Close open document in cb_destroy

callbacks.c

@@ -18,8 +18,13 @@
 #include "page_widget.h"
 
 gboolean
-cb_destroy(GtkWidget* UNUSED(widget), gpointer UNUSED(data))
+cb_destroy(GtkWidget* UNUSED(widget), zathura_t* zathura)
 {
+  if (zathura != NULL && zathura->document != NULL) {
+    zathura_document_free(zathura->document);
+    zathura->document = NULL;
+  }
+
   gtk_main_quit();
   return TRUE;
 }

callbacks.h

@@ -8,15 +8,16 @@
 #include <girara/macros.h>
 
 #include "document.h"
+#include "zathura.h"
 
 /**
  * Quits the current zathura session
  *
  * @param widget The gtk window of zathura
- * @param data NULL
+ * @param zathura Correspondending zathura session
  * @return true if no error occured and the event has been handled
  */
-gboolean cb_destroy(GtkWidget* widget, gpointer data);
+gboolean cb_destroy(GtkWidget* widget, zathura_t* zathura);
 
 /**
  * This function gets called when the buffer of girara changes

zathura.c

@@ -225,7 +225,7 @@ zathura_init(int argc, char* argv[])
   girara_statusbar_item_set_text(zathura->ui.session, zathura->ui.statusbar.file, "[No Name]");
 
   /* signals */
-  g_signal_connect(G_OBJECT(zathura->ui.session->gtk.window), "destroy", G_CALLBACK(cb_destroy), NULL);
+  g_signal_connect(G_OBJECT(zathura->ui.session->gtk.window), "destroy", G_CALLBACK(cb_destroy), zathura);
 
   /* save page padding */
   zathura->global.page_padding = 1;