kis_selection_actions_panel.cpp

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/*
 *  SPDX-FileCopyrightText: 2025 Ross Rosales <ross.erosales@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#include "kis_selection_actions_panel.h"
 
#include "KoCanvasController.h"
#include "dialogs/kis_dlg_preferences.h"
#include "kis_action.h"
#include "kis_action_manager.h"
#include "kis_config_notifier.h"
#include "kis_canvas_widget_base.h"
#include "KisDocument.h"
#include "KisViewManager.h"
#include "kis_canvas2.h"
#include "kis_canvas_resource_provider.h"
#include "kis_icon_utils.h"
#include "kis_painting_tweaks.h"
#include "kis_selection.h"
#include "kis_selection_actions_panel_button.h"
#include "kis_selection_actions_panel_handle.h"
#include "kis_selection_manager.h"
#include <KoCompositeOpRegistry.h>
#include <QList>
#include <QMouseEvent>
#include <QPointF>
#include <QPushButton>
#include <QTabletEvent>
#include <QTouchEvent>
#include <QTransform>
#include <kactioncollection.h>
#include <kis_algebra_2d.h>
#include <klocalizedstring.h>
#include <ktoggleaction.h>
#include <kconfiggroup.h>
#include <KisPart.h>
#include <KisMainWindow.h>
 
#include <QApplication>
#include <QPainter>
#include <QPainterPath>
#include <QMenu>
 
#include <KoColorDisplayRendererInterface.h>
 
static constexpr int BUTTON_SIZE = 30;
static constexpr int BUFFER_SPACE = 5;
 
static constexpr int BIG_BUFFER_SPACE_X = 30;
static constexpr int BIG_BUFFER_SPACE_Y = 30;
 
 
 
class KisSelectionManager;
 
struct ActionButtonData {
    QString iconName;
    QString tooltip;
 
    using TargetSlot = void (KisSelectionManager::*)();
    TargetSlot slot;
};
 
struct KisSelectionActionsPanel::Private {
    Private()
    {
    }
    KisSelectionManager *m_selectionManager = nullptr;
    KisViewManager *m_viewManager = nullptr;
 
    int m_pressedIndex = -1;
    bool m_pressed = false;
    bool m_visible = false;
    bool m_enabled = true;
 
    struct DragHandle {
        QPoint position = QPoint(0, 0);
        QPoint dragOrigin = QPoint(0, 0);
        QPoint dragOffset = QPoint(0, 0);
    };
 
    DragHandle m_dragHandle;
 
    KisSelectionActionsPanelHandle * m_handleWidget;
    QList<KisSelectionActionsPanelButton *> m_buttons;
    static const QVector<ActionButtonData> &buttonData()
    {
        static const QVector<ActionButtonData> data = {
            {"select-all", i18n("Select All"), &KisSelectionManager::selectAll},
            {"select-invert", i18n("Invert Selection"), &KisSelectionManager::invert},
            {"select-clear", i18n("Deselect"), &KisSelectionManager::deselect},
            {"krita_tool_color_fill", i18n("Fill Selection with Color"), &KisSelectionManager::fillForegroundColor},
            {"draw-eraser", i18n("Clear Selection"), &KisSelectionManager::clear},
            {"duplicatelayer", i18n("Copy To New Layer"), &KisSelectionManager::copySelectionToNewLayer},
            {"tool_crop", i18n("Crop to Selection"), &KisSelectionManager::imageResizeToSelection},
            {"krita_tool_reference_images", i18n("Toggle pin selection actions bar"), &KisSelectionManager::toggleSAPpin}};
        return data;
    }
    int m_buttonCount = buttonData().size() + 1; // buttons + drag handle
 
    int m_actionBarWidth = m_buttonCount * BUTTON_SIZE;
    int m_actionBarHeight = BUTTON_SIZE;
    int m_innerActionBarWidth = (m_buttonCount - 1) * BUTTON_SIZE;
    int m_innerActionBarHeight = BUTTON_SIZE;
 
    KisAction* disable_action  = nullptr;
    KisAction* configure_action  = nullptr;
 
