394 lines
11 KiB
C++
394 lines
11 KiB
C++
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <string.h>
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#include <iostream>
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#include <plib/pu.h>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/structure/SGBinding.hxx>
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#include <Main/globals.hxx>
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#include "new_gui.hxx"
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#include "menubar.hxx"
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////////////////////////////////////////////////////////////////////////
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// FIXME!!
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//
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// Deprecated wrappers for old menu commands.
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//
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// DO NOT ADD TO THESE. THEY WILL BE DELETED SOON!
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//
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// These are defined in gui_funcs.cxx. They should be replaced with
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// user-configured dialogs and new commands where necessary.
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////////////////////////////////////////////////////////////////////////
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#if defined(TR_HIRES_SNAP)
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extern void dumpHiResSnapShot ();
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static bool
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do_hires_snapshot_dialog (const SGPropertyNode * arg)
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{
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dumpHiResSnapShot();
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return true;
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}
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#endif // TR_HIRES_SNAP
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#if defined( WIN32 ) && !defined( __CYGWIN__) && !defined(__MINGW32__)
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extern void printScreen ();
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static bool
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do_print_dialog (const SGPropertyNode * arg)
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{
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printScreen();
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return true;
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}
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#endif
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extern void helpCb ();
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static bool
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do_help_dialog (const SGPropertyNode * arg)
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{
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helpCb();
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return true;
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}
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static struct {
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const char * name;
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SGCommandMgr::command_t command;
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} deprecated_dialogs [] = {
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#if defined(TR_HIRES_SNAP)
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{ "old-hires-snapshot-dialog", do_hires_snapshot_dialog },
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#endif
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#if defined( WIN32 ) && !defined( __CYGWIN__) && !defined(__MINGW32__)
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{ "old-print-dialog", do_print_dialog },
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#endif
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{ "old-help-dialog", do_help_dialog },
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{ 0, 0 }
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};
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static void
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add_deprecated_dialogs ()
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{
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SG_LOG(SG_GENERAL, SG_INFO, "Initializing old dialog commands:");
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for (int i = 0; deprecated_dialogs[i].name != 0; i++) {
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SG_LOG(SG_GENERAL, SG_INFO, " " << deprecated_dialogs[i].name);
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globals->get_commands()->addCommand(deprecated_dialogs[i].name,
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deprecated_dialogs[i].command);
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}
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}
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////////////////////////////////////////////////////////////////////////
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// Static functions.
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////////////////////////////////////////////////////////////////////////
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static void
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menu_callback (puObject * object)
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{
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NewGUI * gui = (NewGUI *)globals->get_subsystem("gui");
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gui->getMenuBar()->fireItem(object);
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}
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////////////////////////////////////////////////////////////////////////
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// Implementation of FGMenuBar.
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////////////////////////////////////////////////////////////////////////
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FGMenuBar::FGMenuBar ()
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: _visible(false),
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_menuBar(0)
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{
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}
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FGMenuBar::~FGMenuBar ()
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{
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destroy_menubar();
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}
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void
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FGMenuBar::init ()
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{
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delete _menuBar; // FIXME: check if PUI owns the pointer
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make_menubar();
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// FIXME: temporary commands to get at
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// old, hard-coded dialogs.
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add_deprecated_dialogs();
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}
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void
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FGMenuBar::show ()
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{
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if (_menuBar != 0)
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_menuBar->reveal();
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_visible = true;
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}
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void
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FGMenuBar::hide ()
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{
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if (_menuBar != 0)
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_menuBar->hide();
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_visible = false;
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}
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bool
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FGMenuBar::isVisible () const
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{
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return _visible;
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}
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void
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FGMenuBar::fireItem (puObject * item)
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{
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const char * name = item->getLegend();
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vector<SGBinding *> &bindings = _bindings[name];
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int nBindings = bindings.size();
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for (int i = 0; i < nBindings; i++)
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bindings[i]->fire();
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}
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void
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FGMenuBar::make_menu (SGPropertyNode * node)
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{
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const char * name = strdup(node->getStringValue("label"));
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vector<SGPropertyNode_ptr> item_nodes = node->getChildren("item");
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int array_size = item_nodes.size();
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char ** items = make_char_array(array_size);
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puCallback * callbacks = make_callback_array(array_size);
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for (unsigned int i = 0, j = item_nodes.size() - 1;
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i < item_nodes.size();
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i++, j--) {
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// Set up the PUI entries for this item
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items[j] = strdup((char *)item_nodes[i]->getStringValue("label"));
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callbacks[j] = menu_callback;
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// Load all the bindings for this item
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vector<SGPropertyNode_ptr> bindings = item_nodes[i]->getChildren("binding");
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SGPropertyNode * dest = fgGetNode("/sim/bindings/menu", true);
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for (unsigned int k = 0; k < bindings.size(); k++) {
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unsigned int m = 0;
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SGPropertyNode_ptr binding;
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while (dest->getChild("binding", m))
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m++;
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binding = dest->getChild("binding", m, true);
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copyProperties(bindings[k], binding);
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_bindings[items[j]].push_back(new SGBinding(binding, globals->get_props()));
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}
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}
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_menuBar->add_submenu(name, items, callbacks);
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}
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void
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FGMenuBar::make_menubar ()
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{
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SGPropertyNode *targetpath;
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targetpath = fgGetNode("/sim/menubar/default",true);
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// fgLoadProps("gui/menubar.xml", targetpath);
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/* NOTE: there is no check to see whether there's any usable data at all
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*
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* This would also have the advantage of being able to create some kind of
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* 'fallback' menu - just in case that either menubar.xml is empty OR that
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* its XML data is not valid, that way we would avoid displaying an
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* unusable menubar without any functionality - if we decided to add another
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* char * element to the commands structure in
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* $FG_SRC/src/Main/fgcommands.cxx
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* we could additionally save each function's (short) description and use
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* this as label for the fallback PUI menubar item labels - as a workaround
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* one might simply use the internal fgcommands and put them into the
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* fallback menu, so that the user is at least able to re-init the menu
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* loading - just in case there was some malformed XML in it
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* (it happend to me ...)
