First step in background erase optimization

[wxWidgets.git] / docs / latex / wx / tsamples.tex

diff --git a/docs/latex/wx/tsamples.tex b/docs/latex/wx/tsamples.tex
index e0b64545bccbee096080ae756b692270abd341ae..3af85079157f8349d3e7549745f4094ce100528b 100644 (file)
--- a/docs/latex/wx/tsamples.tex
+++ b/docs/latex/wx/tsamples.tex
@@ -5,29 +5,29 @@
 %% Modified by:
 %% Created:     02.11.99
 %% RCS-ID:      $Id$
 %% Modified by:
 %% Created:     02.11.99
 %% RCS-ID:      $Id$

-%% Copyright:   (c) wxWindows team
-%% Licence:     wxWindows licence
+%% Copyright:   (c) wxWidgets team
+%% License:     wxWidgets license

 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % NB: please keep the subsections in alphabetic order!
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % NB: please keep the subsections in alphabetic order!
 

-\section{wxWindows samples}\label{samples}
+\section{wxWidgets samples}\label{samples}

 
 

-Probably the best way to learn wxWindows is by reading the source of some 50+
-samples provided with it. Many aspects of wxWindows programming can be learnt
+Probably the best way to learn wxWidgets is by reading the source of some 50+
+samples provided with it. Many aspects of wxWidgets programming can be learnt

 from them, but sometimes it is not simple to just choose the right sample to
 look at. This overview aims at describing what each sample does/demonstrates to
 make it easier to find the relevant one if a simple grep through all sources
 didn't help. They also provide some notes about using the samples and what
 from them, but sometimes it is not simple to just choose the right sample to
 look at. This overview aims at describing what each sample does/demonstrates to
 make it easier to find the relevant one if a simple grep through all sources
 didn't help. They also provide some notes about using the samples and what

-features of wxWindows are they supposed to test.
+features of wxWidgets are they supposed to test.

 
 

-There are currently more than 50 different samples as part of wxWindows and
-this list is not complete. You should start your tour of wxWindows with the 
-\helpref{minimal sample}{sampleminimal} which is the wxWindows version of
-"Hello, world!". It shows the basic structure of wxWindows program and is the
+There are currently more than 50 different samples as part of wxWidgets and
+this list is not complete. You should start your tour of wxWidgets with the 
+\helpref{minimal sample}{sampleminimal} which is the wxWidgets version of
+"Hello, world!". It shows the basic structure of wxWidgets program and is the

 most commented sample of all - looking at its source code is recommended.
 
 The next most useful sample is probably the \helpref{controls}{samplecontrols} 
 most commented sample of all - looking at its source code is recommended.
 
 The next most useful sample is probably the \helpref{controls}{samplecontrols} 

-one which shows many of wxWindows standard controls, such as buttons,
+one which shows many of wxWidgets standard controls, such as buttons,

 listboxes, checkboxes, comboboxes etc.
 
 Other, more complicated controls, have their own samples. In this category you
 listboxes, checkboxes, comboboxes etc.
 
 Other, more complicated controls, have their own samples. In this category you


@@ -41,15 +41,25 @@ may find the following samples showing the corresponding controls:
 \end{twocollist}
 
 Finally, it might be helpful to do a search in the entire sample directory if
 \end{twocollist}
 
 Finally, it might be helpful to do a search in the entire sample directory if

-you can't find the sample you showing the control you are interested in by
-name. Most of wxWindows classes, occur in at least one of the samples.
+you can't find the sample showing the control you are interested in by
+name. Most classes contained in wxWidgets occur in at least one of the samples.
+

 
 \subsection{Minimal sample}\label{sampleminimal}
 
 The minimal sample is what most people will know under the term Hello World,
 i.e. a minimal program that doesn't demonstrate anything apart from what is
 needed to write a program that will display a "hello" dialog. This is usually
 
 \subsection{Minimal sample}\label{sampleminimal}
 
 The minimal sample is what most people will know under the term Hello World,
 i.e. a minimal program that doesn't demonstrate anything apart from what is
 needed to write a program that will display a "hello" dialog. This is usually

-a good starting point for learning how to use wxWindows.
+a good starting point for learning how to use wxWidgets.
+
+
+\subsection{Art provider sample}\label{sampleartprovider}
+
+The {\tt artprov} sample shows how you can customize the look of standard
+wxWidgets dialogs by replacing default bitmaps/icons with your own versions.
+It also shows how you can use wxArtProvider to
+get stock bitmaps for use in your application.
+

 
 \subsection{Calendar sample}\label{samplecalendar}
 
 
 \subsection{Calendar sample}\label{samplecalendar}
 


@@ -57,35 +67,38 @@ This font shows the \helpref{calendar control}{wxcalendarctrl} in action. It
 shows how to configure the control (see the different options in the calendar
 menu) and also how to process the notifications from it.
 
 shows how to configure the control (see the different options in the calendar
 menu) and also how to process the notifications from it.
 

