bunch of stuff. very basic drag/drop now working

tierrow.cpp

@@ -0,0 +1,198 @@
+#include "tierrow.hpp"
+#include "fullsizelayout.hpp"
+#include "qmimedata.h"
+#include "utils.hpp"
+
+#include <QHBoxLayout>
+
+TierRow::TierRow(IdType id, QWidget *parent)
+    : QWidget{parent}
+{
+    setAcceptDrops(true);
+    auto fadeLayout = new FullSizeLayout();
+    fadeLayout->setSizeConstraint(QLayout::SetMinimumSize);
+    fadeLayout->setContentsMargins(0, 0, 0, 0);
+    fadeLayout->setSpacing(0);
+    bgFadeContainer = new QWidget();
+    bgFadeContainer->setStyleSheet(makeBgColorString(QColor(255,255,255,100)));
+    bgFadeContainer->setMinimumSize(0, 0);
+    fadeLayout->addWidget(bgFadeContainer);
+    this->setLayout(fadeLayout);
+    auto splitLayout = new QHBoxLayout();
+    splitLayout->setSizeConstraint(QLayout::SetMinimumSize);
+    splitLayout->setContentsMargins(0, 0, 0, 0);
+    splitLayout->setSpacing(0);
+    titleCard = new TierRowTitleCard(id);
+    cardContainer = new QWidget();
+    cardContainer->setMinimumSize(0, 0);
+    titleCard->setFixedSize(150, 150);
+    cardContainer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    splitLayout->addWidget(titleCard, 0, Qt::AlignLeft | Qt::AlignTop);
+    splitLayout->addWidget(cardContainer, 1, Qt::AlignTop);
+
+    cardContainer->setStyleSheet(makeBgColorString(QColor(60,60,60,100)));
+
+    bgFadeContainer->setLayout(splitLayout);
+    cardLayout = new FlowLayout();
+    cardLayout->setSizeConstraint(QLayout::SetMinimumSize);
+    cardLayout->setContentsMargins(0, 0, 0, 0);
+    cardLayout->setSpacing(0);
+    cardContainer->setLayout(cardLayout);
+    // setMinimumSize(0, 0);
+}
+
+TierRow::~TierRow()
+{
+    qDebug() << "Row destructor called " << id();
+    if (idMap.erase(id()) == 0)
+    {
+        qDebug() << "Row id not found during destructor";
+    }
+}
+
+void TierRow::addCard(TierCard* card)
+{
+    cardContainer->layout()->addWidget(card);
+}
+// TierCard* TierRow::takeCard(uint32_t id)
+// {
+//     for (auto i : cardContainer->children())
+// }
+void TierRow::setColor(QColor color)
+{
+    _color = color;
+    titleCard->setColor(color);
+    auto str = makeBgColorString(color);
+    setStyleSheet(str);
+}
+QColor TierRow::color()
+{
+    return _color;
+}
+void TierRow::setText(QString text)
+{
+    titleCard->setText(text);
+}
+QString TierRow::text()
+{
+    return titleCard->text();
+}
+uint32_t TierRow::id()
+{
+    return titleCard->id();
+}
+
+void TierRow::resizeEvent(QResizeEvent* event)
+{
+    this->QWidget::resizeEvent(event);
+    recalcMaxHeight();
+}
+
+void TierRow::recalcMaxHeight()
+{
+    setMaximumHeight(cardLayout->totalMinimumHeightForWidth(cardContainer->width()));
+}
+
+TierRow* TierRow::create(QWidget* parent)
+{
+    TierRow* row;
+    for (IdType id = 1;; id++)
+    {
+        if (idMap.find(id) == idMap.end())
+        {
+            row = new TierRow(id, parent);
+            idMap[id] = row;
+            return row;
+        }
+    }
+}
+
+TierRow* TierRow::getFromId(IdType id)
+{
+    auto iter = idMap.find(id);
+    if (iter == idMap.end())
+    {
+        return nullptr;
+    }
+    return iter->second;
+}
+
+void TierRow::dropEvent(QDropEvent *event)
+{
+    qDebug() << "drop event";
+    //card dragged to this row
+    if (event->mimeData()->hasFormat(TierCard::MimeType))
+    {
+        if (event->proposedAction() == Qt::MoveAction)
+        {
+            auto data = event->mimeData()->data(TierCard::MimeType);
+            QDataStream stream(&data, QIODevice::ReadOnly);
+            TierCard::IdType cardId;
+            uint dataLen = 0;
+            stream.readRawData(reinterpret_cast<char*>(&cardId), dataLen);
+            auto card = TierCard::getFromId(cardId);
+            addCard(card);
+            event->acceptProposedAction();
+        }
+        else
+        {
+            event->ignore();
+        }
+    }
+    //image(s) dragged to make new card(s)
+    else if (event->mimeData()->hasImage())
+    {
+
+    }
+}
+
+void TierRow::dragEnterEvent(QDragEnterEvent *event)
+{
+    qDebug() << "drag enter event";
+    if (event->mimeData()->hasFormat(TierCard::MimeType))
+    {
+        if (event->proposedAction() == Qt::MoveAction)
+        {
+            event->setDropAction(Qt::MoveAction);
+            event->accept(cardContainer->rect());
+        }
+        else
+        {
+            event->setDropAction(Qt::MoveAction);
+            event->accept(cardContainer->geometry());
+        }
+    }
+    else if (event->mimeData()->hasImage())
+    {
+        event->setDropAction(Qt::CopyAction);
+        event->accept();
+    }
+    else {
+        event->ignore();
+    }
+}
+
+void TierRow::dragMoveEvent(QDragMoveEvent *event)
+{
+    qDebug() << "drag move event";
+    if (event->mimeData()->hasFormat(TierCard::MimeType))
+    {
+        if (event->proposedAction() == Qt::MoveAction)
+        {
+            event->acceptProposedAction();
+        }
+        else
+        {
+            event->setDropAction(Qt::MoveAction);
+            event->accept(cardContainer->geometry());
+        }
+    }
+    else if (event->mimeData()->hasImage())
+    {
+        event->setDropAction(Qt::CopyAction);
+        event->accept();
+    }
+    else {
+        event->ignore();
+    }
+}