ff3e84ffdc
- check invalid combinations of styles in wxFileDialogBase::Create() - use wxFD_XXX naming convention for wxFileDialog styles - replaces wxDD_NEW_DIR_BUTTON with wxDD_DIR_MUST_EXIST - removes #ifdef __WXGTK24__ / #endif blocks from wxGTK code - removes wxFileDialogBase::Get/SetStyle and wxFileDialogBase::m_fileName - renames wxDirDialogGTK to wxDirDialog git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39402 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
215 lines
8.0 KiB
TeX
215 lines
8.0 KiB
TeX
\section{\class{wxFileDialog}}\label{wxfiledialog}
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This class represents the file chooser dialog.
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\wxheading{Derived from}
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\helpref{wxDialog}{wxdialog}\\
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\helpref{wxWindow}{wxwindow}\\
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\helpref{wxEvtHandler}{wxevthandler}\\
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\helpref{wxObject}{wxobject}
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\wxheading{Include files}
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<wx/filedlg.h>
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\wxheading{Window styles}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{\windowstyle{wxFD\_DEFAULT\_STYLE}}{Equivalent to wxFD_OPEN.}
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\twocolitem{\windowstyle{wxFD\_OPEN}}{This is an open dialog; usually this means that the default button's label of the dialog is "Open". Cannot be combined with wxFD\_SAVE.}
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\twocolitem{\windowstyle{wxFD\_SAVE}}{This is a save dialog; usually this means that the default button's label of the dialog is "Save". Cannot be combined with wxFD\_OPEN.}
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\twocolitem{{\windowstyle wxFD\_OVERWRITE\_PROMPT}}{For save dialog only: prompt for a confirmation if a file will be overwritten.}
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\twocolitem{{\windowstyle wxFD\_FILE\_MUST\_EXIST}}{For open dialog only: the user may only select files that actually exist.}
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\twocolitem{{\windowstyle wxFD_MULTIPLE}}{For open dialog only: allows selecting multiple files.}
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\twocolitem{{\windowstyle wxFD_CHANGE\_DIR}}{Change the current working directory to the directory where the file(s) chosen by the user are.}
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\end{twocollist}
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{\bf NB:} Previous versions of wxWidgets used {\tt wxFD_CHANGE\_DIR} by default
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under MS Windows which allowed the program to simply remember the last
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directory where user selected the files to open/save. This (desired)
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functionality must be implemented in the program itself now (manually remember
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the last path used and pass it to the dialog the next time it is called) or
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by using this flag.
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\wxheading{See also}
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\helpref{wxFileDialog overview}{wxfiledialogoverview}, \helpref{wxFileSelector}{wxfileselector}
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\wxheading{Remarks}
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Pops up a file selector box. In Windows and GTK2.4+, this is the common
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file selector dialog. In X, this is a file selector box with somewhat less
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functionality. The path and filename are distinct elements of a full file pathname.
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If path is ``", the current directory will be used. If filename is ``",
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no default filename will be supplied. The wildcard determines what files
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are displayed in the file selector, and file extension supplies a type
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extension for the required filename.
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Both the X and Windows versions implement a wildcard filter. Typing a
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filename containing wildcards (*, ?) in the filename text item, and
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clicking on Ok, will result in only those files matching the pattern being
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displayed. The wildcard may be a specification for multiple
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types of file with a description for each, such as:
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\begin{verbatim}
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"BMP and GIF files (*.bmp;*.gif)|*.bmp;*.gif|PNG files (*.png)|*.png"
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\end{verbatim}
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It must be noted that wildcard support in the native Motif file
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dialog is quite limited: only one alternative is supported,
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and it is displayed without the descriptive test; ``BMP files (*.bmp)|*.bmp''
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is displayed as ``*.bmp'', and both
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``BMP files (*.bmp)|*.bmp|GIF files (*.gif)|*.gif'' and
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``Image files|*.bmp;*.gif'' are errors.
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxFileDialog::wxFileDialog}\label{wxfiledialogctor}
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\func{}{wxFileDialog}{\param{wxWindow* }{parent}, \param{const wxString\& }{message = "Choose a file"},\rtfsp
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\param{const wxString\& }{defaultDir = ""}, \param{const wxString\& }{defaultFile = ``"},\rtfsp
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\param{const wxString\& }{wildcard = ``*.*"}, \param{long }{style = wxFD\_DEFAULT\_STYLE}, \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{sz = wxDefaultSize}, \param{const wxString\& }{name = "filedlg"}}
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Constructor. Use \helpref{wxFileDialog::ShowModal}{wxfiledialogshowmodal} to show the dialog.
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\wxheading{Parameters}
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\docparam{parent}{Parent window.}
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\docparam{message}{Message to show on the dialog.}
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\docparam{defaultDir}{The default directory, or the empty string.}
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\docparam{defaultFile}{The default filename, or the empty string.}
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\docparam{wildcard}{A wildcard, such as ``*.*" or ``BMP files (*.bmp)|*.bmp|GIF files (*.gif)|*.gif".
