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/**
* @file llbutton.h
* @brief Header for buttons
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, 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 LL_LLBUTTON_H
#define LL_LLBUTTON_H
#include "lluuid.h"
#include "llcontrol.h"
#include "lluictrl.h"
#include "v4color.h"
#include "llframetimer.h"
#include "llfontgl.h"
#include "llimage.h"
#include "lluistring.h"
//
// Constants
//
// PLEASE please use these "constants" when building your own buttons.
// They are loaded from settings.xml at run time.
extern S32 LLBUTTON_H_PAD;
extern S32 LLBUTTON_V_PAD;
extern S32 BTN_HEIGHT_SMALL;
extern S32 BTN_HEIGHT;
// All button widths should be rounded up to this size
extern S32 BTN_GRID;
//
// Helpful functions
//
S32 round_up(S32 grid, S32 value);
class LLUICtrlFactory;
//
// Classes
//
class LLButton
: public LLUICtrl
{
public:
// simple button with text label
LLButton(const std::string& name, const LLRect &rect, const std::string& control_name = std::string(),
void (*on_click)(void*) = NULL, void *data = NULL);
LLButton(const std::string& name, const LLRect& rect,
const std::string &unselected_image,
const std::string &selected_image,
const std::string& control_name,
void (*click_callback)(void*),
void *callback_data = NULL,
const LLFontGL* mGLFont = NULL,
const std::string& unselected_label = LLStringUtil::null,
const std::string& selected_label = LLStringUtil::null );
virtual ~LLButton();
void init(void (*click_callback)(void*), void *callback_data, const LLFontGL* font, const std::string& control_name);
void addImageAttributeToXML(LLXMLNodePtr node, const std::string& imageName,
const LLUUID& imageID,const std::string& xmlTagName) const;
virtual LLXMLNodePtr getXML(bool save_children = true) const;
static LLView* fromXML(LLXMLNodePtr node, LLView *parent, LLUICtrlFactory *factory);
virtual BOOL handleUnicodeCharHere(llwchar uni_char);
virtual BOOL handleKeyHere(KEY key, MASK mask);
virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
virtual BOOL handleMouseUp(S32 x, S32 y, MASK mask);
virtual BOOL handleHover(S32 x, S32 y, MASK mask);
virtual void draw();
virtual void onMouseCaptureLost();
virtual void onCommit();
void setUnselectedLabelColor( const LLColor4& c ) { mUnselectedLabelColor = c; }
void setSelectedLabelColor( const LLColor4& c ) { mSelectedLabelColor = c; }
void setClickedCallback( void (*cb)(void *data), void* data = NULL ); // mouse down and up within button
void setMouseDownCallback( void (*cb)(void *data) ) { mMouseDownCallback = cb; } // mouse down within button
void setMouseUpCallback( void (*cb)(void *data) ) { mMouseUpCallback = cb; } // mouse up, EVEN IF NOT IN BUTTON
void setHeldDownCallback( void (*cb)(void *data) ) { mHeldDownCallback = cb; } // Mouse button held down and in button
void setHeldDownDelay( F32 seconds, S32 frames = 0) { mHeldDownDelay = seconds; mHeldDownFrameDelay = frames; }
F32 getHeldDownTime() const { return mMouseDownTimer.getElapsedTimeF32(); }
BOOL getIsToggle() const { return mIsToggle; }
void setIsToggle(BOOL is_toggle) { mIsToggle = is_toggle; }
BOOL toggleState();
BOOL getToggleState() const { return mToggleState; }
void setToggleState(BOOL b);
void setFlashing( BOOL b );
BOOL getFlashing() const { return mFlashing; }
void setHAlign( LLFontGL::HAlign align ) { mHAlign = align; }
LLFontGL::HAlign getHAlign() const { return mHAlign; }
void setLeftHPad( S32 pad ) { mLeftHPad = pad; }
void setRightHPad( S32 pad ) { mRightHPad = pad; }
const std::string getLabelUnselected() const { return wstring_to_utf8str(mUnselectedLabel); }
const std::string getLabelSelected() const { return wstring_to_utf8str(mSelectedLabel); }
void setImageColor(const std::string& color_control);
void setImageColor(const LLColor4& c);
virtual void setColor(const LLColor4& c);
void setImages(const std::string &image_name, const std::string &selected_name);
void setDisabledImages(const std::string &image_name, const std::string &selected_name);
void setDisabledImages(const std::string &image_name, const std::string &selected_name, const LLColor4& c);
void setHoverImages(const std::string &image_name, const std::string &selected_name);
void setDisabledImageColor(const LLColor4& c) { mDisabledImageColor = c; }
void setDisabledSelectedLabelColor( const LLColor4& c ) { mDisabledSelectedLabelColor = c; }
void setImageOverlay(const std::string& image_name, LLFontGL::HAlign alignment = LLFontGL::HCENTER, const LLColor4& color = LLColor4::white);
LLPointer<LLUIImage> getImageOverlay() { return mImageOverlay; }
virtual void setValue(const LLSD& value );
virtual LLSD getValue() const;
