fix(ui): implement and connect reloadTheme in leaf classes

This allows leaf classes to update independently when the GUI has changed themes, without
their parent having to call updateTheme() manually.

Fix #5924
Fix #5592

CMakeLists.txt

@@ -482,6 +482,9 @@ set(${PROJECT_NAME}_SOURCES
   src/widget/translator.h
   src/widget/widget.cpp
   src/widget/widget.h
+  src/widget/widgetstyle.h
+  src/widget/framestyle.h
+  src/widget/dialogstyle.h
 )
 
 if (${CMAKE_SYSTEM_NAME} MATCHES "Windows")

src/chatlog/chatlog.cpp

@@ -22,6 +22,7 @@
 #include "chatlinecontentproxy.h"
 #include "chatmessage.h"
 #include "content/filetransferwidget.h"
+#include "src/widget/gui.h"
 #include "src/widget/translator.h"
 #include "src/widget/style.h"
 
@@ -121,6 +122,9 @@ ChatLog::ChatLog(QWidget* parent)
         copySelectedText(true);
     });
 
+    connect(&GUI::getInstance(), &GUI::themeReload, this, &ChatLog::reloadTheme);
+
+    reloadTheme();
     retranslateUi();
     Translator::registerHandler(std::bind(&ChatLog::retranslateUi, this), this);
 }
@@ -718,6 +722,7 @@ void ChatLog::fontChanged(const QFont& font)
 
 void ChatLog::reloadTheme()
 {
+    setStyleSheet(Style::getStylesheet("chatArea/chatArea.css"));
     setBackgroundBrush(QBrush(Style::getColor(Style::GroundBase), Qt::SolidPattern));
     selectionRectColor = Style::getColor(Style::SelectText);
     selGraphItem->setBrush(QBrush(selectionRectColor));

src/chatlog/chatlog.h

@@ -56,7 +56,6 @@ public:
     void scrollToLine(ChatLine::Ptr line);
     void selectAll();
     void fontChanged(const QFont& font);
-    void reloadTheme();
     void removeFirsts(const int num);
     void removeLasts(const int num);
     void setScroll(const bool scroll);
@@ -83,6 +82,7 @@ signals:
 
 public slots:
     void forceRelayout();
+    void reloadTheme();
 
 private slots:
     void onSelectionTimerTimeout();

src/chatlog/content/filetransferwidget.cpp

@@ -48,7 +48,7 @@
 // downloaded to.
 
 FileTransferWidget::FileTransferWidget(QWidget* parent, CoreFile& _coreFile, ToxFile file)
-    : QWidget(parent)
+    : WidgetStyle(parent)
     , coreFile{_coreFile}
     , ui(new Ui::FileTransferWidget)
     , fileInfo(file)
@@ -227,6 +227,11 @@ void FileTransferWidget::paintEvent(QPaintEvent*)
     }
 }
 
+void FileTransferWidget::reloadTheme()
+{
+    updateBackgroundColor(lastStatus);
+}
+
 QString FileTransferWidget::getHumanReadableSize(qint64 size)
 {
     static const char* suffix[] = {"B", "KiB", "MiB", "GiB", "TiB"};
@@ -245,23 +250,7 @@ void FileTransferWidget::updateWidgetColor(ToxFile const& file)
         return;
     }
 
-    switch (file.status) {
+    updateBackgroundColor(file.status);
-    case ToxFile::INITIALIZING:
-    case ToxFile::PAUSED:
-    case ToxFile::TRANSMITTING:
-        setBackgroundColor(Style::getColor(Style::TransferMiddle), false);
-        break;
-    case ToxFile::BROKEN:
-    case ToxFile::CANCELED:
-        setBackgroundColor(Style::getColor(Style::TransferBad), true);
-        break;
-    case ToxFile::FINISHED:
-        setBackgroundColor(Style::getColor(Style::TransferGood), true);
-        break;
-    default:
-        qCritical() << "Invalid file status";
-        assert(false);
-    }
 }
 
