X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/528e0faf1c50e475528de3711061ce9d5f6f8f7d..3321fc55fcf59f8f2da668a0845e2a547681d630:/docs/latex/wx/function.tex diff --git a/docs/latex/wx/function.tex b/docs/latex/wx/function.tex index 5f3f54b8ee..fae00d9f2d 100644 --- a/docs/latex/wx/function.tex +++ b/docs/latex/wx/function.tex @@ -2,7 +2,51 @@ \setheader{{\it CHAPTER \thechapter}}{}{}{}{}{{\it CHAPTER \thechapter}}% \setfooter{\thepage}{}{}{}{}{\thepage} -The functions defined in wxWindows are described here. +The functions and macros defined in wxWindows are described here. + +\section{Version macros}\label{versionfunctions} + +The following constants are defined in wxWindows: + +\begin{itemize}\itemsep=0pt +\item {\tt wxMAJOR\_VERSION} is the major version of wxWindows +\item {\tt wxMINOR\_VERSION} is the minor version of wxWindows +\item {\tt wxRELASE\_NUMBER} is the release number +\end{itemize} + +For example, the values or these constants for wxWindows 2.1.15 are 2, 1 and +15. + +Additionally, {\tt wxVERSION\_STRING} is a user-readable string containing +the full wxWindows version and {\tt wxVERSION\_NUMBER} is a combination of the +three version numbers above: for 2.1.15, it is 2115 and it is 2200 for +wxWindows 2.2. + +\wxheading{Include files} + + or + +\membersection{wxCHECK\_VERSION}\label{wxcheckversion} + +\func{bool}{wxCHECK\_VERSION}{\param{}{major, minor, release}} + +This is a macro which evaluates to true if the current wxWindows version is at +least major.minor.release. + +For example, to test if the program is compiled with wxWindows 2.2 or higher, +the following can be done: + +\begin{verbatim} + wxString s; +#if wxCHECK_VERSION(2, 2, 0) + if ( s.StartsWith("foo") ) +#else // replacement code for old version + if ( strncmp(s, "foo", 3) == 0 ) +#endif + { + ... + } +\end{verbatim} \section{Thread functions}\label{threadfunctions} @@ -21,8 +65,8 @@ The functions defined in wxWindows are described here. This function must be called when any thread other than the main GUI thread wants to get access to the GUI library. This function will block the execution of the calling thread until the main thread (or any other thread holding the -main GUI lock) leaves the GUI library and no other other thread will enter -the GUI library until the calling thread calls \helpref{::wxMutexGuiLeave()}{wxmutexguileave}. +main GUI lock) leaves the GUI library and no other thread will enter the GUI +library until the calling thread calls \helpref{::wxMutexGuiLeave()}{wxmutexguileave}. Typically, these functions are used like this: @@ -45,7 +89,7 @@ Note that under GTK, no creation of top-level windows is allowed in any thread but the main one. This function is only defined on platforms which support preemptive -threads. +threads. \membersection{::wxMutexGuiLeave}\label{wxmutexguileave} @@ -86,13 +130,12 @@ slashes. Returns TRUE if the file exists. It also returns TRUE if the file is a directory. -\membersection{::wxFileModificationTime} +\membersection{::wxFileModificationTime}\label{wxfilemodificationtime} \func{time\_t}{wxFileModificationTime}{\param{const wxString\& }{filename}} Returns time of last modification of given file. - \membersection{::wxFileNameFromPath} \func{wxString}{wxFileNameFromPath}{\param{const wxString\& }{path}} @@ -271,7 +314,7 @@ wxSplitPath() will correctly handle filenames with both DOS and Unix path separa Windows, however it will not consider backslashes as path separators under Unix (where backslash is a valid character in a filename). -On entry, {\it fullname} should be non NULL (it may be empty though). +On entry, {\it fullname} should be non-NULL (it may be empty though). On return, {\it path} contains the file path (without the trailing separator), {\it name} contains the file name and {\it ext} contains the file extension without leading dot. All @@ -587,6 +630,45 @@ is valid) if the dialog was cancelled. +\membersection{::wxGetMultipleChoices}\label{wxgetmultiplechoices} + +\func{size\_t}{wxGetMultipleChoices}{\\ + \param{wxArrayInt\& }{selections},\\ + \param{const wxString\& }{message},\\ + \param{const wxString\& }{caption},\\ + \param{const