wxWidgets/include/wx/filepicker.h
Vadim Zeitlin 3ccea0978c Don't ignore invalid files entered into wxFileDirPickerCtrlBase.
File/directory picker controls with wxFLP_FILE_MUST_EXIST/wxDIRP_DIR_MUST_EXIST
style simply ignored any value entered by user if it didn't correspond to an
existing file/directory. This meant that the program didn't use the value that
was shown on the screen resulting in very confusing UI -- e.g. a program could
complain that no value was entered when actually it was and just corresponded
to a non-existing file.

As we can't prevent the entry of arbitrary strings in the text field of the
file picker control, stop pretending that we can validate it and just update
the control value, and send the corresponding event, whenever the text control
value changes.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72475 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2012-09-13 17:14:37 +00:00

423 lines
15 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/filepicker.h
// Purpose: wxFilePickerCtrl, wxDirPickerCtrl base header
// Author: Francesco Montorsi
// Modified by:
// Created: 14/4/2006
// Copyright: (c) Francesco Montorsi
// RCS-ID: $Id$
// Licence: wxWindows Licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_FILEDIRPICKER_H_BASE_
#define _WX_FILEDIRPICKER_H_BASE_
#include "wx/defs.h"
#if wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
#include "wx/pickerbase.h"
#include "wx/filename.h"
class WXDLLIMPEXP_FWD_CORE wxDialog;
class WXDLLIMPEXP_FWD_CORE wxFileDirPickerEvent;
extern WXDLLIMPEXP_DATA_CORE(const char) wxFilePickerWidgetLabel[];
extern WXDLLIMPEXP_DATA_CORE(const char) wxFilePickerWidgetNameStr[];
extern WXDLLIMPEXP_DATA_CORE(const char) wxFilePickerCtrlNameStr[];
extern WXDLLIMPEXP_DATA_CORE(const char) wxFileSelectorPromptStr[];
extern WXDLLIMPEXP_DATA_CORE(const char) wxDirPickerWidgetLabel[];
extern WXDLLIMPEXP_DATA_CORE(const char) wxDirPickerWidgetNameStr[];
extern WXDLLIMPEXP_DATA_CORE(const char) wxDirPickerCtrlNameStr[];
extern WXDLLIMPEXP_DATA_CORE(const char) wxDirSelectorPromptStr[];
// ----------------------------------------------------------------------------
// wxFileDirPickerEvent: used by wxFilePickerCtrl and wxDirPickerCtrl only
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxFileDirPickerEvent : public wxCommandEvent
{
public:
wxFileDirPickerEvent() {}
wxFileDirPickerEvent(wxEventType type, wxObject *generator, int id, const wxString &path)
: wxCommandEvent(type, id),
m_path(path)
{
SetEventObject(generator);
}
wxString GetPath() const { return m_path; }
void SetPath(const wxString &p) { m_path = p; }
// default copy ctor, assignment operator and dtor are ok
virtual wxEvent *Clone() const { return new wxFileDirPickerEvent(*this); }
private:
wxString m_path;
DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxFileDirPickerEvent)
};
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_FILEPICKER_CHANGED, wxFileDirPickerEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_DIRPICKER_CHANGED, wxFileDirPickerEvent );
// ----------------------------------------------------------------------------
// event types and macros
// ----------------------------------------------------------------------------
typedef void (wxEvtHandler::*wxFileDirPickerEventFunction)(wxFileDirPickerEvent&);
#define wxFileDirPickerEventHandler(func) \
wxEVENT_HANDLER_CAST(wxFileDirPickerEventFunction, func)
#define EVT_FILEPICKER_CHANGED(id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_FILEPICKER_CHANGED, id, wxFileDirPickerEventHandler(fn))
#define EVT_DIRPICKER_CHANGED(id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_DIRPICKER_CHANGED, id, wxFileDirPickerEventHandler(fn))
// ----------------------------------------------------------------------------
// wxFileDirPickerWidgetBase: a generic abstract interface which must be
// implemented by controls used by wxFileDirPickerCtrlBase
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxFileDirPickerWidgetBase
{
public:
wxFileDirPickerWidgetBase() { }
virtual ~wxFileDirPickerWidgetBase() { }
// Path here is the name of the selected file or directory.
wxString GetPath() const { return m_path; }
virtual void SetPath(const wxString &str) { m_path=str; }
// Set the directory to open the file browse dialog at initially.
virtual void SetInitialDirectory(const wxString& dir) = 0;
// returns the picker widget cast to wxControl
virtual wxControl *AsControl() = 0;
protected:
virtual void UpdateDialogPath(wxDialog *) = 0;
virtual void UpdatePathFromDialog(wxDialog *) = 0;
wxString m_path;
};
// Styles which must be supported by all controls implementing wxFileDirPickerWidgetBase
// NB: these styles must be defined to carefully-chosen values to
// avoid conflicts with wxButton's styles
#define wxFLP_OPEN 0x0400
#define wxFLP_SAVE 0x0800
#define wxFLP_OVERWRITE_PROMPT 0x1000
#define wxFLP_FILE_MUST_EXIST 0x2000
#define wxFLP_CHANGE_DIR 0x4000
#define wxFLP_SMALL wxPB_SMALL
// NOTE: wxMULTIPLE is not supported !
