X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b4e87ec32c0870a8dfa377199b2616d8eac9647a..3b415ba4cdee694574d7235ff0b8341f105cddfe:/docs/latex/wx/tsamples.tex diff --git a/docs/latex/wx/tsamples.tex b/docs/latex/wx/tsamples.tex index dc27d24dfc..1fa01ecf41 100644 --- a/docs/latex/wx/tsamples.tex +++ b/docs/latex/wx/tsamples.tex @@ -140,7 +140,7 @@ until the program terminates) or asynchronously (notification will come later). \subsection{Scroll subwindow sample}\label{samplescrollsub} -This sample demonstrates the use of the \helpref{wxScrolledWindow}{wxscrolledwindow} +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. @@ -213,7 +213,7 @@ TODO. Eight HTML samples (you can find them in directory {\tt samples/html}) cover all features of HTML sub-library. -{\bf Test} demonstrates how to create \helpref{wxHtmlWindow}{wxhtmlwindow} +{\bf Test} demonstrates how to create \helpref{wxHtmlWindow}{wxhtmlwindow} and also shows most of supported HTML tags. {\bf Widget} shows how you can embed ordinary controls or windows within @@ -229,7 +229,7 @@ in compressed archive as if they were ordinary files. {\bf Virtual} is yet another VFS 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} +{\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. @@ -263,14 +263,14 @@ The layout sample demonstrates the two different layout systems offered by wxWindows. 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 -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 -showing how to use sizers in connection with a \helpref{wxNotebook}{wxnotebook} +showing how to use sizers in connection with a \helpref{wxNotebook}{wxnotebook} class. See also \helpref{wxNotebookSizer}{wxnotebooksizer} and \helpref{wxSizer}{wxsizer}. @@ -287,22 +287,22 @@ The sample also provides some timings for adding/deleting/sorting a lot of 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 stands 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 @@ -315,24 +315,23 @@ 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}, -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 -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. -There is also an URL test which demonstrates how to use the \helpref{wxURL}{wxurl} -class. +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. Coming soon: +The sockets sample is work in progress. Some things to do: \begin{itemize}\itemsep=0pt \item More tests for basic socket functionality. \item More tests for protocol classes (wxProtocol and its descendants). -\item Tests for the recently added datagram socket classes. +\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} @@ -359,7 +358,7 @@ in a log window at the bottom of the main window. By pressing some of the functi 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. -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 best known from pasting text to the XTerm program. @@ -376,12 +375,12 @@ 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 -worker threads possible, wxWindows offers the \helpref{wxPostEvent}{wxpostevent} +worker threads possible, wxWindows offers the \helpref{wxPostEvent}{wxpostevent} 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 -thread accesses them. For this, wxWindows has the \helpref{wxMutexGuiEnter}{wxmutexguienter} +thread accesses them. For this, wxWindows has the \helpref{wxMutexGuiEnter}{wxmutexguienter} and \helpref{wxMutexGuiLeave}{wxmutexguileave} functions, both of which are used and tested in the sample as well.