Re: Changing foreground and background color in GtkListView rows

[Stefan Kost <kost imn htwk-leipzig de>]

make the color part of your model. connect bg_color of renderer to the color
column in model and put the respective colors into the model.

http://scentric.net/tutorial/sec-treeview-col-whole-row.html

Stefan

marcodev comcast net wrote:
> I have the following code creating the column and its renderer in the list:
> {
> ......
>      vars_list = gtk_tree_view_new ();
>      renderer = gtk_cell_renderer_text_new();
>      column = gtk_tree_view_column_new_with_attributes(var_list_col_title,
>                                                        renderer,
>                                                        "text", 0,
>                                                        NULL);
>      gtk_tree_view_append_column(GTK_TREE_VIEW(vars_list), column);
> ......
> }
>
> The list displays the values of variables in memory and is updated by a timout that runs periodically. When 
> a variable is added (appended) to the list I use the following:
>
> void
> APPEND_TO_CLIST(GtkListStore *LIST, int ROW, char *STRING)
> {
> .....
>    GtkTreeIter iter;
>
>    gtk_list_store_append(LIST, &iter);
>    gtk_list_store_set(LIST, &iter,
>                       0, STRING,
>                       -1);
>
>    if(ROW % 2 == 0)
>    {
>       g_object_set(renderer, "background-gdk",
>                                   MM_GLBL->COLORS.CLIST_BG_A, NULL);
>    }
>    else
>    {
>       g_object_set(renderer, "background-gdk",
>                                   MM_GLBL->COLORS.CLIST_BG_B, NULL);
>    }
> ....
> }
>
> The above however is not changing the color on the background as I expected it. Am I even doing this right?
>
> The following issue might be related to the same problem I have with the code above, when the value of a 
> variable in the list is updated the value should be displayed in one color (black) and when the value has 
> remained unchanged for a period of time then it should switch to another color (red). This is the code I 
> use for this:
>
> void
> UPDATE_CLIST_VALUE(GtkListStore *LIST, GtkTreeIter *ITER, char *STRING, 
>                                         BOOLEAN NEWLY_CHANGED)
> {
> ......
>    if (NEWLY_CHANGED)
>    {
>       g_object_set(renderer, "foreground", "Black", NULL);
>    }
>    else
>    {
>       g_object_set(renderer, "foreground", "Red", NULL);
>    }
>
>    gtk_list_store_set(list_store, ITER,
>                                 0, STRING,
>                             -1);
> //   g_object_set(renderer, "text", STRING, NULL);
> .......
> }
>
> The problem I have here is that when the color is chaned in the renderer and I set the value in the store 
> to a specific ITER then the entire column changes color, I need to have only ONE iter (row) to change color 
> as requested.
>
> Any suggestions?
>
> Thanks!!
> _______________________________________________
> gtk-app-devel-list mailing list
> gtk-app-devel-list gnome org
> http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list

-- 
      \|/            Stefan Kost
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