+

 \subsection{Checklist sample}\label{samplechecklist}
 
 This sample demonstrates the use of the \helpref{wxCheckListBox}{wxchecklistbox}
 class intercepting check, select and double click events. It also tests the
 \subsection{Checklist sample}\label{samplechecklist}
 
 This sample demonstrates the use of the \helpref{wxCheckListBox}{wxchecklistbox}
 class intercepting check, select and double click events. It also tests the

-use of various methods modifiying the control, such as by deleting items
-from it or inserting new once (these fucntions are actually implememted in
+use of various methods modifying the control, such as by deleting items
+from it or inserting new ones (these functions are actually implemented in

 the parent class \helpref{wxListBox}{wxlistbox} so the sample tests that class
 as well). The layout of the dialog is created using a \helpref{wxBoxSizer}{wxboxsizer}
 demonstrating a simple dynamic layout.
 
 the parent class \helpref{wxListBox}{wxlistbox} so the sample tests that class
 as well). The layout of the dialog is created using a \helpref{wxBoxSizer}{wxboxsizer}
 demonstrating a simple dynamic layout.
 

+

 \subsection{Config sample}\label{sampleconfig}
 
 This sample demonstrates the \helpref{wxConfig}{wxconfigbase} classes in a platform
 \subsection{Config sample}\label{sampleconfig}
 
 This sample demonstrates the \helpref{wxConfig}{wxconfigbase} classes in a platform

-indepedent way, i.e. it uses text based files to store a given configuration under
+independent way, i.e. it uses text based files to store a given configuration under

 Unix and uses the Registry under Windows.
 
 See \helpref{wxConfig overview}{wxconfigoverview} for the descriptions of all
 features of this class.
 
 Unix and uses the Registry under Windows.
 
 See \helpref{wxConfig overview}{wxconfigoverview} for the descriptions of all
 features of this class.
 

+

 \subsection{Controls sample}\label{samplecontrols}
 
 The controls sample is the main test program for most simple controls used in
 \subsection{Controls sample}\label{samplecontrols}
 
 The controls sample is the main test program for most simple controls used in

-wxWindows. The sample tests their basic functionality, events, placement,
+wxWidgets. The sample tests their basic functionality, events, placement,

 modification in terms of colour and font as well as the possibility to change
 modification in terms of colour and font as well as the possibility to change

-the controls programmatically, such as adding item to a list box etc. Apart
+the controls programmatically, such as adding an item to a list box etc. Apart

 from that, the sample uses a \helpref{wxNotebook}{wxnotebook} and tests most
 from that, the sample uses a \helpref{wxNotebook}{wxnotebook} and tests most

-fetaures of this special control (using bitmap in the tabs, using
+features of this special control (using bitmap in the tabs, using 

 \helpref{wxSizers}{wxsizer} and \helpref{constraints}{wxlayoutconstraints} within
 \helpref{wxSizers}{wxsizer} and \helpref{constraints}{wxlayoutconstraints} within

-notebook pages, advanving pages programmatically and vetoing a page change
+notebook pages, advancing pages programmatically and vetoing a page change

 by intercepting the \helpref{wxNotebookEvent}{wxnotebookevent}.
 
 The various controls tested are listed here:
 by intercepting the \helpref{wxNotebookEvent}{wxnotebookevent}.
 
 The various controls tested are listed here:


@@ -108,55 +121,33 @@ The various controls tested are listed here:
 \twocolitem{\helpref{wxSlider}{wxslider}}{A slider that can be dragged by the user}
 \end{twocollist}
 
 \twocolitem{\helpref{wxSlider}{wxslider}}{A slider that can be dragged by the user}
 \end{twocollist}
 

+

 \subsection{Database sample}\label{sampledb}
 
 The database sample is a small test program showing how to use the ODBC
 \subsection{Database sample}\label{sampledb}
 
 The database sample is a small test program showing how to use the ODBC

-classes written by Remstar Intl. These classes are documented in a separate
-manual available from the wxWindows homepage. Obviously, this sample
-requires a database with ODBC support to be correctly installed on your
-system.
-
-\subsection{Dialogs sample}\label{sampledialogs}
+classes written by Remstar Intl.  Obviously, this sample requires a 
+database with ODBC support to be correctly installed on your system.

 
 

-This sample shows how to use the common dialogs available from wxWindows. These
-dialogs are desrcibed in details in the \helpref{Common dialogs overview}{commondialogsoverview}.

 
 

-\subsection{Dynamic sample}\label{sampledynamic}
-
-This sample is a very small sample that demonstrates the use of the
-\helpref{wxEvtHandler::Connect}{wxevthandlerconnect} method. This method
-should be used whenever it is not known at compile time, which control
-will receive which event or which controls are actually going to be in
-a dialog or frame. This is most typically the case for any scripting
-languge that would work as a wrapper for wxWindows or programs where
-forms or similar datagrams can be created by the uses.
+\subsection{Dialogs sample}\label{sampledialogs}

 
 

-\subsection{Exec sample}\label{sampleexec}
+This sample shows how to use the common dialogs available from wxWidgets. These
+dialogs are described in detail in the \helpref{Common dialogs overview}{commondialogsoverview}.

