/
Command.cpp
1957 lines (1699 loc) · 63.6 KB
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Command.cpp
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/***************************************************************************
* Copyright (c) 2002 Jürgen Riegel <juergen.riegel@web.de> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <Inventor/SbSphere.h>
# include <Inventor/actions/SoGetBoundingBoxAction.h>
# include <Inventor/nodes/SoOrthographicCamera.h>
# include <sstream>
# include <QApplication>
# include <QByteArray>
# include <QDir>
# include <QKeySequence>
# include <QMessageBox>
#endif
#include <boost/algorithm/string/replace.hpp>
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <App/AutoTransaction.h>
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/Interpreter.h>
#include <Base/Tools.h>
#include "Command.h"
#include "Action.h"
#include "Application.h"
#include "BitmapFactory.h"
#include "Control.h"
#include "DlgUndoRedo.h"
#include "Document.h"
#include "frameobject.h"
#include "Macro.h"
#include "MainWindow.h"
#include "Python.h"
#include "Selection.h"
#include "View3DInventor.h"
#include "View3DInventorViewer.h"
#include "ViewProviderLink.h"
#include "WaitCursor.h"
#include "WhatsThis.h"
#include "WorkbenchManager.h"
#include "Workbench.h"
FC_LOG_LEVEL_INIT("Command", true, true)
using Base::Interpreter;
using namespace Gui;
using namespace Gui::Dialog;
using namespace Gui::DockWnd;
/** \defgroup commands Command Framework
\ingroup GUI
\brief Structure for registering commands to the FreeCAD system
* \section Overview
* In GUI applications many commands can be invoked via a menu item, a toolbar button or an accelerator key. The answer of Qt to master this
* challenge is the class \a QAction. A QAction object can be added to a popup menu or a toolbar and keep the state of the menu item and
* the toolbar button synchronized.
*
* For example, if the user clicks the menu item of a toggle action then the toolbar button gets also pressed
* and vice versa. For more details refer to your Qt documentation.
*
* \section Drawbacks
* Since QAction inherits QObject and emits the \a triggered() signal or \a toggled() signal for toggle actions it is very convenient to connect
* these signals e.g. with slots of your MainWindow class. But this means that for every action an appropriate slot of MainWindow is necessary
* and leads to an inflated MainWindow class. Furthermore, it's simply impossible to provide plugins that may also need special slots -- without
* changing the MainWindow class.
*
* \section wayout Way out
* To solve these problems we have introduced the command framework to decouple QAction and MainWindow. The base classes of the framework are
* \a Gui::CommandBase and \a Gui::Action that represent the link between Qt's QAction world and the FreeCAD's command world.
*
* The Action class holds a pointer to QAction and CommandBase and acts as a mediator and -- to save memory -- that gets created
* (@ref Gui::CommandBase::createAction()) not before it is added (@ref Gui::Command::addTo()) to a menu or toolbar.
*
* Now, the implementation of the slots of MainWindow can be done in the method \a activated() of subclasses of Command instead.
*
* For example, the implementation of the "Open file" command can be done as follows.
* \code
* class OpenCommand : public Command
* {
* public:
* OpenCommand() : Command("Std_Open")
* {
* // set up menu text, status tip, ...
* sMenuText = "&Open";
* sToolTipText = "Open a file";
* sWhatsThis = "Open a file";
* sStatusTip = "Open a file";
* sPixmap = "Open"; // name of a registered pixmap
* sAccel = "Shift+P"; // or "P" or "P, L" or "Ctrl+X, Ctrl+C" for a sequence
* }
* protected:
* void activated(int)
* {
* QString filter ... // make a filter of all supported file formats
* QStringList FileList = QFileDialog::getOpenFileNames( filter,QString(), getMainWindow() );
* for ( QStringList::Iterator it = FileList.begin(); it != FileList.end(); ++it ) {
* getGuiApplication()->open((*it).latin1());
* }
* }
* };
* \endcode
* An instance of \a OpenCommand must be created and added to the \ref Gui::CommandManager to make the class known to FreeCAD.
* To see how menus and toolbars can be built go to the @ref workbench.
