+ /**
+ Returns an array of individually selected cells.
+
+ Notice that this array does @em not contain all the selected cells in
+ general as it doesn't include the cells selected as part of column, row
+ or block selection. You must use this method, GetSelectedCols(),
+ GetSelectedRows() and GetSelectionBlockTopLeft() and
+ GetSelectionBlockBottomRight() methods to obtain the entire selection
+ in general.
+
+ Please notice this behaviour is by design and is needed in order to
+ support grids of arbitrary size (when an entire column is selected in
+ a grid with a million of columns, we don't want to create an array with
+ a million of entries in this function, instead it returns an empty
+ array and GetSelectedCols() returns an array containing one element).
+ */
+ wxGridCellCoordsArray GetSelectedCells() const;
+
+ /**
+ Returns an array of selected columns.
+
+ Please notice that this method alone is not sufficient to find all the
+ selected columns as it contains only the columns which were
+ individually selected but not those being part of the block selection
+ or being selected in virtue of all of their cells being selected
+ individually, please see GetSelectedCells() for more details.
+ */
+ wxArrayInt GetSelectedCols() const;
+
+ /**
+ Returns an array of selected rows.
+
+ Please notice that this method alone is not sufficient to find all the
+ selected rows as it contains only the rows which were individually
+ selected but not those being part of the block selection or being
+ selected in virtue of all of their cells being selected individually,
+ please see GetSelectedCells() for more details.
+ */
+ wxArrayInt GetSelectedRows() const;
+
+ /**
+ Returns the colour used for drawing the selection background.
+ */
+ wxColour GetSelectionBackground() const;
+
+ /**
+ Returns an array of the bottom right corners of blocks of selected
+ cells.
+
+ Please see GetSelectedCells() for more information about the selection
+ representation in wxGrid.
+
+ @see GetSelectionBlockTopLeft()
+ */
+ wxGridCellCoordsArray GetSelectionBlockBottomRight() const;
+
+ /**
+ Returns an array of the top left corners of blocks of selected cells.
+
+ Please see GetSelectedCells() for more information about the selection
+ representation in wxGrid.
+
+ @see GetSelectionBlockBottomRight()
+ */
+ wxGridCellCoordsArray GetSelectionBlockTopLeft() const;
+
+ /**
+ Returns the colour used for drawing the selection foreground.
+ */
+ wxColour GetSelectionForeground() const;
+
+ /**
+ Returns the current selection mode.
+
+ @see SetSelectionMode().
+ */
+ wxGridSelectionModes GetSelectionMode() const;
+
+ /**
+ Returns @true if the given cell is selected.
+ */
+ bool IsInSelection(int row, int col) const;
+ /**
+ Returns @true if the given cell is selected.
+ */
+ bool IsInSelection(const wxGridCellCoords& coords) const;
+
+ /**
+ Returns @true if there are currently any selected cells, rows, columns
+ or blocks.
+ */
+ bool IsSelection() const;
+
+ /**
+ Selects all cells in the grid.
+ */
+ void SelectAll();
+
+ /**
+ Selects a rectangular block of cells.
+
+ If @a addToSelected is @false then any existing selection will be
+ deselected; if @true the column will be added to the existing
+ selection.
+ */
+ void SelectBlock(int topRow, int leftCol, int bottomRow, int rightCol,
+ bool addToSelected = false);
+ /**
+ Selects a rectangular block of cells.
+
+ If @a addToSelected is @false then any existing selection will be
+ deselected; if @true the column will be added to the existing
+ selection.
+ */
+ void SelectBlock(const wxGridCellCoords& topLeft,
+ const wxGridCellCoords& bottomRight,
+ bool addToSelected = false);
+
+ /**
+ Selects the specified column.
+
+ If @a addToSelected is @false then any existing selection will be
+ deselected; if @true the column will be added to the existing
+ selection.
+
+ This method won't select anything if the current selection mode is
+ wxGridSelectRows.
+ */
+ void SelectCol(int col, bool addToSelected = false);
+
+ /**
+ Selects the specified row.
+
+ If @a addToSelected is @false then any existing selection will be
+ deselected; if @true the row will be added to the existing selection.
+
+ This method won't select anything if the current selection mode is
+ wxGridSelectColumns.
+ */
+ void SelectRow(int row, bool addToSelected = false);
+
+ /**
+ Set the colour to be used for drawing the selection background.
+ */
+ void SetSelectionBackground(const wxColour& c);
+
+ /**
+ Set the colour to be used for drawing the selection foreground.
