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