source: tspsg-svn/trunk/src/settingsdialog.cpp @ 143

Last change on this file since 143 was 143, checked in by laleppa, 14 years ago

Some small tweaks...
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File size: 18.1 KB
Line 
1/*
2 *  TSPSG: TSP Solver and Generator
3 *  Copyright (C) 2007-2010 Lёppa <contacts[at]oleksii[dot]name>
4 *
5 *  $Id: settingsdialog.cpp 143 2010-10-13 20:25:51Z laleppa $
6 *  $URL: https://tspsg.svn.sourceforge.net/svnroot/tspsg/trunk/src/settingsdialog.cpp $
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(cbShowGraph) + 1, hbox);
79        connect(cbShowGraph, 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#ifdef Q_WS_WIN32
145        if (QtWin::isCompositionEnabled()) {
146                cbUseTranslucency = new QCheckBox(bgWhite);
147                cbUseTranslucency->setObjectName("cbUseTranslucency");
148#ifndef QT_NO_STATUSTIP
149                cbUseTranslucency->setStatusTip(tr("Use translucent effect on the Main Window under Windows Vista and 7"));
150#endif // QT_NO_STATUSTIP
151                cbUseTranslucency->setText(tr("Use translucency effects"));
152                cbUseTranslucency->setCursor(QCursor(Qt::PointingHandCursor));
153        }
154#endif // Q_WS_WIN32
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(190,28));
177        labelHint->setMinimumSize(QSize(0,28));
178        labelHint->setMaximumSize(QSize(QWIDGETSIZE_MAX,28));
179        labelHint->setTextFormat(Qt::PlainText);
180//      labelHint->setAlignment(Qt::AlignLeft | Qt::AlignTop);
181        labelHint->setWordWrap(true);
182#ifndef QT_NO_STATUSTIP
183        labelHint->setStatusTip(tr("Hover mouse pointer over dialog elements to get additional help"));
184#endif // QT_NO_STATUSTIP
185
186        lineVertical = new QFrame(this);
187        lineVertical->setObjectName("lineVertical");
188        lineVertical->setFrameShadow(QFrame::Plain);
189        lineVertical->setFrameShape(QFrame::VLine);
190        lineVertical->setLineWidth(2);
191
192        // Top line
193        hbox = new QHBoxLayout();
194        hbox->addWidget(imgIcon);
195        hbox->addWidget(lineVertical);
196        hbox->addWidget(bgWhite);
197
198        box = static_cast<QBoxLayout *>(tabGeneral->layout());
199        box->insertWidget(box->indexOf(cbUseNativeDialogs) + 1, cbSaveState);
200#ifdef Q_WS_WIN32
201        if (QtWin::isCompositionEnabled())
202                box->insertWidget(box->indexOf(cbUseNativeDialogs) + 1, cbUseTranslucency);
203#endif // Q_WS_WIN32
204
205        // Inserting label for hints to the bottom part (with grey bg)
206        buttons->insertWidget(buttons->indexOf(buttonHelp) + 1, labelHint, 1);
207
208        // Central layout
209        vbox = new QVBoxLayout(this);
210        vbox->setMargin(0);
211        vbox->setSpacing(0);
212        vbox->addLayout(hbox);
213        vbox->addWidget(bgGrey);
214        setLayout(vbox);
215#endif // HANDHELD
216
217#ifdef Q_WS_WINCE_WM
218        // We need to react to SIP show/hide and resize the window appropriately
219        connect(QApplication::desktop(), SIGNAL(workAreaResized(int)), SLOT(desktopResized(int)));
220#endif // Q_WS_WINCE_WM
221        connect(spinRandMin, SIGNAL(valueChanged(int)), SLOT(spinRandMinValueChanged(int)));
222        connect(buttonFont, SIGNAL(clicked()), SLOT(buttonFontClicked()));
223        connect(buttonColor, SIGNAL(clicked()), SLOT(buttonColorClicked()));
224        setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
225#if !defined(QT_NO_STATUSTIP) && !defined(HANDHELD)
226        // Setting initial text of dialog hint label to own status tip text.