wxArrayString\& }{aChoices},\\ + \param{wxWindow *}{parent = NULL},\\ + \param{int}{ x = -1}, \param{int}{ y = -1},\\ + \param{bool}{ centre = TRUE},\\ + \param{int }{width=150}, \param{int }{height=200}} + +\func{size\_t}{wxGetMultipleChoices}{\\ + \param{wxArrayInt\& }{selections},\\ + \param{const wxString\& }{message},\\ + \param{const wxString\& }{caption},\\ + \param{int}{ n}, \param{const wxString\& }{choices[]},\\ + \param{wxWindow *}{parent = NULL},\\ + \param{int}{ x = -1}, \param{int}{ y = -1},\\ + \param{bool}{ centre = TRUE},\\ + \param{int }{width=150}, \param{int }{height=200}} + +Pops up a dialog box containing a message, OK/Cancel buttons and a +multiple-selection listbox. The user may choose an arbitrary (including 0) +number of items in the listbox whose indices will be returned in +{\it selection} array. The initial contents of this array will be used to +select the items when the dialog is shown. + +You may pass the list of strings to choose from either using {\it choices} +which is an array of {\it n} strings for the listbox or by using a single +{\it aChoices} parameter of type \helpref{wxArrayString}{wxarraystring}. + +If {\it centre} is TRUE, the message text (which may include new line +characters) is centred; if FALSE, the message is left-justified. + +\wxheading{Include files} + + + \membersection{::wxGetNumberFromUser}\label{wxgetnumberfromuser} \func{long}{wxGetNumberFromUser}{ @@ -633,7 +715,7 @@ to be used for entering passwords as the function name implies. \param{const wxString\& }{default\_value = ``"}, \param{wxWindow *}{parent = NULL},\\ \param{int}{ x = -1}, \param{int}{ y = -1}, \param{bool}{ centre = TRUE}} -Pop up a dialog box with title set to {\it caption}, message {\it message}, and a +Pop up a dialog box with title set to {\it caption}, {\it message}, and a \rtfsp{\it default\_value}. The user may type in text and press OK to return this text, or press Cancel to return the empty string. @@ -672,18 +754,34 @@ is centred; if FALSE, the message is left-justified. \membersection{::wxGetSingleChoice}\label{wxgetsinglechoice} -\func{wxString}{wxGetSingleChoice}{\param{const wxString\& }{message}, \param{const wxString\& }{caption}, \param{int}{ n}, \param{const wxString\& }{choices[]},\\ - \param{wxWindow *}{parent = NULL}, \param{int}{ x = -1}, \param{int}{ y = -1},\\ - \param{bool}{ centre = TRUE}, \param{int }{width=150}, \param{int }{height=200}} +\func{wxString}{wxGetSingleChoice}{\param{const wxString\& }{message},\\ + \param{const wxString\& }{caption},\\ + \param{const wxArrayString\& }{aChoices},\\ + \param{wxWindow *}{parent = NULL},\\ + \param{int}{ x = -1}, \param{int}{ y = -1},\\ + \param{bool}{ centre = TRUE},\\ + \param{int }{width=150}, \param{int }{height=200}} -Pops up a dialog box containing a message, OK/Cancel buttons and a single-selection -listbox. The user may choose an item and press OK to return a string or -Cancel to return the empty string. +\func{wxString}{wxGetSingleChoice}{\param{const wxString\& }{message},\\ + \param{const wxString\& }{caption},\\ + \param{int}{ n}, \param{const wxString\& }{choices[]},\\ + \param{wxWindow *}{parent = NULL},\\ + \param{int}{ x = -1}, \param{int}{ y = -1},\\ + \param{bool}{ centre = TRUE},\\ + \param{int }{width=150}, \param{int }{height=200}} -{\it choices} is an array of {\it n} strings for the listbox. +Pops up a dialog box containing a message, OK/Cancel buttons and a +single-selection listbox. The user may choose an item and press OK to return a +string or Cancel to return the empty string. Use +\helpref{wxGetSingleChoiceIndex}{wxgetsinglechoiceindex} if empty string is a +valid choice and if you want to be able to detect pressing Cancel reliably. -If {\it centre} is TRUE, the message text (which may include new line characters) -is centred; if FALSE, the message is left-justified. +You may pass the list of strings to choose from either using {\it choices} +which is an array of {\it n} strings for the listbox or by using a single +{\it aChoices} parameter of type \helpref{wxArrayString}{wxarraystring}. + +If {\it centre} is TRUE, the message text (which may include new