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+/**
+ * @file llscrollcolumnheader.h
+ * @brief Scroll lists are composed of rows (items), each of which
+ * contains columns (cells).
+ *
+ * $LicenseInfo:firstyear=2007&license=viewergpl$
+ *
+ * Copyright (c) 2007-2009, 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 LLSCROLLLISTCOLUMN_H
+#define LLSCROLLLISTCOLUMN_H
+
+#include "llrect.h"
+#include "lluistring.h"
+#include "llbutton.h"
+#include "llinitparam.h"
+
+class LLScrollListColumn;
+class LLResizeBar;
+class LLScrollListCtrl;
+
+class LLScrollColumnHeader : public LLButton
+{
+public:
+ struct Params : public LLInitParam::Block<Params, LLButton::Params>
+ {
+ Mandatory<LLScrollListColumn*> column;
+
+ Params()
+ : column("column")
+ {
+ name = "column_header";
+ image_unselected.name("square_btn_32x128.tga");
+ image_selected.name("square_btn_selected_32x128.tga");
+ image_disabled.name("square_btn_32x128.tga");
+ image_disabled_selected.name("square_btn_selected_32x128.tga");
+ image_overlay.name("combobox_arrow.tga");
+ image_overlay_alignment("right");
+ font_halign = LLFontGL::LEFT;
+ tab_stop(false);
+ scale_image(true);
+ }
+ };
+ LLScrollColumnHeader(const Params&);
+ ~LLScrollColumnHeader();
+
+ /*virtual*/ void draw();
+ /*virtual*/ BOOL handleDoubleClick(S32 x, S32 y, MASK mask);
+
+ /*virtual*/ LLView* findSnapEdge(S32& new_edge_val, const LLCoordGL& mouse_dir, ESnapEdge snap_edge, ESnapType snap_type, S32 threshold, S32 padding);
+ /*virtual*/ void handleReshape(const LLRect& new_rect, bool by_user = false);
+
+ LLScrollListColumn* getColumn() { return mColumn; }
+ void setHasResizableElement(BOOL resizable);
+ void updateResizeBars();
+ BOOL canResize();
+ void enableResizeBar(BOOL enable);
+
+ void onClick(const LLSD& data);
+
+private:
+ LLScrollListColumn* mColumn;
+ LLResizeBar* mResizeBar;
+ BOOL mHasResizableElement;
+};
+
+/*
+ * A simple data class describing a column within a scroll list.
+ */
+class LLScrollListColumn
+{
+public:
+ typedef enum e_sort_direction
+ {
+ DESCENDING,
+ ASCENDING
+ } ESortDirection;
+
+ struct SortNames
+ : public LLInitParam::TypeValuesHelper<LLScrollListColumn::ESortDirection, SortNames>
+ {
+ static void declareValues();
+ };
+
+ struct Params : public LLInitParam::Block<Params>
+ {
+ Optional<std::string> name,
+ tool_tip;
+ Optional<std::string> sort_column;
+ Optional<ESortDirection, SortNames> sort_direction;
+ Optional<bool> sort_ascending;
+
+ struct Width : public LLInitParam::Choice<Width>
+ {
+ Option<bool> dynamic_width;
+ Option<S32> pixel_width;
+ Option<F32> relative_width;
+
+ Width()
+ : dynamic_width("dynamicwidth", false),
+ pixel_width("width"),
+ relative_width("relative_width", -1.f)
+ {
+ addSynonym(relative_width, "relwidth");
+ }
+ };
+ Optional<Width> width;
+
+ // either an image or label is used in column header
+ struct Header : public LLInitParam::Choice<Header>
+ {
+ Option<std::string> label;
+ Option<LLUIImage*> image;
+
+ Header()
+ : label("label"),
+ image("image")
+ {}
+ };
+ Optional<Header> header;
+
+ Optional<LLFontGL::HAlign> halign;
+
+ Params()
+ : name("name"),
+ tool_tip("tool_tip"),
+ sort_column("sort_column"),
+ sort_direction("sort_direction"),
+ sort_ascending("sort_ascending", true),
+ halign("halign", LLFontGL::LEFT)
+ {
+ // default choice to "dynamic_width"
+ width.dynamic_width = true;
+
+ addSynonym(sort_column, "sort");
+ }
+ };
+
+ //NOTE: this is default constructible so we can store it in a map.
+ LLScrollListColumn(const Params& p = Params(), LLScrollListCtrl* = NULL);
+
+ void setWidth(S32 width);
+ S32 getWidth() const { return mWidth; }
+
+public:
+ // Public data is fine so long as this remains a simple struct-like data class.
+ // If it ever gets any smarter than that, these should all become private
+ // with protected or public accessor methods added as needed. -MG
+ std::string mName;
+ std::string mSortingColumn;
+ ESortDirection mSortDirection;
+ LLUIString mLabel;
+ F32 mRelWidth;
+ BOOL mDynamicWidth;
+ S32 mMaxContentWidth;
+ S32 mIndex;
+ LLScrollListCtrl* mParentCtrl;
+ LLScrollColumnHeader* mHeader;
+ LLFontGL::HAlign mFontAlignment;
+
+private:
+ S32 mWidth;
+};
+
+#endif