关键词:
本文将记录实现给每个视图增加按钮和文字提示。
文章目录
1 增加按钮、增打开文档提示
今天又来更新文档了,今天这个四视图中又增加了点东西,今天这篇是添上上篇的坑的。三个按钮终于实现了。在实现三个按钮的情况下,还给他增加了一个打开文件夹的提示,不过这英文用的好像是不咋对,凑乎看吧,如下图:
还记得在上上片文中中增加按钮失败那,哪里使用了QVTKOpenGLWidget
,死活都没法实现,我个人感觉应该是因为布局的问题。这次再升级VTK9.0.3后,使用了QVTKOpenGLNativeWidget
实现了这个功能。
2 自定义模块"VTKRenderWidget"
这里我自己定义了模块VTKRenderWidget
,包含一个QVTKOpenGLNativeWidget
和三个QPushbutton
,如下图所示
2.1 vtkrenderwidget.h
#ifndef VTKRENDERWIDGET_H
#define VTKRENDERWIDGET_H
/***********Qt*******************/
#include <QWidget>
#include <QMouseEvent>
#include <QPainter>
#include <QPaintEvent>
#include <QPen>
#include <QColor>
#include <QMenu>
#include <QAction>
#include <QLabel>
#include <QResizeEvent>
/***********VTK*******************/
#include "vtkRenderWindow.h"
#include "QVTKInteractor.h"
#include "myqvtkopenglnativewidget.h"
namespace Ui
class VTKRenderWidget;
class VTKRenderWidget : public QWidget
Q_OBJECT
public:
explicit VTKRenderWidget(QWidget *parent = nullptr);
~VTKRenderWidget();
/**
* @brief set_BackGroundColor
* 设置背景颜色 RGBA
* @param r
* @param g
* @param b
* @param a
*/
void set_BackGroundColor(int r=0,int g=0,int b = 0,int a = 255);
void set_OpenFolderEnable(bool enable = false);
//------------------------------------------------------------------------------------
vtkRenderWindow* renderWindow() const;
QVTKInteractor* interactor() const;
void setRenderWindow(vtkGenericOpenGLRenderWindow* win);
void setRenderWindow(vtkRenderWindow* win);
signals:
void signal_mouseDoubleClicked();
private:
void paintEvent(QPaintEvent *event);
void resizeEvent(QResizeEvent *event);
private:
Ui::VTKRenderWidget *ui;
QColor m_BackGroundColor = QColor(255,255,0,255); //背景颜色
QLabel *m_OpenFolderText = nullptr; //打开文件夹提示
QMenu *m_Menu_1 = nullptr;
QAction *test = nullptr;
QAction *test1 = nullptr;
;
#endif // VTKRENDERWIDGET_H
2.2 vtkrenderwidget.cpp
#include "vtkrenderwidget.h"
#include "ui_vtkrenderwidget.h"
VTKRenderWidget::VTKRenderWidget(QWidget *parent) :
QWidget(parent),
ui(new Ui::VTKRenderWidget)
ui->setupUi(this);
connect(ui->openGLWidget,&MyQVTKOpenGLNativeWidget::signal_mouseDoubleClicked,this,[=]()emit signal_mouseDoubleClicked(););
m_OpenFolderText = new QLabel(this);
m_OpenFolderText->setText("Open Folder!");
m_OpenFolderText->setStyleSheet("QLabelcolor: rgb(136, 136, 136);QLabelfont: 24pt '黑体';");
m_OpenFolderText->raise();
m_Menu_1 = new QMenu(this);
test = new QAction(m_Menu_1);
test->setText("ABC");
test->setCheckable(true);
test1 = new QAction(m_Menu_1);
test1->setText("EFG");
test1->setCheckable(true);
m_Menu_1->addAction(test);
m_Menu_1->addAction(test1);
ui->pushButton_1->setMenu(m_Menu_1);
ui->pushButton_2->setMenu(m_Menu_1);
ui->pushButton_3->setMenu(m_Menu_1);
ui->pushButton_1->setStyleSheet("QPushButton::menu-indicatorimage:none;" //不显示下拉图标
