/**
Fetch the value from the table and prepare the edit control to begin
- editing. Sets the focus to the edit control.
+ editing.
+
+ This function should save the original value of the grid cell at the
+ given @a row and @a col and show the control allowing the user to
+ change it.
+
+ @see EndEdit()
*/
virtual void BeginEdit(int row, int col, wxGrid* grid) = 0;
virtual void Destroy();
/**
- Complete the editing of the current cell. If necessary, the control may
- be destroyed.
+ End editing the cell.
+
+ This function must check if the current value of the editing control is
+ valid and different from the original value (available as @a oldval in
+ its string form and possibly saved internally using its real type by
+ BeginEdit()). If it isn't, it just returns @false, otherwise it must do
+ the following:
+ # Save the new value internally so that ApplyEdit() could apply it.
+ # Fill @a newval (which is never @NULL) with the string
+ representation of the new value.
+ # Return @true
- @return @true if the value has changed.
+ Notice that it must @em not modify the grid as the change could still
+ be vetoed.
+
+ If the user-defined wxEVT_GRID_CELL_CHANGING event handler doesn't veto
+ this change, ApplyEdit() will be called next.
*/
- virtual bool EndEdit(int row, int col, wxGrid* grid) = 0;
+ virtual bool EndEdit(int row, int col, const wxGrid* grid,
+ const wxString& oldval, wxString* newval) = 0;
+
+ /**
+ Effectively save the changes in the grid.
+
+ This function should save the value of the control in the grid. It is
+ called only after EndEdit() returns @true.
+ */
+ virtual void ApplyEdit(int row, int col, wxGrid* grid) = 0;
/**
Some types of controls on some platforms may need some help with the
an empty string otherwise.
*/
static void UseStringValues(const wxString& valueTrue = "1",
- const wxString& valueFalse = wxEmptyString) const;
+ const wxString& valueFalse = wxEmptyString);
};
/**
/**
Default constructor.
*/
- wxGridCellAttr();
+ wxGridCellAttr(wxGridCellAttr* attrDefault = NULL);
/**
Constructor specifying some of the often used attributes.
*/
virtual bool CanHaveAttributes();
};
+/**
+ @class wxGridSizesInfo
+
+ wxGridSizesInfo stores information about sizes of all wxGrid rows or
+ columns.
+
+ It assumes that most of the rows or columns (which are both called elements
+ here as the difference between them doesn't matter at this class level)
+ have the default size and so stores it separately. And it uses a wxHashMap
+ to store the sizes of all elements which have the non-default size.
+
+ This structure is particularly useful for serializing the sizes of all
+ wxGrid elements at once.
+
+ @library{wxadv}
+ @category{grid}
+ */
+struct wxGridSizesInfo
+{
+ /**
+ Default constructor.
+
+ m_sizeDefault and m_customSizes must be initialized later.
+ */
+ wxGridSizesInfo();
+
+ /**
+ Constructor.
+
+ This constructor is used by wxGrid::GetRowSizes() and GetColSizes()
+ methods. User code will usually use the default constructor instead.
+
+ @param defSize
+ The default element size.
+ @param allSizes
+ Array containing the sizes of @em all elements, including those
+ which have the default size.
+ */
+ wxGridSizesInfo(int defSize, const wxArrayInt& allSizes);
+
+ /**
+ Get the element size.
+
+ @param pos
+ The index of the element.
+ @return
+ The size for this element, using m_customSizes if @a pos is in it
+ or m_sizeDefault otherwise.
+ */
+ int GetSize(unsigned pos) const;
+
+
+ /// Default size
+ int m_sizeDefault;
+
+ /**
+ Map with element indices as keys and their sizes as values.
+
+ This map only contains the elements with non-default size.
+ */
+ wxUnsignedToIntHashMap m_customSizes;
+};
/**
- wxGridCellFloatEditor
- wxGridCellNumberEditor
- wxGridCellTextEditor
-
+
Please see wxGridEvent, wxGridSizeEvent, wxGridRangeSelectEvent, and
wxGridEditorCreatedEvent for the documentation of all event types you can
use with wxGrid.
/**
Call this in order to make the column labels use a native look by using
- wxRenderer::DrawHeaderButton() internally.
+ wxRendererNative::DrawHeaderButton() internally.
There is no equivalent method for drawing row columns as there is not
native look for that. This option is useful when using wxGrid for
displaying tables and not as a spread-sheet.