    Orientation orientation = Orientation::Horizontal;
    Position position = Position::Bottom;
    Behavior behavior = Behavior::FreeFloating;
 
    const QString dragOffsetConfigName = "selectionActionBarDragOffset";
 
    int sapPinButtonIndex = {-1};
};
 
 
 
KisSelectionActionsPanel::KisSelectionActionsPanel(KisViewManager *viewManager)
    : d(new Private)
{
    d->m_viewManager = viewManager;
    d->m_selectionManager = viewManager->selectionManager();
 
 
    KisConfig kcfg(true);
    // instead of loading the user's configuration, set it to the "old version" of the behaviour:
    kcfg.setSelectionActionBarOrientation(KisConfig::SelectionActionsBarOrientation::Horizontal);
    kcfg.setSelectionActionBarPosition(KisConfig::SelectionActionsBarPosition::Bottom);
    // whether it's fixed or free-floating can be determined by the pin icon, so let's load that one correctly and don't change it
    // TODO: remove this whole part when restoring the behaviour
 
    // Setup buttons...
    QVector<ActionButtonData> data = Private::buttonData();
    for (int i = 0; i  < data.length(); i++) {
        const ActionButtonData &buttonData = data[i];
        KisSelectionActionsPanelButton *button = new KisSelectionActionsPanelButton(buttonData.iconName, buttonData.tooltip, BUTTON_SIZE, viewManager->canvas());
        connect(button, &QAbstractButton::clicked, d->m_selectionManager, buttonData.slot);
        connect(button, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(showContextMenu(QPoint)));
        d->m_buttons.append(button);
 
        if (buttonData.slot == &KisSelectionManager::toggleSAPpin) {
            d->sapPinButtonIndex = i;
            button->setCheckable(true);
        }
    }
 
    d->m_handleWidget = new KisSelectionActionsPanelHandle(BUTTON_SIZE, d->orientation, viewManager->canvas());
    connect(d->m_handleWidget, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(showContextMenu(QPoint)));
 
    d->disable_action = new KisAction(i18n("Disable selection actions bar"));
    connect(d->disable_action, SIGNAL(triggered()), SLOT(disableSelectionActionsPanel())  );
 
    d->configure_action = viewManager->actionManager()->actionByName("configure_sap");
    connect(d->configure_action, SIGNAL(triggered()), SLOT(configureSelectionActionsPanel()));
 
    connect(KisConfigNotifier::instance(), SIGNAL(configChanged()), SLOT(configChanged()));
    connect(d->m_viewManager->canvasBase()->canvasController()->proxyObject, SIGNAL(canvasStateChanged()), SLOT(canvasStateChanged()));
 
    connect(KisPart::instance()->currentMainwindow(), SIGNAL(themeChanged()), this, SLOT(themeChanged()));
 
    KConfigGroup cfg = KSharedConfig::openConfig()->group("");
    d->m_dragHandle.dragOffset = cfg.readEntry(d->dragOffsetConfigName, QPoint(0, 0));
 
    configChanged(true);
 
}
 
KisSelectionActionsPanel::~KisSelectionActionsPanel()
{
}
 
void KisSelectionActionsPanel::draw(QPainter &painter, const KoColorDisplayRendererInterface *displayRendererInterface)
{
    KisSelectionSP selection = d->m_viewManager->selection();
 
    if (!selection || !d->m_enabled || !d->m_visible) {
        return;
    }
 
    if (d->m_pressed && d->behavior == Behavior::FreeFloating) {
        drawAnchorWhileMoving(painter);
    }
 
    //drawDebugRectanglesForFreeFloatingBehaviour(painter);
 
    drawActionBarBackground(painter, displayRendererInterface);
    Q_FOREACH(KisSelectionActionsPanelButton* button, d->m_buttons){
        button->draw(painter, displayRendererInterface);
    }
 
    if (d->m_handleWidget->isEnabled()) {
        d->m_handleWidget->draw(painter, displayRendererInterface);
    }
 
}
 
void KisSelectionActionsPanel::setOrientation(Orientation mode)
{
    d->orientation = mode;
    d->m_handleWidget->setOrientation(mode);
    recalculateDimensions();
 
