VuoInputEditorAnchor.cc

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#include "VuoInputEditorAnchor.hh"
#include "VuoInputEditorIcon.hh"
 
extern "C"
{
}
 
QIcon* VuoInputEditorAnchor::renderIconWithLineSegments(const float* points, const unsigned int length)
{
    // needs a minimum of 2 points
    if (length % 4 != 0)
        return NULL;
 
    return VuoInputEditorIcon::renderIcon(
        ^(QPainter &p)
        {
            QPainterPath path;
 
            for(int i = 0; i < length; i += 4)
            {
                path.moveTo(points[i+0], points[i+1]);
                path.lineTo(points[i+2], points[i+3]);
            }
 
            p.strokePath(path, QPen(Qt::black, 1));
        });
}
 
QIcon* VuoInputEditorAnchor::iconForAnchorIndex(const int anchor)
{
    const float left_top[8] = { 1.f, 1.f, 1.f, 15.f, 1.f, 1.f, 15.f, 1.f };
    const float center_top[4] = { 1.f, 1.f, 15.f, 1.f };
    const float right_top[8] = { 1.f, 1.f, 15.f, 1.f, 15.f, 1.f, 15.f, 15.f};
 
    const float left_center[4] = { 1.f, 1.f, 1.f, 15.f };
    const float center_center[8] = { 8.f, 1.f, 8.f, 15.f, 1.f, 8.f, 15.f, 8.f };
    const float right_center[4] = { 15.f, 1.f, 15.f, 15.f };
 
    const float left_bottom[8] = { 1.f, 15.f, 1.f, 1.f, 1.f, 15.f, 15.f, 15.f };
    const float center_bottom[4] = { 1.f, 15.f, 15.f, 15.f };
    const float right_bottom[8] = { 1.f, 15.f, 15.f, 15.f, 15.f, 15.f, 15.f, 1.f };
 
    switch(anchor)
    {
        // VuoHorizontalAlignment_Left,     VuoVerticalAlignment_Top
        case 0:
            return renderIconWithLineSegments( left_top, 8 );
 
        // VuoHorizontalAlignment_Center,   VuoVerticalAlignment_Top
        case 1:
            return renderIconWithLineSegments( center_top, 4 );
 
        // VuoHorizontalAlignment_Right,    VuoVerticalAlignment_Top
        case 2:
            return renderIconWithLineSegments( right_top, 8 );
 
        // VuoHorizontalAlignment_Left,     VuoVerticalAlignment_Center
        case 3:
            return renderIconWithLineSegments( left_center, 4 );
 
        // VuoHorizontalAlignment_Center,   VuoVerticalAlignment_Center
        case 4:
            return renderIconWithLineSegments( center_center, 8 );
 
        // VuoHorizontalAlignment_Right,    VuoVerticalAlignment_Center
        case 5:
            return renderIconWithLineSegments( right_center, 4 );
 
        // VuoHorizontalAlignment_Left,     VuoVerticalAlignment_Bottom
        case 6:
            return renderIconWithLineSegments( left_bottom, 8 );
        // VuoHorizontalAlignment_Center,   VuoVerticalAlignment_Bottom
        case 7:
            return renderIconWithLineSegments( center_bottom, 8 );
 
        // VuoHorizontalAlignment_Right,    VuoVerticalAlignment_Bottom
        case 8:
            return renderIconWithLineSegments( right_bottom, 8 );
 
        default:
            return renderIconWithLineSegments( left_top, 8 );
    }
}
 
VuoInputEditor * VuoInputEditorAnchorFactory::newInputEditor()
{
    return new VuoInputEditorAnchor();
}
 
int VuoInputEditorAnchor::VuoAnchorToIndex(const VuoAnchor anchor)
{
    int r = VuoAnchor_getVertical(anchor) == VuoVerticalAlignment_Top ? 0 : (VuoAnchor_getVertical(anchor) == VuoVerticalAlignment_Center ? 1 : 2);
    int c = VuoAnchor_getHorizontal(anchor) == VuoHorizontalAlignment_Left ? 0 : (VuoAnchor_getHorizontal(anchor) == VuoHorizontalAlignment_Center ? 1 : 2);
    return r * 3 + c;
}
 
void VuoInputEditorAnchor::setUpDialog(QDialog &dialog, json_object *originalValue, json_object *details)
{
    VuoAnchor curAnchor = originalValue == NULL ? VuoAnchor_make(VuoHorizontalAlignment_Center, VuoVerticalAlignment_Center) : VuoAnchor_makeFromJson(originalValue);
    currentValue = VuoAnchor_getJson(curAnchor);
    int curIndex = VuoAnchorToIndex(curAnchor);
 
    // layout dialog
    QGridLayout* layout = new QGridLayout;
    layout->setContentsMargins(4, 4, 12, 4);
    layout->setSpacing(0);
 
    QSettings* settings = new QSettings();
    bool isDark = settings->value("darkInterface").toBool();
 
    // left top         center top          right top
    // left center      center center       right center
    // left bottom      center bottom       right center
 
    for(int r = 0; r < 3; r++)
    {
        for(int c = 0; c < 3; c++)
        {
            int index = r * 3 + c;
 
            QIcon* icon = iconForAnchorIndex(index);
            matrix[index] = new QPushButton(*icon, "");
            delete icon;
            matrix[index]->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
            matrix[index]->setCheckable(true);
            matrix[index]->setChecked(false);
            matrix[index]->setAutoExclusive(true);
            matrix[index]->setFocusPolicy(Qt::NoFocus);
            matrix[index]->setDown(false);
            matrix[index]->setFlat(true);
            matrix[index]->setContentsMargins(0,0,0,0);
            matrix[index]->setMaximumWidth(24);
            matrix[index]->setMaximumHeight(24);
            matrix[index]->setMinimumWidth(24);
            matrix[index]->setMinimumHeight(24);
            if(isDark)
                matrix[index]->setStyleSheet( "QPushButton:checked { background: #8c8c8c; border: none; outline: none; } QPushButton:pressed { background: #9c9c9c; border: none; outline: none; }" );
            else
                matrix[index]->setStyleSheet( "QPushButton:checked { background: #c0c0c0; border: none; outline: none; } QPushButton:pressed { background: #b0b0b0; border: none; outline: none; }" );
            connect(matrix[index], &QPushButton::released, this, &VuoInputEditorAnchor::onSetAnchor);
            layout->addWidget(matrix[index], r, c);
        }
    }
 
    matrix[curIndex]->setChecked(true);
 
    dialog.setFocusPolicy(Qt::NoFocus);
    dialog.setLayout(layout);
}
 
void VuoInputEditorAnchor::onSetAnchor()
{
    int anchor = 0;
    for (int i = 0; i < 9; ++i)
        if (matrix[i] == sender())
        {
            anchor = i;
            break;
        }
 
    matrix[anchor]->setChecked(true);
    currentValue = VuoAnchor_getJson(ANCHOR_MAP[anchor]);
    char* sum = VuoAnchor_getSummary(ANCHOR_MAP[anchor]);
    free(sum);
    emit valueChanged(currentValue);
}
 
json_object* VuoInputEditorAnchor::getAcceptedValue()
{
    return currentValue;
}