src/qtui/settingspages/appearancesettingspage.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-09 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "appearancesettingspage.h"
  22
  23 #include "buffersettings.h"
  24 #include "chatviewsettings.h"
  25 #include "qtui.h"
  26 #include "qtuisettings.h"
  27 #include "qtuistyle.h"
  28 #include "util.h"
  29
  30 #include <QCheckBox>
  31 #include <QDir>
  32 #include <QFileDialog>
  33 #include <QFontDialog>
  34 #include <QSignalMapper>
  35 #include <QStyleFactory>
  36
  37 AppearanceSettingsPage::AppearanceSettingsPage(QWidget *parent)
  38   : SettingsPage(tr("Appearance"), QString(), parent),
  39   _fontsChanged(false)
  40 {
  41   ui.setupUi(this);
  42   initAutoWidgets();
  43   initStyleComboBox();
  44   initLanguageComboBox();
  45
  46 #ifndef HAVE_WEBKIT
  47   ui.showWebPreview->hide();
  48   ui.showWebPreview->setEnabled(false);
  49 #endif
  50
  51   foreach(QComboBox *comboBox, findChildren<QComboBox *>()) {
  52     connect(comboBox, SIGNAL(currentIndexChanged(QString)), this, SLOT(widgetHasChanged()));
  53   }
  54   foreach(QCheckBox *checkBox, findChildren<QCheckBox *>()) {
  55     connect(checkBox, SIGNAL(clicked()), this, SLOT(widgetHasChanged()));
  56   }
  57
  58   mapper = new QSignalMapper(this);
  59   connect(mapper, SIGNAL(mapped(QWidget *)), this, SLOT(chooseFont(QWidget *)));
  60
  61   connect(ui.chooseInputLine, SIGNAL(clicked()), mapper, SLOT(map()));
  62
  63   mapper->setMapping(ui.chooseInputLine, ui.demoInputLine);
  64
  65   connect(ui.chooseStyleSheet, SIGNAL(clicked()), SLOT(chooseStyleSheet()));
  66 }
  67
  68 void AppearanceSettingsPage::initStyleComboBox() {
  69   QStringList styleList = QStyleFactory::keys();
  70   ui.styleComboBox->addItem(tr("<System Default>"));
  71   foreach(QString style, styleList) {
  72     ui.styleComboBox->addItem(style);
  73   }
  74 }
  75
  76 void AppearanceSettingsPage::initLanguageComboBox() {
  77   QDir i18nDir(Quassel::translationDirPath(), "quassel_*.qm");
  78
  79   foreach(QString translationFile, i18nDir.entryList()) {
  80     QString localeName(translationFile.mid(8));
  81     localeName.chop(3);
  82     QLocale locale(localeName);
  83     _locales << locale;
  84     ui.languageComboBox->addItem(QLocale::languageToString(locale.language()));
  85   }
  86 }
  87
  88 void AppearanceSettingsPage::defaults() {
  89   ui.styleComboBox->setCurrentIndex(0);
  90
  91   loadFonts(Settings::Default);
  92   _fontsChanged = true;
  93
  94   SettingsPage::defaults();
  95   widgetHasChanged();
  96 }
  97
  98 void AppearanceSettingsPage::load() {
  99   QtUiSettings uiSettings;
 100
 101   // Gui Style
 102   QString style = uiSettings.value("Style", QString("")).toString();
 103   if(style.isEmpty()) {
 104     ui.styleComboBox->setCurrentIndex(0);
 105   } else {
 106     ui.styleComboBox->setCurrentIndex(ui.styleComboBox->findText(style, Qt::MatchExactly));
 107     QApplication::setStyle(style);
 108   }
 109   ui.styleComboBox->setProperty("storedValue", ui.styleComboBox->currentIndex());
 110
 111   // Language
 112   QLocale locale = uiSettings.value("Locale", QLocale::system()).value<QLocale>();
 113   if(locale == QLocale::system())
 114     ui.languageComboBox->setCurrentIndex(0);
 115   else if(locale.language() == QLocale::C)
 116     ui.languageComboBox->setCurrentIndex(1);
 117   else
 118     ui.languageComboBox->setCurrentIndex(ui.languageComboBox->findText(QLocale::languageToString(locale.language()), Qt::MatchExactly));
