Re: TreeView and Window resize?
- From: David Nečas (Yeti) <yeti physics muni cz>
- To: gtk-list gnome org
- Subject: Re: TreeView and Window resize?
- Date: Sun, 20 May 2007 20:46:38 +0200
On Sat, May 19, 2007 at 11:44:01AM -0700, OrangeCocktail wrote:
>
> I have got a question regarding the use of the Treeview.
>
> How do I make the TreeView resize when I resize the window of the
> application? I have put a TreeView inside a ScrolledWindow. As long as there
> is no model associated with the TreeView, the widget expands correctly when
> resizing the window. But once I have created a model and added it to the
> TreeView, the widget doesn't expand anymore, it's size stays fixed. How do I
> make a TreeVew resize together with the window, so that it fills all
> available space?
The attached code shows that a treeview packed as you
describe does not behave as you describe. So, maybe you
pack the scrolled window into some other container without
expand & fill flags (thgough that would not explain the
modelless behaviour), maybe... who knows, there are too many
possible combinations of policies, modes and packing flags.
A compilable code worths a thousand words of description.
Yeti
--
http://gwyddion.net/
===============================================================
#include <time.h>
#include <sys/stat.h>
#include <gtk/gtk.h>
#include <glib/gstdio.h>
enum {
COLUMN_NAME,
COLUMN_SIZE,
COLUMN_DATE,
N_COLUMNS
};
static void
fill_model(GtkListStore *store)
{
GDir *dir;
if ((dir = g_dir_open(".", 0, NULL))) {
const gchar *name;
while ((name = g_dir_read_name(dir))) {
struct stat st;
if (!g_stat(name, &st)) {
guint64 time, size;
GtkTreeIter iter;
time = st.st_mtime;
size = st.st_size;
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter,
COLUMN_NAME, name,
COLUMN_SIZE, size,
COLUMN_DATE, time,
-1);
}
/* else something */
}
}
/* else something */
}
static void
render_date(G_GNUC_UNUSED GtkTreeViewColumn *column,
GtkCellRenderer *renderer,
GtkTreeModel *model,
GtkTreeIter *iter,
G_GNUC_UNUSED gpointer data)
{
guint64 i;
time_t time;
struct tm *tm;
gchar s[24];
gtk_tree_model_get(model, iter, COLUMN_DATE, &i, -1);
time = i;
tm = localtime(&time);
strftime(s, sizeof(s), "%Y-%m-%d %H:%M:%S", tm); /* ISO 8601 */
g_object_set(G_OBJECT(renderer), "text", s, NULL);
}
int
main(int argc,
char *argv[])
{
GtkWidget *window, *view, *scrlwindow;
GtkTreeViewColumn *column;
GtkCellRenderer *renderer;
GtkListStore *store;
gtk_init(&argc, &argv);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(window), 360, 240);
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
scrlwindow = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrlwindow),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(window), scrlwindow);
store = gtk_list_store_new(N_COLUMNS,
G_TYPE_STRING, G_TYPE_INT64, G_TYPE_INT64);
fill_model(store);
view = gtk_tree_view_new();
gtk_container_add(GTK_CONTAINER(scrlwindow), view);
gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
COLUMN_NAME, GTK_SORT_ASCENDING);
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes("Name", renderer,
"text", COLUMN_NAME,
NULL);
gtk_tree_view_column_set_expand(column, TRUE);
gtk_tree_view_column_set_sort_column_id(column, COLUMN_NAME);
gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
renderer = gtk_cell_renderer_text_new();
g_object_set(G_OBJECT(renderer), "xalign", 1.0, NULL);
column = gtk_tree_view_column_new_with_attributes("Size", renderer,
"text", COLUMN_SIZE,
NULL);
gtk_tree_view_column_set_sort_column_id(column, COLUMN_SIZE);
gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes("Date", renderer,
NULL);
gtk_tree_view_column_set_cell_data_func(column, renderer,
&render_date, NULL, NULL);
gtk_tree_view_column_set_sort_column_id(column, COLUMN_DATE);
gtk_tree_view_append_column(GTK_TREE_VIEW(view), column);
gtk_widget_show_all(window);
gtk_main();
return 0;
}
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