 void FileTransferWidget::updateWidgetText(ToxFile const& file)
@@ -623,3 +612,24 @@ void FileTransferWidget::updateWidget(ToxFile const& file)
         update();
     }
 }
+
+void FileTransferWidget::updateBackgroundColor(const ToxFile::FileStatus status)
+{
+    switch (status) {
+    case ToxFile::INITIALIZING:
+    case ToxFile::PAUSED:
+    case ToxFile::TRANSMITTING:
+        setBackgroundColor(Style::getColor(Style::TransferMiddle), false);
+        break;
+    case ToxFile::BROKEN:
+    case ToxFile::CANCELED:
+        setBackgroundColor(Style::getColor(Style::TransferBad), true);
+        break;
+    case ToxFile::FINISHED:
+        setBackgroundColor(Style::getColor(Style::TransferGood), true);
+        break;
+    default:
+        qCritical() << "Invalid file status";
+        assert(false);
+    }
+}

src/chatlog/content/filetransferwidget.h

@@ -20,11 +20,11 @@
 #pragma once
 
 #include <QTime>
-#include <QWidget>
 
 #include "src/chatlog/chatlinecontent.h"
 #include "src/chatlog/toxfileprogress.h"
 #include "src/core/toxfile.h"
+#include "src/widget/widgetstyle.h"
 
 class CoreFile;
 
@@ -35,7 +35,7 @@ class FileTransferWidget;
 class QVariantAnimation;
 class QPushButton;
 
-class FileTransferWidget : public QWidget
+class FileTransferWidget : public WidgetStyle
 {
     Q_OBJECT
 
@@ -64,6 +64,9 @@ protected:
 
     void paintEvent(QPaintEvent*) final;
 
+public slots:
+    void reloadTheme() override;
+
 private slots:
     void onLeftButtonClicked();
     void onRightButtonClicked();
@@ -76,6 +79,7 @@ private:
     static bool tryRemoveFile(const QString &filepath);
 
     void updateWidget(ToxFile const& file);
+    void updateBackgroundColor(const ToxFile::FileStatus status);
 
 private:
     CoreFile& coreFile;

src/widget/about/aboutfriendform.cpp

@@ -27,7 +27,7 @@
 #include <QMessageBox>
 
 AboutFriendForm::AboutFriendForm(std::unique_ptr<IAboutFriend> _about, QWidget* parent)
-    : QDialog(parent)
+    : DialogStyle(parent)
     , ui(new Ui::AboutFriendForm)
     , about{std::move(_about)}
 {
@@ -67,7 +67,7 @@ AboutFriendForm::AboutFriendForm(std::unique_ptr<IAboutFriend> _about, QWidget*
     ui->statusMessage->setText(about->getStatusMessage());
     ui->avatar->setPixmap(about->getAvatar());
 
-    setStyleSheet(Style::getStylesheet("window/general.css"));
+    reloadTheme();
 }
 
 static QString getAutoAcceptDir(const QString& dir)
@@ -90,6 +90,11 @@ void AboutFriendForm::onAutoAcceptDirClicked()
     about->setAutoAcceptDir(dir);
 }
 
+void AboutFriendForm::reloadTheme()
+{
+    setStyleSheet(Style::getStylesheet("window/general.css"));
+}
+
 void AboutFriendForm::onAutoAcceptDirChanged(const QString& path)
 {
     const bool enabled = !path.isNull();

src/widget/about/aboutfriendform.h

@@ -20,8 +20,8 @@
 #pragma once
 
 #include "src/model/about/iaboutfriend.h"
+#include "src/widget/dialogstyle.h"
 
-#include <QDialog>
 #include <QPointer>
 
 #include <memory>
@@ -30,7 +30,7 @@ namespace Ui {
 class AboutFriendForm;
 }
 
-class AboutFriendForm : public QDialog
+class AboutFriendForm : public DialogStyle
 {
     Q_OBJECT
 
