X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/528e0faf1c50e475528de3711061ce9d5f6f8f7d..afbe906abdf9aa69a56571b8b20b095351dd8f34:/docs/latex/wx/tsamples.tex diff --git a/docs/latex/wx/tsamples.tex b/docs/latex/wx/tsamples.tex index 1fa01ecf41..1c449aafac 100644 --- a/docs/latex/wx/tsamples.tex +++ b/docs/latex/wx/tsamples.tex @@ -6,7 +6,7 @@ %% Created: 02.11.99 %% RCS-ID: $Id$ %% Copyright: (c) wxWindows team -%% Licence: wxWindows licence +%% License: wxWindows license %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % NB: please keep the subsections in alphabetic order! @@ -61,8 +61,8 @@ menu) and also how to process the notifications from it. 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 once (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. @@ -70,7 +70,7 @@ demonstrating a simple dynamic layout. \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 +indenpedent 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 @@ -83,9 +83,9 @@ wxWindows. The sample tests their basic functionality, events, placement, 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 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 -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: @@ -111,60 +111,26 @@ The various controls tested are listed here: \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. +classes written by Remstar Intl. Obviously, this sample requires a +database with ODBC support to be correctly installed on your system. \subsection{Dialogs sample}\label{sampledialogs} 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}. +dialogs are described 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{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). +\subsection{Dialup sample}\label{sampledialup} -\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. +This sample shows \helpref{wxDialUpManager}{wxdialupmanager} +class. It displays in the status bar the information gathered through itsi +nterface: in particular, the current connection status (online or offline) and +whether the connection is permanent (in which case a string `LAN' appears in +the thrid status bar field - but note that you may have 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. - -\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{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. +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{DnD sample}\label{samplednd} @@ -204,6 +170,48 @@ 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. +\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 wxWindows or programs where +forms or similar datagrams can be created by the uses. + +See also the \helpref{event sample}{sampleevent} + +\subsection{Event sample}\label{sampleevent} + +The event sample demonstrates various features of the wxWindows 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{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 wxWindows) on the computer and shows all characters of the +chosen font as well. + \subsection{Grid sample}\label{samplegrid} TODO. @@ -226,7 +234,7 @@ the library to work with unsupported tags. handler (ships with wxWindows) allows you to access HTML pages stored in 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. {\bf Printing} explains use of \helpref{wxHtmlEasyPrinting}{wxhtmleasyprinting} @@ -234,7 +242,7 @@ 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 while {\it Helpview} is simple tool that only pops up help window and displays help books given at command line. @@ -244,7 +252,7 @@ displays help books given at command line. 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 +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 and wxBitmap as well as loading and save PNG files are tested. @@ -283,6 +291,26 @@ the menu. The sample also provides some timings for adding/deleting/sorting a lot of (several thousands) controls into the control. +\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 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. + \subsection{Sockets sample}\label{samplesockets} The sockets sample demonstrates how to use the communication facilities @@ -301,8 +329,8 @@ 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. +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 @@ -323,8 +351,8 @@ 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. -There is also an URL test which shows how to use the \helpref{wxURL}{wxurl} -class to fetch data from a given URL. +There is also an 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: @@ -353,15 +381,15 @@ 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 -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 -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 stastitics actually are correct. 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 -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. @@ -397,7 +425,7 @@ 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 -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 @@ -415,3 +443,27 @@ 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. +\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 {\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} +