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 <QDir>
  31 #include <QFontDialog>
  32 #include <QSignalMapper>
  33 #include <QStyleFactory>
  34
  35 AppearanceSettingsPage::AppearanceSettingsPage(QWidget *parent)
  36   : SettingsPage(tr("Appearance"), QString(), parent)
  37 {
  38   ui.setupUi(this);
  39   initStyleComboBox();
  40   initLanguageComboBox();
  41
  42 #ifndef HAVE_WEBKIT
  43   ui.showWebPreview->hide();
  44   ui.showWebPreview->setEnabled(false);
  45 #endif
  46
  47   foreach(QComboBox *comboBox, findChildren<QComboBox *>()) {
  48     connect(comboBox, SIGNAL(currentIndexChanged(QString)), this, SLOT(widgetHasChanged()));
  49   }
  50   foreach(QCheckBox *checkBox, findChildren<QCheckBox *>()) {
  51     connect(checkBox, SIGNAL(clicked()), this, SLOT(widgetHasChanged()));
  52   }
  53
  54   mapper = new QSignalMapper(this);
  55   connect(mapper, SIGNAL(mapped(QWidget *)), this, SLOT(chooseFont(QWidget *)));
  56
  57   connect(ui.chooseChatView, SIGNAL(clicked()), mapper, SLOT(map()));
  58   connect(ui.chooseBufferView, SIGNAL(clicked()), mapper, SLOT(map()));
  59   connect(ui.chooseInputLine, SIGNAL(clicked()), mapper, SLOT(map()));
  60
  61   mapper->setMapping(ui.chooseChatView, ui.demoChatView);
  62   mapper->setMapping(ui.chooseBufferView, ui.demoBufferView);
  63   mapper->setMapping(ui.chooseInputLine, ui.demoInputLine);
  64 }
  65
  66 void AppearanceSettingsPage::initStyleComboBox() {
  67   QStringList styleList = QStyleFactory::keys();
  68   ui.styleComboBox->addItem(tr("<System Default>"));
  69   foreach(QString style, styleList) {
  70     ui.styleComboBox->addItem(style);
  71   }
  72 }
  73
  74 void AppearanceSettingsPage::initLanguageComboBox() {
  75   QDir i18nDir(Quassel::translationDirPath(), "quassel_*.qm");
  76
  77   foreach(QString translationFile, i18nDir.entryList()) {
  78     QString localeName(translationFile.mid(8));
  79     localeName.chop(3);
  80     QLocale locale(localeName);
  81     _locales << locale;
  82     ui.languageComboBox->addItem(QLocale::languageToString(locale.language()));
  83   }
  84 }
  85
  86 void AppearanceSettingsPage::defaults() {
  87   ui.styleComboBox->setCurrentIndex(0);
  88
  89   loadFonts(Settings::Default);
  90   _fontsChanged = true;
  91   widgetHasChanged();
  92 }
  93
  94 void AppearanceSettingsPage::load() {
  95   QtUiSettings uiSettings;
  96
  97   // Gui Style
  98   settings["Style"] = uiSettings.value("Style", QString(""));
  99   if(settings["Style"].toString() == "") {
 100     ui.styleComboBox->setCurrentIndex(0);
 101   } else {
 102     ui.styleComboBox->setCurrentIndex(ui.styleComboBox->findText(settings["Style"].toString(), Qt::MatchExactly));
 103     QApplication::setStyle(settings["Style"].toString());
 104   }
 105
 106   // Language
 107   QLocale locale = uiSettings.value("Locale", QLocale::system()).value<QLocale>();
 108   if(locale == QLocale::system())
 109     ui.languageComboBox->setCurrentIndex(0);
 110   else if(locale.language() == QLocale::C)
 111     ui.languageComboBox->setCurrentIndex(1);
 112   else
 113     ui.languageComboBox->setCurrentIndex(ui.languageComboBox->findText(QLocale::languageToString(locale.language()), Qt::MatchExactly));
 114   Quassel::loadTranslation(selectedLocale());
 115
 116   ChatViewSettings chatViewSettings;
 117   SettingsPage::load(ui.showWebPreview, chatViewSettings.showWebPreview());
 118
 119   BufferSettings bufferSettings;
 120   SettingsPage::load(ui.showUserStateIcons, bufferSettings.showUserStateIcons());
 121
 122   loadFonts(Settings::Custom);
 123
 124   setChangedState(false);
 125 }
 126
 127 void AppearanceSettingsPage::loadFonts(Settings::Mode mode) {
 128   QtUiStyleSettings s("Fonts");