"QPushButtonborder-image:url(:/ImageManage/Images/ImageManage/btn_n_1.png);"
"QPushButton:hoverborder-image:url(:/ImageManage/Images/ImageManage/btn_p_1.png);"
"QPushButton:pressedborder-image:url(:/ImageManage/Images/ImageManage/btn_n_1.png);");
ui->pushButton_2->setStyleSheet("QPushButton::menu-indicatorimage:none;" //不显示下拉图标
"QPushButtonborder-image:url(:/ImageManage/Images/ImageManage/btn_n_2.png);"
"QPushButton:hoverborder-image:url(:/ImageManage/Images/ImageManage/btn_p_2.png);"
"QPushButton:pressedborder-image:url(:/ImageManage/Images/ImageManage/btn_n_2.png);");
ui->pushButton_3->setStyleSheet("QPushButton::menu-indicatorimage:none;" //不显示下拉图标
"QPushButtonborder-image:url(:/ImageManage/Images/ImageManage/btn_n_3.png);"
"QPushButton:hoverborder-image:url(:/ImageManage/Images/ImageManage/btn_p_3.png);"
"QPushButton:pressedborder-image:url(:/ImageManage/Images/ImageManage/btn_n_3.png);");
VTKRenderWidget::~VTKRenderWidget()
delete ui;
void VTKRenderWidget::set_BackGroundColor(int r, int g, int b, int a)
m_BackGroundColor.setRgb(r,g,b,a);
this->update();
void VTKRenderWidget::set_OpenFolderEnable(bool enable)
if(enable)
m_OpenFolderText->show();
else
m_OpenFolderText->hide();
vtkRenderWindow *VTKRenderWidget::renderWindow() const
if(ui->openGLWidget)
return ui->openGLWidget->renderWindow();
return nullptr;
QVTKInteractor *VTKRenderWidget::interactor() const
if(ui->openGLWidget)
return ui->openGLWidget->interactor();
else
return nullptr;
void VTKRenderWidget::setRenderWindow(vtkGenericOpenGLRenderWindow *win)
if(ui->openGLWidget)
ui->openGLWidget->setRenderWindow(win);
void VTKRenderWidget::setRenderWindow(vtkRenderWindow *win)
if(ui->openGLWidget)
ui->openGLWidget->setRenderWindow(win);
void VTKRenderWidget::paintEvent(QPaintEvent *event)
Q_UNUSED(event);
QPainter p(this);
p.setPen(Qt::NoPen);
p.setBrush(m_BackGroundColor);
p.drawRect(rect());
void VTKRenderWidget::resizeEvent(QResizeEvent *event)
Q_UNUSED(event)
ui->openGLWidget->move(2,2);
ui->openGLWidget->resize(this->width()-4,this->height()-4);
ui->pushButton_1->move(this->width()-ui->pushButton_1->width()-7,7);
ui->pushButton_2->move(this->width()-ui->pushButton_1->width()*2-12,7);
ui->pushButton_3->move(this->width()-ui->pushButton_1->width()*3-17,7);
m_OpenFolderText->move((this->width()-m_OpenFolderText->width())/2,(this->height()-m_OpenFolderText->height())/2);
m_OpenFolderText->raise();
在我的这自定义模块中,还使用了自己定义的QVTKOpenGLNativeWidget
名字为MyQVTKOpenGLNativeWidget
.
3 重写模块“QVTKOpenGLNativeWidget”
其实目前来看,这个类和原生基础的QVTKOpenGLNativeWidget
没有太多区别。目前只是增加了鼠标双击事件。
3.1 myqvtkopenglnativewidget.h
#ifndef MYQVTKOPENGLNATIVEWIDGET_H
#define MYQVTKOPENGLNATIVEWIDGET_H
#include <QObject>
#include <QOpenGLWidget>
#include <QScopedPointer> // for QScopedPointer.
