1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/filepicker.cpp
3 // Purpose: implementation of wxFileButton and wxDirButton
4 // Author: Francesco Montorsi
8 // Copyright: (c) Francesco Montorsi
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
13 // ----------------------------------------------------------------------------
15 // ----------------------------------------------------------------------------
17 // For compilers that support precompilation, includes "wx.h".
18 #include "wx/wxprec.h"
20 #if wxUSE_FILEPICKERCTRL
22 #include "wx/filepicker.h"
23 #include "wx/tooltip.h"
26 #include "wx/gtk/private.h"
28 // ============================================================================
30 // ============================================================================
32 //-----------------------------------------------------------------------------
34 //-----------------------------------------------------------------------------
36 IMPLEMENT_DYNAMIC_CLASS(wxFileButton
, wxButton
)
38 bool wxFileButton::Create( wxWindow
*parent
, wxWindowID id
,
39 const wxString
&label
, const wxString
&path
,
40 const wxString
&message
, const wxString
&wildcard
,
41 const wxPoint
&pos
, const wxSize
&size
,
42 long style
, const wxValidator
& validator
,
43 const wxString
&name
)
45 // we can't use the native button for wxFLP_SAVE pickers as it can only
46 // open existing files and there is no way to create a new file using it
47 if (!(style
& wxFLP_SAVE
) && !(style
& wxFLP_USE_TEXTCTRL
))
49 // VERY IMPORTANT: this code is identical to relative code in wxDirButton;
50 // if you find a problem here, fix it also in wxDirButton !
52 if (!PreCreation( parent
, pos
, size
) ||
53 !wxControl::CreateBase(parent
, id
, pos
, size
, style
& wxWINDOW_STYLE_MASK
,
56 wxFAIL_MSG( wxT("wxFileButton creation failed") );
60 // create the dialog associated with this button
61 // NB: unlike generic implementation, native GTK implementation needs to create
62 // the filedialog here as it needs to use gtk_file_chooser_button_new_with_dialog()
63 SetWindowStyle(style
);
66 m_wildcard
= wildcard
;
67 if ((m_dialog
= CreateDialog()) == NULL
)
70 // little trick used to avoid problems when there are other GTK windows 'grabbed':
71 // GtkFileChooserDialog won't be responsive to user events if there is another
72 // window which called gtk_grab_add (and this happens if e.g. a wxDialog is running
73 // in modal mode in the application - see wxDialogGTK::ShowModal).
74 // An idea could be to put the grab on the m_dialog->m_widget when the GtkFileChooserButton
75 // is clicked and then remove it as soon as the user closes the dialog itself.
76 // Unfortunately there's no way to hook in the 'clicked' event of the GtkFileChooserButton,
77 // thus we add grab on m_dialog->m_widget when it's shown and remove it when it's
78 // hidden simply using its "show" and "hide" events - clean & simple :)
79 g_signal_connect(m_dialog
->m_widget
, "show", G_CALLBACK(gtk_grab_add
), NULL
);
80 g_signal_connect(m_dialog
->m_widget
, "hide", G_CALLBACK(gtk_grab_remove
), NULL
);
82 // use as label the currently selected file
83 m_widget
= gtk_file_chooser_button_new_with_dialog( m_dialog
->m_widget
);
84 g_object_ref(m_widget
);
86 // we need to know when the dialog has been dismissed clicking OK...
87 // NOTE: the "clicked" signal is not available for a GtkFileChooserButton
88 // thus we are forced to use wxFileDialog's event
89 m_dialog
->Connect(wxEVT_BUTTON
,
90 wxCommandEventHandler(wxFileButton::OnDialogOK
),
93 m_parent
->DoAddChild( this );
99 return wxGenericFileButton::Create(parent
, id
, label
, path
, message
, wildcard
,
100 pos
, size
, style
, validator
, name
);
104 wxFileButton::~wxFileButton()
109 void wxFileButton::OnDialogOK(wxCommandEvent
& ev
)
111 // the wxFileDialog associated with the GtkFileChooserButton has been closed
112 // using the OK button, thus the selected file has changed...
113 if (ev
.GetId() == wxID_OK
)
115 // ...update our path
116 UpdatePathFromDialog(m_dialog
);
118 // ...and fire an event
119 wxFileDirPickerEvent
event(wxEVT_FILEPICKER_CHANGED
, this, GetId(), m_path
);
120 HandleWindowEvent(event
);
124 void wxFileButton::SetPath(const wxString
&str
)
129 UpdateDialogPath(m_dialog
);
132 void wxFileButton::SetInitialDirectory(const wxString
& dir
)
136 // Only change the directory if the default file name doesn't have any
137 // directory in it, otherwise it takes precedence.
