Version 2.4

gpxsee.nsi

@@ -63,7 +63,7 @@ Section "GPXSee (required)" SEC_APP
   ; Write the uninstall keys for Windows
   WriteRegStr HKCU "${REGENTRY}" "DisplayName" "GPXSee"
   WriteRegStr HKCU "${REGENTRY}" "Publisher" "Martin Tuma"
-  WriteRegStr HKCU "${REGENTRY}" "DisplayVersion" "2.3"
+  WriteRegStr HKCU "${REGENTRY}" "DisplayVersion" "2.4"
   WriteRegStr HKCU "${REGENTRY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
   WriteRegDWORD HKCU "${REGENTRY}" "NoModify" 1
   WriteRegDWORD HKCU "${REGENTRY}" "NoRepair" 1

src/config.h

@@ -3,7 +3,7 @@
 
 #define APP_NAME       "GPXSee"
 #define APP_HOMEPAGE   "http://tumic.wz.cz/gpxsee"
-#define APP_VERSION    "2.3"
+#define APP_VERSION    "2.4"
 
 #define FONT_FAMILY    "Arial"
 #define FONT_SIZE      12

src/gui.cpp

@@ -400,9 +400,11 @@ bool GUI::openFile(const QString &fileName)
 		_navigationActionGroup->setEnabled(true);
 		updateNavigationActions();
 		return true;
-	} else
+	} else {
+		updateNavigationActions();
 		return false;
 	}
+}
 
 bool GUI::loadFile(const QString &fileName)
 {
@@ -537,7 +539,6 @@ void GUI::closeFile()
 	_files.clear();
 
 	_fileActionGroup->setEnabled(false);
-	_navigationActionGroup->setEnabled(false);
 	updateStatusBarInfo();
 }
 
@@ -640,8 +641,6 @@ void GUI::next()
 
 	closeFile();
 	openFile(file);
-
-	updateNavigationActions();
 }
 
 void GUI::prev()
@@ -652,8 +651,6 @@ void GUI::prev()
 
 	closeFile();
 	openFile(file);
-
-	updateNavigationActions();
 }
 
 void GUI::last()
@@ -664,8 +661,6 @@ void GUI::last()
 
 	closeFile();
 	openFile(file);
-
-	updateNavigationActions();
 }
 
 void GUI::first()
@@ -676,8 +671,6 @@ void GUI::first()
 
 	closeFile();
 	openFile(file);
-
-	updateNavigationActions();
 }
 
 void GUI::keyPressEvent(QKeyEvent *event)
@@ -704,6 +697,4 @@ void GUI::keyPressEvent(QKeyEvent *event)
 			closeFile();
 		openFile(file);
 	}
-
-	updateNavigationActions();
 }

src/track.cpp

@@ -205,6 +205,9 @@ void Track::redraw()
 
 void Track::wheelEvent(QWheelEvent *event)
 {
+	if (_tracks.isEmpty())
+		return;
+
 	QPointF pos = mapToScene(event->pos());
 	qreal scale = _scale;