source: tspsg/src/settingsdialog.cpp @ 628500a5d6

0.1.4.170-beta2-bb10
Last change on this file since 628500a5d6 was ccdffe3a5f, checked in by Oleksii Serdiuk, 12 years ago

Removed printing related items from menu as there's no printer.

Made dialogs to be shown maximized.
  • Property mode set to 100644
File size: 19.5 KB
Line 
1/*
2 *  TSPSG: TSP Solver and Generator
3 *  Copyright (C) 2007-2011 Lёppa <contacts[at]oleksii[dot]name>
4 *
5 *  $Id$
6 *  $URL$
7 *
8 *  This file is part of TSPSG.
9 *
10 *  TSPSG is free software: you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License as published by
12 *  the Free Software Foundation, either version 3 of the License, or
13 *  (at your option) any later version.
14 *
15 *  TSPSG is distributed in the hope that it will be useful,
16 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
17 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 *  GNU General Public License for more details.
19 *
20 *  You should have received a copy of the GNU General Public License
21 *  along with TSPSG.  If not, see <http://www.gnu.org/licenses/>.
22 */
23
24#include "settingsdialog.h"
25
26/*!
27 * \brief Class constructor.
28 * \param parent Settings Dialog parent widget.
29 *
30 * Initializes Settings Dialog and creates its layout based on target OS.
31 */
32SettingsDialog::SettingsDialog(QWidget *parent)
33    : QDialog(parent), _newFont(false), _newColor(false), _translucency(0)
34{
35    setupUi(this);
36
37    setWindowIcon(GET_ICON("preferences-system"));
38
39    buttonBox->button(QDialogButtonBox::Ok)->setIcon(GET_ICON("dialog-ok"));
40#ifndef QT_NO_STATUSTIP
41    buttonBox->button(QDialogButtonBox::Ok)->setStatusTip(tr("Save new preferences"));
42#endif
43    buttonBox->button(QDialogButtonBox::Ok)->setCursor(QCursor(Qt::PointingHandCursor));
44    buttonBox->button(QDialogButtonBox::Cancel)->setIcon(GET_ICON("dialog-cancel"));
45#ifndef QT_NO_STATUSTIP
46    buttonBox->button(QDialogButtonBox::Cancel)->setStatusTip(tr("Close without saving preferences"));
47#endif
48    buttonBox->button(QDialogButtonBox::Cancel)->setCursor(QCursor(Qt::PointingHandCursor));
49
50    buttonColor->setIcon(GET_ICON("format-text-color"));
51    buttonFont->setIcon(GET_ICON("preferences-desktop-font"));
52    buttonHelp->setIcon(GET_ICON("help-hint"));
53
54QPalette p = bgWhite->palette();
55    p.setColor(QPalette::Window, p.color(QPalette::Base));
56    bgWhite->setPalette(p);
57
58    p = lineHorizontal->palette();
59    p.setColor(QPalette::Window, p.color(QPalette::Text));
60    lineHorizontal->setPalette(p);
61
62// Layout helpers
63QBoxLayout *box;
64QHBoxLayout *hbox;
65#ifndef QT_NO_PRINTER
66    cbHQGraph = new QCheckBox(bgWhite);
67    cbHQGraph->setObjectName("cbHQGraph");
68#ifndef QT_NO_STATUSTIP
69    cbHQGraph->setStatusTip(tr("Higher quality graph looks much better when printing but uglier on the screen"));
70#endif // QT_NO_STATUSTIP
71    cbHQGraph->setText(tr("Draw solution graph in higher quality"));
72    cbHQGraph->setCursor(QCursor(Qt::PointingHandCursor));
73
74    box = static_cast<QBoxLayout *>(tabOutput->layout());
75    hbox = new QHBoxLayout();
76    hbox->addSpacing(10);
77    hbox->addWidget(cbHQGraph);