138 if ( m_path
.find_first_of(wxFileName::GetPathSeparators()) ==
141 static_cast<wxFileDialog
*>(m_dialog
)->SetDirectory(dir
);
145 wxGenericFileButton::SetInitialDirectory(dir
);
148 #endif // wxUSE_FILEPICKERCTRL
150 #if wxUSE_DIRPICKERCTRL
153 #include <unistd.h> // chdir
156 //-----------------------------------------------------------------------------
157 // "current-folder-changed"
158 //-----------------------------------------------------------------------------
161 static void gtk_dirbutton_currentfolderchanged_callback(GtkFileChooserButton
*widget
,
164 // update the m_path member of the wxDirButtonGTK
165 // unless the path was changed by wxDirButton::SetPath()
166 if (p
->m_bIgnoreNextChange
)
168 p
->m_bIgnoreNextChange
=false;
173 // NB: it's important to use gtk_file_chooser_get_filename instead of
174 // gtk_file_chooser_get_current_folder (see GTK docs) !
175 wxGtkString
filename(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget
)));
176 p
->GTKUpdatePath(filename
);
178 // since GtkFileChooserButton when used to pick directories also uses a combobox,
179 // maybe that the current folder has been changed but not through the GtkFileChooserDialog
180 // and thus the 'gtk_filedialog_ok_callback' could have not been called...
181 // thus we need to make sure the current working directory is updated if wxDIRP_CHANGE_DIR
183 if (p
->HasFlag(wxDIRP_CHANGE_DIR
))
186 // ...and fire an event
187 wxFileDirPickerEvent
event(wxEVT_DIRPICKER_CHANGED
, p
, p
->GetId(), p
->GetPath());
188 p
->HandleWindowEvent(event
);
193 //-----------------------------------------------------------------------------
195 //-----------------------------------------------------------------------------
197 IMPLEMENT_DYNAMIC_CLASS(wxDirButton
, wxButton
)
199 bool wxDirButton::Create( wxWindow
*parent
, wxWindowID id
,
200 const wxString
&label
, const wxString
&path
,
201 const wxString
&message
, const wxString
&wildcard
,
202 const wxPoint
&pos
, const wxSize
&size
,
203 long style
, const wxValidator
& validator
,
204 const wxString
&name
)
206 if (!(style
& wxDIRP_USE_TEXTCTRL
))
208 // VERY IMPORTANT: this code is identic to relative code in wxFileButton;
209 // if you find a problem here, fix it also in wxFileButton !
211 if (!PreCreation( parent
, pos
, size
) ||
212 !wxControl::CreateBase(parent
, id
, pos
, size
, style
& wxWINDOW_STYLE_MASK
,
215 wxFAIL_MSG( wxT("wxDirButtonGTK creation failed") );
219 // create the dialog associated with this button
220 SetWindowStyle(style
);
222 m_wildcard
= wildcard
;
223 if ((m_dialog
= CreateDialog()) == NULL
)
227 // little trick used to avoid problems when there are other GTK windows 'grabbed':
228 // GtkFileChooserDialog won't be responsive to user events if there is another
229 // window which called gtk_grab_add (and this happens if e.g. a wxDialog is running
230 // in modal mode in the application - see wxDialogGTK::ShowModal).
231 // An idea could be to put the grab on the m_dialog->m_widget when the GtkFileChooserButton
232 // is clicked and then remove it as soon as the user closes the dialog itself.
233 // Unfortunately there's no way to hook in the 'clicked' event of the GtkFileChooserButton,
234 // thus we add grab on m_dialog->m_widget when it's shown and remove it when it's
235 // hidden simply using its "show" and "hide" events - clean & simple :)
236 g_signal_connect(m_dialog
->m_widget
, "show", G_CALLBACK(gtk_grab_add
), NULL
);
237 g_signal_connect(m_dialog
->m_widget
, "hide", G_CALLBACK(gtk_grab_remove
), NULL
);
240 // NOTE: we deliberately ignore the given label as GtkFileChooserButton
241 // use as label the currently selected file
242 m_widget
= gtk_file_chooser_button_new_with_dialog( m_dialog
->m_widget
);
243 g_object_ref(m_widget
);
245 // GtkFileChooserButton signals
246 g_signal_connect(m_widget
, "current-folder-changed",
247 G_CALLBACK(gtk_dirbutton_currentfolderchanged_callback
), this);
249 m_parent
->DoAddChild( this );
252 SetInitialSize(size
);
255 return wxGenericDirButton::Create(parent
, id
, label
, path
, message
, wildcard
,
256 pos
, size
, style
, validator
, name
);
260 wxDirButton::~wxDirButton()
265 void wxDirButton::GTKUpdatePath(const char *gtkpath
)
267 m_path
= wxString::FromUTF8(gtkpath
);
269 void wxDirButton::SetPath(const wxString
& str
)
273 // don't do anything and especially don't set m_bIgnoreNextChange
279 // wxDirButton uses the "current-folder-changed" signal which is triggered also
280 // when we set the path on the dialog associated with this button; thus we need
281 // to set the following flag to avoid sending a wxFileDirPickerEvent from this
282 // function (which would be inconsistent with wxFileButton's behaviour and in
283 // general with all wxWidgets control-manipulation functions which do not send events).
284 m_bIgnoreNextChange
= true;
287 UpdateDialogPath(m_dialog
);
290 void wxDirButton::SetInitialDirectory(const wxString
& dir
)
295 static_cast<wxDirDialog
*>(m_dialog
)->SetPath(dir
);
298 wxGenericDirButton::SetInitialDirectory(dir
);
301 #endif // wxUSE_DIRPICKERCTRL