added functionality of 'boldness-slider' #647 (#650)

src/singletons/Fonts.cpp

@@ -56,6 +56,19 @@ void Fonts::initialize(Application &app)
         }
         this->fontChanged.invoke();
     });
+
+    getSettings()->boldScale.connect([this, &app](const int &, auto) {
+        assertInGuiThread();
+
+        if (app.windows) {
+            app.windows->incGeneration();
+        }
+
+        for (auto &map : this->fontsByType_) {
+            map.clear();
+        }
+        this->fontChanged.invoke();
+    });
 }
 
 QFont Fonts::getFont(Fonts::Type type, float scale)
@@ -99,12 +112,13 @@ Fonts::FontData Fonts::createFontData(Type type, float scale)
             {ChatSmall, {0.6f, false, QFont::Normal}},
             {ChatMediumSmall, {0.8f, false, QFont::Normal}},
             {ChatMedium, {1, false, QFont::Normal}},
-            {ChatMediumBold, {1, false, QFont::Medium}},
+            {ChatMediumBold, {1, false, QFont::Weight(getApp()->settings->boldScale.getValue())}},
             {ChatMediumItalic, {1, true, QFont::Normal}},
             {ChatLarge, {1.2f, false, QFont::Normal}},
             {ChatVeryLarge, {1.4f, false, QFont::Normal}},
         };
-
+        sizeScale[ChatMediumBold] = {1, false,
+                                     QFont::Weight(getApp()->settings->boldScale.getValue())};
         auto data = sizeScale[type];
         return FontData(QFont(QString::fromStdString(this->chatFontFamily.getValue()),
                               int(this->chatFontSize.getValue() * data.scale * scale), data.weight,

src/singletons/Settings.hpp

@@ -36,6 +36,7 @@ public:
     BoolSetting alternateMessageBackground = {"/appearance/messages/alternateMessageBackground",
                                               false};
     IntSetting uiScale = {"/appearance/uiScale", 0};
+    IntSetting boldScale = {"/appearance/boldScale", 57};
     BoolSetting windowTopMost = {"/appearance/windowAlwaysOnTop", false};
     BoolSetting showTabCloseButton = {"/appearance/showTabCloseButton", true};
     BoolSetting hidePreferencesButton = {"/appearance/hidePreferencesButton", false};

src/widgets/settingspages/LookPage.cpp

@@ -113,6 +113,12 @@ void LookPage::addMessageTab(LayoutCreator<QVBoxLayout> layout)
     // font
     layout.append(this->createFontChanger());
 
+    // bold-slider
+    {
+        auto box = layout.emplace<QHBoxLayout>().withoutMargin();
+        box.emplace<QLabel>("Boldness: ");
+        box.append(this->createBoldScaleSlider());
+    }
     // --
     layout.emplace<Line>(false);
 
@@ -419,4 +425,40 @@ QLayout *LookPage::createUiScaleSlider()
     return layout;
 }
 
+QLayout *LookPage::createBoldScaleSlider()
+{
+    auto layout = new QHBoxLayout();
+    auto slider = new QSlider(Qt::Horizontal);
+    auto label = new QLabel();
+
+    layout->addWidget(slider);
+    layout->addWidget(label);
+
+    slider->setMinimum(50);
+    slider->setMaximum(100);
+    slider->setValue(getSettings()->boldScale.getValue());
+
+    label->setMinimumWidth(100);
+
+    QObject::connect(slider, &QSlider::valueChanged,
+                     [](auto value) { getSettings()->boldScale.setValue(value); });
+    // show value
+    // getSettings()->boldScale.connect(
+    //    [label](auto, auto) {
+    //        label->setText(QString::number(getSettings()->boldScale.getValue()));
+    //    },
+    //    this->connections_);
+
+    QPushButton *button = new QPushButton("Reset");
+    layout->addWidget(button);
+    button->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Policy::Fixed);
+
+    QObject::connect(button, &QPushButton::clicked, [=]() {
+        getSettings()->boldScale.setValue(57);
+        slider->setValue(57);
+    });
+
+    return layout;
+}
+
 }  // namespace chatterino

src/widgets/settingspages/LookPage.hpp

@@ -28,6 +28,7 @@ private:
     QLayout *createThemeColorChanger();
     QLayout *createFontChanger();
     QLayout *createUiScaleSlider();
+    QLayout *createBoldScaleSlider();
 
     ChannelPtr createPreviewChannel();