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121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
#pragma once
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#include "FractoriumPch.h"
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/// <summary>
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/// EmberTreeWidgetItem
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/// </summary>
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/// <summary>
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/// A thin derivation of QTreeWidgetItem for a tree of embers in an open file.
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/// The tree is intended to contain one open ember file at a time.
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/// This is a non-templated base for casting purposes.
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/// </summary>
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class EmberTreeWidgetItemBase : public QTreeWidgetItem
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{
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public:
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/// <summary>
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/// Constructor that takes a pointer to a QTreeWidget as a parent widget.
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/// This is meant to be a root level item.
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/// </summary>
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/// <param name="p">The parent widget of this item</param>
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explicit EmberTreeWidgetItemBase(QTreeWidget* p = 0)
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: QTreeWidgetItem(p)
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{
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}
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/// <summary>
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/// Constructor that takes a pointer to a QTreeWidgetItem as a parent widget.
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/// This is meant to be the child of a root level item.
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/// </summary>
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/// <param name="p">The parent widget of this item</param>
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explicit EmberTreeWidgetItemBase(QTreeWidgetItem* p = 0)
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: QTreeWidgetItem(p)
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{
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}
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/// <summary>
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/// Set the preview image for the tree widget item.
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/// </summary>
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/// <param name="v">The vector containing the RGB pixels [0..255] which will make up the preview image</param>
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/// <param name="width">The width of the image in pixels</param>
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/// <param name="height">The height of the image in pixels</param>
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void SetImage(vector<byte>& v, uint width, uint height)
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{
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int size = 64;
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m_Image = QImage(width, height, QImage::Format_RGBA8888);
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memcpy(m_Image.scanLine(0), v.data(), v.size() * sizeof(v[0]));//Memcpy the data in.
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m_Pixmap = QPixmap::fromImage(m_Image).scaled(QSize(size, size), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);//Create a QPixmap out of the QImage, scaled to size.
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setData(0, Qt::DecorationRole, m_Pixmap);
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}
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protected:
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QImage m_Image;
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QPixmap m_Pixmap;
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};
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/// <summary>
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/// A thin derivation of QTreeWidgetItem for a tree of embers in an open file.
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/// The tree is intended to contain one open ember file at a time.
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/// </summary>
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template <typename T>
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class EmberTreeWidgetItem : public EmberTreeWidgetItemBase
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{
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public:
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/// <summary>
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/// Constructor that takes a pointer to an ember and a QTreeWidget as a parent widget.
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/// This is meant to be a root level item.
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/// </summary>
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/// <param name="ember">A pointer to the ember this item will represent</param>
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/// <param name="p">The parent widget of this item</param>
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explicit EmberTreeWidgetItem(Ember<T>* ember, QTreeWidget* p = 0)
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: EmberTreeWidgetItemBase(p)
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{
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m_Ember = ember;
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}
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/// <summary>
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/// Constructor that takes a pointer to an ember and a QTreeWidgetItem as a parent widget.
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/// This is meant to be the child of a root level item.
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/// </summary>
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/// <param name="ember">A pointer to the ember this item will represent</param>
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/// <param name="p">The parent widget of this item</param>
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explicit EmberTreeWidgetItem(Ember<T>* ember, QTreeWidgetItem* p = 0)
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: EmberTreeWidgetItemBase(p)
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{
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m_Ember = ember;
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}
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/// <summary>
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/// Copy the text of the tree item to the name of the ember.
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/// </summary>
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void UpdateEmberName() { m_Ember->m_Name = text(0).toStdString(); }
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/// <summary>
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/// Set the text of the tree item.
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/// </summary>
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void UpdateEditText() { setText(0, QString::fromStdString(m_Ember->m_Name)); }
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/// <summary>
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/// Get a pointer to the ember held by the tree item.
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/// </summary>
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Ember<T>* GetEmber() const { return m_Ember; }
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/// <summary>
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/// Perform a deep copy from the passed in ember to the dereferenced
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/// ember pointer of the tree item.
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/// </summary>
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/// <param name="ember">The ember to copy</param>
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void SetEmber(Ember<T>& ember) { *m_Ember = ember; }
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/// <summary>
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/// Set the ember pointer member to point to the passed in ember pointer.
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/// </summary>
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/// <param name="ember">The ember to point to</param>
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void SetEmberPointer(Ember<T>* ember) { m_Ember = ember; }
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private:
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Ember<T>* m_Ember;
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};
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