4ac648901d
GetPaths/GetFilenames() must be used instead when more than one file could be selected: document this and assert if the wrong functions are called. Closes https://github.com/wxWidgets/wxWidgets/pull/1883
255 lines
9.7 KiB
C++
255 lines
9.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/filedlg.h
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// Purpose: wxFileDialog base header
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// Author: Robert Roebling
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// Modified by:
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// Created: 8/17/99
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// Copyright: (c) Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_FILEDLG_H_BASE_
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#define _WX_FILEDLG_H_BASE_
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#include "wx/defs.h"
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#if wxUSE_FILEDLG
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#include "wx/dialog.h"
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#include "wx/arrstr.h"
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// this symbol is defined for the platforms which support multiple
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// ('|'-separated) filters in the file dialog
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#if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
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#define wxHAS_MULTIPLE_FILEDLG_FILTERS
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#endif
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//----------------------------------------------------------------------------
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// wxFileDialog data
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//----------------------------------------------------------------------------
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/*
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The flags below must coexist with the following flags in m_windowStyle
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#define wxCAPTION 0x20000000
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#define wxMAXIMIZE 0x00002000
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#define wxCLOSE_BOX 0x00001000
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#define wxSYSTEM_MENU 0x00000800
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wxBORDER_NONE = 0x00200000
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#define wxRESIZE_BORDER 0x00000040
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#define wxDIALOG_NO_PARENT 0x00000020
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*/
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enum
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{
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wxFD_OPEN = 0x0001,
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wxFD_SAVE = 0x0002,
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wxFD_OVERWRITE_PROMPT = 0x0004,
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wxFD_NO_FOLLOW = 0x0008,
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wxFD_FILE_MUST_EXIST = 0x0010,
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wxFD_CHANGE_DIR = 0x0080,
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wxFD_PREVIEW = 0x0100,
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wxFD_MULTIPLE = 0x0200,
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wxFD_SHOW_HIDDEN = 0x0400
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};
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#define wxFD_DEFAULT_STYLE wxFD_OPEN
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extern WXDLLIMPEXP_DATA_CORE(const char) wxFileDialogNameStr[];
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extern WXDLLIMPEXP_DATA_CORE(const char) wxFileSelectorPromptStr[];
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extern WXDLLIMPEXP_DATA_CORE(const char) wxFileSelectorDefaultWildcardStr[];
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//----------------------------------------------------------------------------
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// wxFileDialogBase
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//----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxFileDialogBase: public wxDialog
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{
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public:
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wxFileDialogBase () { Init(); }
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wxFileDialogBase(wxWindow *parent,
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const wxString& message = wxFileSelectorPromptStr,
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const wxString& defaultDir = wxEmptyString,
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const wxString& defaultFile = wxEmptyString,
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const wxString& wildCard = wxFileSelectorDefaultWildcardStr,
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long style = wxFD_DEFAULT_STYLE,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& sz = wxDefaultSize,
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const wxString& name = wxFileDialogNameStr)
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{
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Init();
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Create(parent, message, defaultDir, defaultFile, wildCard, style, pos, sz, name);
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}
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virtual ~wxFileDialogBase() {}
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bool Create(wxWindow *parent,
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const wxString& message = wxFileSelectorPromptStr,
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const wxString& defaultDir = wxEmptyString,
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const wxString& defaultFile = wxEmptyString,
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const wxString& wildCard = wxFileSelectorDefaultWildcardStr,
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long style = wxFD_DEFAULT_STYLE,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& sz = wxDefaultSize,
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const wxString& name = wxFileDialogNameStr);
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bool HasFdFlag(int flag) const { return HasFlag(flag); }
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virtual void SetMessage(const wxString& message) { m_message = message; }
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virtual void SetPath(const wxString& path);
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virtual void SetDirectory(const wxString& dir);
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virtual void SetFilename(const wxString& name);
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virtual void SetWildcard(const wxString& wildCard) { m_wildCard = wildCard; }
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virtual void SetFilterIndex(int filterIndex) { m_filterIndex = filterIndex; }
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virtual wxString GetMessage() const { return m_message; }
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virtual wxString GetPath() const
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{
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wxCHECK_MSG( !HasFlag(wxFD_MULTIPLE), wxString(), "When using wxFD_MULTIPLE, must call GetPaths() instead" );
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return m_path;
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}
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virtual void GetPaths(wxArrayString& paths) const { paths.Empty(); paths.Add(m_path); }
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virtual wxString GetDirectory() const { return m_dir; }
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virtual wxString GetFilename() const
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{
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wxCHECK_MSG( !HasFlag(wxFD_MULTIPLE), wxString(), "When using wxFD_MULTIPLE, must call GetFilenames() instead" );
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return m_fileName;
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}
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virtual void GetFilenames(wxArrayString& files) const { files.Empty(); files.Add(m_fileName); }
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virtual wxString GetWildcard() const { return m_wildCard; }
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virtual int GetFilterIndex() const { return m_filterIndex; }
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virtual wxString GetCurrentlySelectedFilename() const
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{ return m_currentlySelectedFilename; }
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virtual int GetCurrentlySelectedFilterIndex () const
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{ return m_currentlySelectedFilterIndex; }
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// this function is called with wxFileDialog as parameter and should
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// create the window containing the extra controls we want to show in it
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typedef wxWindow *(*ExtraControlCreatorFunction)(wxWindow*);
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virtual bool SupportsExtraControl() const { return false; }
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bool SetExtraControlCreator(ExtraControlCreatorFunction creator);
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wxWindow *GetExtraControl() const { return m_extraControl; }
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// Utility functions
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// Append first extension to filePath from a ';' separated extensionList
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// if filePath = "path/foo.bar" just return it as is
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// if filePath = "foo[.]" and extensionList = "*.jpg;*.png" return "foo.jpg"
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// if the extension is "*.j?g" (has wildcards) or "jpg" then return filePath
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static wxString AppendExtension(const wxString &filePath,
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const wxString &extensionList);
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// Set the filter index to match the given extension.
