// new_gui.cxx: implementation of XML-configurable GUI support.
+#include <algorithm>
+#include <iostream>
+#include <cstring>
+#include <sys/types.h>
+#include <plib/ul.h>
#include "new_gui.hxx"
#include <plib/pu.h>
#include <plib/ul.h>
-#include <vector>
-SG_USING_STD(vector);
+#include <simgear/compiler.h>
+#include <simgear/structure/exception.hxx>
+#include <simgear/props/props_io.hxx>
+
+#include <boost/algorithm/string/case_conv.hpp>
-#include <simgear/misc/exception.hxx>
#include <Main/fg_props.hxx>
+#include "menubar.hxx"
+#include "dialog.hxx"
+
+extern puFont FONT_HELVETICA_14;
+extern puFont FONT_SANS_12B;
-/**
- * Callback to update all property values.
- */
-static void
-update_callback (puObject * object)
-{
- ((NewGUI *)object->getUserData())->updateProperties();
-}
-/**
- * Callback to close the dialog.
- */
-static void
-close_callback (puObject * object)
+\f
+////////////////////////////////////////////////////////////////////////
+// Implementation of NewGUI.
+////////////////////////////////////////////////////////////////////////
+
+
+
+NewGUI::NewGUI ()
+ : _menubar(new FGMenuBar),
+ _active_dialog(0)
{
- ((NewGUI *)object->getUserData())->closeActiveObject();
}
+NewGUI::~NewGUI ()
+{
+ delete _menubar;
+ _dialog_props.clear();
+ for (_itt_t it = _colors.begin(); it != _colors.end(); ++it)
+ delete it->second;
+}
-/**
- * Callback to apply the property value for every field.
- */
-static void
-apply_callback (puObject * object)
+void
+NewGUI::init ()
{
- ((NewGUI *)object->getUserData())->applyProperties();
- update_callback(object);
+ setStyle();
+ 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 ()
+{
+ reset(true);
+ fgSetBool("/sim/signals/reinit-gui", true);
+}
-/**
- * Callback to apply the property values and close the dialog.
- */
-static void
-close_apply_callback (puObject * object)
+void
+NewGUI::redraw ()
{
- apply_callback(object);
- close_callback(object);
+ reset(false);
}
+void
+NewGUI::reset (bool reload)
+{
+ map<string,FGDialog *>::iterator iter;
+ vector<string> dlg;
+ // close all open dialogs and remember them ...
+ for (iter = _active_dialogs.begin(); iter != _active_dialogs.end(); ++iter)
+ dlg.push_back(iter->first);
+ unsigned int i;
+ for (i = 0; i < dlg.size(); i++)
+ closeDialog(dlg[i]);
-NewGUI::NewGUI ()
- : _activeObject(0)
-{
+ setStyle();
+
+ unbind();
+ delete _menubar;
+ _menubar = new FGMenuBar;
+
+ if (reload) {
+ _dialog_props.clear();
+ init();
+ } else {
+ _menubar->init();
+ }
+
+ bind();
+
+ // open dialogs again
+ for (i = 0; i < dlg.size(); i++)
+ showDialog(dlg[i]);
}
-NewGUI::~NewGUI ()
+void
+NewGUI::bind ()
{
+ fgTie("/sim/menubar/visibility", this,
+ &NewGUI::getMenuBarVisible, &NewGUI::setMenuBarVisible);
}
void
-NewGUI::init ()
+NewGUI::unbind ()
{
- char path[1024];
- ulMakePath(path, getenv("FG_ROOT"), "gui");
- std::cerr << "Reading from " << path << std::endl;
- readDir(path);
- std::cerr << "Done reading from " << path << std::endl;
+ fgUntie("/sim/menubar/visibility");
}
void
NewGUI::update (double delta_time_sec)
{
- // NO OP
+ map<string,FGDialog *>::iterator iter = _active_dialogs.begin();
+ for(/**/; iter != _active_dialogs.end(); iter++)
+ iter->second->update();
}
-void
-NewGUI::display (const string &name)
+bool
+NewGUI::showDialog (const string &name)
{
- if (_activeObject != 0) {
- SG_LOG(SG_GENERAL, SG_ALERT, "Another GUI object is still active");
- return;
+ if (_dialog_props.find(name) == _dialog_props.end()) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "Dialog " << name << " not defined");
+ return false;
+ } else {
+ if(!_active_dialogs[name])
+ _active_dialogs[name] = new FGDialog(_dialog_props[name]);
+ return true;
}
+}
- if (_objects.find(name) == _objects.end()) {
- SG_LOG(SG_GENERAL, SG_ALERT, "Dialog " << name << " not defined");
- return;
+bool
+NewGUI::closeActiveDialog ()
+{
+ if (_active_dialog == 0)
+ return false;
+
