1 // new_gui.cxx: implementation of XML-configurable GUI support.
2 
3 #ifdef HAVE_CONFIG_H
4 #  include <config.h>
5 #endif
6 
7 #include "new_gui.hxx"
8 
9 #include <algorithm>
10 #include <iostream>
11 #include <cstring>
12 #include <sys/types.h>
13 
14 #include <simgear/compiler.h>
15 #include <simgear/debug/ErrorReportingCallback.hxx>
16 #include <simgear/misc/sg_dir.hxx>
17 #include <simgear/props/props_io.hxx>
18 #include <simgear/structure/exception.hxx>
19 
20 #include <Add-ons/AddonManager.hxx>
21 #include <Main/fg_props.hxx>
22 #include <Main/sentryIntegration.hxx>
23 
24 #if defined(SG_UNIX) && !defined(SG_MAC)
25 #include "GL/glx.h"
26 #endif
27 
28 #include "FGPUIMenuBar.hxx"
29 
30 #if defined(SG_MAC)
31 #include "FGCocoaMenuBar.hxx"
32 #endif
33 
34 #if defined(SG_WINDOWS)
35 #include "FGWindowsMenuBar.hxx"
36 #endif
37 
38 #include "FGPUIDialog.hxx"
39 #include "FGFontCache.hxx"
40 #include "FGColor.hxx"
41 
42 // ignore the word Navaid here, it's a DataCache
43 #include <Navaids/NavDataCache.hxx>
44 
45 using std::map;
46 using std::string;
47 
48 extern void puCleanUpJunk(void);
49 
50 ////////////////////////////////////////////////////////////////////////
51 // Implementation of NewGUI.
52 ////////////////////////////////////////////////////////////////////////
53 
54 
55 
NewGUI()56 NewGUI::NewGUI () :
57   _active_dialog(0)
58 {
59 }
60 
~NewGUI()61 NewGUI::~NewGUI ()
62 {
63     for (_itt_t it = _colors.begin(); it != _colors.end(); ++it)
64         delete it->second;
65 }
66 
67 void
init()68 NewGUI::init ()
69 {
70     createMenuBarImplementation();
71     fgTie("/sim/menubar/visibility", this,
72           &NewGUI::getMenuBarVisible, &NewGUI::setMenuBarVisible);
73 
74     fgTie("/sim/menubar/overlap-hide", this,
75           &NewGUI::getMenuBarOverlapHide, &NewGUI::setMenuBarOverlapHide);
76 
77     setStyle();
78     SGPath p(globals->get_fg_root(), "gui/dialogs");
79     readDir(p);
80 
81     SGPath aircraftDialogDir(string(fgGetString("/sim/aircraft-dir")), "gui/dialogs");
82     if (aircraftDialogDir.exists()) {
83         readDir(aircraftDialogDir);
84     }
85 
86     // Read XML dialogs made available by registered add-ons
87     const auto& addonManager = flightgear::addons::AddonManager::instance();
88     for (const auto& addon: addonManager->registeredAddons()) {
89         SGPath addonDialogDir = addon->getBasePath() / "gui/dialogs";
90 
91         if (addonDialogDir.exists()) {
92             readDir(addonDialogDir);
93         }
94     }
95 
96     // Fix for http://code.google.com/p/flightgear-bugs/issues/detail?id=947
97     fgGetNode("sim/menubar")->setAttribute(SGPropertyNode::PRESERVE, true);
98     _menubar->init();
99 }
100 
101 void
shutdown()102 NewGUI::shutdown()
103 {
104     DialogDict::iterator it = _active_dialogs.begin();
105     for (; it != _active_dialogs.end(); ++it) {
106         delete it->second;
107     }
108     _active_dialogs.clear();
109 
110     fgUntie("/sim/menubar/visibility");
111     _menubar.reset();
112     _dialog_props.clear();
113 
114     puCleanUpJunk();
115 }
116 
117 void
reinit()118 NewGUI::reinit ()
119 {
120     reset(true);
121     fgSetBool("/sim/signals/reinit-gui", true);
122 }
123 
124 void
redraw()125 NewGUI::redraw ()
126 {
127     reset(false);
128 }
129 
130 void
createMenuBarImplementation()131 NewGUI::createMenuBarImplementation()
132 {
133 #if defined(SG_MAC)
134     if (fgGetBool("/sim/menubar/native", true)) {
135         _menubar.reset(new FGCocoaMenuBar);
136     }
137 #endif
138 #if defined(SG_WINDOWS)
139 	if (fgGetBool("/sim/menubar/native", true)) {
140 	// Windows-native menubar disabled for the moment, fall-through
141 	// to PUI version
142    //     _menubar.reset(new FGWindowsMenuBar);
143     }
144 #endif
145     if (!_menubar.get()) {
146         _menubar.reset(new FGPUIMenuBar);
147     }
148 }
149 
150 void
reset(bool reload)151 NewGUI::reset (bool reload)
152 {
153     DialogDict::iterator iter;
154     string_list openDialogs;
155     // close all open dialogs and remember them ...