#include <QMouseEvent>
#include "QVTKInteractor.h" // needed for QVTKInteractor
#include "vtkGUISupportQtModule.h" // for export macro
#include "vtkNew.h" // needed for vtkNew
#include "vtkSmartPointer.h" // needed for vtkSmartPointer
class QVTKInteractor;
class QVTKInteractorAdapter;
class QVTKRenderWindowAdapter;
class vtkGenericOpenGLRenderWindow;
class MyQVTKOpenGLNativeWidget : public QOpenGLWidget
Q_OBJECT
typedef QOpenGLWidget Superclass;
public:
MyQVTKOpenGLNativeWidget(QWidget* parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
MyQVTKOpenGLNativeWidget(vtkGenericOpenGLRenderWindow* window, QWidget* parent = nullptr,
Qt::WindowFlags f = Qt::WindowFlags());
~MyQVTKOpenGLNativeWidget() override;
void setRenderWindow(vtkGenericOpenGLRenderWindow* win);
void setRenderWindow(vtkRenderWindow* win);
vtkRenderWindow* renderWindow() const;
QVTKInteractor* interactor() const;
static QSurfaceFormat defaultFormat(bool stereo_capable = false);
void setEnableHiDPI(bool enable);
bool enableHiDPI() const return this->EnableHiDPI;
void setUnscaledDPI(int dpi);
int unscaledDPI() const return this->UnscaledDPI;
void setDefaultCursor(const QCursor& cursor);
const QCursor& defaultCursor() const return this->DefaultCursor;
VTK_LEGACY(void SetRenderWindow(vtkGenericOpenGLRenderWindow* win));
VTK_LEGACY(void SetRenderWindow(vtkRenderWindow* win));
VTK_LEGACY(vtkRenderWindow* GetRenderWindow());
VTK_LEGACY(QVTKInteractor* GetInteractor());
VTK_LEGACY(QVTKInteractorAdapter* GetInteractorAdapter());
VTK_LEGACY(void setQVTKCursor(const QCursor& cursor));
VTK_LEGACY(void setDefaultQVTKCursor(const QCursor& cursor));
signals:
void signal_mouseDoubleClicked();
protected slots:
virtual void cleanupContext();
void updateSize();
protected:
bool event(QEvent* evt) override;
void initializeGL() override;
void paintGL() override;
void mouseDoubleClickEvent(QMouseEvent *event)override;
protected:
vtkSmartPointer<vtkGenericOpenGLRenderWindow> RenderWindow;
QScopedPointer<QVTKRenderWindowAdapter> RenderWindowAdapter;
private:
Q_DISABLE_COPY(MyQVTKOpenGLNativeWidget);
bool EnableHiDPI;
int UnscaledDPI;
QCursor DefaultCursor;
;
#endif // MYQVTKOPENGLNATIVEWIDGET_H
3.2 myqvtkopenglnativewidget.cpp
#include "myqvtkopenglnativewidget.h"
#include <QApplication>
#include <QDesktopWidget>
#include <QOpenGLContext>
#include <QOpenGLFramebufferObject>
#include <QOpenGLFunctions>
#include <QOpenGLFunctions_3_2_Core>
#include <QOpenGLTexture>
#include <QPointer>
#include <QScopedValueRollback>
#include <QSize>
#include <QtDebug>
#include "QVTKInteractor.h"
#include "QVTKInteractorAdapter.h"
#include "QVTKRenderWindowAdapter.h"
#include "vtkCommand.h"
#include "vtkGenericOpenGLRenderWindow.h"
#include "vtkInteractorStyleTrackballCamera.h"
#include "vtkNew.h"
#include "vtkObjectFactory.h"
#include "vtkOpenGLState.h"
MyQVTKOpenGLNativeWidget::MyQVTKOpenGLNativeWidget(QWidget* parentWdg, Qt::WindowFlags f) : MyQVTKOpenGLNativeWidget(vtkSmartPointer<vtkGenericOpenGLRenderWindow>::New().GetPointer(), parentWdg, f)
MyQVTKOpenGLNativeWidget::MyQVTKOpenGLNativeWidget(vtkGenericOpenGLRenderWindow* renderWin, QWidget* parentWdg, Qt::WindowFlags f): Superclass(parentWdg, f)
, RenderWindow(nullptr)
, RenderWindowAdapter(nullptr)
, EnableHiDPI(true)
, UnscaledDPI(72)
, DefaultCursor(QCursor(Qt::ArrowCursor))
this->setFocusPolicy(Qt::StrongFocus);