@@ -45,6 +45,9 @@ private:
 signals:
     void histroyRemoved();
 
+public slots:
+    void reloadTheme() override;
+
 private slots:
     void onAutoAcceptDirChanged(const QString& path);
     void onAcceptedClicked();

src/widget/chatformheader.cpp

@@ -105,7 +105,7 @@ void setStateName(QAbstractButton* btn, State state)
 }
 
 ChatFormHeader::ChatFormHeader(QWidget* parent)
-    : QWidget(parent)
+    : WidgetStyle(parent)
     , mode{Mode::AV}
     , callState{CallButtonState::Disabled}
     , videoState{CallButtonState::Disabled}
@@ -283,6 +283,7 @@ QSize ChatFormHeader::getAvatarSize() const
 
 void ChatFormHeader::reloadTheme()
 {
+    setStyleSheet(Style::getStylesheet("chatArea/chatHead.css"));
     callButton->setStyleSheet(Style::getStylesheet(STYLE_PATH));
     videoButton->setStyleSheet(Style::getStylesheet(STYLE_PATH));
     volButton->setStyleSheet(Style::getStylesheet(STYLE_PATH));

src/widget/chatformheader.h

@@ -19,9 +19,8 @@
 
 #pragma once
 
-#include <QWidget>
-
 #include <memory>
+#include "src/widget/widgetstyle.h"
 
 class MaskablePixmapWidget;
 class QVBoxLayout;
@@ -30,7 +29,7 @@ class QPushButton;
 class QToolButton;
 class CallConfirmWidget;
 
-class ChatFormHeader : public QWidget
+class ChatFormHeader : public WidgetStyle
 {
     Q_OBJECT
 public:
@@ -71,13 +70,14 @@ public:
     void setAvatar(const QPixmap& img);
     QSize getAvatarSize() const;
 
-    void reloadTheme();
-
     // TODO: Remove
     void addWidget(QWidget* widget, int stretch = 0, Qt::Alignment alignment = Qt::Alignment());
     void addLayout(QLayout* layout);
     void addStretch();
 
+public slots:
+    void reloadTheme() override;
+
 signals:
     void callTriggered();
     void videoCallTriggered();

src/widget/contentdialog.cpp

@@ -60,7 +60,6 @@ ContentDialog::ContentDialog(const Core &core, QWidget* parent)
     , videoCount(0)
 {
     const Settings& s = Settings::getInstance();    
-    setStyleSheet(Style::getStylesheet("contentDialog/contentDialog.css"));
 
     friendLayout->setMargin(0);
     friendLayout->setSpacing(0);
@@ -88,7 +87,6 @@ ContentDialog::ContentDialog(const Core &core, QWidget* parent)
     friendScroll->setFrameStyle(QFrame::NoFrame);
     friendScroll->setLayoutDirection(Qt::RightToLeft);
     friendScroll->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-    friendScroll->setStyleSheet(Style::getStylesheet("friendList/friendList.css"));
     friendScroll->setWidgetResizable(true);
     friendScroll->setWidget(friendWidget);
 
@@ -128,6 +126,8 @@ ContentDialog::ContentDialog(const Core &core, QWidget* parent)
 
     setAcceptDrops(true);
 
+    reloadTheme();
+
     new QShortcut(Qt::CTRL + Qt::Key_Q, this, SLOT(close()));
     new QShortcut(Qt::CTRL + Qt::SHIFT + Qt::Key_Tab, this, SLOT(previousContact()));
     new QShortcut(Qt::CTRL + Qt::Key_Tab, this, SLOT(nextContact()));
@@ -435,6 +435,12 @@ void ContentDialog::setUsername(const QString& newName)
     updateTitleAndStatusIcon();
 }
 
