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  *                                                                         *
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  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("Interface"), QString(), parent),
  39   _fontsChanged(false)
  40 {
  41   ui.setupUi(this);
  42   initAutoWidgets();
  43   initStyleComboBox();
  44   initLanguageComboBox();
  45
  46   foreach(QComboBox *comboBox, findChildren<QComboBox *>()) {
  47     connect(comboBox, SIGNAL(currentIndexChanged(QString)), this, SLOT(widgetHasChanged()));
  48   }
  49   foreach(QCheckBox *checkBox, findChildren<QCheckBox *>()) {
  50     connect(checkBox, SIGNAL(clicked()), this, SLOT(widgetHasChanged()));
  51   }
  52
  53   mapper = new QSignalMapper(this);
  54   connect(mapper, SIGNAL(mapped(QWidget *)), this, SLOT(chooseFont(QWidget *)));
  55
  56   connect(ui.chooseInputLine, SIGNAL(clicked()), mapper, SLOT(map()));
  57
  58   mapper->setMapping(ui.chooseInputLine, ui.demoInputLine);
  59
  60   connect(ui.chooseStyleSheet, SIGNAL(clicked()), SLOT(chooseStyleSheet()));
  61 }
  62
  63 void AppearanceSettingsPage::initStyleComboBox() {
  64   QStringList styleList = QStyleFactory::keys();
  65   ui.styleComboBox->addItem(tr("<System Default>"));
  66   foreach(QString style, styleList) {
  67     ui.styleComboBox->addItem(style);
  68   }
  69 }
  70
  71 void AppearanceSettingsPage::initLanguageComboBox() {
  72   QDir i18nDir(Quassel::translationDirPath(), "quassel_*.qm");
  73
  74   foreach(QString translationFile, i18nDir.entryList()) {
  75     QString localeName(translationFile.mid(8));
  76     localeName.chop(3);
  77     QLocale locale(localeName);
  78     _locales << locale;
  79     ui.languageComboBox->addItem(QLocale::languageToString(locale.language()));
  80   }
  81 }
  82
  83 void AppearanceSettingsPage::defaults() {
  84   ui.styleComboBox->setCurrentIndex(0);
  85
  86   loadFonts(Settings::Default);
  87   _fontsChanged = true;
  88
  89   SettingsPage::defaults();
  90   widgetHasChanged();
  91 }
  92
  93 void AppearanceSettingsPage::load() {
  94   QtUiSettings uiSettings;
  95
  96   // Gui Style
  97   QString style = uiSettings.value("Style", QString("")).toString();
  98   if(style.isEmpty()) {
  99     ui.styleComboBox->setCurrentIndex(0);
 100   } else {
 101     ui.styleComboBox->setCurrentIndex(ui.styleComboBox->findText(style, Qt::MatchExactly));
 102     QApplication::setStyle(style);
 103   }
 104   ui.styleComboBox->setProperty("storedValue", ui.styleComboBox->currentIndex());
 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   ui.languageComboBox->setProperty("storedValue", ui.languageComboBox->currentIndex());
 115   Quassel::loadTranslation(selectedLocale());
 116
 117   loadFonts(Settings::Custom);
 118
 119   SettingsPage::load();
 120   setChangedState(false);
 121 }
 122
 123 void AppearanceSettingsPage::loadFonts(Settings::Mode mode) {
 124   QtUiStyleSettings s("Fonts");
 125
 126   QFont inputLineFont;
 127   if(mode == Settings::Custom)
 128     inputLineFont = s.value("InputLine", QFont()).value<QFont>();
 129   setFont(ui.demoInputLine, inputLineFont);
 130
 131   _fontsChanged = false;
 132 }
 133
 134 void AppearanceSettingsPage::save() {
 135   QtUiSettings uiSettings;
 136
 137   if(ui.styleComboBox->currentIndex() < 1) {
 138     uiSettings.setValue("Style", QString(""));
 139   } else {
 140     uiSettings.setValue("Style", ui.styleComboBox->currentText());
 141   }
 142
 143   if(ui.languageComboBox->currentIndex() == 0) {
 144     uiSettings.remove("Locale"); // force the default (QLocale::system())
 145   } else {
 146     uiSettings.setValue("Locale", selectedLocale());
 147   }
 148
 149   // Fonts
 150   QtUiStyleSettings fontSettings("Fonts");
 151   if(ui.demoInputLine->font() != QApplication::font())
 152     fontSettings.setValue("InputLine", ui.demoInputLine->font());
 153   else
 154     fontSettings.setValue("InputLine", "");
 155
 156   _fontsChanged = false;
 157
 158   bool needsStyleReload =
 159         ui.useCustomStyleSheet->isChecked() != ui.useCustomStyleSheet->property("storedValue").toBool()
 160     || (ui.useCustomStyleSheet->isChecked() && ui.customStyleSheetPath->text() != ui.customStyleSheetPath->property("storedValue").toString());
 161
 162   SettingsPage::save();
 163   setChangedState(false);
 164   if(needsStyleReload)
 165     QtUi::style()->reload();
 166 }
 167
 168 QLocale AppearanceSettingsPage::selectedLocale() const {
 169   QLocale locale;
 170   int index = ui.languageComboBox->currentIndex();
 171   if(index == 0)
 172     locale = QLocale::system();
 173   else if(index == 1)
 174     locale = QLocale::c();
 175   else if(index > 1)
 176     locale = _locales[index - 2];
 177
 178   return locale;
 179 }
 180
 181 void AppearanceSettingsPage::setFont(QLabel *label, const QFont &font_) {
 182   QFont font = font_;
 183   if(font.family().isEmpty())
 184     font = QApplication::font();
 185   label->setFont(font);
 186   label->setText(QString("%1 %2").arg(font.family()).arg(font.pointSize()));
 187   widgetHasChanged();
 188 }
 189
 190 void AppearanceSettingsPage::chooseFont(QWidget *widget) {
 191   QLabel *label = qobject_cast<QLabel *>(widget);
 192   Q_ASSERT(label);
 193   bool ok;
 194   QFont font = QFontDialog::getFont(&ok, label->font());
 195   if(ok) {
 196     _fontsChanged = true;
 197     setFont(label, font);
 198   }
 199 }
 200
 201 void AppearanceSettingsPage::chooseStyleSheet() {
 202   QString name = QFileDialog::getOpenFileName(this, tr("Please choose a stylesheet file"), QString(), "*.qss");
 203   if(!name.isEmpty())
 204     ui.customStyleSheetPath->setText(name);
 205 }
 206
 207 void AppearanceSettingsPage::widgetHasChanged() {
 208   setChangedState(testHasChanged());
 209 }
 210
 211 bool AppearanceSettingsPage::testHasChanged() {
 212   if(_fontsChanged) return true; // comparisons are nasty for now
 213
 214   if(ui.styleComboBox->currentIndex() != ui.styleComboBox->property("storedValue").toInt()) return true;
 215
 216   if(selectedLocale() != QLocale()) return true; // QLocale() returns the default locale (manipulated via loadTranslation())
 217
 218   return false;
 219 }