gtk/demos/gtk-demo/list_store.c

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/* Tree View/List Store
*
* The GtkListStore is used to store data in list form, to be used
* later on by a GtkTreeView to display it. This demo builds a
* simple GtkListStore and displays it. See the Stock Browser
* demo for a more advanced example.
*
*/
#include <gtk/gtk.h>
static GtkWidget *window = NULL;
typedef struct
{
const gboolean fixed;
const guint number;
const gchar *severity;
const gchar *description;
}
Bug;
enum
{
COLUMN_FIXED,
COLUMN_NUMBER,
COLUMN_SEVERITY,
COLUMN_DESCRIPTION,
NUM_COLUMNS
};
static Bug data[] =
{
{ FALSE, 60482, "Normal", "scrollable notebooks and hidden tabs" },
{ FALSE, 60620, "Critical", "gdk_window_clear_area (gdkwindow-win32.c) is not thread-safe" },
{ FALSE, 50214, "Major", "Xft support does not clean up correctly" },
{ TRUE, 52877, "Major", "GtkFileSelection needs a refresh method. " },
{ FALSE, 56070, "Normal", "Can't click button after setting in sensitive" },
{ TRUE, 56355, "Normal", "GtkLabel - Not all changes propagate correctly" },
{ FALSE, 50055, "Normal", "Rework width/height computations for TreeView" },
{ FALSE, 58278, "Normal", "gtk_dialog_set_response_sensitive () doesn't work" },
{ FALSE, 55767, "Normal", "Getters for all setters" },
{ FALSE, 56925, "Normal", "Gtkcalender size" },
{ FALSE, 56221, "Normal", "Selectable label needs right-click copy menu" },
{ TRUE, 50939, "Normal", "Add shift clicking to GtkTextView" },
{ FALSE, 6112, "Enhancement","netscape-like collapsable toolbars" },
{ FALSE, 1, "Normal", "First bug :=)" },
};
static GtkTreeModel *
create_model (void)
{
gint i = 0;
GtkListStore *store;
GtkTreeIter iter;
/* create list store */
store = gtk_list_store_new (NUM_COLUMNS,
G_TYPE_BOOLEAN,
G_TYPE_UINT,
G_TYPE_STRING,
G_TYPE_STRING);
/* add data to the list store */
for (i = 0; i < G_N_ELEMENTS (data); i++)
{
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
COLUMN_FIXED, data[i].fixed,
COLUMN_NUMBER, data[i].number,
COLUMN_SEVERITY, data[i].severity,
COLUMN_DESCRIPTION, data[i].description,
-1);
}
return GTK_TREE_MODEL (store);
}
static void
fixed_toggled (GtkCellRendererToggle *cell,
gchar *path_str,
gpointer data)
{
GtkTreeModel *model = (GtkTreeModel *)data;
GtkTreeIter iter;
GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
gboolean fixed;
/* get toggled iter */
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_model_get (model, &iter, COLUMN_FIXED, &fixed, -1);
/* do something with the value */
fixed ^= 1;
/* set new value */
gtk_list_store_set (GTK_LIST_STORE (model), &iter, COLUMN_FIXED, fixed, -1);
/* clean up */
gtk_tree_path_free (path);
}
static void
add_columns (GtkTreeView *treeview)
{
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
GtkTreeModel *model = gtk_tree_view_get_model (treeview);
/* column for fixed toggles */
renderer = gtk_cell_renderer_toggle_new ();
g_signal_connect (renderer, "toggled",
G_CALLBACK (fixed_toggled), model);
column = gtk_tree_view_column_new_with_attributes ("Fixed?",
renderer,
"active", COLUMN_FIXED,
NULL);
/* set this column to a fixed sizing (of 50 pixels) */
gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
GTK_TREE_VIEW_COLUMN_FIXED);
gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
gtk_tree_view_append_column (treeview, column);
/* column for bug numbers */
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("Bug number",
renderer,
"text",
COLUMN_NUMBER,
NULL);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_NUMBER);
gtk_tree_view_append_column (treeview, column);
/* column for severities */
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("Severity",
renderer,
"text",
COLUMN_SEVERITY,
NULL);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_SEVERITY);
gtk_tree_view_append_column (treeview, column);
/* column for description */
renderer = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes ("Description",
renderer,
"text",
COLUMN_DESCRIPTION,
NULL);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_DESCRIPTION);
gtk_tree_view_append_column (treeview, column);
}
GtkWidget *
do_list_store (GtkWidget *do_widget)
{
if (!window)
{
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *sw;
GtkTreeModel *model;
GtkWidget *treeview;
/* create window, etc */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_screen (GTK_WINDOW (window),
gtk_widget_get_screen (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "GtkListStore demo");
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
gtk_container_set_border_width (GTK_CONTAINER (window), 8);
vbox = gtk_vbox_new (FALSE, 8);
gtk_container_add (GTK_CONTAINER (window), vbox);
label = gtk_label_new ("This is the bug list (note: not based on real data, it would be nice to have a nice ODBC interface to bugzilla or so, though).");
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
GTK_SHADOW_ETCHED_IN);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_NEVER,
GTK_POLICY_AUTOMATIC);
gtk_box_pack_start (GTK_BOX (vbox), sw, TRUE, TRUE, 0);
/* create tree model */
model = create_model ();
/* create tree view */
treeview = gtk_tree_view_new_with_model (model);
gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (treeview), TRUE);
gtk_tree_view_set_search_column (GTK_TREE_VIEW (treeview),
COLUMN_DESCRIPTION);
g_object_unref (model);
gtk_container_add (GTK_CONTAINER (sw), treeview);
/* add columns to the tree view */
add_columns (GTK_TREE_VIEW (treeview));
/* finish & show */
gtk_window_set_default_size (GTK_WINDOW (window), 280, 250);
}
if (!GTK_WIDGET_VISIBLE (window))
gtk_widget_show_all (window);
else
{
gtk_widget_destroy (window);
window = NULL;
}
return window;
}