word wrapping in GtkCellRendererText
- From: Nathan Fredrickson <nathan silverorange com>
- To: gtk-devel-list gnome org
- Subject: word wrapping in GtkCellRendererText
- Date: Fri, 25 Jun 2004 10:49:16 -0400
Hi,
I'm trying to add word-wrapping to GtkCellRendererText. So far I have
added a word_wrap property and used it when setting up the PangoLayout.
This works great when testing if I hardcode a width by calling
pango_layout_set_width(). However I don't want to add another property
for the wrap width, I want to set the layout width from the current
width of the column.
The layout is created in get_layout(), which is passed cell_area. I
have found that cell_area->width is larger than the visible column
width, so it's of no use to set the layout width.
I found the following code in GtkTreeView. It determines the real
column width to pass to the cell editor. This is the width I need for
the layout, but unfortunately this code can not be used in the cell
renderer as the renderer has no knowledge of the column.
gint left, right;
GdkRectangle area;
area = cell_area;
_gtk_tree_view_column_get_neighbor_sizes (column,
_gtk_tree_view_column_get_edited_cell (column), &left, &right);
area.x += left;
area.width -= right + left;
How can I determine the actual column width from get_layout() in the
renderer?
Thanks,
Nathan
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