X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a44f3b5a890fbb2a88ef9adafd94f662e1664889..ceb9b8db81a7ae5d1c997610a689e47d322a5dfd:/interface/wx/filedlg.h diff --git a/interface/wx/filedlg.h b/interface/wx/filedlg.h index 1ff73a0603..a3c5bfd621 100644 --- a/interface/wx/filedlg.h +++ b/interface/wx/filedlg.h @@ -3,7 +3,7 @@ // Purpose: interface of wxFileDialog // Author: wxWidgets team // RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /** @@ -11,12 +11,67 @@ This class represents the file chooser dialog. - It pops up a file selector box (native for Windows and GTK2.4+). - The path and filename are distinct elements of a full file pathname. - If path is "", the current directory will be used. If filename is "", no default - filename will be supplied. The wildcard determines what files are displayed in the - file selector, and file extension supplies a type extension for the required filename. + If path is ::wxEmptyString, the current directory will be used. + If filename is ::wxEmptyString, no default filename will be supplied. + The wildcard determines what files are displayed in the file selector, + and file extension supplies a type extension for the required filename. + + The typical usage for the open file dialog is: + @code + void MyFrame::OnOpen(wxCommandEvent& WXUNUSED(event)) + { + if (...current content has not been saved...) + { + if (wxMessageBox(_("Current content has not been saved! Proceed?"), _("Please confirm"), + wxICON_QUESTION | wxYES_NO, this) == wxNO ) + return; + //else: proceed asking to the user the new file to open + } + + wxFileDialog + openFileDialog(this, _("Open XYZ file"), "", "", + "XYZ files (*.xyz)|*.xyz", wxFD_OPEN|wxFD_FILE_MUST_EXIST); + + if (openFileDialog.ShowModal() == wxID_CANCEL) + return; // the user changed idea... + + // proceed loading the file chosen by the user; + // this can be done with e.g. wxWidgets input streams: + wxFileInputStream input_stream(openFileDialog.GetPath()); + if (!input_stream.IsOk()) + { + wxLogError("Cannot open file '%s'.", openFileDialog.GetPath()); + return; + } + + ... + } + @endcode + + The typical usage for the save file dialog is instead somewhat simpler: + @code + void MyFrame::OnSaveAs(wxCommandEvent& WXUNUSED(event)) + { + wxFileDialog + saveFileDialog(this, _("Save XYZ file"), "", "", + "XYZ files (*.xyz)|*.xyz", wxFD_SAVE|wxFD_OVERWRITE_PROMPT); + + if (saveFileDialog.ShowModal() == wxID_CANCEL) + return; // the user changed idea... + + // save the current contents in the file; + // this can be done with e.g. wxWidgets output streams: + wxFileOutputStream output_stream(saveFileDialog.GetPath()); + if (!output_stream.IsOk()) + { + wxLogError("Cannot save current contents in file '%s'.", saveFileDialog.GetPath()); + return; + } + + ... + } + @endcode @remarks All implementations of the wxFileDialog provide a wildcard filter. Typing a filename @@ -28,33 +83,37 @@ "BMP and GIF files (*.bmp;*.gif)|*.bmp;*.gif|PNG files (*.png)|*.png" @endcode It must be noted that wildcard support in the native Motif file dialog is quite - limited: only one alternative is supported, and it is displayed without the + limited: only one file type is supported, and it is displayed without the descriptive test; "BMP files (*.bmp)|*.bmp" is displayed as "*.bmp", and both "BMP files (*.bmp)|*.bmp|GIF files (*.gif)|*.gif" and "Image files|*.bmp;*.gif" are errors. @beginStyleTable @style{wxFD_DEFAULT_STYLE} - Equivalent to wxFD_OPEN. + Equivalent to @c wxFD_OPEN. @style{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. + button's label of the dialog is "Open". Cannot be combined with @c wxFD_SAVE. @style{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. + label of the dialog is "Save". Cannot be combined with @c wxFD_OPEN. @style{wxFD_OVERWRITE_PROMPT} For save dialog only: prompt for a confirmation if a file will be overwritten. @style{wxFD_FILE_MUST_EXIST} - For open dialog only: the user may only select files that actually exist. + For open dialog only: the user may only select files that actually + exist. Notice that under OS X the file dialog with @c wxFD_OPEN + style always behaves as if this style was specified, because it is + impossible to choose a file that doesn't exist from a standard OS X + file dialog. @style{wxFD_MULTIPLE} For open dialog only: allows selecting multiple files. @style{wxFD_CHANGE_DIR} - Change the current working directory to the directory where the - file(s) chosen by the user are. + Change the current working directory (when the dialog is dismissed) + to the directory where the file(s) chosen by the user are. @style{wxFD_PREVIEW} Show the preview of the selected files (currently only supported by - wxGTK using GTK+ 2.4 or later). + wxGTK). @endStyleTable @library{wxcore} @@ -81,7 +140,7 @@ public: Note that the native Motif dialog has some limitations with respect to wildcards; see the Remarks section above. @param style - A dialog style. See wxFD_* styles for more info. + A dialog style. See @c wxFD_* styles for more info. @param pos Dialog position. Not implemented. @param size @@ -112,6 +171,8 @@ public: /** If functions SetExtraControlCreator() and ShowModal() were called, returns the extra window. Otherwise returns @NULL. + + @since 2.9.0 */ wxWindow* GetExtraControl() const; @@ -172,6 +233,13 @@ public: */ virtual void SetDirectory(const wxString& directory); + /** + The type of function used as an argument for SetExtraControlCreator(). + + @since 2.9.0 + */ + typedef wxWindow *(*ExtraControlCreatorFunction)(wxWindow*); + /** Customize file dialog by adding extra window, which is typically placed below the list of files and above the buttons. @@ -181,12 +249,16 @@ public: The @c creator function should take pointer to parent window (file dialog) and should return a window allocated with operator new. - Supported platforms: wxGTK, wxUniv. + Supported platforms: wxGTK, wxMSW, wxUniv. + + @since 2.9.0 */ - bool SetExtraControlCreator(ExtraControlCreatorFunction); + bool SetExtraControlCreator(ExtraControlCreatorFunction creator); /** Sets the default filename. + + In wxGTK this will have little effect unless a default directory has previously been set. */ virtual void SetFilename(const wxString& setfilename); @@ -216,7 +288,7 @@ public: virtual void SetWildcard(const wxString& wildCard); /** - Shows the dialog, returning wxID_OK if the user pressed OK, and wxID_CANCEL + Shows the dialog, returning @c wxID_OK if the user pressed OK, and @c wxID_CANCEL otherwise. */ virtual int ShowModal(); @@ -228,7 +300,7 @@ public: // Global functions/macros // ============================================================================ -/** @ingroup group_funcmacro_dialog */ +/** @addtogroup group_funcmacro_dialog */ //@{ /** @@ -272,9 +344,9 @@ public: @header{wx/filedlg.h} */ wxString wxFileSelector(const wxString& message, - const wxString& default_path = "", - const wxString& default_filename = "", - const wxString& default_extension = "", + const wxString& default_path = wxEmptyString, + const wxString& default_filename = wxEmptyString, + const wxString& default_extension = wxEmptyString, const wxString& wildcard = ".", int flags = 0, wxWindow* parent = NULL,