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 // wxFileButton and wxDirButton shared code
  22 // (cannot be a base class since they need to derive from wxGenericFileButton
  23 //  and from wxGenericDirButton classes !)
  24 //-----------------------------------------------------------------------------
  25
  26 #define FILEDIRBTN_OVERRIDES                                                  \
  27     /* NULL is because of a problem with destruction order which happens   */ \
  28     /* if we pass GetParent(): in fact, this GTK native implementation     */ \
  29     /* needs to create the dialog in ::Create() and not for each user      */ \
  30     /* request in response to the user click as the generic implementation */ \
  31     /* does.                                                               */ \
  32     virtual wxWindow *GetDialogParent()                                       \
  33     {                                                                         \
  34         return NULL;                                                          \
  35     }                                                                         \
  36                                                                               \
  37     virtual bool Destroy()                                                    \
  38     {                                                                         \
  39         m_dialog->Destroy();                                                  \
  40         return wxButton::Destroy();                                           \
  41     }                                                                         \
  42                                                                               \
  43     /* even if wx derive from wxGenericFileButton, i.e. from wxButton, our */ \
  44     /* native GTK+ widget does not derive from GtkButton thus *all* uses   */ \
  45     /* GTK_BUTTON(m_widget) macro done by wxButton must be bypassed to     */ \
  46     /* avoid bunch of GTK+ warnings like:                                  */ \
  47     /*      invalid cast from `GtkFileChooserButton' to  `GtkButton'       */ \
  48     /* so, override wxButton::GTKGetWindow and return NULL as GTK+ doesn't */ \
  49     /* give us access to the internal GdkWindow of a GtkFileChooserButton  */ \
  50 protected:                                                                    \
  51     virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const         \
  52         { return NULL; }
  53
  54
  55 //-----------------------------------------------------------------------------
  56 // wxFileButton
  57 //-----------------------------------------------------------------------------
  58
  59 class WXDLLIMPEXP_CORE wxFileButton : public wxGenericFileButton
  60 {
  61 public:
  62     wxFileButton() { m_dialog = NULL; }
  63     wxFileButton(wxWindow *parent,
  64                  wxWindowID id,
  65                  const wxString& label = wxFilePickerWidgetLabel,
  66                  const wxString &path = wxEmptyString,
  67                  const wxString &message = wxFileSelectorPromptStr,
  68                  const wxString &wildcard = wxFileSelectorDefaultWildcardStr,
  69                  const wxPoint& pos = wxDefaultPosition,
  70                  const wxSize& size = wxDefaultSize,
  71                  long style = wxFILEBTN_DEFAULT_STYLE,
  72                  const wxValidator& validator = wxDefaultValidator,
  73                  const wxString& name = wxFilePickerWidgetNameStr)
  74     {
  75         m_dialog = NULL;
  76         Create(parent, id, label, path, message, wildcard,
  77                pos, size, style, validator, name);
  78     }
  79
  80     virtual ~wxFileButton();
  81
  82
  83 public:     // overrides
  84
  85     bool Create(wxWindow *parent,
  86                 wxWindowID id,
  87                 const wxString& label = wxFilePickerWidgetLabel,
  88                 const wxString &path = wxEmptyString,
  89                 const wxString &message = wxFileSelectorPromptStr,
  90                 const wxString &wildcard = wxFileSelectorDefaultWildcardStr,
  91                 const wxPoint& pos = wxDefaultPosition,
  92                 const wxSize& size = wxDefaultSize,
  93                 long style = 0,
  94                 const wxValidator& validator = wxDefaultValidator,
  95                 const wxString& name = wxFilePickerWidgetNameStr);
  96
  97     // event handler for the click
  98     void OnDialogOK(wxCommandEvent &);
  99
 100     // GtkFileChooserButton does not support GTK_FILE_CHOOSER_ACTION_SAVE
 101     // so we replace it with GTK_FILE_CHOOSER_ACTION_OPEN; since wxFD_SAVE
 102     // is not supported, wxFD_OVERWRITE_PROMPT isn't too...
 103     virtual long GetDialogStyle() const
 104     {
 105          return (wxGenericFileButton::GetDialogStyle() &
 106                      ~(wxFD_SAVE | wxFD_OVERWRITE_PROMPT)) | wxFD_OPEN;
 107     }
 108
 109     virtual void SetPath(const wxString &str);
 110
 111     // see macro defined above
 112     FILEDIRBTN_OVERRIDES
 113
 114 protected:
 115     wxDialog *m_dialog;
 116
 117     DECLARE_DYNAMIC_CLASS(wxFileButton)
 118 };
 119
 120
 121 //-----------------------------------------------------------------------------
 122 // wxDirButton
 123 //-----------------------------------------------------------------------------
 124
 125 class WXDLLIMPEXP_CORE wxDirButton : public wxGenericDirButton
 126 {
 127 public:
 128     wxDirButton() { Init(); }
 129     wxDirButton(wxWindow *parent,
 130                 wxWindowID id,
 131                 const wxString& label = wxFilePickerWidgetLabel,
 132                 const wxString &path = wxEmptyString,
 133                 const wxString &message = wxFileSelectorPromptStr,
 134                 const wxPoint& pos = wxDefaultPosition,
 135                 const wxSize& size = wxDefaultSize,
 136                 long style = wxDIRBTN_DEFAULT_STYLE,
 137                 const wxValidator& validator = wxDefaultValidator,
 138                 const wxString& name = wxFilePickerWidgetNameStr)
 139     {
 140         Init();
 141
 142         Create(parent, id, label, path, message, wxEmptyString,
 143                 pos, size, style, validator, name);
 144     }
 145
 146     virtual ~wxDirButton();
 147
 148
 149 public:     // overrides
 150
 151     bool Create(wxWindow *parent,
 152                 wxWindowID id,
 153                 const wxString& label = wxFilePickerWidgetLabel,
 154                 const wxString &path = wxEmptyString,
 155                 const wxString &message = wxFileSelectorPromptStr,
 156                 const wxString &wildcard = wxFileSelectorDefaultWildcardStr,
 157                 const wxPoint& pos = wxDefaultPosition,
 158                 const wxSize& size = wxDefaultSize,
 159                 long style = 0,
 160                 const wxValidator& validator = wxDefaultValidator,
 161                 const wxString& name = wxFilePickerWidgetNameStr);
 162
 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     virtual void SetPath(const wxString &str);
 172
 173     // see macro defined above
 174     FILEDIRBTN_OVERRIDES
 175
 176 protected:
 177     // common part of all ctors
 178     void Init()
 179     {
 180         m_dialog = NULL;
 181         m_bIgnoreNextChange = false;
 182     }
 183
 184     wxDialog *m_dialog;
 185
 186 public:    // used by the GTK callback only
 187
 188     bool m_bIgnoreNextChange;
 189
 190     void UpdatePath(const char *gtkpath)
 191         { m_path = wxString::FromAscii(gtkpath); }
 192
 193 private:
 194     DECLARE_DYNAMIC_CLASS(wxDirButton)
 195 };
 196
 197 #undef FILEDIRBTN_OVERRIDES
 198
 199 #endif // _WX_GTK_FILEPICKER_H_
 200