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398
wxWidgets/include/wx/filepicker.h
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398
wxWidgets/include/wx/filepicker.h
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/////////////////////////////////////////////////////////////////////////////
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// Name: wx/filepicker.h
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// Purpose: wxFilePickerCtrl, wxDirPickerCtrl base header
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// Author: Francesco Montorsi
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// Modified by:
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// Created: 14/4/2006
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// Copyright: (c) Francesco Montorsi
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// RCS-ID: $Id: filepicker.h 49804 2007-11-10 01:09:42Z VZ $
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// Licence: wxWindows Licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_FILEDIRPICKER_H_BASE_
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#define _WX_FILEDIRPICKER_H_BASE_
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#include "wx/defs.h"
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#if wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
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#include "wx/pickerbase.h"
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class WXDLLIMPEXP_FWD_CORE wxDialog;
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class WXDLLIMPEXP_FWD_CORE wxFileDirPickerEvent;
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extern WXDLLEXPORT_DATA(const wxChar) wxFilePickerWidgetLabel[];
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extern WXDLLEXPORT_DATA(const wxChar) wxFilePickerWidgetNameStr[];
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extern WXDLLEXPORT_DATA(const wxChar) wxFilePickerCtrlNameStr[];
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extern WXDLLEXPORT_DATA(const wxChar) wxFileSelectorPromptStr[];
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extern WXDLLEXPORT_DATA(const wxChar) wxDirPickerWidgetLabel[];
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extern WXDLLEXPORT_DATA(const wxChar) wxDirPickerWidgetNameStr[];
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extern WXDLLEXPORT_DATA(const wxChar) wxDirPickerCtrlNameStr[];
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extern WXDLLEXPORT_DATA(const wxChar) wxDirSelectorPromptStr[];
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// ----------------------------------------------------------------------------
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// wxFileDirPickerWidgetBase: a generic abstract interface which must be
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// implemented by controls used by wxFileDirPickerCtrlBase
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxFileDirPickerWidgetBase
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{
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public:
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wxFileDirPickerWidgetBase() { }
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virtual ~wxFileDirPickerWidgetBase() { }
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wxString GetPath() const { return m_path; }
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virtual void SetPath(const wxString &str) { m_path=str; }
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// returns the picker widget cast to wxControl
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virtual wxControl *AsControl() = 0;
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protected:
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virtual void UpdateDialogPath(wxDialog *) = 0;
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virtual void UpdatePathFromDialog(wxDialog *) = 0;
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wxString m_path;
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};
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// Styles which must be supported by all controls implementing wxFileDirPickerWidgetBase
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// NB: these styles must be defined to carefully-chosen values to
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// avoid conflicts with wxButton's styles
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#define wxFLP_OPEN 0x0400
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#define wxFLP_SAVE 0x0800
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#define wxFLP_OVERWRITE_PROMPT 0x1000
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#define wxFLP_FILE_MUST_EXIST 0x2000
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#define wxFLP_CHANGE_DIR 0x4000
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// NOTE: wxMULTIPLE is not supported !
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#define wxDIRP_DIR_MUST_EXIST 0x0008
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#define wxDIRP_CHANGE_DIR 0x0010
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// map platform-dependent controls which implement the wxFileDirPickerWidgetBase
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// under the name "wxFilePickerWidget" and "wxDirPickerWidget".
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// NOTE: wxFileDirPickerCtrlBase will allocate a wx{File|Dir}PickerWidget and this
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// requires that all classes being mapped as wx{File|Dir}PickerWidget have the
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// same prototype for the contructor...
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// since GTK >= 2.6, there is GtkFileButton
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#if defined(__WXGTK26__) && !defined(__WXUNIVERSAL__)
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#include "wx/gtk/filepicker.h"
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#define wxFilePickerWidget wxFileButton
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#define wxDirPickerWidget wxDirButton
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#else
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#include "wx/generic/filepickerg.h"
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#define wxFilePickerWidget wxGenericFileButton
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#define wxDirPickerWidget wxGenericDirButton
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#endif
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// ----------------------------------------------------------------------------
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// wxFileDirPickerCtrlBase
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxFileDirPickerCtrlBase : public wxPickerBase
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{
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public:
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wxFileDirPickerCtrlBase() : m_bIgnoreNextTextCtrlUpdate(false) {}
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protected:
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// NB: no default values since this function will never be used
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// directly by the user and derived classes wouldn't use them
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bool CreateBase(wxWindow *parent,
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wxWindowID id,
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const wxString& path,
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const wxString &message,
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const wxString &wildcard,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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const wxValidator& validator,
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const wxString& name);
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public: // public API
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wxString GetPath() const;
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void SetPath(const wxString &str);
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public: // internal functions
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void UpdatePickerFromTextCtrl();
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void UpdateTextCtrlFromPicker();
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// event handler for our picker
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void OnFileDirChange(wxFileDirPickerEvent &);
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// Returns TRUE if the current path is a valid one
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// (i.e. a valid file for a wxFilePickerWidget or a valid
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// folder for a wxDirPickerWidget).