    //Recalcute the position of the bar to be inside the canvas
    updatePositioning();
}
 
void KisSelectionActionsPanel::setHandleEnabled(bool enabled)
{
    if (enabled && !d->m_handleWidget->isEnabled()) {
        d->m_handleWidget->setEnabled(enabled);
        d->m_buttonCount++;
    }
 
    if (!enabled && d->m_handleWidget->isEnabled()) {
        d->m_handleWidget->setEnabled(enabled);
        d->m_buttonCount--;
    }
    recalculateDimensions();
}
 
QPoint KisSelectionActionsPanel::getFixedPosition() const
{
    QWidget *canvasWidget = dynamic_cast<QWidget *>(d->m_viewManager->canvas());
    if (!canvasWidget) {
        return QPoint();
    }
 
    QRect canvasBounds = canvasWidget->rect();
    QPoint result = QPoint();
 
    switch (d->position) {
    case KisConfig::Bottom:
        result.setY(canvasBounds.bottom());
        result.setX((canvasBounds.width() - d->m_actionBarWidth) / 2);
        break;
    case KisConfig::BottomLeft:
        result.setY(canvasBounds.bottom());
        result.setX(canvasBounds.left());
        break;
    case KisConfig::BottomRight:
        result.setY(canvasBounds.bottom());
        result.setX(canvasBounds.right());
        break;
    case KisConfig::Left:
        result.setY((canvasBounds.height() - d->m_actionBarHeight) / 2);
        result.setX(canvasBounds.left());
        break;
    case KisConfig::Right:
        result.setY((canvasBounds.height() - d->m_actionBarHeight) / 2);
        result.setX(canvasBounds.right());
        break;
    case KisConfig::Top:
        result.setY(canvasBounds.top());
        result.setX((canvasBounds.width() - d->m_actionBarWidth) / 2);
        break;
    case KisConfig::TopLeft:
        result.setY(canvasBounds.top());
        result.setX(canvasBounds.left());
        break;
    case KisConfig::TopRight:
        result.setY(canvasBounds.top());
        result.setX(canvasBounds.right());
        break;
    }
 
    return clipPositionToCanvasBoundaries(result, canvasWidget);
}
 
void KisSelectionActionsPanel::recalculateDimensions()
{
    if (!d->m_handleWidget) return;
 
    if (d->orientation == Orientation::Horizontal) {
        d->m_innerActionBarHeight = d->m_actionBarHeight = BUTTON_SIZE;
        d->m_innerActionBarWidth = d->m_actionBarWidth = BUTTON_SIZE * d->m_buttonCount;
        if (d->m_handleWidget->isEnabled()) {
            d->m_innerActionBarWidth = BUTTON_SIZE * (d->m_buttonCount - 1);
        }
    } else if (d->orientation == Orientation::Vertical) {
        d->m_innerActionBarHeight = d->m_actionBarHeight = BUTTON_SIZE * d->m_buttonCount;
        d->m_innerActionBarWidth = d->m_actionBarWidth = BUTTON_SIZE;
        if (d->m_handleWidget->isEnabled()) {
            d->m_innerActionBarHeight = BUTTON_SIZE * (d->m_buttonCount - 1);
        }
    }
 
    movePanelWidgets();
}
 
void KisSelectionActionsPanel::setVisible(bool p_visible)
{
    QWidget *canvasWidget = dynamic_cast<QWidget *>(d->m_viewManager->canvas());
    if (!canvasWidget) {
        return;
    }
 
    p_visible &= d->m_enabled;
 
    const bool VISIBILITY_CHANGED = d->m_visible != p_visible;
    if (!VISIBILITY_CHANGED) {
        return;
    }
 
    d->configure_action->setVisible(p_visible && d->m_viewManager->selection());
 