+ // Kill any entries in _active_dialogs... Is there an STL
+ // algorithm to do (delete map entries by value, not key)? I hate
+ // the STL :) -Andy
+ map<string,FGDialog *>::iterator iter = _active_dialogs.begin();
+ for(/**/; iter != _active_dialogs.end(); iter++) {
+ if(iter->second == _active_dialog) {
+ _active_dialogs.erase(iter);
+ // iter is no longer valid
+ break;
+ }
}
- SGPropertyNode_ptr props = _objects[name];
-
- _activeObject = makeObject(props, 1024, 768);
- if (_activeObject != 0) {
- _activeObject->reveal();
- } else {
- SG_LOG(SG_GENERAL, SG_ALERT, "Dialog " << name
- << " does not contain a proper GUI definition");
+ delete _active_dialog;
+ _active_dialog = 0;
+ return true;
+}
+
+bool
+NewGUI::closeDialog (const string& name)
+{
+ if(_active_dialogs.find(name) != _active_dialogs.end()) {
+ if(_active_dialog == _active_dialogs[name])
+ _active_dialog = 0;
+ delete _active_dialogs[name];
+ _active_dialogs.erase(name);
+ return true;
}
+ return false; // dialog wasn't open...
+}
+
+SGPropertyNode_ptr
+NewGUI::getDialogProperties (const string &name)
+{
+ if(_dialog_props.find(name) != _dialog_props.end())
+ return _dialog_props[name];
+
+ SG_LOG(SG_GENERAL, SG_DEBUG, "dialog '" << name << "' missing");
+ return 0;
+}
+
+FGDialog *
+NewGUI::getDialog (const string &name)
+{
+ if(_active_dialogs.find(name) != _active_dialogs.end())
+ return _active_dialogs[name];
+
+ SG_LOG(SG_GENERAL, SG_DEBUG, "dialog '" << name << "' missing");
+ return 0;
}
void
-NewGUI::applyProperties ()
+NewGUI::setActiveDialog (FGDialog * dialog)
{
- for (int i = 0; i < _propertyObjects.size(); i++) {
- puObject * object = _propertyObjects[i].object;
- SGPropertyNode_ptr node = _propertyObjects[i].node;
- node->setStringValue(object->getStringValue());
- }
+ _active_dialog = dialog;
+}
+
+FGDialog *
+NewGUI::getActiveDialog ()
+{
+ return _active_dialog;
+}
+
+FGMenuBar *
+NewGUI::getMenuBar ()
+{
+ return _menubar;
+}
+
+bool
+NewGUI::getMenuBarVisible () const
+{
+ return _menubar->isVisible();
}
void
-NewGUI::updateProperties ()
+NewGUI::setMenuBarVisible (bool visible)
{
- for (int i = 0; i < _propertyObjects.size(); i++) {
- puObject * object = _propertyObjects[i].object;
- SGPropertyNode_ptr node = _propertyObjects[i].node;
- object->setValue(node->getStringValue());
+ if (visible)
+ _menubar->show();
+ else
+ _menubar->hide();
+}
+
+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::closeActiveObject ()
+NewGUI::newDialog (SGPropertyNode* props)
{
- delete _activeObject;
- _activeObject = 0;
- _propertyObjects.clear();
+ const char* cname = props->getStringValue("name");
+ if(!cname) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "New dialog has no <name> property");
+ return;
+ }
+ string name = cname;
+ if(_active_dialogs.find(name) == _active_dialogs.end())
+ _dialog_props[name] = props;
}
void
NewGUI::readDir (const char * path)
{
ulDir * dir = ulOpenDir(path);
- std::cerr << "Directory opened successfully" << std::endl;
if (dir == 0) {
SG_LOG(SG_GENERAL, SG_ALERT, "Failed to read GUI files from "
return;
}
- ulDirEnt * dirEnt = ulReadDir(dir);
- while (dirEnt != 0) {
+ for (ulDirEnt * dirEnt = ulReadDir(dir);
+ dirEnt != 0;
+ dirEnt = ulReadDir(dir)) {
+
char subpath[1024];
ulMakePath(subpath, path, dirEnt->d_name);
- std::cerr << "Subpath is " << subpath << std::endl;
- if (dirEnt->d_isdir && dirEnt->d_name[0] != '.') {
- readDir(subpath);
- } else {
- SGPropertyNode_ptr props = new SGPropertyNode;
+ 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 GUI file "
+ } catch (const sg_exception &) {
+ SG_LOG(SG_INPUT, SG_ALERT, "Error parsing dialog "
<< subpath);
+ delete props;
+ continue;
}
- if (!props->hasValue("name")) {
- SG_LOG(SG_INPUT, SG_WARN, "GUI file " << subpath
+ SGPropertyNode *nameprop = props->getNode("name");
+ if (!nameprop) {
+ SG_LOG(SG_INPUT, SG_WARN, "dialog " << subpath
<< " has no name; skipping.");
- } else {
- string name = props->getStringValue("name");
