mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-25 21:21:21 +00:00
f4f683a469
Make it more clear that the function is supposed to be called during the dispose sequence of a widget.
398 lines
12 KiB
C
398 lines
12 KiB
C
/* List Box/Complex
|
||
*
|
||
* GtkListBox allows lists with complicated layouts, using
|
||
* regular widgets supporting sorting and filtering.
|
||
*/
|
||
|
||
#include <gtk/gtk.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
|
||
static GdkTexture *avatar_texture_other;
|
||
static GtkWidget *window = NULL;
|
||
|
||
#define GTK_TYPE_MESSAGE (gtk_message_get_type ())
|
||
#define GTK_MESSAGE(message) (G_TYPE_CHECK_INSTANCE_CAST ((message), GTK_TYPE_MESSAGE, GtkMessage))
|
||
#define GTK_MESSAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_MESSAGE, GtkMessageClass))
|
||
#define GTK_IS_MESSAGE(message) (G_TYPE_CHECK_INSTANCE_TYPE ((message), GTK_TYPE_MESSAGE))
|
||
#define GTK_IS_MESSAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_MESSAGE))
|
||
#define GTK_MESSAGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_MESSAGE, GtkMessageClass))
|
||
|
||
#define GTK_TYPE_MESSAGE_ROW (gtk_message_row_get_type ())
|
||
#define GTK_MESSAGE_ROW(message_row) (G_TYPE_CHECK_INSTANCE_CAST ((message_row), GTK_TYPE_MESSAGE_ROW, GtkMessageRow))
|
||
#define GTK_MESSAGE_ROW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_MESSAGE_ROW, GtkMessageRowClass))
|
||
#define GTK_IS_MESSAGE_ROW(message_row) (G_TYPE_CHECK_INSTANCE_TYPE ((message_row), GTK_TYPE_MESSAGE_ROW))
|
||
#define GTK_IS_MESSAGE_ROW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_MESSAGE_ROW))
|
||
#define GTK_MESSAGE_ROW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_MESSAGE_ROW, GtkMessageRowClass))
|
||
|
||
typedef struct _GtkMessage GtkMessage;
|
||
typedef struct _GtkMessageClass GtkMessageClass;
|
||
typedef struct _GtkMessageRow GtkMessageRow;
|
||
typedef struct _GtkMessageRowClass GtkMessageRowClass;
|
||
typedef struct _GtkMessageRowPrivate GtkMessageRowPrivate;
|
||
|
||
|
||
struct _GtkMessage
|
||
{
|
||
GObject parent;
|
||
|
||
guint id;
|
||
char *sender_name;
|
||
char *sender_nick;
|
||
char *message;
|
||
gint64 time;
|
||
guint reply_to;
|
||
char *resent_by;
|
||
int n_favorites;
|
||
int n_reshares;
|
||
};
|
||
|
||
struct _GtkMessageClass
|
||
{
|
||
GObjectClass parent_class;
|
||
};
|
||
|
||
struct _GtkMessageRow
|
||
{
|
||
GtkListBoxRow parent;
|
||
|
||
GtkMessageRowPrivate *priv;
|
||
};
|
||
|
||
struct _GtkMessageRowClass
|
||
{
|
||
GtkListBoxRowClass parent_class;
|
||
};
|
||
|
||
struct _GtkMessageRowPrivate
|
||
{
|
||
GtkMessage *message;
|
||
GtkRevealer *details_revealer;
|
||
GtkImage *avatar_image;
|
||
GtkWidget *extra_buttons_box;
|
||
GtkLabel *content_label;
|
||
GtkLabel *source_name;
|
||
GtkLabel *source_nick;
|
||
GtkLabel *short_time_label;
|
||
GtkLabel *detailed_time_label;
|
||
GtkBox *resent_box;
|
||
GtkLinkButton *resent_by_button;
|
||
GtkLabel *n_favorites_label;
|
||
GtkLabel *n_reshares_label;
|
||
GtkButton *expand_button;
|
||
};
|
||
|
||
GType gtk_message_get_type (void) G_GNUC_CONST;
|
||
GType gtk_message_row_get_type (void) G_GNUC_CONST;
|
||
|
||
G_DEFINE_TYPE (GtkMessage, gtk_message, G_TYPE_OBJECT);
|
||
|
||
static void
|
||
gtk_message_finalize (GObject *obj)
|