78    box->insertLayout(box->indexOf(cbGenerateGraph) + 2, hbox);
79    connect(cbGenerateGraph, SIGNAL(toggled(bool)), cbHQGraph, SLOT(setEnabled(bool)));
80#endif
81
82    if (hasUpdater()) {
83        cbCheck4Updates = new QCheckBox(bgWhite);
84        cbCheck4Updates->setObjectName("cbCheck4Updates");
85#ifndef QT_NO_STATUSTIP
86        cbCheck4Updates->setStatusTip(tr("Automatically check for updates at the given interval"));
87#endif // QT_NO_STATUSTIP
88        cbCheck4Updates->setText(tr("Check for updates every"));
89        cbCheck4Updates->setCursor(QCursor(Qt::PointingHandCursor));
90
91        spinUpdateCheckInterval = new QSpinBox(bgWhite);
92        spinUpdateCheckInterval->setObjectName("spinUpdateCheckInterval");
93#ifndef QT_NO_STATUSTIP
94        spinUpdateCheckInterval->setStatusTip(tr("Minimal interval at which to check for updates"));
95#endif // QT_NO_STATUSTIP
96        spinUpdateCheckInterval->setSuffix(tr(" days", "Don't forget a space at the beginning!"));
97        spinUpdateCheckInterval->setRange(1, 365);
98        spinUpdateCheckInterval->setCursor(QCursor(Qt::PointingHandCursor));
99
100        connect(cbCheck4Updates, SIGNAL(toggled(bool)), spinUpdateCheckInterval, SLOT(setEnabled(bool)));
101
102        box = static_cast<QBoxLayout *>(tabGeneral->layout());
103        hbox = new QHBoxLayout();
104        hbox->setSpacing(0);
105        hbox->addWidget(cbCheck4Updates);
106        hbox->addWidget(spinUpdateCheckInterval);
107        hbox->addStretch();
108        box->insertLayout(box->indexOf(cbUseNativeDialogs) + 1, hbox);
109    } else
110        cbCheck4Updates = NULL;
111
112#ifdef HANDHELD
113QVBoxLayout *vbox1; // Layout helper
114
115#ifdef Q_WS_WINCE_WM
116    // On screens with small height when SIP is shown and the window is resized
117    // there is not enought space for all elements.
118    // So we show the scrollbars to be able to access them.
119QScrollArea *scrollArea = new QScrollArea(this);
120    scrollArea->setFrameShape(QFrame::NoFrame);
121    scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
122    scrollArea->setWidgetResizable(true);
123    scrollArea->setWidget(bgWhite);
124#else
125    buttons->insertStretch(buttons->indexOf(buttonHelp) + 1);
126#endif // Q_WS_WINCE_WM
127
128    bgWhite->layout()->setMargin(0);
129
130    // Central layout
131    vbox1 = new QVBoxLayout(this);
132    vbox1->setMargin(0);
133    vbox1->setSpacing(0);
134#ifdef Q_WS_WINCE_WM
135    vbox1->addWidget(scrollArea);
136#else
137    vbox1->addWidget(bgWhite);
138#endif // Q_WS_WINCE_WM
139    vbox1->addWidget(bgGrey);
140    setLayout(vbox1);
141#else // HANDHELD
142QVBoxLayout *vbox; // Layout helper
143
144#ifndef HANDHELD
145    if (QtWin::isCompositionEnabled()) {
146        cbUseTranslucency = new QCheckBox(bgWhite);
147        cbUseTranslucency->setObjectName("cbUseTranslucency");
148#ifndef QT_NO_STATUSTIP
149        cbUseTranslucency->setStatusTip(tr("Make Main Window background translucent"));
150#endif // QT_NO_STATUSTIP
151        cbUseTranslucency->setText(tr("Use translucency effects"));
152        cbUseTranslucency->setCursor(QCursor(Qt::PointingHandCursor));
153    }
154#endif // HANDHELD