- SG_LOG(SG_INPUT, SG_BULK, "Saving GUI node " << name);
- _objects[name] = props;
+ delete props;
+ continue;
}
+ string name = nameprop->getStringValue();
+ if (_dialog_props[name])
+ delete (SGPropertyNode *)_dialog_props[name];
+
+ _dialog_props[name] = props;
}
- dirEnt = ulReadDir(dir);
}
ulCloseDir(dir);
}
-puObject *
-NewGUI::makeObject (SGPropertyNode * props, int parentWidth, int parentHeight)
-{
- int width = props->getIntValue("width", parentWidth);
- int height = props->getIntValue("height", parentHeight);
- int x = props->getIntValue("x", (parentWidth - width) / 2);
- int y = props->getIntValue("y", (parentHeight - height) / 2);
+\f
+////////////////////////////////////////////////////////////////////////
+// Style handling.
+////////////////////////////////////////////////////////////////////////
- string type = props->getName();
- if (type == "")
- type = props->getStringValue("type");
- if (type == "") {
- SG_LOG(SG_GENERAL, SG_ALERT, "No type specified for GUI object");
- return 0;
+void
+NewGUI::setStyle (void)
+{
+ _itt_t it;
+ for (it = _colors.begin(); it != _colors.end(); ++it)
+ delete it->second;
+ _colors.clear();
+
+ // set up the traditional colors as default
+ _colors["background"] = new FGColor(0.8f, 0.8f, 0.9f, 0.85f);
+ _colors["foreground"] = new FGColor(0.0f, 0.0f, 0.0f, 1.0f);
+ _colors["highlight"] = new FGColor(0.7f, 0.7f, 0.7f, 1.0f);
+ _colors["label"] = new FGColor(0.0f, 0.0f, 0.0f, 1.0f);
+ _colors["legend"] = new FGColor(0.0f, 0.0f, 0.0f, 1.0f);
+ _colors["misc"] = new FGColor(0.0f, 0.0f, 0.0f, 1.0f);
+ _colors["inputfield"] = new FGColor(0.8f, 0.7f, 0.7f, 1.0f);
+
+ //puSetDefaultStyle();
+
+ int which = fgGetInt("/sim/gui/current-style", 0);
+ SGPropertyNode *sim = globals->get_props()->getNode("sim/gui", true);
+ SGPropertyNode *n = sim->getChild("style", which);
+ if (!n)
+ n = sim->getChild("style", 0, true);
+
+ setupFont(n->getNode("fonts/gui", true));
+ n = n->getNode("colors", true);
+
+ for (int i = 0; i < n->nChildren(); i++) {
+ SGPropertyNode *child = n->getChild(i);
+ _colors[child->getName()] = new FGColor(child);
}
- if (type == "dialog") {
- puPopup * dialog;
- if (props->getBoolValue("modal", false))
- dialog = new puDialogBox(x, y);
- else
- dialog = new puPopup(x, y);
- setupGroup(dialog, props, width, height, true);
- return dialog;
- } else if (type == "group") {
- puGroup * group = new puGroup(x, y);
- setupGroup(group, props, width, height, false);
- return group;
- } else if (type == "input") {
- puInput * input = new puInput(x, y, x + width, y + height);
- setupObject(input, props);
- return input;
- } else if (type == "text") {
- puText * text = new puText(x, y);
- setupObject(text, props);
- return text;
- } else if (type == "button") {
- puButton * b;
- const char * legend = props->getStringValue("legend", "[none]");
- if (props->getBoolValue("one-shot", true))
- b = new puOneShot(x, y, legend);
- else
- b = new puButton(x, y, legend);
- setupObject(b, props);
- return b;
- } else {
- return 0;
- }
+ FGColor *c = _colors["background"];
+ puSetDefaultColourScheme(c->red(), c->green(), c->blue(), c->alpha());
}
+
void
-NewGUI::setupObject (puObject * object, SGPropertyNode * props)
+NewGUI::setupFont (SGPropertyNode *node)
{
- object->setUserData(this);
+ _font = globals->get_fontcache()->get(node);
+ puSetDefaultFonts(*_font, *_font);
+ return;
+}
- if (props->hasValue("legend"))
- object->setLegend(props->getStringValue("legend"));
- if (props->hasValue("label"))
- object->setLabel(props->getStringValue("label"));
- if (props->hasValue("default-value-prop")) {
- const char * name = props->getStringValue("default-value-prop");
- SGPropertyNode_ptr node = fgGetNode(name, true);
- object->setValue(node->getStringValue());
- _propertyObjects.push_back(PropertyObject(object, node));
- }
+\f
+////////////////////////////////////////////////////////////////////////
+// FGColor class.
