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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/gtk/filepicker.cpp | |
3 | // Purpose: implementation of wxFileButton and wxDirButton | |
4 | // Author: Francesco Montorsi | |
5 | // Modified By: | |
6 | // Created: 15/04/2006 | |
7 | // Id: $Id$ | |
8 | // Copyright: (c) Francesco Montorsi | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | ||
13 | // ---------------------------------------------------------------------------- | |
14 | // headers | |
15 | // ---------------------------------------------------------------------------- | |
16 | ||
17 | // For compilers that support precompilation, includes "wx.h". | |
18 | #include "wx/wxprec.h" | |
19 | ||
20 | #if wxUSE_FILEPICKERCTRL && defined(__WXGTK26__) | |
21 | ||
22 | #include "wx/filepicker.h" | |
23 | #include "wx/tooltip.h" | |
24 | ||
25 | #include "wx/gtk/private.h" | |
26 | ||
27 | // ============================================================================ | |
28 | // implementation | |
29 | // ============================================================================ | |
30 | ||
31 | //----------------------------------------------------------------------------- | |
32 | // wxFileButton | |
33 | //----------------------------------------------------------------------------- | |
34 | ||
35 | IMPLEMENT_DYNAMIC_CLASS(wxFileButton, wxButton) | |
36 | ||
37 | bool wxFileButton::Create( wxWindow *parent, wxWindowID id, | |
38 | const wxString &label, const wxString &path, | |
39 | const wxString &message, const wxString &wildcard, | |
40 | const wxPoint &pos, const wxSize &size, | |
41 | long style, const wxValidator& validator, | |
42 | const wxString &name ) | |
43 | { | |
44 | if (!gtk_check_version(2,6,0)) | |
45 | { | |
46 | // VERY IMPORTANT: this code is identic to relative code in wxDirButton; | |
47 | // if you find a problem here, fix it also in wxDirButton ! | |
48 | ||
49 | if (!PreCreation( parent, pos, size ) || | |
50 | !wxControl::CreateBase(parent, id, pos, size, style & wxWINDOW_STYLE_MASK, | |
51 | validator, name)) | |
52 | { | |
53 | wxFAIL_MSG( wxT("wxFileButton creation failed") ); | |
54 | return false; | |
55 | } | |
56 | ||
57 | // create the dialog associated with this button | |
58 | // NB: unlike generic implementation, native GTK implementation needs to create | |
59 | // the filedialog here as it needs to use gtk_file_chooser_button_new_with_dialog() | |
60 | SetWindowStyle(style); | |
61 | m_path = path; | |
62 | m_message = message; | |
63 | m_wildcard = wildcard; | |
64 | if ((m_dialog = CreateDialog()) == NULL) | |
65 | return false; | |
66 | ||
67 | // little trick used to avoid problems when there are other GTK windows 'grabbed': | |
68 | // GtkFileChooserDialog won't be responsive to user events if there is another | |
69 | // window which called gtk_grab_add (and this happens if e.g. a wxDialog is running | |
70 | // in modal mode in the application - see wxDialogGTK::ShowModal). | |
71 | // An idea could be to put the grab on the m_dialog->m_widget when the GtkFileChooserButton | |
72 | // is clicked and then remove it as soon as the user closes the dialog itself. | |
73 | // Unfortunately there's no way to hook in the 'clicked' event of the GtkFileChooserButton, | |
74 | // thus we add grab on m_dialog->m_widget when it's shown and remove it when it's | |
75 | // hidden simply using its "show" and "hide" events - clean & simple :) | |
76 | g_signal_connect(m_dialog->m_widget, "show", G_CALLBACK(gtk_grab_add), NULL); | |
77 | g_signal_connect(m_dialog->m_widget, "hide", G_CALLBACK(gtk_grab_remove), NULL); | |
78 | ||
79 | // NOTE: we deliberately ignore the given label as GtkFileChooserButton | |
80 | // use as label the currently selected file | |
81 | m_widget = gtk_file_chooser_button_new_with_dialog( m_dialog->m_widget ); | |
82 | gtk_widget_show(m_widget); | |
83 | ||
84 | // we need to know when the dialog has been dismissed clicking OK... | |
