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Diffstat (limited to 'indra/llui/llviewquery.h')
| -rw-r--r-- | indra/llui/llviewquery.h | 274 |
1 files changed, 137 insertions, 137 deletions
diff --git a/indra/llui/llviewquery.h b/indra/llui/llviewquery.h index c7d1ffac20..59c580c08d 100644 --- a/indra/llui/llviewquery.h +++ b/indra/llui/llviewquery.h @@ -1,137 +1,137 @@ -/** - * @file llviewquery.h - * @brief Query algorithm for flattening and filtering the view hierarchy. - * - * $LicenseInfo:firstyear=2001&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#ifndef LL_LLVIEWQUERY_H -#define LL_LLVIEWQUERY_H - -#include <list> - -#include "llsingleton.h" -#include "llui.h" - -class LLView; - -typedef std::list<LLView *> viewList_t; -typedef std::pair<bool, bool> filterResult_t; - -// Abstract base class for all query filters. -class LLQueryFilter -{ -public: - virtual ~LLQueryFilter() {}; - virtual filterResult_t operator() (const LLView* const view, const viewList_t & children) const = 0; -}; - -class LLQuerySorter -{ -public: - virtual ~LLQuerySorter() {}; - virtual void sort(LLView * parent, viewList_t &children) const; -}; - -class LLLeavesFilter : public LLQueryFilter, public LLSingleton<LLLeavesFilter> -{ - LLSINGLETON_EMPTY_CTOR(LLLeavesFilter); - /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override; -}; - -class LLRootsFilter : public LLQueryFilter, public LLSingleton<LLRootsFilter> -{ - LLSINGLETON_EMPTY_CTOR(LLRootsFilter); - /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override; -}; - -class LLVisibleFilter : public LLQueryFilter, public LLSingleton<LLVisibleFilter> -{ - LLSINGLETON_EMPTY_CTOR(LLVisibleFilter); - /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override; -}; - -class LLEnabledFilter : public LLQueryFilter, public LLSingleton<LLEnabledFilter> -{ - LLSINGLETON_EMPTY_CTOR(LLEnabledFilter); - /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override; -}; - -class LLTabStopFilter : public LLQueryFilter, public LLSingleton<LLTabStopFilter> -{ - LLSINGLETON_EMPTY_CTOR(LLTabStopFilter); - /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override; -}; - -class LLCtrlFilter : public LLQueryFilter, public LLSingleton<LLCtrlFilter> -{ - LLSINGLETON_EMPTY_CTOR(LLCtrlFilter); - /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override; -}; - -template <class T> -class LLWidgetTypeFilter : public LLQueryFilter -{ - /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const - { - return filterResult_t(dynamic_cast<const T*>(view) != NULL, true); - } - -}; - -// Algorithm for flattening -class LLViewQuery -{ -public: - typedef std::list<const LLQueryFilter*> filterList_t; - typedef filterList_t::iterator filterList_iter_t; - typedef filterList_t::const_iterator filterList_const_iter_t; - - LLViewQuery() : mPreFilters(), mPostFilters(), mSorterp() {} - virtual ~LLViewQuery() {} - - void addPreFilter(const LLQueryFilter* prefilter) { mPreFilters.push_back(prefilter); } - void addPostFilter(const LLQueryFilter* postfilter) { mPostFilters.push_back(postfilter); } - const filterList_t & getPreFilters() const { return mPreFilters; } - const filterList_t & getPostFilters() const { return mPostFilters; } - - void setSorter(const LLQuerySorter* sorter) { mSorterp = sorter; } - const LLQuerySorter* getSorter() const { return mSorterp; } - - viewList_t run(LLView * view) const; - // syntactic sugar - viewList_t operator () (LLView * view) const { return run(view); } - - // override this method to provide iteration over other types of children - virtual void filterChildren(LLView * view, viewList_t& filtered_children) const; - -private: - - filterResult_t runFilters(LLView * view, const viewList_t children, const filterList_t filters) const; - - filterList_t mPreFilters; - filterList_t mPostFilters; - const LLQuerySorter* mSorterp; -}; - - -#endif // LL_LLVIEWQUERY_H +/**
+ * @file llviewquery.h
+ * @brief Query algorithm for flattening and filtering the view hierarchy.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLVIEWQUERY_H
+#define LL_LLVIEWQUERY_H
+
+#include <list>
+
+#include "llsingleton.h"
+#include "llui.h"
+
+class LLView;
+
+typedef std::list<LLView *> viewList_t;
+typedef std::pair<bool, bool> filterResult_t;
+
+// Abstract base class for all query filters.
