X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/23b7f0cbd0d74c89691e9066c934a3d94d12c517..c29c95fe24973b94fd724db767193171ca7c513d:/interface/wx/filedlg.h diff --git a/interface/wx/filedlg.h b/interface/wx/filedlg.h index 89760406b1..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 @@ -24,35 +79,41 @@ result in only those files matching the pattern being displayed. The wildcard may be a specification for multiple types of file with a description for each, such as: + @code "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} @@ -79,7 +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 @@ -88,35 +149,37 @@ public: Dialog name. Not implemented. */ wxFileDialog(wxWindow* parent, - const wxString& message = "Choose a file", - const wxString& defaultDir = "", - const wxString& defaultFile = "", - const wxString& wildcard = ".", + const wxString& message = wxFileSelectorPromptStr, + const wxString& defaultDir = wxEmptyString, + const wxString& defaultFile = wxEmptyString, + const wxString& wildcard = wxFileSelectorDefaultWildcardStr, long style = wxFD_DEFAULT_STYLE, const wxPoint& pos = wxDefaultPosition, - const wxSize& sz = wxDefaultSize, - const wxString& name = "filedlg"); + const wxSize& size = wxDefaultSize, + const wxString& name = wxFileDialogNameStr); /** Destructor. */ - ~wxFileDialog(); + virtual ~wxFileDialog(); /** Returns the default directory. */ - wxString GetDirectory() const; + virtual wxString GetDirectory() const; /** If functions SetExtraControlCreator() and ShowModal() were called, returns the extra window. Otherwise returns @NULL. + + @since 2.9.0 */ wxWindow* GetExtraControl() const; /** Returns the default filename. */ - wxString GetFilename() const; + virtual wxString GetFilename() const; /** Fills the array @a filenames with the names of the files chosen. @@ -129,7 +192,7 @@ public: of each referenced file by appending the directory containing the shortcuts to the filename. */ - void GetFilenames(wxArrayString& filenames) const; + virtual void GetFilenames(wxArrayString& filenames) const; /** Returns the index into the list of filters supplied, optionally, in the @@ -140,17 +203,17 @@ public: After the dialog is shown, this is the index selected by the user. */ - int GetFilterIndex() const; + virtual int GetFilterIndex() const; /** Returns the message that will be displayed on the dialog. */ - wxString GetMessage() const; + virtual wxString GetMessage() const; /** Returns the full path (directory and filename) of the selected file. */ - wxString GetPath() const; + virtual wxString GetPath() const; /** Fills the array @a paths with the full paths of the files chosen. @@ -158,17 +221,24 @@ public: This function should only be used with the dialogs which have @c wxFD_MULTIPLE style, use GetPath() for the others. */ - void GetPaths(wxArrayString& paths) const; + virtual void GetPaths(wxArrayString& paths) const; /** Returns the file dialog wildcard. */ - wxString GetWildcard() const; + virtual wxString GetWildcard() const; /** Sets the default directory. */ - void SetDirectory(const wxString& directory); + 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 @@ -179,30 +249,34 @@ 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(t_extraControlCreator creator); + bool SetExtraControlCreator(ExtraControlCreatorFunction creator); /** Sets the default filename. + + In wxGTK this will have little effect unless a default directory has previously been set. */ - void SetFilename(const wxString& setfilename); + virtual void SetFilename(const wxString& setfilename); /** Sets the default filter index, starting from zero. */ - void SetFilterIndex(int filterIndex); + virtual void SetFilterIndex(int filterIndex); /** Sets the message that will be displayed on the dialog. */ - void SetMessage(const wxString& message); + virtual void SetMessage(const wxString& message); /** Sets the path (the combined directory and filename that will be returned when the dialog is dismissed). */ - void SetPath(const wxString& path); + virtual void SetPath(const wxString& path); /** Sets the wildcard, which can contain multiple file types, for example: @@ -211,13 +285,13 @@ public: Note that the native Motif dialog has some limitations with respect to wildcards; see the Remarks section above. */ - void SetWildcard(const wxString& wildCard); + 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. */ - int ShowModal(); + virtual int ShowModal(); }; @@ -226,7 +300,7 @@ public: // Global functions/macros // ============================================================================ -/** @ingroup group_funcmacro_dialog */ +/** @addtogroup group_funcmacro_dialog */ //@{ /** @@ -270,9 +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,