/ S32 getContentWidth() const;
/*virtual*/ S32 getHeight() const;
/*virtual*/ void setValue(const LLSD& value);
/*virtual*/ const LLSD getValue() const;
/*virtual*/ BOOL getVisible() const;
/*virtual*/ void highlightText(S32 offset, S32 num_chars);
/*virtual*/ void setColor(const LLColor4&);
/*virtual*/ BOOL isText() const;
void setText(const LLStringExplicit& text);
void setFontStyle(const U8 font_style) { mFontStyle = font_style; }
private:
LLUIString mText;
const LLFontGL* mFont;
LLColor4 mColor;
U8 mUseColor;
U8 mFontStyle;
LLFontGL::HAlign mFontAlignment;
BOOL mVisible;
S32 mHighlightCount;
S32 mHighlightOffset;
LLPointer<LLUIImage> mRoundedRectImage;
static U32 sCount;
};
/*
* Cell displaying an image.
*/
class LLScrollListIcon : public LLScrollListCell
{
public:
LLScrollListIcon(const LLScrollListCell::Params& p);
/*virtual*/ ~LLScrollListIcon();
/*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color) const;
/*virtual*/ S32 getWidth() const;
/*virtual*/ S32 getHeight() const;
/*virtual*/ const LLSD getValue() const;
/*virtual*/ void setColor(const LLColor4&);
/*virtual*/ BOOL isText()const { return FALSE; }
/*virtual*/ void setValue(const LLSD& value);
private:
LLPointer<LLUIImage> mIcon;
LLColor4 mColor;
LLFontGL::HAlign mAlignment;
};
/*
* An interactive cell containing a check box.
*/
class LLScrollListCheck : public LLScrollListCell
{
public:
LLScrollListCheck( const LLScrollListCell::Params&);
/*virtual*/ ~LLScrollListCheck();
/*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color) const;
/*virtual*/ S32 getHeight() const { return 0; }
/*virtual*/ const LLSD getValue() const;
/*virtual*/ void setValue(const LLSD& value);
/*virtual*/ void onCommit();
/*virtual*/ BOOL handleClick();
/*virtual*/ void setEnabled(BOOL enable);
LLCheckBoxCtrl* getCheckBox() { return mCheckBox; }
/*virtual*/ BOOL isText() const { return FALSE; }
private:
LLCheckBoxCtrl* mCheckBox;
};
class LLScrollListDate : public LLScrollListText
{
public:
LLScrollListDate( const LLScrollListCell::Params& p );
virtual void setValue(const LLSD& value);
virtual const LLSD getValue() const;
private:
LLDate mDate;
};
#endif
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