- @see UseNativeHeader()
+ @see UseNativeColHeader()
*/
void SetUseNativeColLabels(bool native = true);
are using the grid to display tabular data and don't have thousands of
columns in it.
- Also note that currently @c wxEVT_GRID_LABEL_LEFT_DCLICK and @c
- wxEVT_GRID_LABEL_RIGHT_DCLICK events are not generated for the column
+ Also note that currently @c wxEVT_GRID_LABEL_LEFT_DCLICK and
+ @c wxEVT_GRID_LABEL_RIGHT_DCLICK events are not generated for the column
labels if the native columns header is used (but this limitation could
possibly be lifted in the future).
*/
See wxGridTableBase::CanGetValueAs() and the @ref overview_grid for
more information.
*/
- const wxString GetCellValue(const wxGridCellCoords& coords) const;
+ wxString GetCellValue(const wxGridCellCoords& coords) const;
/**
Returns a pointer to the current default grid cell editor.
/**
@name Column and Row Sizes
+
+ @see @ref overview_grid_resizing
*/
//@{
*/
void ShowRow(int col);
+ /**
+ Get size information for all columns at once.
+
+ This method is useful when the information about all column widths
+ needs to be saved. The widths can be later restored using
+ SetColSizes().
+
+ @sa wxGridSizesInfo, GetRowSizes()
+ */
+ wxGridSizesInfo GetColSizes() const;
+
+ /**
+ Get size information for all row at once.
+
+ @sa wxGridSizesInfo, GetColSizes()
+ */
+ wxGridSizesInfo GetRowSizes() const;
+
+ /**
+ Restore all columns sizes.
+
+ This is usually called with wxGridSizesInfo object previously returned
+ by GetColSizes().
+
+ @sa SetRowSizes()
+ */
+ void SetColSizes(const wxGridSizesInfo& sizeInfo);
+
+ /**
+ Restore all rows sizes.
+
+ @sa SetColSizes()
+ */
+ void SetRowSizes(const wxGridSizesInfo& sizeInfo);
+
//@}
/**
@name User-Resizing and Dragging
+
+ Functions controlling various interactive mouse operations.
+
+ By default, columns and rows can be resized by dragging the edges of
+ their labels (this can be disabled using DisableDragColSize() and
+ DisableDragRowSize() methods). And if grid line dragging is enabled with
+ EnableDragGridSize() they can also be resized by dragging the right or
+ bottom edge of the grid cells.
+
+ Columns can also be moved to interactively change their order but this
+ needs to be explicitly enabled with EnableDragColMove().
*/
//@{
bool CanDragColMove() const;
/**
- Returns @true if columns can be resized by dragging with the mouse.
+ Returns @true if the given column can be resized by dragging with the
+ mouse.
- Columns can be resized by dragging the edges of their labels. If grid
- line dragging is enabled they can also be resized by dragging the right
- edge of the column in the grid cell area (see EnableDragGridSize()).
+ This function returns @true if resizing the columns interactively is
+ globally enabled, i.e. if DisableDragColSize() hadn't been called, and
+ if this column wasn't explicitly marked as non-resizable with
+ DisableColResize().
*/
- bool CanDragColSize() const;
+ bool CanDragColSize(int col) const;
/**
Return @true if the dragging of grid lines to resize rows and columns
bool CanDragGridSize() const;
/**
- Returns @true if rows can be resized by dragging with the mouse.
+ Returns @true if the given row can be resized by dragging with the
+ mouse.
- Rows can be resized by dragging the edges of their labels. If grid line
- dragging is enabled they can also be resized by dragging the lower edge
- of the row in the grid cell area (see EnableDragGridSize()).
+ This is the same as CanDragColSize() but for rows.
*/
- bool CanDragRowSize() const;
+ bool CanDragRowSize(int row) const;
+
+ /**
+ Disable interactive resizing of the specified column.
+
+ This method allows to disable resizing of an individual column in a
+ grid where the columns are otherwise resizable (which is the case by
+ default).
+
+ Notice that currently there is no way to make some columns resizable in
+ a grid where columns can't be resized by default as there doesn't seem
+ to be any need for this in practice. There is also no way to make the
+ column marked as fixed using this method resizeable again because it is
+ supposed that fixed columns are used for static parts of the grid and
+ so should remain fixed during the entire grid lifetime.