    // movePanelWidgets() uses d->m_visible to decide whether to make the widgets
    // visible or not
    d->m_visible = p_visible;
 
    if (d->m_viewManager->selection() && p_visible) { // Now visible!
        d->m_handleWidget->installEventFilter(this);
        updatePositioning();
    } else { // Now hidden!
        d->m_handleWidget->removeEventFilter(this);
 
        for (KisSelectionActionsPanelButton *button : d->m_buttons) {
            button->hide();
        }
        d->m_handleWidget->hide();
 
        d->m_pressed = false;
    }
}
 
void KisSelectionActionsPanel::setEnabled(bool enabled)
{
 
    bool configurationChanged = enabled != d->m_enabled;
 
    d->configure_action->setVisible(enabled && d->m_viewManager->selection());
 
    d->m_enabled = enabled;
    if (configurationChanged) {
        // Reset visibility when configuration changes
        setVisible(enabled);
    }
}
 
bool KisSelectionActionsPanel::eventFilter(QObject *obj, QEvent *event)
{
    Q_UNUSED(obj);
 
    switch (event->type()) {
    case QEvent::MouseButtonPress: {
        const QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
        return handlePress(event, mouseEventPos(mouseEvent), mouseEvent->button());
    }
    case QEvent::TabletPress: {
        const QTabletEvent *tabletEvent = static_cast<QTabletEvent *>(event);
        return handlePress(event, tabletEventPos(tabletEvent));
    }
    case QEvent::TouchBegin: {
        const QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event);
        QPoint pos;
        if (touchEventPos(touchEvent, pos)) {
            return handlePress(event, pos);
        }
        break;
    }
 
    case QEvent::MouseMove:
        if (d->m_pressed) {
            const QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
            return handleMove(event, mouseEventPos(mouseEvent));
        }
        break;
    case QEvent::TabletMove:
        if (d->m_pressed) {
            const QTabletEvent *tabletEvent = static_cast<QTabletEvent *>(event);
            return handleMove(event, tabletEventPos(tabletEvent));
        }
        break;
    case QEvent::TouchUpdate:
        if (d->m_pressed) {
            const QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event);
            QPoint pos;
            if (touchEventPos(touchEvent, pos)) {
                return handleMove(event, pos);
            }
        }
        break;
 
    case QEvent::MouseButtonRelease:
    case QEvent::TabletRelease:
    case QEvent::TouchEnd:
    case QEvent::TouchCancel:
        if (d->m_pressed) {
            return handleRelease(event);
        }
        break;
 
    default:
        break;
    }
    return false;
}
 
 
void KisSelectionActionsPanel::canvasWidgetChanged(KisCanvasWidgetBase* canvas)
{
 
    Q_FOREACH(QWidget* btn, d->m_buttons)  {
        btn->setParent(canvas->widget());
        if (d->m_visible) {
            btn->show();
        }
    }
 
    d->m_handleWidget->setParent(canvas->widget());
    if (d->m_visible) {
        d->m_handleWidget->show();
    }
}
 
void KisSelectionActionsPanel::updatePositioning()
{
    if (d->m_visible) {
        d->m_dragHandle.position = currentTopLeftPosition();
        movePanelWidgets();
    }
}
 
QPoint KisSelectionActionsPanel::clipPositionToCanvasBoundaries(QPoint position, QWidget *canvasWidget) const
{
    QRect canvasBounds = canvasWidget->rect();
 
    const int ACTION_BAR_WIDTH = d->m_actionBarWidth;
    const int ACTION_BAR_HEIGHT = d->m_actionBarHeight;
 
    int pos_x_min = canvasBounds.left() + BUFFER_SPACE;
    int pos_x_max = canvasBounds.right() - ACTION_BAR_WIDTH - BUFFER_SPACE;
 
    int pos_y_min = canvasBounds.top() + BUFFER_SPACE;
    int pos_y_max = canvasBounds.bottom() - ACTION_BAR_HEIGHT - BUFFER_SPACE;
 
    //Ensure that max is always bigger than min
    //If the window is small enough max could be smaller than min
    if (pos_x_max < pos_x_min) {
        pos_x_max = pos_x_min;
    }
 