line +characters) is centred; if FALSE, the message is left-justified. \wxheading{Include files} @@ -691,12 +789,20 @@ is centred; if FALSE, the message is left-justified. \membersection{::wxGetSingleChoiceIndex}\label{wxgetsinglechoiceindex} -\func{int}{wxGetSingleChoiceIndex}{\param{const wxString\& }{message}, \param{const wxString\& }{caption}, \param{int}{ n}, \param{const wxString\& }{choices[]},\\ +\func{int}{wxGetSingleChoiceIndex}{\param{const wxString\& }{message},\\ + \param{const wxString\& }{caption},\\ + \param{const wxArrayString\& }{aChoices},\\ \param{wxWindow *}{parent = NULL}, \param{int}{ x = -1}, \param{int}{ y = -1},\\ \param{bool}{ centre = TRUE}, \param{int }{width=150}, \param{int }{height=200}} -As {\bf wxGetSingleChoice} but returns the index representing the selected string. -If the user pressed cancel, -1 is returned. +\func{int}{wxGetSingleChoiceIndex}{\param{const wxString\& }{message},\\ + \param{const wxString\& }{caption},\\ + \param{int}{ n}, \param{const wxString\& }{choices[]},\\ + \param{wxWindow *}{parent = NULL}, \param{int}{ x = -1}, \param{int}{ y = -1},\\ + \param{bool}{ centre = TRUE}, \param{int }{width=150}, \param{int }{height=200}} + +As {\bf wxGetSingleChoice} but returns the index representing the selected +string. If the user pressed cancel, -1 is returned. \wxheading{Include files} @@ -704,12 +810,26 @@ If the user pressed cancel, -1 is returned. \membersection{::wxGetSingleChoiceData}\label{wxgetsinglechoicedata} -\func{wxString}{wxGetSingleChoiceData}{\param{const wxString\& }{message}, \param{const wxString\& }{caption}, \param{int}{ n}, \param{const wxString\& }{choices[]},\\ - \param{const wxString\& }{client\_data[]}, \param{wxWindow *}{parent = NULL}, \param{int}{ x = -1},\\ - \param{int}{ y = -1}, \param{bool}{ centre = TRUE}, \param{int }{width=150}, \param{int }{height=200}} +\func{wxString}{wxGetSingleChoiceData}{\param{const wxString\& }{message},\\ + \param{const wxString\& }{caption},\\ + \param{const wxArrayString\& }{aChoices},\\ + \param{const wxString\& }{client\_data[]},\\ + \param{wxWindow *}{parent = NULL},\\ + \param{int}{ x = -1}, \param{int}{ y = -1},\\ + \param{bool}{ centre = TRUE}, \param{int }{width=150}, \param{int }{height=200}} + +\func{wxString}{wxGetSingleChoiceData}{\param{const wxString\& }{message},\\ + \param{const wxString\& }{caption},\\ + \param{int}{ n}, \param{const wxString\& }{choices[]},\\ + \param{const wxString\& }{client\_data[]},\\ + \param{wxWindow *}{parent = NULL},\\ + \param{int}{ x = -1}, \param{int}{ y = -1},\\ + \param{bool}{ centre = TRUE}, \param{int }{width=150}, \param{int }{height=200}} As {\bf wxGetSingleChoice} but takes an array of client data pointers -corresponding to the strings, and returns one of these pointers. +corresponding to the strings, and returns one of these pointers or NULL if +Cancel was pressed. The {\it client\_data} array must have the same number of +elements as {\it choices} or {\it aChoices}! \wxheading{Include files} @@ -806,6 +926,22 @@ Returns TRUE if the display is colour, FALSE otherwise. Returns the depth of the display (a value of 1 denotes a monochrome display). +\membersection{::wxDisplaySize} + +\func{void}{wxDisplaySize}{\param{int *}{width}, \param{int *}{height}} + +\func{wxSize}{wxGetDisplaySize}{\void} + +Returns the display size in pixels. + +\membersection{::wxDisplaySizeMM} + +\func{void}{wxDisplaySizeMM}{\param{int *}{width}, \param{int *}{height}} + +\func{wxSize}{wxGetDisplaySizeMM}{\void} + +Returns the display size in millimeters. + \membersection{::wxMakeMetafilePlaceable}\label{wxmakemetafileplaceable} \func{bool}{wxMakeMetafilePlaceable}{\param{const wxString\& }{filename}, \param{int }{minX}, \param{int }{minY}, @@ -1057,6 +1193,21 @@ The clipboard must have previously been opened for this call to succeed. \section{Miscellaneous functions}\label{miscellany} +\membersection{::wxDROP\_ICON}\label{wxdropicon} + +\func{wxIconOrCursor}{wxDROP\_ICON}{\param{const char *}{name}} + +This macro creates either a cursor (MSW) or an icon (elsewhere) with the given +name. Under MSW, the cursor is loaded from the resource file and