 129
 130   QFont inputLineFont;
 131   if(mode == Settings::Custom)
 132     inputLineFont = s.value("InputLine", QFont()).value<QFont>();
 133   setFont(ui.demoInputLine, inputLineFont);
 134
 135   QFont bufferViewFont;
 136   if(mode == Settings::Custom)
 137     bufferViewFont = s.value("BufferView", QFont()).value<QFont>();
 138   setFont(ui.demoBufferView, bufferViewFont);
 139
 140   QTextCharFormat chatFormat = QtUi::style()->format(UiStyle::None, mode);
 141   setFont(ui.demoChatView, chatFormat.font());
 142
 143   _fontsChanged = false;
 144 }
 145
 146 void AppearanceSettingsPage::save() {
 147   QtUiSettings uiSettings;
 148
 149   if(ui.styleComboBox->currentIndex() < 1) {
 150     uiSettings.setValue("Style", QString(""));
 151   } else {
 152     uiSettings.setValue("Style", ui.styleComboBox->currentText());
 153   }
 154
 155   if(ui.languageComboBox->currentIndex() == 0) {
 156     uiSettings.remove("Locale"); // force the default (QLocale::system())
 157   } else {
 158     uiSettings.setValue("Locale", selectedLocale());
 159   }
 160
 161   ChatViewSettings chatViewSettings;
 162   chatViewSettings.enableWebPreview(ui.showWebPreview->isChecked());
 163
 164   BufferSettings bufferSettings;
 165   bufferSettings.enableUserStateIcons(ui.showUserStateIcons->isChecked());
 166
 167   // Fonts
 168   QtUiStyleSettings fontSettings("Fonts");
 169   if(ui.demoInputLine->font() != QApplication::font())
 170     fontSettings.setValue("InputLine", ui.demoInputLine->font());
 171   else
 172     fontSettings.setValue("InputLine", "");
 173
 174   if(ui.demoBufferView->font() != QApplication::font())
 175     fontSettings.setValue("BufferView", ui.demoBufferView->font());
 176   else
 177     fontSettings.setValue("BufferView", "");
 178
 179   QTextCharFormat chatFormat = QtUi::style()->format(UiStyle::None);
 180   chatFormat.setFont(ui.demoChatView->font());
 181   QtUi::style()->setFormat(UiStyle::None, chatFormat, Settings::Custom);
 182
 183   _fontsChanged = false;
 184
 185   load();
 186   setChangedState(false);
 187 }
 188
 189 QLocale AppearanceSettingsPage::selectedLocale() const {
 190   QLocale locale;
 191   int index = ui.languageComboBox->currentIndex();
 192   if(index == 0)
 193     locale = QLocale::system();
 194   else if(index == 1)
 195     locale = QLocale::c();
 196   else if(index > 1)
 197     locale = _locales[index - 2];
 198
 199   return locale;
 200 }
 201
 202 void AppearanceSettingsPage::setFont(QLabel *label, const QFont &font_) {
 203   QFont font = font_;
 204   if(font.family().isEmpty())
 205     font = QApplication::font();
 206   label->setFont(font);
 207   label->setText(QString("%1 %2").arg(font.family()).arg(font.pointSize()));
 208   widgetHasChanged();
 209 }
 210
 211 void AppearanceSettingsPage::chooseFont(QWidget *widget) {
 212   QLabel *label = qobject_cast<QLabel *>(widget);
 213   Q_ASSERT(label);
 214   bool ok;
 215   QFont font = QFontDialog::getFont(&ok, label->font());
 216   if(ok) {
 217     setFont(label, font);
 218     _fontsChanged = true;
 219   }
 220 }
 221
 222 void AppearanceSettingsPage::widgetHasChanged() {
 223   setChangedState(testHasChanged());
 224 }
 225
 226 bool AppearanceSettingsPage::testHasChanged() {
 227   if(_fontsChanged) return true; // comparisons are nasty for now
 228
 229   if(settings["Style"].toString() != ui.styleComboBox->currentText()) return true;
 230   if(selectedLocale() != QLocale()) return true; // QLocale() returns the default locale (manipulated via loadTranslation())
 231
 232   if(SettingsPage::hasChanged(ui.showWebPreview)) return true;
 233   if(SettingsPage::hasChanged(ui.showUserStateIcons)) return true;
 234
 235   return false;
 236 }