156     for (iter = _active_dialogs.begin(); iter != _active_dialogs.end(); ++iter)
157         openDialogs.push_back(iter->first);
158 
159     for (auto d : openDialogs)
160         closeDialog(d);
161 
162     setStyle();
163 
164     unbind();
165 
166     if (reload) {
167         _dialog_props.clear();
168         _dialog_names.clear();
169         init();
170     } else {
171         createMenuBarImplementation();
172         _menubar->init();
173     }
174 
175     bind();
176 
177     // open dialogs again
178     for (auto d : openDialogs)
179         showDialog(d);
180 }
181 
182 void
bind()183 NewGUI::bind ()
184 {
185 }
186 
187 void
unbind()188 NewGUI::unbind ()
189 {
190 }
191 
192 void
update(double delta_time_sec)193 NewGUI::update (double delta_time_sec)
194 {
195     SG_UNUSED(delta_time_sec);
196     map<string,FGDialog *>::iterator iter = _active_dialogs.begin();
197     for(/**/; iter != _active_dialogs.end(); iter++)
198         iter->second->update();
199 }
200 
201 bool
showDialog(const string & name)202 NewGUI::showDialog (const string &name)
203 {
204     // first, check if it's already shown
205     if (_active_dialogs.find(name) != _active_dialogs.end()){
206         _active_dialogs[name]->bringToFront();
207         return true;
208     }
209 
210     // check we know about the dialog by name
211     if (_dialog_names.find(name) == _dialog_names.end()) {
212         simgear::reportFailure(simgear::LoadFailure::NotFound, simgear::ErrorCode::GUIDialog, "Dialog not found:" + name);
213         SG_LOG(SG_GENERAL, SG_ALERT, "Dialog " << name << " not defined");
214         return false;
215     }
216 
217     flightgear::addSentryBreadcrumb("showing GUI dialog:" + name, "info");
218 
219     _active_dialogs[name] = new FGPUIDialog(getDialogProperties(name));
220     fgSetString("/sim/gui/dialogs/current-dialog", name);
221 
222 //    setActiveDialog(new FGPUIDialog(getDialogProperties(name)));
223     return true;
224 }
225 
226 bool
closeActiveDialog()227 NewGUI::closeActiveDialog ()
228 {
229     if (_active_dialog == 0)
230         return false;
231 
232     // Kill any entries in _active_dialogs...  Is there an STL
233     // algorithm to do (delete map entries by value, not key)?  I hate
234     // the STL :) -Andy
235     map<string,FGDialog *>::iterator iter = _active_dialogs.begin();
236     for(/**/; iter != _active_dialogs.end(); iter++) {
237         if(iter->second == _active_dialog) {
238             _active_dialogs.erase(iter);
239             // iter is no longer valid
240             break;
241         }
242     }
243 
244     delete _active_dialog;
245     _active_dialog = 0;
246     if (_active_dialogs.size())
247     {
248         fgSetString("/sim/gui/dialogs/current-dialog", _active_dialogs.begin()->second->getName());
249     }
250     return true;
251 }
252 
253 bool
closeDialog(const string & name)254 NewGUI::closeDialog (const string& name)
255 {
256     if(_active_dialogs.find(name) != _active_dialogs.end()) {
257         flightgear::addSentryBreadcrumb("closing GUI dialog:" + name, "info");
258 
259         if(_active_dialog == _active_dialogs[name])
260             _active_dialog = 0;
261         delete _active_dialogs[name];
262         _active_dialogs.erase(name);
263         return true;
264     }
265     return false; // dialog wasn't open...
