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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.
*
*/
#include <gtk/gtk.h>
static GtkWidget *window = NULL;
static GtkTreeModel *model = NULL;
static guint timeout = 0;
typedef struct
{
const gboolean fixed;
const guint number;
const gchar *severity;
const gchar *description;
}
Bug;
enum
{
COLUMN_FIXED,
COLUMN_NUMBER,
COLUMN_SEVERITY,
COLUMN_DESCRIPTION,
COLUMN_PULSE,
COLUMN_ICON,
COLUMN_ACTIVE,
COLUMN_SENSITIVE,
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 gboolean
spinner_timeout (gpointer data)
{
GtkTreeIter iter;
guint pulse;
if (model == NULL)
return G_SOURCE_REMOVE;
gtk_tree_model_get_iter_first (model, &iter);
gtk_tree_model_get (model, &iter,
COLUMN_PULSE, &pulse,
-1);
if (pulse == G_MAXUINT)
pulse = 0;
else
pulse++;
gtk_list_store_set (GTK_LIST_STORE (model),
&iter,
COLUMN_PULSE, pulse,
COLUMN_ACTIVE, TRUE,
-1);
return G_SOURCE_CONTINUE;
}
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,
G_TYPE_UINT,
G_TYPE_STRING,
G_TYPE_BOOLEAN,
G_TYPE_BOOLEAN);
/* add data to the list store */
for (i = 0; i < G_N_ELEMENTS (data); i++)
{
gchar *icon_name;
gboolean sensitive;
if (i == 1 || i == 3)
icon_name = "battery-caution-charging-symbolic";
else
icon_name = NULL;
if (i == 3)
sensitive = FALSE;
else
sensitive = TRUE;
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,
COLUMN_PULSE, 0,
COLUMN_ICON, icon_name,
COLUMN_ACTIVE, FALSE,
COLUMN_SENSITIVE, sensitive,
-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);
/* column for spinner */
renderer = gtk_cell_renderer_spinner_new ();
column = gtk_tree_view_column_new_with_attributes ("Spinning",
renderer,
"pulse",
COLUMN_PULSE,
"active",
COLUMN_ACTIVE,
NULL);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_PULSE);
gtk_tree_view_append_column (treeview, column);
/* column for symbolic icon */
renderer = gtk_cell_renderer_pixbuf_new ();
column = gtk_tree_view_column_new_with_attributes ("Symbolic icon",
renderer,
"icon-name",
COLUMN_ICON,
"sensitive",
COLUMN_SENSITIVE,
NULL);
gtk_tree_view_column_set_sort_column_id (column, COLUMN_ICON);
gtk_tree_view_append_column (treeview, column);
}
static gboolean
window_closed (GtkWidget *widget,
GdkEvent *event,
gpointer user_data)
{
model = NULL;
window = NULL;
if (timeout != 0)
{
g_source_remove (timeout);
timeout = 0;
}
return FALSE;
}
GtkWidget *
do_list_store (GtkWidget *do_widget)
{
if (!window)
{
GtkWidget *vbox;
GtkWidget *label;
GtkWidget *sw;
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), "List Store");
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
g_object_set (vbox, "margin", 8, NULL);
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);
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);
/* create tree model */
model = create_model ();
/* create tree view */
treeview = gtk_tree_view_new_with_model (model);
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);
g_signal_connect (window, "delete-event",
G_CALLBACK (window_closed), NULL);
}
if (!gtk_widget_get_visible (window))
{
gtk_widget_show (window);
if (timeout == 0) {
/* FIXME this should use the animation-duration instead */
timeout = g_timeout_add (80, spinner_timeout, NULL);
}
}
else
{
gtk_widget_destroy (window);
window = NULL;
if (timeout != 0)
{
g_source_remove (timeout);
timeout = 0;
}
}
return window;
}
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