wxWidgets/include/wx/filepicker.h
2006-07-11 07:53:25 +00:00

391 lines
14 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"
class WXDLLIMPEXP_CORE wxDialog;
class WXDLLIMPEXP_CORE wxFileDirPickerEvent;
extern WXDLLEXPORT_DATA(const wxChar) wxFilePickerWidgetLabel[];
extern WXDLLEXPORT_DATA(const wxChar) wxFilePickerWidgetNameStr[];
extern WXDLLEXPORT_DATA(const wxChar) wxFilePickerCtrlNameStr[];
extern WXDLLEXPORT_DATA(const wxChar) wxFileSelectorPromptStr[];
extern WXDLLEXPORT_DATA(const wxChar) wxDirPickerWidgetLabel[];
extern WXDLLEXPORT_DATA(const wxChar) wxDirPickerWidgetNameStr[];
extern WXDLLEXPORT_DATA(const wxChar) wxDirPickerCtrlNameStr[];
extern WXDLLEXPORT_DATA(const wxChar) wxDirSelectorPromptStr[];
// ----------------------------------------------------------------------------
// wxFileDirPickerWidgetBase: a generic abstract interface which must be
// implemented by controls used by wxFileDirPickerCtrlBase
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxFileDirPickerWidgetBase
{
public:
wxFileDirPickerWidgetBase() { }
virtual ~wxFileDirPickerWidgetBase() { }
wxString GetPath() const { return m_path; }
virtual void SetPath(const wxString &str) { m_path=str; }
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
// NOTE: wxMULTIPLE is not supported !
#define wxDIRP_DIR_MUST_EXIST 0x0008
#define wxDIRP_CHANGE_DIR 0x0010
// 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...
#if defined(__WXGTK26__) // since GTK >= 2.6, there is GtkFileButton
#include "wx/gtk/filepicker.h"
#define wxFilePickerWidget wxFileButton
#define wxDirPickerWidget wxDirButton
#else
#include "wx/generic/filepickerg.h"
#define wxFilePickerWidget wxGenericFileButton
#define wxDirPickerWidget wxGenericDirButton
#endif
// ----------------------------------------------------------------------------
// wxFileDirPickerWidgetBase
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxFileDirPickerCtrlBase : public wxPickerBase
{
public:
wxFileDirPickerCtrlBase() : m_bIgnoreNextTextCtrlUpdate(false) {}
// 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
{ return ((wxFileDirPickerWidgetBase*)m_picker)->GetPath(); }
void SetPath(const wxString &str);
public: // internal functions
void UpdatePickerFromTextCtrl();
void UpdateTextCtrlFromPicker();
// event handler for our picker
void OnFileDirChange(wxFileDirPickerEvent &);
virtual bool CreatePicker(wxWindow *parent, const wxString& path,
const wxString& message, const wxString& wildcard) = 0;
// Returns TRUE if the current path is a valid one
// (i.e. a valid file for a wxFilePickerWidget or a valid
// folder for a wxDirPickerWidget).
virtual bool CheckPath(const wxString &str) const = 0;
// 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;
// Returns the filtered value currently placed in the text control (if present).
virtual wxString GetTextCtrlValue() const = 0;
protected:
// true if the next UpdateTextCtrl() call is to ignore
bool m_bIgnoreNextTextCtrlUpdate;
};
#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)
{
return wxFileDirPickerCtrlBase::CreateBase(parent, id, path,
message, wildcard,
pos, size, style,
validator, name);
}
public: // overrides
bool CreatePicker(wxWindow *parent, const wxString& path,
const wxString& message, const wxString& wildcard)
{
m_picker = new wxFilePickerWidget(parent, wxID_ANY,
wxFilePickerWidgetLabel,
path, message, wildcard,
wxDefaultPosition, wxDefaultSize,
GetPickerStyle(GetWindowStyle()));
return true;
}
// 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; }
protected:
// 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));
}
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)
{
return wxFileDirPickerCtrlBase::CreateBase
(
parent, id, path, message, wxEmptyString,
pos, size, style, validator, name
);
}
public: // overrides
bool CreatePicker(wxWindow *parent, const wxString& path,
const wxString& message, const wxString& WXUNUSED(wildcard))
{
m_picker = new wxDirPickerWidget(parent, wxID_ANY, wxDirPickerWidgetLabel,
path, message, wxDefaultPosition, wxDefaultSize,
GetPickerStyle(GetWindowStyle()));
return true;
}
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; }
protected:
// extracts the style for our picker from wxFileDirPickerCtrlBase's style
long GetPickerStyle(long style) const
{ return (style & (wxDIRP_DIR_MUST_EXIST|wxDIRP_CHANGE_DIR)); }
private:
DECLARE_DYNAMIC_CLASS(wxDirPickerCtrl)
};
#endif // wxUSE_DIRPICKERCTRL
#if wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
// ----------------------------------------------------------------------------
// wxFileDirPickerEvent: used by wxFilePickerCtrl and wxDirPickerCtrl only
// ----------------------------------------------------------------------------
BEGIN_DECLARE_EVENT_TYPES()
DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_CORE, wxEVT_COMMAND_FILEPICKER_CHANGED, 1102)
DECLARE_EXPORTED_EVENT_TYPE(WXDLLIMPEXP_CORE, wxEVT_COMMAND_DIRPICKER_CHANGED, 1103)
END_DECLARE_EVENT_TYPES()
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)
};
// ----------------------------------------------------------------------------
// event types and macros
// ----------------------------------------------------------------------------
typedef void (wxEvtHandler::*wxFileDirPickerEventFunction)(wxFileDirPickerEvent&);
#define wxFileDirPickerEventHandler(func) \
(wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(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))
#ifdef _WX_DEFINE_DATE_EVENTS_
DEFINE_EVENT_TYPE(wxEVT_COMMAND_FILEPICKER_CHANGED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_DIRPICKER_CHANGED)
IMPLEMENT_DYNAMIC_CLASS(wxFileDirPickerEvent, wxCommandEvent)
#endif
#endif // wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
#endif // _WX_FILEDIRPICKER_H_BASE_