155
156    cbSaveState = new QCheckBox(bgWhite);
157    cbSaveState->setObjectName("cbSaveState");
158#ifndef QT_NO_STATUSTIP
159    cbSaveState->setStatusTip(tr("Restore main window state and position on application restart"));
160#endif // QT_NO_STATUSTIP
161    cbSaveState->setText(tr("Save main window state and position"));
162    cbSaveState->setCursor(QCursor(Qt::PointingHandCursor));
163
164    imgIcon = new QLabel(this);
165    imgIcon->setObjectName("imgIcon");
166    imgIcon->setSizePolicy(QSizePolicy::Fixed,QSizePolicy::Expanding);
167    imgIcon->setFrameShape(QFrame::NoFrame);
168    imgIcon->setPixmap(GET_ICON("preferences-system").pixmap(128, 128));
169    imgIcon->setStyleSheet("background-color: #0080C0; padding-top: 11px;");
170    imgIcon->setAlignment(Qt::AlignTop | Qt::AlignHCenter);
171    imgIcon->setMinimumWidth(150);
172
173    labelHint = new QLabel(bgGrey);
174    labelHint->setObjectName("labelHint");
175    labelHint->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Preferred);
176    labelHint->setMinimumSize(QSize(250, 28));
177    labelHint->setMaximumSize(QSize(QWIDGETSIZE_MAX, 28));
178    labelHint->setTextFormat(Qt::PlainText);
179//      labelHint->setAlignment(Qt::AlignLeft | Qt::AlignTop);
180    labelHint->setWordWrap(true);
181#ifndef QT_NO_STATUSTIP
182    labelHint->setStatusTip(tr("Hover mouse pointer over dialog elements to get additional help"));
183#endif // QT_NO_STATUSTIP
184
185    lineVertical = new QFrame(this);
186    lineVertical->setObjectName("lineVertical");
187    lineVertical->setFrameShadow(QFrame::Plain);
188    lineVertical->setFrameShape(QFrame::VLine);
189    lineVertical->setLineWidth(2);
190
191    // Top line
192    hbox = new QHBoxLayout();
193    hbox->addWidget(imgIcon);
194    hbox->addWidget(lineVertical);
195    hbox->addWidget(bgWhite);
196
197    box = static_cast<QBoxLayout *>(tabGeneral->layout());
198    box->insertWidget(box->indexOf(cbUseNativeDialogs) + 1, cbSaveState);
199#ifndef HANDHELD
200    if (QtWin::isCompositionEnabled())
201        box->insertWidget(box->indexOf(cbUseNativeDialogs) + 1, cbUseTranslucency);
202#endif // HANDHELD
203
204    // Inserting label for hints to the bottom part (with grey bg)
205    buttons->insertWidget(buttons->indexOf(buttonHelp) + 1, labelHint, 1);
206
207    // Central layout
208    vbox = new QVBoxLayout(this);
209    vbox->setMargin(0);
210    vbox->setSpacing(0);
211    vbox->addLayout(hbox);
212    vbox->addWidget(bgGrey);
213    setLayout(vbox);
214#endif // HANDHELD
215
216#ifdef Q_WS_WINCE_WM
217    // We need to react to SIP show/hide and resize the window appropriately
218    connect(QApplication::desktop(), SIGNAL(workAreaResized(int)), SLOT(desktopResized(int)));
219#endif // Q_WS_WINCE_WM
220    connect(spinRandMin, SIGNAL(valueChanged(int)), SLOT(spinRandMinValueChanged(int)));
221    connect(buttonFont, SIGNAL(clicked()), SLOT(buttonFontClicked()));
222    connect(buttonColor, SIGNAL(clicked()), SLOT(buttonColorClicked()));
223    setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
224#if !defined(QT_NO_STATUSTIP) && !defined(HANDHELD)
225    // Setting initial text of dialog hint label to own status tip text.