the icon is +loaded from XPM file under other platforms. + +This macro should be used with +\helpref{wxDropSource constructor}{wxdropsourcewxdropsource}. + +\wxheading{Include files} + + + \membersection{::wxNewId} \func{long}{wxNewId}{\void} @@ -1261,6 +1412,8 @@ wxWindows errors. See also \helpref{wxFatalError}{wxfatalerror}. \func{long}{wxExecute}{\param{const wxString\& }{command}, \param{wxArrayString\& }{output}} +\func{long}{wxExecute}{\param{const wxString\& }{command}, \param{wxArrayString\& }{output}, \param{wxArrayString\& }{errors}} + Executes another program in Unix or Windows. The first form takes a command string, such as {\tt "emacs file.txt"}. @@ -1268,8 +1421,8 @@ The first form takes a command string, such as {\tt "emacs file.txt"}. The second form takes an array of values: a command, any number of arguments, terminated by NULL. -The semantics of the third version is different from the first two and is -described in more details below. +The semantics of the third and fourth versions is different from the first two +and is described in more details below. If {\it sync} is FALSE (the default), flow of control immediately returns. If TRUE, the current application waits until the other program has terminated. @@ -1286,13 +1439,14 @@ For asynchronous execution, however, the return value is the process id and zero value indicates that the command could not be executed. If callback isn't NULL and if execution is asynchronous (note that callback -parameter can not be non NULL for synchronous execution), +parameter can not be non-NULL for synchronous execution), \helpref{wxProcess::OnTerminate}{wxprocessonterminate} will be called when the process finishes. Finally, you may use the third overloaded version of this function to execute a process (always synchronously) and capture its output in the array -{\it output}. +{\it output}. The fourth version adds the possibility to additionally capture +the messages from standard error output in the {\it errors} array. See also \helpref{wxShell}{wxshell}, \helpref{wxProcess}{wxprocess}, \helpref{Exec sample}{sampleexec}. @@ -1336,7 +1490,7 @@ Find a menu item identifier associated with the given frame's menu bar. -\membersection{::wxFindWindowByLabel} +\membersection{::wxFindWindowByLabel}\label{wxfindwindowbylabel} \func{wxWindow *}{wxFindWindowByLabel}{\param{const wxString\& }{label}, \param{wxWindow *}{parent=NULL}} @@ -1364,6 +1518,20 @@ If no such named window is found, {\bf wxFindWindowByLabel} is called. +\membersection{::wxFindWindowAtPoint}\label{wxfindwindowatpoint} + +\func{wxWindow *}{wxFindWindowAtPoint}{\param{const wxPoint\& }{pt}} + +Find the deepest window at the given mouse position in screen coordinates, +returning the window if found, or NULL if not. + +\membersection{::wxFindWindowAtPointer}\label{wxfindwindowatpointer} + +\func{wxWindow *}{wxFindWindowAtPointer}{\param{wxPoint\& }{pt}} + +Find the deepest window at the mouse pointer position, returning the window +and current pointer position in screen coordinates. + \membersection{::wxGetActiveWindow}\label{wxgetactivewindow} \func{wxWindow *}{wxGetActiveWindow}{\void} @@ -1398,36 +1566,21 @@ Return the (current) user's home directory. -\membersection{::wxGetElapsedTime}\label{wxgetelapsedtime} - -\func{long}{wxGetElapsedTime}{\param{bool}{ resetTimer = TRUE}} - -Gets the time in milliseconds since the last \helpref{::wxStartTimer}{wxstarttimer}. - -If {\it resetTimer} is TRUE (the default), the timer is reset to zero -by this call. - -See also \helpref{wxTimer}{wxtimer}. - -\wxheading{Include files} - - - \membersection{::wxGetFreeMemory}\label{wxgetfreememory} \func{long}{wxGetFreeMemory}{\void} -Returns the amount of free memory in Kbytes under environments which -support it, and -1 if not supported. Currently, returns a positive value -under Windows, and -1 under Unix. +Returns the amount of free memory in bytes under environments which +support it, and -1 if not supported. Currently, it is supported only +under Windows, Linux and Solaris. \wxheading{Include