+
+ Also notice that disabling interactive column resizing will not prevent
+ the program from changing the column size.
+
+ @see EnableDragColSize()
+ */
+ void DisableColResize(int col);
+
+ /**
+ Disable interactive resizing of the specified row.
+
+ This is the same as DisableColResize() but for rows.
+
+ @see EnableDragRowSize()
+ */
+ void DisableRowResize(int row);
/**
Disables column moving by dragging with the mouse.
/**
Enables or disables column sizing by dragging with the mouse.
+
+ @see DisableColResize()
*/
void EnableDragColSize(bool enable = true);
/**
Enables or disables row sizing by dragging with the mouse.
+
+ @see DisableRowResize()
*/
void EnableDragRowSize(bool enable = true);
*/
void SetColPos(int colID, int newPos);
+ /**
+ Sets the positions of all columns at once.
+
+ This method takes an array containing the indices of the columns in
+ their display order, i.e. uses the same convention as
+ wxHeaderCtrl::SetColumnsOrder().
+ */
+ void SetColumnsOrder(const wxArrayInt& order);
+
/**
Resets the position of the columns to the default.
- */
+ */
void ResetColPos();
//@}
/**
@name Cursor Movement
- */
+ */
//@{
/**
@see BlockToDeviceRect()
*/
- const wxRect CellToRect(const wxGridCellCoords& coords) const;
+ wxRect CellToRect(const wxGridCellCoords& coords) const;
/**
Returns the column at the given pixel position.
//@}
-protected:
- /**
- Returns @true if this grid has support for cell attributes.
-
- The grid supports attributes if it has the associated table which, in
- turn, has attributes support, i.e. wxGridTableBase::CanHaveAttributes()
- returns @true.
- */
- bool CanHaveAttributes() const;
-
- /**
- Get the minimal width of the given column/row.
-
- The value returned by this function may be different than that returned
- by GetColMinimalAcceptableWidth() if SetColMinimalWidth() had been
- called for this column.
- */
- int GetColMinimalWidth(int col) const;
-
- /**
- Returns the coordinate of the right border specified column.
- */
- int GetColRight(int col) const;
-
- /**
- Returns the coordinate of the left border specified column.
- */
- int GetColLeft(int col) const;
-
- /**
- Returns the minimal size for the given column.
-
- The value returned by this function may be different than that returned
- by GetRowMinimalAcceptableHeight() if SetRowMinimalHeight() had been
- called for this row.
- */
- int GetRowMinimalHeight(int col) const;
-
/**
@name Sorting support.
void UnsetSortingColumn();
//@}
+
/**
@name Accessors for component windows.
GetGridColHeader() to access it if you need wxHeaderCtrl-specific
functionality.
*/
- wxWindow *GetGridWindow() const;
+ wxWindow *GetGridColLabelWindow() const;
/**
Return the window in the top left grid corner.
wxHeaderCtrl *GetGridColHeader() const;
//@}
+
+protected:
+ /**
+ Returns @true if this grid has support for cell attributes.
+
+ The grid supports attributes if it has the associated table which, in
+ turn, has attributes support, i.e. wxGridTableBase::CanHaveAttributes()
+ returns @true.
+ */
+ bool CanHaveAttributes() const;
+
+ /**
+ Get the minimal width of the given column/row.
+
+ The value returned by this function may be different than that returned
+ by GetColMinimalAcceptableWidth() if SetColMinimalWidth() had been
+ called for this column.
+ */
+ int GetColMinimalWidth(int col) const;
+
+ /**
+ Returns the coordinate of the right border specified column.
+ */
+ int GetColRight(int col) const;
+
+ /**
+ Returns the coordinate of the left border specified column.
+ */
+ int GetColLeft(int col) const;
+
+ /**
+ Returns the minimal size for the given column.
+
+ The value returned by this function may be different than that returned
+ by GetRowMinimalAcceptableHeight() if SetRowMinimalHeight() had been
+ called for this row.
+ */
+ int GetRowMinimalHeight(int col) const;
};
documented below for brevity.
@beginEventTable{wxGridEvent}
- @event{EVT_GRID_CELL_CHANGE(func)}
- The user changed the data in a cell. Processes a
- @c wxEVT_GRID_CELL_CHANGE event type.
+ @event{EVT_GRID_CELL_CHANGING(func)}
+ The user is about to change the data in a cell. The new cell value as
+ string is available from GetString() event object method. This event
+ can be vetoed if the change is not allowed.