*
* @see Gui::Command, Gui::CommandManager
*/
// list of modules already loaded by a command (not issue again for macro cleanness)
std::set<std::string> alreadyLoadedModule;
class StringCache {
public:
static const char* New(const char* str) {
using StringList = std::list<std::string>;
static StringList strings;
strings.emplace_back(str);
return strings.back().c_str();
}
};
CommandBase::CommandBase(const char* sMenu, const char* sToolTip, const char* sWhat,
const char* sStatus, const char* sPixmap, const char* sAcc)
: sMenuText(sMenu)
, sToolTipText(sToolTip)
, sWhatsThis(sWhat ? sWhat : sToolTip)
, sStatusTip(sStatus ? sStatus : sToolTip)
, sPixmap(sPixmap)
, sAccel(sAcc)
, _pcAction(nullptr)
{
}
CommandBase::~CommandBase()
{
//Note: The Action object becomes a children of MainWindow which gets destroyed _before_ the
//command manager hence before any command object. So the action pointer is a dangling pointer
//at this state.
}
Action* CommandBase::getAction() const
{
return _pcAction;
}
Action * CommandBase::createAction()
{
// does nothing
return nullptr;
}
void CommandBase::setMenuText(const char* s)
{
this->sMenuText = StringCache::New(s);
}
void CommandBase::setToolTipText(const char* s)
{
this->sToolTipText = StringCache::New(s);
}
void CommandBase::setStatusTip(const char* s)
{
this->sStatusTip = StringCache::New(s);
}
void CommandBase::setWhatsThis(const char* s)
{
this->sWhatsThis = StringCache::New(s);
}
void CommandBase::setPixmap(const char* s)
{
this->sPixmap = StringCache::New(s);
}
void CommandBase::setAccel(const char* s)
{
this->sAccel = StringCache::New(s);
}
//===========================================================================
// Command
//===========================================================================
/* TRANSLATOR Gui::Command */
Command::Command(const char* name)
: CommandBase(nullptr)
, sName(name)
, sHelpUrl(nullptr)
{
sAppModule = "FreeCAD";
sGroup = "Standard";
eType = AlterDoc | Alter3DView | AlterSelection;
bEnabled = true;
bCanLog = true;
}
Command::~Command()
{
}
bool Command::isViewOfType(Base::Type t) const
{
Gui::Document *d = getGuiApplication()->activeDocument();
if (!d)
return false;
Gui::BaseView *v = d->getActiveView();
if (!v)
return false;
if (v->getTypeId().isDerivedFrom(t))
return true;
else
return false;
}
void Command::addTo(QWidget *pcWidget)
{
if (!_pcAction) {
_pcAction = createAction();
testActive();
}
_pcAction->addTo(pcWidget);
}
void Command::addToGroup(ActionGroup* group, bool checkable)
{
addToGroup(group);
_pcAction->setCheckable(checkable);
}
void Command::addToGroup(ActionGroup* group)
{
if (!_pcAction) {
_pcAction = createAction();
testActive();
}
group->addAction(_pcAction->findChild<QAction*>());
}
Application *Command::getGuiApplication()
{
return Application::Instance;
}
Gui::Document* Command::getActiveGuiDocument() const
{
return getGuiApplication()->activeDocument();
}
App::Document* Command::getDocument(const char* Name) const
{
if (Name) {
return App::GetApplication().getDocument(Name);
}
else {
Gui::Document * pcDoc = getGuiApplication()->activeDocument();
if (pcDoc)
return pcDoc->getDocument();
else
return nullptr;
}
}
App::DocumentObject* Command::getObject(const char* Name) const
{
App::Document*pDoc = getDocument();
if (pDoc)
return pDoc->getObject(Name);
else
return nullptr;
}
int Command::_busy;
class PendingLine {
public:
PendingLine(MacroManager::LineType type, const char *line) {
Application::Instance->macroManager()->addLine(type,line,true);
}
~PendingLine() {
cancel();
}
void cancel() {
Application::Instance->macroManager()->addLine(MacroManager::Cmt,nullptr,true);
}
};
class CommandTrigger {
public:
CommandTrigger(Command::TriggerSource &trigger, Command::TriggerSource source)
:trigger(trigger),saved(trigger)
{
trigger = source;
}
~CommandTrigger() {
trigger = saved;
}
private:
Command::TriggerSource &trigger;
Command::TriggerSource saved;
};
void Command::setupCheckable(int iMsg) {
QAction *action = nullptr;
Gui::ActionGroup* pcActionGroup = qobject_cast<Gui::ActionGroup*>(_pcAction);
if(pcActionGroup) {
QList<QAction*> a = pcActionGroup->actions();
assert(iMsg < a.size());
action = a[iMsg];
}else
action = _pcAction->action();
if(!action)
return;
bool checkable = action->isCheckable();
_pcAction->setCheckable(checkable);
if(checkable) {
bool checked = false;
switch(triggerSource()) {
case TriggerNone:
checked = !action->isChecked();
break;
case TriggerAction:
checked = _pcAction->isChecked();
break;
case TriggerChildAction:
checked = action->isChecked();
break;
}
bool blocked = action->blockSignals(true);
action->setChecked(checked);
action->blockSignals(blocked);
if(action!=_pcAction->action())
_pcAction->setChecked(checked,true);
}
}
void Command::invoke(int i, TriggerSource trigger)
{
CommandTrigger cmdTrigger(_trigger,trigger);
if (displayText.empty()) {
displayText = getMenuText() ? getMenuText() : "";
boost::replace_all(displayText,"&","");
if (displayText.empty())
displayText = getName();
}
// Do not query _pcAction since it isn't created necessarily
#ifdef FC_LOGUSERACTION
Base::Console().Log("CmdG: %s\n",sName);
#endif
_invoke(i, bCanLog && !_busy);
}
void Command::_invoke(int id, bool disablelog)
{
try {
// Because Transaction now captures ViewObject changes, auto named
// transaction is disabled here to avoid too many unnecessary transactions.
//
App::AutoTransaction committer(nullptr, true);
// set the application module type for the macro
getGuiApplication()->macroManager()->setModule(sAppModule);
std::unique_ptr<LogDisabler> logdisabler;
if (disablelog)
logdisabler.reset(new LogDisabler);
// check if it really works NOW (could be a delay between click deactivation of the button)
if (isActive()) {
auto manager = getGuiApplication()->macroManager();
auto editDoc = getGuiApplication()->editDocument();
if (!logdisabler) {
activated(id);
}
else {
Gui::SelectionLogDisabler seldisabler;
auto lines = manager->getLines();
std::ostringstream ss;
ss << "### Begin command " << sName;
// Add a pending line to mark the start of a command
PendingLine pending(MacroManager::Cmt, ss.str().c_str());
ss.str("");
activated(id);
if (manager->getLines() == lines) {
// This command does not record any lines, lets do it for
// it. The above LogDisabler is to prevent nested command
// logging, i.e. we only auto log the first invoking
// command.
// Cancel the above pending line first
pending.cancel();
ss << "Gui.runCommand('" << sName << "'," << id << ')';
manager->addLine(MacroManager::Gui, ss.str().c_str());
}
else {
// In case the command has any output to the console, lets
// mark the end of the command here
ss << "### End command " << sName;
manager->addLine(MacroManager::Cmt, ss.str().c_str());
}
}
getMainWindow()->updateActions();
// If this command starts an editing, let the transaction persist
if (!editDoc && getGuiApplication()->editDocument())
committer.setEnable(false);
}
}
catch (const Base::SystemExitException&) {
throw;
}
catch (Base::PyException &e) {
e.ReportException();
}
catch (Py::Exception&) {
Base::PyGILStateLocker lock;
Base::PyException e;
e.ReportException();
}
catch (Base::AbortException&) {
}
catch (Base::Exception &e) {
e.ReportException();
// Pop-up a dialog for FreeCAD-specific exceptions
QMessageBox::critical(Gui::getMainWindow(), QObject::tr("Exception"), QLatin1String(e.what()));
}
catch (std::exception &e) {
Base::Console().Error("C++ exception thrown (%s)\n", e.what());
}
catch (const char* e) {
Base::Console().Error("%s\n", e);
}
#ifndef FC_DEBUG
catch (...) {
Base::Console().Error("Gui::Command::activated(%d): Unknown C++ exception thrown\n", id);
}
#endif
}
void Command::testActive()
{
if (!_pcAction)
return;
if (_blockCmd || !bEnabled) {
_pcAction->setEnabled(false);
return;
}
if (!(eType & ForEdit)) { // special case for commands which are only in some edit modes active
if ((!Gui::Control().isAllowedAlterDocument() && eType & AlterDoc) ||
(!Gui::Control().isAllowedAlterView() && eType & Alter3DView) ||
(!Gui::Control().isAllowedAlterSelection() && eType & AlterSelection)) {
_pcAction->setEnabled(false);
return;
}
}
Gui::ActionGroup* pcAction = qobject_cast<Gui::ActionGroup*>(_pcAction);
if(pcAction) {
Gui::CommandManager &rcCmdMgr = Gui::Application::Instance->commandManager();
for(auto action : pcAction->actions()) {
auto name = action->property("CommandName").toByteArray();
if(!name.size())
continue;
Command* cmd = rcCmdMgr.getCommandByName(name);
if(cmd)
action->setEnabled(cmd->isActive());
}
}
bool bActive = isActive();
_pcAction->setEnabled(bActive);
}
void Command::setEnabled(bool on)
{
if (_pcAction) {
bEnabled = on;
_pcAction->setEnabled(on);
}
}
//--------------------------------------------------------------------------
// Helper methods
//--------------------------------------------------------------------------
bool Command::hasActiveDocument() const
{
return getActiveGuiDocument() != nullptr;
}
/// true when there is a document and a Feature with Name
bool Command::hasObject(const char* Name)
{
return getDocument() != nullptr && getDocument()->getObject(Name) != nullptr;
}
Gui::SelectionSingleton& Command::getSelection()
{
return Gui::Selection();
}
std::string Command::getUniqueObjectName(const char *BaseName, const App::DocumentObject *obj) const
{
auto doc = obj?obj->getDocument():App::GetApplication().getActiveDocument();
assert(doc);
return doc->getUniqueObjectName(BaseName);
}
std::string Command::getObjectCmd(const char *Name, const App::Document *doc,
const char *prefix, const char *postfix, bool gui)
{
if(!doc) doc = App::GetApplication().getActiveDocument();
if(!doc || !Name)
return std::string("None");
std::ostringstream str;
if(prefix)
str << prefix;
str << (gui?"Gui":"App") << ".getDocument('" << doc->getName()
<< "').getObject('" << Name << "')";
if(postfix)
str << postfix;
return str.str();
}
std::string Command::getObjectCmd(const App::DocumentObject *obj,
const char *prefix, const char *postfix, bool gui)
{
if(!obj || !obj->getNameInDocument())
return std::string("None");
return getObjectCmd(obj->getNameInDocument(), obj->getDocument(), prefix, postfix,gui);
}
void Command::setAppModuleName(const char* s)
{
this->sAppModule = StringCache::New(s);
}
void Command::setGroupName(const char* s)
{
this->sGroup = StringCache::New(s);
}
QString Command::translatedGroupName() const
{
QString text = qApp->translate(className(), getGroupName());
if (text == QString::fromLatin1(getGroupName()))
text = qApp->translate("CommandGroup", getGroupName());
return text;
}
//--------------------------------------------------------------------------
// UNDO REDO transaction handling
//--------------------------------------------------------------------------
/** Open a new Undo transaction on the active document
* This method opens a new UNDO transaction on the active document. This transaction
* will later appear in the UNDO REDO dialog with the name of the command. If the user
* recall the transaction everything changed on the document between OpenCommand() and
* CommitCommand will be undone (or redone). You can use an alternative name for the
* operation default is the Command name.
* @see CommitCommand(),AbortCommand()
*/
void Command::openCommand(const char* sCmdName)
{
if (!sCmdName)
sCmdName = "Command";
App::GetApplication().setActiveTransaction(sCmdName);
}
void Command::commitCommand()
{
App::GetApplication().closeActiveTransaction();
}
void Command::abortCommand()
{
App::GetApplication().closeActiveTransaction(true);
}
bool Command::hasPendingCommand()
{
return !!App::GetApplication().getActiveTransaction();
}
bool Command::_blockCmd = false;
void Command::blockCommand(bool block)
{
Command::_blockCmd = block;
}
/// Run a App level Action
void Command::_doCommand(const char *file, int line, DoCmd_Type eType, const char* sCmd, ...)
{
va_list ap;
va_start(ap, sCmd);
QString s;
#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
const QString cmd = s.vsprintf(sCmd, ap);
#else
const QString cmd = s.vasprintf(sCmd, ap);
#endif
va_end(ap);
// 'vsprintf' expects a utf-8 string for '%s'
QByteArray format = cmd.toUtf8();
#ifdef FC_LOGUSERACTION
Base::Console().Log("CmdC: %s\n", format.constData());
#endif
_runCommand(file,line,eType,format.constData());
}
void Command::printPyCaller() {
if(!FC_LOG_INSTANCE.isEnabled(FC_LOGLEVEL_LOG))
return;
PyFrameObject* frame = PyEval_GetFrame();
if(!frame)
return;
int line = PyFrame_GetLineNumber(frame);
#if PY_VERSION_HEX < 0x030b0000
const char *file = PyUnicode_AsUTF8(frame->f_code->co_filename);
printCaller(file?file:"<no file>",line);
#else
PyCodeObject* code = PyFrame_GetCode(frame);
const char* file = PyUnicode_AsUTF8(code->co_filename);
printCaller(file?file:"<no file>",line);
Py_DECREF(code);
#endif
}
void Command::printCaller(const char *file, int line) {
if(!FC_LOG_INSTANCE.isEnabled(FC_LOGLEVEL_LOG))
return;
std::ostringstream str;
#ifdef FC_OS_WIN32
const char *_f = std::strstr(file, "\\src\\");
#else
const char *_f = std::strstr(file, "/src/");
#endif
str << "## " << (_f?_f+5:file)<<'('<<line<<')';
Gui::Application::Instance->macroManager()->addLine(MacroManager::Cmt,str.str().c_str());
}
/// Run a App level Action
void Command::_runCommand(const char *file, int line, DoCmd_Type eType, const char* sCmd)
{
LogDisabler d1;
SelectionLogDisabler d2;
Base::PyGILStateLocker lock;
printCaller(file,line);
if (eType == Gui)
Gui::Application::Instance->macroManager()->addLine(MacroManager::Gui,sCmd);
else
Gui::Application::Instance->macroManager()->addLine(MacroManager::App,sCmd);
try {
Base::Interpreter().runString(sCmd);
}
catch(Py::Exception &) {
Base::PyException::ThrowException();
}
}
/// Run a App level Action
void Command::_runCommand(const char *file, int line, DoCmd_Type eType, const QByteArray& sCmd)
{
_runCommand(file,line,eType,sCmd.constData());
}
void Command::addModule(DoCmd_Type eType,const char* sModuleName)
{
if(alreadyLoadedModule.find(sModuleName) == alreadyLoadedModule.end()) {
LogDisabler d1;
SelectionLogDisabler d2;
std::string sCmd("import ");
sCmd += sModuleName;
if (eType == Gui)
Gui::Application::Instance->macroManager()->addLine(MacroManager::Gui,sCmd.c_str());
else
Gui::Application::Instance->macroManager()->addLine(MacroManager::App,sCmd.c_str());
Base::Interpreter().runString(sCmd.c_str());
alreadyLoadedModule.insert(sModuleName);
}
}
std::string Command::_assureWorkbench(const char *file, int line, const char * sName)
{
// check if the WB is already open?
std::string actName = WorkbenchManager::instance()->active()->name();
// if yes, do nothing
if(actName == sName)
return actName;
// else - switch to new WB
_doCommand(file,line,Gui,"Gui.activateWorkbench('%s')",sName);
return actName;
}
void Command::_copyVisual(const char *file, int line, const char* to, const char* attr, const char* from)
{
_copyVisual(file,line,to,attr,from,attr);
}
void Command::_copyVisual(const char *file, int line, const char* to, const char* attr_to, const char* from, const char* attr_from)
{
auto doc = App::GetApplication().getActiveDocument();
if(!doc)
return;
return _copyVisual(file,line,doc->getObject(to),attr_to,
doc->getObject(from),attr_from);
}
void Command::_copyVisual(const char *file, int line, const App::DocumentObject *to, const char* attr_to, const App::DocumentObject *from, const char *attr_from)
{
if(!from || !from->getNameInDocument() || !to || !to->getNameInDocument())
return;
static std::map<std::string,std::string> attrMap = {
{"ShapeColor","ShapeMaterial.DiffuseColor"},
// {"LineColor","ShapeMaterial.DiffuseColor"},
// {"PointColor","ShapeMaterial.DiffuseColor"},
{"Transparency","Transparency"},
};
auto it = attrMap.find(attr_to);
auto objCmd = getObjectCmd(to);
if(it!=attrMap.end()) {
auto obj = from;
for(int depth=0;;++depth) {
auto vp = dynamic_cast<Gui::ViewProviderLink*>(
Gui::Application::Instance->getViewProvider(obj));
if(vp && vp->OverrideMaterial.getValue()) {
_doCommand(file,line,Gui,"%s.ViewObject.%s=%s.ViewObject.%s",
objCmd.c_str(),attr_to,getObjectCmd(obj).c_str(),it->second.c_str());
return;
}
auto linked = obj->getLinkedObject(false,nullptr,false,depth);
if(!linked || linked==obj)
break;
obj = linked;
}
}
try {
_doCommand(file,line,Gui,
"%s.ViewObject.%s=getattr(%s.getLinkedObject(True).ViewObject,'%s',%s.ViewObject.%s)",
objCmd.c_str(),attr_to,getObjectCmd(from).c_str(),attr_from,objCmd.c_str(),attr_to);
}
catch(Base::Exception& /*e*/) {
// e.ReportException();
}
}
void Command::_copyVisual(const char *file, int line, const App::DocumentObject *to, const char* attr, const App::DocumentObject *from)
{
_copyVisual(file,line,to,attr,from,attr);
}
std::string Command::getPythonTuple(const std::string& name, const std::vector<std::string>& subnames)
{
std::stringstream str;
std::vector<std::string>::const_iterator last = --subnames.end();
str << "(App.ActiveDocument." << name << ",[";
for (std::vector<std::string>::const_iterator it = subnames.begin();it!=subnames.end();++it){
str << "\"" << *it << "\"";
if (it != last)
str << ",";
}
str << "])";
return str.str();
}
const std::string Command::strToPython(const char* Str)
{
return Base::InterpreterSingleton::strToPython(Str);
}
/// Updates the (active) document (propagate changes)
void Command::updateActive()
{
WaitCursor wc;
doCommand(App,"App.ActiveDocument.recompute()");
}
bool Command::isActiveObjectValid()
{
Gui::Document* active = Gui::Application::Instance->activeDocument();
assert(active);
App::Document* document = active->getDocument();
App::DocumentObject* object = document->getActiveObject();
assert(object);
return object->isValid();
}
/// Updates the (all or listed) documents (propagate changes)
void Command::updateAll(std::list<Gui::Document*> cList)
{
if (cList.size()>0) {
for (std::list<Gui::Document*>::iterator It= cList.begin();It!=cList.end();++It)
(*It)->onUpdate();
}
else {
Gui::Application::Instance->onUpdate();
}
}
//--------------------------------------------------------------------------
// Online help handling
//--------------------------------------------------------------------------
/// returns the begin of a online help page
const char * Command::beginCmdHelp()
{
return "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">\n"
"<html>\n"
"<head>\n"
"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=ISO-8859-1\">\n"
"<title>FreeCAD Main Index</title>\n"
"</head>\n"
"<body bgcolor=\"#ffffff\">\n\n";
}
/// returns the end of a online help page
const char * Command::endCmdHelp()
{
return "</body></html>\n\n";
}
void Command::recreateTooltip(const char* context, Action* action)