this->setUpdateBehavior(QOpenGLWidget::NoPartialUpdate);
this->setMouseTracking(true);
this->connect(this, SIGNAL(resized()), SLOT(updateSize()));
this->setRenderWindow(renderWin);
this->grabGesture(Qt::PinchGesture);
this->grabGesture(Qt::PanGesture);
this->grabGesture(Qt::TapGesture);
this->grabGesture(Qt::TapAndHoldGesture);
this->grabGesture(Qt::SwipeGesture);
MyQVTKOpenGLNativeWidget::~MyQVTKOpenGLNativeWidget()
this->makeCurrent();
this->cleanupContext();
void MyQVTKOpenGLNativeWidget::setRenderWindow(vtkGenericOpenGLRenderWindow *win)
if (this->RenderWindow == win)
return;
if (this->RenderWindowAdapter)
this->makeCurrent();
this->RenderWindowAdapter.reset(nullptr);
this->RenderWindow = win;
if (this->RenderWindow)
this->RenderWindow->SetReadyForRendering(false);
if (!this->RenderWindow->GetInteractor())
vtkNew<QVTKInteractor> iren;
this->RenderWindow->SetInteractor(iren);
iren->Initialize();
vtkNew<vtkInteractorStyleTrackballCamera> style;
iren->SetInteractorStyle(style);
if (this->isValid())
this->makeCurrent();
this->initializeGL();
this->updateSize();
void MyQVTKOpenGLNativeWidget::setRenderWindow(vtkRenderWindow *win)
auto gwin = vtkGenericOpenGLRenderWindow::SafeDownCast(win);
if (win != nullptr && gwin == nullptr)
qDebug() << "QVTKOpenGLNativeWidget requires a `vtkGenericOpenGLRenderWindow`. `"
<< win->GetClassName() << "` is not supported.";
this->setRenderWindow(gwin);
vtkRenderWindow *MyQVTKOpenGLNativeWidget::renderWindow() const
return this->RenderWindow;
QVTKInteractor *MyQVTKOpenGLNativeWidget::interactor() const
return this->RenderWindow ? QVTKInteractor::SafeDownCast(this->RenderWindow->GetInteractor()) : nullptr;
QSurfaceFormat MyQVTKOpenGLNativeWidget::defaultFormat(bool stereo_capable)
return QVTKRenderWindowAdapter::defaultFormat(stereo_capable);
void MyQVTKOpenGLNativeWidget::setEnableHiDPI(bool enable)
this->EnableHiDPI = enable;
if (this->RenderWindowAdapter)
this->RenderWindowAdapter->setEnableHiDPI(enable);
void MyQVTKOpenGLNativeWidget::setUnscaledDPI(int dpi)
this->UnscaledDPI = dpi;
if (this->RenderWindowAdapter)
this->RenderWindowAdapter->setUnscaledDPI(dpi);
void MyQVTKOpenGLNativeWidget::setDefaultCursor(const QCursor &cursor)
this->DefaultCursor = cursor;
if (this->RenderWindowAdapter)
this->RenderWindowAdapter->setDefaultCursor(cursor);
void MyQVTKOpenGLNativeWidget::cleanupContext()
this->RenderWindowAdapter.reset(nullptr);
void MyQVTKOpenGLNativeWidget::updateSize()
if (this->RenderWindowAdapter)
this->RenderWindowAdapter->resize(this->width(), this->height());
bool MyQVTKOpenGLNativeWidget::event(QEvent *evt)
if (this->RenderWindowAdapter)
this->RenderWindowAdapter->handleEvent(evt);
return this->Superclass::event(evt);
void MyQVTKOpenGLNativeWidget::initializeGL()
this->Superclass::initializeGL();
if (this->RenderWindow)
Q_ASSERT(this->RenderWindowAdapter.data() == nullptr);
this->RenderWindowAdapter.reset(new QVTKRenderWindowAdapter(this->context(), this->RenderWindow, this));
this->RenderWindowAdapter->setDefaultCursor(this->defaultCursor());
this->RenderWindowAdapter->setEnableHiDPI(this->EnableHiDPI);
this->RenderWindowAdapter->setUnscaledDPI(this->UnscaledDPI);
this->connect(this->context(), SIGNAL(aboutToBeDestroyed()), SLOT(cleanupContext()),static_cast<Qt::ConnectionType>(Qt::UniqueConnection | Qt::DirectConnection));
void MyQVTKOpenGLNativeWidget::paintGL()
this->Superclass::paintGL();