files} -\membersection{::wxGetMousePosition} +\membersection{::wxGetMousePosition}\label{wxgetmouseposition} -\func{void}{wxGetMousePosition}{\param{int* }{x}, \param{int* }{y}} +\func{wxPoint}{wxGetMousePosition}{\void} Returns the mouse position in screen coordinates. @@ -1440,7 +1593,7 @@ Returns the mouse position in screen coordinates. \func{wxString}{wxGetOsDescription}{\void} Returns the string containing the description of the current platform in a -user-readable form. For example, this function may return strings like +user-readable form. For example, this function may return strings like {\tt Windows NT Version 4.0} or {\tt Linux 2.2.2 i386}. \wxheading{See also} @@ -1458,7 +1611,7 @@ user-readable form. For example, this function may return strings like Gets operating system version information. \begin{twocollist}\itemsep=0pt -\twocolitemruled{Platform}{Return tyes} +\twocolitemruled{Platform}{Return types} \twocolitem{Macintosh}{Return value is wxMACINTOSH.} \twocolitem{GTK}{Return value is wxGTK, For GTK 1.0, {\it major} is 1, {\it minor} is 0. } \twocolitem{Motif}{Return value is wxMOTIF\_X, {\it major} is X version, {\it minor} is X revision.} @@ -1549,6 +1702,18 @@ Under Windows, this returns ``unknown''. +\membersection{::wxHandleFatalExceptions}\label{wxhandlefatalexceptions} + +\func{bool}{wxHandleFatalExceptions}{\param{bool}{ doIt = TRUE}} + +If {\it doIt} is TRUE, the fatal exceptions (also known as general protection +faults under Windows or segmentation violations in the Unix world) will be +caught and passed to \helpref{wxApp::OnFatalException}{wxapponfatalexception}. +By default, i.e. before this function is called, they will be handled in the +normal way which usually just means that the application will be terminated. +Calling wxHandleFatalExceptions() with {\it doIt} equal to FALSE will restore +this default behaviour. + \membersection{::wxKill}\label{wxkill} \func{int}{wxKill}{\param{long}{ pid}, \param{int}{ sig}} @@ -1730,18 +1895,6 @@ as a keyboard shortkey in Windows and Motif) and $\backslash$t (tab in Windows). -\membersection{::wxStartTimer}\label{wxstarttimer} - -\func{void}{wxStartTimer}{\void} - -Starts a stopwatch; use \helpref{::wxGetElapsedTime}{wxgetelapsedtime} to get the elapsed time. - -See also \helpref{wxTimer}{wxtimer}. - -\wxheading{Include files} - - - \membersection{::wxToLower}\label{wxtolower} \func{char}{wxToLower}{\param{char }{ch}} @@ -1851,7 +2004,7 @@ function. Note that wxYield will not flush the message logs. This is intentional as calling wxYield is usually done to quickly update the screen and popping up a -message box dialog may be undesirable. If you do with to flush the log +message box dialog may be undesirable. If you do wish to flush the log messages immediately (otherwise it will be done during the next idle loop iteration), call \helpref{wxLog::FlushActive}{wxlogflushactive}. @@ -1865,7 +2018,7 @@ iteration), call \helpref{wxLog::FlushActive}{wxlogflushactive}. This functions wakes up the (internal and platform dependent) idle system, i.e. it will force the system to send an idle event even if the system currently {\it is} -idle and thus would not send any idle event until after some other event would get + idle and thus would not send any idle event until after some other event would get sent. This is also useful for sending events between two threads and is used by the corresponding functions \helpref{::wxPostEvent}{wxpostevent} and \helpref{wxEvtHandler::AddPendingEvent}{wxevthandleraddpendingevent}. @@ -1997,7 +2150,7 @@ dynamically. The same as DECLARE\_ABSTRACT\_CLASS. \func{}{DECLARE\_DYNAMIC\_CLASS}{className} Used inside a class declaration to declare that the objects of this class should be dynamically -createable from run-time type information. +creatable from run-time type information. Example: @@ -2151,6 +2304,18 @@ avoid using {\tt \#ifdef}s when creating bitmaps. +\membersection{wxConstCast}\label{wxconstcast} + +\func{}{wxConstCast}{ptr, classname} + +This macro expands into {\tt const\_cast(ptr)} if the compiler +supports {\it const\_cast} or into an old, C-style cast, otherwise. + +\wxheading{See also} + +\helpref{wxDynamicCast}{wxdynamiccast}\\ +\helpref{wxStaticCast}{wxstaticcast} + \membersection{WXDEBUG\_NEW}\label{debugnew} \func{}{WXDEBUG\_NEW}{arg} @@ -2174,7 +2339,7 @@ In non-debug mode, this is defined as the normal new operator. This macro returns the pointer {\it ptr} cast to the type {\it classname *} if the pointer is of this type (the check is done during the run-time) or NULL -otherwise. Usage of this macro is prefered over obsoleted wxObject::IsKindOf() +otherwise. Usage of this macro is preferred over obsoleted wxObject::IsKindOf() function. The {\it ptr} argument may be NULL, in which case NULL will be returned. @@ -2190,13 +2355,15 @@ Example: } else { - // no window has the focus or it's not a text control + // no window has the focus or it is not a text control } \end{verbatim} \wxheading{See also} -\helpref{RTTI overview}{runtimeclassoverview} +\helpref{RTTI overview}{runtimeclassoverview}\\ +\helpref{wxConstCast}{wxconstcast}\\ +\helpref{wxStatiicCast}{wxstaticcast} \membersection{wxICON}\label{wxiconmacro} @@ -2215,6 +2382,17 @@ avoid using {\tt \#ifdef}s when creating icons. +\membersection{wxStaticCast}\label{wxstaticcast} + +\func{}{wxStaticCast}{ptr, classname} + +This macro checks that the cast is valid in debug mode (an assert failure will +result if {\tt wxDynamicCast(ptr, classname) == NULL}) and then returns the +result of executing an equivalent of {\tt static\_cast(ptr)}. + +\helpref{wxDynamicCast}{wxdynamiccast}\\ +\helpref{wxConstCast}{wxconstcast} + \membersection{WXTRACE}\label{trace} \wxheading{Include files} @@ -2257,15 +2435,13 @@ files and loading user interface elements from resources. \normalbox{Please note that this use of the word `resource' is different from that used when talking about initialisation file resource reading and writing, using such functions -as wxWriteResource and wxGetResource. It's just an unfortunate clash of terminology.} +as wxWriteResource and wxGetResource. It is just an unfortunate clash of terminology.} \helponly{For an overview of the wxWindows resource mechanism, see \helpref{the wxWindows resource system}{resourceformats}.} See also \helpref{wxWindow::LoadFromResource}{wxwindowloadfromresource} for loading from resource data. -{\bf Warning:} this needs updating for wxWindows 2. - \membersection{::wxResourceAddIdentifier}\label{wxresourceaddidentifier} \func{bool}{wxResourceAddIdentifier}{\param{const wxString\& }{name}, \param{int }{value}} @@ -2289,15 +2465,15 @@ wxWindows bitmap resource identifier. For example, if the .WXR file contains the following: \begin{verbatim} -static const wxString\& aiai_resource = "bitmap(name = 'aiai_resource',\ - bitmap = ['aiai', wxBITMAP_TYPE_BMP_RESOURCE, 'WINDOWS'],\ - bitmap = ['aiai.xpm', wxBITMAP_TYPE_XPM, 'X'])."; +static const wxString\& project_resource = "bitmap(name = 'project_resource',\ + bitmap = ['project', wxBITMAP_TYPE_BMP_RESOURCE, 'WINDOWS'],\ + bitmap = ['project.xpm', wxBITMAP_TYPE_XPM, 'X'])."; \end{verbatim} then this function can be called as follows: \begin{verbatim} - wxBitmap *bitmap = wxResourceCreateBitmap("aiai_resource"); + wxBitmap *bitmap = wxResourceCreateBitmap("project_resource"); \end{verbatim} \membersection{::wxResourceCreateIcon} @@ -2309,15 +2485,15 @@ wxWindows icon resource identifier. For example, if the .WXR file contains the following: \begin{verbatim} -static const wxString\& aiai_resource = "icon(name = 'aiai_resource',\ - icon = ['aiai', wxBITMAP_TYPE_ICO_RESOURCE, 'WINDOWS'],\ - icon = ['aiai', wxBITMAP_TYPE_XBM_DATA, 'X'])."; +static const wxString\& project_resource = "icon(name = 'project_resource',\ + icon = ['project', wxBITMAP_TYPE_ICO_RESOURCE, 'WINDOWS'],\ + icon = ['project', wxBITMAP_TYPE_XBM_DATA, 'X'])."; \end{verbatim} then this function can be called as follows: \begin{verbatim} - wxIcon *icon = wxResourceCreateIcon("aiai_resource"); + wxIcon *icon = wxResourceCreateIcon("project_resource"); \end{verbatim} \membersection{::wxResourceCreateMenuBar} @@ -2376,9 +2552,9 @@ dialog(name = 'dialog1', title = 'Test dialog box', x = 312, y = 234, width = 400, height = 300, modal = 0, - control = [wxGroupBox, 'Groupbox', '0', 'group6', 5, 4, 380, 262, + control = [1000, wxStaticBox, 'Groupbox', '0', 