 
 

-The exec sample demonstrates the \helpref{wxExecute}{wxexecute} and 
-\helpref{wxShell}{wxshell} functions. Both of them are used to execute the
-external programs and the sample shows how to do this synchronously (waiting
-until the program terminates) or asynchronously (notification will come later).

 
 

-\subsection{Scroll subwindow sample}\label{samplescrollsub}
+\subsection{Dialup sample}\label{sampledialup}

 
 

-This sample demonstrates the use of the \helpref{wxScrolledWindow}{wxscrolledwindow}
-class including placing subwindows into it and drawing simple graphics. It uses the
-\helpref{SetTargetWindow}{wxscrolledwindowsettargetwindow} method and thus the effect
-of scrolling does not show in the scrolled window itself, but in one of its subwindows.
+This sample shows the \helpref{wxDialUpManager}{wxdialupmanager} 
+class. It displays in the status bar the information gathered through its
+interface: in particular, the current connection status (online or offline) and
+whether the connection is permanent (in which case a string `LAN' appears in
+the third status bar field - but note that you may be on a LAN not
+connected to the Internet, in which case you will not see this) or not.

 
 

-Additionally, this samples demonstrates how to optimize drawing operations in wxWindows,
-in particular using the \helpref{wxWindow::IsExposed}{wxwindowisexposed} method with 
-the aim to prevent unnecessary drawing in the window and thus reducing or removing 
-flicker on screen.
+Using the menu entries, you may also dial or hang up the line if you have a
+modem attached and (this only makes sense for Windows) list the available
+connections.

 
 

-\subsection{Font sample}\label{samplefont}
-
-The font sample demonstrates \helpref{wxFont}{wxfont}, 
-\helpref{wxFontEnumerator}{wxfontenumerator} and 
-\helpref{wxFontMapper}{wxfontmapper} classes. It allows you to see the fonts
-available (to wxWindows) on the computer and shows all characters of the
-chosen font as well.

 
 \subsection{DnD sample}\label{samplednd}
 
 
 \subsection{DnD sample}\label{samplednd}
 


@@ -177,11 +168,11 @@ the sequence of steps of data transfer.
 Finally, the last part is used for dragging text from it to either one of the
 listboxes (only one will accept it) or another application. The last
 functionality available from the main frame is to paste a bitmap from the
 Finally, the last part is used for dragging text from it to either one of the
 listboxes (only one will accept it) or another application. The last
 functionality available from the main frame is to paste a bitmap from the

-clipboard (or, in the case of Windows version, also a metafile) - it will be
+clipboard (or, in the case of the Windows version, also a metafile) - it will be

 shown in a new frame.
 
 So far, everything we mentioned was implemented with minimal amount of code
 shown in a new frame.
 
 So far, everything we mentioned was implemented with minimal amount of code

-using standard wxWindows classes. The more advanced features are demonstrated
+using standard wxWidgets classes. The more advanced features are demonstrated

 if you create a shape frame from the main frame menu. A shape is a geometric
 object which has a position, size and color. It models some
 application-specific data in this sample. A shape object supports its own
 if you create a shape frame from the main frame menu. A shape is a geometric
 object which has a position, size and color. It models some
 application-specific data in this sample. A shape object supports its own


@@ -196,52 +187,113 @@ programs as well - try Write/Wordpad, for example).
 Take a look at DnDShapeDataObject class to see how you may use 
 \helpref{wxDataObject}{wxdataobject} to achieve this.
 
 Take a look at DnDShapeDataObject class to see how you may use 
 \helpref{wxDataObject}{wxdataobject} to achieve this.
 

+
+\subsection{Dynamic sample}\label{sampledynamic}
+
+This sample is a very small sample that demonstrates the use of the
+\helpref{wxEvtHandler::Connect}{wxevthandlerconnect} method. This method
+should be used whenever it is not known at compile time which control
+will receive which event or which controls are actually going to be in
+a dialog or frame. This is most typically the case for any scripting
+language that would work as a wrapper for wxWidgets or programs where
+forms or similar datagrams can be created by the users.
+
+See also the \helpref{event sample}{sampleevent}
+
+
+\subsection{Event sample}\label{sampleevent}
+
+The event sample demonstrates various features of the wxWidgets events. It
+shows using dynamic events and connecting/disconnecting the event handlers
+during the run time and also using 
+\helpref{PushEventHandler()}{wxwindowpusheventhandler} and
+\helpref{PopEventHandler()}{wxwindowpopeventhandler}.
+
+It replaces the old dynamic sample.
+
+
+\subsection{Except(ions) sample}\label{sampleexcept}
+
+This very simple sample shows how to use C++ exceptions in wxWidgets programs,
+i.e. where to catch the exception which may be thrown by the program code. It
+doesn't do anything very exciting by itself, you need to study its code to
+understand what goes on.
+
+You need to build the library with \texttt{wxUSE\_EXCEPTIONS} being set to $1$
+and compile your code with C++ exceptions support to be able to build this
+sample.
+
+
+\subsection{Exec sample}\label{sampleexec}
+
+The exec sample demonstrates the \helpref{wxExecute}{wxexecute} and 
+\helpref{wxShell}{wxshell} functions. Both of them are used to execute the
+external programs and the sample shows how to do this synchronously (waiting
+until the program terminates) or asynchronously (notification will come later).
+
+It also shows how to capture the output of the child process in both
+synchronous and asynchronous cases and how to kill the processes with 
+\helpref{wxProcess::Kill}{wxprocesskill} and test for their existence with 
+\helpref{wxProcess::Exists}{wxprocessexists}.
+
+
+\subsection{Font sample}\label{samplefont}
+
+The font sample demonstrates \helpref{wxFont}{wxfont}, 
+\helpref{wxFontEnumerator}{wxfontenumerator} and 
+\helpref{wxFontMapper}{wxfontmapper} classes. It allows you to see the fonts
+available (to wxWidgets) on the computer and shows all characters of the
+chosen font as well.
+
+