227        labelHint->setText(labelHint->statusTip());
228#endif // HANDHELD
229
230        settings = new QSettings(QSettings::IniFormat, QSettings::UserScope, "TSPSG", "tspsg", this);
231        settings->remove("SettingsReset");
232
233        cbAutosize->setChecked(settings->value("Autosize", DEF_AUTOSIZE).toBool());
234        cbSaveLastUsed->setChecked(settings->value("SaveLastUsed", DEF_SAVE_LAST_USED).toBool());
235        cbUseNativeDialogs->setChecked(settings->value("UseNativeDialogs", DEF_USE_NATIVE_DIALOGS).toBool());
236#ifdef Q_WS_WIN32
237        if (QtWin::isCompositionEnabled())
238                cbUseTranslucency->setChecked(settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool());
239#endif // Q_WS_WIN32
240#ifndef HANDHELD
241        cbSaveState->setChecked(settings->value("SavePos", DEF_SAVEPOS).toBool());
242#endif // HANDHELD
243        if (cbCheck4Updates != NULL) {
244                settings->beginGroup("Check4Updates");
245                cbCheck4Updates->setChecked(settings->value("Enabled", DEF_CHECK_FOR_UPDATES).toBool());
246                spinUpdateCheckInterval->setValue(settings->value("Interval", DEF_UPDATE_CHECK_INTERVAL).toInt());
247                settings->endGroup();
248                spinUpdateCheckInterval->setEnabled(cbCheck4Updates->isChecked());
249        }
250
251        settings->beginGroup("Task");
252        cbSymmetricMode->setChecked(settings->value("SymmetricMode", DEF_SYMMETRIC_MODE).toBool());
253        spinFractionalAccuracy->setValue(settings->value("FractionalAccuracy", DEF_FRACTIONAL_ACCURACY).toInt());
254        spinRandMin->setMaximum(MAX_RAND_VALUE);
255        spinRandMin->setValue(settings->value("RandMin",DEF_RAND_MIN).toInt());
256        spinRandMax->setMaximum(MAX_RAND_VALUE);
257        spinRandMax->setValue(settings->value("RandMax",DEF_RAND_MAX).toInt());
258        cbFractionalRandom->setChecked(settings->value("FractionalRandom", DEF_FRACTIONAL_RANDOM).toBool());
259        settings->endGroup();
260
261        settings->beginGroup("Output");
262        cbShowGraph->setChecked(settings->value("ShowGraph", DEF_SHOW_GRAPH).toBool());
263
264#ifndef QT_NO_PRINTER
265        cbHQGraph->setEnabled(cbShowGraph->isChecked());
266        cbHQGraph->setChecked(settings->value("HQGraph", DEF_HQ_GRAPH && cbShowGraph->isChecked()).toBool());
267#endif
268
269#if !defined(NOSVG) && (QT_VERSION >= 0x040500)
270        comboGraphImageFormat->addItem("svg");
271#endif // NOSVG && QT_VERSION >= 0x040500
272        // We create whitelist of formats, supported by the most popular web browsers according to
273        //  http://en.wikipedia.org/wiki/Comparison_of_web_browsers#Image_format_support
274        //  + TIFF format (there are plugins to support it).
