122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
/**
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* @file lldraghandle.h
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* @brief LLDragHandle base class
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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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// A widget for dragging a view around the screen using the mouse.
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#ifndef LL_DRAGHANDLE_H
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#define LL_DRAGHANDLE_H
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#include "llview.h"
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#include "v4color.h"
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#include "llrect.h"
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#include "llcoord.h"
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class LLTextBox;
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class LLDragHandle : public LLView
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{
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public:
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LLDragHandle(const std::string& name, const LLRect& rect, const std::string& title );
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virtual ~LLDragHandle() { setTitleBox(NULL); }
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virtual void setValue(const LLSD& value);
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void setForeground(BOOL b) { mForeground = b; }
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BOOL getForeground() const { return mForeground; }
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void setMaxTitleWidth(S32 max_width) {mMaxTitleWidth = llmin(max_width, mMaxTitleWidth); }
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S32 getMaxTitleWidth() const { return mMaxTitleWidth; }
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void setTitleVisible(BOOL visible);
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virtual void setTitle( const std::string& title ) = 0;
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virtual const std::string& getTitle() const = 0;
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virtual BOOL handleHover(S32 x, S32 y, 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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protected:
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LLTextBox* getTitleBox() const { return mTitleBox; }
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void setTitleBox(LLTextBox*);
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private:
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S32 mDragLastScreenX;
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S32 mDragLastScreenY;
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S32 mLastMouseScreenX;
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S32 mLastMouseScreenY;
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LLCoordGL mLastMouseDir;
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LLColor4 mDragHighlightColor;
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LLColor4 mDragShadowColor;
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LLTextBox* mTitleBox;
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S32 mMaxTitleWidth;
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BOOL mForeground;
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// Pixels near the edge to snap floaters.
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static S32 sSnapMargin;
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};
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// Use this one for traditional top-of-window draggers
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class LLDragHandleTop
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: public LLDragHandle
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{
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public:
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LLDragHandleTop(const std::string& name, const LLRect& rect, const std::string& title );
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virtual void setTitle( const std::string& title );
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virtual const std::string& getTitle() const;
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virtual void draw();
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virtual void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
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private:
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void reshapeTitleBox();
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};
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// Use this for left-side, vertical text draggers
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class LLDragHandleLeft
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: public LLDragHandle
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{
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public:
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LLDragHandleLeft(const std::string& name, const LLRect& rect, const std::string& title );
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virtual void setTitle( const std::string& title );
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virtual const std::string& getTitle() const;
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virtual void draw();
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virtual void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
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};
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const S32 DRAG_HANDLE_HEIGHT = 16;
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const S32 DRAG_HANDLE_WIDTH = 16;
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#endif // LL_DRAGHANDLE_H
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