You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
122 lines
2.5 KiB
C++
122 lines
2.5 KiB
C++
#pragma once
|
|
|
|
#include <QPointF>
|
|
#include <QCursor>
|
|
#include "ZxPaintParam.h"
|
|
|
|
#include "ZxEdit.h"
|
|
#include "IxInterface.h"
|
|
#include "iPlotBase_global.h"
|
|
|
|
class QPainter;
|
|
class ZxRenderItem;
|
|
class ZxRenderView;
|
|
class ZxSimpleTool;
|
|
class ZxSceneItem;
|
|
class ZxTool;
|
|
class QUndoCommand;
|
|
class ZxSelection;
|
|
|
|
/// 策略基类
|
|
class I_PLOTBASE_EXPORT ZxPolicy
|
|
: public QObject
|
|
, virtual public IxInterface
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
|
|
ZxPolicy();
|
|
|
|
/// 获取所属的图件
|
|
virtual ZxRenderItem* getItem() const;
|
|
|
|
template<typename T> T getItem() const
|
|
{
|
|
T p = dynamic_cast<T>(getItem());
|
|
Q_ASSERT(p);
|
|
return p;
|
|
}
|
|
|
|
/// 获取所属的Edit
|
|
virtual ZxEdit* getEdit() const;
|
|
|
|
/// 获取所属的Scene
|
|
virtual ZxSceneItem* getScene() const;
|
|
|
|
/// 获取当前工具
|
|
virtual ZxTool* getCurrentTool() const;
|
|
|
|
/// 获取当前视图
|
|
virtual ZxRenderView* getCurrentToolView() const;
|
|
|
|
/// 刷新
|
|
/// @note 相当于 getItem()->update()
|
|
virtual void update();
|
|
|
|
/// 尝试把工具压到当前工具栈中
|
|
/// @note 弹栈用 pTool->detach()
|
|
/// @param pTool 要压栈的工具
|
|
/// @return 成功放回true, 失败返回false.
|
|
bool pushTool(ZxSimpleTool* pTool);
|
|
|
|
/// 工具弹栈
|
|
void popTool(ZxSimpleTool* pTool);
|
|
|
|
/// 键按下
|
|
virtual void onKeyPress(QKeyEvent* event);
|
|
|
|
/// 键抬起
|
|
virtual void onKeyRelease(QKeyEvent* event);
|
|
|
|
/// 运行一个命令. 相当于getScene()->pushCommand()
|
|
virtual bool pushCommand(QUndoCommand* cmd);
|
|
|
|
/// 相当于getScene()->getSelection()
|
|
virtual ZxSelection getSelection();
|
|
|
|
/// 设置静态模式.
|
|
/// @note 静态模式是指在图元被取消选择时不自动删除policy.
|
|
void setStatic(bool bStatic);
|
|
|
|
/// 是否静态模式
|
|
bool isStatic() const;
|
|
|
|
protected:
|
|
|
|
/// 激活
|
|
virtual void onActivate();
|
|
virtual void onDeactivate();
|
|
|
|
/// Edit关联
|
|
virtual void onAddToEdit();
|
|
virtual void onRemoveFromEdit();
|
|
|
|
/// 准备菜单
|
|
virtual void onPrepareContextMenu(QMenu* pMenu, const QPointF& pos);
|
|
|
|
/// Move+Resize
|
|
virtual void onItemMove(const QPointF& ptOld, const QPointF& ptNew);
|
|
virtual void onItemResize(const QSizeF& szOld, const QSizeF& szNew);
|
|
|
|
virtual void onPaint(QPainter* painter, const ZxPaintParam& param);
|
|
|
|
private:
|
|
|
|
void setEdit(ZxEdit* p);
|
|
|
|
private:
|
|
|
|
ZxRenderItem* m_pItem;
|
|
bool m_bStatic : 1;
|
|
|
|
friend class ZxEdit;
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|