+ */
+ void SetSelectionForeground(const wxColour& c);
+
+ /**
+ Set the selection behaviour of the grid.
+
+ The existing selection is converted to conform to the new mode if
+ possible and discarded otherwise (e.g. any individual selected cells
+ are deselected if the new mode allows only the selection of the entire
+ rows or columns).
+ */
+ void SetSelectionMode(wxGridSelectionModes selmode);
+
+ //@}
+
+
+ /**
+ @name Scrolling
+ */
+ //@{
+
+ /**
+ Returns the number of pixels per horizontal scroll increment.
+
+ The default is 15.
+
+ @see GetScrollLineY(), SetScrollLineX(), SetScrollLineY()
+ */
+ int GetScrollLineX() const;
+
+ /**
+ Returns the number of pixels per vertical scroll increment.
+
+ The default is 15.
+
+ @see GetScrollLineX(), SetScrollLineX(), SetScrollLineY()
+ */
+ int GetScrollLineY() const;
+
+ /**
+ Returns @true if a cell is either entirely or at least partially
+ visible in the grid window.
+
+ By default, the cell must be entirely visible for this function to
+ return @true but if @a wholeCellVisible is @false, the function returns
+ @true even if the cell is only partially visible.
+ */
+ bool IsVisible(int row, int col, bool wholeCellVisible = true) const;
+ /**
+ Returns @true if a cell is either entirely or at least partially
+ visible in the grid window.
+
+ By default, the cell must be entirely visible for this function to
+ return @true but if @a wholeCellVisible is @false, the function returns
+ @true even if the cell is only partially visible.
+ */
+ bool IsVisible(const wxGridCellCoords& coords,
+ bool wholeCellVisible = true) const;
+
+ /**
+ Brings the specified cell into the visible grid cell area with minimal
+ scrolling.
+
+ Does nothing if the cell is already visible.
+ */
+ void MakeCellVisible(int row, int col);
+ /**
+ Brings the specified cell into the visible grid cell area with minimal
+ scrolling.
+
+ Does nothing if the cell is already visible.
+ */
+ void MakeCellVisible(const wxGridCellCoords& coords);
+
+ /**
+ Sets the number of pixels per horizontal scroll increment.
+
+ The default is 15.
+
+ @see GetScrollLineX(), GetScrollLineY(), SetScrollLineY()
+ */
+ void SetScrollLineX(int x);
+
+ /**
+ Sets the number of pixels per vertical scroll increment.
+
+ The default is 15.
+
+ @see GetScrollLineX(), GetScrollLineY(), SetScrollLineX()
+ */
+ void SetScrollLineY(int y);
+
+ //@}
+
+
+ /**
+ @name Cell and Device Coordinate Translation
+ */
+ //@{
+
+ /**
+ Convert grid cell coordinates to grid window pixel coordinates.
+
+ This function returns the rectangle that encloses the block of cells
+ limited by @a topLeft and @a bottomRight cell in device coords and
+ clipped to the client size of the grid window.
+
+ @see CellToRect()
+ */
+ wxRect BlockToDeviceRect(const wxGridCellCoords& topLeft,
+ const wxGridCellCoords& bottomRight) const;
+
+ /**
+ Return the rectangle corresponding to the grid cell's size and position
+ in logical coordinates.
+
+ @see BlockToDeviceRect()
+ */
+ wxRect CellToRect(int row, int col) const;
+ /**
+ Return the rectangle corresponding to the grid cell's size and position
+ in logical coordinates.
+
+ @see BlockToDeviceRect()
+ */
+ const wxRect CellToRect(const wxGridCellCoords& coords) const;
+
+ /**
+ Returns the column at the given pixel position.
+
+ @param x
+ The x position to evaluate.
+ @param clipToMinMax
+ If @true, rather than returning @c wxNOT_FOUND, it returns either
+ the first or last column depending on whether @a x is too far to
+ the left or right respectively.
+ @return
+ The column index or @c wxNOT_FOUND.
+ */
+ int XToCol(int x, bool clipToMinMax = false) const;
+
+ /**
+ Returns the column whose right hand edge is close to the given logical
+ @a x position.
+
+ If no column edge is near to this position @c wxNOT_FOUND is returned.
+ */
+ int XToEdgeOfCol(int x) const;
+
+ /**
+ Translates logical pixel coordinates to the grid cell coordinates.