    //It is pretty implausible for it to happen vertically but better safe than sorry
    if (pos_y_max < pos_y_min) {
        pos_y_max = pos_y_min;
    }
 
    position.setX(qBound(pos_x_min, position.x(), pos_x_max));
    position.setY(qBound(pos_y_min, position.y(), pos_y_max));
 
    return position;
}
 
QPoint KisSelectionActionsPanel::horizontalFreeFloatingTopLeftPosition(bool calculateOnlyAnchor) const
{
    Position position = d->position;
    QRect selection = getWidgetSelectionRect().toRect();
    QPoint anchor = selection.center();
    QPoint offsetted = selection.center();
    qreal barHorizontalOffset = d->m_actionBarWidth;
    qreal barVerticalOffset = d->m_actionBarHeight;
 
    switch (position) {
        case Position::Top:
        case Position::Bottom:
            anchor = QPoint(selection.center().x(), 0);
            offsetted = anchor - QPoint(barHorizontalOffset/2, 0);
        break;
        case Position::TopLeft:
        case Position::BottomLeft:
            anchor = QPoint(selection.left(), 0);
            offsetted = anchor;
        break;
        case Position::TopRight:
        case Position::BottomRight:
            anchor = QPoint(selection.right(), 0);
            offsetted = anchor - QPoint(barHorizontalOffset, 0);
        break;
 
 
        case Position::Left:
            anchor = QPoint(selection.left(), 0);
            offsetted = anchor - QPoint(barHorizontalOffset + BIG_BUFFER_SPACE_X, 0);
        break;
 
        case Position::Right:
            anchor = QPoint(selection.right(), 0);
            offsetted = anchor + QPoint(BIG_BUFFER_SPACE_X, 0);
        break;
    }
 
    switch (position) {
        case Position::Top:
        case Position::TopLeft:
        case Position::TopRight:
            anchor += QPoint(0, selection.top());
            offsetted += QPoint(0, selection.top() - BIG_BUFFER_SPACE_Y - barVerticalOffset);
        break;
        case Position::Bottom:
        case Position::BottomLeft:
        case Position::BottomRight:
            anchor += QPoint(0, selection.bottom());
            offsetted += QPoint(0, selection.bottom() + BIG_BUFFER_SPACE_Y);
        break;
 
        case Position::Left:
        case Position::Right:
            anchor += QPoint(0, selection.center().y());
            offsetted += QPoint(0, selection.center().y() - barVerticalOffset/2);
        break;
 
    }
 
    if (calculateOnlyAnchor) {
        return anchor;
    }
    return offsetted;
 
}
 
QPoint KisSelectionActionsPanel::verticalFreeFloatingTopLeftPosition(bool calculateOnlyAnchor) const
{
    Position position = d->position;
    QRect selection = getWidgetSelectionRect().toRect();
    QPoint anchor = selection.center();
    QPoint offsetted = selection.center();
    qreal barVerticalOffset = d->m_actionBarHeight;
    qreal barHorizontalOffset = d->m_actionBarWidth;
 
    switch (position) {
        case Position::Left:
        case Position::Right:
            anchor = QPoint(0, selection.center().y());
            offsetted = -QPoint(0, barVerticalOffset/2);
        break;
        case Position::TopLeft:
        case Position::TopRight:
            anchor = QPoint(0, selection.top());
            offsetted = QPoint();
        break;
        case Position::BottomLeft:
        case Position::BottomRight:
            anchor = QPoint(0, selection.bottom());
            offsetted = -QPoint(0, barVerticalOffset);
        break;
 
        case Position::Top:
            anchor = QPoint(0, selection.top());
            offsetted = -QPoint(0, barVerticalOffset + BIG_BUFFER_SPACE_Y);
        break;
 
        case Position::Bottom:
            anchor = QPoint(0, selection.bottom());
            offsetted = QPoint(0, BIG_BUFFER_SPACE_Y);
        break;
    }
 
    switch (position) {
        case Position::Left:
        case Position::TopLeft:
        case Position::BottomLeft:
            anchor += QPoint(selection.left(), 0);
            offsetted += QPoint(- BIG_BUFFER_SPACE_X - barHorizontalOffset, 0);
        break;
        case Position::Right:
        case Position::TopRight:
        case Position::BottomRight:
            anchor += QPoint(selection.right(), 0);
            offsetted += QPoint(BIG_BUFFER_SPACE_X, 0);
        break;
 
        case Position::Top:
        case Position::Bottom:
            anchor += QPoint(selection.center().x(), 0);
            offsetted += QPoint(- barHorizontalOffset/2, 0);
        break;
    }
 
    if (calculateOnlyAnchor) {
        return anchor;
    }
    return anchor + offsetted;
}
 
