363 lines
12 KiB
C++
363 lines
12 KiB
C++
/**
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* @file llbutton.h
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* @brief Header for buttons
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LL_LLBUTTON_H
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#define LL_LLBUTTON_H
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#include "lluuid.h"
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#include "llcontrol.h"
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#include "lluictrl.h"
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#include "v4color.h"
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#include "llframetimer.h"
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#include "llfontgl.h"
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#include "lluiimage.h"
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#include "lluistring.h"
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//
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// Constants
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//
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// PLEASE please use these "constants" when building your own buttons.
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// They are loaded from settings.xml at run time.
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extern S32 LLBUTTON_H_PAD;
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extern S32 LLBUTTON_V_PAD;
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extern S32 BTN_HEIGHT_SMALL;
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extern S32 BTN_HEIGHT;
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//
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// Helpful functions
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//
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S32 round_up(S32 grid, S32 value);
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class LLUICtrlFactory;
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//
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// Classes
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//
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class LLButton
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: public LLUICtrl
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{
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public:
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struct Params
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: public LLInitParam::Block<Params, LLUICtrl::Params>
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{
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// text label
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Optional<std::string> label_selected;
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Optional<bool> label_dropshadow;
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Optional<bool> auto_resize;
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// images
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Optional<LLUIImage*> image_unselected,
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image_selected,
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image_hover_selected,
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image_hover_unselected,
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image_disabled_selected,
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image_disabled,
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image_overlay;
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Optional<std::string> image_overlay_alignment;
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// colors
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Optional<LLUIColor> label_color,
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label_color_selected,
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label_color_disabled,
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label_color_disabled_selected,
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highlight_color,
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image_color,
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image_color_disabled,
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image_overlay_color,
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flash_color;
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// layout
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Optional<S32> pad_right;
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Optional<S32> pad_left;
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// callbacks
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Optional<CommitCallbackParam> click_callback, // alias -> commit_callback
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mouse_down_callback,
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mouse_up_callback,
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mouse_held_callback;
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// misc
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Optional<bool> is_toggle,
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scale_image,
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commit_on_return,
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picture_style; //if true, don't display label
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Optional<std::string> help_url;
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Optional<F32> hover_glow_amount;
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Optional<TimeIntervalParam> held_down_delay;
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Params();
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};
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protected:
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friend class LLUICtrlFactory;
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LLButton(const Params&);
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public:
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// For backward compatability only
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typedef boost::function<void(void*)> button_callback_t;
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void addImageAttributeToXML(LLXMLNodePtr node, const std::string& imageName,
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const LLUUID& imageID,const std::string& xmlTagName) const;
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virtual BOOL handleUnicodeCharHere(llwchar uni_char);
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virtual BOOL handleKeyHere(KEY key, MASK mask);
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virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
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virtual BOOL handleMouseUp(S32 x, S32 y, MASK mask);
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virtual BOOL handleHover(S32 x, S32 y, MASK mask);
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virtual BOOL handleRightMouseDown(S32 x, S32 y, MASK mask);
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virtual BOOL handleRightMouseUp(S32 x, S32 y, MASK mask);
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virtual void draw();
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/*virtual*/ BOOL postBuild();
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virtual void onMouseEnter(S32 x, S32 y, MASK mask);
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virtual void onMouseLeave(S32 x, S32 y, MASK mask);
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virtual void onMouseCaptureLost();
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virtual void onCommit();
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void setUnselectedLabelColor( const LLColor4& c ) { mUnselectedLabelColor = c; }
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void setSelectedLabelColor( const LLColor4& c ) { mSelectedLabelColor = c; }