226    labelHint->setText(labelHint->statusTip());
227#endif // HANDHELD
228
229    settings = new QSettings(QSettings::IniFormat, QSettings::UserScope, "TSPSG", "tspsg", this);
230    settings->remove("SettingsReset");
231
232    cbAutosize->setChecked(settings->value("Autosize", DEF_AUTOSIZE).toBool());
233    cbSaveLastUsed->setChecked(settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool());
234    cbUseNativeDialogs->setChecked(settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool());
235#ifndef HANDHELD
236    if (QtWin::isCompositionEnabled())
237        cbUseTranslucency->setChecked(settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool());
238#endif // HANDHELD
239#ifndef HANDHELD
240    cbSaveState->setChecked(settings->value("SavePos", DEF_SAVEPOS).toBool());
241#endif // HANDHELD
242    if (cbCheck4Updates != NULL) {
243        settings->beginGroup("Check4Updates");
244        cbCheck4Updates->setChecked(settings->value("Enabled", DEF_CHECK_FOR_UPDATES).toBool());
245        spinUpdateCheckInterval->setValue(settings->value("Interval", DEF_UPDATE_CHECK_INTERVAL).toInt());
246        settings->endGroup();
247        spinUpdateCheckInterval->setEnabled(cbCheck4Updates->isChecked());
248    }
249
250    settings->beginGroup("Task");
251    cbSymmetricMode->setChecked(settings->value("SymmetricMode", DEF_SYMMETRIC_MODE).toBool());
252    spinFractionalAccuracy->setValue(settings->value("FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt());
253    spinRandMin->setMaximum(MAX_RAND_VALUE);
254    spinRandMin->setValue(settings->value("RandMin",DEF_RAND_MIN).toInt());
255    spinRandMax->setMaximum(MAX_RAND_VALUE);
256    spinRandMax->setValue(settings->value("RandMax",DEF_RAND_MAX).toInt());
257    cbFractionalRandom->setChecked(settings->value("FractionalRandom", DEF_FRACTIONAL_RANDOM).toBool());
258    settings->endGroup();
259
260    settings->beginGroup("Output");
261    cbGenerateGraph->setChecked(settings->value("GenerateGraph", DEF_GENERATE_GRAPH).toBool());
262
263#ifndef QT_NO_PRINTER
264    cbHQGraph->setEnabled(cbGenerateGraph->isChecked());
265    cbHQGraph->setChecked(settings->value("HQGraph", DEF_HQ_GRAPH).toBool());
266#endif
267
268#if !defined(NOSVG) && (QT_VERSION >= 0x040500)
269    comboGraphImageFormat->addItem("svg");
270#endif // NOSVG && QT_VERSION >= 0x040500
271    // We create whitelist of formats, supported by the most popular web browsers according to
272    //  http://en.wikipedia.org/wiki/Comparison_of_web_browsers#Image_format_support
273    //  + TIFF format (there are plugins to support it).
274QStringList whitelist;
275    whitelist << "bmp" << "jpeg" << "png" << "tiff" << "xbm";
276    foreach (QByteArray format, QImageWriter::supportedImageFormats()) {
277        if (whitelist.contains(format))
278            comboGraphImageFormat->addItem(format);
279    }
280    comboGraphImageFormat->model()->sort(0);
281    comboGraphImageFormat->setCurrentIndex(comboGraphImageFormat->findText(settings->value("GraphImageFormat", DEF_GRAPH_IMAGE_FORMAT).toString(), Qt::MatchFixedString));
282    if (comboGraphImageFormat->currentIndex() < 0)
283        comboGraphImageFormat->setCurrentIndex(comboGraphImageFormat->findText(DEF_GRAPH_IMAGE_FORMAT, Qt::MatchFixedString));
284    labelGraphImageFormat->setEnabled(cbGenerateGraph->isChecked());
285    comboGraphImageFormat->setEnabled(cbGenerateGraph->isChecked());
286    cbEmbedGraphIntoHTML->setChecked(settings->value("EmbedGraphIntoHTML", DEF_EMBED_GRAPH_INTO_HTML).toBool());
287    cbEmbedGraphIntoHTML->setEnabled(cbGenerateGraph->isChecked());
288
289    cbShowMatrix->setChecked(settings->value("ShowMatrix", DEF_SHOW_MATRIX).toBool());
290    cbCitiesLimit->setEnabled(cbShowMatrix->isChecked());
291    cbCitiesLimit->setChecked(settings->value("UseShowMatrixLimit", DEF_USE_SHOW_MATRIX_LIMIT && cbShowMatrix->isChecked()).toBool());
292    spinCitiesLimit->setEnabled(cbShowMatrix->isChecked() && cbCitiesLimit->isChecked());
293    spinCitiesLimit->setValue(settings->value("ShowMatrixLimit", DEF_SHOW_MATRIX_LIMIT).toInt());
294    spinCitiesLimit->setMaximum(MAX_NUM_CITIES);
295    cbScrollToEnd->setChecked(settings->value("ScrollToEnd", DEF_SCROLL_TO_END).toBool());
296
297    font = qvariant_cast<QFont>(settings->value("Font", QFont(DEF_FONT_FACE, DEF_FONT_SIZE)));
298    color = qvariant_cast<QColor>(settings->value("Colors/Text", DEF_TEXT_COLOR));
299    settings->endGroup();
300
301#ifdef HANDHELD
302    setWindowState(Qt::WindowMaximized);
303#else
304    adjustSize();
305#endif // Q_WS_WINCE_WM
306}
307
308/*!
