0111183153
the keyboard, joystick, mouse, and 2D panel. Exposed methods for applying and updating property values in GUI fields.
349 lines
8.8 KiB
C++
349 lines
8.8 KiB
C++
// new_gui.cxx: implementation of XML-configurable GUI support.
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#include "new_gui.hxx"
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#include <plib/pu.h>
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#include <plib/ul.h>
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#include <vector>
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SG_USING_STD(vector);
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#include <simgear/misc/exception.hxx>
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#include <Main/fg_props.hxx>
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////////////////////////////////////////////////////////////////////////
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// Callbacks.
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////////////////////////////////////////////////////////////////////////
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/**
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* Action callback.
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*/
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static void
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action_callback (puObject * object)
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{
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GUIInfo * info = (GUIInfo *)object->getUserData();
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NewGUI * gui =
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(NewGUI *)globals->get_subsystem_mgr()
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->get_group(FGSubsystemMgr::INIT)->get_subsystem("gui");
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gui->setCurrentWidget(info->widget);
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for (int i = 0; i < info->bindings.size(); i++) {
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std::cerr << "Firing binding " << i << ": " << info->bindings[i]->getCommandName() << std::endl;
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info->bindings[i]->fire();
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std::cerr << "done\n";
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}
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std::cerr << "All bindings fired\n";
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gui->setCurrentWidget(0);
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}
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////////////////////////////////////////////////////////////////////////
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// Implementation of GUIInfo.
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////////////////////////////////////////////////////////////////////////
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GUIInfo::GUIInfo (GUIWidget * w)
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: widget(w)
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{
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}
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GUIInfo::~GUIInfo ()
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{
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for (int i = 0; i < bindings.size(); i++) {
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delete bindings[i];
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bindings[i] = 0;
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}
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}
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////////////////////////////////////////////////////////////////////////
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// Implementation of GUIWidget.
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////////////////////////////////////////////////////////////////////////
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GUIWidget::GUIWidget (SGPropertyNode_ptr props)
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: _object(0)
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{
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display(props);
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}
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GUIWidget::~GUIWidget ()
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{
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std::cerr << "Destroying widget\n";
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delete _object;
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int i;
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for (i = 0; i < _info.size(); i++) {
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delete _info[i];
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_info[i] = 0;
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}
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for (i = 0; i < _propertyObjects.size(); i++) {
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delete _propertyObjects[i];
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_propertyObjects[i] = 0;
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}
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}
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void
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GUIWidget::updateValue (const char * objectName)
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{
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for (int i = 0; i < _propertyObjects.size(); i++) {
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if (_propertyObjects[i]->name == objectName)
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_propertyObjects[i]->object
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->setValue(_propertyObjects[i]->node->getStringValue());
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}
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}
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void
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GUIWidget::applyValue (const char * objectName)
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{
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for (int i = 0; i < _propertyObjects.size(); i++) {
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if (_propertyObjects[i]->name == objectName)
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_propertyObjects[i]->node
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->setStringValue(_propertyObjects[i]
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->object->getStringValue());
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}
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}
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void
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GUIWidget::updateValues ()
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{
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for (int i = 0; i < _propertyObjects.size(); i++) {
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puObject * object = _propertyObjects[i]->object;
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SGPropertyNode_ptr node = _propertyObjects[i]->node;
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object->setValue(node->getStringValue());
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}
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}
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void
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GUIWidget::applyValues ()
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{
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for (int i = 0; i < _propertyObjects.size(); i++) {
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puObject * object = _propertyObjects[i]->object;
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SGPropertyNode_ptr node = _propertyObjects[i]->node;
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node->setStringValue(object->getStringValue());
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}
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}
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void
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GUIWidget::display (SGPropertyNode_ptr props)
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{
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if (_object != 0) {
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SG_LOG(SG_GENERAL, SG_ALERT, "This widget is already active");
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return;
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}
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_object = makeObject(props, 1024, 768);
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if (_object != 0) {
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_object->reveal();
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} else {
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SG_LOG(SG_GENERAL, SG_ALERT, "Widget "
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<< props->getStringValue("name", "[unnamed]")
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<< " does not contain a proper GUI definition");
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}
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}
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puObject *
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GUIWidget::makeObject (SGPropertyNode * props, int parentWidth, int parentHeight)
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{
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int width = props->getIntValue("width", parentWidth);
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int height = props->getIntValue("height", parentHeight);
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int x = props->getIntValue("x", (parentWidth - width) / 2);
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int y = props->getIntValue("y", (parentHeight - height) / 2);
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string type = props->getName();
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if (type == "")
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type = props->getStringValue("type");
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if (type == "") {
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SG_LOG(SG_GENERAL, SG_ALERT, "No type specified for GUI object");
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return 0;
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}
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if (type == "dialog") {
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puPopup * dialog;
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if (props->getBoolValue("modal", false))
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dialog = new puDialogBox(x, y);
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else
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dialog = new puPopup(x, y);
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setupGroup(dialog, props, width, height, true);
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return dialog;
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} else if (type == "group") {