+class LLQueryFilter
+{
+public:
+ virtual ~LLQueryFilter() {};
+ virtual filterResult_t operator() (const LLView* const view, const viewList_t & children) const = 0;
+};
+
+class LLQuerySorter
+{
+public:
+ virtual ~LLQuerySorter() {};
+ virtual void sort(LLView * parent, viewList_t &children) const;
+};
+
+class LLLeavesFilter : public LLQueryFilter, public LLSingleton<LLLeavesFilter>
+{
+ LLSINGLETON_EMPTY_CTOR(LLLeavesFilter);
+ /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override;
+};
+
+class LLRootsFilter : public LLQueryFilter, public LLSingleton<LLRootsFilter>
+{
+ LLSINGLETON_EMPTY_CTOR(LLRootsFilter);
+ /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override;
+};
+
+class LLVisibleFilter : public LLQueryFilter, public LLSingleton<LLVisibleFilter>
+{
+ LLSINGLETON_EMPTY_CTOR(LLVisibleFilter);
+ /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override;
+};
+
+class LLEnabledFilter : public LLQueryFilter, public LLSingleton<LLEnabledFilter>
+{
+ LLSINGLETON_EMPTY_CTOR(LLEnabledFilter);
+ /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override;
+};
+
+class LLTabStopFilter : public LLQueryFilter, public LLSingleton<LLTabStopFilter>
+{
+ LLSINGLETON_EMPTY_CTOR(LLTabStopFilter);
+ /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override;
+};
+
+class LLCtrlFilter : public LLQueryFilter, public LLSingleton<LLCtrlFilter>
+{
+ LLSINGLETON_EMPTY_CTOR(LLCtrlFilter);
+ /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override;
+};
+
+template <class T>
+class LLWidgetTypeFilter : public LLQueryFilter
+{
+ /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const
+ {
+ return filterResult_t(dynamic_cast<const T*>(view) != NULL, true);
+ }
+
+};
+
+// Algorithm for flattening
+class LLViewQuery
+{
+public:
+ typedef std::list<const LLQueryFilter*> filterList_t;
+ typedef filterList_t::iterator filterList_iter_t;
+ typedef filterList_t::const_iterator filterList_const_iter_t;
+
+ LLViewQuery() : mPreFilters(), mPostFilters(), mSorterp() {}
+ virtual ~LLViewQuery() {}
+
+ void addPreFilter(const LLQueryFilter* prefilter) { mPreFilters.push_back(prefilter); }
+ void addPostFilter(const LLQueryFilter* postfilter) { mPostFilters.push_back(postfilter); }
+ const filterList_t & getPreFilters() const { return mPreFilters; }
+ const filterList_t & getPostFilters() const { return mPostFilters; }
+
+ void setSorter(const LLQuerySorter* sorter) { mSorterp = sorter; }
+ const LLQuerySorter* getSorter() const { return mSorterp; }
+
+ viewList_t run(LLView * view) const;
+ // syntactic sugar
+ viewList_t operator () (LLView * view) const { return run(view); }
+
+ // override this method to provide iteration over other types of children
+ virtual void filterChildren(LLView * view, viewList_t& filtered_children) const;
+
+private:
+
+ filterResult_t runFilters(LLView * view, const viewList_t children, const filterList_t filters) const;
+
+ filterList_t mPreFilters;
+ filterList_t mPostFilters;
+ const LLQuerySorter* mSorterp;
+};
+
+
+#endif // LL_LLVIEWQUERY_H
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