DiagramDesigner/diagramCavas/source/diagramEditor/editPanel.cpp

#include <QVBoxLayout>
#include <QGraphicsWidget>
#include <QGraphicsGridLayout>
#include <QPushButton>
#include <QGraphicsProxyWidget>
#include "diagramEditor/editPanel.h"
#include "diagramEditor/editScene.h"
#include "diagramEditor/editView.h"
#include "diagramEditor/editRowData.h"
#include "diagramEditor/editMainRect.h"
#include "diagramEditor/editBlock.h"
#include "global.h"
#include <QDebug>

EditPanel::EditPanel(QWidget *parent)
    : QWidget(parent)
{
    _maxWidth = 0;
    _maxHeight = 0;
    _layout = new QVBoxLayout(this);
    m_pEditScene = new EditScene(this);
    //设置场景大小.前两个参数为scene的坐标远点，设置到view的中心点后，无论view如何缩放，secne的坐标原点都不会动，方便后续的位置计算
    //m_pEditScene->setSceneRect(-g_dGriaphicsScene_Width / 2, -g_dGriaphicsScene_Height / 2, g_dGriaphicsScene_Width, g_dGriaphicsScene_Height);
    m_pEditScene->setSceneRect(0, 0, g_dGriaphicsScene_Width*4, g_dGriaphicsScene_Height*4);

    m_pEditView = new EditView(this);
    m_pEditView->setScene(m_pEditScene);
    _layout->addWidget(m_pEditView);
    initial();
    setStyleSheet("backGround-color:rgb(112,128,144);");
}

EditPanel::~EditPanel()
{

}

void EditPanel::initByWizardInfo()
{
    _widgetLayout->addStretch();
}

void EditPanel::onWidthChanged(int width)
{
    if(_maxWidth < width)
    {
        _maxWidth = width;
        int x = _mainWidget->geometry().width();
        int y = _mainWidget->geometry().y();
        _mainWidget->setGeometry(x,y,_maxWidth,_maxHeight);
        m_pEditScene->setSceneRect(x,y,_maxWidth,_maxHeight);
        m_pEditView->viewport()->update();
        //qDebug()<<m_pEditScene->sceneRect();
    }
}

void EditPanel::initial()
{
    _mainWidget = new EditMainRect;
    _widgetLayout = new QGraphicsLinearLayout(Qt::Vertical);
    _widgetLayout->setSpacing(6);
    _mainWidget->setLayout(_widgetLayout);
    m_pEditScene->addItem(_mainWidget);
    _mainWidget->setGeometry(m_pEditScene->sceneRect());
    _maxWidth = _mainWidget->rect().width();
    _maxHeight = _mainWidget->rect().height();
    m_pEditView->centerOn(0,0);
}