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/**
* @file llscrolllistcell.h
* @brief Scroll lists are composed of rows (items), each of which
* contains columns (cells).
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LLSCROLLLISTCELL_H
#define LLSCROLLLISTCELL_H
#include "llfontgl.h" // HAlign
#include "llfontvertexbuffer.h" // HAlign
#include "llpointer.h" // LLPointer<>
#include "lluistring.h"
#include "v4color.h"
#include "llui.h"
#include "llgltexture.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; // state of checkbox, icon id/name, date
Optional<LLSD> alt_value;
Optional<std::string> label; // description or text
Optional<std::string> tool_tip;
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"),
alt_value("alt_value", ""),
label("label"),
tool_tip("tool_tip", ""),
font("font", LLFontGL::getFontEmojiSmall()),
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) {}; // truncate to given width, if possible
virtual S32 getWidth() const {return mWidth;}
virtual S32 getContentWidth() const { return 0; }
virtual S32 getHeight() const { return 0; }
virtual const LLSD getValue() const;
virtual const LLSD getAltValue() const;
virtual void setValue(const LLSD& value) { }
virtual void setAltValue(const LLSD& value) { }
virtual const std::string &getToolTip() const { return mToolTip; }
virtual void setToolTip(const std::string &str) { mToolTip = str; }
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 { return false; }
virtual bool needsToolTip() const { return ! mToolTip.empty(); }
virtual void setColor(const LLColor4&) {}
virtual void onCommit() {};
virtual bool handleClick() { return false; }
virtual void setEnabled(bool enable) { }
private:
S32 mWidth;
std::string mToolTip;
};
class LLScrollListSpacer : public LLScrollListCell
{
public:
LLScrollListSpacer(const LLScrollListCell::Params& p) : LLScrollListCell(p) {}
/*virtual*/ ~LLScrollListSpacer() {};
/*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color) {}
};
/*
* 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);
/*virtual*/ S32 getContentWidth() const;
/*virtual*/ S32 getHeight() const;
/*virtual*/ void setValue(const LLSD& value);
/*virtual*/ void setAltValue(const LLSD& value);
/*virtual*/ const LLSD getValue() const;
/*virtual*/ const LLSD getAltValue() const;
/*virtual*/ bool getVisible() const;
/*virtual*/ void highlightText(S32 offset, S32 num_chars);
/*virtual*/ void setColor(const LLColor4&);
/*virtual*/ bool isText() const;
/*virtual*/ const std::string & getToolTip() const;
/*virtual*/ bool needsToolTip() const;
S32 getTextWidth() const { return mTextWidth;}
void setTextWidth(S32 value);
virtual void setWidth(S32 width);
void setText(const LLStringExplicit& text);
void setFontStyle(const U8 font_style);
void setAlignment(LLFontGL::HAlign align);
protected:
LLUIString mText;
LLUIString mAltText;
S32 mTextWidth;
const LLFontGL* mFont;
LLFontVertexBuffer mFontBuffer;
LLColor4 mColor;
LLColor4 mHighlightColor;
U8 mUseColor;
LLFontGL::HAlign mFontAlignment;
bool mVisible;
S32 mHighlightCount;
S32 mHighlightOffset;
LLPointer<LLUIImage> mRoundedRectImage;
static U32 sCount;
};
/*
* Cell displaying an image. AT the moment, this is specifically UI image
*/
class LLScrollListIcon : public LLScrollListCell
{
public:
LLScrollListIcon(const LLScrollListCell::Params& p);
/*virtual*/ ~LLScrollListIcon();
/*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color);
/*virtual*/ S32 getWidth() const;
/*virtual*/ S32 getHeight() const;
/*virtual*/ const LLSD getValue() const;
/*virtual*/ void setColor(const LLColor4&);
/*virtual*/ void setValue(const LLSD& value);
private:
LLPointer<LLUIImage> mIcon;
LLColor4 mColor;
LLFontGL::HAlign mAlignment;
};
class LLScrollListBar : public LLScrollListCell
{
public:
LLScrollListBar(const LLScrollListCell::Params& p);
/*virtual*/ ~LLScrollListBar();
/*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color);
/*virtual*/ S32 getWidth() const;
/*virtual*/ S32 getHeight() const;
/*virtual*/ const LLSD getValue() const;
/*virtual*/ void setColor(const LLColor4&);
/*virtual*/ void setValue(const LLSD& value);
private:
LLColor4 mColor;
F32 mRatio;
S32 mBottom;
S32 mRightPad;
S32 mLeftPad;
};
/*
* 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);
/*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; }
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;
};
/*
* Cell displaying icon and text.
*/
class LLScrollListIconText : public LLScrollListText
{
public:
LLScrollListIconText(const LLScrollListCell::Params& p);
/*virtual*/ ~LLScrollListIconText();
/*virtual*/ void draw(const LLColor4& color, const LLColor4& highlight_color);
/*virtual*/ const LLSD getValue() const;
/*virtual*/ void setValue(const LLSD& value);
/*virtual*/ void setWidth(S32 width);
private:
LLPointer<LLUIImage> mIcon;
S32 mPad;
};
#endif
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