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 fills
- @a newval with the representation of the new value in the string form,
- if necessary saves it using its real type internally, and returns @true.
+ 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
+
+ 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(const wxString& oldval, wxString* newval) = 0;
+ virtual bool EndEdit(int row, int col, const wxGrid* grid,
+ const wxString& oldval, wxString* newval) = 0;
/**
Effectively save the changes in the grid.
/**
@name Column and Row Sizes
+
+ @see @ref overview_grid_resizing
*/
//@{
/**
@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);
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}
projects / wxWidgets.git / blobdiff