275QStringList whitelist;
276        whitelist << "bmp" << "jpeg" << "png" << "tiff" << "xbm";
277        foreach (QByteArray format, QImageWriter::supportedImageFormats()) {
278                if (whitelist.contains(format))
279                        comboGraphImageFormat->addItem(format);
280        }
281        comboGraphImageFormat->model()->sort(0);
282        comboGraphImageFormat->setCurrentIndex(comboGraphImageFormat->findText(settings->value("GraphImageFormat", DEF_GRAPH_IMAGE_FORMAT).toString(), Qt::MatchFixedString));
283        if (comboGraphImageFormat->currentIndex() < 0)
284                comboGraphImageFormat->setCurrentIndex(comboGraphImageFormat->findText(DEF_GRAPH_IMAGE_FORMAT, Qt::MatchFixedString));
285        labelGraphImageFormat->setEnabled(cbShowGraph->isChecked());
286        comboGraphImageFormat->setEnabled(cbShowGraph->isChecked());
287
288        cbShowMatrix->setChecked(settings->value("ShowMatrix", DEF_SHOW_MATRIX).toBool());
289        cbCitiesLimit->setEnabled(cbShowMatrix->isChecked());
290        cbCitiesLimit->setChecked(settings->value("UseShowMatrixLimit", DEF_USE_SHOW_MATRIX_LIMIT && cbShowMatrix->isChecked()).toBool());
291        spinCitiesLimit->setEnabled(cbShowMatrix->isChecked() && cbCitiesLimit->isChecked());
292        spinCitiesLimit->setValue(settings->value("ShowMatrixLimit", DEF_SHOW_MATRIX_LIMIT).toInt());
293        spinCitiesLimit->setMaximum(MAX_NUM_CITIES);
294        cbScrollToEnd->setChecked(settings->value("ScrollToEnd", DEF_SCROLL_TO_END).toBool());
295
296        font = qvariant_cast<QFont>(settings->value("Font", QFont(DEF_FONT_FACE, DEF_FONT_SIZE)));
297        color = qvariant_cast<QColor>(settings->value("Colors/Text", DEF_TEXT_COLOR));
298        settings->endGroup();
299
300#ifdef HANDHELD
301        setWindowState(Qt::WindowMaximized);
302#else
303        adjustSize();
304#endif // Q_WS_WINCE_WM
305}
306
307/*!
308 * \brief Indicates whether or not the font color has been changed.
309 * \return \c true if font color changed, otherwise \c false.
310 */
311bool SettingsDialog::colorChanged() const
312{
313        return _newColor;
314}
315
316/*!
317 * \brief Indicates whether or not the font properties have been changed.
318 * \return \c true if font properties changed, otherwise \c false.
319 */
320bool SettingsDialog::fontChanged() const
321{
322        return _newFont;
323}
324
325/*!
326 * \brief Indicates whether and how the translucency setting was changed
327 * \retval -1 the translucency was \em disabled.
328 * \retval  0 the translucency was <em>not changed</em>.
329 * \retval  1 the translucency was \em enabled.
330 */
331qint8 SettingsDialog::translucencyChanged() const
332{
333        return _translucency;
334}
335
336/* Privates **********************************************************/
337
338void SettingsDialog::accept()
339{
340        if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
341                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) {
342                        _newFont = (font != QFont(DEF_FONT_FACE, DEF_FONT_SIZE));
343                        _newColor = (color != DEF_TEXT_COLOR);
344                        settings->remove("");
345                        settings->setValue("SettingsReset", true);
346                        QDialog::accept();
347                        QMessageBox::information(this->parentWidget(), tr("Settings Reset"), tr("All settings where successfully reset to their defaults.\nIt is recommended to restart the application now."));
348                        return;
349                } else
350                        return;
351        }
352        settings->setValue("Autosize", cbAutosize->isChecked());
353        settings->setValue("SaveLastUsed", cbSaveLastUsed->isChecked());
354        settings->setValue("UseNativeDialogs", cbUseNativeDialogs->isChecked());
355#ifdef Q_WS_WIN32
356        if (QtWin::isCompositionEnabled()) {
357bool old = settings->value("UseTranslucency", DEF_USE_TRANSLUCENCY).toBool();
358                if ((!old && cbUseTranslucency->isChecked()) || (old && !cbUseTranslucency->isChecked())) {
359                        _translucency = old ? -1 : 1;
360                } else
361                        _translucency = 0;
362                settings->setValue("UseTranslucency", cbUseTranslucency->isChecked());
363        }
364#endif // Q_WS_WIN32
365#ifndef HANDHELD
366        settings->setValue("SavePos", cbSaveState->isChecked());
367#endif // HANDHELD
368        if (cbCheck4Updates != NULL) {
369                settings->beginGroup("Check4Updates");
370                settings->setValue("Enabled", cbCheck4Updates->isChecked());
