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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 <gtk/gtk.h> | |
26 | ||
27 | ||
28 | ||
29 | // ============================================================================ | |
30 | // implementation | |
31 | // ============================================================================ | |
32 | ||
33 | //----------------------------------------------------------------------------- | |
34 | // wxFileButton | |
35 | //----------------------------------------------------------------------------- | |
36 | ||
37 | IMPLEMENT_DYNAMIC_CLASS(wxFileButton, wxButton) | |
38 | ||
39 | bool wxFileButton::Create( wxWindow *parent, wxWindowID id, | |
40 | const wxString &label, const wxString &path, | |
41 | const wxString &message, const wxString &wildcard, | |
42 | const wxPoint &pos, const wxSize &size, | |
43 | long style, const wxValidator& validator, | |
44 | const wxString &name ) | |
45 | { | |
46 | if (!gtk_check_version(2,6,0)) | |
47 | { | |
48 | // VERY IMPORTANT: this code is identic to relative code in wxDirButton; | |
49 | // if you find a problem here, fix it also in wxDirButton ! | |
50 | ||
51 | m_needParent = true; | |
52 | m_acceptsFocus = true; | |
53 | ||
54 | if (!PreCreation( parent, pos, size ) || | |
55 | !wxControl::CreateBase(parent, id, pos, size, style & wxWINDOW_STYLE_MASK, | |
56 | validator, name)) | |
57 | { | |
58 | wxFAIL_MSG( wxT("wxFileButton creation failed") ); | |
59 | return false; | |
60 | } | |
61 | ||
62 | // create the dialog associated with this button | |
63 | // NB: unlike generic implementation, native GTK implementation needs to create | |
64 | // the filedialog here as it needs to use gtk_file_chooser_button_new_with_dialog() | |
65 | SetWindowStyle(style); | |
66 | m_path = path; | |
67 | m_message = message; | |
68 | m_wildcard = wildcard; | |
69 | if ((m_dialog = CreateDialog()) == NULL) | |
70 | return false; | |
71 | ||
72 | // little trick used to avoid problems when there are other GTK windows 'grabbed': | |
73 | // GtkFileChooserDialog won't be responsive to user events if there is another | |
74 | // window which called gtk_grab_add (and this happens if e.g. a wxDialog is running | |
75 | // in modal mode in the application - see wxDialogGTK::ShowModal). | |
76 | // An idea could be to put the grab on the m_dialog->m_widget when the GtkFileChooserButton | |
77 | // is clicked and then remove it as soon as the user closes the dialog itself. | |
78 | // Unfortunately there's no way to hook in the 'clicked' event of the GtkFileChooserButton, | |
79 | // thus we add grab on m_dialog->m_widget when it's shown and remove it when it's | |
80 | // hidden simply using its "show" and "hide" events - clean & simple :) | |
81 | g_signal_connect(m_dialog->m_widget, "show", G_CALLBACK(gtk_grab_add), NULL); | |
82 | g_signal_connect(m_dialog->m_widget, "hide", G_CALLBACK(gtk_grab_remove), NULL); | |
83 | ||
84 | // NOTE: we deliberately ignore the given label as GtkFileChooserButton | |
85 | // use as label the currently selected file | |
86 | m_widget = gtk_file_chooser_button_new_with_dialog( m_dialog->m_widget ); | |
87 | gtk_widget_show( GTK_WIDGET(m_widget) ); | |
88 | ||
89 | // we need to know when the dialog has been dismissed clicking OK... | |
90 | // NOTE: the "clicked" signal is not available for a GtkFileChooserButton | |
91 | // thus we are forced to use wxFileDialog's event | |
92 | m_dialog->Connect(wxEVT_COMMAND_BUTTON_CLICKED, | |
93 | wxCommandEventHandler(wxFileButton::OnDialogOK), | |
94 | NULL, this); | |
95 | ||
96 | m_parent->DoAddChild( this ); | |
97 | ||
98 | PostCreation(size); | |
99 | SetBestSize(size); | |
100 | } | |
101 | else | |