+void ContentDialog::reloadTheme()
+{
+    setStyleSheet(Style::getStylesheet("contentDialog/contentDialog.css"));
+    splitter->widget(0)->setStyleSheet(Style::getStylesheet("friendList/friendList.css"));
+}
+
 bool ContentDialog::event(QEvent* event)
 {
     switch (event->type()) {

src/widget/contentdialog.h

@@ -90,6 +90,7 @@ public slots:
     void previousContact();
     void nextContact();
     void setUsername(const QString& newName);
+    void reloadTheme() override;
 
 protected:
     bool event(QEvent* event) final;

src/widget/contentlayout.cpp

@@ -20,6 +20,7 @@
 #include "contentlayout.h"
 #include "style.h"
 #include "src/persistence/settings.h"
+#include "src/widget/gui.h"
 #include <QFrame>
 #include <QStyleFactory>
 
@@ -118,6 +119,8 @@ void ContentLayout::init()
         mainContent->setStyle(QStyleFactory::create(Settings::getInstance().getStyle()));
     }
 
+    connect(&GUI::getInstance(), &GUI::themeReload, this, &ContentLayout::reloadTheme);
+
     reloadTheme();
 
     mainHLineLayout.addSpacing(4);

src/widget/contentlayout.h

@@ -29,7 +29,6 @@ public:
     explicit ContentLayout(QWidget* parent);
     ~ContentLayout();
 
-    void reloadTheme();
     void clear();
 
     QFrame mainHLine;
@@ -37,6 +36,9 @@ public:
     QWidget* mainContent;
     QWidget* mainHead;
 
+public slots:
+    void reloadTheme();
+
 private:
     void init();
 };

src/widget/dialogstyle.h

@@ -0,0 +1,21 @@
+#ifndef DIALOGSTYLE_H
+#define DIALOGSTYLE_H
+
+#include <QDialog>
+#include "src/widget/gui.h"
+
+class DialogStyle : public QDialog {
+    Q_OBJECT
+
+public:
+    DialogStyle(QWidget* parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags()) : QDialog(parent, f)
+    {
+        connect(&GUI::getInstance(), &GUI::themeReload, this, &DialogStyle::reloadTheme);
+    }
+    virtual ~DialogStyle() {}
+
+public slots:
+    virtual void reloadTheme() {}
+};
+
+#endif //DIALOGSTYLE_H

src/widget/form/chatform.h

@@ -53,7 +53,6 @@ public:
     void setFriendTyping(bool isTyping);
 
     void show(ContentLayout* contentLayout) final;
-    void reloadTheme() final;
 
     static const QString ACTION_PREFIX;
 
@@ -76,6 +75,7 @@ public slots:
     void clearChatArea();
     void onShowMessagesClicked();
     void onSplitterMoved(int pos, int index);
+    void reloadTheme() final;
 
 private slots:
     void updateFriendActivityForFile(const ToxFile& file);

src/widget/form/genericchatform.cpp

@@ -210,7 +210,7 @@ ChatLogIdx firstItemAfterDate(QDate date, const IChatLog& chatLog)
 
 GenericChatForm::GenericChatForm(const Core& _core, const Contact* contact, IChatLog& chatLog,
                                  IMessageDispatcher& messageDispatcher, QWidget* parent)
-    : QWidget(parent, Qt::Window)
+    : WidgetStyle(parent, Qt::Window)
     , core{_core}
     , audioInputFlag(false)
     , audioOutputFlag(false)
@@ -414,12 +414,6 @@ void GenericChatForm::reloadTheme()
     msgEdit->setStyleSheet(Style::getStylesheet("msgEdit/msgEdit.css")
                            + fontToCss(s.getChatMessageFont(), "QTextEdit"));
 
-    chatWidget->setStyleSheet(Style::getStylesheet("chatArea/chatArea.css"));
-    headWidget->setStyleSheet(Style::getStylesheet("chatArea/chatHead.css"));
-    chatWidget->reloadTheme();
-    headWidget->reloadTheme();
-    searchForm->reloadTheme();
-
     emoteButton->setStyleSheet(Style::getStylesheet(STYLE_PATH));
     fileButton->setStyleSheet(Style::getStylesheet(STYLE_PATH));
     screenshotButton->setStyleSheet(Style::getStylesheet(STYLE_PATH));

src/widget/form/genericchatform.h

@@ -24,9 +24,9 @@
 #include "src/model/ichatlog.h"
 #include "src/widget/form/loadhistorydialog.h"
 #include "src/widget/searchtypes.h"
+#include "src/widget/widgetstyle.h"
 
 #include <QMenu>
-#include <QWidget>
 
 /**
  * Spacing in px inserted when the author of the last message changes
@@ -65,7 +65,7 @@ class SpellCheckDecorator;
 }
 #endif
 
-class GenericChatForm : public QWidget
+class GenericChatForm : public WidgetStyle
 {
     Q_OBJECT
 public:
@@ -75,7 +75,6 @@ public:
 
     void setName(const QString& newName);
     virtual void show(ContentLayout* contentLayout);
-    virtual void reloadTheme();
 
     void addSystemInfoMessage(const QString& message, ChatMessage::SystemMessageType type,
                               const QDateTime& datetime);
@@ -91,6 +90,7 @@ public slots:
     void focusInput();
     void onChatMessageFontChanged(const QFont& font);
     void setColorizedNames(bool enable);
+    void reloadTheme() override;
 
 protected slots:
     void onChatContextMenuRequested(QPoint pos);

src/widget/form/settings/aboutform.cpp

@@ -182,6 +182,11 @@ void AboutForm::onUpdateCheckFailed()
     bodyUI->updateStack->setCurrentIndex(static_cast<int>(updateIndex::failed));
 }
 
+void AboutForm::reloadTheme()
+{
+    replaceVersions();
+}
+
 /**
  * @brief Creates hyperlink with specific style.
  * @param path The URL of the page the link goes to.

src/widget/form/settings/aboutform.h

@@ -47,6 +47,7 @@ public slots:
     void onUpdateAvailable(QString latestVersion, QUrl link);
     void onUpToDate();
     void onUpdateCheckFailed();
+    void reloadTheme() override;
 
 private:
     void retranslateUi();

src/widget/form/settings/genericsettings.h

@@ -19,9 +19,9 @@
 
 #pragma once
 
-#include <QWidget>
+#include "src/widget/widgetstyle.h"
 
-class GenericForm : public QWidget
+class GenericForm : public WidgetStyle
 {
     Q_OBJECT
 public:

src/widget/framestyle.h

@@ -0,0 +1,21 @@
+#ifndef FRAMESTYLE_H
+#define FRAMESTYLE_H
+
+#include <QFrame>
+#include "src/widget/gui.h"
+
+class FrameStyle : public QFrame {
+    Q_OBJECT
+
+public:
+    FrameStyle(QWidget* parent = nullptr) : QFrame(parent)
+    {
+        connect(&GUI::getInstance(), &GUI::themeReload, this, &FrameStyle::reloadTheme);
+    }
+    virtual ~FrameStyle() {}
+
+public slots:
+    virtual void reloadTheme() {}
+};
+
+#endif //FRAMESTYLE_H

src/widget/genericchatitemwidget.cpp

@@ -19,12 +19,11 @@
 
 #include "genericchatitemwidget.h"
 #include "src/persistence/settings.h"
-#include "src/widget/style.h"
 #include "src/widget/tool/croppinglabel.h"
 #include <QVariant>
 
 GenericChatItemWidget::GenericChatItemWidget(bool compact, QWidget* parent)
-    : QFrame(parent)
+    : FrameStyle(parent)
     , compact(false)
 {
     setProperty("compact", compact);

src/widget/genericchatitemwidget.h

@@ -19,12 +19,12 @@
 
 #pragma once
 
-#include <QFrame>
 #include <QLabel>
+#include "src/widget/framestyle.h"
 
 class CroppingLabel;
 
