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1 | /* | ||
2 | This file is part of the Opie Project | ||
3 | Copyright (C) Holger Freyther <zecke@handhelds.org> | ||
4 | =. | ||
5 | .=l. | ||
6 | .>+-= | ||
7 | _;:, .> :=|. This program is free software; you can | ||
8 | .> <`_, > . <= redistribute it and/or modify it under | ||
9 | :`=1 )Y*s>-.-- : the terms of the GNU Library General Public | ||
10 | .="- .-=="i, .._ License as published by the Free Software | ||
11 | - . .-<_> .<> Foundation; either version 2 of the License, | ||
12 | ._= =} : or (at your option) any later version. | ||
13 | .%`+i> _;_. | ||
14 | .i_,=:_. -<s. This program is distributed in the hope that | ||
15 | + . -:. = it will be useful, but WITHOUT ANY WARRANTY; | ||
16 | : .. .:, . . . without even the implied warranty of | ||
17 | =_ + =;=|` MERCHANTABILITY or FITNESS FOR A | ||
18 | _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU | ||
19 | ..}^=.= = ; Library General Public License for more | ||
20 | ++= -. .` .: details. | ||
21 | : = ...= . :.=- | ||
22 | -. .:....=;==+<; You should have received a copy of the GNU | ||
23 | -_. . . )=. = Library General Public License along with | ||
24 | -- :-=` this library; see the file COPYING.LIB. | ||
25 | If not, write to the Free Software Foundation, | ||
26 | Inc., 59 Temple Place - Suite 330, | ||
27 | Boston, MA 02111-1307, USA. | ||
28 | */ | ||
29 | |||
30 | /* | ||
31 | This work is derived from: | ||
32 | ---- | ||
33 | The Loki Library | ||
34 | Copyright (c) 2001 by Andrei Alexandrescu | ||
35 | This code accompanies the book: | ||
36 | Alexandrescu, Andrei. "Modern C++ Design: Generic Programming and Design | ||
37 | Patterns Applied". Copyright (c) 2001. Addison-Wesley. | ||
38 | Permission to use, copy, modify, distribute and sell this software for any | ||
39 | purpose is hereby granted without fee, provided that the above copyright | ||
40 | notice appear in all copies and that both that copyright notice and this | ||
41 | permission notice appear in supporting documentation. | ||
42 | The author or Addison-Welsey Longman make no representations about the | ||
43 | suitability of this software for any purpose. It is provided "as is" | ||
44 | without express or implied warranty. | ||
45 | ---- | ||
46 | |||
47 | And KGenericFactor et all from Simon Hausmann <tronical@kde.org> | ||
48 | |||
49 | */ | ||
50 | |||
51 | #include <qstring.h> | ||
52 | #include <qmetaobject.h> | ||
53 | |||
54 | #include <qtopia/qcom.h> | ||
55 | #include <qtopia/applicationinterface.h> | ||
56 | |||
57 | namespace Opie { | ||
58 | struct NullType; | ||
59 | |||
60 | template <class T, class U> | ||
61 | struct Typelist | ||
62 | { | ||
63 | typedef T Head; | ||
64 | typedef U Tail; | ||
65 | }; | ||
66 | template< | ||
67 | typename T1 = NullType, typename T2 = NullType, typename T3 = NullType, | ||
68 | typename T4 = NullType, typename T5 = NullType, typename T6 = NullType, | ||
69 | typename T7 = NullType, typename T8 = NullType, typename T9 = NullType, | ||
70 | typename T10 = NullType, typename T11 = NullType, typename T12 = NullType, | ||
71 | typename T13 = NullType, typename T14 = NullType, typename T15 = NullType, | ||
72 | typename T16 = NullType, typename T17 = NullType, typename T18 = NullType | ||
73 | > | ||
74 | struct MakeTypelist{ | ||
75 | private: | ||
76 | typedef typename MakeTypelist | ||
77 | < | ||
78 | T2 , T3 , T4 , | ||
79 | T5 , T6 , T7 , | ||
80 | T8 , T9 , T10, | ||
81 | T11, T12, T13, | ||
82 | T14, T15, T16, | ||
83 | T17, T18 | ||
84 | > | ||