+
+ Notice that this function expects logical coordinates on input so if
+ you use this function in a mouse event handler you need to translate
+ the mouse position, which is expressed in device coordinates, to
+ logical ones.
+
+ @see XToCol(), YToRow()
+ */
+ wxGridCellCoords XYToCell(int x, int y) const;
+ /**
+ Translates logical pixel coordinates to the grid cell coordinates.
+
+ Notice that this function expects logical coordinates on input so if
+ you use this function in a mouse event handler you need to translate
+ the mouse position, which is expressed in device coordinates, to
+ logical ones.
+
+ @see XToCol(), YToRow()
+ */
+ wxGridCellCoords XYToCell(const wxPoint& pos) const;
+ // XYToCell(int, int, wxGridCellCoords&) overload is intentionally
+ // undocumented, using it is ugly and non-const reference parameters are
+ // not used in wxWidgets API
+
+ /**
+ Returns the row whose bottom edge is close to the given logical @a y
+ position.
+
+ If no row edge is near to this position @c wxNOT_FOUND is returned.
+ */
+ int YToEdgeOfRow(int y) const;
+
+ /**
+ Returns the grid row that corresponds to the logical @a y coordinate.
+
+ Returns @c wxNOT_FOUND if there is no row at the @a y position.
+ */
+ int YToRow(int y, bool clipToMinMax = false) const;
+
+ //@}
+
+
+ /**
+ @name Miscellaneous Functions
+ */
+ //@{
+
+ /**
+ Appends one or more new columns to the right of the grid.
+
+ The @a updateLabels argument is not used at present. If you are using a
+ derived grid table class you will need to override
+ wxGridTableBase::AppendCols(). See InsertCols() for further
+ information.
+
+ @return @true on success or @false if appending columns failed.
+ */
+ bool AppendCols(int numCols = 1, bool updateLabels = true);
+
+ /**
+ Appends one or more new rows to the bottom of the grid.
+
+ The @a updateLabels argument is not used at present. If you are using a
+ derived grid table class you will need to override
+ wxGridTableBase::AppendRows(). See InsertRows() for further
+ information.
+
+ @return @true on success or @false if appending rows failed.
+ */
+ bool AppendRows(int numRows = 1, bool updateLabels = true);
+
+ /**
+ Return @true if the horizontal grid lines stop at the last column
+ boundary or @false if they continue to the end of the window.
+
+ The default is to clip grid lines.
+
+ @see ClipHorzGridLines(), AreVertGridLinesClipped()
+ */
+ bool AreHorzGridLinesClipped() const;
+
+ /**
+ Return @true if the vertical grid lines stop at the last row
+ boundary or @false if they continue to the end of the window.
+
+ The default is to clip grid lines.
+
+ @see ClipVertGridLines(), AreHorzGridLinesClipped()
+ */
+ bool AreVertGridLinesClipped() const;
+
+ /**
+ Increments the grid's batch count.
+
+ When the count is greater than zero repainting of the grid is
+ suppressed. Each call to BeginBatch must be matched by a later call to
+ EndBatch(). Code that does a lot of grid modification can be enclosed
+ between BeginBatch() and EndBatch() calls to avoid screen flicker. The
+ final EndBatch() call will cause the grid to be repainted.
+
+ Notice that you should use wxGridUpdateLocker which ensures that there
+ is always a matching EndBatch() call for this BeginBatch() if possible
+ instead of calling this method directly.
+ */
+ void BeginBatch();
+
+ /**
+ Clears all data in the underlying grid table and repaints the grid.
+
+ The table is not deleted by this function. If you are using a derived
+ table class then you need to override wxGridTableBase::Clear() for this
+ function to have any effect.
+ */
+ void ClearGrid();
+
+ /**
+ Change whether the horizontal grid lines are clipped by the end of the
+ last column.
+
+ By default the grid lines are not drawn beyond the end of the last
+ column but after calling this function with @a clip set to @false they
+ will be drawn across the entire grid window.
+
+ @see AreHorzGridLinesClipped(), ClipVertGridLines()
+ */
+ void ClipHorzGridLines(bool clip);
+
+ /**
+ Change whether the vertical grid lines are clipped by the end of the
+ last row.
+
+ By default the grid lines are not drawn beyond the end of the last
+ row but after calling this function with @a clip set to @false they
+ will be drawn across the entire grid window.
+
+ @see AreVertGridLinesClipped(), ClipHorzGridLines()
+ */
+ void ClipVertGridLines(bool clip);
+
+ /**
+ Deletes one or more columns from a grid starting at the specified
+ position.
