c/c++语言开发共享Qt模仿Visual Studio停靠窗口效果

#pragma once  #include <qwidget>  #include <qpaintevent>  #include "qwhdockwidget.h"  class qmainwindow;  class qtabwidget;  class qdockwidget;  class qsplitter;  class qwhtabwidgetmask : public qwidget  {  	q_object  public:  	enum area  	{  		none,top, right, bottom, left, topmore, rightmore, bottommore, leftmore, center, topmost, rightmost, bottommost, leftmost  	};  	qwhtabwidgetmask();  	~qwhtabwidgetmask();  	static qwhtabwidgetmask *getinstance();  	// 设置程序主窗口  	void setmainwindow(qmainwindow *mainwindow);  	// 创建停靠窗口  	qwhdockwidget *createdockwidget(qwhdockwidget::areamode areamode, const qstring &windowtitle = "");  	// 创建分裂器（水平分裂）  	qsplitter *createsplitter();  	// 创建分裂器（由参数orientation决定分裂方向）  	qsplitter *createsplitter(qt::orientation orientation);  	// 设置程序主分裂器  	void setmainsplitter(qsplitter *splitter);  	// 设置目标窗口（接收方）  	void settargetwidget(qtabwidget *widget);  	// 设置当前页索引（鼠标移入当前页 或 鼠标移入中心方向标）  	void setcurtabindex(int index);  	// 设置鼠标按下的停靠窗口（准备移动的窗口）  	void setmousepressed(qwhdockwidget *movedockwidget);  	// 设置鼠标释放  	void setmousereleased();  	// 获取停靠窗口推荐最小尺寸  	qsize minimumsizehint() const override;  	// 获取鼠标按下的停靠窗口（准备移动或正在移动的窗口）  	qdockwidget *movedockwidget();  	// 获取程序主分裂器  	qsplitter *mainsplitter();  	// 获取程序主窗口  	qmainwindow *mainwindow();  protected:  	void paintevent(qpaintevent *event);  private:  	// 获取指定索引的边界路径  	qpainterpath tabwidgetborderpath(qtabwidget *tabwidget, int tabindex);  	// 绘制主停靠窗口的指示器  	void drawmaindockindicator();  	// 绘制次停靠窗口的指示器  	void drawminordockindicator();  	// 检查鼠标所在方向标区域  	area checkarea(qpoint globalpos);  signals:  	// 创建停靠窗口  	void dockwidgetadded(qwhdockwidget *newdockwidget);  private:  	qmainwindow *m_mainwindow;  	qsplitter *m_mainsplitter;  	qwhdockwidget *m_movedockwidget;  	qtabwidget *m_targetwidget;  	qlist<qwhdockwidget *> m_listdockwidgets;  	int m_tabindex;  	qcolor m_bordercolor;  	qcolor m_bgcolor;  	qrect m_centerrect;	// 中心矩形  	qrect m_toprect, m_rightrect, m_bottomrect, m_leftrect;	// 四个方位矩形（紧挨着中心矩形）  	qrect m_topmorerect, m_rightmorerect, m_bottommorerect, m_leftmorerect;	// 更加靠边四个方位矩形（紧挨着四个方位矩形）  	qrect m_topmostrect, m_rightmostrect, m_bottommostrect, m_leftmostrect;	// 最靠边四个方向矩形（紧挨着主窗口四边）  	qpixmap m_centerpixmap;  	qpixmap m_toppixmap, m_rightpixmap, m_bottompixmap, m_leftpixmap;  	qpixmap m_topmostpixmap, m_rightmostpixmap, m_bottommostpixmap, m_leftmostpixmap;  	qpixmap m_centerpixmaphover;  	qpixmap m_toppixmaphover, m_rightpixmaphover, m_bottompixmaphover, m_leftpixmaphover;  	qpixmap m_topmostpixmaphover, m_rightmostpixmaphover, m_bottommostpixmaphover, m_leftmostpixmaphover;  };

testvswindow::testvswindow(qwidget *parent)      : qmainwindow(parent)  {      ui.setupui(this);  	qwhtabwidgetmask::getinstance()->setmainwindow(this);  	  	// 测试左侧停靠窗体  	qwhdockwidget *dockwidget = qwhtabwidgetmask::getinstance()->createdockwidget(qwhdockwidget::mode_minor, "总tab");  	qsplitter *splitter = qwhtabwidgetmask::getinstance()->createsplitter();  	splitter->addwidget(dockwidget);  	dockwidget->setfloating(false);  	  	qwidget *widget1 = new qwidget();  	widget1->setminimumsize(200, 100);  	widget1->setstylesheet("background-color: green;");  	dockwidget->tabwidget()->addtab(widget1, "第一页");  	qwidget *widget2 = new qwidget();  	widget2->setminimumsize(200, 100);  	widget2->setstylesheet("background-color: green;");  	dockwidget->tabwidget()->addtab(widget2, "第二页");  	qwidget *widget3 = new qwidget();  	widget3->setminimumsize(200, 100);  	widget3->setstylesheet("background-color: green;");  	dockwidget->tabwidget()->addtab(widget3, "第三页");  	// 测试中间停靠窗体  	qwhdockwidget *dockwidgetcenter = qwhtabwidgetmask::getinstance()->createdockwidget(qwhdockwidget::mode_main, "总tabcenter");  	splitter->addwidget(dockwidgetcenter);  	dockwidgetcenter->setfloating(false);  	  	qwidget *widgetcenter1 = new qwidget();  	widgetcenter1->setminimumsize(200, 100);  	widgetcenter1->setstylesheet("background-color: rgb(255, 174, 201);");  	dockwidgetcenter->tabwidget()->addtab(widgetcenter1, "第一页center");  	qwidget *widgetcenter2 = new qwidget();  	widgetcenter2->setminimumsize(200, 100);  	widgetcenter2->setstylesheet("background-color: rgb(255, 174, 201);");  	dockwidgetcenter->tabwidget()->addtab(widgetcenter2, "第二页center");  	qwidget *widgetcenter3 = new qwidget();  	widgetcenter3->setminimumsize(200, 100);  	widgetcenter3->setstylesheet("background-color: rgb(255, 174, 201);");  	dockwidgetcenter->tabwidget()->addtab(widgetcenter3, "第三页center");  	// 测试右侧停靠窗体  	qwhdockwidget *dockwidget2 = qwhtabwidgetmask::getinstance()->createdockwidget(qwhdockwidget::mode_minor, "总tab2");  	splitter->addwidget(dockwidget2);  	dockwidget2->setfloating(false);  	qwidget *widget12 = new qwidget();  	widget12->setminimumsize(200, 100);  	widget12->setstylesheet("background-color: gray;");  	dockwidget2->tabwidget()->addtab(widget12, "第一页2");  	qwidget *widget22 = new qwidget();  	widget22->setminimumsize(200, 100);  	widget22->setstylesheet("background-color: gray;");  	dockwidget2->tabwidget()->addtab(widget22, "第二页2");  	qwidget *widget32 = new qwidget();  	widget32->setminimumsize(200, 100);  	widget32->setstylesheet("background-color: gray;");  	dockwidget2->tabwidget()->addtab(widget32, "第三页2");  	qwhtabwidgetmask::getinstance()->setmainsplitter(splitter);  }