102 | return wxGenericFileButton::Create(parent, id, label, path, message, wildcard, | |
103 | pos, size, style, validator, name); | |
104 | return true; | |
105 | } | |
106 | ||
107 | wxFileButton::~wxFileButton() | |
108 | { | |
109 | // GtkFileChooserButton will automatically destroy the | |
110 | // GtkFileChooserDialog associated with m_dialog. | |
111 | // Thus we have to set its m_widget to NULL to avoid | |
112 | // double destruction on same widget | |
113 | m_dialog->m_widget = NULL; | |
114 | } | |
115 | ||
116 | void wxFileButton::OnDialogOK(wxCommandEvent& ev) | |
117 | { | |
118 | // the wxFileDialog associated with the GtkFileChooserButton has been closed | |
119 | // using the OK button, thus the selected file has changed... | |
120 | if (ev.GetId() == wxID_OK) | |
121 | { | |
122 | // ...update our path | |
123 | UpdatePathFromDialog(m_dialog); | |
124 | ||
125 | // ...and fire an event | |
126 | wxFileDirPickerEvent event(wxEVT_COMMAND_FILEPICKER_CHANGED, this, GetId(), m_path); | |
127 | GetEventHandler()->ProcessEvent(event); | |
128 | } | |
129 | } | |
130 | ||
131 | void wxFileButton::SetPath(const wxString &str) | |
132 | { | |
133 | m_path = str; | |
134 | UpdateDialogPath(m_dialog); | |
135 | } | |
136 | ||
137 | #endif // wxUSE_FILEPICKERCTRL && defined(__WXGTK26__) | |
138 | ||
139 | ||
140 | ||
141 | ||
142 | #if wxUSE_DIRPICKERCTRL && defined(__WXGTK26__) | |
143 | ||
144 | #include <unistd.h> // chdir | |
145 | ||
146 | //----------------------------------------------------------------------------- | |
147 | // "current-folder-changed" | |
148 | //----------------------------------------------------------------------------- | |
149 | ||
150 | extern "C" { | |
151 | static void gtk_dirbutton_currentfolderchanged_callback(GtkFileChooserButton *widget, | |
152 | wxDirButton *p) | |
153 | { | |
154 | // update the m_path member of the wxDirButtonGTK | |
155 | // unless the path was changed by wxDirButton::SetPath() | |
156 | if (p->m_bIgnoreNextChange) | |
157 | { | |
158 | p->m_bIgnoreNextChange=false; | |
159 | return; | |
160 | } | |
161 | wxASSERT(p); | |
162 | ||
163 | // NB: it's important to use gtk_file_chooser_get_filename instead of | |
164 | // gtk_file_chooser_get_current_folder (see GTK docs) ! | |
165 | gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget)); | |
166 | p->UpdatePath(filename); | |
167 | ||
168 | // since GtkFileChooserButton when used to pick directories also uses a combobox, | |
169 | // maybe that the current folder has been changed but not through the GtkFileChooserDialog | |
170 | // and thus the 'gtk_filedialog_ok_callback' could have not been called... | |
171 | // thus we need to make sure the current working directory is updated if wxDIRP_CHANGE_DIR | |
172 | // style was given. | |
173 | if (p->HasFlag(wxDIRP_CHANGE_DIR)) | |
174 | chdir(filename); | |
175 | g_free(filename); | |
176 | ||
177 | // ...and fire an event | |
178 | wxFileDirPickerEvent event(wxEVT_COMMAND_DIRPICKER_CHANGED, p, p->GetId(), p->GetPath()); | |
179 | p->GetEventHandler()->ProcessEvent(event); | |
180 | } | |
181 | } | |
182 | ||
183 | ||
184 | //----------------------------------------------------------------------------- | |
185 | // wxDirButtonGTK | |
186 | //----------------------------------------------------------------------------- | |
187 | ||
188 | IMPLEMENT_DYNAMIC_CLASS(wxDirButton, wxButton) | |
189 | ||
190 | bool wxDirButton::Create( wxWindow *parent, wxWindowID id, | |
191 | const wxString &label, const wxString &path, | |
192 | const wxString &message, const wxString &wildcard, | |
193 | const wxPoint &pos, const wxSize &size, | |
194 | long style, const wxValidator& validator, | |
195 | const wxString &name ) | |
