Add Edit signal

data/org.pwmt.zathura.xml

@@ -28,5 +28,11 @@
     <property type='s' name='filename' access='read' />
     <property type='u' name='pagenumber' access='read' />
     <property type='u' name='numberofpages' access='read' />
+    <!-- Open editor with given input file at line and column. -->
+    <signal name='Edit'>
+      <arg type='s' name='input' direction='out' />
+      <arg type='u' name='line' direction='out' />
+      <arg type='u' name='column' direction='out' />
+    </signal>
   </interface>
 </node>

dbus-interface.c

@@ -163,6 +163,33 @@ zathura_dbus_new(zathura_t* zathura)
   return dbus;
 }
 
+void
+zathura_dbus_edit(ZathuraDbus* edit, unsigned int page, unsigned int x, unsigned int y) {
+  private_t* priv = GET_PRIVATE(edit);
+
+  const char* filename = zathura_document_get_path(priv->zathura->document);
+
+  char* input_file = NULL;
+  unsigned int line = 0;
+  unsigned int column = 0;
+
+  if (synctex_get_input_line_column(filename, page, x, y, &input_file, &line,
+        &column) == false) {
+    return;
+  }
+
+  GError* error = NULL;
+  g_dbus_connection_emit_signal(priv->connection, NULL, DBUS_OBJPATH,
+    DBUS_INTERFACE, "Edit", g_variant_new("(suu)", input_file, x, y), &error);
+
+  g_free(input_file);
+
+  if (error != NULL) {
+    girara_debug("Failed to emit 'Edit' signal: %s", error->message);
+    g_error_free(error);
+  }
+}
+
 /* D-Bus handler */
 
 static void

dbus-interface.h

@@ -41,6 +41,16 @@ GType zathura_dbus_get_type(void);
 
 ZathuraDbus* zathura_dbus_new(zathura_t* zathura);
 
+/**
+ * Emit the 'Edit' signal on the D-Bus connection.
+ *
+ * @param dbus ZathuraDbus instance
+ * @param page page
+ * @param x x coordinate
+ * @param y y coordinate
+ */
+void zathura_dbus_edit(ZathuraDbus* dbus, unsigned int page, unsigned int x, unsigned int y);
+
 /**
  * Look for zathura instance having filename open and cause it to open give page
  * and highlight rectangles on the given page