 \subsection{Grid sample}\label{samplegrid}
 
 TODO.
 
 \subsection{Grid sample}\label{samplegrid}
 
 TODO.
 

+

 \subsection{HTML samples}\label{samplehtml}
 
 Eight HTML samples (you can find them in directory {\tt samples/html})
 \subsection{HTML samples}\label{samplehtml}
 
 Eight HTML samples (you can find them in directory {\tt samples/html})

-cover all features of HTML sub-library.
+cover all features of the HTML sub-library.

 
 

-{\bf Test} demonstrates how to create \helpref{wxHtmlWindow}{wxhtmlwindow}
-and also shows most of supported HTML tags.
+{\bf Test} demonstrates how to create \helpref{wxHtmlWindow}{wxhtmlwindow} 
+and also shows most supported HTML tags.

 
 

-{\bf Widget} shows how you can embed ordinary controls or windows within
+{\bf Widget} shows how you can embed ordinary controls or windows within an

 HTML page. It also nicely explains how to write new tag handlers and extend
 the library to work with unsupported tags.
 
 HTML page. It also nicely explains how to write new tag handlers and extend
 the library to work with unsupported tags.
 

-{\bf About} may give you an idea how to write good-looking about boxes.
+{\bf About} may give you an idea how to write good-looking About boxes.

 
 {\bf Zip} demonstrates use of virtual file systems in wxHTML. The zip archives
 
 {\bf Zip} demonstrates use of virtual file systems in wxHTML. The zip archives

-handler (ships with wxWindows) allows you to access HTML pages stored 
-in compressed archive as if they were ordinary files.
+handler (ships with wxWidgets) allows you to access HTML pages stored 
+in a compressed archive as if they were ordinary files.

 
 

-{\bf Virtual} is yet another VFS demo. This one generates pages at run-time.
+{\bf Virtual} is yet another virtual file systems demo. This one generates pages at run-time.

 You may find it useful if you need to display some reports in your application.
 
 You may find it useful if you need to display some reports in your application.
 

-{\bf Printing} explains use of \helpref{wxHtmlEasyPrinting}{wxhtmleasyprinting}
+{\bf Printing} explains use of \helpref{wxHtmlEasyPrinting}{wxhtmleasyprinting} 

 class which serves as as-simple-as-possible interface for printing HTML 
 documents without much work. In fact, only few function calls are sufficient.
 
 {\bf Help} and {\bf Helpview} are variations on displaying HTML help 
 class which serves as as-simple-as-possible interface for printing HTML 
 documents without much work. In fact, only few function calls are sufficient.
 
 {\bf Help} and {\bf Helpview} are variations on displaying HTML help 

-(compatible with MS HTML Help Workshop). {\it Help} shows how to embed
+(compatible with MS HTML Help Workshop). {\it Help} shows how to embed 

 \helpref{wxHtmlHelpController}{wxhtmlhelpcontroller} in your application
 \helpref{wxHtmlHelpController}{wxhtmlhelpcontroller} in your application

-while {\it Helpview} is simple tool that only pops up help window and
+while {\it Helpview} is a simple tool that only pops up the help window and

 displays help books given at command line.
 
 displays help books given at command line.
 

+

 \subsection{Image sample}\label{sampleimage}
 
 The image sample demonstrates the use of the \helpref{wxImage}{wximage} class
 and shows how to download images in a variety of formats, currently PNG, GIF,
 \subsection{Image sample}\label{sampleimage}
 
 The image sample demonstrates the use of the \helpref{wxImage}{wximage} class
 and shows how to download images in a variety of formats, currently PNG, GIF,

-TIFF, JPEG, BMP, PNM and PCX. The top of the sample shows to rectangles, one
-of which is drawn directly in the window, the other one is drawn into a
+TIFF, JPEG, BMP, PNM and PCX. The top of the sample shows two rectangles, one
+of which is drawn directly in the window, the other one is drawn into a 

 \helpref{wxBitmap}{wxbitmap}, converted to a wxImage, saved as a PNG image
 and then reloaded from the PNG file again so that conversions between wxImage
 \helpref{wxBitmap}{wxbitmap}, converted to a wxImage, saved as a PNG image
 and then reloaded from the PNG file again so that conversions between wxImage

-and wxBitmap as well as loading and save PNG files are tested.
+and wxBitmap as well as loading and saving PNG files are tested.