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//
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// This is always valid to call, even if the extension is empty or the
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// filter list doesn't contain it, the function will just do nothing in
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// these cases.
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void SetFilterIndexFromExt(const wxString& ext);
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protected:
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wxString m_message;
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wxString m_dir;
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wxString m_path; // Full path
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wxString m_fileName;
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wxString m_wildCard;
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int m_filterIndex;
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// Currently selected, but not yet necessarily accepted by the user, file.
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// This should be updated whenever the selection in the control changes by
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// the platform-specific code to provide a useful implementation of
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// GetCurrentlySelectedFilename().
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wxString m_currentlySelectedFilename;
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// Currently selected, but not yet necessarily accepted by the user, file
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// type (a.k.a. filter) index. This should be updated whenever the
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// selection in the control changes by the platform-specific code to
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// provide a useful implementation of GetCurrentlySelectedFilterIndex().
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int m_currentlySelectedFilterIndex;
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wxWindow* m_extraControl;
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// returns true if control is created (if it already exists returns false)
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bool CreateExtraControl();
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// return true if SetExtraControlCreator() was called
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bool HasExtraControlCreator() const
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{ return m_extraControlCreator != NULL; }
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// get the size of the extra control by creating and deleting it
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wxSize GetExtraControlSize();
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private:
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ExtraControlCreatorFunction m_extraControlCreator;
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void Init();
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wxDECLARE_DYNAMIC_CLASS(wxFileDialogBase);
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wxDECLARE_NO_COPY_CLASS(wxFileDialogBase);
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};
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//----------------------------------------------------------------------------
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// wxFileDialog convenience functions
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//----------------------------------------------------------------------------
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// File selector - backward compatibility
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WXDLLIMPEXP_CORE wxString
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wxFileSelector(const wxString& message = wxFileSelectorPromptStr,
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const wxString& default_path = wxEmptyString,
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const wxString& default_filename = wxEmptyString,
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const wxString& default_extension = wxEmptyString,
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const wxString& wildcard = wxFileSelectorDefaultWildcardStr,
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int flags = 0,
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wxWindow *parent = NULL,
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int x = wxDefaultCoord, int y = wxDefaultCoord);
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// An extended version of wxFileSelector
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WXDLLIMPEXP_CORE wxString
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wxFileSelectorEx(const wxString& message = wxFileSelectorPromptStr,
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const wxString& default_path = wxEmptyString,
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const wxString& default_filename = wxEmptyString,
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int *indexDefaultExtension = NULL,
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const wxString& wildcard = wxFileSelectorDefaultWildcardStr,
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int flags = 0,
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wxWindow *parent = NULL,
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int x = wxDefaultCoord, int y = wxDefaultCoord);
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// Ask for filename to load
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WXDLLIMPEXP_CORE wxString
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wxLoadFileSelector(const wxString& what,
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const wxString& extension,
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const wxString& default_name = wxEmptyString,
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wxWindow *parent = NULL);
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// Ask for filename to save
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WXDLLIMPEXP_CORE wxString
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wxSaveFileSelector(const wxString& what,
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const wxString& extension,
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const wxString& default_name = wxEmptyString,
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wxWindow *parent = NULL);
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#if defined (__WXUNIVERSAL__)
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#define wxHAS_GENERIC_FILEDIALOG
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#include "wx/generic/filedlgg.h"
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#elif defined(__WXMSW__)
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#include "wx/msw/filedlg.h"
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#elif defined(__WXMOTIF__)
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#include "wx/motif/filedlg.h"
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#elif defined(__WXGTK20__)
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#include "wx/gtk/filedlg.h" // GTK+ > 2.4 has native version
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#elif defined(__WXGTK__)
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#include "wx/gtk1/filedlg.h"
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#elif defined(__WXMAC__)
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#include "wx/osx/filedlg.h"
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#elif defined(__WXQT__)
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#include "wx/qt/filedlg.h"
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#endif
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#endif // wxUSE_FILEDLG
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#endif // _WX_FILEDLG_H_BASE_
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