309 * \brief Indicates whether or not the font color has been changed.
310 * \return \c true if font color changed, otherwise \c false.
311 */
312bool SettingsDialog::colorChanged() const
313{
314    return _newColor;
315}
316
317/*!
318 * \brief Indicates whether or not the font properties have been changed.
319 * \return \c true if font properties changed, otherwise \c false.
320 */
321bool SettingsDialog::fontChanged() const
322{
323    return _newFont;
324}
325
326/*!
327 * \brief Indicates whether and how the translucency setting was changed
328 * \retval -1 the translucency was \em disabled.
329 * \retval  0 the translucency <em>didn't change</em>.
330 * \retval  1 the translucency was \em enabled.
331 */
332qint8 SettingsDialog::translucencyChanged() const
333{
334    return _translucency;
335}
336
337/* Privates **********************************************************/
338
339void SettingsDialog::accept()
340{
341    if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
342        if (QMessageBox::question(this, tr("Settings Reset"), tr("Do you really want to <b>reset all application settings to their defaults</b>?"), QMessageBox::RestoreDefaults | QMessageBox::Cancel) == QMessageBox::RestoreDefaults) {
343            _newFont = (font != QFont(DEF_FONT_FACE, DEF_FONT_SIZE));
344            _newColor = (color != DEF_TEXT_COLOR);
345            settings->remove("");
346            settings->setValue("SettingsReset", true);
347            QDialog::accept();
348            QMessageBox::information(this->parentWidget(), tr("Settings Reset"), tr("All settings where successfully reset to their defaults.\nIt is recommended to restart the application now."));
349            return;
350        } else
351            return;
352    }
353    settings->setValue("Autosize", cbAutosize->isChecked());
354    settings->setValue("SaveLastUsed", cbSaveLastUsed->isChecked());
355    settings->setValue("UseNativeDialogs", cbUseNativeDialogs->isChecked());
356#ifndef HANDHELD
357    if (QtWin::isCompositionEnabled()) {
358bool old = settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool();
359        if ((!old && cbUseTranslucency->isChecked()) || (old && !cbUseTranslucency->isChecked())) {
360            _translucency = old ? -1 : 1;
361        } else
362            _translucency = 0;
363        settings->setValue("UseTranslucency", cbUseTranslucency->isChecked());
364    }
365    settings->setValue("SavePos", cbSaveState->isChecked());
366#endif // HANDHELD
367    if (cbCheck4Updates != NULL) {
368        settings->beginGroup("Check4Updates");
369        settings->setValue("Enabled", cbCheck4Updates->isChecked());
370        if (cbCheck4Updates->isChecked())
371            settings->setValue("Interval", spinUpdateCheckInterval->value());
372        settings->endGroup();
373    }
374
375    settings->beginGroup("Task");
376    settings->setValue("SymmetricMode", cbSymmetricMode->isChecked());
377    settings->setValue("FractionalAccuracy", spinFractionalAccuracy->value());
378    settings->setValue("RandMin", spinRandMin->value());
379    settings->setValue("RandMax", spinRandMax->value());
380    settings->setValue("FractionalRandom", cbFractionalRandom->isChecked());
381    settings->endGroup();
382
383    settings->beginGroup("Output");
384    settings->setValue("GenerateGraph", cbGenerateGraph->isChecked());
385    if (cbGenerateGraph->isChecked()) {
386#ifndef QT_NO_PRINTER
387        settings->setValue("HQGraph", cbHQGraph->isChecked());
388#endif