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puGroup * group = new puGroup(x, y);
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setupGroup(group, props, width, height, false);
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return group;
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} else if (type == "input") {
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puInput * input = new puInput(x, y, x + width, y + height);
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setupObject(input, props);
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return input;
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} else if (type == "text") {
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puText * text = new puText(x, y);
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setupObject(text, props);
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return text;
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} else if (type == "button") {
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puButton * b;
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const char * legend = props->getStringValue("legend", "[none]");
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if (props->getBoolValue("one-shot", true))
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b = new puOneShot(x, y, legend);
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else
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b = new puButton(x, y, legend);
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setupObject(b, props);
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return b;
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} else {
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return 0;
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}
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}
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void
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GUIWidget::setupObject (puObject * object, SGPropertyNode * props)
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{
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if (props->hasValue("legend"))
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object->setLegend(props->getStringValue("legend"));
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if (props->hasValue("label"))
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object->setLabel(props->getStringValue("label"));
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if (props->hasValue("property")) {
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const char * name = props->getStringValue("name");
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if (name == 0)
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name = "";
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const char * propname = props->getStringValue("property");
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SGPropertyNode_ptr node = fgGetNode(propname, true);
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object->setValue(node->getStringValue());
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if (name != 0)
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_propertyObjects.push_back(new PropertyObject(name, object, node));
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}
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vector<SGPropertyNode_ptr> nodes = props->getChildren("binding");
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if (nodes.size() > 0) {
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GUIInfo * info = new GUIInfo(this);
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for (int i = 0; i < nodes.size(); i++)
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info->bindings.push_back(new FGBinding(nodes[i]));
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object->setCallback(action_callback);
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object->setUserData(info);
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_info.push_back(info);
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}
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object->makeReturnDefault(props->getBoolValue("default"));
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}
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void
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GUIWidget::setupGroup (puGroup * group, SGPropertyNode * props,
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int width, int height, bool makeFrame)
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{
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setupObject(group, props);
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if (makeFrame)
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new puFrame(0, 0, width, height);
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int nChildren = props->nChildren();
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for (int i = 0; i < nChildren; i++)
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makeObject(props->getChild(i), width, height);
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group->close();
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}
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GUIWidget::PropertyObject::PropertyObject (const char * n,
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puObject * o,
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SGPropertyNode_ptr p)
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: name(n),
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object(o),
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node(p)
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{
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}
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////////////////////////////////////////////////////////////////////////
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// Implementation of NewGUI.
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////////////////////////////////////////////////////////////////////////
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NewGUI::NewGUI ()
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: _current_widget(0)
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{
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}
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NewGUI::~NewGUI ()
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{
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}
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void
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NewGUI::init ()
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{
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char path[1024];
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ulMakePath(path, getenv("FG_ROOT"), "gui");
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readDir(path);
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}
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void
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NewGUI::update (double delta_time_sec)
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{
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// NO OP
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}
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void
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NewGUI::display (const string &name)
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{
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if (_widgets.find(name) == _widgets.end())
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SG_LOG(SG_GENERAL, SG_ALERT, "Dialog " << name << " not defined");
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else
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new GUIWidget(_widgets[name]);
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}
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void
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NewGUI::setCurrentWidget (GUIWidget * widget)
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{
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_current_widget = widget;
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}
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GUIWidget *
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NewGUI::getCurrentWidget ()
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{
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return _current_widget;
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}
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void
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NewGUI::readDir (const char * path)
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{
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ulDir * dir = ulOpenDir(path);
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if (dir == 0) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Failed to read GUI files from "
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<< path);
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return;
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}
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ulDirEnt * dirEnt = ulReadDir(dir);
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while (dirEnt != 0) {
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char subpath[1024];
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ulMakePath(subpath, path, dirEnt->d_name);
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if (dirEnt->d_isdir && dirEnt->d_name[0] != '.') {
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readDir(subpath);
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} else {
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SGPropertyNode_ptr props = new SGPropertyNode;
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try {
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readProperties(subpath, props);
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} catch (const sg_exception &ex) {
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SG_LOG(SG_INPUT, SG_ALERT, "Error parsing GUI file "
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<< subpath);
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}
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if (!props->hasValue("name")) {
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SG_LOG(SG_INPUT, SG_WARN, "GUI file " << subpath
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<< " has no name; skipping.");
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} else {
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string name = props->getStringValue("name");
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SG_LOG(SG_INPUT, SG_BULK, "Saving GUI node " << name);
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_widgets[name] = props;
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}
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}
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dirEnt = ulReadDir(dir);
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}
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ulCloseDir(dir);
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}
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// end of new_gui.cxx
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