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virtual bool CheckPath(const wxString &str) const = 0;
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// TRUE if any textctrl change should update the current working directory
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virtual bool IsCwdToUpdate() const = 0;
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// Returns the event type sent by this picker
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virtual wxEventType GetEventType() const = 0;
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// Returns the filtered value currently placed in the text control (if present).
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virtual wxString GetTextCtrlValue() const = 0;
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protected:
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// creates the picker control
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virtual
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wxFileDirPickerWidgetBase *CreatePicker(wxWindow *parent,
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const wxString& path,
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const wxString& message,
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const wxString& wildcard) = 0;
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protected:
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// true if the next UpdateTextCtrl() call is to ignore
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bool m_bIgnoreNextTextCtrlUpdate;
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// m_picker object as wxFileDirPickerWidgetBase interface
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wxFileDirPickerWidgetBase *m_pickerIface;
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};
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#endif // wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
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#if wxUSE_FILEPICKERCTRL
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// ----------------------------------------------------------------------------
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// wxFilePickerCtrl: platform-independent class which embeds the
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// platform-dependent wxFilePickerWidget and, if wxFLP_USE_TEXTCTRL style is
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// used, a textctrl next to it.
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// ----------------------------------------------------------------------------
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#define wxFLP_USE_TEXTCTRL (wxPB_USE_TEXTCTRL)
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#ifdef __WXGTK__
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// GTK apps usually don't have a textctrl next to the picker
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#define wxFLP_DEFAULT_STYLE (wxFLP_OPEN|wxFLP_FILE_MUST_EXIST)
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#else
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#define wxFLP_DEFAULT_STYLE (wxFLP_USE_TEXTCTRL|wxFLP_OPEN|wxFLP_FILE_MUST_EXIST)
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#endif
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class WXDLLIMPEXP_CORE wxFilePickerCtrl : public wxFileDirPickerCtrlBase
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{
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public:
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wxFilePickerCtrl() {}
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wxFilePickerCtrl(wxWindow *parent,
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wxWindowID id,
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const wxString& path = wxEmptyString,
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const wxString& message = wxFileSelectorPromptStr,
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const wxString& wildcard = wxFileSelectorDefaultWildcardStr,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxFLP_DEFAULT_STYLE,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxFilePickerCtrlNameStr)
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{
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Create(parent, id, path, message, wildcard, pos, size, style,
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validator, name);
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}
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bool Create(wxWindow *parent,
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wxWindowID id,
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const wxString& path = wxEmptyString,
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const wxString& message = wxFileSelectorPromptStr,
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const wxString& wildcard = wxFileSelectorDefaultWildcardStr,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxFLP_DEFAULT_STYLE,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxFilePickerCtrlNameStr)
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{
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return wxFileDirPickerCtrlBase::CreateBase(parent, id, path,
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message, wildcard,
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pos, size, style,
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validator, name);
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}
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public: // overrides
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// return true if the given path is valid for this control
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bool CheckPath(const wxString& path) const;
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// return the text control value in canonical form
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wxString GetTextCtrlValue() const;
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bool IsCwdToUpdate() const
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{ return HasFlag(wxFLP_CHANGE_DIR); }
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wxEventType GetEventType() const
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{ return wxEVT_COMMAND_FILEPICKER_CHANGED; }
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protected:
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wxFileDirPickerWidgetBase *CreatePicker(wxWindow *parent,
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const wxString& path,
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const wxString& message,
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const wxString& wildcard)
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{
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return new wxFilePickerWidget(parent, wxID_ANY,
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wxFilePickerWidgetLabel,
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path, message, wildcard,
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wxDefaultPosition, wxDefaultSize,
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GetPickerStyle(GetWindowStyle()));
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}
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// extracts the style for our picker from wxFileDirPickerCtrlBase's style
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long GetPickerStyle(long style) const
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{
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return (style & (wxFLP_OPEN|wxFLP_SAVE|wxFLP_OVERWRITE_PROMPT|
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wxFLP_FILE_MUST_EXIST|wxFLP_CHANGE_DIR));
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}
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private:
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DECLARE_DYNAMIC_CLASS(wxFilePickerCtrl)
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};
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#endif // wxUSE_FILEPICKERCTRL
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#if wxUSE_DIRPICKERCTRL
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// ----------------------------------------------------------------------------
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// wxDirPickerCtrl: platform-independent class which embeds the
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// platform-dependent wxDirPickerWidget and eventually a textctrl
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// (see wxDIRP_USE_TEXTCTRL) next to it.
