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/**
* @file lllayoutstack.h
* @author Richard Nelson
* @brief LLLayout class - dynamic stacking of UI elements
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* 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_LLLAYOUTSTACK_H
#define LL_LLLAYOUTSTACK_H
#include "llview.h"
class LLPanel;
class LLLayoutStack : public LLView, LLInstanceTracker<LLLayoutStack>
{
public:
struct Params : public LLInitParam::Block<Params, LLView::Params>
{
Optional<std::string> orientation;
Optional<S32> border_size;
Optional<bool> animate;
Optional<bool> clip;
// mMinWidth and mMinHeight are calculated, not set in XML
Params();
};
typedef enum e_layout_orientation
{
HORIZONTAL,
VERTICAL
} ELayoutOrientation;
virtual ~LLLayoutStack();
/*virtual*/ void draw();
/*virtual*/ void removeChild(LLView*);
/*virtual*/ BOOL postBuild();
static LLView* fromXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr output_node = NULL);
S32 getMinWidth() const { return mMinWidth; }
S32 getMinHeight() const { return mMinHeight; }
typedef enum e_animate
{
NO_ANIMATE,
ANIMATE
} EAnimate;
void addPanel(LLPanel* panel, S32 min_width, S32 min_height, BOOL auto_resize, BOOL user_resize, EAnimate animate = NO_ANIMATE, S32 index = S32_MAX);
void removePanel(LLPanel* panel);
void collapsePanel(LLPanel* panel, BOOL collapsed = TRUE);
S32 getNumPanels() { return mPanels.size(); }
void updatePanelAutoResize(const std::string& panel_name, BOOL auto_resize);
static void idle();
protected:
LLLayoutStack(const Params&);
friend class LLUICtrlFactory;
private:
struct LayoutPanel;
void updateLayout(BOOL force_resize = FALSE);
void calcMinExtents();
S32 getDefaultHeight(S32 cur_height);
S32 getDefaultWidth(S32 cur_width);
const ELayoutOrientation mOrientation;
typedef std::vector<LayoutPanel*> e_panel_list_t;
e_panel_list_t mPanels;
LayoutPanel* findEmbeddedPanel(LLPanel* panelp) const;
LayoutPanel* findEmbeddedPanelByName(const std::string& name) const;
S32 mMinWidth; // calculated by calcMinExtents
S32 mMinHeight; // calculated by calcMinExtents
S32 mPanelSpacing;
// true if we already applied animation this frame
bool mAnimatedThisFrame;
bool mAnimate;
bool mClip;
}; // end class LLLayoutStack
#endif
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