266 }
267 
268 SGPropertyNode_ptr
getDialogProperties(const string & name)269 NewGUI::getDialogProperties (const string &name)
270 {
271     if (_dialog_names.find(name) == _dialog_names.end()) {
272       SG_LOG(SG_GENERAL, SG_ALERT, "Dialog " << name << " not defined");
273       return NULL;
274     }
275 
276     NameDialogDict::iterator it = _dialog_props.find(name);
277     if (it == _dialog_props.end()) {
278       // load the XML
279       SGPath path = _dialog_names[name];
280       SGPropertyNode_ptr props = new SGPropertyNode;
281       try {
282         readProperties(path, props);
283       } catch (const sg_exception &) {
284         SG_LOG(SG_INPUT, SG_ALERT, "Error parsing dialog " << path);
285         return NULL;
286       }
287 
288       it = _dialog_props.insert(it, std::make_pair(name, props));
289     }
290 
291     return it->second;
292 }
293 
294 FGDialog *
getDialog(const string & name)295 NewGUI::getDialog (const string &name)
296 {
297     if(_active_dialogs.find(name) != _active_dialogs.end())
298         return _active_dialogs[name];
299 
300     SG_LOG(SG_GENERAL, SG_DEBUG, "dialog '" << name << "' missing");
301     return 0;
302 }
303 
304 void
setActiveDialog(FGDialog * dialog)305 NewGUI::setActiveDialog (FGDialog * dialog)
306 {
307     if (dialog){
308         fgSetString("/sim/gui/dialogs/current-dialog", dialog->getName());
309     }
310     _active_dialog = dialog;
311 }
312 
313 FGDialog *
getActiveDialog()314 NewGUI::getActiveDialog ()
315 {
316     return _active_dialog;
317 }
318 
319 FGMenuBar *
getMenuBar()320 NewGUI::getMenuBar ()
321 {
322     return _menubar.get();
323 }
324 
325 bool
getMenuBarVisible() const326 NewGUI::getMenuBarVisible () const
327 {
328     return _menubar->isVisible();
329 }
330 
331 void
setMenuBarVisible(bool visible)332 NewGUI::setMenuBarVisible (bool visible)
333 {
334     if (visible)
335         _menubar->show();
336     else
337         _menubar->hide();
338 }
339 
340 bool
getMenuBarOverlapHide() const341 NewGUI::getMenuBarOverlapHide() const
342 {
343     return _menubar->getHideIfOverlapsWindow();
344 }
345 
346 void
setMenuBarOverlapHide(bool hide)347 NewGUI::setMenuBarOverlapHide(bool hide)
348 {
349     _menubar->setHideIfOverlapsWindow(hide);
350 }
351 
352 void
newDialog(SGPropertyNode * props)353 NewGUI::newDialog (SGPropertyNode* props)
354 {
355     const char* cname = props->getStringValue("name");
356     if(!cname) {
357         SG_LOG(SG_GENERAL, SG_ALERT, "New dialog has no <name> property");
358         return;
359     }
360     string name = cname;
361 
362     if(_active_dialogs.find(name) == _active_dialogs.end()) {
363         _dialog_props[name] = props;
364     // add a dummy path entry, so we believe the dialog exists
365         _dialog_names[name] = SGPath();
366     }
367 }
368 
369 void
readDir(const SGPath & path)370 NewGUI::readDir (const SGPath& path)
371 {
372     simgear::Dir dir(path);
373     if( !dir.exists() )
374     {
375       SG_LOG(SG_INPUT, SG_INFO, "directory does not exist: " << path);
376       return;
377     }
378 
379     flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
380     flightgear::NavDataCache::Transaction txn(cache);
381     for (SGPath xmlPath : dir.children(simgear::Dir::TYPE_FILE, ".xml")) {
382       if (!cache->isCachedFileModified(xmlPath)) {
383         // cached, easy
