2 * \file qt4/GuiAlert.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
7 * \author Jürgen Spitzmüller
8 * \author Abdelrazak Younes
10 * Full author contact details are available in file CREDITS.
18 #include "frontends/Application.h"
20 #include "qt_helpers.h"
21 #include "LyX.h" // for lyx::use_gui
22 #include "support/gettext.h"
24 #include "support/debug.h"
25 #include "support/docstring.h"
26 #include "support/lstrings.h"
27 #include "support/ProgressInterface.h"
29 #include <QApplication>
31 #include <QMessageBox>
33 #include <QInputDialog>
40 using namespace lyx::support;
48 static docstring const formatted(docstring const & text)
60 size_t const nxtpos1 = text.find(' ', curpos);
61 size_t const nxtpos2 = text.find('\n', curpos);
62 size_t const nxtpos = min(nxtpos1, nxtpos2);
64 docstring const word =
65 nxtpos == docstring::npos ?
67 text.substr(curpos, nxtpos - curpos);
69 bool const newline = (nxtpos2 != docstring::npos &&
72 docstring const line_plus_word =
73 line.empty() ? word : line + char_type(' ') + word;
75 // FIXME: make w be size_t
76 if (int(line_plus_word.length()) >= w) {
77 sout += line + char_type('\n');
79 sout += word + char_type('\n');
86 sout += line_plus_word + char_type('\n');
91 line += char_type(' ');
95 if (nxtpos == docstring::npos) {
108 void noAppDialog(QString const & title, QString const & msg, QMessageBox::Icon mode)
112 QApplication app(argc, argv);
115 case QMessageBox::Information: QMessageBox::information(0, title, msg); break;
116 case QMessageBox::Warning: QMessageBox::warning(0, title, msg); break;
117 case QMessageBox::Critical: QMessageBox::critical(0, title, msg); break;
125 int prompt(docstring const & title0, docstring const & question,
126 int default_button, int cancel_button,
127 docstring const & b1, docstring const & b2, docstring const & b3)
129 //lyxerr << "PROMPT" << title0 << "FOCUS: " << qApp->focusWidget() << endl;
130 if (!use_gui || lyxerr.debugging()) {
131 lyxerr << title0 << '\n'
132 << "----------------------------------------\n"
135 lyxerr << "Assuming answer is ";
136 switch (default_button) {
137 case 0: lyxerr << b1 << endl;
138 case 1: lyxerr << b2 << endl;
139 case 2: lyxerr << b3 << endl;
142 return default_button;
145 docstring const title = bformat(_("LyX: %1$s"), title0);
147 // For some reason, sometimes Qt uses an hourglass or watch cursor when
148 // displaying the alert. Hence, we ask for the standard cursor shape.
149 // This call has no effect if the cursor has not been overridden.
150 qApp->changeOverrideCursor(Qt::ArrowCursor);
152 // FIXME replace that with guiApp->currentView()
153 //LYXERR0("FOCUS: " << qApp->focusWidget());
154 int res = QMessageBox::information(qApp->focusWidget(),
156 toqstr(formatted(question)),
159 b3.empty() ? QString::null : toqstr(b3),
160 default_button, cancel_button);
162 // Qt bug: can return -1 on cancel or WM close, despite the docs.
169 void warning(docstring const & title0, docstring const & message,
170 bool const & askshowagain)
172 lyxerr << "Warning: " << title0 << '\n'
173 << "----------------------------------------\n"
179 docstring const title = bformat(_("LyX: %1$s"), title0);
182 noAppDialog(toqstr(title), toqstr(formatted(message)), QMessageBox::Warning);
187 ProgressInterface::instance()->warning(
189 toqstr(formatted(message)));
191 ProgressInterface::instance()->toggleWarning(
194 toqstr(formatted(message)));
199 void error(docstring const & title0, docstring const & message)
201 lyxerr << "Error: " << title0 << '\n'
202 << "----------------------------------------\n"
208 docstring const title = bformat(_("LyX: %1$s"), title0);
211 noAppDialog(toqstr(title), toqstr(formatted(message)), QMessageBox::Critical);
215 ProgressInterface::instance()->error(
217 toqstr(formatted(message)));
221 void information(docstring const & title0, docstring const & message)
223 if (!use_gui || lyxerr.debugging())
224 lyxerr << title0 << '\n'
225 << "----------------------------------------\n"
231 docstring const title = bformat(_("LyX: %1$s"), title0);
234 noAppDialog(toqstr(title), toqstr(formatted(message)), QMessageBox::Information);
238 ProgressInterface::instance()->information(
240 toqstr(formatted(message)));
244 bool askForText(docstring & response, docstring const & msg,
245 docstring const & dflt)
247 if (!use_gui || lyxerr.debugging()) {
248 lyxerr << "----------------------------------------\n"
250 << "Assuming answer is " << dflt << '\n'
251 << "----------------------------------------" << endl;
258 docstring const title = bformat(_("LyX: %1$s"), msg);
261 QString text = QInputDialog::getText(qApp->focusWidget(),
263 toqstr(char_type('&') + msg),
268 response = qstring_to_ucs4(text);
277 } // namespace frontend