85 | // NOTE: the "clicked" signal is not available for a GtkFileChooserButton | |
86 | // thus we are forced to use wxFileDialog's event | |
87 | m_dialog->Connect(wxEVT_COMMAND_BUTTON_CLICKED, | |
88 | wxCommandEventHandler(wxFileButton::OnDialogOK), | |
89 | NULL, this); | |
90 | ||
91 | m_parent->DoAddChild( this ); | |
92 | ||
93 | PostCreation(size); | |
94 | SetInitialSize(size); | |
95 | } | |
96 | else | |
97 | return wxGenericFileButton::Create(parent, id, label, path, message, wildcard, | |
98 | pos, size, style, validator, name); | |
99 | return true; | |
100 | } | |
101 | ||
102 | wxFileButton::~wxFileButton() | |
103 | { | |
104 | // GtkFileChooserButton will automatically destroy the | |
105 | // GtkFileChooserDialog associated with m_dialog. | |
106 | // Thus we have to set its m_widget to NULL to avoid | |
107 | // double destruction on same widget | |
108 | if (m_dialog) | |
109 | m_dialog->m_widget = NULL; | |
110 | } | |
111 | ||
112 | void wxFileButton::OnDialogOK(wxCommandEvent& ev) | |
113 | { | |
114 | // the wxFileDialog associated with the GtkFileChooserButton has been closed | |
115 | // using the OK button, thus the selected file has changed... | |
116 | if (ev.GetId() == wxID_OK) | |
117 | { | |
118 | // ...update our path | |
119 | UpdatePathFromDialog(m_dialog); | |
120 | ||
121 | // ...and fire an event | |
122 | wxFileDirPickerEvent event(wxEVT_COMMAND_FILEPICKER_CHANGED, this, GetId(), m_path); | |
123 | GetEventHandler()->ProcessEvent(event); | |
124 | } | |
125 | } | |
126 | ||
127 | void wxFileButton::SetPath(const wxString &str) | |
128 | { | |
129 | m_path = str; | |
130 | if (m_dialog) | |
131 | UpdateDialogPath(m_dialog); | |
132 | } | |
133 | ||
134 | #endif // wxUSE_FILEPICKERCTRL && defined(__WXGTK26__) | |
135 | ||
136 | ||
137 | ||
138 | ||
139 | #if wxUSE_DIRPICKERCTRL && defined(__WXGTK26__) | |
140 | ||
141 | #include <unistd.h> // chdir | |
142 | ||
143 | //----------------------------------------------------------------------------- | |
144 | // "current-folder-changed" | |
145 | //----------------------------------------------------------------------------- | |
146 | ||
147 | extern "C" { | |
148 | static void gtk_dirbutton_currentfolderchanged_callback(GtkFileChooserButton *widget, | |
149 | wxDirButton *p) | |
150 | { | |
151 | // update the m_path member of the wxDirButtonGTK | |
152 | // unless the path was changed by wxDirButton::SetPath() | |
153 | if (p->m_bIgnoreNextChange) | |
154 | { | |
155 | p->m_bIgnoreNextChange=false; | |
156 | return; | |
157 | } | |
158 | wxASSERT(p); | |
159 | ||
160 | // NB: it's important to use gtk_file_chooser_get_filename instead of | |
161 | // gtk_file_chooser_get_current_folder (see GTK docs) ! | |
162 | wxGtkString filename(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget))); | |
163 | p->UpdatePath(filename); | |
164 | ||
165 | // since GtkFileChooserButton when used to pick directories also uses a combobox, | |
166 | // maybe that the current folder has been changed but not through the GtkFileChooserDialog | |
167 | // and thus the 'gtk_filedialog_ok_callback' could have not been called... | |
168 | // thus we need to make sure the current working directory is updated if wxDIRP_CHANGE_DIR | |
169 | // style was given. | |
170 | if (p->HasFlag(wxDIRP_CHANGE_DIR)) | |
171 | chdir(filename); | |
172 | ||
173 | // ...and fire an event | |
174 | wxFileDirPickerEvent event(wxEVT_COMMAND_DIRPICKER_CHANGED, p, p->GetId(), p->GetPath()); | |
175 | p->GetEventHandler()->ProcessEvent(event); | |
176 | } | |
177 | } | |
178 | ||
179 | ||
180 | //----------------------------------------------------------------------------- | |
181 | // wxDirButtonGTK | |
182 | //----------------------------------------------------------------------------- | |
183 | ||
184 | IMPLEMENT_DYNAMIC_CLASS(wxDirButton, wxButton) | |
185 | ||
186 | bool wxDirButton::Create( wxWindow *parent, wxWindowID id, | |