QRectF KisSelectionActionsPanel::getWidgetSelectionRect() const
{
    if (!d->m_viewManager) {
        return QRectF();
    }
 
    KisSelectionSP selection = d->m_viewManager->selection();
    KisCanvasWidgetBase *canvas = dynamic_cast<KisCanvasWidgetBase*>(d->m_viewManager->canvas());
 
    if (!canvas || !selection) {
        return QRectF();
    }
 
    QPainterPath selectionOutline = selection->outlineCache();
    const KisCoordinatesConverter *converter = canvas->coordinatesConverter();
 
    if (!converter) {
        return QRectF();
    }
 
    QRectF selectionBoundsWidget = converter->imageToWidget(selectionOutline).boundingRect();
 
    return selectionBoundsWidget;
}
 
QPoint KisSelectionActionsPanel::freeFloatingInitialTopLeftPosition(bool calculateOnlyAnchor) const
{
    if (d->orientation == Orientation::Horizontal) {
        return horizontalFreeFloatingTopLeftPosition(calculateOnlyAnchor);
    } else {
        return verticalFreeFloatingTopLeftPosition(calculateOnlyAnchor);
    }
}
 
QPoint KisSelectionActionsPanel::currentTopLeftPosition() const
{
    if (d->behavior == Behavior::Fixed) {
        return getFixedPosition();
    }
 
    QPoint widgetTopLeftPosition = freeFloatingInitialTopLeftPosition();
    widgetTopLeftPosition += d->m_dragHandle.dragOffset;
 
    return clipPositionToCanvasBoundaries(widgetTopLeftPosition, d->m_viewManager->canvas());
}
 
void KisSelectionActionsPanel::drawAnchorWhileMoving(QPainter &painter) const
{
    painter.save();
 
    QPen pen = painter.pen();
    pen.setStyle(Qt::CustomDashLine);
    pen.setDashPattern({6, 6});
    pen.setColor(Qt::darkGray);
    painter.setPen(pen);
    QPoint initial = freeFloatingInitialTopLeftPosition(true);
    QPoint offset = QPoint(d->m_actionBarWidth/2, d->m_actionBarHeight/2);
    painter.drawLine(QLine(initial, d->m_dragHandle.position + offset));
 
    int xSize = 8;
    pen.setStyle(Qt::SolidLine);
    painter.setPen(pen);
 
    painter.drawLine(initial + QPoint(xSize, xSize), initial - QPoint(xSize, xSize));
    painter.drawLine(initial + QPoint(xSize, -xSize), initial + QPoint(-xSize, xSize));
 
    painter.restore();
}
 
void KisSelectionActionsPanel::drawActionBarBackground(QPainter &painter, const KoColorDisplayRendererInterface *displayRendererInterface) const
{
    const int cornerRadius = 4;
    QColor outlineColor = qApp->palette().window().color();
 
    QColor bgColor = qApp->palette().window().color();
 
    //Slightly lighten the color, to force `dragColor` to  move it in the lighter direction, without this it will always darken the color
    if (!KisIconUtils::useDarkIcons()) {
        bgColor = bgColor.lighter(120);
    }
 
    KisPaintingTweaks::dragColor(&bgColor,  outlineColor, 0.25);
 
    // Manually convert here, to keep as much consistency as possible.
    KoColor c;
    c.fromQColor(bgColor);
    bgColor = displayRendererInterface->convertColorToDisplayColorSpace(c);
    c.fromQColor(outlineColor);
    outlineColor = displayRendererInterface->convertColorToDisplayColorSpace(c);
 
    QColor bgColorTrans = bgColor;
    bgColorTrans.setAlpha(80);
    const int outline_width = 4;
 
