move around files

src/colorscheme.cpp

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+#define LOOKUP_COLOR_COUNT 360
+
+#include "colorscheme.h"
+#include "settingsmanager.h"
+#include "windowmanager.h"
+
+#include <QColor>
+
+namespace chatterino {
+
+void ColorScheme::init()
+{
+    static bool initiated = false;
+
+    if (!initiated) {
+        initiated = true;
+        ColorScheme::getInstance().update();
+        SettingsManager::getInstance().theme.valueChanged.connect(
+            [](const QString &) { ColorScheme::getInstance().update(); });
+        SettingsManager::getInstance().themeHue.valueChanged.connect(
+            [](const float &) { ColorScheme::getInstance().update(); });
+
+        ColorScheme::getInstance().updated.connect(
+            [] { WindowManager::getInstance().repaintVisibleChatWidgets(); });
+    }
+}
+
+void ColorScheme::update()
+{
+    QString theme = SettingsManager::getInstance().theme.get();
+    theme = theme.toLower();
+
+    qreal hue = SettingsManager::getInstance().themeHue.get();
+
+    if (theme == "light") {
+        setColors(hue, 0.8);
+    } else if (theme == "white") {
+        setColors(hue, 1);
+    } else if (theme == "black") {
+        setColors(hue, -1);
+    } else {
+        setColors(hue, -0.8);
+    }
+}
+
+// hue: theme color (0 - 1)
+// multiplyer: 1 = white, 0.8 = light, -0.8 dark, -1 black
+void ColorScheme::setColors(float hue, float multiplyer)
+{
+    IsLightTheme = multiplyer > 0;
+    bool hasDarkBorder = false;
+
+    SystemMessageColor = QColor(140, 127, 127);
+
+    auto getColor = [multiplyer](qreal h, qreal s, qreal l, qreal a = 1.0) {
+        return QColor::fromHslF(h, s, (((l - 0.5) * multiplyer) + 0.5), a);
+    };
+
+    DropPreviewBackground = getColor(hue, 0.5, 0.5, 0.6);
+
+    Text = TextCaret = IsLightTheme ? QColor(0, 0, 0) : QColor(255, 255, 255);
+
+    // tab
+    if (hasDarkBorder) {
+        //    TabPanelBackground = getColor(hue, 0, 0.8);
+        //    TabBackground = getColor(hue, 0, 0.8);
+        //    TabHoverBackground = getColor(hue, 0, 0.8);
+    } else {
+        TabPanelBackground = QColor(255, 255, 255);
+        TabBackground = QColor(255, 255, 255);
+        TabHoverBackground = getColor(hue, 0, 0.05);
+    }
+    TabSelectedBackground = getColor(hue, 0.5, 0.5);
+    TabHighlightedBackground = getColor(hue, 0.5, 0.2);
+    TabNewMessageBackground = QBrush(getColor(hue, 0.5, 0.2), Qt::DiagCrossPattern);
+    if (hasDarkBorder) {
+        //    TabText = QColor(210, 210, 210);
+        //    TabHoverText = QColor(210, 210, 210);
+        TabText = QColor(0, 0, 0);
+    }
+    TabHoverText = QColor(0, 0, 0);
+    TabSelectedText = QColor(255, 255, 255);
+    TabHighlightedText = QColor(0, 0, 0);
+
+    // Chat
+    ChatBackground = getColor(0, 0.1, 1);
+    ChatHeaderBackground = getColor(0, 0.1, 0.9);
+    ChatHeaderBorder = getColor(0, 0.1, 0.85);
+    ChatInputBackground = getColor(0, 0.1, 0.95);
+    ChatInputBorder = getColor(0, 0.1, 0.9);
+
+    ScrollbarBG = ChatBackground;
+
+    // generate color lookuptable
+    fillLookupTableValues(this->middleLookupTable, 0.000, 0.166, 0.66, 0.5);
+    fillLookupTableValues(this->middleLookupTable, 0.166, 0.333, 0.5, 0.55);
+    fillLookupTableValues(this->middleLookupTable, 0.333, 0.500, 0.55, 0.45);
+    fillLookupTableValues(this->middleLookupTable, 0.500, 0.666, 0.45, 0.80);
+    fillLookupTableValues(this->middleLookupTable, 0.666, 0.833, 0.80, 0.61);
+    fillLookupTableValues(this->middleLookupTable, 0.833, 1.000, 0.61, 0.66);
+
+    fillLookupTableValues(this->minLookupTable, 0.000, 0.166, 0.33, 0.23);
+    fillLookupTableValues(this->minLookupTable, 0.166, 0.333, 0.23, 0.27);
+    fillLookupTableValues(this->minLookupTable, 0.333, 0.500, 0.27, 0.23);
+    fillLookupTableValues(this->minLookupTable, 0.500, 0.666, 0.23, 0.50);
+    fillLookupTableValues(this->minLookupTable, 0.666, 0.833, 0.50, 0.30);
+    fillLookupTableValues(this->minLookupTable, 0.833, 1.000, 0.30, 0.33);
+
+    // stylesheet
+    InputStyleSheet = "background:" + ChatInputBackground.name() + ";" +
+                      "border:" + TabSelectedBackground.name() + ";" + "color:" + Text.name() +
+                      ";" + "selection-background-color:" + TabSelectedBackground.name();
+
+    updated();
+}
+
+void ColorScheme::fillLookupTableValues(qreal (&array)[360], qreal from, qreal to, qreal fromValue,
+                                        qreal toValue)
+{
+    qreal diff = toValue - fromValue;
+
+    int start = from * LOOKUP_COLOR_COUNT;
+    int end = to * LOOKUP_COLOR_COUNT;
+    int length = end - start;
+
+    for (int i = 0; i < length; i++) {
+        array[start + i] = fromValue + (diff * ((qreal)i / length));
+    }
+}
+
+void ColorScheme::normalizeColor(QColor &color)
+{
+    //    qreal l = color.lightnessF();
+    //    qreal s = color.saturationF();
+    //    qreal x = this->colorLookupTable[std::max(0, color.hue())];
+    //    qreal newL = (l - 1) * x + 1;
+
+    //    newL = s * newL + (1 - s) * l;
+
+    //    newL = newL > 0.5 ? newL : newL / 2 + 0.25;
+
+    //    color.setHslF(color.hueF(), s, newL);
+
+    qreal l = color.lightnessF();
+    qreal s = color.saturationF();
+    int h = std::max(0, color.hue());
+    qreal x = this->middleLookupTable[h];
+    x = s * 0.5 + (1 - s) * x;
+
+    qreal min = this->minLookupTable[h];
+    min = (1 - s) * 0.5 + s * min;
+
+    qreal newL;
+
+    if (l < x) {
+        newL = l * ((x - min) / x) + min;
+
+        //        newL = (l * ((x - min) / x) + min);
+        //        newL = (1 - s) * newL + s * l;
+    } else {
+        newL = l;
+    }
+
+    color.setHslF(color.hueF(), s, newL);
+
+    //    qreal newL = (l - 1) * x + 1;
+
+    //    newL = s * newL + (1 - s) * l;
+
+    //    newL = newL > 0.5 ? newL : newL / 2 + 0.25;
+
+    //    color.setHslF(color.hueF(), s, newL);
+}
+}  // namespace chatterino