+
+ The @a updateLabels argument is not used at present. If you are using a
+ derived grid table class you will need to override
+ wxGridTableBase::DeleteCols(). See InsertCols() for further
+ information.
+
+ @return @true on success or @false if deleting columns failed.
+ */
+ bool DeleteCols(int pos = 0, int numCols = 1, bool updateLabels = true);
+
+ /**
+ Deletes one or more rows from a grid starting at the specified
+ position.
+
+ The @a updateLabels argument is not used at present. If you are using a
+ derived grid table class you will need to override
+ wxGridTableBase::DeleteRows(). See InsertRows() for further
+ information.
+
+ @return @true on success or @false if appending rows failed.
+ */
+ bool DeleteRows(int pos = 0, int numRows = 1, bool updateLabels = true);
+
+ /**
+ Decrements the grid's batch count.
+
+ When the count is greater than zero repainting of the grid is
+ suppressed. Each previous call to BeginBatch() must be matched by a
+ later call to EndBatch(). Code that does a lot of grid modification can
+ be enclosed between BeginBatch() and EndBatch() calls to avoid screen
+ flicker. The final EndBatch() will cause the grid to be repainted.
+
+ @see wxGridUpdateLocker
+ */
+ void EndBatch();
+
+ /**
+ Overridden wxWindow method.
+ */
+ virtual void Fit();
+
+ /**
+ Causes immediate repainting of the grid.
+
+ Use this instead of the usual wxWindow::Refresh().
+ */
+ void ForceRefresh();
+
+ /**
+ Returns the number of times that BeginBatch() has been called without
+ (yet) matching calls to EndBatch(). While the grid's batch count is
+ greater than zero the display will not be updated.
+ */
+ int GetBatchCount();
+
+ /**
+ Returns the total number of grid columns.
+
+ This is the same as the number of columns in the underlying grid table.
+ */
+ int GetNumberCols() const;
+
+ /**
+ Returns the total number of grid rows.
+
+ This is the same as the number of rows in the underlying grid table.
+ */
+ int GetNumberRows() const;
+
+ /**
+ Returns the attribute for the given cell creating one if necessary.
+
+ If the cell already has an attribute, it is returned. Otherwise a new
+ attribute is created, associated with the cell and returned. In any
+ case the caller must call DecRef() on the returned pointer.
+
+ This function may only be called if CanHaveAttributes() returns @true.
+ */
+ wxGridCellAttr *GetOrCreateCellAttr(int row, int col) const;
+
+ /**
+ Returns a base pointer to the current table object.
+
+ The returned pointer is still owned by the grid.
+ */
+ wxGridTableBase *GetTable() const;
+
+ /**
+ Inserts one or more new columns into a grid with the first new column
+ at the specified position.
+
+ Notice that inserting the columns in the grid requires grid table
+ cooperation: when this method is called, grid object begins by
+ requesting the underlying grid table to insert new columns. If this is
+ successful the table notifies the grid and the grid updates the
+ display. For a default grid (one where you have called CreateGrid())
+ this process is automatic. If you are using a custom grid table
+ (specified with SetTable()) then you must override
+ wxGridTableBase::InsertCols() in your derived table class.
+
+ @param pos
+ The position which the first newly inserted column will have.
+ @param numCols
+ The number of columns to insert.
+ @param updateLabels
+ Currently not used.
+ @return
+ @true if the columns were successfully inserted, @false if an error
+ occurred (most likely the table couldn't be updated).
+ */
+ bool InsertCols(int pos = 0, int numCols = 1, bool updateLabels = true);
+
+ /**
+ Inserts one or more new rows into a grid with the first new row at the
+ specified position.
+
+ Notice that you must implement wxGridTableBase::InsertRows() if you use
+ a grid with a custom table, please see InsertCols() for more
+ information.
+
+ @param pos
+ The position which the first newly inserted row will have.
+ @param numRows
+ The number of rows to insert.
+ @param updateLabels
+ Currently not used.
+ @return
+ @true if the rows were successfully inserted, @false if an error
+ occurred (most likely the table couldn't be updated).
+ */
+ bool InsertRows(int pos = 0, int numRows = 1, bool updateLabels = true);
+
+ /**
+ Sets the cell attributes for all cells in the specified column.
+
+ For more information about controlling grid cell attributes see the
+ wxGridCellAttr cell attribute class and the @ref overview_grid.
projects / wxWidgets.git / blobdiff