    //an outer 1px wide outline for contrast against the background
    QRectF contrastOutline(d->m_dragHandle.position - QPoint(outline_width + 1,outline_width + 1), QSize(d->m_actionBarWidth, d->m_actionBarHeight) +QSize(outline_width + 1,outline_width + 1) * 2);
    QRectF midOutline(d->m_dragHandle.position - QPoint(outline_width,outline_width), QSize(d->m_actionBarWidth, d->m_actionBarHeight) +QSize(outline_width,outline_width) * 2);
    //Add a bit of padding here for the icons
    QRectF centerBackground(d->m_dragHandle.position - QPoint(outline_width,outline_width) / 2, QSize(d->m_innerActionBarWidth, d->m_innerActionBarHeight) +QSize(outline_width,outline_width));
    QPainterPath bgPath;
    QPainterPath outlinePath;
    QPainterPath contrastOutlinePath;
 
    bgPath.addRoundedRect(centerBackground, cornerRadius, cornerRadius);
    outlinePath.addRoundedRect(midOutline, cornerRadius, cornerRadius);
    contrastOutlinePath.addRoundedRect(contrastOutline, cornerRadius, cornerRadius);
 
    painter.fillPath(contrastOutlinePath, bgColorTrans);
    painter.fillPath(outlinePath, outlineColor);
    painter.fillPath(bgPath, bgColor);
}
 
bool KisSelectionActionsPanel::handlePress(QEvent *event, const QPoint &pos, Qt::MouseButton button)
{
    if (d->m_pressed) {
        event->accept();
        return true;
    }
 
    if (button == Qt::LeftButton) {
        d->m_pressed = true;
        d->m_dragHandle.dragOrigin = pos - d->m_dragHandle.dragOffset;
        d->m_handleWidget->set_held(true);
 
        event->accept();
        return true;
    }
 
    return false;
}
 
bool KisSelectionActionsPanel::handleMove(QEvent *event, const QPoint &pos)
{
    QWidget *canvasWidget = d->m_viewManager->canvas();
    QPoint newPos = pos - d->m_dragHandle.dragOrigin;
    d->m_dragHandle.dragOffset = newPos;
 
    updatePositioning();
 
    canvasWidget->update();
    event->accept();
    return true;
}
 
bool KisSelectionActionsPanel::handleRelease(QEvent *event)
{
    d->m_handleWidget->set_held(false);
    d->m_pressed = false;
    event->accept();
 
    KConfigGroup cfg = KSharedConfig::openConfig()->group("");
    cfg.writeEntry(d->dragOffsetConfigName, d->m_dragHandle.dragOffset);
 
    return true;
}
 
void KisSelectionActionsPanel::movePanelWidgets()
{
    //This function gets called on panel creation, when dragHandle is not initialized, so we need to handle that
    if (!d->m_handleWidget)
        return;
 
    // don't show the widgets if the panel is hidden
    if (!d->m_visible)
        return;
 
    if (d->orientation == Orientation::Vertical) {
        d->m_handleWidget->move(d->m_dragHandle.position.x(),
                                d->m_dragHandle.position.y() + d->m_buttons.size() * BUTTON_SIZE);
    } else if (d->orientation == Orientation::Horizontal) {
        d->m_handleWidget->move(d->m_dragHandle.position.x() + d->m_buttons.size() * BUTTON_SIZE,
                                d->m_dragHandle.position.y());
    }
    d->m_handleWidget->show();
 
    int i = 0;
    Q_FOREACH (KisSelectionActionsPanelButton *button, d->m_buttons) {
        int buttonPosition = i * BUTTON_SIZE;
 
        if (d->orientation == Orientation::Vertical) {
            button->move(d->m_dragHandle.position.x(), d->m_dragHandle.position.y() + buttonPosition);
        } else if (d->orientation == Orientation::Horizontal) {
            button->move(d->m_dragHandle.position.x() + buttonPosition, d->m_dragHandle.position.y());
        }
        button->show();
 
        i++;
    }
}
 
QPoint KisSelectionActionsPanel::mouseEventPos(const QMouseEvent *mouseEvent)
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
    return transformHandleCoords(mouseEvent->position().toPoint());
#else
    return transformHandleCoords(mouseEvent->pos());
#endif
}
 
