gtk2/demos/gtk-demo/list_store.c
Matthias Clasen 5e256590db Deprecate treeviews and cell renderers
This includes

GtkCellArea
GtkCellAreaBox
GtkCellAreaContext
GtkCellEditable
GtkCellRenderer
GtkCellRendererAccel
GtkCellRendererCombo
GtkCellRendererPixbuf
GtkCellRendererProgress
GtkCellRendererSpin
GtkCellRendererSpinner
GtkCellRendererText
GtkCellRendererToggle
GtkCellView
GtkComboBox
GtkComboBoxText
GtkIconView
GtkListStore
GtkTreeModel
GtkTreeModelFilter
GtkTreeModelSort
GtkTreeStore
GtkTreeView
GtkTreeViewColumn
GtkTreeSelection
2022-10-11 17:18:21 -04:00

322 lines
11 KiB
C

/* 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>
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
static GtkWidget *window = NULL;
static GtkTreeModel *model = NULL;
static guint timeout = 0;
typedef struct
{
const gboolean fixed;
const guint number;
const char *severity;
const char *description;
} Bug;
enum
{
COLUMN_FIXED,
COLUMN_NUMBER,
COLUMN_SEVERITY,
COLUMN_DESCRIPTION,
COLUMN_PULSE,
COLUMN_ICON,
COLUMN_ACTIVE,
COLUMN_SENSITIVE,
NUM_COLUMNS
};
static Bug bugs[] =
{
{ FALSE, 60482, "Normal", "scrollable notebooks and hidden tabs" },
{ FALSE, 60620, "Critical", "gdk_surface_clear_area (gdksurface-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 collapsible 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)
{
int 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 (bugs); i++)
{
const char *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, bugs[i].fixed,
COLUMN_NUMBER, bugs[i].number,
COLUMN_SEVERITY, bugs[i].severity,
COLUMN_DESCRIPTION, bugs[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,
char *path_str,
gpointer data)
{
GtkTreeModel *tree_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 (tree_model, &iter, path);
gtk_tree_model_get (tree_model, &iter, COLUMN_FIXED, &fixed, -1);
/* do something with the value */
fixed ^= 1;
/* set new value */
gtk_list_store_set (GTK_LIST_STORE (tree_model), &iter, COLUMN_FIXED, fixed, -1);
/* clean up */
gtk_tree_path_free (path);
}
static void
add_columns (GtkTreeView *treeview)
{
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
/* 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_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "List Store");
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
gtk_widget_set_margin_start (vbox, 8);
gtk_widget_set_margin_end (vbox, 8);
gtk_widget_set_margin_top (vbox, 8);
gtk_widget_set_margin_bottom (vbox, 8);
gtk_window_set_child (GTK_WINDOW (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_append (GTK_BOX (vbox), label);
sw = gtk_scrolled_window_new ();
gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (sw), TRUE);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_NEVER,
GTK_POLICY_AUTOMATIC);
gtk_box_append (GTK_BOX (vbox), sw);
/* create tree model */
model = create_model ();
/* create tree view */
treeview = gtk_tree_view_new_with_model (model);
gtk_widget_set_vexpand (treeview, TRUE);
gtk_tree_view_set_search_column (GTK_TREE_VIEW (treeview),
COLUMN_DESCRIPTION);
g_object_unref (model);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (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, "destroy", 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_window_destroy (GTK_WINDOW (window));
window = NULL;
if (timeout != 0)
{
g_source_remove (timeout);
timeout = 0;
}
}
return window;
}