85 | ::Result TailResult; | ||
86 | |||
87 | public: | ||
88 | typedef Typelist<T1, TailResult> Result; | ||
89 | }; | ||
90 | |||
91 | template<> | ||
92 | struct MakeTypelist<> | ||
93 | { | ||
94 | typedef NullType Result; | ||
95 | }; | ||
96 | |||
97 | } | ||
98 | |||
99 | /** | ||
100 | * To allow your application to be quick launched some one needs | ||
101 | * to create the QWidget. | ||
102 | * This is this factory. Make surce your widget has static QString Widget::appName() | ||
103 | * as one of its functions. | ||
104 | * | ||
105 | * This template takes one QWidget and initialized it in the form of | ||
106 | * MyWidget::MyWidget( QWidget* parent, const char* name, WFlags f ); | ||
107 | * | ||
108 | * To use it on your app do that: | ||
109 | * typedef OApplicationFactory<MyWidget> MyFactory; | ||
110 | * OPIE_EXPORT_APP( MyFactory ) | ||
111 | * | ||
112 | */ | ||
113 | template <class Product> | ||
114 | struct OApplicationFactory : public ApplicationInterface { | ||
115 | QRESULT queryInterface( const QUuid &uuid, QUnknownInterface **iface ) { | ||
116 | *iface = 0; | ||
117 | if ( uuid == IID_QUnknown ) *iface = this; | ||
118 | else if ( uuid == IID_QtopiaApplication ) *iface = this; | ||
119 | else return QS_FALSE; | ||
120 | (*iface)->addRef(); | ||
121 | return QS_OK; | ||
122 | } | ||
123 | |||
124 | /* | ||
125 | * | ||
126 | */ | ||
127 | virtual QWidget *createMainWindow( const QString& appName, QWidget* parent, | ||
128 | const char* name, Qt::WFlags f ) { | ||
129 | if (appName == Product::appName() ) | ||
130 | return new Product(parent, name, f ); | ||
131 | else | ||
132 | return 0l; | ||
133 | } | ||
134 | |||
135 | virtual QStringList applications()const { | ||
136 | QStringList list; | ||
137 | list << Product::appName() ; | ||
138 | |||
139 | return list; | ||
140 | } | ||
141 | Q_REFCOUNT | ||
142 | |||
143 | }; | ||
144 | |||
145 | |||
146 | /* Internal */ | ||
147 | |||
148 | template< class Product > | ||
149 | struct OPrivate { | ||
150 | inline static QWidget *multiFactory( const QString& appName, QWidget* parent, | ||
151 | const char* name, Qt::WFlags fl ) { | ||
152 | if ( appName == Product::appName() ) | ||
153 | return new Product( parent, name, fl ); | ||
154 | else | ||
155 | return 0; | ||
156 | } | ||
157 | |||
158 | inline static QStringList multiString( const QStringList& _list ) { | ||
159 | QStringList list = _list; | ||
160 | list << Product::appName(); | ||
161 | return list; | ||
162 | } | ||
163 | }; | ||
164 | |||
165 | template <> | ||
166 | struct OPrivate<Opie::NullType > { | ||
167 | inline static QWidget* multiFactory ( const QString& , QWidget* , | ||
168 | const char* , Qt::WFlags ) { | ||
169 | return 0l; | ||
170 | } | ||
171 | inline static QStringList multiString( const QStringList& _list ) { | ||
172 | return _list; | ||
173 | } | ||
174 | }; | ||
175 | |||
176 | /* | ||
177 | template <> | ||
178 | struct OPrivate <Opie::NullType, Opie::NullType > { | ||
179 | inline static QWidget* multiFactory( const QString& , QWidget* , | ||
180 | const char* , Qt::WFlags ) { | ||
181 | return 0l; | ||
182 | } | ||
183 | |||
184 | inline static QStringList multiString( const QStringList& _list ) { | ||
185 | return _list; | ||
186 | } | ||
187 | }; | ||
188 | */ | ||
189 | |||
190 | template <class Product, class ProductListTail> | ||
191 | struct OPrivate< Opie::Typelist<Product, ProductListTail> > { | ||
192 | inline static QWidget* multiFactory( const QString& appName, QWidget* parent, | ||
193 | const char* name, Qt::WFlags fl) { | ||
