include/wx/gtk/filepicker.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/filedirpicker.h
   3 // Purpose:     wxFileButton, wxDirButton header
   4 // Author:      Francesco Montorsi
   5 // Modified by:
   6 // Created:     14/4/2006
   7 // Copyright:   (c) Francesco Montorsi
   8 // RCS-ID:      $Id$
   9 // Licence:     wxWindows Licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GTK_FILEPICKER_H_
  13 #define _WX_GTK_FILEPICKER_H_
  14
  15 // since GtkColorButton is available only for GTK+ >= 2.4,
  16 // we need to use generic versions if we detect (at runtime)
  17 // that GTK+ < 2.4
  18 #include "wx/generic/filepickerg.h"
  19
  20
  21
  22 //-----------------------------------------------------------------------------
  23 // wxFileButton and wxDirButton shared code
  24 // (cannot be a base class since they need to derive from wxGenericFileButton
  25 //  and from wxGenericDirButton classes !)
  26 //-----------------------------------------------------------------------------
  27
  28 #define FILEDIRBTN_OVERRIDES                                                        \
  29     /* NULL is because of a problem with destruction order which happens      */    \
  30     /* if we pass GetParent(): in fact, this GTK native implementation        */    \
  31     /* needs to create the dialog in ::Create() and not for each user request */    \
  32     /* in response to the user click as the generic implementation does       */    \
  33     virtual wxWindow *GetDialogParent()                                             \
  34     {                                                                               \
  35         return NULL;                                                                \
  36     }                                                                               \
  37                                                                                     \
  38     virtual bool Destroy()                                                          \
  39     {                                                                               \
  40         m_dialog->Destroy();                                                        \
  41         return wxButton::Destroy();                                                 \
  42     }
  43
  44
  45 //-----------------------------------------------------------------------------
  46 // wxFileButton
  47 //-----------------------------------------------------------------------------
  48
  49 class WXDLLIMPEXP_CORE wxFileButton : public wxGenericFileButton
  50 {
  51 public:
  52     wxFileButton() { m_dialog = NULL; }
  53     wxFileButton(wxWindow *parent,
  54                  wxWindowID id,
  55                  const wxString& label = wxFilePickerWidgetLabel,
  56                  const wxString &path = wxEmptyString,
  57                  const wxString &message = wxFileSelectorPromptStr,
  58                  const wxString &wildcard = wxFileSelectorDefaultWildcardStr,
  59                  const wxPoint& pos = wxDefaultPosition,
  60                  const wxSize& size = wxDefaultSize,
  61                  long style = wxFILEBTN_DEFAULT_STYLE,
  62                  const wxValidator& validator = wxDefaultValidator,
  63                  const wxString& name = wxFilePickerWidgetNameStr)
  64     {
  65         m_dialog = NULL;
  66         Create(parent, id, label, path, message, wildcard,
  67                pos, size, style, validator, name);
  68     }
  69
  70     virtual ~wxFileButton();
  71
  72
  73 public:     // overrides
  74
  75     bool Create(wxWindow *parent,
  76                 wxWindowID id,
  77                 const wxString& label = wxFilePickerWidgetLabel,
  78                 const wxString &path = wxEmptyString,
  79                 const wxString &message = wxFileSelectorPromptStr,
  80                 const wxString &wildcard = wxFileSelectorDefaultWildcardStr,
  81                 const wxPoint& pos = wxDefaultPosition,
  82                 const wxSize& size = wxDefaultSize,
  83                 long style = 0,
  84                 const wxValidator& validator = wxDefaultValidator,
  85                 const wxString& name = wxFilePickerWidgetNameStr);
  86
  87     // event handler for the click
  88     void OnDialogOK(wxCommandEvent &);
  89
  90
  91 public:     // some overrides
  92
  93     // GtkFileChooserButton does not support GTK_FILE_CHOOSER_ACTION_SAVE
  94     // so we replace it with GTK_FILE_CHOOSER_ACTION_OPEN; since wxFD_SAVE
  95     // is not supported, wxFD_OVERWRITE_PROMPT isn't too...
  96     virtual long GetDialogStyle() const
  97     {
  98          return (wxGenericFileButton::GetDialogStyle() &
  99                      ~(wxFD_SAVE | wxFD_OVERWRITE_PROMPT)) | wxFD_OPEN;
 100     }
 101
 102     virtual void SetPath(const wxString &str);
 103
 104     // see macro defined above
 105     FILEDIRBTN_OVERRIDES
 106
 107 protected:
 108     wxDialog *m_dialog;
 109
 110 private:
 111     DECLARE_DYNAMIC_CLASS(wxFileButton)
 112 };
 113
 114
 115 //-----------------------------------------------------------------------------
 116 // wxDirButton
 117 //-----------------------------------------------------------------------------
 118
 119 class WXDLLIMPEXP_CORE wxDirButton : public wxGenericDirButton
 120 {
 121 public:
 122     wxDirButton() { Init(); }
 123     wxDirButton(wxWindow *parent,
 124                 wxWindowID id,
 125                 const wxString& label = wxFilePickerWidgetLabel,
 126                 const wxString &path = wxEmptyString,
 127                 const wxString &message = wxFileSelectorPromptStr,
 128                 const wxPoint& pos = wxDefaultPosition,
 129                 const wxSize& size = wxDefaultSize,
 130                 long style = wxDIRBTN_DEFAULT_STYLE,
 131                 const wxValidator& validator = wxDefaultValidator,
 132                 const wxString& name = wxFilePickerWidgetNameStr)
 133     {
 134         Init();
 135
 136         Create(parent, id, label, path, message, wxEmptyString,
 137                 pos, size, style, validator, name);
 138     }
 139
 140     virtual ~wxDirButton();
 141
 142
 143 public:     // overrides
 144
 145     bool Create(wxWindow *parent,
 146                 wxWindowID id,
 147                 const wxString& label = wxFilePickerWidgetLabel,
 148                 const wxString &path = wxEmptyString,
 149                 const wxString &message = wxFileSelectorPromptStr,
 150                 const wxString &wildcard = wxFileSelectorDefaultWildcardStr,
 151                 const wxPoint& pos = wxDefaultPosition,
 152                 const wxSize& size = wxDefaultSize,
 153                 long style = 0,
 154                 const wxValidator& validator = wxDefaultValidator,
 155                 const wxString& name = wxFilePickerWidgetNameStr);
 156
 157
 158     // GtkFileChooserButton does not support GTK_FILE_CHOOSER_CREATE_FOLDER
 159     // thus we must ensure that the wxDD_DIR_MUST_EXIST style was given
 160     long GetDialogStyle() const
 161     {
 162         return (wxGenericDirButton::GetDialogStyle() | wxDD_DIR_MUST_EXIST);
 163     }
 164
 165     virtual void SetPath(const wxString &str);
 166
 167     // see macro defined above
 168     FILEDIRBTN_OVERRIDES
 169
 170 protected:
 171     // common part of all ctors
 172     void Init()
 173     {
 174         m_dialog = NULL;
 175         m_bIgnoreNextChange = false;
 176     }
 177
 178     wxDialog *m_dialog;
 179
 180 public:    // used by the GTK callback only
 181
 182     bool m_bIgnoreNextChange;
 183
 184     void UpdatePath(const char *gtkpath)
 185         { m_path = wxString::FromAscii(gtkpath); }
 186
 187 private:
 188     DECLARE_DYNAMIC_CLASS(wxDirButton)
 189 };
 190
 191 #undef FILEDIRBTN_OVERRIDES
 192
 193 #endif // _WX_GTK_FILEPICKER_H_
 194