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boost::signals2::connection setClickedCallback( const commit_signal_t::slot_type& cb ); // mouse down and up within button
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boost::signals2::connection setMouseDownCallback( const commit_signal_t::slot_type& cb );
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boost::signals2::connection setMouseUpCallback( const commit_signal_t::slot_type& cb ); // mouse up, EVEN IF NOT IN BUTTON
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// Passes a 'count' parameter in the commit param payload, i.e. param["count"])
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boost::signals2::connection setHeldDownCallback( const commit_signal_t::slot_type& cb ); // Mouse button held down and in button
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boost::signals2::connection setRightClickedCallback( const commit_signal_t::slot_type& cb ); // right mouse down and up within button
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// *TODO: Deprecate (for backwards compatability only)
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boost::signals2::connection setClickedCallback( button_callback_t cb, void* data );
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boost::signals2::connection setMouseDownCallback( button_callback_t cb, void* data );
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boost::signals2::connection setMouseUpCallback( button_callback_t cb, void* data );
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boost::signals2::connection setHeldDownCallback( button_callback_t cb, void* data );
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void setHeldDownDelay( F32 seconds, S32 frames = 0) { mHeldDownDelay = seconds; mHeldDownFrameDelay = frames; }
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F32 getHeldDownTime() const { return mMouseDownTimer.getElapsedTimeF32(); }
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BOOL toggleState();
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BOOL getToggleState() const;
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void setToggleState(BOOL b);
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void setFlashing( BOOL b );
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BOOL getFlashing() const { return mFlashing; }
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void setHAlign( LLFontGL::HAlign align ) { mHAlign = align; }
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LLFontGL::HAlign getHAlign() const { return mHAlign; }
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void setLeftHPad( S32 pad ) { mLeftHPad = pad; }
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void setRightHPad( S32 pad ) { mRightHPad = pad; }
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const std::string getLabelUnselected() const { return wstring_to_utf8str(mUnselectedLabel); }
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const std::string getLabelSelected() const { return wstring_to_utf8str(mSelectedLabel); }
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void setImageColor(const std::string& color_control);
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void setImageColor(const LLColor4& c);
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virtual void setColor(const LLColor4& c);
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void setImages(const std::string &image_name, const std::string &selected_name);
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void setDisabledImages(const std::string &image_name, const std::string &selected_name);
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void setDisabledImages(const std::string &image_name, const std::string &selected_name, const LLColor4& c);
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void setHoverImages(const std::string &image_name, const std::string &selected_name);
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void setDisabledImageColor(const LLColor4& c) { mDisabledImageColor = c; }
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void setDisabledSelectedLabelColor( const LLColor4& c ) { mDisabledSelectedLabelColor = c; }
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void setImageOverlay(const std::string& image_name, LLFontGL::HAlign alignment = LLFontGL::HCENTER, const LLColor4& color = LLColor4::white);
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LLPointer<LLUIImage> getImageOverlay() { return mImageOverlay; }
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void autoResize(); // resize with label of current btn state
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void resize(LLUIString label); // resize with label input
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void setLabel( const LLStringExplicit& label);
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virtual BOOL setLabelArg( const std::string& key, const LLStringExplicit& text );
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void setLabelUnselected(const LLStringExplicit& label);
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void setLabelSelected(const LLStringExplicit& label);
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void setDisabledLabel(const LLStringExplicit& disabled_label);
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void setDisabledSelectedLabel(const LLStringExplicit& disabled_label);
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void setDisabledLabelColor( const LLColor4& c ) { mDisabledLabelColor = c; }
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void setFont(const LLFontGL *font)
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{ mGLFont = ( font ? font : LLFontGL::getFontSansSerif()); }
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void setScaleImage(BOOL scale) { mScaleImage = scale; }
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BOOL getScaleImage() const { return mScaleImage; }
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void setDropShadowedText(BOOL b) { mDropShadowedText = b; }
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void setBorderEnabled(BOOL b) { mBorderEnabled = b; }
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void setHoverGlowStrength(F32 strength) { mHoverGlowStrength = strength; }
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void setImageUnselected(const std::string &image_name);
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const std::string& getImageUnselectedName() const { return mImageUnselectedName; }
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void setImageSelected(const std::string &image_name);
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const std::string& getImageSelectedName() const { return mImageSelectedName; }
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void setImageHoverSelected(const std::string &image_name);
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void setImageHoverUnselected(const std::string &image_name);
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void setImageDisabled(const std::string &image_name);
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void setImageDisabledSelected(const std::string &image_name);
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void setImageUnselected(LLPointer<LLUIImage> image);
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void setImageSelected(LLPointer<LLUIImage> image);
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void setImageHoverSelected(LLPointer<LLUIImage> image);
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void setImageHoverUnselected(LLPointer<LLUIImage> image);
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void setImageDisabled(LLPointer<LLUIImage> image);
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void setImageDisabledSelected(LLPointer<LLUIImage> image);
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void setCommitOnReturn(BOOL commit) { mCommitOnReturn = commit; }
