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