Doc: Remove mentioning of Fowler book

It is out of print since years, and probably quite dated by now (released
1997).

Pick-to: 6.3
Change-Id: I1653eb404713c15d70b8a15858e8c7d12b2e71cb
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>

src/gui/image/qicon.cpp

@@ -667,7 +667,7 @@ QFactoryLoader *qt_iconEngineFactoryLoader()
     └── index.theme
   \endcode
 
-  \sa {fowler}{GUI Design Handbook: Iconic Label}, {Icons Example}
+  \sa {Icons Example}
 */
 
 

src/gui/kernel/qcursor.cpp

@@ -150,7 +150,7 @@ QT_BEGIN_NAMESPACE
          \li Qt::DragLinkCursor      \li \c dnd-link or \c link
     \endtable
 
-    \sa QWidget, {fowler}{GUI Design Handbook: Cursors}
+    \sa QWidget
 */
 
 /*!

src/widgets/dialogs/qdialog.cpp

@@ -380,8 +380,7 @@ void QDialogPrivate::deletePlatformHelper()
 
     \snippet dialogs/dialogs.cpp 0
 
-    \sa QDialogButtonBox, QTabWidget, QWidget, QProgressDialog,
-        {fowler}{GUI Design Handbook: Dialogs, Standard}, {Extension Example},
+    \sa QDialogButtonBox, QTabWidget, QWidget, QProgressDialog, {Extension Example},
         {Standard Dialogs Example}
 */
 

src/widgets/dialogs/qmessagebox.cpp

@@ -749,8 +749,7 @@ void QMessageBoxPrivate::_q_clicked(QPlatformDialogHelper::StandardButton button
     When an escape button can't be determined using these rules,
     pressing \uicontrol Esc has no effect.
 
-    \sa QDialogButtonBox, {fowler}{GUI Design Handbook: Message Box}, {Standard Dialogs Example},
-        {Qt Widgets - Application Example}
+    \sa QDialogButtonBox, {Standard Dialogs Example}, {Qt Widgets - Application Example}
 */
 
 /*!

src/widgets/dialogs/qprogressdialog.cpp

@@ -251,8 +251,7 @@ void QProgressDialogPrivate::_q_disconnectOnClose()
 
   \image fusion-progressdialog.png A progress dialog shown in the Fusion widget style.
 
-  \sa QDialog, QProgressBar, {fowler}{GUI Design Handbook: Progress Indicator},
-      {Find Files Example}, {Pixelator Example}
+  \sa QDialog, QProgressBar, {Find Files Example}, {Pixelator Example}
 */
 
 

src/widgets/doc/src/guibooks.qdoc

@@ -52,16 +52,6 @@
     design a dialog box, write an error message, or design just about
     anything else humans are supposed to use.
 
-    \target fowler
-    \b{\l{http://www.amazon.com/exec/obidos/ASIN/0070592748/trolltech/t}{GUI Design Handbook}}
-    by Susan Fowler, ISBN 0-07-059274-8, is an
-    alphabetical dictionary of widgets and other user interface elements,
-    with comprehensive coverage of each. Each chapter covers one widget
-    or other element, contains the most important recommendation from the
-    \macos, Windows and Motif style guides, notes about common
-    problems, comparison with other widgets that can serve some of the
-    same roles as this one, etc.
-
     \target Design Patterns
     \b{\l{http://www.amazon.com/exec/obidos/ASIN/0201633612/103-8144203-3273444}
     {Design Patterns - Elements of Reusable Object-Oriented Software}}

src/widgets/widgets/qcheckbox.cpp

@@ -122,7 +122,7 @@ public:
     setAutoRepeat(), toggle(), pressed(), released(), clicked(), toggled(),
     checkState(), and stateChanged().
 
-    \sa QAbstractButton, QRadioButton, {fowler}{GUI Design Handbook: Check Box}
+    \sa QAbstractButton, QRadioButton
 */
 
 /*!

src/widgets/widgets/qcombobox.cpp

@@ -1042,8 +1042,7 @@ QComboBox::QComboBox(QComboBoxPrivate &dd, QWidget *parent)
     of the view(), e.g., by using
     \l{QAbstractItemView::}{setSelectionMode()}.
 
-    \sa QLineEdit, QSpinBox, QRadioButton, QButtonGroup,
-        {fowler}{GUI Design Handbook: Combo Box, Drop-Down List Box}
+    \sa QLineEdit, QSpinBox, QRadioButton, QButtonGroup
 */
 
 void QComboBoxPrivate::init()

src/widgets/widgets/qdial.cpp

@@ -226,7 +226,7 @@ int QDialPrivate::valueFromPoint(const QPoint &p) const
     by \l {QAbstractSlider::singleStep} {singleStep}, and
     \l {QAbstractSlider::pageStep} {pageStep}.
 
-    \sa QScrollBar, QSpinBox, QSlider, {fowler}{GUI Design Handbook: Slider}, {Sliders Example}
+    \sa QScrollBar, QSpinBox, QSlider, {Sliders Example}
 */
 
 /*!

src/widgets/widgets/qlabel.cpp

@@ -183,8 +183,7 @@ QLabelPrivate::~QLabelPrivate()
     was a button (inheriting from QAbstractButton), triggering the
     mnemonic would emulate a button click.
 