void setLabel( const LLStringExplicit& label);
virtual BOOL setLabelArg( const std::string& key, const LLStringExplicit& text );
void setLabelUnselected(const LLStringExplicit& label);
void setLabelSelected(const LLStringExplicit& label);
void setDisabledLabel(const LLStringExplicit& disabled_label);
void setDisabledSelectedLabel(const LLStringExplicit& disabled_label);
void setDisabledLabelColor( const LLColor4& c ) { mDisabledLabelColor = c; }
void setFont(const LLFontGL *font)
{ mGLFont = ( font ? font : LLFontGL::getFontSansSerif()); }
void setScaleImage(BOOL scale) { mScaleImage = scale; }
BOOL getScaleImage() const { return mScaleImage; }
void setDropShadowedText(BOOL b) { mDropShadowedText = b; }
void setBorderEnabled(BOOL b) { mBorderEnabled = b; }
static void onHeldDown(void *userdata); // to be called by gIdleCallbacks
void setHoverGlowStrength(F32 strength) { mHoverGlowStrength = strength; }
void setImageUnselected(const std::string &image_name);
const std::string& getImageUnselectedName() const { return mImageUnselectedName; }
void setImageSelected(const std::string &image_name);
const std::string& getImageSelectedName() const { return mImageSelectedName; }
void setImageHoverSelected(const std::string &image_name);
void setImageHoverUnselected(const std::string &image_name);
void setImageDisabled(const std::string &image_name);
void setImageDisabledSelected(const std::string &image_name);
void setImageUnselected(LLPointer<LLUIImage> image);
void setImageSelected(LLPointer<LLUIImage> image);
void setImageHoverSelected(LLPointer<LLUIImage> image);
void setImageHoverUnselected(LLPointer<LLUIImage> image);
void setImageDisabled(LLPointer<LLUIImage> image);
void setImageDisabledSelected(LLPointer<LLUIImage> image);
void setCommitOnReturn(BOOL commit) { mCommitOnReturn = commit; }
BOOL getCommitOnReturn() const { return mCommitOnReturn; }
void setHelpURLCallback(const std::string &help_url);
const std::string& getHelpURL() const { return mHelpURL; }
protected:
virtual void drawBorder(const LLColor4& color, S32 size);
void setImageUnselectedID(const LLUUID &image_id);
const LLUUID& getImageUnselectedID() const { return mImageUnselectedID; }
void setImageSelectedID(const LLUUID &image_id);
const LLUUID& getImageSelectedID() const { return mImageSelectedID; }
void setImageHoverSelectedID(const LLUUID &image_id);
void setImageHoverUnselectedID(const LLUUID &image_id);
void setImageDisabledID(const LLUUID &image_id);
void setImageDisabledSelectedID(const LLUUID &image_id);
const LLPointer<LLUIImage>& getImageUnselected() const { return mImageUnselected; }
const LLPointer<LLUIImage>& getImageSelected() const { return mImageSelected; }
LLFrameTimer mMouseDownTimer;
private:
void (*mClickedCallback)(void* data );
void (*mMouseDownCallback)(void *data);
void (*mMouseUpCallback)(void *data);
void (*mHeldDownCallback)(void *data);
const LLFontGL *mGLFont;
S32 mMouseDownFrame;
F32 mHeldDownDelay; // seconds, after which held-down callbacks get called
S32 mHeldDownFrameDelay; // frames, after which held-down callbacks get called
LLPointer<LLUIImage> mImageOverlay;
LLFontGL::HAlign mImageOverlayAlignment;
LLColor4 mImageOverlayColor;
LLPointer<LLUIImage> mImageUnselected;
LLUIString mUnselectedLabel;
LLColor4 mUnselectedLabelColor;
LLPointer<LLUIImage> mImageSelected;
LLUIString mSelectedLabel;
LLColor4 mSelectedLabelColor;
LLPointer<LLUIImage> mImageHoverSelected;
LLPointer<LLUIImage> mImageHoverUnselected;
LLPointer<LLUIImage> mImageDisabled;
LLUIString mDisabledLabel;
LLColor4 mDisabledLabelColor;
LLPointer<LLUIImage> mImageDisabledSelected;
LLUIString mDisabledSelectedLabel;
LLColor4 mDisabledSelectedLabelColor;
LLUUID mImageUnselectedID;
LLUUID mImageSelectedID;
LLUUID mImageHoverSelectedID;
LLUUID mImageHoverUnselectedID;
LLUUID mImageDisabledID;
LLUUID mImageDisabledSelectedID;
std::string mImageUnselectedName;
std::string mImageSelectedName;
std::string mImageHoverSelectedName;
std::string mImageHoverUnselectedName;
std::string mImageDisabledName;
std::string mImageDisabledSelectedName;
LLColor4 mHighlightColor;
LLColor4 mUnselectedBgColor;
LLColor4 mSelectedBgColor;
LLColor4 mFlashBgColor;
LLColor4 mImageColor;
LLColor4 mDisabledImageColor;
BOOL mIsToggle;
BOOL mToggleState;
BOOL mScaleImage;
BOOL mDropShadowedText;
BOOL mBorderEnabled;
BOOL mFlashing;
LLFontGL::HAlign mHAlign;
S32 mLeftHPad;
S32 mRightHPad;
F32 mHoverGlowStrength;
F32 mCurGlowStrength;
BOOL mNeedsHighlight;
BOOL mCommitOnReturn;
std::string mHelpURL;
LLPointer<LLUIImage> mImagep;
LLFrameTimer mFlashingTimer;
};
#endif // LL_LLBUTTON_H
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