'group6', 5, 4, 380, 262, [11, 'wxSWISS', 'wxNORMAL', 'wxNORMAL', 0]], - control = [wxMultiText, 'Multitext', 'wxVERTICAL_LABEL', 'multitext3', + control = [1001, wxTextCtrl, '', 'wxTE_MULTILINE', 'text3', 156, 126, 200, 70, 'wxWindows is a multi-platform, GUI toolkit.', [11, 'wxSWISS', 'wxNORMAL', 'wxNORMAL', 0], [11, 'wxSWISS', 'wxNORMAL', 'wxNORMAL', 0]]). @@ -2404,7 +2580,7 @@ wxWindows resource data. \membersection{::wxResourceParseString}\label{wxresourceparsestring} -\func{bool}{wxResourceParseString}{\param{const wxString\& }{resource}, \param{wxResourceTable *}{table = NULL}} +\func{bool}{wxResourceParseString}{\param{char*}{ s}, \param{wxResourceTable *}{table = NULL}} Parses a string containing one or more wxWindows resource objects. If the resource objects are global static data that are included into the @@ -2414,17 +2590,17 @@ containing the resource data, to make it known to wxWindows. {\it resource} should contain data with the following form: \begin{verbatim} -static const wxString\& dialog1 = "dialog(name = 'dialog1',\ - style = 'wxCAPTION | wxDEFAULT_DIALOG_STYLE',\ - title = 'Test dialog box',\ - x = 312, y = 234, width = 400, height = 300,\ - modal = 0,\ - control = [wxGroupBox, 'Groupbox', '0', 'group6', 5, 4, 380, 262,\ - [11, 'wxSWISS', 'wxNORMAL', 'wxNORMAL', 0]],\ - control = [wxMultiText, 'Multitext', 'wxVERTICAL_LABEL', 'multitext3',\ - 156, 126, 200, 70, 'wxWindows is a multi-platform, GUI toolkit.',\ - [11, 'wxSWISS', 'wxNORMAL', 'wxNORMAL', 0],\ - [11, 'wxSWISS', 'wxNORMAL', 'wxNORMAL', 0]])."; +dialog(name = 'dialog1', + style = 'wxCAPTION | wxDEFAULT_DIALOG_STYLE', + title = 'Test dialog box', + x = 312, y = 234, width = 400, height = 300, + modal = 0, + control = [1000, wxStaticBox, 'Groupbox', '0', 'group6', 5, 4, 380, 262, + [11, 'wxSWISS', 'wxNORMAL', 'wxNORMAL', 0]], + control = [1001, wxTextCtrl, '', 'wxTE_MULTILINE', 'text3', + 156, 126, 200, 70, 'wxWindows is a multi-platform, GUI toolkit.', + [11, 'wxSWISS', 'wxNORMAL', 'wxNORMAL', 0], + [11, 'wxSWISS', 'wxNORMAL', 'wxNORMAL', 0]]). \end{verbatim} This function will typically be used after calling \helpref{wxLoadUserResource}{wxloaduserresource} to @@ -2432,10 +2608,10 @@ load an entire {\tt .wxr file} into a string. \membersection{::wxResourceRegisterBitmapData}\label{registerbitmapdata} -\func{bool}{wxResourceRegisterBitmapData}{\param{const wxString\& }{name}, \param{const wxString\& }{xbm\_data}, \param{int }{width}, +\func{bool}{wxResourceRegisterBitmapData}{\param{const wxString\& }{name}, \param{char* }{xbm\_data}, \param{int }{width}, \param{int }{height}, \param{wxResourceTable *}{table = NULL}} -\func{bool}{wxResourceRegisterBitmapData}{\param{const wxString\& }{name}, \param{const wxString\& *}{xpm\_data}} +\func{bool}{wxResourceRegisterBitmapData}{\param{const wxString\& }{name}, \param{char** }{xpm\_data}} Makes \verb$#$included XBM or XPM bitmap data known to the wxWindows resource system. This is required if other resources will use the bitmap data, since otherwise there @@ -2493,7 +2669,7 @@ meaningless. \func{void}{wxLogVerbose}{\param{const char*}{ formatString}, \param{...}{}} -For verbose output. Normally, it's suppressed, but +For verbose output. Normally, it is suppressed, but might be activated if the user wishes to know more details about the program progress (another, but possibly confusing name for the same function is {\bf wxLogInfo}). @@ -2517,7 +2693,7 @@ Mostly used by wxWindows itself, but might be handy for logging errors after system call (API function) failure. It logs the specified message text as well as the last system error code ({\it errno} or {\it ::GetLastError()} depending on the platform) and the corresponding error message. The second form -of this function takes the error code explitly as the first argument. +of this function takes the error code explicitly as the first argument. \wxheading{See also} @@ -2604,9 +2780,89 @@ Returns the error message corresponding to the given system error code. If \helpref{wxSysErrorCode}{wxsyserrorcode}, \helpref{wxLogSysError}{wxlogsyserror} +\section{Time functions}\label{timefunctions} + +The functions in this