#define wxDIRP_DIR_MUST_EXIST 0x0008
#define wxDIRP_CHANGE_DIR 0x0010
#define wxDIRP_SMALL wxPB_SMALL
// map platform-dependent controls which implement the wxFileDirPickerWidgetBase
// under the name "wxFilePickerWidget" and "wxDirPickerWidget".
// NOTE: wxFileDirPickerCtrlBase will allocate a wx{File|Dir}PickerWidget and this
// requires that all classes being mapped as wx{File|Dir}PickerWidget have the
// same prototype for the contructor...
// since GTK >= 2.6, there is GtkFileButton
#if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
#include "wx/gtk/filepicker.h"
#define wxFilePickerWidget wxFileButton
#define wxDirPickerWidget wxDirButton
#else
#include "wx/generic/filepickerg.h"
#define wxFilePickerWidget wxGenericFileButton
#define wxDirPickerWidget wxGenericDirButton
#endif
// ----------------------------------------------------------------------------
// wxFileDirPickerCtrlBase
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxFileDirPickerCtrlBase : public wxPickerBase
{
public:
wxFileDirPickerCtrlBase() {}
protected:
// NB: no default values since this function will never be used
// directly by the user and derived classes wouldn't use them
bool CreateBase(wxWindow *parent,
wxWindowID id,
const wxString& path,
const wxString &message,
const wxString &wildcard,
const wxPoint& pos,
const wxSize& size,
long style,
const wxValidator& validator,
const wxString& name);
public: // public API
wxString GetPath() const;
void SetPath(const wxString &str);
// Set the directory to open the file browse dialog at initially.
void SetInitialDirectory(const wxString& dir)
{
m_pickerIface->SetInitialDirectory(dir);
}
public: // internal functions
void UpdatePickerFromTextCtrl();
void UpdateTextCtrlFromPicker();
// event handler for our picker
void OnFileDirChange(wxFileDirPickerEvent &);
// TRUE if any textctrl change should update the current working directory
virtual bool IsCwdToUpdate() const = 0;
// Returns the event type sent by this picker
virtual wxEventType GetEventType() const = 0;
virtual void DoConnect( wxControl *sender, wxFileDirPickerCtrlBase *eventSink ) = 0;
// Returns the filtered value currently placed in the text control (if present).
virtual wxString GetTextCtrlValue() const = 0;
protected:
// creates the picker control
virtual
wxFileDirPickerWidgetBase *CreatePicker(wxWindow *parent,
const wxString& path,
const wxString& message,
const wxString& wildcard) = 0;
protected:
// m_picker object as wxFileDirPickerWidgetBase interface
wxFileDirPickerWidgetBase *m_pickerIface;
};
#endif // wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
#if wxUSE_FILEPICKERCTRL
// ----------------------------------------------------------------------------
// wxFilePickerCtrl: platform-independent class which embeds the
// platform-dependent wxFilePickerWidget and, if wxFLP_USE_TEXTCTRL style is
// used, a textctrl next to it.
// ----------------------------------------------------------------------------
#define wxFLP_USE_TEXTCTRL (wxPB_USE_TEXTCTRL)
#ifdef __WXGTK__
// GTK apps usually don't have a textctrl next to the picker
#define wxFLP_DEFAULT_STYLE (wxFLP_OPEN|wxFLP_FILE_MUST_EXIST)
#else
#define wxFLP_DEFAULT_STYLE (wxFLP_USE_TEXTCTRL|wxFLP_OPEN|wxFLP_FILE_MUST_EXIST)
#endif
class WXDLLIMPEXP_CORE wxFilePickerCtrl : public wxFileDirPickerCtrlBase
{
public:
wxFilePickerCtrl() {}
wxFilePickerCtrl(wxWindow *parent,
wxWindowID id,
const wxString& path = wxEmptyString,
const wxString& message = wxFileSelectorPromptStr,
const wxString& wildcard = wxFileSelectorDefaultWildcardStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxFLP_DEFAULT_STYLE,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxFilePickerCtrlNameStr)
{
Create(parent, id, path, message, wildcard, pos, size, style,
validator, name);
}
bool Create(wxWindow *parent,
wxWindowID id,
const wxString& path = wxEmptyString,
const wxString& message = wxFileSelectorPromptStr,
const wxString& wildcard = wxFileSelectorDefaultWildcardStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxFLP_DEFAULT_STYLE,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxFilePickerCtrlNameStr);
void SetFileName(const wxFileName &filename)
{ SetPath(filename.GetFullPath()); }
wxFileName GetFileName() const
{ return wxFileName(GetPath()); }
public: // overrides
// return true if the given path is valid for this control
bool CheckPath(const wxString& path) const;
// return the text control value in canonical form
wxString GetTextCtrlValue() const;
bool IsCwdToUpdate() const
{ return HasFlag(wxFLP_CHANGE_DIR); }
wxEventType GetEventType() const
{ return wxEVT_COMMAND_FILEPICKER_CHANGED; }
virtual void DoConnect( wxControl *sender, wxFileDirPickerCtrlBase *eventSink )
{
sender->Connect( wxEVT_COMMAND_FILEPICKER_CHANGED,
wxFileDirPickerEventHandler( wxFileDirPickerCtrlBase::OnFileDirChange ),
NULL, eventSink );
}
protected:
virtual
wxFileDirPickerWidgetBase *CreatePicker(wxWindow *parent,
const wxString& path,
const wxString& message,
const wxString& wildcard)
{
return new wxFilePickerWidget(parent, wxID_ANY,
wxGetTranslation(wxFilePickerWidgetLabel),
path, message, wildcard,
wxDefaultPosition, wxDefaultSize,
GetPickerStyle(GetWindowStyle()));
}
// extracts the style for our picker from wxFileDirPickerCtrlBase's style
long GetPickerStyle(long style) const
{
return style & (wxFLP_OPEN |
wxFLP_SAVE |
wxFLP_OVERWRITE_PROMPT |
wxFLP_FILE_MUST_EXIST |
wxFLP_CHANGE_DIR |
wxFLP_USE_TEXTCTRL |
wxFLP_SMALL);
}
private:
DECLARE_DYNAMIC_CLASS(wxFilePickerCtrl)
};
#endif // wxUSE_FILEPICKERCTRL
#if wxUSE_DIRPICKERCTRL
// ----------------------------------------------------------------------------
// wxDirPickerCtrl: platform-independent class which embeds the
// platform-dependent wxDirPickerWidget and eventually a textctrl
// (see wxDIRP_USE_TEXTCTRL) next to it.
// ----------------------------------------------------------------------------
#define wxDIRP_USE_TEXTCTRL (wxPB_USE_TEXTCTRL)
#ifdef __WXGTK__
// GTK apps usually don't have a textctrl next to the picker
#define wxDIRP_DEFAULT_STYLE (wxDIRP_DIR_MUST_EXIST)
#else
#define wxDIRP_DEFAULT_STYLE (wxDIRP_USE_TEXTCTRL|wxDIRP_DIR_MUST_EXIST)
#endif
class WXDLLIMPEXP_CORE wxDirPickerCtrl : public wxFileDirPickerCtrlBase
{
public:
wxDirPickerCtrl() {}
wxDirPickerCtrl(wxWindow *parent, wxWindowID id,
const wxString& path = wxEmptyString,
const wxString& message = wxDirSelectorPromptStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxDIRP_DEFAULT_STYLE,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxDirPickerCtrlNameStr)
{
Create(parent, id, path, message, pos, size, style, validator, name);
}
bool Create(wxWindow *parent, wxWindowID id,
const wxString& path = wxEmptyString,
const wxString& message = wxDirSelectorPromptStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxDIRP_DEFAULT_STYLE,
const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxDirPickerCtrlNameStr);
void SetDirName(const wxFileName &dirname)
{ SetPath(dirname.GetPath()); }
wxFileName GetDirName() const
{ return wxFileName::DirName(GetPath()); }
public: // overrides
bool CheckPath(const wxString &path) const;
wxString GetTextCtrlValue() const;
bool IsCwdToUpdate() const
{ return HasFlag(wxDIRP_CHANGE_DIR); }
wxEventType GetEventType() const
{ return wxEVT_COMMAND_DIRPICKER_CHANGED; }
virtual void DoConnect( wxControl *sender, wxFileDirPickerCtrlBase *eventSink )
{
sender->Connect( wxEVT_COMMAND_DIRPICKER_CHANGED,
wxFileDirPickerEventHandler( wxFileDirPickerCtrlBase::OnFileDirChange ),
NULL, eventSink );
}
protected:
virtual
wxFileDirPickerWidgetBase *CreatePicker(wxWindow *parent,
const wxString& path,
const wxString& message,
const wxString& WXUNUSED(wildcard))
{
return new wxDirPickerWidget(parent, wxID_ANY,
wxGetTranslation(wxDirPickerWidgetLabel),
path, message,
wxDefaultPosition, wxDefaultSize,
GetPickerStyle(GetWindowStyle()));
}
// extracts the style for our picker from wxFileDirPickerCtrlBase's style
long GetPickerStyle(long style) const
{
return style & (wxDIRP_DIR_MUST_EXIST |
wxDIRP_CHANGE_DIR |
wxDIRP_USE_TEXTCTRL |
wxDIRP_SMALL);
}
private:
DECLARE_DYNAMIC_CLASS(wxDirPickerCtrl)
};
#endif // wxUSE_DIRPICKERCTRL
#endif // _WX_FILEDIRPICKER_H_BASE_