| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // ============================================================================ |
| |
| #ifndef _SC_CSVRULER_HXX |
| #define _SC_CSVRULER_HXX |
| |
| #include <vcl/virdev.hxx> |
| #include "csvcontrol.hxx" |
| #include "csvsplits.hxx" |
| #include "scdllapi.h" |
| |
| class ScAccessibleCsvControl; |
| |
| |
| // ============================================================================ |
| |
| /** A ruler control for the CSV import dialog. Supports setting and moving |
| splits (which divide lines of data into several columns). */ |
| class SC_DLLPUBLIC ScCsvRuler : public ScCsvControl |
| { |
| private: |
| VirtualDevice maBackgrDev; /// Ruler background, scaling. |
| 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. |
| Rectangle maActiveRect; /// The active area of the ruler. |
| sal_Int32 mnSplitSize; /// Size of a split circle. |
| |
| // ------------------------------------------------------------------------ |
| public: |
| explicit ScCsvRuler( ScCsvControl& rParent ); |
| ~ScCsvRuler(); |
| |
| // common ruler handling -------------------------------------------------- |
| public: |
| using Window::SetPosSizePixel; |
| /** Sets position and size of the ruler. The height is calculated internally. */ |
| virtual void SetPosSizePixel( |
| long nX, long nY, |
| long nWidth, long nHeight, |
| sal_uInt16 nFlags = WINDOW_POSSIZE_ALL ); |
| |
| /** Apply current layout data to the ruler. */ |
| void ApplyLayout( const ScCsvLayoutData& rOldData ); |
| |
| private: |
| /** Reads colors from system settings. */ |
| SC_DLLPRIVATE void InitColors(); |
| /** Initializes all data dependent from the control's size. */ |
| SC_DLLPRIVATE void InitSizeData(); |
| |
| /** Moves cursor to a new position. |
| @param bScroll sal_True = The method may scroll the ruler. */ |
| SC_DLLPRIVATE void MoveCursor( sal_Int32 nPos, bool bScroll = true ); |
| /** Moves cursor to the given direction. */ |
| SC_DLLPRIVATE void MoveCursorRel( ScMoveMode eDir ); |
| /** Sets cursor to an existing split, according to eDir. */ |
| SC_DLLPRIVATE void MoveCursorToSplit( ScMoveMode eDir ); |
| /** Scrolls data grid vertically. */ |
| SC_DLLPRIVATE void ScrollVertRel( ScMoveMode eDir ); |
| |
| // split handling --------------------------------------------------------- |
| public: |
| /** Returns the split array. */ |
| inline const ScCsvSplits& GetSplits() const { return maSplits; } |
| /** Returns the number of splits. */ |
| inline sal_uInt32 GetSplitCount() const |
| { return maSplits.Count(); } |
| /** Returns the position of the specified split. */ |
| inline 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. */ |
| inline 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. */ |
| SC_DLLPRIVATE sal_Int32 FindEmptyPos( sal_Int32 nPos, ScMoveMode eDir ) const; |
| |
| /** Moves split and cursor to nNewPos and commits event. */ |
| SC_DLLPRIVATE void MoveCurrSplit( sal_Int32 nNewPos ); |
| /** Moves split and cursor to the given direction and commits event. */ |
| SC_DLLPRIVATE void MoveCurrSplitRel( ScMoveMode eDir ); |
| |
| // event handling --------------------------------------------------------- |
| protected: |
| virtual void Resize(); |
| virtual void GetFocus(); |
| virtual void LoseFocus(); |
| virtual void DataChanged( const DataChangedEvent& rDCEvt ); |
| |
| virtual void MouseButtonDown( const MouseEvent& rMEvt ); |
| virtual void MouseMove( const MouseEvent& rMEvt ); |
| virtual void Tracking( const TrackingEvent& rTEvt ); |
| |
| virtual void KeyInput( const KeyEvent& rKEvt ); |
| |
| private: |
| /** Starts tracking at the specified position. */ |
| SC_DLLPRIVATE void StartMouseTracking( sal_Int32 nPos ); |
| /** Moves tracking to a new position. */ |
| SC_DLLPRIVATE void MoveMouseTracking( sal_Int32 nPos ); |
| /** Applies tracking action for the current tracking position. |
| @param bApply sal_True = apply action, sal_False = cancel action. */ |
| SC_DLLPRIVATE void EndMouseTracking( bool bApply ); |
| |
| // painting --------------------------------------------------------------- |
| protected: |
| virtual void Paint( const Rectangle& ); |
| |
| public: |
| /** Redraws the entire ruler. */ |
| void ImplRedraw(); |
| |
| private: |
| /** Returns the width of the control. */ |
| inline sal_Int32 GetWidth() const { return maWinSize.Width(); } |
| /** Returns the height of the control. */ |
| inline sal_Int32 GetHeight() const { return maWinSize.Height(); } |
| |
| /** Draws the background and active area to maBackgrDev (only the given X range). */ |
| SC_DLLPRIVATE void ImplDrawArea( sal_Int32 nPosX, sal_Int32 nWidth ); |
| /** Draws the entire ruler background with scaling to maBackgrDev. */ |
| SC_DLLPRIVATE void ImplDrawBackgrDev(); |
| |
| /** Draws a split to maRulerDev. */ |
| SC_DLLPRIVATE void ImplDrawSplit( sal_Int32 nPos ); |
| /** Erases a split from maRulerDev. */ |
| SC_DLLPRIVATE void ImplEraseSplit( sal_Int32 nPos ); |
| /** Draws the ruler background, all splits and the cursor to maRulerDev. */ |
| SC_DLLPRIVATE void ImplDrawRulerDev(); |
| |
| /** Inverts the cursor bar at the specified position in maRulerDev. */ |
| SC_DLLPRIVATE void ImplInvertCursor( sal_Int32 nPos ); |
| /** Draws directly tracking rectangle to the column with the specified index. */ |
| SC_DLLPRIVATE void ImplDrawTrackingRect(); |
| |
| /** Sets arrow or horizontal split pointer. */ |
| SC_DLLPRIVATE void ImplSetMousePointer( sal_Int32 nPos ); |
| |
| // accessibility ---------------------------------------------------------- |
| protected: |
| /** Creates a new accessible object. */ |
| virtual ScAccessibleCsvControl* ImplCreateAccessible(); |
| }; |
| |
| |
| // ============================================================================ |
| |
| #endif |
| |