 
 

-At the bottom of the main frame is a test for using a monochrome bitmap by
+At the bottom of the main frame there is a test for using a monochrome bitmap by

 drawing into a \helpref{wxMemoryDC}{wxmemorydc}. The bitmap is then drawn
 specifying the foreground and background colours with 
 \helpref{wxDC::SetTextForeground}{wxdcsettextforeground} and 
 drawing into a \helpref{wxMemoryDC}{wxmemorydc}. The bitmap is then drawn
 specifying the foreground and background colours with 
 \helpref{wxDC::SetTextForeground}{wxdcsettextforeground} and 


@@ -249,52 +301,107 @@ specifying the foreground and background colours with
 bitmap is then converted to a wxImage and the foreground colour (black) is
 replaced with red using \helpref{wxImage::Replace}{wximagereplace}.
 
 bitmap is then converted to a wxImage and the foreground colour (black) is
 replaced with red using \helpref{wxImage::Replace}{wximagereplace}.
 

+
+\subsection{Internat(ionalization) sample}\label{sampleinternat}
+
+The not very clearly named internat sample demonstrates the wxWidgets
+internationalization (i18n for short from now on) features. To be more
+precise, it only shows localization support, i.e. support for translating the
+program messages in another language while true i18n would also involve
+changing the other aspects of the programs behaviour.
+
+More information about this sample can be found in the {\tt readme.txt} file in
+its directory. Please see also \helpref{i18n overview}{internationalization}.
+
+

 \subsection{Layout sample}\label{samplelayout}
 
 The layout sample demonstrates the two different layout systems offered
 \subsection{Layout sample}\label{samplelayout}
 
 The layout sample demonstrates the two different layout systems offered

-by wxWindows. When starting the program, you will see a frame with some
+by wxWidgets. When starting the program, you will see a frame with some

 controls and some graphics. The controls will change their size whenever
 you resize the entire frame and the exact behaviour of the size changes
 controls and some graphics. The controls will change their size whenever
 you resize the entire frame and the exact behaviour of the size changes

-is determined using the \helpref{wxLayoutConstraints}{wxlayoutconstraints}
-class. See also the \helpref{overview}{constraintsoverview} and the
-\helpref{wxIndividualLayoutConstraint}{wxindividuallayoutconstraint}
+is determined using the \helpref{wxLayoutConstraints}{wxlayoutconstraints} 
+class. See also the \helpref{overview}{constraintsoverview} and the 
+\helpref{wxIndividualLayoutConstraint}{wxindividuallayoutconstraint} 

 class for further information.
 
 The menu in this sample offers two more tests, one showing how to use
 a \helpref{wxBoxSizer}{wxboxsizer} in a simple dialog and the other one
 class for further information.
 
 The menu in this sample offers two more tests, one showing how to use
 a \helpref{wxBoxSizer}{wxboxsizer} in a simple dialog and the other one

-showing how to use sizers in connection with a \helpref{wxNotebook}{wxnotebook}
-class. See also \helpref{wxNotebookSizer}{wxnotebooksizer} and 
-\helpref{wxSizer}{wxsizer}.
+showing how to use sizers in connection with a \helpref{wxNotebook}{wxnotebook} 
+class. See also \helpref{wxSizer}{wxsizer}.
+

 
 \subsection{Listctrl sample}\label{samplelistctrl}
 
 
 \subsection{Listctrl sample}\label{samplelistctrl}
 

-This sample shows \helpref{wxListCtrl}{wxlistctrl} control. Different modes
+This sample shows the \helpref{wxListCtrl}{wxlistctrl} control. Different modes

 supported by the control (list, icons, small icons, report) may be chosen from
 the menu.
 
 The sample also provides some timings for adding/deleting/sorting a lot of
 supported by the control (list, icons, small icons, report) may be chosen from
 the menu.
 