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Note that the native Motif dialog has some limitations with respect to
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wildcards; see the Remarks section above.}
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\docparam{style}{A dialog style. See wxFD_* styles for more info.}
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\docparam{pos}{Dialog position. Not implemented.}
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\docparam{size}{Dialog size. Not implemented.}
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\docparam{name}{Dialog name. Not implemented.}
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\membersection{wxFileDialog::\destruct{wxFileDialog}}\label{wxfiledialogdtor}
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\func{}{\destruct{wxFileDialog}}{\void}
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Destructor.
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\membersection{wxFileDialog::GetDirectory}\label{wxfiledialoggetdirectory}
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\constfunc{wxString}{GetDirectory}{\void}
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Returns the default directory.
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\membersection{wxFileDialog::GetFilename}\label{wxfiledialoggetfilename}
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\constfunc{wxString}{GetFilename}{\void}
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Returns the default filename.
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\membersection{wxFileDialog::GetFilenames}\label{wxfiledialoggetfilenames}
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\constfunc{void}{GetFilenames}{\param{wxArrayString\& }{filenames}}
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Fills the array {\it filenames} with the names of the files chosen. This
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function should only be used with the dialogs which have {\tt wxMULTIPLE} style,
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use \helpref{GetFilename}{wxfiledialoggetfilename} for the others.
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Note that under Windows, if the user selects shortcuts, the filenames
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include paths, since the application cannot determine the full path
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of each referenced file by appending the directory containing the shortcuts
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to the filename.
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\membersection{wxFileDialog::GetFilterIndex}\label{wxfiledialoggetfilterindex}
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\constfunc{int}{GetFilterIndex}{\void}
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Returns the index into the list of filters supplied, optionally, in the wildcard parameter.
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Before the dialog is shown, this is the index which will be used when the dialog is first displayed.
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After the dialog is shown, this is the index selected by the user.
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\membersection{wxFileDialog::GetMessage}\label{wxfiledialoggetmessage}
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\constfunc{wxString}{GetMessage}{\void}
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Returns the message that will be displayed on the dialog.
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\membersection{wxFileDialog::GetPath}\label{wxfiledialoggetpath}
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\constfunc{wxString}{GetPath}{\void}
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Returns the full path (directory and filename) of the selected file.
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\membersection{wxFileDialog::GetPaths}\label{wxfiledialoggetpaths}
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\constfunc{void}{GetPaths}{\param{wxArrayString\& }{paths}}
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Fills the array {\it paths} with the full paths of the files chosen. This
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function should only be used with the dialogs which have {\tt wxMULTIPLE} style,
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use \helpref{GetPath}{wxfiledialoggetpath} for the others.
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\membersection{wxFileDialog::GetWildcard}\label{wxfiledialoggetwildcard}
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\constfunc{wxString}{GetWildcard}{\void}
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Returns the file dialog wildcard.
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\membersection{wxFileDialog::SetDirectory}\label{wxfiledialogsetdirectory}
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\func{void}{SetDirectory}{\param{const wxString\& }{directory}}
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Sets the default directory.
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\membersection{wxFileDialog::SetFilename}\label{wxfiledialogsetfilename}
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\func{void}{SetFilename}{\param{const wxString\& }{setfilename}}
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Sets the default filename.
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\membersection{wxFileDialog::SetFilterIndex}\label{wxfiledialogsetfilterindex}
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\func{void}{SetFilterIndex}{\param{int }{filterIndex}}
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Sets the default filter index, starting from zero.
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\membersection{wxFileDialog::SetMessage}\label{wxfiledialogsetmessage}
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\func{void}{SetMessage}{\param{const wxString\& }{message}}
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Sets the message that will be displayed on the dialog.
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\membersection{wxFileDialog::SetPath}\label{wxfiledialogsetpath}
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\func{void}{SetPath}{\param{const wxString\& }{path}}
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Sets the path (the combined directory and filename that will be returned when the dialog is dismissed).
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\membersection{wxFileDialog::SetWildcard}\label{wxfiledialogsetwildcard}
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\func{void}{SetWildcard}{\param{const wxString\& }{wildCard}}
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Sets the wildcard, which can contain multiple file types, for example:
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``BMP files (*.bmp)|*.bmp|GIF files (*.gif)|*.gif"
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Note that the native Motif dialog has some limitations with respect to
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wildcards; see the Remarks section above.
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\membersection{wxFileDialog::ShowModal}\label{wxfiledialogshowmodal}
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\func{int}{ShowModal}{\void}
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Shows the dialog, returning wxID\_OK if the user pressed OK, and wxID\_CANCEL
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otherwise.
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