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BOOL getCommitOnReturn() const { return mCommitOnReturn; }
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void setHelpURLCallback(const std::string &help_url);
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const std::string& getHelpURL() const { return mHelpURL; }
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static void onHeldDown(void *userdata); // to be called by gIdleCallbacks
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static void toggleFloaterAndSetToggleState(LLUICtrl* ctrl, const LLSD& sdname);
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static void setFloaterToggle(LLUICtrl* ctrl, const LLSD& sdname);
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protected:
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virtual void drawBorder(const LLColor4& color, S32 size);
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void setImageUnselectedID(const LLUUID &image_id);
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const LLUUID& getImageUnselectedID() const { return mImageUnselectedID; }
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void setImageSelectedID(const LLUUID &image_id);
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const LLUUID& getImageSelectedID() const { return mImageSelectedID; }
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void setImageHoverSelectedID(const LLUUID &image_id);
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void setImageHoverUnselectedID(const LLUUID &image_id);
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void setImageDisabledID(const LLUUID &image_id);
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void setImageDisabledSelectedID(const LLUUID &image_id);
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const LLPointer<LLUIImage>& getImageUnselected() const { return mImageUnselected; }
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const LLPointer<LLUIImage>& getImageSelected() const { return mImageSelected; }
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void resetMouseDownTimer();
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LLFrameTimer mMouseDownTimer;
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// If the label is empty, set the picture_style attribute
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static void setupParamsForExport(Params& p, LLView* parent);
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private:
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commit_signal_t mMouseDownSignal;
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commit_signal_t mMouseUpSignal;
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commit_signal_t mHeldDownSignal;
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const LLFontGL *mGLFont;
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S32 mMouseDownFrame;
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S32 mMouseHeldDownCount; // Counter for parameter passed to held-down callback
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F32 mHeldDownDelay; // seconds, after which held-down callbacks get called
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S32 mHeldDownFrameDelay; // frames, after which held-down callbacks get called
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LLPointer<LLUIImage> mImageOverlay;
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LLFontGL::HAlign mImageOverlayAlignment;
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LLUIColor mImageOverlayColor;
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LLPointer<LLUIImage> mImageUnselected;
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LLUIString mUnselectedLabel;
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LLUIColor mUnselectedLabelColor;
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LLPointer<LLUIImage> mImageSelected;
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LLUIString mSelectedLabel;
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LLUIColor mSelectedLabelColor;
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LLPointer<LLUIImage> mImageHoverSelected;
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LLPointer<LLUIImage> mImageHoverUnselected;
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LLPointer<LLUIImage> mImageDisabled;
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LLUIString mDisabledLabel;
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LLUIColor mDisabledLabelColor;
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LLPointer<LLUIImage> mImageDisabledSelected;
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LLUIString mDisabledSelectedLabel;
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LLUIColor mDisabledSelectedLabelColor;
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LLUUID mImageUnselectedID;
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LLUUID mImageSelectedID;
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LLUUID mImageHoverSelectedID;
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LLUUID mImageHoverUnselectedID;
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LLUUID mImageDisabledID;
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LLUUID mImageDisabledSelectedID;
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std::string mImageUnselectedName;
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std::string mImageSelectedName;
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std::string mImageHoverSelectedName;
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std::string mImageHoverUnselectedName;
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std::string mImageDisabledName;
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std::string mImageDisabledSelectedName;
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LLUIColor mHighlightColor;
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LLUIColor mFlashBgColor;
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LLUIColor mImageColor;
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LLUIColor mDisabledImageColor;
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BOOL mIsToggle;
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BOOL mScaleImage;
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BOOL mDropShadowedText;
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BOOL mAutoResize;
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BOOL mBorderEnabled;
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BOOL mFlashing;
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LLFontGL::HAlign mHAlign;
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S32 mLeftHPad;
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S32 mRightHPad;
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F32 mHoverGlowStrength;
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F32 mCurGlowStrength;
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BOOL mNeedsHighlight;
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BOOL mCommitOnReturn;
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BOOL mFadeWhenDisabled;
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std::string mHelpURL;
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LLPointer<LLUIImage> mImagep;
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LLFrameTimer mFlashingTimer;
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};
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#ifdef LL_WINDOWS
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#ifndef INSTANTIATE_GETCHILD_BUTTON
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#pragma warning (disable : 4231)
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extern template LLButton* LLView::getChild<LLButton>( const std::string& name, BOOL recurse, BOOL create_if_missing ) const;
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#endif
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#endif
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#endif // LL_LLBUTTON_H
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