-class GenericChatItemWidget : public QFrame
+class GenericChatItemWidget : public FrameStyle
 {
     Q_OBJECT
 public:

src/widget/genericchatroomwidget.h

@@ -60,10 +60,9 @@ public slots:
     QString getStatusMsg() const;
     QString getTitle() const;
 
-    void reloadTheme();
-
     void activate();
     void compactChange(bool compact);
+    void reloadTheme() override;
 
 signals:
     void chatroomWidgetClicked(GenericChatroomWidget* widget);

src/widget/gui.cpp

@@ -98,9 +98,9 @@ void GUI::setWindowTitle(const QString& title)
 void GUI::reloadTheme()
 {
     if (QThread::currentThread() == qApp->thread()) {
-        getInstance()._reloadTheme();
+        getInstance().themeReload();
     } else {
-        QMetaObject::invokeMethod(&getInstance(), "_reloadTheme", Qt::BlockingQueuedConnection);
+        QMetaObject::invokeMethod(&getInstance(), "themeReload", Qt::BlockingQueuedConnection);
     }
 }
 
@@ -224,13 +224,6 @@ void GUI::_setWindowTitle(const QString& title)
         w->setWindowTitle("qTox - " + title);
 }
 
-void GUI::_reloadTheme()
-{
-    Widget* w = Nexus::getDesktopGUI();
-    if (w)
-        w->reloadTheme();
-}
-
 void GUI::_showInfo(const QString& title, const QString& msg)
 {
     QMessageBox messageBox(QMessageBox::Information, title, msg, QMessageBox::Ok, getMainWidget());

src/widget/gui.h

@@ -50,7 +50,6 @@ private slots:
     // Private implementation, those must be called from the GUI thread
     void _setEnabled(bool state);
     void _setWindowTitle(const QString& title);
-    void _reloadTheme();
     void _showInfo(const QString& title, const QString& msg);
     void _showWarning(const QString& title, const QString& msg);
     void _showError(const QString& title, const QString& msg);
@@ -58,4 +57,7 @@ private slots:
                       bool warning = true, bool yesno = true);
     bool _askQuestion(const QString& title, const QString& msg, const QString& button1,
                       const QString& button2, bool defaultAns = false, bool warning = true);
+
+signals:
+    void themeReload();
 };

src/widget/searchform.cpp

@@ -35,7 +35,7 @@ static std::array<QString, 3> STATE_NAME = {
     QStringLiteral("red"),
 };
 
-SearchForm::SearchForm(QWidget* parent) : QWidget(parent)
+SearchForm::SearchForm(QWidget* parent) : WidgetStyle(parent)
 {
     QVBoxLayout* layout = new QVBoxLayout();
     QHBoxLayout* layoutNavigation = new QHBoxLayout();

src/widget/searchform.h

@@ -19,8 +19,8 @@
 
 #pragma once
 
-#include <QWidget>
 #include <QLineEdit>
+#include "src/widget/widgetstyle.h"
 #include "searchtypes.h"
 
 class QPushButton;
@@ -28,7 +28,7 @@ class QLabel;
 class LineEdit;
 class SearchSettingsForm;
 
-class SearchForm final : public QWidget
+class SearchForm final : public WidgetStyle
 {
     Q_OBJECT
 public:
@@ -44,7 +44,6 @@ public:
     ParameterSearch getParameterSearch();
     void setFocusEditor();
     void insertEditor(const QString &text);
-    void reloadTheme();
 
 protected:
     void showEvent(QShowEvent* event) final;
@@ -84,6 +83,7 @@ private slots:
 
 public slots:
     void showMessageNotFound(SearchDirection direction);
+    void reloadTheme() override;
 
 signals:
     void searchInBegin(const QString& phrase, const ParameterSearch& parameter);

src/widget/tool/activatedialog.cpp

@@ -22,7 +22,7 @@
 #include <QEvent>
 
 ActivateDialog::ActivateDialog(QWidget* parent, Qt::WindowFlags f)
-    : QDialog(parent, f)
+    : DialogStyle(parent, f)
 {
 }
 

src/widget/tool/activatedialog.h

@@ -19,9 +19,9 @@
 
 #pragma once
 
-#include <QDialog>
+#include "src/widget/dialogstyle.h"
 
