PyQt6_LaTaniere/slidergroovecolorstyle.py

from PyQt6.QtCore import Qt
from PyQt6.QtWidgets import (
    QSlider, QProxyStyle, QStyle
)
from PyQt6.QtGui import QColor

class SliderGrooveColorStyle(QProxyStyle):
    def __init__(self, base_style=None, groove_color=QColor("lightblue")):
        super().__init__(base_style)
        self.groove_color = groove_color

    def drawComplexControl(self, control, option, painter, widget=None):
        if control == QStyle.ComplexControl.CC_Slider and isinstance(widget, QSlider):

            # Récupérer la zone du groove
            groove_rect = self.subControlRect(
                QStyle.ComplexControl.CC_Slider,
                option,
                QStyle.SubControl.SC_SliderGroove,
                widget
            )

            # Dessiner notre fond
            painter.save()
            painter.setBrush(self.groove_color)
            painter.setPen(Qt.PenStyle.NoPen)
            painter.drawRect(groove_rect)
            painter.restore()

            # Puis laisser Qt dessiner normalement (handle etc.)
            super().drawComplexControl(control, option, painter, widget)
            return

        super().drawComplexControl(control, option, painter, widget)

class SliderSubPageColorStyle(QProxyStyle):
    def __init__(self, base_style=None, color=QColor("#4CAF50")):
        super().__init__(base_style)
        self.color = color

    def drawComplexControl(self, control, option, painter, widget=None):
        if control == QStyle.ComplexControl.CC_Slider and isinstance(widget, QSlider):

            # Laisser Qt dessiner le slider normalement
            super().drawComplexControl(control, option, painter, widget)

            # Récupérer les rectangles du groove et du handle
            groove_rect = self.subControlRect(
                control,
                option,
                QStyle.SubControl.SC_SliderGroove,
                widget
            )

            handle_rect = self.subControlRect(
                control,
                option,
                QStyle.SubControl.SC_SliderHandle,
                widget
            )

            painter.save()
            painter.setBrush(self.color)
            painter.setPen(Qt.PenStyle.NoPen)

            if widget.orientation() == Qt.Orientation.Horizontal:
                # Partie avant le handle (gauche → centre du handle)
                sub_rect = groove_rect.adjusted(
                    0,
                    0,
                    handle_rect.center().x() - groove_rect.right(),
                    0
                )
            else:
                # Vertical (bas → centre du handle)
                sub_rect = groove_rect.adjusted(
                    0,
                    handle_rect.center().y() - groove_rect.bottom(),
                    0,
                    0
                )

            painter.drawRect(sub_rect)
            painter.restore()

            return

        super().drawComplexControl(control, option, painter, widget)

class SliderAddPageColorStyle(QProxyStyle):
    def __init__(self, base_style=None, color=QColor("#FF9800")):
        super().__init__(base_style)
        self.color = color

    def drawComplexControl(self, control, option, painter, widget=None):
        if control == QStyle.ComplexControl.CC_Slider and isinstance(widget, QSlider):

            # Récupérer groove + handle
            groove_rect = self.subControlRect(
                control,
                option,
                QStyle.SubControl.SC_SliderGroove,
                widget
            )

            handle_rect = self.subControlRect(
                control,
                option,
                QStyle.SubControl.SC_SliderHandle,
                widget
            )

            painter.save()
            painter.setBrush(self.color)
            painter.setPen(Qt.PenStyle.NoPen)

            if widget.orientation() == Qt.Orientation.Horizontal:
                # Partie après le handle (centre → fin)
                add_rect = groove_rect.adjusted(
                    handle_rect.center().x() - groove_rect.left(),
                    0,
                    0,
                    0
                )
            else:
                # Vertical (centre → haut)
                add_rect = groove_rect.adjusted(
                    0,
                    0,
                    0,
                    handle_rect.center().y() - groove_rect.top()
                )

            painter.drawRect(add_rect)
            painter.restore()

            # IMPORTANT : Qt dessine ensuite le handle par-dessus
            super().drawComplexControl(control, option, painter, widget)
            return

        super().drawComplexControl(control, option, painter, widget)

class ThinAddPageLineStyle(QProxyStyle):
    def __init__(self, base_style=None, color=QColor("#E91E63")):
        super().__init__(base_style)
        self.color = color

    def drawComplexControl(self, control, option, painter, widget=None):
        if control == QStyle.ComplexControl.CC_Slider and isinstance(widget, QSlider):

            groove_rect = self.subControlRect(
                control,
                option,
                QStyle.SubControl.SC_SliderGroove,
                widget
            )

            handle_rect = self.subControlRect(
                control,
                option,
                QStyle.SubControl.SC_SliderHandle,
                widget
            )

            painter.save()
            painter.setBrush(self.color)
            painter.setPen(Qt.PenStyle.NoPen)

            if widget.orientation() == Qt.Orientation.Horizontal:
                # Épaisseur fine (2 px)
                thickness = 2

                y = groove_rect.center().y() - thickness // 2

                add_rect = groove_rect.adjusted(
                    handle_rect.center().x() - groove_rect.left(),
                    0,
                    0,
                    0
                )

                add_rect.setTop(y)
                add_rect.setHeight(thickness)

            else:
                thickness = 2

                x = groove_rect.center().x() - thickness // 2

                add_rect = groove_rect.adjusted(
                    0,
                    0,
                    0,
                    handle_rect.center().y() - groove_rect.top()
                )

                add_rect.setLeft(x)
                add_rect.setWidth(thickness)

            painter.drawRect(add_rect)
            painter.restore()

            # Dessiner ensuite le slider normalement (handle au-dessus)
            super().drawComplexControl(control, option, painter, widget)
            return

        super().drawComplexControl(control, option, painter, widget)

class ThinSubPageLineStyle(QProxyStyle):
    def __init__(self, base_style=None, color=QColor("#4CAF50")):
        super().__init__(base_style)
        self.color = color

    def drawComplexControl(self, control, option, painter, widget=None):
        if control == QStyle.ComplexControl.CC_Slider and isinstance(widget, QSlider):

            groove_rect = self.subControlRect(
                control,
                option,
                QStyle.SubControl.SC_SliderGroove,
                widget
            )

            handle_rect = self.subControlRect(
                control,
                option,
                QStyle.SubControl.SC_SliderHandle,
                widget
            )

            painter.save()
            painter.setBrush(self.color)
            painter.setPen(Qt.PenStyle.NoPen)

            # Épaisseur fine (ajuste si besoin)
            thickness = 2

            if widget.orientation() == Qt.Orientation.Horizontal:

                y = groove_rect.center().y() - thickness // 2

                sub_rect = groove_rect.adjusted(
                    0,
                    0,
                    handle_rect.center().x() - groove_rect.right(),
                    0
                )

                sub_rect.setTop(y)
                sub_rect.setHeight(thickness)

            else:
                x = groove_rect.center().x() - thickness // 2

                sub_rect = groove_rect.adjusted(
                    0,
                    handle_rect.center().y() - groove_rect.bottom(),
                    0,
                    0
                )

                sub_rect.setLeft(x)
                sub_rect.setWidth(thickness)

            painter.drawRect(sub_rect)
            painter.restore()

            # Qt redessine le slider (handle au-dessus)
            super().drawComplexControl(control, option, painter, widget)
            return

        super().drawComplexControl(control, option, painter, widget)