section deal with getting the current time and +starting/stopping the global timers. Please note that the timer functions are +deprecated because they work with one global timer only and +\helpref{wxTimer}{wxtimer} and/or \helpref{wxStopWatch}{wxstopwatch} classes +should be used instead. For retrieving the current time, you may also use +\helpref{wxDateTime::Now}{wxdatetimenow} or +\helpref{wxDateTime::UNow}{wxdatetimeunow} methods. + +\membersection{::wxGetElapsedTime}\label{wxgetelapsedtime} + +\func{long}{wxGetElapsedTime}{\param{bool}{ resetTimer = TRUE}} + +Gets the time in milliseconds since the last \helpref{::wxStartTimer}{wxstarttimer}. + +If {\it resetTimer} is TRUE (the default), the timer is reset to zero +by this call. + +See also \helpref{wxTimer}{wxtimer}. + +\wxheading{Include files} + + + +\membersection{::wxGetLocalTime}\label{wxgetlocaltime} + +\func{long}{wxGetLocalTime}{\void} + +Returns the number of seconds since local time 00:00:00 Jan 1st 1970. + +\wxheading{See also} + +\helpref{wxDateTime::Now}{wxdatetimenow} + +\wxheading{Include files} + + + +\membersection{::wxGetLocalTimeMillis}\label{wxgetlocaltimemillis} + +\func{wxLongLone}{wxGetLocalTimeMillis}{\void} + +Returns the number of milliseconds since local time 00:00:00 Jan 1st 1970. + +\wxheading{See also} + +\helpref{wxDateTime::Now}{wxdatetimenow},\\ +\helpref{wxLongLone}{wxlonglong} + +\wxheading{Include files} + + + +\membersection{::wxGetUTCTime}\label{wxgetutctime} + +\func{long}{wxGetUTCTime}{\void} + +Returns the number of seconds since GMT 00:00:00 Jan 1st 1970. + +\wxheading{See also} + +\helpref{wxDateTime::Now}{wxdatetimenow} + +\wxheading{Include files} + + + +\membersection{::wxStartTimer}\label{wxstarttimer} + +\func{void}{wxStartTimer}{\void} + +Starts a stopwatch; use \helpref{::wxGetElapsedTime}{wxgetelapsedtime} to get the elapsed time. + +See also \helpref{wxTimer}{wxtimer}. + +\wxheading{Include files} + + + \section{Debugging macros and functions}\label{debugmacros} -Useful macros and functins for error checking and defensive programming. ASSERTs are only +Useful macros and functions for error checking and defensive programming. ASSERTs are only compiled if \_\_WXDEBUG\_\_ is defined, whereas CHECK macros stay in release builds. @@ -2709,3 +2965,56 @@ This is the same as \helpref{wxCHECK2}{wxcheck2}, but \helpref{wxFAIL\_MSG}{wxfailmsg} with the specified {\it msg} is called instead of wxFAIL() if the {\it condition} is false. +\section{Environment access functions}\label{environfunctions} + +The functions in this section allow to access (get) or change value of +environment variables in a portable way. They are currently implemented under +Win32 and POSIX-like systems (Unix). + +% TODO add some stuff about env var inheriting but not propagating upwards (VZ) + +\wxheading{Include files} + + + +\membersection{wxGetenv}\label{wxgetenvmacro} + +\func{wxChar *}{wxGetEnv}{\param{const wxString\&}{ var}} + +This is a macro defined as {\tt getenv()} or its wide char version in Unicode +mode. + +Note that under Win32 it may not return correct value for the variables set +with \helpref{wxSetEnv}{wxsetenv}, use \helpref{wxGetEnv}{wxgetenv} function +instead. + +\membersection{wxGetEnv}\label{wxgetenv} + +\func{bool}{wxGetEnv}{\param{const wxString\&}{ var}, \param{wxString *}{value}} + +Returns the current value of the environment variable {\it var} in {\it value}. +{\it value} may be {\tt NULL} if you just want to know if the variable exists +and are not interested in its value. + +Returns {\tt TRUE} if the variable exists, {\tt FALSE} otherwise. + +\membersection{wxSetEnv}\label{wxsetenv} + +\func{bool}{wxSetEnv}{\param{const wxString\&}{ var}, \param{const wxChar *}{value}} + +Sets the value of the environment variable {\it var} (adding it if necessary) +to {\it value}. + +Returns {\tt TRUE} on success. + +\membersection{wxUnsetEnv}\label{wxunsetenv} + +\func{bool}{wxUnsetEnv}{\param{const wxString\&}{ var}} + +Removes the variable {\it var} from the environment. +\helpref{wxGetEnv}{wxgetenv} will return {\tt NULL} after the call to this +function. + +Returns {\tt TRUE} on success. + +