 The sample also provides some timings for adding/deleting/sorting a lot of

-(several thousands) controls into the control.
+(several thousands) items into the control.
+
+
+
+\subsection{Notebook sample}\label{samplenotebook}
+
+This samples shows two controls at once: although initially it was written to
+demonstrate \helpref{wxNotebook}{wxnotebook} only, it can now be also used
+to see \helpref{wxListbook}{wxlistbook} in action. To switch between the two
+controls you need to manually change \texttt{TEST\_LISTBOOK} definition in the
+file \texttt{notebook.h} and rebuild the sample.
+
+
+
+\subsection{Render sample}\label{samplerender}
+
+This sample shows how to replace the default wxWidgets 
+\helpref{renderer}{wxrenderernative} and also how to write a shared library
+(DLL) implementing a renderer and load and unload it during the run-time.
+
+
+
+\subsection{Rotate sample}\label{samplerotate}
+
+This is a simple example which demonstrates how to rotate an image with
+the \helpref{wxImage::Rotate}{wximagerotate} method. The rotation can
+be done without interpolation (left mouse button) which will be faster,
+or with interpolation (right mouse button) which is slower but gives
+better results.
+
+
+\subsection{Scroll subwindow sample}\label{samplescrollsub}
+
+This sample demonstrates the use of the \helpref{wxScrolledWindow}{wxscrolledwindow} 
+class including placing subwindows into it and drawing simple graphics. It uses the 
+\helpref{SetTargetWindow}{wxscrolledwindowsettargetwindow} method and thus the effect
+of scrolling does not show in the scrolled window itself, but in one of its subwindows.
+
+Additionally, this samples demonstrates how to optimize drawing operations in wxWidgets,
+in particular using the \helpref{wxWindow::IsExposed}{wxwindowisexposed} method with 
+the aim to prevent unnecessary drawing in the window and thus reducing or removing 
+flicker on screen.
+

 
 \subsection{Sockets sample}\label{samplesockets}
 
 The sockets sample demonstrates how to use the communication facilities
 provided by \helpref{wxSocket}{wxsocketbase}. There are two different
 
 \subsection{Sockets sample}\label{samplesockets}
 
 The sockets sample demonstrates how to use the communication facilities
 provided by \helpref{wxSocket}{wxsocketbase}. There are two different

-applications in this sample: a server, which is implemented as a
-\helpref{wxSocketServer}{wxsocketserver} object, and a client, which is
-implemented with \helpref{wxSocketClient}{wxsocketclient}.
-
-The server binds to the local address, using TCP port number 3000, sets
-up an event handler to be notified of incoming connection requests
-({\bf wxSOCKET\_CONNECTION} event), and stands there, waiting (listening
-in the socket parlance) for clients. For each incoming client, a new
-\helpref{wxSocketBase}{wxsocketbase} object is created, which represents
-the connection. Connections are independent from the server that created
-them, so they set up their own event handler, and stay awaiting for
-{\bf wxSOCKET\_INPUT} (incoming data) or {\bf wxSOCKET\_LOST} (connection
-closed at the remote end) events. This event handler is the same for all
-connections, and demonstrates how to determine which socket the event
-is addressed to by using the \helpref{Socket}{wxsocketeventsocket} function
-in the \helpref{wxSocketEvent}{wxsocketevent} class.
+applications in this sample: a server, which is implemented using a 
+\helpref{wxSocketServer}{wxsocketserver} object, and a client, which
+is implemented as a \helpref{wxSocketClient}{wxsocketclient}.
+
+The server binds to the local address, using TCP port number 3000,
+sets up an event handler to be notified of incoming connection requests
+({\bf wxSOCKET\_CONNECTION} events), and sits there, waiting for clients
+({\it listening} in the socket parlance). For each accepted connection,
+a new \helpref{wxSocketBase}{wxsocketbase} object is created. These
+socket objects are independent from the server that created them, so
+they set up their own event handler, and then request to be notified
+of {\bf wxSOCKET\_INPUT} (incoming data) or {\bf wxSOCKET\_LOST} 
+(connection closed at the remote end) events. In the sample, the event
+handler is the same for all connections; to find out which socket the
+event is addressed to, the \helpref{GetSocket}{wxsocketeventgetsocket} function
+is used.

 
 Although it might take some time to get used to the event-oriented
 system upon which wxSocket is built, the benefits are many. See, for
 
 Although it might take some time to get used to the event-oriented
 system upon which wxSocket is built, the benefits are many. See, for


@@ -307,24 +414,33 @@ to specify the address of the server you are going to connect to (the
 TCP port number is hard-coded as 3000). Once connected, a number of
 tests are possible. Currently, three tests are implemented. They show
 how to use the basic IO calls in \helpref{wxSocketBase}{wxsocketbase},
 TCP port number is hard-coded as 3000). Once connected, a number of
 tests are possible. Currently, three tests are implemented. They show
 how to use the basic IO calls in \helpref{wxSocketBase}{wxsocketbase},

-such as \helpref{Read}{wxsocketbaseread}, \helpref{Write}{wxsocketbasewrite},
+such as \helpref{Read}{wxsocketbaseread}, \helpref{Write}{wxsocketbasewrite}, 

 \helpref{ReadMsg}{wxsocketbasereadmsg} and \helpref{WriteMsg}{wxsocketbasewritemsg},
 and how to set up the correct IO flags depending on what you are going to
 \helpref{ReadMsg}{wxsocketbasereadmsg} and \helpref{WriteMsg}{wxsocketbasewritemsg},
 and how to set up the correct IO flags depending on what you are going to

-do. See the comments in the code for more information (a lengthy explanation
-on socket flags is available in \helpref{SetFlags}{wxsocketbasesetflags}).
-Note that because both clients and connection objects in the server set
-up an event handler to catch {\bf wxSOCKET\_LOST} events, each one is
-immediately notified if the other end closes the connection.
+do. See the comments in the code for more information. Note that because
+both clients and connection objects in the server set up an event handler
+to catch {\bf wxSOCKET\_LOST} events, each one is immediately notified
+if the other end closes the connection.

