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flightgear/src/GUI/new_gui.cxx
2003-04-13 21:25:46 +00:00

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// new_gui.cxx: implementation of XML-configurable GUI support.
#include "new_gui.hxx"
#include <plib/pu.h>
#include <plib/ul.h>
#include <simgear/compiler.h>
#include <simgear/misc/exception.hxx>
#include <Main/fg_props.hxx>
#include "menubar.hxx"
#include "dialog.hxx"
SG_USING_STD(map);
////////////////////////////////////////////////////////////////////////
// Implementation of NewGUI.
////////////////////////////////////////////////////////////////////////
NewGUI::NewGUI ()
: _menubar(new FGMenuBar),
_active_dialog(0)
{
}
NewGUI::~NewGUI ()
{
clear();
}
void
NewGUI::init ()
{
char path1[1024];
char path2[1024];
ulMakePath(path1, globals->get_fg_root().c_str(), "gui");
ulMakePath(path2, path1, "dialogs");
readDir(path2);
_menubar->init();
}
void
NewGUI::reinit ()
{
unbind();
clear();
_menubar = new FGMenuBar;
init();
bind();
}
void
NewGUI::bind ()
{
fgTie("/sim/menubar/visibility", this,
&NewGUI::getMenuBarVisible, &NewGUI::setMenuBarVisible);
}
void
NewGUI::unbind ()
{
fgUntie("/sim/menubar/visibility");
}
void
NewGUI::update (double delta_time_sec)
{
// NO OP
}
bool
NewGUI::showDialog (const string &name)
{
if (_dialog_props.find(name) == _dialog_props.end()) {
SG_LOG(SG_GENERAL, SG_ALERT, "Dialog " << name << " not defined");
return false;
} else {
new FGDialog(_dialog_props[name]); // it will be deleted by a callback
return true;
}
}
bool
NewGUI::closeActiveDialog ()
{
if (_active_dialog == 0) {
return false;
} else {
delete _active_dialog;
_active_dialog = 0;
return true;
}
}
void
NewGUI::setActiveDialog (FGDialog * dialog)
{
_active_dialog = dialog;
}
FGDialog *
NewGUI::getActiveDialog ()
{
return _active_dialog;
}
FGMenuBar *
NewGUI::getMenuBar ()
{
return _menubar;
}
bool
NewGUI::getMenuBarVisible () const
{
return _menubar->isVisible();
}
void
NewGUI::setMenuBarVisible (bool visible)
{
if (visible)
_menubar->show();
else
_menubar->hide();
}
void
NewGUI::clear ()
{
delete _menubar;
_menubar = 0;
map<string,SGPropertyNode *>::iterator it;
for (it = _dialog_props.begin(); it != _dialog_props.end(); it++)
delete it->second;
_dialog_props.clear();
}
static bool
test_extension (const char * path, const char * ext)
{
int pathlen = strlen(path);
int extlen = strlen(ext);
for (int i = 1; i <= pathlen && i <= extlen; i++) {
if (path[pathlen-i] != ext[extlen-i])
return false;
}
return true;
}
void
NewGUI::readDir (const char * path)
{
ulDir * dir = ulOpenDir(path);
if (dir == 0) {
SG_LOG(SG_GENERAL, SG_ALERT, "Failed to read GUI files from "
<< path);
return;
}
for (ulDirEnt * dirEnt = ulReadDir(dir);
dirEnt != 0;
dirEnt = ulReadDir(dir)) {
char subpath[1024];
ulMakePath(subpath, path, dirEnt->d_name);
if (!dirEnt->d_isdir && test_extension(subpath, ".xml")) {
SGPropertyNode * props = new SGPropertyNode;
try {
readProperties(subpath, props);
} catch (const sg_exception &ex) {
SG_LOG(SG_INPUT, SG_ALERT, "Error parsing dialog "
<< subpath);
delete props;
continue;
}
if (!props->hasValue("name")) {
SG_LOG(SG_INPUT, SG_WARN, "dialog " << subpath
<< " has no name; skipping.");
delete props;
continue;
}
string name = props->getStringValue("name");
SG_LOG(SG_INPUT, SG_BULK, "Saving dialog " << name);
if (_dialog_props[name] != 0)
delete _dialog_props[name];
_dialog_props[name] = props;
}
}
ulCloseDir(dir);
}
// end of new_gui.cxx