||
{
|
||
GtkMessage *msg = GTK_MESSAGE (obj);
|
||
|
||
g_free (msg->sender_name);
|
||
g_free (msg->sender_nick);
|
||
g_free (msg->message);
|
||
g_free (msg->resent_by);
|
||
|
||
G_OBJECT_CLASS (gtk_message_parent_class)->finalize (obj);
|
||
}
|
||
static void
|
||
gtk_message_class_init (GtkMessageClass *klass)
|
||
{
|
||
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
||
object_class->finalize = gtk_message_finalize;
|
||
}
|
||
|
||
static void
|
||
gtk_message_init (GtkMessage *msg)
|
||
{
|
||
}
|
||
|
||
static void
|
||
gtk_message_parse (GtkMessage *msg, const char *str)
|
||
{
|
||
char **strv;
|
||
int i;
|
||
|
||
strv = g_strsplit (str, "|", 0);
|
||
|
||
i = 0;
|
||
msg->id = strtol (strv[i++], NULL, 10);
|
||
msg->sender_name = g_strdup (strv[i++]);
|
||
msg->sender_nick = g_strdup (strv[i++]);
|
||
msg->message = g_strdup (strv[i++]);
|
||
msg->time = strtol (strv[i++], NULL, 10);
|
||
if (strv[i])
|
||
{
|
||
msg->reply_to = strtol (strv[i++], NULL, 10);
|
||
if (strv[i])
|
||
{
|
||
if (*strv[i])
|
||
msg->resent_by = g_strdup (strv[i]);
|
||
i++;
|
||
if (strv[i])
|
||
{
|
||
msg->n_favorites = strtol (strv[i++], NULL, 10);
|
||
if (strv[i])
|
||
{
|
||
msg->n_reshares = strtol (strv[i++], NULL, 10);
|
||
}
|
||
|
||
}
|
||
}
|
||
}
|
||
|
||
g_strfreev (strv);
|
||
}
|
||
|
||
static GtkMessage *
|
||
gtk_message_new (const char *str)
|
||
{
|
||
GtkMessage *msg;
|
||
msg = g_object_new (gtk_message_get_type (), NULL);
|
||
gtk_message_parse (msg, str);
|
||
return msg;
|
||
}
|
||
|
||
G_DEFINE_TYPE_WITH_PRIVATE (GtkMessageRow, gtk_message_row, GTK_TYPE_LIST_BOX_ROW);
|
||
|
||
|
||
static void
|
||
gtk_message_row_update (GtkMessageRow *row)
|
||
{
|
||
GtkMessageRowPrivate *priv = row->priv;
|
||
GDateTime *t;
|
||
char *s;
|
||
|
||
gtk_label_set_text (priv->source_name, priv->message->sender_name);
|
||
gtk_label_set_text (priv->source_nick, priv->message->sender_nick);
|
||
gtk_label_set_text (priv->content_label, priv->message->message);
|
||
t = g_date_time_new_from_unix_utc (priv->message->time);
|
||
s = g_date_time_format (t, "%e %b %y");
|
||
gtk_label_set_text (priv->short_time_label, s);
|
||
g_free (s);
|
||
s = g_date_time_format (t, "%X - %e %b %Y");
|
||
gtk_label_set_text (priv->detailed_time_label, s);
|
||
g_free (s);
|
||
g_date_time_unref (t);
|
||
|
||
gtk_widget_set_visible (GTK_WIDGET(priv->n_favorites_label),
|
||
priv->message->n_favorites != 0);
|
||
s = g_strdup_printf ("<b>%d</b>\nFavorites", priv->message->n_favorites);
|
||
gtk_label_set_markup (priv->n_favorites_label, s);
|
||
g_free (s);
|
||
|
||
gtk_widget_set_visible (GTK_WIDGET(priv->n_reshares_label),
|
||
priv->message->n_reshares != 0);
|
||
s = g_strdup_printf ("<b>%d</b>\nReshares", priv->message->n_reshares);
|
||
gtk_label_set_markup (priv->n_reshares_label, s);
|
||
g_free (s);
|
||
|
||
gtk_widget_set_visible (GTK_WIDGET (priv->resent_box), priv->message->resent_by != NULL);
|
||
if (priv->message->resent_by)
|
||
gtk_button_set_label (GTK_BUTTON (priv->resent_by_button), priv->message->resent_by);
|
||
|
||
if (strcmp (priv->message->sender_nick, "@GTKtoolkit") == 0)
|
||
gtk_image_set_from_icon_name (priv->avatar_image, "org.gtk.Demo4");
|
||
else
|
||
gtk_image_set_from_paintable (priv->avatar_image, GDK_PAINTABLE (avatar_texture_other));