 
 

-The sockets sample is work in progress. Coming soon:
+There is also a URL test which shows how to use
+the \helpref{wxURL}{wxurl} class to fetch data from a given URL.
+
+The sockets sample is work in progress. Some things to do:

 
 \begin{itemize}\itemsep=0pt
 \item More tests for basic socket functionality.
 
 \begin{itemize}\itemsep=0pt
 \item More tests for basic socket functionality.

-\item Tests for the recently added datagram socket classes.
-\item Tests for protocol classes (wxProtocol and its descendants).
+\item More tests for protocol classes (wxProtocol and its descendants).
+\item Tests for the recently added (and still in alpha stage) datagram sockets.

 \item New samples which actually do something useful (suggestions accepted).
 \end{itemize}
 
 \item New samples which actually do something useful (suggestions accepted).
 \end{itemize}
 

+
+\subsection{Sound sample}\label{samplesound}
+
+The {\tt sound} sample shows how to use \helpref{wxSound}{wxsound} for simple
+audio output (e.g. notifications).
+
+

 \subsection{Statbar sample}\label{samplestatbar}
 
 This sample shows how to create and use wxStatusBar. Although most of the
 \subsection{Statbar sample}\label{samplestatbar}
 
 This sample shows how to create and use wxStatusBar. Although most of the


@@ -335,6 +451,7 @@ Here you can see how to recreate the statusbar (with possibly different number
 of fields) and how to use it to show icons/bitmaps and/or put arbitrary
 controls into it.
 
 of fields) and how to use it to show icons/bitmaps and/or put arbitrary
 controls into it.
 

+

 \subsection{Text sample}\label{sampletext}
 
 This sample demonstrates four features: firstly the use and many variants of
 \subsection{Text sample}\label{sampletext}
 
 This sample demonstrates four features: firstly the use and many variants of


@@ -343,19 +460,20 @@ password, ignoring TAB, ignoring ENTER).
 
 Secondly it shows how to intercept a \helpref{wxKeyEvent}{wxkeyevent} in both
 the raw form using the {\tt EVT\_KEY\_UP} and {\tt EVT\_KEY\_DOWN} macros and the
 
 Secondly it shows how to intercept a \helpref{wxKeyEvent}{wxkeyevent} in both
 the raw form using the {\tt EVT\_KEY\_UP} and {\tt EVT\_KEY\_DOWN} macros and the

-higherlevel from using the {\tt EVT\_CHAR} macro. All characters will be logged
+higher level from using the {\tt EVT\_CHAR} macro. All characters will be logged

 in a log window at the bottom of the main window. By pressing some of the function
 in a log window at the bottom of the main window. By pressing some of the function

-keys, you can test some actions in the text ctrl as well as get statitics on the
-text ctrls, which is useful for testing if these statitics actually are correct.
+keys, you can test some actions in the text ctrl as well as get statistics on the
+text ctrls, which is useful for testing if these statistics actually are correct.

 
 

-Thirdly, on platforms which support it, the sample will offer to copy text to the
+Thirdly, on platforms which support it, the sample will offer to copy text to the 

 \helpref{wxClipboard}{wxclipboard} and to paste text from it. The GTK version will
 use the so called PRIMARY SELECTION, which is the pseudo clipboard under X and
 \helpref{wxClipboard}{wxclipboard} and to paste text from it. The GTK version will
 use the so called PRIMARY SELECTION, which is the pseudo clipboard under X and

-best known from pasting text to the XTerm program. 
+best known from pasting text to the XTerm program.

 
 Last not least: some of the text controls have tooltips and the sample also shows
 how tooltips can be centrally disabled and their latency controlled.
 
 
 Last not least: some of the text controls have tooltips and the sample also shows
 how tooltips can be centrally disabled and their latency controlled.
 

+

 \subsection{Thread sample}\label{samplethread}
 
 This sample demonstrates the use of threads in connection with GUI programs.
 \subsection{Thread sample}\label{samplethread}
 
 This sample demonstrates the use of threads in connection with GUI programs.


@@ -365,17 +483,18 @@ is not multi-threading safe, i.e. that it might crash if two threads try to
 access the GUI class simultaneously. One way to prevent that is have a normal
 GUI program in the main thread and some worker threads which work in the 
 background. In order to make communication between the main thread and the
 access the GUI class simultaneously. One way to prevent that is have a normal
 GUI program in the main thread and some worker threads which work in the 
 background. In order to make communication between the main thread and the

-worker threads possible, wxWindows offers the \helpref{wxPostEvent}{wxpostevent}
+worker threads possible, wxWidgets offers the \helpref{wxPostEvent}{wxpostevent} 

 function and this sample makes use of this function.
 
 function and this sample makes use of this function.
 

