Second Life viewer sources 1.13.2.12

1 files changed, 172 insertions, 0 deletions

diff --git a/linden/indra/llui/lluictrl.h b/linden/indra/llui/lluictrl.h
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+/** 
+ * @file lluictrl.h
+ * @author James Cook, Richard Nelson, Tom Yedwab
+ * @brief Abstract base class for UI controls
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
+ */
+
+#ifndef LL_LLUICTRL_H
+#define LL_LLUICTRL_H
+
+#include "llview.h"
+#include "llrect.h"
+#include "llsd.h"
+
+//
+// Classes
+//
+class LLViewerImage;
+class LLFontGL;
+class LLButton;
+class LLTextBox;
+class LLLineEditor;
+class LLUICtrl;
+class LLPanel;
+class LLCtrlSelectionInterface;
+class LLCtrlListInterface;
+class LLCtrlScrollInterface;
+
+typedef void (*LLUICtrlCallback)(LLUICtrl* ctrl, void* userdata);
+typedef BOOL (*LLUICtrlValidate)(LLUICtrl* ctrl, void* userdata);
+
+class LLUICtrl
+: public LLView
+{
+public:
+        LLUICtrl();
+        LLUICtrl( const LLString& name, const LLRect& rect, BOOL mouse_opaque,
+                LLUICtrlCallback callback,
+                void* callback_userdata,
+                U32 reshape=FOLLOWS_NONE);
+        virtual ~LLUICtrl();
+
+        // LLView interface
+        //virtual BOOL  handleToolTip(S32 x, S32 y, LLString& msg, LLRect* sticky_rect);
+        virtual void    initFromXML(LLXMLNodePtr node, LLView* parent);
+        virtual LLXMLNodePtr getXML(bool save_children = true) const;
+
+        virtual LLSD    getValue() const { return LLSD(); }
+
+        // Defaults to no-op
+        virtual BOOL    setTextArg( const LLString& key, const LLString& text );
+
+        // Defaults to no-op
+        virtual BOOL    setLabelArg( const LLString& key, const LLString& text );
+
+        // Defaults to return NULL
+        virtual LLCtrlSelectionInterface* getSelectionInterface();
+        virtual LLCtrlListInterface* getListInterface();
+        virtual LLCtrlScrollInterface* getScrollInterface();
+
+        virtual void    setFocus( BOOL b );
+        virtual BOOL    hasFocus() const;
+
+        virtual void    setTabStop( BOOL b );
+        virtual BOOL    hasTabStop() const;
+
+        // Defaults to false
+        virtual BOOL    acceptsTextInput() const;
+
+        // Default to no-op
+        virtual void    onTabInto();
+        virtual void    clear();
+
+        virtual void    setIsChrome(BOOL is_chrome);
+        virtual BOOL    getIsChrome() const;
+
+        virtual void    onCommit();
+
+        virtual BOOL    isCtrl() const  { return TRUE; }
+        // "Tentative" controls have a proposed value, but haven't committed
+        // it yet.  This is used when multiple objects are selected and we
+        // want to display a parameter that differs between the objects.
+        virtual void    setTentative(BOOL b);
+        virtual BOOL    getTentative() const;
+
+        // Returns containing panel/floater or NULL if none found.
+        LLPanel*                getParentPanel() const;
+
+        void*                   getCallbackUserData() const                                                             { return mCallbackUserData; }
+        void                    setCallbackUserData( void* data )                                               { mCallbackUserData = data; }
+        
+        void                    setCommitCallback( void (*cb)(LLUICtrl*, void*) )               { mCommitCallback = cb; }
+        void                    setValidateBeforeCommit( BOOL(*cb)(LLUICtrl*, void*) )  { mValidateCallback = cb; }
+
+        // Defaults to no-op!
+        virtual void    setDoubleClickCallback( void (*cb)(void*) );
+
+        // Defaults to no-op
+        virtual void    setColor(const LLColor4& color);
+
+        // Defaults to no-op
+        virtual void    setMinValue(LLSD min_value);
+        virtual void    setMaxValue(LLSD max_value);
+
+        // In general, only LLPanel uses these.
+        void                    setFocusReceivedCallback( void (*cb)(LLUICtrl*, void*) )        { mFocusReceivedCallback = cb; }
+        void                    setFocusChangedCallback( void (*cb)(LLUICtrl*, void*) )         { mFocusChangedCallback = cb; }
+
+        static void             onFocusLostCallback(LLUICtrl* old_focus);
+
+        /*virtual*/ BOOL focusFirstItem(BOOL prefer_text_fields = FALSE );
+
+        class LLTabStopPostFilter : public LLQueryFilter, public LLSingleton<LLTabStopPostFilter>
+        {
+                /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const 
+                {
+                        return filterResult_t(view->isCtrl() && static_cast<const LLUICtrl * const>(view)->hasTabStop() && children.size() == 0, TRUE);
+                }
+        };
+
+        class LLTextInputFilter : public LLQueryFilter, public LLSingleton<LLTextInputFilter>
+        {
+                /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const 
+                {
+                        return filterResult_t(view->isCtrl() && static_cast<const LLUICtrl * const>(view)->acceptsTextInput(), TRUE);
+                }
+        };
+
+protected:
+        virtual void    onFocusReceived();
+        virtual void    onFocusLost();
+        void                    onChangeFocus( S32 direction );
+
+protected:
+
+        void                    (*mCommitCallback)( LLUICtrl* ctrl, void* userdata );
+        void                    (*mFocusReceivedCallback)( LLUICtrl* ctrl, void* userdata );
+        void                    (*mFocusChangedCallback)( LLUICtrl* ctrl, void* userdata );
+        BOOL                    (*mValidateCallback)( LLUICtrl* ctrl, void* userdata );
+
+        void*                   mCallbackUserData;
+        BOOL                    mTentative;
+        BOOL                    mTabStop;
+
+private:
+        BOOL                    mIsChrome;
+
+
+};
+
+#endif  // LL_LLUICTRL_H