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// ----------------------------------------------------------------------------
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#define wxDIRP_USE_TEXTCTRL (wxPB_USE_TEXTCTRL)
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#ifdef __WXGTK__
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// GTK apps usually don't have a textctrl next to the picker
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#define wxDIRP_DEFAULT_STYLE (wxDIRP_DIR_MUST_EXIST)
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#else
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#define wxDIRP_DEFAULT_STYLE (wxDIRP_USE_TEXTCTRL|wxDIRP_DIR_MUST_EXIST)
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#endif
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class WXDLLIMPEXP_CORE wxDirPickerCtrl : public wxFileDirPickerCtrlBase
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{
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public:
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wxDirPickerCtrl() {}
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wxDirPickerCtrl(wxWindow *parent, wxWindowID id,
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const wxString& path = wxEmptyString,
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const wxString& message = wxDirSelectorPromptStr,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxDIRP_DEFAULT_STYLE,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxDirPickerCtrlNameStr)
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{
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Create(parent, id, path, message, pos, size, style, validator, name);
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}
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bool Create(wxWindow *parent, wxWindowID id,
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const wxString& path = wxEmptyString,
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const wxString& message = wxDirSelectorPromptStr,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxDIRP_DEFAULT_STYLE,
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const wxValidator& validator = wxDefaultValidator,
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const wxString& name = wxDirPickerCtrlNameStr)
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{
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return wxFileDirPickerCtrlBase::CreateBase
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(
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parent, id, path, message, wxEmptyString,
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pos, size, style, validator, name
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);
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}
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public: // overrides
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bool CheckPath(const wxString &path) const;
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wxString GetTextCtrlValue() const;
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bool IsCwdToUpdate() const
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{ return HasFlag(wxDIRP_CHANGE_DIR); }
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wxEventType GetEventType() const
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{ return wxEVT_COMMAND_DIRPICKER_CHANGED; }
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protected:
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wxFileDirPickerWidgetBase *CreatePicker(wxWindow *parent,
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const wxString& path,
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const wxString& message,
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const wxString& WXUNUSED(wildcard))
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{
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return new wxDirPickerWidget(parent, wxID_ANY, wxDirPickerWidgetLabel,
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path, message,
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wxDefaultPosition, wxDefaultSize,
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GetPickerStyle(GetWindowStyle()));
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}
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// extracts the style for our picker from wxFileDirPickerCtrlBase's style
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long GetPickerStyle(long style) const
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{ return (style & (wxDIRP_DIR_MUST_EXIST|wxDIRP_CHANGE_DIR)); }
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private:
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DECLARE_DYNAMIC_CLASS(wxDirPickerCtrl)
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};
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#endif // wxUSE_DIRPICKERCTRL
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#if wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
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// ----------------------------------------------------------------------------
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// wxFileDirPickerEvent: used by wxFilePickerCtrl and wxDirPickerCtrl only
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// ----------------------------------------------------------------------------
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BEGIN_DECLARE_EVENT_TYPES()
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DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_CORE, wxEVT_COMMAND_FILEPICKER_CHANGED, 1102)
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DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_CORE, wxEVT_COMMAND_DIRPICKER_CHANGED, 1103)
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END_DECLARE_EVENT_TYPES()
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class WXDLLIMPEXP_CORE wxFileDirPickerEvent : public wxCommandEvent
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{
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public:
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wxFileDirPickerEvent() {}
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wxFileDirPickerEvent(wxEventType type, wxObject *generator, int id, const wxString &path)
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: wxCommandEvent(type, id),
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m_path(path)
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{
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SetEventObject(generator);
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}
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wxString GetPath() const { return m_path; }
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void SetPath(const wxString &p) { m_path = p; }
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// default copy ctor, assignment operator and dtor are ok
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virtual wxEvent *Clone() const { return new wxFileDirPickerEvent(*this); }
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private:
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wxString m_path;
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DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxFileDirPickerEvent)
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};
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// ----------------------------------------------------------------------------
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// event types and macros
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// ----------------------------------------------------------------------------
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typedef void (wxEvtHandler::*wxFileDirPickerEventFunction)(wxFileDirPickerEvent&);
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#define wxFileDirPickerEventHandler(func) \
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(wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxFileDirPickerEventFunction, &func)
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#define EVT_FILEPICKER_CHANGED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_COMMAND_FILEPICKER_CHANGED, id, wxFileDirPickerEventHandler(fn))
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#define EVT_DIRPICKER_CHANGED(id, fn) \
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wx__DECLARE_EVT1(wxEVT_COMMAND_DIRPICKER_CHANGED, id, wxFileDirPickerEventHandler(fn))
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#endif // wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
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#endif // _WX_FILEDIRPICKER_H_BASE_
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