On Wed, Nov 22, 2006 at 01:28:32PM +0100, Miroslav Rajcic wrote:
> I am having a problem to underline text for some (not all) nodes in a
> GtkTreeView.
>
> I've tried following:
>
> 1. a) add new column in the tree store of type G_TYPE_ENUM (tried integer
> type too)
Should be G_TYPE_UINT.
> b) attach text renderer to this store column:
>
> gtk_tree_view_column_set_attributes(column, renderer,
> "underline", STORE_IDX_UNDERLINE,
> NULL);
Should be gtk_tree_view_column_add_attribute().
> Unfortuantely, this does not work. I even added a store column for
> "underline-set", and attached the renderer property to that store col.
I'm not quite sure what the logic behind foo-set properties
is either, but setting them to TRUE at the begining and the
just changeing the actual property does what one normally
wants.
> GValue value = { 0, };
> g_value_init (&value, PANGO_TYPE_UNDERLINE);
> g_value_set_enum (&value, PANGO_UNDERLINE_SINGLE);
> g_object_set_property (G_OBJECT (renderer), "underline", &value);
> g_value_unset (&value);
This is a bit overengineered.
g_object_set(renderer, "underline", PANGO_UNDERLINE_SINGLE, NULL);
does exactly the same.
> Does anyone have the code to set underline font for arbitrary node in a tree
No, but can easily make some.
Yeti
--
Whatever.
===========================================================================
#include <string.h>
#include <gtk/gtk.h>
enum { COL_TEXT, COL_ULINE };
int
main(int argc, char *argv[])
{
static const gchar *text[] = {
"Foo", "Bar", "Baz", "Quux", "Bloody", "Underline",
};
GtkTreeViewColumn *column;
GtkCellRenderer *renderer;
GtkListStore *store;
GtkTreeIter iter;
GtkWidget *window, *view;
PangoUnderline uline;
guint i;
gtk_init(&argc, &argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(window), -1, 300);
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_UINT);
for (i = 0; i < G_N_ELEMENTS(text); i++) {
if (strchr(text[i], 'a'))
uline = PANGO_UNDERLINE_DOUBLE;
else if (strchr(text[i], 'o'))
uline = PANGO_UNDERLINE_SINGLE;
else
uline = PANGO_UNDERLINE_NONE;
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter,
COL_TEXT, text[i],
COL_ULINE, uline,
-1);
}
view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
gtk_container_add(GTK_CONTAINER(window), view);
renderer = gtk_cell_renderer_text_new();
g_object_set(renderer, "underline-set", TRUE, NULL);
column = gtk_tree_view_column_new_with_attributes("Text", renderer,
"text", COL_TEXT,
"underline", COL_ULINE,
NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
gtk_widget_show_all(window);
gtk_main();
return 0;
}
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