-The other way to use a so called Mutex (such as those offered in the \helpref{wxMutex}{wxmutex}
+The other way to use a so called Mutex (such as those offered in the \helpref{wxMutex}{wxmutex} 

 class) that prevent threads from accessing the GUI classes as long as any other
 class) that prevent threads from accessing the GUI classes as long as any other

-thread accesses them. For this, wxWindows has the \helpref{wxMutexGuiEnter}{wxmutexguienter}
+thread accesses them. For this, wxWidgets has the \helpref{wxMutexGuiEnter}{wxmutexguienter} 

 and \helpref{wxMutexGuiLeave}{wxmutexguileave} functions, both of which are
 used and tested in the sample as well.
 
 See also \helpref{Multithreading overview}{wxthreadoverview} and \helpref{wxThread}{wxthread}.
 
 and \helpref{wxMutexGuiLeave}{wxmutexguileave} functions, both of which are
 used and tested in the sample as well.
 
 See also \helpref{Multithreading overview}{wxthreadoverview} and \helpref{wxThread}{wxthread}.
 

+

 \subsection{Toolbar sample}\label{sampletoolbar}
 
 The toolbar sample shows the \helpref{wxToolBar}{wxtoolbar} class in action.
 \subsection{Toolbar sample}\label{sampletoolbar}
 
 The toolbar sample shows the \helpref{wxToolBar}{wxtoolbar} class in action.


@@ -387,13 +506,24 @@ The following things are demonstrated:
 and \helpref{wxToolBar::AddControl}{wxtoolbaraddcontrol}: see
 MyApp::InitToolbar in the sample.
 \item Using {\tt EVT\_UPDATE\_UI} handler for automatically enabling/disabling
 and \helpref{wxToolBar::AddControl}{wxtoolbaraddcontrol}: see
 MyApp::InitToolbar in the sample.
 \item Using {\tt EVT\_UPDATE\_UI} handler for automatically enabling/disabling

-toolbar buttons without having to explicitly call EnableTool. This is is done
+toolbar buttons without having to explicitly call EnableTool. This is done

 in MyFrame::OnUpdateCopyAndCut.
 \item Using \helpref{wxToolBar::DeleteTool}{wxtoolbardeletetool} and 
 \helpref{wxToolBar::InsertTool}{wxtoolbarinserttool} to dynamically update the
 toolbar.
 \end{itemize}
 
 in MyFrame::OnUpdateCopyAndCut.
 \item Using \helpref{wxToolBar::DeleteTool}{wxtoolbardeletetool} and 
 \helpref{wxToolBar::InsertTool}{wxtoolbarinserttool} to dynamically update the
 toolbar.
 \end{itemize}
 

+Some buttons in the main toolbar are check buttons, i.e. they stay checked when
+pressed. On the platforms which support it, the sample also adds a combobox
+to the toolbar showing how you can use arbitrary controls and not only buttons
+in it.
+
+If you toggle another toolbar in the sample (using {\tt Ctrl-A}) you will also
+see the radio toolbar buttons in action: the first three buttons form a radio
+group, i.e. checking any of them automatically unchecks the previously
+checked one.
+
+

 \subsection{Treectrl sample}\label{sampletreectrl}
 
 This sample demonstrates using \helpref{wxTreeCtrl}{wxtreectrl} class. Here
 \subsection{Treectrl sample}\label{sampletreectrl}
 
 This sample demonstrates using \helpref{wxTreeCtrl}{wxtreectrl} class. Here


@@ -405,3 +535,28 @@ Adding, inserting and deleting items and branches from the tree as well as
 sorting (in default alphabetical order as well as in custom one) is
 demonstrated here as well - try the corresponding menu entries.
 
 sorting (in default alphabetical order as well as in custom one) is
 demonstrated here as well - try the corresponding menu entries.
 

+
+\subsection{Wizard sample}\label{samplewizard}
+
+This sample shows so-called wizard dialog (implemented using 
+\helpref{wxWizard}{wxwizard} and related classes). It shows almost all
+features supported:
+
+\begin{itemize}\itemsep=0pt
+\item Using bitmaps with the wizard and changing them depending on the page
+shown (notice that wxValidationPage in the sample has a different image from
+the other ones)
+\item Using \helpref{TransferDataFromWindow}{wxwindowtransferdatafromwindow} 
+to verify that the data entered is correct before passing to the next page
+(done in wxValidationPage which forces the user to check a checkbox before
+continuing).
+\item Using more elaborated techniques to allow returning to the previous
+page, but not continuing to the next one or vice versa (in wxRadioboxPage)
+\item This (wxRadioboxPage) page also shows how the page may process the {\tt
+Cancel} button itself instead of relying on the wizard parent to do it.
+\item Normally, the order of the pages in the wizard is known at compile-time,
+but sometimes it depends on the user choices: wxCheckboxPage shows how to
+dynamically decide which page to display next (see also 
+\helpref{wxWizardPage}{wxwizardpage})
+\end{itemize}
+