194 | QWidget* wid = OPrivate<Product>::multiFactory( appName, parent, name, fl ); | ||
195 | |||
196 | if (!wid ) | ||
197 | wid = OPrivate<ProductListTail>::multiFactory( appName, parent, name, fl ); | ||
198 | |||
199 | return wid; | ||
200 | } | ||
201 | |||
202 | inline static QStringList multiString( const QStringList& _list ) { | ||
203 | QStringList list = _list; | ||
204 | |||
205 | list = OPrivate<Product>::multiString( list ); | ||
206 | list = OPrivate<ProductListTail>::multiString( list ); | ||
207 | |||
208 | return list; | ||
209 | } | ||
210 | }; | ||
211 | |||
212 | |||
213 | |||
214 | |||
215 | |||
216 | |||
217 | |||
218 | |||
219 | /* Internal END */ | ||
220 | |||
221 | /* | ||
222 | * If you want to export more than one Widget use that function | ||
223 | * Make sure all your Widgets provide the appName() static method | ||
224 | * otherwise you'll get a compiler error | ||
225 | * | ||
226 | * typedef Opie::MakeTypeList<MyWidget, MyDialog, MyMediaPlayer >::Result MyTypes; | ||
227 | * OPIE_EXPORT_APP( OApplicationFactory<MyTypes> ) | ||
228 | */ | ||
229 | |||
230 | template<class Product, class ProductListTail> | ||
231 | struct OApplicationFactory< Opie::Typelist<Product, ProductListTail > > | ||
232 | : ApplicationInterface { | ||
233 | QRESULT queryInterface( const QUuid &uuid, QUnknownInterface **iface ) { | ||
234 | *iface = 0; | ||
235 | if ( uuid == IID_QUnknown ) *iface = this; | ||
236 | else if ( uuid ==IID_QtopiaApplication ) *iface = this; | ||
237 | else return QS_FALSE; | ||
238 | (*iface)->addRef(); | ||
239 | return QS_OK; | ||
240 | } | ||
241 | |||
242 | QWidget* createMainWindow ( const QString& appName, QWidget* parent, | ||
243 | const char* name, Qt::WFlags fl ) { | ||
244 | qWarning("StringList is %s", applications().join(":").latin1() ); | ||
245 | return OPrivate< Opie::Typelist<Product, ProductListTail > >::multiFactory( appName, parent, name, fl ); | ||
246 | } | ||
247 | |||
248 | QStringList applications()const { | ||
249 | QStringList _list; | ||
250 | return OPrivate< Opie::Typelist<Product, ProductListTail> >::multiString( _list ); | ||
251 | } | ||
252 | |||
253 | Q_REFCOUNT | ||
254 | }; | ||
255 | |||
256 | |||
257 | /* If the library version should be build */ | ||
258 | #ifdef OPIE_APP_INTERFACE | ||
259 | #define OPIE_EXPORT_APP( factory ) Q_EXPORT_INTERFACE() { Q_CREATE_INSTANCE( factory ) } | ||
260 | #else | ||
261 | |||
262 | #include <qpe/qpeapplication.h> | ||
263 | |||
264 | #define OPIE_EXPORT_APP( Factory ) \ | ||
265 | int main( int argc, char **argv ) { \ | ||
266 | QPEApplication a(argc, argv ); \ | ||
267 | QWidget *mw = 0;\ | ||
268 | \ | ||
269 | /* method from TT */ \ | ||
270 | QString executableName = QString::fromLatin1( argv[0] ); \ | ||
271 | executableName = executableName.right(executableName.length() \ | ||
272 | - executableName.findRev('/') - 1); \ | ||
273 | \ | ||
274 | Factory f; \ | ||
275 | QStringList list = f.applications(); \ | ||
276 | if (list.contains(executableName) ) \ | ||
277 | mw = f.createMainWindow(executableName, 0, 0, 0 ); \ | ||
278 | else \ | ||
279 | mw = f.createMainWindow( list[0], 0, 0, 0 ); \ | ||
280 | \ | ||
281 | if( mw ) { \ | ||
282 | if ( mw->metaObject()->slotNames().contains("setDocument(const QString&)" ) ) \ | ||
283 | a.showMainDocumentWidget( mw ); \ | ||
284 | else \ | ||
285 | a.showMainWidget( mw ); \ | ||
286 | \ | ||
287 | int rv = a.exec(); \ | ||
288 | delete mw; \ | ||
289 | return rv; \ | ||
290 | }else \ | ||
291 | return -1; \ | ||
292 | } | ||
293 | #endif | ||