QPoint KisSelectionActionsPanel::tabletEventPos(const QTabletEvent *tabletEvent)
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
    return transformHandleCoords(tabletEvent->position().toPoint());
#else
    return transformHandleCoords(tabletEvent->pos());
#endif
}
 
bool KisSelectionActionsPanel::touchEventPos(const QTouchEvent *touchEvent, QPoint &outPos)
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
    if (touchEvent->pointCount() < 1) {
        return false;
    } else {
        outPos = transformHandleCoords(touchEvent->points().first().position().toPoint());
        return true;
    }
#else
    const QList<QTouchEvent::TouchPoint> &touchPoints = touchEvent->touchPoints();
    if (touchPoints.isEmpty()) {
        return false;
    } else {
        outPos = transformHandleCoords(touchPoints.first().pos().toPoint());
        return true;
    }
#endif
}
 
QPoint KisSelectionActionsPanel::transformHandleCoords(QPoint pos) {
    return d->m_dragHandle.position + pos;
}
 
void KisSelectionActionsPanel::showContextMenu(const QPoint &pos)
{
    QMenu menu = QMenu();
    menu.addAction(d->disable_action);
    menu.addAction(d->configure_action);
    menu.exec(pos);
}
 
void KisSelectionActionsPanel::disableSelectionActionsPanel()
{
    KisConfig cfg(false);
    cfg.setSelectionActionBar(false);
    KisConfigNotifier::instance()->notifyConfigChanged();
}
 
void KisSelectionActionsPanel::configureSelectionActionsPanel()
{
    KisAction *a = d->m_viewManager->actionManager()->actionByName("options_configure");
 
    a->setData(QList<QVariant>({KisDlgPreferences::Page::General, KisDlgPreferences::GeneralTabs::Tools}));
 
    a->trigger();
}
 
void KisSelectionActionsPanel::configChanged(bool skipResettingOffset)
{
    KisConfig cfg(true);
    KConfigGroup silentCfg = KSharedConfig::openConfig()->group("");
 
 
    setHandleEnabled(cfg.selectionActionBarBehavior() != Behavior::Fixed);
 
    bool resetOffset = false;
    if (d->orientation != cfg.selectionActionBarOrientation()) {
        resetOffset = true;
        setOrientation(cfg.selectionActionBarOrientation());
    }
    d->behavior = cfg.selectionActionBarBehavior();
    if (d->position != cfg.selectionActionBarPosition()) {
        resetOffset = true;
        d->position = cfg.selectionActionBarPosition();
    }
 
    if (resetOffset && !skipResettingOffset) {
        d->m_dragHandle.dragOffset = QPoint();
        silentCfg.writeEntry(d->dragOffsetConfigName, QPoint());
    }
 
    if (d->sapPinButtonIndex >= 0 && d->m_buttons[d->sapPinButtonIndex] && d->m_buttons[d->sapPinButtonIndex]->isCheckable()) {
        d->m_buttons[d->sapPinButtonIndex]->setChecked(cfg.selectionActionBarBehavior() == Behavior::Fixed);
    }
 
    updatePositioning();
}
 
void KisSelectionActionsPanel::canvasStateChanged()
{
    updatePositioning();
}
 
void KisSelectionActionsPanel::themeChanged()
{
    Q_FOREACH(KisSelectionActionsPanelButton* button, d->m_buttons) {
        KisIconUtils::updateIcon(button);
    }
    d->m_handleWidget->themeChanged();
}
 
 
 
void KisSelectionActionsPanel::drawDebugRectangle(QPainter &painter, Position position)
{
    d->position = position;
    QBrush brush(Qt::cyan);
    QPoint p = freeFloatingInitialTopLeftPosition();
    brush.setColor(QColor(100 + 20*(int)position, 100, 100, 150));
    painter.setBrush(brush);
    painter.drawRect(QRect(p, QSize(d->m_actionBarWidth, d->m_actionBarHeight)));
    painter.drawEllipse(freeFloatingInitialTopLeftPosition(true), 10, 10);
}
 
 
void KisSelectionActionsPanel::drawDebugRectanglesForFreeFloatingBehaviour(QPainter &painter)
{
    painter.save();
    Position remember = d->position;
 
    for (int position = 0; position < 8; position++) {
        drawDebugRectangle(painter, (Position)position);
    }
 
    painter.restore();
    d->position = remember;
 
}