-
-static gboolean
-gtk_sheet_move_query (GtkSheet *sheet, gint row, gint column)
-{
- gint height, width;
- gint new_row = row;
- gint new_col = column;
-
- gint row_move = FALSE;
- gint column_move = FALSE;
- gfloat row_align = -1.0;
- gfloat col_align = -1.0;
-
- if (!GTK_WIDGET_REALIZED (GTK_WIDGET (sheet)))
- return FALSE;
-
- gdk_drawable_get_size (sheet->sheet_window, &width, &height);
-
- if (row >= max_visible_row (sheet) &&
- sheet->state != GTK_SHEET_COLUMN_SELECTED)
- {
- row_align = 1.;
- new_row = MIN (g_sheet_row_get_row_count (sheet->row_geometry) - 1, row + 1);
- row_move = TRUE;
- if (max_visible_row (sheet) == g_sheet_row_get_row_count (sheet->row_geometry) - 1 &&
- g_sheet_row_start_pixel (sheet->row_geometry, g_sheet_row_get_row_count (sheet->row_geometry) - 1) +
- g_sheet_row_get_height (sheet->row_geometry, g_sheet_row_get_row_count (sheet->row_geometry) - 1) < height)
- {
- row_move = FALSE;
- row_align = -1.;
- }
- }
-
- if (row < min_visible_row (sheet) && sheet->state != GTK_SHEET_COLUMN_SELECTED)
- {
- row_align= 0.;
- row_move = TRUE;
- }
- if (column >= max_visible_column (sheet) && sheet->state != GTK_SHEET_ROW_SELECTED)
- {
- col_align = 1.;
- new_col = MIN (g_sheet_column_get_column_count (sheet->column_geometry) - 1, column + 1);
- column_move = TRUE;
- if (max_visible_column (sheet) == (g_sheet_column_get_column_count (sheet->column_geometry) - 1) &&
- g_sheet_column_start_pixel (sheet->column_geometry, g_sheet_column_get_column_count (sheet->column_geometry) - 1) +
- g_sheet_column_get_width (sheet->column_geometry, g_sheet_column_get_column_count (sheet->column_geometry) - 1) < width)
- {
- column_move = FALSE;
- col_align = -1.;
- }
- }
- if (column < min_visible_column (sheet) && sheet->state != GTK_SHEET_ROW_SELECTED)
- {
- col_align = 0.0;
- column_move = TRUE;
- }
-
- if (row_move || column_move)
- {
- gtk_sheet_moveto (sheet, new_row, new_col, row_align, col_align);
- }
-
- return (row_move || column_move);
-}
-