source: trunk/src/tools/uic/cpp/cppwritedeclaration.cpp

Last change on this file was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
File size: 10.3 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
6**
7** This file is part of the tools applications of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at qt-info@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "cppwritedeclaration.h"
43#include "cppwriteicondeclaration.h"
44#include "cppwriteinitialization.h"
45#include "cppwriteiconinitialization.h"
46#include "cppextractimages.h"
47#include "driver.h"
48#include "ui4.h"
49#include "uic.h"
50#include "databaseinfo.h"
51#include "customwidgetsinfo.h"
52
53#include <QtCore/QTextStream>
54#include <QtCore/QDebug>
55
56QT_BEGIN_NAMESPACE
57
58namespace {
59 void openNameSpaces(const QStringList &namespaceList, QTextStream &output) {
60 if (namespaceList.empty())
61 return;
62 const QStringList::const_iterator cend = namespaceList.constEnd();
63 for (QStringList::const_iterator it = namespaceList.constBegin(); it != cend; ++it) {
64 if (!it->isEmpty()) {
65 output << "namespace " << *it << " {\n";
66 }
67 }
68 }
69
70 void closeNameSpaces(const QStringList &namespaceList, QTextStream &output) {
71 if (namespaceList.empty())
72 return;
73
74 QListIterator<QString> it(namespaceList);
75 it.toBack();
76 while (it.hasPrevious()) {
77 const QString ns = it.previous();
78 if (!ns.isEmpty()) {
79 output << "} // namespace " << ns << "\n";
80 }
81 }
82 }
83
84 void writeScriptContextClass(const QString &indent, QTextStream &str) {
85 str << indent << "class ScriptContext\n"
86 << indent << "{\n"
87 << indent << "public:\n"
88 << indent << " void run(const QString &script, QWidget *widget, const QWidgetList &childWidgets)\n"
89 << indent << " {\n"
90 << indent << " QScriptValue widgetObject = scriptEngine.newQObject(widget);\n"
91 << indent << " QScriptValue childWidgetArray = scriptEngine.newArray (childWidgets.size());\n"
92 << indent << " for (int i = 0; i < childWidgets.size(); i++)\n"
93 << indent << " childWidgetArray.setProperty(i, scriptEngine.newQObject(childWidgets[i]));\n"
94 << indent << " QScriptContext *ctx = scriptEngine.pushContext();\n"
95 << indent << " ctx ->activationObject().setProperty(QLatin1String(\"widget\"), widgetObject);\n"
96 << indent << " ctx ->activationObject().setProperty(QLatin1String(\"childWidgets\"), childWidgetArray);\n\n"
97 << indent << " scriptEngine.evaluate(script);\n"
98 << indent << " if (scriptEngine.hasUncaughtException ()) {\n"
99 << indent << " qWarning() << \"An exception occurred at line \" << scriptEngine.uncaughtExceptionLineNumber()\n"
100 << indent << " << \" of the script for \" << widget->objectName() << \": \" << engineError() << '\\n'\n"
101 << indent << " << script;\n"
102 << indent << " }\n\n"
103 << indent << " scriptEngine.popContext();\n"
104 << indent << " }\n\n"
105 << indent << "private:\n"
106 << indent << " QString engineError()\n"
107 << indent << " {\n"
108 << indent << " QScriptValue error = scriptEngine.evaluate(\"Error\");\n"
109 << indent << " return error.toString();\n"
110 << indent << " }\n\n"
111 << indent << " QScriptEngine scriptEngine;\n"
112 << indent << "};\n\n";
113 }
114}
115
116namespace CPP {
117
118WriteDeclaration::WriteDeclaration(Uic *uic, bool activateScripts) :
119 m_uic(uic),
120 m_driver(uic->driver()),
121 m_output(uic->output()),
122 m_option(uic->option()),
123 m_activateScripts(activateScripts)
124{
125}
126
127void WriteDeclaration::acceptUI(DomUI *node)
128{
129 QString qualifiedClassName = node->elementClass() + m_option.postfix;
130 QString className = qualifiedClassName;
131
132 QString varName = m_driver->findOrInsertWidget(node->elementWidget());
133 QString widgetClassName = node->elementWidget()->attributeClass();
134
135 QString exportMacro = node->elementExportMacro();
136 if (!exportMacro.isEmpty())
137 exportMacro.append(QLatin1Char(' '));
138
139 QStringList namespaceList = qualifiedClassName.split(QLatin1String("::"));
140 if (namespaceList.count()) {
141 className = namespaceList.last();
142 namespaceList.removeLast();
143 }
144
145 // This is a bit of the hack but covers the cases Qt in/without namespaces
146 // and User defined classes in/without namespaces. The "strange" case
147 // is a User using Qt-in-namespace having his own classes not in a namespace.