|
||
|
||
}
|
||
|
||
static void
|
||
gtk_message_row_expand (GtkMessageRow *row)
|
||
{
|
||
GtkMessageRowPrivate *priv = row->priv;
|
||
gboolean expand;
|
||
|
||
expand = !gtk_revealer_get_reveal_child (priv->details_revealer);
|
||
|
||
gtk_revealer_set_reveal_child (priv->details_revealer, expand);
|
||
if (expand)
|
||
gtk_button_set_label (priv->expand_button, "Hide");
|
||
else
|
||
gtk_button_set_label (priv->expand_button, "Expand");
|
||
}
|
||
|
||
static void
|
||
expand_clicked (GtkMessageRow *row,
|
||
GtkButton *button)
|
||
{
|
||
gtk_message_row_expand (row);
|
||
}
|
||
|
||
static void
|
||
reshare_clicked (GtkMessageRow *row,
|
||
GtkButton *button)
|
||
{
|
||
GtkMessageRowPrivate *priv = row->priv;
|
||
|
||
priv->message->n_reshares++;
|
||
gtk_message_row_update (row);
|
||
}
|
||
|
||
static void
|
||
favorite_clicked (GtkMessageRow *row,
|
||
GtkButton *button)
|
||
{
|
||
GtkMessageRowPrivate *priv = row->priv;
|
||
|
||
priv->message->n_favorites++;
|
||
gtk_message_row_update (row);
|
||
}
|
||
|
||
static void
|
||
gtk_message_row_state_flags_changed (GtkWidget *widget,
|
||
GtkStateFlags previous_state_flags)
|
||
{
|
||
GtkMessageRowPrivate *priv = GTK_MESSAGE_ROW (widget)->priv;
|
||
GtkStateFlags flags;
|
||
gboolean visible;
|
||
|
||
flags = gtk_widget_get_state_flags (widget);
|
||
|
||
visible = flags & (GTK_STATE_FLAG_PRELIGHT | GTK_STATE_FLAG_SELECTED) ? TRUE : FALSE;
|
||
gtk_widget_set_visible (priv->extra_buttons_box, visible);
|
||
|
||
GTK_WIDGET_CLASS (gtk_message_row_parent_class)->state_flags_changed (widget, previous_state_flags);
|
||
}
|
||
|
||
static void
|
||
gtk_message_row_dispose (GObject *obj)
|
||
{
|
||
gtk_widget_dispose_template (GTK_WIDGET (obj), GTK_TYPE_MESSAGE_ROW);
|
||
G_OBJECT_CLASS (gtk_message_row_parent_class)->dispose (obj);
|
||
}
|
||
|
||
static void
|
||
gtk_message_row_finalize (GObject *obj)
|
||
{
|
||
GtkMessageRowPrivate *priv = GTK_MESSAGE_ROW (obj)->priv;
|
||
g_object_unref (priv->message);
|
||
G_OBJECT_CLASS (gtk_message_row_parent_class)->finalize (obj);
|
||
}
|
||
|
||
static void
|
||
gtk_message_row_class_init (GtkMessageRowClass *klass)
|
||
{
|
||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
||
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
||
|
||
object_class->dispose = gtk_message_row_dispose;
|
||
object_class->finalize = gtk_message_row_finalize;
|
||
|
||
gtk_widget_class_set_template_from_resource (widget_class, "/listbox/listbox.ui");
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, content_label);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, source_name);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, source_nick);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, short_time_label);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, detailed_time_label);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, extra_buttons_box);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, details_revealer);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, avatar_image);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, resent_box);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, resent_by_button);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, n_reshares_label);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, n_favorites_label);