-class ActivateDialog : public QDialog
+class ActivateDialog : public DialogStyle
 {
     Q_OBJECT
 public:

src/widget/widget.cpp

@@ -463,6 +463,8 @@ void Widget::init()
     connect(&settings, &Settings::groupchatPositionChanged, contactListWidget,
             &FriendListWidget::onGroupchatPositionChanged);
 
+    connect(&GUI::getInstance(), &GUI::themeReload, this, &Widget::reloadTheme);
+
     reloadTheme();
     updateIcons();
     retranslateUi();
@@ -1825,7 +1827,7 @@ ContentLayout* Widget::createContentDialog(DialogType type) const
             Translator::registerHandler(std::bind(&Dialog::retranslateUi, this), this);
             retranslateUi();
             setWindowIcon(QIcon(":/img/icons/qtox.svg"));
-            setStyleSheet(Style::getStylesheet("window/general.css"));
+            reloadTheme();
 
             connect(core, &Core::usernameSet, this, &Dialog::retranslateUi);
         }
@@ -1842,6 +1844,11 @@ ContentLayout* Widget::createContentDialog(DialogType type) const
             setWindowTitle(core->getUsername() + QStringLiteral(" - ") + Widget::fromDialogType(type));
         }
 
+        void reloadTheme() final
+        {
+            setStyleSheet(Style::getStylesheet("window/general.css"));
+        }
+
     protected:
         void resizeEvent(QResizeEvent* event) override
         {
@@ -2404,27 +2411,6 @@ void Widget::reloadTheme()
     contactListWidget->reDraw();
 
     profilePicture->setStyleSheet(Style::getStylesheet("window/profile.css"));
-
-    if (contentLayout != nullptr) {
-        contentLayout->reloadTheme();
-    }
-
-    for (Friend* f : FriendList::getAllFriends()) {
-        friendWidgets[f->getPublicKey()]->reloadTheme();
-    }
-
-    for (Group* g : GroupList::getAllGroups()) {
-        groupWidgets[g->getPersistentId()]->reloadTheme();
-    }
-
-
-    for (auto f : FriendList::getAllFriends()) {
-        chatForms[f->getPublicKey()]->reloadTheme();
-    }
-
-    for (auto g : GroupList::getAllGroups()) {
-        groupChatForms[g->getPersistentId()]->reloadTheme();
-    }
 }
 
 void Widget::nextContact()

src/widget/widget.h

@@ -142,7 +142,6 @@ public:
 
     void clearAllReceipts();
 
-    void reloadTheme();
     static inline QIcon prepareIcon(QString path, int w = 0, int h = 0);
 
     bool groupsVisible() const;
@@ -150,6 +149,7 @@ public:
     void resetIcon();
 
 public slots:
+    void reloadTheme();
     void onShowSettings();
     void onSeparateWindowClicked(bool separate);
     void onSeparateWindowChanged(bool separate, bool clicked);

src/widget/widgetstyle.h

@@ -0,0 +1,21 @@
+#ifndef WIDGETSTYLE_H
+#define WIDGETSTYLE_H
+
+#include <QWidget>
+#include "src/widget/gui.h"
+
+class WidgetStyle : public QWidget {
+    Q_OBJECT
+
+public:
+    WidgetStyle(QWidget* parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags()) : QWidget(parent, f)
+    {
+        connect(&GUI::getInstance(), &GUI::themeReload, this, &WidgetStyle::reloadTheme);
+    }
+    virtual ~WidgetStyle() {}
+
+public slots:
+    virtual void reloadTheme() {}
+};
+
+#endif //WIDGETSTYLE_H