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      */ \
  32     /* request in response to the user click as the generic implementation */ \
  33     /* does.                                                               */ \
  34     virtual wxWindow *GetDialogParent()                                       \
  35     {                                                                         \
  36         return NULL;                                                          \
  37     }                                                                         \
  38                                                                               \
  39     virtual bool Destroy()                                                    \
  40     {                                                                         \
  41         m_dialog->Destroy();                                                  \
  42         return wxButton::Destroy();                                           \
  43     }
  44
  45
  46 //-----------------------------------------------------------------------------
  47 // wxFileButton
  48 //-----------------------------------------------------------------------------
  49
  50 class WXDLLIMPEXP_CORE wxFileButton : public wxGenericFileButton
  51 {
  52 public:
  53     wxFileButton() { m_dialog = NULL; }
  54     wxFileButton(wxWindow *parent,
  55                  wxWindowID id,
  56                  const wxString& label = wxFilePickerWidgetLabel,
  57                  const wxString &path = wxEmptyString,
  58                  const wxString &message = wxFileSelectorPromptStr,
  59                  const wxString &wildcard = wxFileSelectorDefaultWildcardStr,
  60                  const wxPoint& pos = wxDefaultPosition,
  61                  const wxSize& size = wxDefaultSize,
  62                  long style = wxFILEBTN_DEFAULT_STYLE,
  63                  const wxValidator& validator = wxDefaultValidator,
  64                  const wxString& name = wxFilePickerWidgetNameStr)
  65     {
  66         m_dialog = NULL;
  67         Create(parent, id, label, path, message, wildcard,
  68                pos, size, style, validator, name);
  69     }
  70
  71     virtual ~wxFileButton();
  72
  73
  74 public:     // overrides
  75
  76     bool Create(wxWindow *parent,
  77                 wxWindowID id,
  78                 const wxString& label = wxFilePickerWidgetLabel,
  79                 const wxString &path = wxEmptyString,
  80                 const wxString &message = wxFileSelectorPromptStr,
  81                 const wxString &wildcard = wxFileSelectorDefaultWildcardStr,
  82                 const wxPoint& pos = wxDefaultPosition,
  83                 const wxSize& size = wxDefaultSize,
  84                 long style = 0,
  85                 const wxValidator& validator = wxDefaultValidator,
  86                 const wxString& name = wxFilePickerWidgetNameStr);
  87
  88     // event handler for the click
  89     void OnDialogOK(wxCommandEvent &);
  90
  91
  92 public:     // some overrides
  93
  94     // GtkFileChooserButton does not support GTK_FILE_CHOOSER_ACTION_SAVE
  95     // so we replace it with GTK_FILE_CHOOSER_ACTION_OPEN; since wxFD_SAVE
  96     // is not supported, wxFD_OVERWRITE_PROMPT isn't too...
  97     virtual long GetDialogStyle() const
  98     {
  99          return (wxGenericFileButton::GetDialogStyle() &
 100                      ~(wxFD_SAVE | wxFD_OVERWRITE_PROMPT)) | wxFD_OPEN;
 101     }
 102
 103     virtual void SetPath(const wxString &str);
 104
 105     // see macro defined above
 106     FILEDIRBTN_OVERRIDES
 107
 108 protected:
 109     wxDialog *m_dialog;
 110
 111 private:
 112     DECLARE_DYNAMIC_CLASS(wxFileButton)
 113 };
 114
 115
 116 //-----------------------------------------------------------------------------
 117 // wxDirButton
 118 //-----------------------------------------------------------------------------
 119
 120 class WXDLLIMPEXP_CORE wxDirButton : public wxGenericDirButton
 121 {
 122 public:
 123     wxDirButton() { Init(); }
 124     wxDirButton(wxWindow *parent,
 125                 wxWindowID id,
 126                 const wxString& label = wxFilePickerWidgetLabel,
 127                 const wxString &path = wxEmptyString,
 128                 const wxString &message = wxFileSelectorPromptStr,
 129                 const wxPoint& pos = wxDefaultPosition,
 130                 const wxSize& size = wxDefaultSize,
 131                 long style = wxDIRBTN_DEFAULT_STYLE,
 132                 const wxValidator& validator = wxDefaultValidator,
 133                 const wxString& name = wxFilePickerWidgetNameStr)
 134     {
 135         Init();
 136
 137         Create(parent, id, label, path, message, wxEmptyString,
 138                 pos, size, style, validator, name);
 139     }
 140
 141     virtual ~wxDirButton();
 142
 143
 144 public:     // overrides
 145
 146     bool Create(wxWindow *parent,
 147                 wxWindowID id,
 148                 const wxString& label = wxFilePickerWidgetLabel,
 149                 const wxString &path = wxEmptyString,
 150                 const wxString &message = wxFileSelectorPromptStr,
 151                 const wxString &wildcard = wxFileSelectorDefaultWildcardStr,
 152                 const wxPoint& pos = wxDefaultPosition,
 153                 const wxSize& size = wxDefaultSize,
 154                 long style = 0,
 155                 const wxValidator& validator = wxDefaultValidator,
 156                 const wxString& name = wxFilePickerWidgetNameStr);
 157
 158
 159     // GtkFileChooserButton does not support GTK_FILE_CHOOSER_CREATE_FOLDER
 160     // thus we must ensure that the wxDD_DIR_MUST_EXIST style was given
 161     long GetDialogStyle() const
 162     {
 163         return (wxGenericDirButton::GetDialogStyle() | wxDD_DIR_MUST_EXIST);
 164     }
 165
 166     virtual void SetPath(const wxString &str);
 167
 168     // see macro defined above
 169     FILEDIRBTN_OVERRIDES
 170
 171 protected:
 172     // common part of all ctors
 173     void Init()
 174     {
 175         m_dialog = NULL;
 176         m_bIgnoreNextChange = false;
 177     }
 178
 179     wxDialog *m_dialog;
 180
 181 public:    // used by the GTK callback only
 182
 183     bool m_bIgnoreNextChange;
 184
 185     void UpdatePath(const char *gtkpath)
 186         { m_path = wxString::FromAscii(gtkpath); }
 187
 188 private:
 189     DECLARE_DYNAMIC_CLASS(wxDirButton)
 190 };
 191
 192 #undef FILEDIRBTN_OVERRIDES
 193
 194 #endif // _WX_GTK_FILEPICKER_H_
 195