source: trunk/tools/makeqpf/mainwindow.cpp@ 618

Last change on this file since 618 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.
File size: 10.6 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
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 [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "mainwindow.h"
43
44#include <QFontComboBox>
45#include <QFontDatabase>
46#include <QFileDialog>
47#include <QMessageBox>
48#include <QListWidget>
49#include <QDebug>
50#include <QShortcut>
51#include <QCompleter>
52#include <QDirModel>
53#include <QTextCodec>
54
55QT_BEGIN_NAMESPACE
56
57MainWindow::MainWindow(const QString &customFont)
58{
59 setupUi(this);
60 pixelSize->setValue(QFontInfo(QFont()).pixelSize());
61 populateCharacterRanges();
62
63 {
64 weightCombo->addItem(QLatin1String("Light"), QVariant(int(QFont::Light)));
65 const int normalIdx = weightCombo->count();
66 weightCombo->addItem(QLatin1String("Normal"), QVariant(int(QFont::Normal)));
67 weightCombo->addItem(QLatin1String("DemiBold"), QVariant(int(QFont::DemiBold)));
68 weightCombo->addItem(QLatin1String("Bold"), QVariant(int(QFont::Bold)));
69 weightCombo->addItem(QLatin1String("Black"), QVariant(int(QFont::Black)));
70
71 weightCombo->setCurrentIndex(normalIdx);
72 }
73
74 QShortcut *sc = new QShortcut(Qt::ControlModifier + Qt::Key_A, this);
75 connect(sc, SIGNAL(activated()),
76 this, SLOT(on_selectAll_clicked()));
77 sc = new QShortcut(Qt::ControlModifier + Qt::Key_D, this);
78 connect(sc, SIGNAL(activated()),
79 this, SLOT(on_deselectAll_clicked()));
80 sc = new QShortcut(Qt::ControlModifier + Qt::Key_I, this);
81 connect(sc, SIGNAL(activated()),
82 this, SLOT(on_invertSelection_clicked()));
83
84 QCompleter *completer = new QCompleter(this);
85 completer->setModel(new QDirModel(this));
86 path->setCompleter(completer);
87 path->setText(QDir::currentPath());
88
89 completer = new QCompleter(this);
90 completer->setModel(new QDirModel(this));
91 sampleFile->setCompleter(completer);
92 charCount->setText(QString());
93
94 if (!customFont.isEmpty())
95 addCustomFont(customFont);
96
97 fontChanged();
98
99 connect(fontComboBox, SIGNAL(currentFontChanged(QFont)),
100 this, SLOT(fontChanged()));
101 connect(pixelSize, SIGNAL(valueChanged(int)),
102 this, SLOT(fontChanged()));
103 connect(italic, SIGNAL(stateChanged(int)),
104 this, SLOT(fontChanged()));
105 connect(weightCombo, SIGNAL(currentIndexChanged(int)),
106 this, SLOT(fontChanged()));
107}
108
109void MainWindow::on_actionAdd_Custom_Font_triggered()
110{
111 QString fontFile = QFileDialog::getOpenFileName(this, tr("Add Custom Font"));
112 if (fontFile.isEmpty())
113 return;
114 addCustomFont(fontFile);
115}
116
117void MainWindow::on_selectAll_clicked()
118{
119 for (int i = 0; i < characterRangeView->count(); ++i)
120 characterRangeView->item(i)->setCheckState(Qt::Checked);
121}
122
123void MainWindow::on_deselectAll_clicked()
124{
125 for (int i = 0; i < characterRangeView->count(); ++i)
126 characterRangeView->item(i)->setCheckState(Qt::Unchecked);
127}
128
129void MainWindow::on_invertSelection_clicked()
130{
131 for (int i = 0; i < characterRangeView->count(); ++i) {
132 QListWidgetItem *item = characterRangeView->item(i);
133 if (item->checkState() == Qt::Checked)
134 item->setCheckState(Qt::Unchecked);
135 else
136 item->setCheckState(Qt::Checked);
137 }
138}
139
140void MainWindow::fontChanged()
141{
142 QFont f = preview->font();
143 f.setStyleStrategy(QFont::NoFontMerging);
144 f.setPixelSize(pixelSize->value());
145 f.setFamily(fontComboBox->currentFont().family());
146 f.setItalic(italic->isChecked());
147 f.setWeight(weightCombo->itemData(weightCombo->currentIndex()).toInt());
148
149 if (!preview->isModified()) {
150 QFontDatabase db;
151 QFontDatabase::WritingSystem ws = db.writingSystems(f.family()).value(0, QFontDatabase::Any);
152 QString sample = db.writingSystemSample(ws);
153 preview->setText(sample);
154 preview->setModified(false);
155 }
156
157 fileName->setText(QPF::fileNameForFont(f));
158
159 preview->setFont(f);
160}
161
162void MainWindow::on_browsePath_clicked()
163{
164 QString dir = QFileDialog::getExistingDirectory(this, tr("Select Directory"));
165 if (!dir.isEmpty())
166 path->setText(dir);
167}
168
169void MainWindow::on_browseSampleFile_clicked()
170{
171 QString dir = QFileDialog::getOpenFileName(this, tr("Select Sample File"));
172 if (!dir.isEmpty()) {
173 sampleFile->setText(dir);
174 on_sampleFile_editingFinished();
175 }
176}