196 | { | |
197 | if (!gtk_check_version(2,6,0)) | |
198 | { | |
199 | // VERY IMPORTANT: this code is identic to relative code in wxFileButton; | |
200 | // if you find a problem here, fix it also in wxFileButton ! | |
201 | ||
202 | m_needParent = true; | |
203 | m_acceptsFocus = true; | |
204 | ||
205 | if (!PreCreation( parent, pos, size ) || | |
206 | !wxControl::CreateBase(parent, id, pos, size, style & wxWINDOW_STYLE_MASK, | |
207 | validator, name)) | |
208 | { | |
209 | wxFAIL_MSG( wxT("wxDirButtonGTK creation failed") ); | |
210 | return false; | |
211 | } | |
212 | ||
213 | // create the dialog associated with this button | |
214 | SetWindowStyle(style); | |
215 | m_message = message; | |
216 | m_wildcard = wildcard; | |
217 | if ((m_dialog = CreateDialog()) == NULL) | |
218 | return false; | |
219 | SetPath(path); | |
220 | ||
221 | // little trick used to avoid problems when there are other GTK windows 'grabbed': | |
222 | // GtkFileChooserDialog won't be responsive to user events if there is another | |
223 | // window which called gtk_grab_add (and this happens if e.g. a wxDialog is running | |
224 | // in modal mode in the application - see wxDialogGTK::ShowModal). | |
225 | // An idea could be to put the grab on the m_dialog->m_widget when the GtkFileChooserButton | |
226 | // is clicked and then remove it as soon as the user closes the dialog itself. | |
227 | // Unfortunately there's no way to hook in the 'clicked' event of the GtkFileChooserButton, | |
228 | // thus we add grab on m_dialog->m_widget when it's shown and remove it when it's | |
229 | // hidden simply using its "show" and "hide" events - clean & simple :) | |
230 | g_signal_connect(m_dialog->m_widget, "show", G_CALLBACK(gtk_grab_add), NULL); | |
231 | g_signal_connect(m_dialog->m_widget, "hide", G_CALLBACK(gtk_grab_remove), NULL); | |
232 | ||
233 | ||
234 | // NOTE: we deliberately ignore the given label as GtkFileChooserButton | |
235 | // use as label the currently selected file | |
236 | m_widget = gtk_file_chooser_button_new_with_dialog( m_dialog->m_widget ); | |
237 | ||
238 | gtk_widget_show( GTK_WIDGET(m_widget) ); | |
239 | ||
240 | // GtkFileChooserButton signals | |
241 | g_signal_connect(m_widget, "current-folder-changed", | |
242 | G_CALLBACK(gtk_dirbutton_currentfolderchanged_callback), this); | |
243 | ||
244 | m_parent->DoAddChild( this ); | |
245 | ||
246 | PostCreation(size); | |
247 | SetBestSize(size); | |
248 | } | |
249 | else | |
250 | return wxGenericDirButton::Create(parent, id, label, path, message, wildcard, | |
251 | pos, size, style, validator, name); | |
252 | return true; | |
253 | } | |
254 | ||
255 | wxDirButton::~wxDirButton() | |
256 | { | |
257 | // GtkFileChooserButton will automatically destroy the | |
258 | // GtkFileChooserDialog associated with m_dialog. | |
259 | // Thus we have to set its m_widget to NULL to avoid | |
260 | // double destruction on same widget | |
261 | m_dialog->m_widget = NULL; | |
262 | } | |
263 | ||
264 | void wxDirButton::SetPath(const wxString &str) | |
265 | { | |
266 | m_path = str; | |
267 | ||
268 | // wxDirButton uses the "current-folder-changed" signal which is triggered also | |
269 | // when we set the path on the dialog associated with this button; thus we need | |
270 | // to set the following flag to avoid sending a wxFileDirPickerEvent from this | |
271 | // function (which would be inconsistent with wxFileButton's behaviour and in | |
272 | // general with all wxWidgets control-manipulation functions which do not send events). | |
273 | m_bIgnoreNextChange = true; | |
274 | ||
275 | UpdateDialogPath(m_dialog); | |
276 | } | |
277 | ||
278 | #endif // wxUSE_DIRPICKERCTRL && defined(__WXGTK26__) |