187 | const wxString &label, const wxString &path, | |
188 | const wxString &message, const wxString &wildcard, | |
189 | const wxPoint &pos, const wxSize &size, | |
190 | long style, const wxValidator& validator, | |
191 | const wxString &name ) | |
192 | { | |
193 | if (!gtk_check_version(2,6,0)) | |
194 | { | |
195 | // VERY IMPORTANT: this code is identic to relative code in wxFileButton; | |
196 | // if you find a problem here, fix it also in wxFileButton ! | |
197 | ||
198 | if (!PreCreation( parent, pos, size ) || | |
199 | !wxControl::CreateBase(parent, id, pos, size, style & wxWINDOW_STYLE_MASK, | |
200 | validator, name)) | |
201 | { | |
202 | wxFAIL_MSG( wxT("wxDirButtonGTK creation failed") ); | |
203 | return false; | |
204 | } | |
205 | ||
206 | // create the dialog associated with this button | |
207 | SetWindowStyle(style); | |
208 | m_message = message; | |
209 | m_wildcard = wildcard; | |
210 | if ((m_dialog = CreateDialog()) == NULL) | |
211 | return false; | |
212 | SetPath(path); | |
213 | ||
214 | // little trick used to avoid problems when there are other GTK windows 'grabbed': | |
215 | // GtkFileChooserDialog won't be responsive to user events if there is another | |
216 | // window which called gtk_grab_add (and this happens if e.g. a wxDialog is running | |
217 | // in modal mode in the application - see wxDialogGTK::ShowModal). | |
218 | // An idea could be to put the grab on the m_dialog->m_widget when the GtkFileChooserButton | |
219 | // is clicked and then remove it as soon as the user closes the dialog itself. | |
220 | // Unfortunately there's no way to hook in the 'clicked' event of the GtkFileChooserButton, | |
221 | // thus we add grab on m_dialog->m_widget when it's shown and remove it when it's | |
222 | // hidden simply using its "show" and "hide" events - clean & simple :) | |
223 | g_signal_connect(m_dialog->m_widget, "show", G_CALLBACK(gtk_grab_add), NULL); | |
224 | g_signal_connect(m_dialog->m_widget, "hide", G_CALLBACK(gtk_grab_remove), NULL); | |
225 | ||
226 | ||
227 | // NOTE: we deliberately ignore the given label as GtkFileChooserButton | |
228 | // use as label the currently selected file | |
229 | m_widget = gtk_file_chooser_button_new_with_dialog( m_dialog->m_widget ); | |
230 | ||
231 | gtk_widget_show(m_widget); | |
232 | ||
233 | // GtkFileChooserButton signals | |
234 | g_signal_connect(m_widget, "current-folder-changed", | |
235 | G_CALLBACK(gtk_dirbutton_currentfolderchanged_callback), this); | |
236 | ||
237 | m_parent->DoAddChild( this ); | |
238 | ||
239 | PostCreation(size); | |
240 | SetInitialSize(size); | |
241 | } | |
242 | else | |
243 | return wxGenericDirButton::Create(parent, id, label, path, message, wildcard, | |
244 | pos, size, style, validator, name); | |
245 | return true; | |
246 | } | |
247 | ||
248 | wxDirButton::~wxDirButton() | |
249 | { | |
250 | // GtkFileChooserButton will automatically destroy the | |
251 | // GtkFileChooserDialog associated with m_dialog. | |
252 | // Thus we have to set its m_widget to NULL to avoid | |
253 | // double destruction on same widget | |
254 | if (m_dialog) | |
255 | m_dialog->m_widget = NULL; | |
256 | } | |
257 | ||
258 | void wxDirButton::SetPath(const wxString &str) | |
259 | { | |
260 | m_path = str; | |
261 | ||
262 | // wxDirButton uses the "current-folder-changed" signal which is triggered also | |
263 | // when we set the path on the dialog associated with this button; thus we need | |
264 | // to set the following flag to avoid sending a wxFileDirPickerEvent from this | |
265 | // function (which would be inconsistent with wxFileButton's behaviour and in | |
266 | // general with all wxWidgets control-manipulation functions which do not send events). | |
267 | m_bIgnoreNextChange = true; | |
268 | ||
269 | if (m_dialog) | |
270 | UpdateDialogPath(m_dialog); | |
271 | } | |
272 | ||
273 | #endif // wxUSE_DIRPICKERCTRL && defined(__WXGTK26__) |