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   _fontsChanged(false)
  38 {
  39   ui.setupUi(this);
  40   initStyleComboBox();
  41   initLanguageComboBox();
  42
  43 #ifndef HAVE_WEBKIT
  44   ui.showWebPreview->hide();
  45   ui.showWebPreview->setEnabled(false);
  46 #endif
  47
  48   foreach(QComboBox *comboBox, findChildren<QComboBox *>()) {
  49     connect(comboBox, SIGNAL(currentIndexChanged(QString)), this, SLOT(widgetHasChanged()));
  50   }
  51   foreach(QCheckBox *checkBox, findChildren<QCheckBox *>()) {
  52     connect(checkBox, SIGNAL(clicked()), this, SLOT(widgetHasChanged()));
  53   }
  54
  55   mapper = new QSignalMapper(this);
  56   connect(mapper, SIGNAL(mapped(QWidget *)), this, SLOT(chooseFont(QWidget *)));
  57
  58   connect(ui.chooseChatView, SIGNAL(clicked()), mapper, SLOT(map()));
  59   connect(ui.chooseBufferView, SIGNAL(clicked()), mapper, SLOT(map()));
  60   connect(ui.chooseInputLine, SIGNAL(clicked()), mapper, SLOT(map()));
  61
  62   mapper->setMapping(ui.chooseChatView, ui.demoChatView);
  63   mapper->setMapping(ui.chooseBufferView, ui.demoBufferView);
  64   mapper->setMapping(ui.chooseInputLine, ui.demoInputLine);
  65 }
  66
  67 void AppearanceSettingsPage::initStyleComboBox() {
  68   QStringList styleList = QStyleFactory::keys();
  69   ui.styleComboBox->addItem(tr("<System Default>"));
  70   foreach(QString style, styleList) {
  71     ui.styleComboBox->addItem(style);
  72   }
  73 }
  74
  75 void AppearanceSettingsPage::initLanguageComboBox() {
  76   QDir i18nDir(Quassel::translationDirPath(), "quassel_*.qm");
  77
  78   foreach(QString translationFile, i18nDir.entryList()) {
  79     QString localeName(translationFile.mid(8));
  80     localeName.chop(3);
  81     QLocale locale(localeName);
  82     _locales << locale;
  83     ui.languageComboBox->addItem(QLocale::languageToString(locale.language()));
  84   }
  85 }
  86
  87 void AppearanceSettingsPage::defaults() {
  88   ui.styleComboBox->setCurrentIndex(0);
  89
  90   loadFonts(Settings::Default);
  91   _fontsChanged = true;
  92
  93   ui.showWebPreview->setChecked(true);
  94   ui.showUserStateIcons->setChecked(true);
  95
  96   widgetHasChanged();
  97 }
  98
  99 void AppearanceSettingsPage::load() {
 100   QtUiSettings uiSettings;
 101
 102   // Gui Style
 103   QString style = uiSettings.value("Style", QString("")).toString();
 104   if(style.isEmpty()) {
 105     ui.styleComboBox->setCurrentIndex(0);
 106   } else {
 107     ui.styleComboBox->setCurrentIndex(ui.styleComboBox->findText(style, Qt::MatchExactly));
 108     QApplication::setStyle(style);
 109   }
 110   ui.styleComboBox->setProperty("storedValue", ui.styleComboBox->currentIndex());
 111
 112   // Language
 113   QLocale locale = uiSettings.value("Locale", QLocale::system()).value<QLocale>();
 114   if(locale == QLocale::system())
 115     ui.languageComboBox->setCurrentIndex(0);
 116   else if(locale.language() == QLocale::C)
 117     ui.languageComboBox->setCurrentIndex(1);
 118   else
 119     ui.languageComboBox->setCurrentIndex(ui.languageComboBox->findText(QLocale::languageToString(locale.language()), Qt::MatchExactly));
 120   ui.languageComboBox->setProperty("storedValue", ui.languageComboBox->currentIndex());
 121   Quassel::loadTranslation(selectedLocale());
 122
 123   ChatViewSettings chatViewSettings;
 124   SettingsPage::load(ui.showWebPreview, chatViewSettings.showWebPreview());
 125
 126   BufferSettings bufferSettings;
 127   SettingsPage::load(ui.showUserStateIcons, bufferSettings.showUserStateIcons());
 128
 129   loadFonts(Settings::Custom);
 130
 131   setChangedState(false);
 132 }
 133
 134 void AppearanceSettingsPage::loadFonts(Settings::Mode mode) {
 135   QtUiStyleSettings s("Fonts");
