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sdgui: let the view act as a drop target for files 

Inspired by how the only reasonable method of launching sdgui
on Windows is by using drag and drop on the executable.

Sadly the top-level window cannot be used as a whole for this.
This commit is contained in:
Přemysl Eric Janouch 2021-10-25 04:00:13 +02:00
parent dc36a88968
commit 2efad7453a
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 46 additions and 5 deletions
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51
src/sdgui.c
View File

@ -245,17 +245,23 @@ init_tabs (void)
gtk_widget_grab_focus (g.entry);
}
static gboolean
reload_dictionaries (GPtrArray *new_dictionaries)
{
GError *error = NULL;
if (!load_dictionaries (new_dictionaries, &error))
static void
show_error_dialog (GError *error)
{
GtkWidget *dialog = gtk_message_dialog_new (GTK_WINDOW (g.window), 0,
GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", error->message);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
g_error_free (error);
}
static gboolean
reload_dictionaries (GPtrArray *new_dictionaries)
{
GError *error = NULL;
if (!load_dictionaries (new_dictionaries, &error))
{
show_error_dialog (error);
return FALSE;
}
@ -306,6 +312,35 @@ on_open (G_GNUC_UNUSED GtkMenuItem *item, G_GNUC_UNUSED gpointer data)
g_ptr_array_free (new_dictionaries, TRUE);
}
static void
on_drag_data_received (G_GNUC_UNUSED GtkWidget *widget,
G_GNUC_UNUSED GdkDragContext *context, G_GNUC_UNUSED gint x,
G_GNUC_UNUSED gint y, GtkSelectionData *data, G_GNUC_UNUSED guint info,
G_GNUC_UNUSED guint time, G_GNUC_UNUSED gpointer user_data)
{
GError *error = NULL;
gchar **dropped_uris = gtk_selection_data_get_uris (data);
if (!dropped_uris)
return;
GPtrArray *new_dictionaries =
g_ptr_array_new_with_free_func ((GDestroyNotify) dictionary_destroy);
for (gsize i = 0; !error && dropped_uris[i]; i++)
{
Dictionary *dict = g_malloc0 (sizeof *dict);
dict->filename = g_filename_from_uri (dropped_uris[i], NULL, &error);
g_ptr_array_add (new_dictionaries, dict);
}
g_strfreev (dropped_uris);
if (error)
show_error_dialog (error);
else if (new_dictionaries->len && reload_dictionaries (new_dictionaries))
return;
g_ptr_array_free (new_dictionaries, TRUE);
}
static void
on_destroy (G_GNUC_UNUSED GtkWidget *widget, G_GNUC_UNUSED gpointer data)
{
@ -453,6 +488,12 @@ main (int argc, char *argv[])
g_signal_connect (clipboard, "owner-change",
G_CALLBACK (on_selection), NULL);
gtk_drag_dest_set (g.view,
GTK_DEST_DEFAULT_ALL, NULL, 0, GDK_ACTION_COPY);
gtk_drag_dest_add_uri_targets (g.view);
g_signal_connect (g.view, "drag-data-received",
G_CALLBACK (on_drag_data_received), NULL);
gtk_widget_show_all (g.window);
gtk_main ();
return 0;