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Diffstat (limited to 'sc/source/ui/inc/csvruler.hxx')
| -rw-r--r-- | sc/source/ui/inc/csvruler.hxx | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/sc/source/ui/inc/csvruler.hxx b/sc/source/ui/inc/csvruler.hxx new file mode 100644 index 000000000..5173f0d20 --- /dev/null +++ b/sc/source/ui/inc/csvruler.hxx @@ -0,0 +1,181 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#include "csvcontrol.hxx" +#include "csvsplits.hxx" + +#include <vcl/virdev.hxx> + +class ScAccessibleCsvControl; +class ScCsvTableBox; + +/** A ruler control for the CSV import dialog. Supports setting and moving + splits (which divide lines of data into several columns). */ +class ScCsvRuler : public ScCsvControl +{ +private: + ScCsvTableBox* mpTableBox; /// Grid Parent + + ScopedVclPtrInstance<VirtualDevice> maBackgrDev;/// Ruler background, scaling. + ScopedVclPtrInstance<VirtualDevice> maRulerDev; /// Ruler with splits and cursor. + + Color maBackColor; /// Background color. + Color maActiveColor; /// Color for active part of ruler. + Color maTextColor; /// Text and scale color. + Color maSplitColor; /// Split area color. + + ScCsvSplits maSplits; /// Vector with split positions. + ScCsvSplits maOldSplits; /// Old state for cancellation. + + sal_Int32 mnPosCursorLast; /// Last valid position of cursor. + sal_Int32 mnPosMTStart; /// Start position of mouse tracking. + sal_Int32 mnPosMTCurr; /// Current position of mouse tracking. + bool mbPosMTMoved; /// Tracking: Anytime moved to another position? + + Size maWinSize; /// Size of the control. + tools::Rectangle maActiveRect; /// The active area of the ruler. + sal_Int32 mnSplitSize; /// Size of a split circle. + bool mbTracking; /// If currently mouse tracking + +public: + explicit ScCsvRuler(const ScCsvLayoutData& rData, ScCsvTableBox* pTableBox); + virtual void SetDrawingArea(weld::DrawingArea* pDrawingArea) override; + ScCsvTableBox* GetTableBox() { return mpTableBox; } + virtual ~ScCsvRuler() override; + + // common ruler handling -------------------------------------------------- +public: + /** Apply current layout data to the ruler. */ + void ApplyLayout( const ScCsvLayoutData& rOldData ); + +private: + /** Reads colors from system settings. */ + void InitColors(); + /** Initializes all data dependent from the control's size. */ + void InitSizeData(); + + /** Moves cursor to a new position. + @param bScroll sal_True = The method may scroll the ruler. */ + void MoveCursor( sal_Int32 nPos, bool bScroll = true ); + /** Moves cursor to the given direction. */ + void MoveCursorRel( ScMoveMode eDir ); + /** Sets cursor to an existing split, according to eDir. */ + void MoveCursorToSplit( ScMoveMode eDir ); + /** Scrolls data grid vertically. */ + void ScrollVertRel( ScMoveMode eDir ); + + // split handling --------------------------------------------------------- +public: + /** Returns the split array. */ + const ScCsvSplits& GetSplits() const { return maSplits; } + /** Returns the number of splits. */ + sal_uInt32 GetSplitCount() const + { return maSplits.Count(); } + /** Returns the position of the specified split. */ + sal_Int32 GetSplitPos( sal_uInt32 nIndex ) const + { return maSplits[ nIndex ]; } + /** Finds a position nearest to nPos which does not cause scrolling the visible area. */ + sal_Int32 GetNoScrollPos( sal_Int32 nPos ) const; + + /** Returns true if at position nPos is a split. */ + bool HasSplit( sal_Int32 nPos ) const { return maSplits.HasSplit( nPos ); } + /** Inserts a split. */ + void InsertSplit( sal_Int32 nPos ); + /** Removes a split. */ + void RemoveSplit( sal_Int32 nPos ); + /** Moves a split from nPos to nNewPos. */ + void MoveSplit( sal_Int32 nPos, sal_Int32 nNewPos ); + /** Removes all splits of the ruler. */ + void RemoveAllSplits(); + +private: + /** Finds next position without a split. */ + sal_Int32 FindEmptyPos( sal_Int32 nPos, ScMoveMode eDir ) const; + + /** Moves split and cursor to nNewPos and commits event. */ + void MoveCurrSplit( sal_Int32 nNewPos ); + /** Moves split and cursor to the given direction and commits event. */ + void MoveCurrSplitRel( ScMoveMode eDir ); + + // event handling --------------------------------------------------------- +protected: + virtual void Resize() override; + virtual void GetFocus() override; + virtual void LoseFocus() override; + virtual void StyleUpdated() override; + + virtual bool MouseButtonDown( const MouseEvent& rMEvt ) override; + virtual bool MouseMove( const MouseEvent& rMEvt ) override; + virtual bool MouseButtonUp( const MouseEvent& rMEvt ) override; + + virtual bool KeyInput( const KeyEvent& rKEvt ) override; + + virtual tools::Rectangle GetFocusRect() override; + +private: + /** Starts tracking at the specified position. */ + void StartMouseTracking( sal_Int32 nPos ); + /** Moves tracking to a new position. */ + void MoveMouseTracking( sal_Int32 nPos ); + /** Applies tracking action for the current tracking position */ + void EndMouseTracking(); + + // painting --------------------------------------------------------------- +protected: + virtual void Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& ) override; + +public: + /** Redraws the entire ruler. */ + void ImplRedraw(vcl::RenderContext& rRenderContext); + +private: + /** Returns the width of the control. */ + sal_Int32 GetWidth() const { return maWinSize.Width(); } + /** Returns the height of the control. */ + sal_Int32 GetHeight() const { return maWinSize.Height(); } + /** Update the split size depending on the last width set by CSVCMD_SETCHARWIDTH */ + void UpdateSplitSize(); + + /** Draws the background and active area to maBackgrDev (only the given X range). */ + void ImplDrawArea( sal_Int32 nPosX, sal_Int32 nWidth ); + /** Draws the entire ruler background with scaling to maBackgrDev. */ + void ImplDrawBackgrDev(); + + /** Draws a split to maRulerDev. */ + void ImplDrawSplit( sal_Int32 nPos ); + /** Erases a split from maRulerDev. */ + void ImplEraseSplit( sal_Int32 nPos ); + /** Draws the ruler background, all splits and the cursor to maRulerDev. */ + void ImplDrawRulerDev(); + + /** Inverts the cursor bar at the specified position in maRulerDev. */ + void ImplInvertCursor( sal_Int32 nPos ); + + /** Sets arrow or horizontal split pointer. */ + void ImplSetMousePointer( sal_Int32 nPos ); + + // accessibility ---------------------------------------------------------- +protected: + /** Creates a new accessible object. */ + virtual css::uno::Reference<css::accessibility::XAccessible> CreateAccessible() override; +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |