fixed crash on "install" after gui start

doc/ChangeLog

@@ -1,5 +1,9 @@
 2008-08-30  Vadim Kurland  <vadim@vk.crocodile.org>
 
+	* FWWindow.cpp (FWWindow::FWWindow): fixed GUI crash that happened
+	when user clicked toolbar button "Install" right after gui start
+	before any data file was opened.
+
 	* instDialog.cpp (instDialog::fillCompileSelectList): disabled
 	font manipulations in install/compile dialog, it did not work
 	right on windows

src/gui/FWWindow.cpp

@@ -203,6 +203,8 @@ FWWindow::FWWindow() : QMainWindow(),   // QMainWindow(NULL, Qt::Desktop),
         qDebug("/FWWindow constructor");
 
     recreateWindowsMenu();    
+    disableActions(false);
+
 //    findObject->setMinimumSize( QSize( 0, 0 ) );
 }
 
@@ -1551,7 +1553,8 @@ void FWWindow::recreateWindowsMenu ()
     for (int i = 0 ; i < subWindowList.size();i++)
     {
         windowsPainters.push_back (subWindowList[i]);
-        ProjectPanel * pp = dynamic_cast <ProjectPanel *>(subWindowList[i]->widget());
+        ProjectPanel * pp = dynamic_cast<ProjectPanel *>(
+            subWindowList[i]->widget());
         if (pp!=NULL)
         {
             if (pp->isClosing())
@@ -1565,7 +1568,8 @@ void FWWindow::recreateWindowsMenu ()
             act->setCheckable ( true );
             if (subWindowList[i]==m_space->activeSubWindow ())
                 act->setChecked(true);
-            connect(act, SIGNAL(triggered()), this, SLOT(selectActiveSubWindow()));
+            connect(act, SIGNAL(triggered()),
+                    this, SLOT(selectActiveSubWindow()));
         }
     }
 

src/gui/ProjectPanel.cpp

@@ -458,7 +458,8 @@ void ProjectPanel::openRuleSet(FWObject * obj)
 void ProjectPanel::selectRules()
 {
 //    `unselect();
-    RuleSetView* rv=dynamic_cast<RuleSetView*>(m_panel->ruleSets->currentWidget());
+    RuleSetView* rv = dynamic_cast<RuleSetView*>(
+        m_panel->ruleSets->currentWidget());
     rv->setFocus();
 }
 
@@ -1135,7 +1136,8 @@ void ProjectPanel::rollBackSelectionDifferentWidget()
 QString ProjectPanel::printHeader()
 {
     QString headerText = rcs->getFileName().section("/",-1,-1);
-    if (rcs->isInRCS()) headerText = headerText + ", rev " + rcs->getSelectedRev();
+    if (rcs->isInRCS())
+        headerText = headerText + ", rev " + rcs->getSelectedRev();
     return headerText;
 }
 
@@ -1146,16 +1148,14 @@ void ProjectPanel::releaseEditor()
 
 void ProjectPanel::connectEditor(QWidget *w)
 {
-    connect(this,
-            SIGNAL(restoreSelection_sign(bool)),
-            w,
-            SLOT(restoreSelection(bool)));
+    connect(this, SIGNAL(restoreSelection_sign(bool)),
+            w, SLOT(restoreSelection(bool)));
 }
 
 bool ProjectPanel::requestEditorOwnership(QWidget *w,
-                                      FWObject *obj,
-                                      ObjectEditor::OptType otype,
-                                      bool validate)
+                                          FWObject *obj,
+                                          ObjectEditor::OptType otype,
+                                          bool validate)
 {
     if (!isEditorVisible()) return false;
 
@@ -1177,9 +1177,9 @@ bool ProjectPanel::requestEditorOwnership(QWidget *w,
          * is still connected to the previous owner
          */
         if (w == editorOwner )
-            QTimer::singleShot( 0, this, SLOT(rollBackSelectionSameWidget()) );
+            QTimer::singleShot(0, this, SLOT(rollBackSelectionSameWidget()));
         else
-            QTimer::singleShot( 0, this, SLOT(rollBackSelectionDifferentWidget()) );
+            QTimer::singleShot(0,this,SLOT(rollBackSelectionDifferentWidget()));
         return false;
     }
 
@@ -1209,8 +1209,7 @@ bool ProjectPanel::isStandardId(FWObject *obj)
     return objectTreeFormat->isStandardId(obj);
 }
     
-bool ProjectPanel::validateForInsertion(FWObject *target,
-                                        FWObject *obj)
+bool ProjectPanel::validateForInsertion(FWObject *target, FWObject *obj)
 {
     return objectTreeFormat->validateForInsertion(target, obj);
 }
@@ -1240,8 +1239,6 @@ FWObject* ProjectPanel::createNewLibrary(FWObjectDatabase *db)
     return objectTreeFormat->createNewLibrary(db);
 }
 
-
-
 void ProjectPanel::scheduleRuleSetRedraw()
 {
     if (!ruleSetRedrawPending)

src/gui/ProjectPanel_file_ops.cpp

@@ -1030,9 +1030,7 @@ void ProjectPanel::load(QWidget*)
 /*
  *  Load user data file referenced by the RCS object
  */
-void ProjectPanel::load(QWidget*,
-                        RCS* _rcs,
-                        FWObjectDatabase* clone)
+void ProjectPanel::load(QWidget*, RCS* _rcs, FWObjectDatabase* clone)
 {
     QStatusBar *sb = mainW->statusBar();
 
@@ -1176,6 +1174,7 @@ void ProjectPanel::load(QWidget*,
                             0, 1 );
 
                         load(this);
+                        mainW->disableActions(m_panel->ruleSets->count()!=0);
                         return;
                     }
                     nfinfo.setFile(nfn);
@@ -1209,6 +1208,7 @@ void ProjectPanel::load(QWidget*,
         mainW->addToRCSActionSetEn( !rcs->isInRCS() && !rcs->isRO());
         mainW->fileDiscardActionSetEn( rcs->isInRCS() && !rcs->isRO());
         mainW->fileCommitActionSetEn( rcs->isInRCS() && !rcs->isRO());
+        mainW->disableActions(m_panel->ruleSets->count()!=0);
 
     } catch(FWException &ex)
     {
@@ -1252,6 +1252,7 @@ void ProjectPanel::load(QWidget*,
                 0, 1 );
         }
         load(this);
+        mainW->disableActions(m_panel->ruleSets->count()!=0);
         return;
     }
 
@@ -1515,6 +1516,7 @@ void ProjectPanel::load(QWidget*, RCS *_rcs)
         mainW->addToRCSActionSetEn( !rcs->isInRCS() && !rcs->isRO());
         mainW->fileDiscardActionSetEn( rcs->isInRCS() && !rcs->isRO());
         mainW->fileCommitActionSetEn( rcs->isInRCS() && !rcs->isRO());
+        mainW->disableActions(m_panel->ruleSets->count()!=0);
 
     } catch(FWException &ex)
     {