384         string name = cache->readStringProperty(xmlPath.utf8Str());
385         _dialog_names[name] = xmlPath;
386         continue;
387       }
388 
389     // we need to parse the actual XML
390       SGPropertyNode_ptr props = new SGPropertyNode;
391       try {
392         readProperties(xmlPath, props);
393       } catch (const sg_exception &) {
394         SG_LOG(SG_INPUT, SG_ALERT, "Error parsing dialog " << xmlPath);
395         continue;
396       }
397 
398       SGPropertyNode *nameprop = props->getNode("name");
399       if (!nameprop) {
400         SG_LOG(SG_INPUT, SG_WARN, "dialog " << xmlPath << " has no name; skipping.");
401         continue;
402       }
403 
404       string name = nameprop->getStringValue();
405       _dialog_names[name] = xmlPath;
406     // update cached values
407         if (!cache->isReadOnly()) {
408             cache->stampCacheFile(xmlPath);
409             cache->writeStringProperty(xmlPath.utf8Str(), name);
410         }
411     } // of directory children iteration
412 
413     txn.commit();
414 }
415 ////////////////////////////////////////////////////////////////////////
416 // Style handling.
417 ////////////////////////////////////////////////////////////////////////
418 
419 void
setStyle(void)420 NewGUI::setStyle (void)
421 {
422     _itt_t it;
423     for (it = _colors.begin(); it != _colors.end(); ++it)
424       delete it->second;
425     _colors.clear();
426 
427     // set up the traditional colors as default
428     _colors["background"] = new FGColor(0.8f, 0.8f, 0.9f, 0.85f);
429     _colors["foreground"] = new FGColor(0.0f, 0.0f, 0.0f, 1.0f);
430     _colors["highlight"]  = new FGColor(0.7f, 0.7f, 0.7f, 1.0f);
431     _colors["label"]      = new FGColor(0.0f, 0.0f, 0.0f, 1.0f);
432     _colors["legend"]     = new FGColor(0.0f, 0.0f, 0.0f, 1.0f);
433     _colors["misc"]       = new FGColor(0.0f, 0.0f, 0.0f, 1.0f);
434     _colors["inputfield"] = new FGColor(0.8f, 0.7f, 0.7f, 1.0f);
435 
436     //puSetDefaultStyle();
437 
438     int which = fgGetInt("/sim/gui/current-style", 0);
439     SGPropertyNode *sim = globals->get_props()->getNode("sim/gui", true);
440     SGPropertyNode *n = sim->getChild("style", which);
441     if (!n)
442         n = sim->getChild("style", 0, true);
443 
444     SGPropertyNode *selected_style = globals->get_props()->getNode("sim/gui/selected-style", true);
445 
446     // n->copy() doesn't delete existing nodes, so need to clear them all
447     // first.
448     selected_style->removeAllChildren();
449     n->copy(selected_style);
450 
451     //if (selected_style && n)
452     //    n->alias(selected_style);
453 
454     setupFont(n->getNode("fonts/gui", true));
455     n = n->getNode("colors", true);
456 
457     for (int i = 0; i < n->nChildren(); i++) {
458         SGPropertyNode *child = n->getChild(i);
459         _colors[child->getName()] = new FGColor(child);
460     }
461 
462     FGColor *c = _colors["background"];
463     puSetDefaultColourScheme(c->red(), c->green(), c->blue(), c->alpha());
464 }
465 
466 
467 void
setupFont(SGPropertyNode * node)468 NewGUI::setupFont (SGPropertyNode *node)
469 {
470     _font = FGFontCache::instance()->get(node);
471     puSetDefaultFonts(*_font, *_font);
472     return;
473 }
474 
475 
476 // Register the subsystem.
477 SGSubsystemMgr::Registrant<NewGUI> registrantNewGUI(
478     SGSubsystemMgr::INIT);
479 
480 // end of new_gui.cxx
481