|
||
gtk_widget_class_bind_template_child_private (widget_class, GtkMessageRow, expand_button);
|
||
gtk_widget_class_bind_template_callback (widget_class, expand_clicked);
|
||
gtk_widget_class_bind_template_callback (widget_class, reshare_clicked);
|
||
gtk_widget_class_bind_template_callback (widget_class, favorite_clicked);
|
||
|
||
widget_class->state_flags_changed = gtk_message_row_state_flags_changed;
|
||
}
|
||
|
||
static void
|
||
gtk_message_row_init (GtkMessageRow *row)
|
||
{
|
||
row->priv = gtk_message_row_get_instance_private (row);
|
||
|
||
gtk_widget_init_template (GTK_WIDGET (row));
|
||
}
|
||
|
||
static GtkMessageRow *
|
||
gtk_message_row_new (GtkMessage *message)
|
||
{
|
||
GtkMessageRow *row;
|
||
|
||
row = g_object_new (gtk_message_row_get_type (), NULL);
|
||
row->priv->message = message;
|
||
gtk_message_row_update (row);
|
||
|
||
return row;
|
||
}
|
||
|
||
static int
|
||
gtk_message_row_sort (GtkMessageRow *a, GtkMessageRow *b, gpointer data)
|
||
{
|
||
return b->priv->message->time - a->priv->message->time;
|
||
}
|
||
|
||
static void
|
||
row_activated (GtkListBox *listbox, GtkListBoxRow *row)
|
||
{
|
||
gtk_message_row_expand (GTK_MESSAGE_ROW (row));
|
||
}
|
||
|
||
GtkWidget *
|
||
do_listbox (GtkWidget *do_widget)
|
||
{
|
||
GtkWidget *scrolled, *listbox, *vbox, *label;
|
||
GtkMessage *message;
|
||
GtkMessageRow *row;
|
||
GBytes *data;
|
||
char **lines;
|
||
int i;
|
||
|
||
if (!window)
|
||
{
|
||
avatar_texture_other = gdk_texture_new_from_resource ("/listbox/apple-red.png");
|
||
|
||
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 Box — Complex");
|
||
gtk_window_set_default_size (GTK_WINDOW (window), 400, 600);
|
||
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
|
||
|
||
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
|
||
gtk_window_set_child (GTK_WINDOW (window), vbox);
|
||
label = gtk_label_new ("Messages from GTK and friends");
|
||
gtk_box_append (GTK_BOX (vbox), label);
|
||
scrolled = gtk_scrolled_window_new ();
|
||
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
|
||
gtk_widget_set_vexpand (scrolled, TRUE);
|
||
gtk_box_append (GTK_BOX (vbox), scrolled);
|
||
listbox = gtk_list_box_new ();
|
||
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (scrolled), listbox);
|
||
|
||
gtk_list_box_set_sort_func (GTK_LIST_BOX (listbox), (GtkListBoxSortFunc)gtk_message_row_sort, listbox, NULL);
|
||
gtk_list_box_set_activate_on_single_click (GTK_LIST_BOX (listbox), FALSE);
|
||
g_signal_connect (listbox, "row-activated", G_CALLBACK (row_activated), NULL);
|
||
|
||
data = g_resources_lookup_data ("/listbox/messages.txt", 0, NULL);
|
||
lines = g_strsplit (g_bytes_get_data (data, NULL), "\n", 0);
|
||
|
||
for (i = 0; lines[i] != NULL && *lines[i]; i++)
|
||
{
|
||
message = gtk_message_new (lines[i]);
|
||
row = gtk_message_row_new (message);
|
||
gtk_widget_show (GTK_WIDGET (row));
|
||
gtk_list_box_insert (GTK_LIST_BOX (listbox), GTK_WIDGET (row), -1);
|
||
}
|
||
|
||
g_strfreev (lines);
|
||
g_bytes_unref (data);
|
||
}
|
||
|
||
if (!gtk_widget_get_visible (window))
|
||
gtk_widget_show (window);
|
||
else
|
||
gtk_window_destroy (GTK_WINDOW (window));
|
||
|
||
return window;
|
||
}
|