371                if (cbCheck4Updates->isChecked())
372                        settings->setValue("Interval", spinUpdateCheckInterval->value());
373                settings->endGroup();
374        }
375
376        settings->beginGroup("Task");
377        settings->setValue("SymmetricMode", cbSymmetricMode->isChecked());
378        settings->setValue("FractionalAccuracy", spinFractionalAccuracy->value());
379        settings->setValue("RandMin", spinRandMin->value());
380        settings->setValue("RandMax", spinRandMax->value());
381        settings->setValue("FractionalRandom", cbFractionalRandom->isChecked());
382        settings->endGroup();
383
384        settings->beginGroup("Output");
385        settings->setValue("ShowGraph", cbShowGraph->isChecked());
386#ifndef QT_NO_PRINTER
387        settings->setValue("HQGraph", cbShowGraph->isChecked() && cbHQGraph->isChecked());
388#endif
389        if (cbShowGraph->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("ShowMatrix", cbShowMatrix->isChecked());
396        settings->setValue("UseShowMatrixLimit", cbShowMatrix->isChecked() && cbCitiesLimit->isChecked());
397        if (cbCitiesLimit->isChecked())
398                settings->setValue("ShowMatrixLimit", spinCitiesLimit->value());
399        settings->setValue("ScrollToEnd", cbScrollToEnd->isChecked());
400        if (_newFont)
401                settings->setValue("Font", font);
402        if (_newColor)
403                settings->setValue("Colors/Text", color);
404        settings->endGroup();
405        QDialog::accept();
406}
407
408void SettingsDialog::buttonColorClicked()
409{
410QColor color = QColorDialog::getColor(this->color,this);
411        if (color.isValid() && (this->color != color)) {
412                this->color = color;
413                _newColor = true;
414        }
415}
416
417void SettingsDialog::buttonFontClicked()
418{
419bool ok;
420QFont font = QFontDialog::getFont(&ok,this->font,this);
421        if (ok && (this->font != font)) {
422                this->font = font;
423                _newFont = true;
424        }
425}
426
427#ifdef Q_WS_WINCE_WM
428void SettingsDialog::desktopResized(int screen)
429{
430        if (screen != 0)
431                return;
432
433QRect availableGeometry = QApplication::desktop()->availableGeometry(0);
434        if (currentGeometry != availableGeometry) {
435                QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
436                /*!
437                 * \hack HACK: This hack checks whether \link QDesktopWidget::availableGeometry() availableGeometry()\endlink's \c top + \c hegiht = \link QDesktopWidget::screenGeometry() screenGeometry()\endlink's \c height.
438                 *  If \c true, the window gets maximized. If we used \c setGeometry() in this case, the bottom of the
439                 *  window would end up being behind the soft buttons. Is this a bug in Qt or Windows Mobile?
440                 */
441                if ((availableGeometry.top() + availableGeometry.height()) == QApplication::desktop()->screenGeometry().height()) {
442                        setWindowState(windowState() | Qt::WindowMaximized);
443                } else {
444                        if (windowState() & Qt::WindowMaximized)
445                                setWindowState(windowState() ^ Qt::WindowMaximized);
446                        setGeometry(availableGeometry);
447                }
448                currentGeometry = availableGeometry;
449                QApplication::restoreOverrideCursor();
450        }
451}
452
453void SettingsDialog::showEvent(QShowEvent *ev)
454{
455        desktopResized(0);
456
457        QWidget::showEvent(ev);
458}
459#endif // Q_WS_WINCE_WM
460
461void SettingsDialog::spinRandMinValueChanged(int val) {
462        spinRandMax->setMinimum(val);
463}
464
465#if !defined(QT_NO_STATUSTIP) && !defined(HANDHELD)
466bool SettingsDialog::event(QEvent *ev)
467{
468        // Checking for StatusTip event and if tip text is not empty string
469        // setting it as text of the dialog hint label. Otherwise, setting
470        // dialog hint label text to own status tip text.
471        if (ev->type() == QEvent::StatusTip) {
472QString tip = static_cast<QStatusTipEvent *>(ev)->tip();
473                if (tip.length() != 0)
474                        labelHint->setText(tip);
475                else
476                        labelHint->setText(labelHint->statusTip());
477                return true;
478        } else
479                return QDialog::event(ev);
480}
481#endif // HANDHELD
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