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         if (m_dialog)                                                         \
  40             m_dialog->Destroy();                                              \
  41         return wxButton::Destroy();                                           \
  42     }                                                                         \
  43                                                                               \
  44     /* even if wx derive from wxGenericFileButton, i.e. from wxButton, our */ \
  45     /* native GTK+ widget does not derive from GtkButton thus *all* uses   */ \
  46     /* GTK_BUTTON(m_widget) macro done by wxButton must be bypassed to     */ \
  47     /* avoid bunch of GTK+ warnings like:                                  */ \
  48     /*      invalid cast from `GtkFileChooserButton' to  `GtkButton'       */ \
  49     /* so, override wxButton::GTKGetWindow and return NULL as GTK+ doesn't */ \
  50     /* give us access to the internal GdkWindow of a GtkFileChooserButton  */ \
  51 protected:                                                                    \
  52     virtual GdkWindow *                                                       \
  53     GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const                  \
  54         { return NULL; }
  55
  56
  57 //-----------------------------------------------------------------------------
  58 // wxFileButton
  59 //-----------------------------------------------------------------------------
  60
  61 class WXDLLIMPEXP_CORE wxFileButton : public wxGenericFileButton
  62 {
  63 public:
  64     wxFileButton() { m_dialog = NULL; }
  65     wxFileButton(wxWindow *parent,
  66                  wxWindowID id,
  67                  const wxString& label = wxFilePickerWidgetLabel,
  68                  const wxString &path = wxEmptyString,
  69                  const wxString &message = wxFileSelectorPromptStr,
  70                  const wxString &wildcard = wxFileSelectorDefaultWildcardStr,
  71                  const wxPoint& pos = wxDefaultPosition,
  72                  const wxSize& size = wxDefaultSize,
  73                  long style = wxFILEBTN_DEFAULT_STYLE,
  74                  const wxValidator& validator = wxDefaultValidator,
  75                  const wxString& name = wxFilePickerWidgetNameStr)
  76     {
  77         m_dialog = NULL;
  78         Create(parent, id, label, path, message, wildcard,
  79                pos, size, style, validator, name);
  80     }
  81
  82     virtual ~wxFileButton();
  83
  84
  85 public:     // overrides
  86
  87     bool Create(wxWindow *parent,
  88                 wxWindowID id,
  89                 const wxString& label = wxFilePickerWidgetLabel,
  90                 const wxString &path = wxEmptyString,
  91                 const wxString &message = wxFileSelectorPromptStr,
  92                 const wxString &wildcard = wxFileSelectorDefaultWildcardStr,
  93                 const wxPoint& pos = wxDefaultPosition,
  94                 const wxSize& size = wxDefaultSize,
  95                 long style = 0,
  96                 const wxValidator& validator = wxDefaultValidator,
  97                 const wxString& name = wxFilePickerWidgetNameStr);
  98
  99     // event handler for the click
 100     void OnDialogOK(wxCommandEvent &);
 101
 102     virtual void SetPath(const wxString &str);
 103
 104     // see macro defined above
 105     FILEDIRBTN_OVERRIDES
 106
 107 protected:
 108     virtual bool GTKShouldConnectSizeRequest() const { return false; }
 109
 110     wxDialog *m_dialog;
 111
 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 GTKUpdatePath(const char *gtkpath);
 186
 187 private:
 188     DECLARE_DYNAMIC_CLASS(wxDirButton)
 189 };
 190
 191 #undef FILEDIRBTN_OVERRIDES
 192
 193 #endif // _WX_GTK_FILEPICKER_H_
 194