177
178void MainWindow::on_generate_clicked()
179{
180 QFile f(path->text() + QDir::separator() + fileName->text());
181 if (f.exists()) {
182 if (QMessageBox::warning(this, QString(),
183 tr("%1 already exists.\nDo you want to replace it?").arg(f.fileName()),
184 QMessageBox::Yes | QMessageBox::No, QMessageBox::No)
185 != QMessageBox::Yes) {
186 statusBar()->showMessage(tr("Pre-rendering aborted..."));
187 return;
188 }
189 }
190
191 QList<QPF::CharacterRange> ranges;
192
193 if (chooseFromSampleFile->isChecked()) {
194 ranges = sampleFileRanges;
195 } else if (chooseFromCodePoints->isChecked()) {
196 ranges.clear();
197 for (int i = 0; i < characterRangeView->count(); ++i) {
198 QListWidgetItem *item = characterRangeView->item(i);
199 if (item->checkState() != Qt::Checked)
200 continue;
201
202 QPF::CharacterRange range = qVariantValue<QPF::CharacterRange>(item->data(Qt::UserRole));
203 ranges.append(range);
204 }
205 }
206
207 const int generationOptions = QPF::IncludeCMap | QPF::RenderGlyphs;
208 QByteArray qpf = QPF::generate(preview->font(), generationOptions, ranges);
209 f.open(QIODevice::WriteOnly | QIODevice::Truncate);
210 f.write(qpf);
211 f.close();
212
213 statusBar()->showMessage(tr("Font successfully pre-rendered to %1").arg(fileName->text()));
214}
215
216void MainWindow::on_sampleFile_editingFinished()
217{
218 sampleFileRanges.clear();
219 QFile f(sampleFile->text());
220 if (!f.open(QIODevice::ReadOnly | QIODevice::Text)) {
221 sampleFileRanges.append(QPF::CharacterRange()); // default = all
222 return;
223 }
224 QTextStream stream(&f);
225 stream.setCodec(QTextCodec::codecForName("utf-8"));
226 stream.setAutoDetectUnicode(true);
227 QString text = stream.readAll();
228
229 QSet<QChar> coverage;
230 for (int i = 0; i < text.length(); ++i)
231 coverage.insert(text.at(i));
232
233 QList<QChar> sortedCoverage = QList<QChar>::fromSet(coverage);
234 qSort(sortedCoverage);
235 // play simple :)
236 foreach (QChar ch, sortedCoverage) {
237 QPF::CharacterRange r;
238 r.start = ch.unicode();
239 r.end = r.start + 1;
240 sampleFileRanges.append(r);
241 }
242
243 charCount->setText(tr("(%1 unique characters found)").arg(sortedCoverage.count()));
244}
245
246void MainWindow::populateCharacterRanges()
247{
248 QFile f(":/Blocks.txt");
249 if (!f.open(QIODevice::ReadOnly | QIODevice::Text))
250 return;
251
252 QRegExp rangeExpr("([0-9a-f]+)\\.\\.([0-9a-f]+); (.+)");
253 rangeExpr.setCaseSensitivity(Qt::CaseInsensitive);
254
255 QString ellipsis(QChar(0x2026));
256 if (!characterRangeView->fontMetrics().inFont(ellipsis.at(0)))
257 ellipsis = QLatin1String("...");
258
259 while (!f.atEnd()) {
260 QString line = QString::fromAscii(f.readLine());
261
262 if (line.endsWith(QLatin1Char('\n')))
263 line.chop(1);
264 if (line.endsWith(QLatin1Char('\r')))
265 line.chop(1);
266
267 line = line.trimmed();
268
269 if (line.isEmpty() || line.startsWith(QLatin1Char('#')))
270 continue;
271
272 if (!rangeExpr.exactMatch(line) || rangeExpr.captureCount() != 3)
273 continue;
274
275 QPF::CharacterRange range;
276
277 bool ok = false;
278 range.start = rangeExpr.cap(1).toUInt(&ok, /*base*/16);
279 if (!ok)
280 continue;
281 range.end = rangeExpr.cap(2).toUInt(&ok, /*base*/16);
282 if (!ok)
283 continue;
284
285 if (range.start >= 0xffff || range.end >= 0xffff)
286 continue;
287
288 QString description = rangeExpr.cap(3);
289
290 QListWidgetItem *item = new QListWidgetItem(characterRangeView);
291 QString text = description;
292 text.append(QLatin1String(" ("));
293 text.append(rangeExpr.cap(1));
294 text.append(ellipsis);
295 text.append(rangeExpr.cap(2));
296 text.append(QLatin1String(")"));
297 item->setText(text);
298 item->setCheckState(Qt::Checked);
299
300 item->setData(Qt::UserRole, qVariantFromValue(range));
301 }
302}
303
304void MainWindow::addCustomFont(const QString &fontFile)
305{
306 int id = QFontDatabase::addApplicationFont(fontFile);
307 if (id < 0) {
308 QMessageBox::warning(this, tr("Error Adding Custom Font"),
309 tr("The custom font %s could not be loaded.").arg(fontFile));
310 return;
311 }
312 const QStringList families = QFontDatabase::applicationFontFamilies(id);
313 if (families.isEmpty()) {
314 QMessageBox::warning(this, tr("Error Adding Custom Font"),
315 tr("The custom font %s provides no font families.").arg(fontFile));
316 return;
317 }
318 QFont f(families.first());
319 fontComboBox->setCurrentFont(f);
320}
321
322QT_END_NAMESPACE
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