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node-editor: Monitor file and reload on changes

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This commit is contained in:
Timm Bäder 2020-05-12 20:09:22 +02:00
parent 167c6119eb
commit 949eb8d17a
1 changed files with 47 additions and 9 deletions
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56
demos/node-editor/node-editor-window.c
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@ -62,6 +62,8 @@ struct _NodeEditorWindow
GListStore *renderers;
GdkPaintable *paintable;
GFileMonitor *file_monitor;
GArray *errors;
};
@ -331,11 +333,10 @@ text_view_query_tooltip_cb (GtkWidget *widget,
}
}
gboolean
node_editor_window_load (NodeEditorWindow *self,
GFile *file)
static gboolean
load_file_contents (NodeEditorWindow *self,
GFile *file)
{
GtkTextIter end;
GBytes *bytes;
bytes = g_file_load_bytes (file, NULL, NULL, NULL);
@ -348,17 +349,54 @@ node_editor_window_load (NodeEditorWindow *self,
return FALSE;
}
gtk_text_buffer_get_end_iter (self->text_buffer, &end);
gtk_text_buffer_insert (self->text_buffer,
&end,
g_bytes_get_data (bytes, NULL),
g_bytes_get_size (bytes));
gtk_text_buffer_set_text (self->text_buffer,
g_bytes_get_data (bytes, NULL),
g_bytes_get_size (bytes));
g_bytes_unref (bytes);
return TRUE;
}
static void
file_changed_cb (GFileMonitor *monitor,
GFile *file,
GFile *other_file,
GFileMonitorEvent event_type,
gpointer user_data)
{
NodeEditorWindow *self = user_data;
if (event_type == G_FILE_MONITOR_EVENT_CHANGED)
load_file_contents (self, file);
}
gboolean
node_editor_window_load (NodeEditorWindow *self,
GFile *file)
{
GError *error = NULL;
if (!load_file_contents (self, file))
return FALSE;
g_clear_object (&self->file_monitor);
self->file_monitor = g_file_monitor_file (file, G_FILE_MONITOR_NONE, NULL, &error);
if (error)
{
g_warning ("couldn't monitor file: %s", error->message);
g_error_free (error);
}
else
{
g_signal_connect (self->file_monitor, "changed", G_CALLBACK (file_changed_cb), self);
}
return TRUE;
}
static void
open_response_cb (GtkWidget *dialog,
gint response,