if (this->RenderWindow)
Q_ASSERT(this->RenderWindowAdapter);
this->RenderWindowAdapter->paint();
this->makeCurrent();
QOpenGLFunctions_3_2_Core* f = QOpenGLContext::currentContext()->versionFunctions<QOpenGLFunctions_3_2_Core>();
if (f)
const QSize deviceSize = this->size() * this->devicePixelRatioF();
this->RenderWindowAdapter->blit(this->defaultFramebufferObject(), GL_COLOR_ATTACHMENT0, QRect(QPoint(0, 0), deviceSize));
else
QOpenGLFunctions* f = QOpenGLContext::currentContext()->functions();
f->glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
f->glClear(GL_COLOR_BUFFER_BIT);
void MyQVTKOpenGLNativeWidget::mouseDoubleClickEvent(QMouseEvent *event)
Q_UNUSED(event);
emit signal_mouseDoubleClicked();
//-----------------------------------------------------------------------------
#if !defined(VTK_LEGACY_REMOVE)
void MyQVTKOpenGLNativeWidget::SetRenderWindow(vtkRenderWindow* win)
VTK_LEGACY_REPLACED_BODY(
QVTKOpenGLNativeWidget::SetRenderWindow, "VTK 9.0", QVTKOpenGLNativeWidget::setRenderWindow);
vtkGenericOpenGLRenderWindow* gwin = vtkGenericOpenGLRenderWindow::SafeDownCast(win);
if (gwin == nullptr && win != nullptr)
qDebug() << "QVTKOpenGLNativeWidget requires a `vtkGenericOpenGLRenderWindow`. `"
<< win->GetClassName() << "` is not supported.";
this->setRenderWindow(gwin);
#endif
//-----------------------------------------------------------------------------
#if !defined(VTK_LEGACY_REMOVE)
void MyQVTKOpenGLNativeWidget::SetRenderWindow(vtkGenericOpenGLRenderWindow* win)
VTK_LEGACY_REPLACED_BODY(
QVTKOpenGLNativeWidget::SetRenderWindow, "VTK 9.0", QVTKOpenGLNativeWidget::setRenderWindow);
this->setRenderWindow(win);
#endif
//-----------------------------------------------------------------------------
#if !defined(VTK_LEGACY_REMOVE)
vtkRenderWindow* MyQVTKOpenGLNativeWidget::GetRenderWindow()
VTK_LEGACY_REPLACED_BODY(
QVTKOpenGLNativeWidget::GetRenderWindow, "VTK 9.0", QVTKOpenGLNativeWidget::renderWindow);
return this->renderWindow();
#endif
//-----------------------------------------------------------------------------
#if !defined(VTK_LEGACY_REMOVE)
QVTKInteractorAdapter* MyQVTKOpenGLNativeWidget::GetInteractorAdapter()
VTK_LEGACY_BODY(QVTKOpenGLNativeWidget::GetInteractorAdapter, "VTK 9.0");
return nullptr;
#endif
//-----------------------------------------------------------------------------
#if !defined(VTK_LEGACY_REMOVE)
QVTKInteractor* MyQVTKOpenGLNativeWidget::GetInteractor()
VTK_LEGACY_REPLACED_BODY(
QVTKOpenGLNativeWidget::GetInteractor, "VTK 9.0", QVTKOpenGLNativeWidget::interactor);
return this->interactor();
#endif
//-----------------------------------------------------------------------------
#if !defined(VTK_LEGACY_REMOVE)
void MyQVTKOpenGLNativeWidget::setQVTKCursor(const QCursor& cursor)
VTK_LEGACY_REPLACED_BODY(
QVTKOpenGLNativeWidget::setQVTKCursor, "VTK 9.0", QVTKOpenGLNativeWidget::setCursor);
this->setCursor(cursor);
#endif
//-----------------------------------------------------------------------------
#if !defined(VTK_LEGACY_REMOVE)
void MyQVTKOpenGLNativeWidget::setDefaultQVTKCursor(const QCursor& cursor)
VTK_LEGACY_REPLACED_BODY(QVTKOpenGLNativeWidget::setDefaultQVTKCursor, "VTK 9.0",
QVTKOpenGLNativeWidget::setDefaultCursor);
this->setDefaultCursor(cursor);
#endif
☞ 源码
源码链接:https://github.com/DreamLife-Jianwei/Qt-Vtk
使用方法:☟☟☟
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