+////////////////////////////////////////////////////////////////////////
+
+void
+FGColor::print() const {
+ std::cerr << "red=" << _red << ", green=" << _green
+ << ", blue=" << _blue << ", alpha=" << _alpha << std::endl;
+}
+
+bool
+FGColor::merge(const SGPropertyNode *node)
+{
+ if (!node)
+ return false;
+
+ bool dirty = false;
+ const SGPropertyNode * n;
+ if ((n = node->getNode("red")))
+ _red = n->getFloatValue(), dirty = true;
+ if ((n = node->getNode("green")))
+ _green = n->getFloatValue(), dirty = true;
+ if ((n = node->getNode("blue")))
+ _blue = n->getFloatValue(), dirty = true;
+ if ((n = node->getNode("alpha")))
+ _alpha = n->getFloatValue(), dirty = true;
+ return dirty;
+}
+
+bool
+FGColor::merge(const FGColor *color)
+{
+ bool dirty = false;
+ if (color && color->_red >= 0.0)
+ _red = color->_red, dirty = true;
+ if (color && color->_green >= 0.0)
+ _green = color->_green, dirty = true;
+ if (color && color->_blue >= 0.0)
+ _blue = color->_blue, dirty = true;
+ if (color && color->_alpha >= 0.0)
+ _alpha = color->_alpha, dirty = true;
+ return dirty;
+}
+
- if (props->hasValue("action")) {
- string action = props->getStringValue("action");
- if (action == "update")
- object->setCallback(update_callback);
- else if (action == "close")
- object->setCallback(close_callback);
- else if (action == "apply")
- object->setCallback(apply_callback);
- else if (action == "close-apply")
- object->setCallback(close_apply_callback);
- else
- SG_LOG(SG_GENERAL, SG_ALERT, "Unknown GUI action " + action);
+
+\f
+////////////////////////////////////////////////////////////////////////
+// FGFontCache class.
+////////////////////////////////////////////////////////////////////////
+
+namespace
+{
+struct GuiFont
+{
+ const char *name;
+ puFont *font;
+ struct Predicate
+ : public std::unary_function<const GuiFont, bool>
+ {
+ Predicate(const char* name_) : name(name_) {}
+ bool operator() (const GuiFont& f1) const
+ {
+ return std::strcmp(f1.name, name) == 0;
+ }
+ const char* name;
+ };
+};
+
+const GuiFont guifonts[] = {
+ { "default", &FONT_HELVETICA_14 },
+ { "FIXED_8x13", &PUFONT_8_BY_13 },
+ { "FIXED_9x15", &PUFONT_9_BY_15 },
+ { "TIMES_10", &PUFONT_TIMES_ROMAN_10 },
+ { "TIMES_24", &PUFONT_TIMES_ROMAN_24 },
+ { "HELVETICA_10", &PUFONT_HELVETICA_10 },
+ { "HELVETICA_12", &PUFONT_HELVETICA_12 },
+ { "HELVETICA_14", &FONT_HELVETICA_14 },
+ { "HELVETICA_18", &PUFONT_HELVETICA_18 },
+ { "SANS_12B", &FONT_SANS_12B }
+};
+
+const GuiFont* guifontsEnd = &guifonts[sizeof(guifonts)/ sizeof(guifonts[0])];
+}
+
+FGFontCache::FGFontCache() :
+ _initialized(false)
+{
+}
+
+FGFontCache::~FGFontCache()
+{
+ PuFontMap::iterator it, end = _puFonts.end();
+ for (it = _puFonts.begin(); it != end; ++it)
+ delete it->second;
+}
+
+inline bool FGFontCache::FntParamsLess::operator()(const FntParams& f1,
+ const FntParams& f2) const
+{
+ int comp = f1.name.compare(f2.name);
+ if (comp < 0)
+ return true;
+ else if (comp > 0)
+ return false;
+ if (f1.size < f2.size)
+ return true;
+ else if (f1.size > f2.size)
+ return false;
+ return f1.slant < f2.slant;
+}
+
+struct FGFontCache::fnt *
+FGFontCache::getfnt(const char *name, float size, float slant)
+{
+ string fontName = boost::to_lower_copy(string(name));