+ Processes a @c wxEVT_GRID_CELL_CHANGING event type.
+ @event{EVT_GRID_CELL_CHANGED(func)}
+ The user changed the data in a cell. The old cell value as string is
+ available from GetString() event object method. Notice that vetoing
+ this event still works for backwards compatibility reasons but any new
+ code should only veto EVT_GRID_CELL_CHANGING event and not this one.
+ Processes a @c wxEVT_GRID_CELL_CHANGED event type.
@event{EVT_GRID_CELL_LEFT_CLICK(func)}
The user clicked a cell with the left mouse button. Processes a
@c wxEVT_GRID_CELL_LEFT_CLICK event type.
proceed in which case wxGrid::SetColPos() is used to reorder the
columns display order without affecting the use of the column indices
otherwise.
-
This event macro corresponds to @c wxEVT_GRID_COL_MOVE event type.
@event{EVT_GRID_COL_SORT(func)}
This event is generated when a column is clicked by the user and its
(and not vetoed) the grid supposes that the table was indeed resorted
and updates the column to indicate the new sort order and refreshes
itself.
-
This event macro corresponds to @c wxEVT_GRID_COL_SORT event type.
@endEventTable
@library{wxadv}
- @category{grid}
+ @category{grid,events}
*/
class wxGridEvent : public wxNotifyEvent
{
*/
wxGridEvent(int id, wxEventType type, wxObject* obj,
int row = -1, int col = -1, int x = -1, int y = -1,
- bool sel = true, bool control = false, bool shift = false,
- bool alt = false, bool meta = false);
+ bool sel = true, const wxKeyboardState& kbd = wxKeyboardState());
/**
Returns @true if the Alt key was down at the time of the event.
This event class contains information about a row/column resize event.
@beginEventTable{wxGridSizeEvent}
- @event{EVT_GRID_COL_SIZE(func)}
- The user resized a column by dragging it. Processes a
- @c wxEVT_GRID_COL_SIZE event type.
- @event{EVT_GRID_ROW_SIZE(func)}
- The user resized a row by dragging it. Processes a
- @c wxEVT_GRID_ROW_SIZE event type.
@event{EVT_GRID_CMD_COL_SIZE(id, func)}
- The user resized a column by dragging it; variant taking a window
- identifier. Processes a @c wxEVT_GRID_COL_SIZE event type.
+ The user resized a column, corresponds to @c wxEVT_GRID_COL_SIZE event
+ type.
@event{EVT_GRID_CMD_ROW_SIZE(id, func)}
- The user resized a row by dragging it; variant taking a window
- identifier. Processes a @c wxEVT_GRID_ROW_SIZE event type.
+ The user resized a row, corresponds to @c wxEVT_GRID_ROW_SIZE event
+ type.
+ @event{EVT_GRID_COL_SIZE(func)}
+ Same as EVT_GRID_CMD_COL_SIZE() but uses `wxID_ANY` id.
+ @event{EVT_GRID_ROW_SIZE(func)}
+ Same as EVT_GRID_CMD_ROW_SIZE() but uses `wxID_ANY` id.
@endEventTable
@library{wxadv}
- @category{grid}
+ @category{grid,events}
*/
class wxGridSizeEvent : public wxNotifyEvent
{
*/
wxGridSizeEvent(int id, wxEventType type, wxObject* obj,
int rowOrCol = -1, int x = -1, int y = -1,
- bool control = false, bool shift = false,
- bool alt = false, bool meta = false);
+ const wxKeyboardState& kbd = wxKeyboardState());
/**
Returns @true if the Alt key was down at the time of the event.
@endEventTable
@library{wxadv}
- @category{grid}
+ @category{grid,events}
*/
class wxGridRangeSelectEvent : public wxNotifyEvent
{
wxObject* obj,
const wxGridCellCoords& topLeft,
const wxGridCellCoords& bottomRight,
- bool sel = true, bool control = false,
- bool shift = false, bool alt = false,
- bool meta = false);
+ bool sel = true, const wxKeyboardState& kbd = wxKeyboardState());
/**
Returns @true if the Alt key was down at the time of the event.
@endEventTable
@library{wxadv}
- @category{grid}
+ @category{grid,events}
*/
class wxGridEditorCreatedEvent : public wxCommandEvent
{
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