{
QString tooltip;
tooltip.append(QString::fromLatin1("<h3>"));
tooltip.append(QCoreApplication::translate(
context, getMenuText()));
tooltip.append(QString::fromLatin1("</h3>"));
QRegularExpression re(QString::fromLatin1("([^&])&([^&])"));
tooltip.replace(re, QString::fromLatin1("\\1\\2"));
tooltip.replace(QString::fromLatin1("&&"), QString::fromLatin1("&"));
tooltip.append(QCoreApplication::translate(
context, getToolTipText()));
tooltip.append(QString::fromLatin1("<br><i>("));
tooltip.append(QCoreApplication::translate(
context, getWhatsThis()));
tooltip.append(QString::fromLatin1(")</i> "));
action->setToolTip(tooltip);
QString accel = action->shortcut().toString(QKeySequence::NativeText);
if (!accel.isEmpty()) {
// show shortcut inside tooltip
QString ttip = QString::fromLatin1("%1 (%2)")
.arg(action->toolTip(), accel);
action->setToolTip(ttip);
// show shortcut inside status tip
QString stip = QString::fromLatin1("(%1)\t%2")
.arg(accel, action->statusTip());
action->setStatusTip(stip);
}
if (sStatusTip)
action->setStatusTip(QCoreApplication::translate(
context, getStatusTip()));
else
action->setStatusTip(QCoreApplication::translate(
context, getToolTipText()));
}
void Command::applyCommandData(const char* context, Action* action)
{
action->setText(QCoreApplication::translate(
context, getMenuText()));
recreateTooltip(context, action);
action->setWhatsThis(QCoreApplication::translate(
context, getWhatsThis()));
}
const char* Command::keySequenceToAccel(int sk) const
{
/* Local class to ensure free()'ing the strings allocated below */
typedef std::map<int, std::string> StringMap;
static StringMap strings;
StringMap::iterator i = strings.find(sk);
if (i != strings.end())
return i->second.c_str();
QKeySequence::StandardKey type = (QKeySequence::StandardKey)sk;
QKeySequence ks(type);
QString qs = ks.toString();
QByteArray data = qs.toLatin1();
return (strings[sk] = static_cast<const char*>(data)).c_str();
}
void Command::adjustCameraPosition()
{
Gui::Document* doc = Gui::Application::Instance->activeDocument();
if (doc) {
Gui::View3DInventor* view = static_cast<Gui::View3DInventor*>(doc->getActiveView());
Gui::View3DInventorViewer* viewer = view->getViewer();
SoCamera* camera = viewer->getSoRenderManager()->getCamera();
if (!camera || !camera->isOfType(SoOrthographicCamera::getClassTypeId()))
return;
// get scene bounding box
SoGetBoundingBoxAction action(viewer->getSoRenderManager()->getViewportRegion());
action.apply(viewer->getSceneGraph());
SbBox3f box = action.getBoundingBox();
if (box.isEmpty())
return;
// get cirumscribing sphere and check if camera is inside
SbVec3f cam_pos = camera->position.getValue();
SbVec3f box_cnt = box.getCenter();
SbSphere bs;
bs.circumscribe(box);
float radius = bs.getRadius();
float distance_to_midpoint = (box_cnt-cam_pos).length();
if (radius >= distance_to_midpoint) {
// Move the camera to the edge of the bounding sphere, while still
// pointing at the scene.
SbVec3f direction = cam_pos - box_cnt;
(void) direction.normalize(); // we know this is not a null vector
camera->position.setValue(box_cnt + direction * radius);
// New distance to mid point
distance_to_midpoint =
(camera->position.getValue() - box.getCenter()).length();
camera->nearDistance = distance_to_midpoint - radius;
camera->farDistance = distance_to_midpoint + radius;
camera->focalDistance = distance_to_midpoint;
}
}
}
void Command::printConflictingAccelerators() const
{
auto cmd = Application::Instance->commandManager().checkAcceleratorForConflicts(sAccel, this);
if (cmd)
Base::Console().Warning("Accelerator conflict between %s (%s) and %s (%s)\n", sName, sAccel, cmd->sName, cmd->sAccel);
}
Action * Command::createAction()
{
Action *pcAction;
pcAction = new Action(this,getMainWindow());
#ifdef FC_DEBUG
printConflictingAccelerators();
#endif
pcAction->setShortcut(QString::fromLatin1(sAccel));
applyCommandData(this->className(), pcAction);
if (sPixmap)
pcAction->setIcon(Gui::BitmapFactory().iconFromTheme(sPixmap));
return pcAction;
}
void Command::languageChange()
{
if (_pcAction) {