363 lines
10 KiB
C++
363 lines
10 KiB
C++
// dialog.cxx: implementation of an XML-configurable dialog box.
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#include <Input/input.hxx>
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#include "dialog.hxx"
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#include "new_gui.hxx"
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////////////////////////////////////////////////////////////////////////
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// Callbacks.
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////////////////////////////////////////////////////////////////////////
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/**
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* User data for a GUI object.
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*/
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struct GUIInfo
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{
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GUIInfo (FGDialog * d);
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virtual ~GUIInfo ();
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FGDialog * dialog;
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vector <FGBinding *> bindings;
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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 = (NewGUI *)globals->get_subsystem("gui");
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gui->setActiveDialog(info->dialog);
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int nBindings = info->bindings.size();
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for (int i = 0; i < nBindings; i++) {
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info->bindings[i]->fire();
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if (gui->getActiveDialog() == 0)
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break;
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}
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gui->setActiveDialog(0);
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}
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////////////////////////////////////////////////////////////////////////
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// Static helper functions.
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////////////////////////////////////////////////////////////////////////
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/**
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* Copy a property value to a PUI object.
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*/
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static void
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copy_to_pui (SGPropertyNode * node, puObject * object)
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{
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switch (node->getType()) {
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case SGPropertyNode::BOOL:
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case SGPropertyNode::INT:
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case SGPropertyNode::LONG:
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object->setValue(node->getIntValue());
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break;
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case SGPropertyNode::FLOAT:
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case SGPropertyNode::DOUBLE:
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object->setValue(node->getFloatValue());
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break;
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default:
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object->setValue(node->getStringValue());
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break;
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}
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}
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static void
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copy_from_pui (puObject * object, SGPropertyNode * node)
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{
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switch (node->getType()) {
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case SGPropertyNode::BOOL:
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case SGPropertyNode::INT:
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case SGPropertyNode::LONG:
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node->setIntValue(object->getIntegerValue());
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break;
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case SGPropertyNode::FLOAT:
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case SGPropertyNode::DOUBLE:
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node->setFloatValue(object->getFloatValue());
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break;
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default:
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node->setStringValue(object->getStringValue());
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break;
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}
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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 (FGDialog * d)
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: dialog(d)
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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 FGDialog.
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////////////////////////////////////////////////////////////////////////
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FGDialog::FGDialog (SGPropertyNode * 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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FGDialog::~FGDialog ()
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{
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puDeleteObject(_object);
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int i;
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// Delete all the arrays we made
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// and were forced to keep around
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// because PUI won't do its own
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// memory management.
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for (i = 0; i < _char_arrays.size(); i++) {
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for (int j = 0; _char_arrays[i][j] != 0; j++)
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free(_char_arrays[i][j]); // added with strdup
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delete _char_arrays[i];
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}
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// Delete all the info objects we
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// were forced to keep around because
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// PUI cannot delete its own user data.
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for (i = 0; i < _info.size(); i++) {
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delete (GUIInfo *)_info[i];
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_info[i] = 0;
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}
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// Finally, delete the property links.
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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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FGDialog::updateValue (const char * objectName)
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{
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for (int i = 0; i < _propertyObjects.size(); i++) {
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const string &name = _propertyObjects[i]->name;
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if (name == objectName)
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copy_to_pui(_propertyObjects[i]->node,
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_propertyObjects[i]->object);
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}
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}
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void
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FGDialog::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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copy_from_pui(_propertyObjects[i]->object,
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_propertyObjects[i]->node);
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}
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}
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void
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FGDialog::updateValues ()
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{
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for (int i = 0; i < _propertyObjects.size(); i++)
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copy_to_pui(_propertyObjects[i]->node, _propertyObjects[i]->object);
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}
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void
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FGDialog::applyValues ()
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{
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for (int i = 0; i < _propertyObjects.size(); i++)
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copy_from_pui(_propertyObjects[i]->object,
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_propertyObjects[i]->node);
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}
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void
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FGDialog::display (SGPropertyNode * 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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FGDialog::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 = "dialog";
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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 == "checkbox") {
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puButton * b;
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b = new puButton(x, y, x + width, y + height, PUBUTTON_CIRCLE);
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setupObject(b, props);
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return b;
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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 if (type == "combo") {
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vector<SGPropertyNode_ptr> value_nodes = props->getChildren("value");
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char ** entries = make_char_array(value_nodes.size());
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for (int i = 0, j = value_nodes.size() - 1;
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i < value_nodes.size();
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i++, j--)
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entries[i] = strdup((char *)value_nodes[i]->getStringValue());
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puComboBox * combo =
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new puComboBox(x, y, x + width, y + height, entries,
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props->getBoolValue("editable", false));
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setupObject(combo, props);
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return combo;
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} else if (type == "slider") {
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bool vertical = props->getBoolValue("vertical", false);
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puSlider * slider = new puSlider(x, y, (vertical ? height : width));
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slider->setMinValue(props->getFloatValue("min", 0.0));
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slider->setMaxValue(props->getFloatValue("max", 1.0));
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setupObject(slider, props);
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return slider;
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} else if (type == "dial") {
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puDial * dial = new puDial(x, y, width);
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dial->setMinValue(props->getFloatValue("min", 0.0));
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dial->setMaxValue(props->getFloatValue("max", 1.0));
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dial->setWrap(props->getBoolValue("wrap", true));
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setupObject(dial, props);
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return dial;
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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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FGDialog::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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copy_to_pui(node, object);
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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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FGDialog::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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char **
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FGDialog::make_char_array (int size)
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{
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char ** list = new char*[size+1];
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for (int i = 0; i <= size; i++)
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list[i] = 0;
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_char_arrays.push_back(list);
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return list;
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}
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////////////////////////////////////////////////////////////////////////
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// Implementation of FGDialog::PropertyObject.
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////////////////////////////////////////////////////////////////////////
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FGDialog::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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// end of dialog.cxx
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