Add win10 border handler

Sine Striker

2023-12-12 0586c98f90866e4bc9f0dfe73aefb0a07c56697e

 src/widgets/widgetwindowagent.cpp

@@ -5,34 +5,36 @@
#include <QtGui/QPainter>
#include <QtCore/QDebug>

#ifdef Q_OS_WINDOWS
#  include <QWKCore/private/win10borderhandler_p.h>
#endif

#include "widgetitemdelegate_p.h"

namespace QWK {

    class WidgetBorderHandler : public QObject {
#ifdef Q_OS_WINDOWS
    class WidgetBorderHandler : public QObject, public Win10BorderHandler {
    public:
        WidgetBorderHandler(QWidget *widget, AbstractWindowContext *ctx)
            : widget(widget), ctx(ctx), m_thickness(0) {
            updateThickness();
        explicit WidgetBorderHandler(QWidget *widget)
            : Win10BorderHandler(widget->windowHandle()), widget(widget) {
            widget->installEventFilter(this);
        }

        void updateThickness() {
            // Query thickness
            bool native = false;
            void *a[] = {
                &native,
                &m_thickness,
            };
            ctx->virtual_hook(AbstractWindowContext::BorderThicknessHook, &a);
        }

        void updateMargins() {
        void updateGeometry() override {
            if (widget->windowState() & (Qt::WindowMaximized | Qt::WindowFullScreen)) {
                widget->setContentsMargins({});
            } else {
                widget->setContentsMargins({0, int(m_thickness), 0, 0});
                widget->setContentsMargins({0, int(m_borderThickness), 0, 0});
            }
        }

        void requestUpdate() override {
            widget->update();
        }

        bool isActive() const override {
            return widget->isActiveWindow();
        }

    protected:
@@ -41,33 +43,11 @@
                case QEvent::Paint: {
                    if (widget->windowState() & (Qt::WindowMaximized | Qt::WindowFullScreen))
                        break;

                    auto paintEvent = static_cast<QPaintEvent *>(event);
                    QPainter painter(widget);
                    QRect rect = paintEvent->rect();
                    QRegion region = paintEvent->region();
                    void *args[] = {
                        &painter,
                        &rect,
                        &region,
                    };
                    ctx->virtual_hook(AbstractWindowContext::DrawBordersHook, args);
                    paintBorder(painter, paintEvent->rect(), paintEvent->region());
                    return true;
                }

                case QEvent::WindowStateChange: {
                    updateMargins();
                    break;
                }

                case QEvent::WindowActivate:
                case QEvent::WindowDeactivate: {
                    widget->update();
                    break;
                }

                    // TODO: Handle DPI Change

                default:
                    break;
            }
@@ -75,9 +55,8 @@
        }

        QWidget *widget;
        AbstractWindowContext *ctx;
        quint32 m_thickness;
    };
#endif

    WidgetWindowAgentPrivate::WidgetWindowAgentPrivate() {
    }
@@ -114,14 +93,17 @@
        }
        d->hostWidget = w;

#ifdef Q_OS_WINDOWS
        // Install painting hook
        if (bool needPaintBorder = false;
            d->context->virtual_hook(AbstractWindowContext::NeedsDrawBordersHook, &needPaintBorder),
        if (bool needPaintBorder;
            QMetaObject::invokeMethod(d->context.get(), "needWin10BorderHandler",
                                      Qt::DirectConnection, Q_RETURN_ARG(bool, needPaintBorder)),
            needPaintBorder) {
            auto borderHandler = std::make_unique<WidgetBorderHandler>(w, d->context.get());
            borderHandler->updateMargins();
            d->borderHandler = std::move(borderHandler);
            QMetaObject::invokeMethod(d->context.get(), "setWin10BorderHandler",
                                      Qt::DirectConnection,
                                      Q_ARG(Win10BorderHandler *, new WidgetBorderHandler(w)));
        }
#endif
        return true;
    }