+ SG_LOG(SG_INPUT, SG_ALERT, "Program exit requested.");
+ ConfirmExitDialog();
+ return true;
+}
+
+
+/**
+ * Built-in command: load flight.
+ *
+ * file (optional): the name of the file to load (relative to current
+ * directory). Defaults to "fgfs.sav".
+ */
+static bool
+do_load (const SGPropertyNode * arg, SGCommandState ** state)
+{
+ const string &file = arg->getStringValue("file", "fgfs.sav");
+ ifstream input(file.c_str());
+ if (input.good() && fgLoadFlight(input)) {
+ input.close();
+ SG_LOG(SG_INPUT, SG_INFO, "Restored flight from " << file);
+ return true;
+ } else {
+ SG_LOG(SG_INPUT, SG_ALERT, "Cannot load flight from " << file);
+ return false;
+ }
+}
+
+
+/**
+ * Built-in command: save flight.
+ *
+ * file (optional): the name of the file to save (relative to the
+ * current directory). Defaults to "fgfs.sav".
+ */
+static bool
+do_save (const SGPropertyNode * arg, SGCommandState ** state)
+{
+ const string &file = arg->getStringValue("file", "fgfs.sav");
+ bool write_all = arg->getBoolValue("write-all", false);
+ SG_LOG(SG_INPUT, SG_INFO, "Saving flight");
+ ofstream output(file.c_str());
+ if (output.good() && fgSaveFlight(output, write_all)) {
+ output.close();
+ SG_LOG(SG_INPUT, SG_INFO, "Saved flight to " << file);
+ return true;
+ } else {
+ SG_LOG(SG_INPUT, SG_ALERT, "Cannot save flight to " << file);
+ return false;
+ }
+}
+
+
+/**
+ * Built-in command: (re)load the panel.
+ *
+ * path (optional): the file name to load the panel from
+ * (relative to FG_ROOT). Defaults to the value of /sim/panel/path,
+ * and if that's unspecified, to "Panels/Default/default.xml".
+ */
+static bool
+do_panel_load (const SGPropertyNode * arg, SGCommandState ** state)
+{
+ string panel_path =
+ arg->getStringValue("path",
+ fgGetString("/sim/panel/path",
+ "Panels/Default/default.xml"));
+ FGPanel * new_panel = fgReadPanel(panel_path);
+ if (new_panel == 0) {
+ SG_LOG(SG_INPUT, SG_ALERT,
+ "Error reading new panel from " << panel_path);
+ return false;
+ }
+ SG_LOG(SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path);
+ current_panel->unbind();
+ delete current_panel;
+ current_panel = new_panel;
+ current_panel->bind();
+ return true;
+}
+
+
+/**
+ * Built-in command: pass a mouse click to the panel.
+ *
+ * button: the mouse button number, zero-based.
+ * is-down: true if the button is down, false if it is up.
+ * x-pos: the x position of the mouse click.
+ * y-pos: the y position of the mouse click.
+ */
+static bool
+do_panel_mouse_click (const SGPropertyNode * arg, SGCommandState ** state)
+{
+ if (current_panel != 0)
+ return current_panel
+ ->doMouseAction(arg->getIntValue("button"),
+ arg->getBoolValue("is-down") ? PU_DOWN : PU_UP,
+ arg->getIntValue("x-pos"),
+ arg->getIntValue("y-pos"));
+ else
+ return false;
+}
+
+
+/**
+ * Built-in command: (re)load preferences.
+ *
+ * path (optional): the file name to load the panel from (relative
+ * to FG_ROOT). Defaults to "preferences.xml".
+ */
+static bool
+do_preferences_load (const SGPropertyNode * arg, SGCommandState ** state)
+{
+ const string &path = arg->getStringValue("path", "preferences.xml");
+ SGPath props_path(globals->get_fg_root());
+ props_path.append(path);
+ SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences from "
+ << props_path.str());
+ try {
+ readProperties(props_path.str(), globals->get_props());
+ } catch (const sg_exception &e) {
+ guiErrorMessage("Error reading global preferences: ", e);
+ return false;
+ }
+ SG_LOG(SG_INPUT, SG_INFO, "Successfully read global preferences.");