GTK+ Forums

e-izmir-a · Posted: Sat Jan 19, 2008 10:11 pm Post subject: Treeview problem

Hello Everybody,
After I have looked 2 hours to find a solution for my problem, am I at my limit :(

I have a treeview Widget, and I want to add some items in it. That was no problem, I have only used this code:

Code: (C)

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static GtkTreeModel *
create_liststore (void)
{
GtkListStore *store;
GdkPixbuf *icon_pos, *icon_neg, *icon_avr, *icon;
GtkTreeIter iter;
int i;
s_date date;

/* Loading all icons */
icon_pos = gdk_pixbuf_new_from_file( get_local_dir("data/icons/", "icon_pos", "png") , &error);
if (error)
msg_error(NULL, &errormsg, "Could not load icon", error->message);

icon_avr = gdk_pixbuf_new_from_file( get_local_dir("data/icons/", "icon_avr", "png") , &error);
if (error)
msg_error(NULL, &errormsg, "Could not load icon", error->message);

icon_neg = gdk_pixbuf_new_from_file( get_local_dir("data/icons/", "icon_neg", "png") , &error);
if (error)
msg_error(NULL, &errormsg, "Could not load icon", error->message);

store = gtk_list_store_new (NUM_COLS, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_STRING);

/* Fill */
gtk_calendar_get_date( GTK_CALENDAR( winMain.calendar ), &date.year, &date.month, &date.day);

gtk_calendar_clear_marks ( GTK_CALENDAR( winMain.calendar) ) ;

gtk_list_store_clear (store);

for(i = 1; i <= profile_entries.num; i++)
if( profile_entries.entry[ i ].month == date.month + 1 &&
profile_entries.entry[ i ].year == date.year &&
profile_entries.entry[ i ].day == date.day) {

if( profile_entries.entry[ i ].type == 0) icon = icon_pos;
if( profile_entries.entry[ i ].type == 1) icon = icon_avr;
if( profile_entries.entry[ i ].type == 2) icon = icon_neg;

//gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
COL_ICON, icon,
COL_TITLE, profile_entries.entry[ i ].name,
COL_DES, profile_entries.entry[ i ].text,
-1);
}

return GTK_TREE_MODEL (store);
}
////////////////////////////////////////////////////////////////////////////////////////////////////

void create_treeview()
{
GtkCellRenderer *renderer;
GtkTreeModel *model;

/* --- Column #1 --- */

renderer = gtk_cell_renderer_pixbuf_new ();
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (winMain.view),
-1,
" ",
renderer,
"pixbuf", COL_ICON,
NULL);

/* --- Column #2 --- */

renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (winMain.view),
-1,
"Title",
renderer,
"text", COL_TITLE,
NULL);

/* --- Column #3 --- */

renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (winMain.view),
-1,
"Description",
renderer,
"text", COL_DES,
NULL);

gtk_tree_view_set_model (GTK_TREE_VIEW (winMain.view), NULL);
model = create_liststore ();
gtk_tree_view_set_model (GTK_TREE_VIEW (winMain.view), NULL);
gtk_tree_view_set_model (GTK_TREE_VIEW (winMain.view), model);

/* The tree view has acquired its own reference to the
* model, so we can drop ours. That way the model will
* be freed automatically when the tree view is destroyed */

g_object_unref (model);
}
//////////////////////////////////////////////////////////////////////////////////////////////

....

void on_change_day (GtkWidget *calendar,
gpointer user_data)
{
/* Tree View */
create_treeview();
}
//////////////////////////////////////////////////////////////////////////////////////////////

...

g_signal_connect (G_OBJECT ( winMain.calendar ), "day-selected-double-click",
G_CALLBACK (on_change_day), NULL);

When I click the Calendar widget, to get other Items, It looks terrible:

before the click:

after the click:

Can you help me, what there is wrong ?

Thanks,
Ercan

Micah Carrick · Posted: Sun Jan 20, 2008 4:00 pm Post subject:

Are you referring to the columns being added to the treeview? You probably want to empty your list store each time you re-create the view.