170 lines
4.2 KiB
C++
170 lines
4.2 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 <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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NewGUI::NewGUI ()
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: _activeObject(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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SGPropertyNode props;
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try {
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fgLoadProps("gui.xml", &props);
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} catch (const sg_exception &ex) {
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SG_LOG(SG_INPUT, SG_ALERT, "Error parsing gui.xml: "
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<< ex.getMessage());
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return;
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}
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int nChildren = props.nChildren();
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for (int i = 0; i < nChildren; i++) {
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SGPropertyNode_ptr child = props.getChild(i);
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if (!child->hasValue("name")) {
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SG_LOG(SG_INPUT, SG_WARN, "GUI node " << child->getName()
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<< " has no name; skipping.");
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} else {
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string name = child->getStringValue("name");
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SG_LOG(SG_INPUT, SG_BULK, "Saving GUI node " << name);
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_objects[name] = child;
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}
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}
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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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static void
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close_callback (puObject * object)
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{
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((NewGUI *)object->getUserData())->closeActiveObject();
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}
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void
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NewGUI::closeActiveObject ()
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{
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delete _activeObject;
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_activeObject = 0;
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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 (_activeObject != 0) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Another GUI object is still active");
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return;
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}
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if (_objects.find(name) == _objects.end()) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Dialog " << name << " not defined");
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return;
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}
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SGPropertyNode_ptr props = _objects[name];
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_activeObject = makeObject(props, 1024, 768);
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if (_activeObject != 0) {
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_activeObject->reveal();
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} else {
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SG_LOG(SG_GENERAL, SG_ALERT, "Dialog " << name
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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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NewGUI::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 == "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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b->setCallback(close_callback);
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b->setUserData(this);
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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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NewGUI::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("default-value-prop"))
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object->setValue(fgGetString(props->getStringValue("default-value-prop")));
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object->makeReturnDefault(props->getBoolValue("default"));
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}
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void
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NewGUI::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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// end of new_gui.cxx
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