from PyQt5.QtCore import Qt
from PyQt5.QtGui import QPalette, QColor


WHITE = Qt.white

VIOLET = QColor("#792953")
BLUE   = QColor("#003e6e")

GREY0 = QColor(25, 25, 25) # dark
GREY1 = QColor(35, 35, 35)
GREY2 = QColor(50, 50, 50)
GREY3 = QColor(125, 125, 125) # light

MDI_BKG = QColor(150, 150, 150)


def theme(app):
    app.setStyle("Fusion")

    pal = QPalette()

    pal.setColor(QPalette.ButtonText, WHITE)
    pal.setColor(QPalette.HighlightedText, WHITE)
    pal.setColor(QPalette.Text, WHITE)
    pal.setColor(QPalette.ToolTipText, WHITE)
    pal.setColor(QPalette.WindowText, WHITE)

    pal.setColor(QPalette.Base, GREY1)
    pal.setColor(QPalette.AlternateBase, GREY2)
    pal.setColor(QPalette.Window, GREY2)
    pal.setColor(QPalette.Button, GREY2)
    pal.setColor(QPalette.ToolTipBase, GREY0)

    pal.setColor(QPalette.BrightText, VIOLET)
    pal.setColor(QPalette.Highlight, VIOLET)
    pal.setColor(QPalette.Link, BLUE)
    pal.setColor(QPalette.LinkVisited, VIOLET)

    pal.setColor(QPalette.Active, QPalette.Button, GREY2)

    pal.setColor(QPalette.Disabled, QPalette.ButtonText, GREY3)
    pal.setColor(QPalette.Disabled, QPalette.WindowText, GREY3)
    pal.setColor(QPalette.Disabled, QPalette.Text, GREY3)
    pal.setColor(QPalette.Disabled, QPalette.Light, GREY2)

    app.setPalette(pal)