 136
 137   QFont inputLineFont;
 138   if(mode == Settings::Custom)
 139     inputLineFont = s.value("InputLine", QFont()).value<QFont>();
 140   setFont(ui.demoInputLine, inputLineFont);
 141
 142   QFont bufferViewFont;
 143   if(mode == Settings::Custom)
 144     bufferViewFont = s.value("BufferView", QFont()).value<QFont>();
 145   setFont(ui.demoBufferView, bufferViewFont);
 146
 147   QTextCharFormat chatFormat = QtUi::style()->format(UiStyle::None, mode);
 148   setFont(ui.demoChatView, chatFormat.font());
 149
 150   _fontsChanged = false;
 151 }
 152
 153 void AppearanceSettingsPage::save() {
 154   QtUiSettings uiSettings;
 155
 156   if(ui.styleComboBox->currentIndex() < 1) {
 157     uiSettings.setValue("Style", QString(""));
 158   } else {
 159     uiSettings.setValue("Style", ui.styleComboBox->currentText());
 160   }
 161
 162   if(ui.languageComboBox->currentIndex() == 0) {
 163     uiSettings.remove("Locale"); // force the default (QLocale::system())
 164   } else {
 165     uiSettings.setValue("Locale", selectedLocale());
 166   }
 167
 168   ChatViewSettings chatViewSettings;
 169   chatViewSettings.enableWebPreview(ui.showWebPreview->isChecked());
 170
 171   BufferSettings bufferSettings;
 172   bufferSettings.enableUserStateIcons(ui.showUserStateIcons->isChecked());
 173
 174   // Fonts
 175   QtUiStyleSettings fontSettings("Fonts");
 176   if(ui.demoInputLine->font() != QApplication::font())
 177     fontSettings.setValue("InputLine", ui.demoInputLine->font());
 178   else
 179     fontSettings.setValue("InputLine", "");
 180
 181   if(ui.demoBufferView->font() != QApplication::font())
 182     fontSettings.setValue("BufferView", ui.demoBufferView->font());
 183   else
 184     fontSettings.setValue("BufferView", "");
 185
 186   QTextCharFormat chatFormat = QtUi::style()->format(UiStyle::None);
 187   chatFormat.setFont(ui.demoChatView->font());
 188   QtUi::style()->setFormat(UiStyle::None, chatFormat, Settings::Custom);
 189
 190   _fontsChanged = false;
 191
 192   load();
 193   setChangedState(false);
 194 }
 195
 196 QLocale AppearanceSettingsPage::selectedLocale() const {
 197   QLocale locale;
 198   int index = ui.languageComboBox->currentIndex();
 199   if(index == 0)
 200     locale = QLocale::system();
 201   else if(index == 1)
 202     locale = QLocale::c();
 203   else if(index > 1)
 204     locale = _locales[index - 2];
 205
 206   return locale;
 207 }
 208
 209 void AppearanceSettingsPage::setFont(QLabel *label, const QFont &font_) {
 210   QFont font = font_;
 211   if(font.family().isEmpty())
 212     font = QApplication::font();
 213   label->setFont(font);
 214   label->setText(QString("%1 %2").arg(font.family()).arg(font.pointSize()));
 215   widgetHasChanged();
 216 }
 217
 218 void AppearanceSettingsPage::chooseFont(QWidget *widget) {
 219   QLabel *label = qobject_cast<QLabel *>(widget);
 220   Q_ASSERT(label);
 221   bool ok;
 222   QFont font = QFontDialog::getFont(&ok, label->font());
 223   if(ok) {
 224     _fontsChanged = true;
 225     setFont(label, font);
 226   }
 227 }
 228
 229 void AppearanceSettingsPage::widgetHasChanged() {
 230   setChangedState(testHasChanged());
 231 }
 232
 233 bool AppearanceSettingsPage::testHasChanged() {
 234   if(_fontsChanged) return true; // comparisons are nasty for now
 235
 236   if(ui.styleComboBox->currentIndex() != ui.styleComboBox->property("storedValue").toInt()) return true;
 237
 238   if(selectedLocale() != QLocale()) return true; // QLocale() returns the default locale (manipulated via loadTranslation())
 239
 240   if(SettingsPage::hasChanged(ui.showWebPreview)) return true;
 241   if(SettingsPage::hasChanged(ui.showUserStateIcons)) return true;
 242
 243   return false;
 244 }