+ FntParams fntParams(fontName, size, slant);
+ PuFontMap::iterator i = _puFonts.find(fntParams);
+ if (i != _puFonts.end()) {
+ // found in the puFonts map, all done
+ return i->second;
+ }
+
+ // fntTexFont s are all preloaded into the _texFonts map
+ TexFontMap::iterator texi = _texFonts.find(fontName);
+ fntTexFont* texfont = NULL;
+ puFont* pufont = NULL;
+ if (texi != _texFonts.end()) {
+ texfont = texi->second;
+ } else {
+ // check the built-in PUI fonts (in guifonts array)
+ const GuiFont* guifont = std::find_if(&guifonts[0], guifontsEnd,
+ GuiFont::Predicate(name));
+ if (guifont != guifontsEnd) {
+ pufont = guifont->font;
+ }
}
+
+ fnt* f = new fnt;
+ if (pufont) {
+ f->pufont = pufont;
+ } else if (texfont) {
+ f->texfont = texfont;
+ f->pufont = new puFont;
+ f->pufont->initialize(static_cast<fntFont *>(f->texfont), size, slant);
+ } else {
+ f->pufont = guifonts[0].font;
+ }
+ _puFonts[fntParams] = f;
+ return f;
+}
- object->makeReturnDefault(props->getBoolValue("default"));
+puFont *
+FGFontCache::get(const char *name, float size, float slant)
+{
+ return getfnt(name, size, slant)->pufont;
}
-void
-NewGUI::setupGroup (puGroup * group, SGPropertyNode * props,
- int width, int height, bool makeFrame)
+fntTexFont *
+FGFontCache::getTexFont(const char *name, float size, float slant)
{
- setupObject(group, props);
+ return getfnt(name, size, slant)->texfont;
+}
- if (makeFrame)
- new puFrame(0, 0, width, height);
+puFont *
+FGFontCache::get(SGPropertyNode *node)
+{
+ if (!node)
+ return get("Helvetica.txf", 15.0, 0.0);
- int nChildren = props->nChildren();
- for (int i = 0; i < nChildren; i++)
- makeObject(props->getChild(i), width, height);
- group->close();
+ const char *name = node->getStringValue("name", "Helvetica.txf");
+ float size = node->getFloatValue("size", 15.0);
+ float slant = node->getFloatValue("slant", 0.0);
+
+ return get(name, size, slant);
+}
+
+void FGFontCache::init()
+{
+ if (_initialized) {
+ return;
+ }
+
+ char *envp = ::getenv("FG_FONTS");
+ if (envp != NULL) {
+ _path.set(envp);
+ } else {
+ _path.set(globals->get_fg_root());
+ _path.append("Fonts");
+ }
+ _initialized = true;
+}
+
+SGPath
+FGFontCache::getfntpath(const char *name)
+{
+ init();
+ SGPath path(_path);
+ if (name && std::string(name) != "") {
+ path.append(name);
+ if (path.exists())
+ return path;
+ }
+
+ path = SGPath(_path);
+ path.append("Helvetica.txf");
+ SG_LOG(SG_GENERAL, SG_WARN, "Unknown font name '" << name << "', defaulting to Helvetica");
+ return path;
}
-NewGUI::PropertyObject::PropertyObject (puObject * o, SGPropertyNode_ptr n)
- : object(o),
- node(n)
+bool FGFontCache::initializeFonts()
{
+ static string fontext("txf");
+ init();
+ ulDir* fontdir = ulOpenDir(_path.c_str());
+ if (!fontdir)
+ return false;
+ const ulDirEnt *dirEntry;
+ while ((dirEntry = ulReadDir(fontdir)) != 0) {
+ SGPath path(_path);
+ path.append(dirEntry->d_name);
+ if (path.extension() == fontext) {
+ fntTexFont* f = new fntTexFont;
+ if (f->load((char *)path.c_str())) {
+ // convert font names in the map to lowercase for matching
+ string fontName = boost::to_lower_copy(string(dirEntry->d_name));
+ _texFonts[fontName] = f;
+ } else
+ delete f;
+ }
+ }
+ ulCloseDir(fontdir);
+ return true;
}
// end of new_gui.cxx