-    \sa QLineEdit, QTextEdit, QPixmap, QMovie,
-        {fowler}{GUI Design Handbook: Label}
+    \sa QLineEdit, QTextEdit, QPixmap, QMovie
 */
 
 #ifndef QT_NO_PICTURE

src/widgets/widgets/qlineedit.cpp

@@ -208,7 +208,7 @@ void QLineEdit::initStyleOption(QStyleOptionFrame *option) const
     Any other key sequence that represents a valid character, will
     cause the character to be inserted into the line edit.
 
-    \sa QTextEdit, QLabel, QComboBox, {fowler}{GUI Design Handbook: Field, Entry}, {Line Edits Example}
+    \sa QTextEdit, QLabel, QComboBox, {Line Edits Example}
 */
 
 

src/widgets/widgets/qmenu.cpp

@@ -1726,8 +1726,7 @@ void QMenu::initStyleOption(QStyleOptionMenuItem *option, const QAction *action)
     \b{Important inherited functions:} addAction(), removeAction(), clear(),
     addSeparator(), and addMenu().
 
-    \sa QMenuBar, {fowler}{GUI Design Handbook: Menu, Drop-Down and Pop-Up},
-        {Qt Widgets - Application Example}, {Menus Example}
+    \sa QMenuBar, {Qt Widgets - Application Example}, {Menus Example}
 */
 
 

src/widgets/widgets/qmenubar.cpp

@@ -684,7 +684,7 @@ void QMenuBar::initStyleOption(QStyleOptionMenuItem *option, const QAction *acti
 
     \sa QMenu, QShortcut, QAction,
         {http://developer.apple.com/documentation/UserExperience/Conceptual/AppleHIGuidelines/XHIGIntro/XHIGIntro.html}{Introduction to Apple Human Interface Guidelines},
-        {fowler}{GUI Design Handbook: Menu Bar}, {Menus Example}
+        {Menus Example}
 */
 
 

src/widgets/widgets/qprogressbar.cpp

@@ -201,7 +201,7 @@ bool QProgressBarPrivate::repaintRequired() const
     example, when using QNetworkAccessManager to download items when
     they are unable to determine the size of the item being downloaded.
 
-    \sa QProgressDialog, {fowler}{GUI Design Handbook: Progress Indicator}
+    \sa QProgressDialog
 */
 
 /*!

src/widgets/widgets/qpushbutton.cpp

@@ -171,7 +171,7 @@ QT_BEGIN_NAMESPACE
     and other API, and QPushButton provides GUI logic.
     See QAbstractButton for more information about the API.
 
-    \sa QToolButton, QRadioButton, QCheckBox, {fowler}{GUI Design Handbook: Push Button}
+    \sa QToolButton, QRadioButton, QCheckBox
 */
 
 /*!

src/widgets/widgets/qradiobutton.cpp

@@ -118,8 +118,7 @@ void QRadioButtonPrivate::init()
     setDown(), isDown(), autoRepeat(), group(), setAutoRepeat(),
     toggle(), pressed(), released(), clicked(), and toggled().
 
-    \sa QPushButton, QToolButton, QCheckBox, {fowler}{GUI Design Handbook: Radio Button},
-        {Group Box Example}
+    \sa QPushButton, QToolButton, QCheckBox, {Group Box Example}
 */
 
 

src/widgets/widgets/qscrollbar.cpp

@@ -187,7 +187,7 @@ QT_BEGIN_NAMESPACE
     Most GUI styles use the pageStep() value to calculate the size of the
     slider.
 
-    \sa QScrollArea, QSlider, QDial, QSpinBox, {fowler}{GUI Design Handbook: Scroll Bar}, {Sliders Example}
+    \sa QScrollArea, QSlider, QDial, QSpinBox, {Sliders Example}
 */
 
 bool QScrollBarPrivate::updateHoverControl(const QPoint &pos)

src/widgets/widgets/qslider.cpp

@@ -263,7 +263,7 @@ QStyle::SubControl QSliderPrivate::newHoverControl(const QPoint &pos)
         \li End moves to the end (maximum).
     \endlist
 
-    \sa QScrollBar, QSpinBox, QDial, {fowler}{GUI Design Handbook: Slider}, {Sliders Example}
+    \sa QScrollBar, QSpinBox, QDial, {Sliders Example}
 */
 
 

src/widgets/widgets/qstatusbar.cpp

@@ -215,8 +215,7 @@ QRect QStatusBarPrivate::messageRect() const
 
     \image fusion-statusbar-sizegrip.png A status bar shown in the Fusion widget style
 
-    \sa QMainWindow, QStatusTipEvent, {fowler}{GUI Design Handbook:
-    Status Bar}, {Qt Widgets - Application Example}
+    \sa QMainWindow, QStatusTipEvent, {Qt Widgets - Application Example}
 */
 
 

src/widgets/widgets/qtoolbutton.cpp

@@ -169,8 +169,7 @@ bool QToolButtonPrivate::hasMenu() const
          with actions used in other parts of the main window.
     \endtable
 
-    \sa QPushButton, QToolBar, QMainWindow, QAction,
-        {fowler}{GUI Design Handbook: Push Button}
+    \sa QPushButton, QToolBar, QMainWindow, QAction
 */
 
 /*!