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*/
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make_menubar(targetpath);
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}
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/* WARNING: We aren't yet doing any validation of what's found - but since
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* this isn't done with menubar.xml either, it should not really matter
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* right now. Although one should later on consider to validate the
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* contents, whether they are representing a 'legal' menubar structure.
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*/
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void
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FGMenuBar::make_menubar(SGPropertyNode * props)
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{
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// Just in case.
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destroy_menubar();
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_menuBar = new puMenuBar;
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vector<SGPropertyNode_ptr> menu_nodes = props->getChildren("menu");
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for (unsigned int i = 0; i < menu_nodes.size(); i++)
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make_menu(menu_nodes[i]);
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_menuBar->close();
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make_object_map(props);
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if (_visible)
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_menuBar->reveal();
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else
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_menuBar->hide();
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}
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void
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FGMenuBar::destroy_menubar ()
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{
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if ( _menuBar == 0 )
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return;
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hide();
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puDeleteObject(_menuBar);
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unsigned int i;
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// Delete all the character arrays
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// we were forced to keep around for
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// plib.
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SG_LOG(SG_GENERAL, SG_INFO, "Deleting char arrays");
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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 callback arrays
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// we were forced to keep around for
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// plib.
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SG_LOG(SG_GENERAL, SG_INFO, "Deleting callback arrays");
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for (i = 0; i < _callback_arrays.size(); i++)
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delete[] _callback_arrays[i];
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// Delete all those bindings
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SG_LOG(SG_GENERAL, SG_INFO, "Deleting bindings");
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map<string,vector<SGBinding *> >::iterator it;
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for (it = _bindings.begin(); it != _bindings.end(); it++) {
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SG_LOG(SG_GENERAL, SG_INFO, "Deleting bindings for " << it->first);
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for ( i = 0; i < it->second.size(); i++ )
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delete it->second[i];
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}
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SG_LOG(SG_GENERAL, SG_INFO, "Done.");
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}
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void
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FGMenuBar::make_object_map(SGPropertyNode * node)
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{
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unsigned int menu_index = 0;
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vector<SGPropertyNode_ptr> menus = node->getChildren("menu");
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for (puObject *obj = ((puGroup *)_menuBar)->getFirstChild();
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obj; obj = obj->getNextObject()) {
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// skip puPopupMenus. They are also children of _menuBar,
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// but we access them via getUserData() (see below)
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if (!(obj->getType() & PUCLASS_ONESHOT))
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continue;
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if (menu_index >= menus.size()) {
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SG_LOG(SG_GENERAL, SG_WARN, "'menu' object without node: "
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<< node->getPath() << "/menu[" << menu_index << ']');
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return;
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}
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SGPropertyNode *menu = menus.at(menu_index);
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_objects[menu->getPath()] = obj;
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add_enabled_listener(menu);
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puGroup *popup = (puGroup *)obj->getUserData();
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if (!popup)
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continue;
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// the entries are for some reason reversed (last first), and we
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// don't know yet how many there will be; so we collect first
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vector<puObject *> e;
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for (puObject *me = popup->getFirstChild(); me; me = me->getNextObject())
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e.push_back(me);
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vector<SGPropertyNode_ptr> items = menu->getChildren("item");
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for (unsigned int i = 0; i < e.size(); i++) {
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if (i >= items.size()) {
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SG_LOG(SG_GENERAL, SG_WARN, "'item' object without node: "
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<< menu->getPath() << "/item[" << i << ']');
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break;
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}
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SGPropertyNode *item = items.at(e.size() - i - 1);
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_objects[item->getPath()] = e[i];
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add_enabled_listener(item);
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}
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menu_index++;
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}
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}
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struct EnabledListener : SGPropertyChangeListener {
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void valueChanged(SGPropertyNode *node) {
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NewGUI * gui = (NewGUI *)globals->get_subsystem("gui");
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if (!gui)
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return;
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FGMenuBar *menubar = gui->getMenuBar();
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if (menubar)
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menubar->enable_item(node->getParent(), node->getBoolValue());
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}
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};
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void
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FGMenuBar::add_enabled_listener(SGPropertyNode * node)
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{
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if (!node->hasValue("enabled"))
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node->setBoolValue("enabled", true);
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enable_item(node, node->getBoolValue("enabled"));
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node->getNode("enabled")->addChangeListener(new EnabledListener());
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}
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bool
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FGMenuBar::enable_item(const SGPropertyNode * node, bool state)
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{
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const char *path = node->getPath();
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if (_objects.find(path) == _objects.end()) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Trying to enable/disable "
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"non-existent menu item for node `" << path << '\'');
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return false;
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}
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puObject *object = _objects[path];
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if (state)
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object->activate();
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else
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object->greyOut();
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return true;
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}
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char **
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FGMenuBar::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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puCallback *
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FGMenuBar::make_callback_array (int size)
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{
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puCallback * list = new puCallback[size+1];
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for (int i = 0; i <= size; i++)
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list[i] = 0;
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_callback_arrays.push_back(list);
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return list;
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}
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// end of menubar.cxx
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