389        if (cbGenerateGraph->isChecked()) {
390            if (comboGraphImageFormat->currentIndex() >= 0)
391                settings->setValue("GraphImageFormat", comboGraphImageFormat->currentText());
392            else
393                settings->setValue("GraphImageFormat", DEF_GRAPH_IMAGE_FORMAT);
394        }
395        settings->setValue("EmbedGraphIntoHTML", cbEmbedGraphIntoHTML->isChecked());
396    }
397    settings->setValue("ShowMatrix", cbShowMatrix->isChecked());
398    settings->setValue("UseShowMatrixLimit", cbShowMatrix->isChecked() && cbCitiesLimit->isChecked());
399    if (cbCitiesLimit->isChecked())
400        settings->setValue("ShowMatrixLimit", spinCitiesLimit->value());
401    settings->setValue("ScrollToEnd", cbScrollToEnd->isChecked());
402    if (_newFont)
403        settings->setValue("Font", font);
404    if (_newColor)
405        settings->setValue("Colors/Text", color);
406    settings->endGroup();
407    QDialog::accept();
408}
409
410void SettingsDialog::buttonColorClicked()
411{
412QColor color = QColorDialog::getColor(this->color,this);
413    if (color.isValid() && (this->color != color)) {
414        this->color = color;
415        _newColor = true;
416    }
417}
418
419void SettingsDialog::buttonFontClicked()
420{
421    QFontDialog fd(font, this);
422#ifdef Q_OS_BLACKBERRY
423    fd.setWindowState(Qt::WindowMaximized);
424#endif
425    if ((fd.exec() != QDialog::Accepted) || (fd.selectedFont() == font))
426        return;
427    font = fd.selectedFont();
428    _newFont = true;
429}
430
431#ifdef Q_WS_WINCE_WM
432void SettingsDialog::desktopResized(int screen)
433{
434    if (screen != 0)
435        return;
436
437QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
438    if (currentGeometry != availableGeometry) {
439        QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
440        /*!
441         * \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
442         *  If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
443         *  window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
444         */
445        if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
446            setWindowState(windowState() | Qt::WindowMaximized);
447        } else {
448            if (windowState() & Qt::WindowMaximized)
449                setWindowState(windowState() ^ Qt::WindowMaximized);
450            setGeometry(availableGeometry);
451        }
452        currentGeometry = availableGeometry;
453        QApplication::restoreOverrideCursor();
454    }
455}
456
457void SettingsDialog::showEvent(QShowEvent *ev)
458{
459    desktopResized(0);
460
461    QWidget::showEvent(ev);
462}
463#endif // Q_WS_WINCE_WM
464
465void SettingsDialog::spinRandMinValueChanged(int val) {
466    spinRandMax->setMinimum(val);
467}
468
469#if !defined(QT_NO_STATUSTIP) && !defined(HANDHELD)
470bool SettingsDialog::event(QEvent *ev)
471{
472    // Checking for StatusTip event and if tip text is not empty string
473    // setting it as text of the dialog hint label. Otherwise, setting
474    // dialog hint label text to own status tip text.
475    if (ev->type() == QEvent::StatusTip) {
476QString tip = static_cast<QStatusTipEvent *>(ev)->tip();
477        if (tip.length() != 0)
478            labelHint->setText(tip);
479        else
480            labelHint->setText(labelHint->statusTip());
481        return true;
482    } else
483        return QDialog::event(ev);
484}
485#endif // HANDHELD
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