 119   ui.languageComboBox->setProperty("storedValue", ui.languageComboBox->currentIndex());
 120   Quassel::loadTranslation(selectedLocale());
 121
 122   loadFonts(Settings::Custom);
 123
 124   SettingsPage::load();
 125   setChangedState(false);
 126 }
 127
 128 void AppearanceSettingsPage::loadFonts(Settings::Mode mode) {
 129   QtUiStyleSettings s("Fonts");
 130
 131   QFont inputLineFont;
 132   if(mode == Settings::Custom)
 133     inputLineFont = s.value("InputLine", QFont()).value<QFont>();
 134   setFont(ui.demoInputLine, inputLineFont);
 135
 136   _fontsChanged = false;
 137 }
 138
 139 void AppearanceSettingsPage::save() {
 140   QtUiSettings uiSettings;
 141
 142   if(ui.styleComboBox->currentIndex() < 1) {
 143     uiSettings.setValue("Style", QString(""));
 144   } else {
 145     uiSettings.setValue("Style", ui.styleComboBox->currentText());
 146   }
 147
 148   if(ui.languageComboBox->currentIndex() == 0) {
 149     uiSettings.remove("Locale"); // force the default (QLocale::system())
 150   } else {
 151     uiSettings.setValue("Locale", selectedLocale());
 152   }
 153
 154   // Fonts
 155   QtUiStyleSettings fontSettings("Fonts");
 156   if(ui.demoInputLine->font() != QApplication::font())
 157     fontSettings.setValue("InputLine", ui.demoInputLine->font());
 158   else
 159     fontSettings.setValue("InputLine", "");
 160
 161   _fontsChanged = false;
 162
 163   bool needsStyleReload =
 164         ui.useCustomStyleSheet->isChecked() != ui.useCustomStyleSheet->property("storedValue").toBool()
 165     || (ui.useCustomStyleSheet->isChecked() && ui.customStyleSheetPath->text() != ui.customStyleSheetPath->property("storedValue").toString());
 166
 167   SettingsPage::save();
 168   setChangedState(false);
 169   if(needsStyleReload)
 170     QtUi::style()->reload();
 171 }
 172
 173 QLocale AppearanceSettingsPage::selectedLocale() const {
 174   QLocale locale;
 175   int index = ui.languageComboBox->currentIndex();
 176   if(index == 0)
 177     locale = QLocale::system();
 178   else if(index == 1)
 179     locale = QLocale::c();
 180   else if(index > 1)
 181     locale = _locales[index - 2];
 182
 183   return locale;
 184 }
 185
 186 void AppearanceSettingsPage::setFont(QLabel *label, const QFont &font_) {
 187   QFont font = font_;
 188   if(font.family().isEmpty())
 189     font = QApplication::font();
 190   label->setFont(font);
 191   label->setText(QString("%1 %2").arg(font.family()).arg(font.pointSize()));
 192   widgetHasChanged();
 193 }
 194
 195 void AppearanceSettingsPage::chooseFont(QWidget *widget) {
 196   QLabel *label = qobject_cast<QLabel *>(widget);
 197   Q_ASSERT(label);
 198   bool ok;
 199   QFont font = QFontDialog::getFont(&ok, label->font());
 200   if(ok) {
 201     _fontsChanged = true;
 202     setFont(label, font);
 203   }
 204 }
 205
 206 void AppearanceSettingsPage::chooseStyleSheet() {
 207   QString name = QFileDialog::getOpenFileName(this, tr("Please choose a stylesheet file"), QString(), "*.qss");
 208   if(!name.isEmpty())
 209     ui.customStyleSheetPath->setText(name);
 210 }
 211
 212 void AppearanceSettingsPage::widgetHasChanged() {
 213   setChangedState(testHasChanged());
 214 }
 215
 216 bool AppearanceSettingsPage::testHasChanged() {
 217   if(_fontsChanged) return true; // comparisons are nasty for now
 218
 219   if(ui.styleComboBox->currentIndex() != ui.styleComboBox->property("storedValue").toInt()) return true;
 220
 221   if(selectedLocale() != QLocale()) return true; // QLocale() returns the default locale (manipulated via loadTranslation())
 222
 223   return false;
 224 }