148 // In this case the generated Ui helper classes will also end up in
149 // the Qt namespace (which is harmless, but not "pretty")
150 const bool needsMacro = namespaceList.count() == 0
151 || namespaceList[0] == QLatin1String("qdesigner_internal");
152
153 if (needsMacro)
154 m_output << "QT_BEGIN_NAMESPACE\n\n";
155
156 openNameSpaces(namespaceList, m_output);
157
158 if (namespaceList.count())
159 m_output << "\n";
160
161 m_output << "class " << exportMacro << m_option.prefix << className << "\n"
162 << "{\n"
163 << "public:\n";
164
165 const QStringList connections = m_uic->databaseInfo()->connections();
166 for (int i=0; i<connections.size(); ++i) {
167 const QString connection = connections.at(i);
168
169 if (connection == QLatin1String("(default)"))
170 continue;
171
172 m_output << m_option.indent << "QSqlDatabase " << connection << "Connection;\n";
173 }
174
175 TreeWalker::acceptWidget(node->elementWidget());
176 if (const DomButtonGroups *domButtonGroups = node->elementButtonGroups())
177 acceptButtonGroups(domButtonGroups);
178
179 m_output << "\n";
180
181 WriteInitialization(m_uic, m_activateScripts).acceptUI(node);
182
183 if (node->elementImages()) {
184 if (m_option.extractImages) {
185 ExtractImages(m_uic->option()).acceptUI(node);
186 } else {
187 m_output << "\n"
188 << "protected:\n"
189 << m_option.indent << "enum IconID\n"
190 << m_option.indent << "{\n";
191 WriteIconDeclaration(m_uic).acceptUI(node);
192
193 m_output << m_option.indent << m_option.indent << "unknown_ID\n"
194 << m_option.indent << "};\n";
195
196 WriteIconInitialization(m_uic).acceptUI(node);
197 }
198 }
199
200 if (m_activateScripts) {
201 m_output << "\nprivate:\n\n";
202 writeScriptContextClass(m_option.indent, m_output);
203 }
204
205 m_output << "};\n\n";
206
207 closeNameSpaces(namespaceList, m_output);
208
209 if (namespaceList.count())
210 m_output << "\n";
211
212 if (m_option.generateNamespace && !m_option.prefix.isEmpty()) {
213 namespaceList.append(QLatin1String("Ui"));
214
215 openNameSpaces(namespaceList, m_output);
216
217 m_output << m_option.indent << "class " << exportMacro << className << ": public " << m_option.prefix << className << " {};\n";
218
219 closeNameSpaces(namespaceList, m_output);
220
221 if (namespaceList.count())
222 m_output << "\n";
223 }
224
225 if (needsMacro)
226 m_output << "QT_END_NAMESPACE\n\n";
227}
228
229void WriteDeclaration::acceptWidget(DomWidget *node)
230{
231 QString className = QLatin1String("QWidget");
232 if (node->hasAttributeClass())
233 className = node->attributeClass();
234
235 m_output << m_option.indent << m_uic->customWidgetsInfo()->realClassName(className) << " *" << m_driver->findOrInsertWidget(node) << ";\n";
236
237 TreeWalker::acceptWidget(node);
238}
239
240void WriteDeclaration::acceptSpacer(DomSpacer *node)
241{
242 m_output << m_option.indent << "QSpacerItem *" << m_driver->findOrInsertSpacer(node) << ";\n";
243 TreeWalker::acceptSpacer(node);
244}
245
246void WriteDeclaration::acceptLayout(DomLayout *node)
247{
248 QString className = QLatin1String("QLayout");
249 if (node->hasAttributeClass())
250 className = node->attributeClass();
251
252 m_output << m_option.indent << className << " *" << m_driver->findOrInsertLayout(node) << ";\n";
253
254 TreeWalker::acceptLayout(node);
255}
256
257void WriteDeclaration::acceptActionGroup(DomActionGroup *node)
258{
259 m_output << m_option.indent << "QActionGroup *" << m_driver->findOrInsertActionGroup(node) << ";\n";
260
261 TreeWalker::acceptActionGroup(node);
262}
263
264void WriteDeclaration::acceptAction(DomAction *node)
265{
266 m_output << m_option.indent << "QAction *" << m_driver->findOrInsertAction(node) << ";\n";
267
268 TreeWalker::acceptAction(node);
269}
270
271void WriteDeclaration::acceptButtonGroup(const DomButtonGroup *buttonGroup)
272{
273 m_output << m_option.indent << "QButtonGroup *" << m_driver->findOrInsertButtonGroup(buttonGroup) << ";\n";
274 TreeWalker::acceptButtonGroup(buttonGroup);
275}
276
277} // namespace CPP
278
279QT_END_NAMESPACE
Note: See TracBrowser for help on using the repository browser.