hi , all.

my Widget use flowlayout (Qt example) and QWebView.

but When the window display , size out of control.

I don't know what happened.

print "setGeometryDp: Unable to set geometry 727x262+356+299 on QWidgetWindow/'WidgetWindow'. Resulting geometry: 727x662+356+299 (frame: 8, 30, 8, 8, custom margin: 0, 0, 0, 0, minimum size: 40x62, maximum size: 16777215x16777215)."

w_mailview.h
Qt Code: 
  1. #ifndef W_MAILVIEW_H
  2. #define W_MAILVIEW_H
  3.  
  4. #include <QWidget>
  5. #include <QVBoxLayout>
  6. #include <QHBoxLayout>
  7. #include <QWebView>
  8. #include "qflowlayout.h"
  9.  
  10. class W_MailAddress;
  11. class W_MailView_Details;
  12.  
  13. class W_MailView : public QWidget
  14. {
  15.     Q_OBJECT
  16. public:
  17.     explicit W_MailView(QWidget *parent = 0);
  18.     ~W_MailView();
  19.     void initUI();
  20. private:
  21.     QVBoxLayout * m_vbLayoutMain;
  22.     W_MailView_Details * m_wgt_details;
  23.     QWebView * m_wv_mail;
  24.  
  25. };
  26.  
  27. class W_MailView_Details : public QWidget{
  28.     Q_OBJECT
  29. public:
  30.     explicit W_MailView_Details(QWidget * parent = 0);
  31.     ~W_MailView_Details();
  32.  
  33.     void initUI();
  34.     void init();
  35.  
  36. private:
  37.     bool m_bInit;
  38.     QVBoxLayout * m_vbLayoutDetailsMain;
  39.     W_MailAddress * m_wgtAddress_recipient;
  40.  
  41. };
  42.  
  43. class W_MailAddress : public QWidget{
  44.     Q_OBJECT
  45. public:
  46.     explicit W_MailAddress(QWidget * parent = 0);
  47.     ~W_MailAddress();
  48. private:
  49.     QFlowLayout * m_flowlayout;
  50. };
  51.  
  52. #endif // W_MAILVIEW_H
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this is w_mailview.cpp
Qt Code: 
  1. #include "w_mailview.h"
  2. W_MailView::W_MailView(QWidget *parent) : QWidget(parent)
  3. {
  4.     m_vbLayoutMain = new QVBoxLayout();
  5.     this->setLayout(m_vbLayoutMain);
  6.     m_vbLayoutMain->setContentsMargins(0,0,0,0);
  7.     m_vbLayoutMain->setSpacing(0);
  8.     initUI();
  9. }
  10.  
  11. W_MailView::~W_MailView(){
  12.  
  13. }
  14.  
  15. void W_MailView::initUI(){
  16.     m_wgt_details = new W_MailView_Details(this);
  17.     m_wgt_details->init();
  18.     m_wgt_details->setMaximumHeight(40);
  19.     m_wgt_details->setMinimumHeight(40);
  20.     m_vbLayoutMain->addWidget(m_wgt_details);
  21.  
  22.     m_wv_mail = new QWebView(this);//if QWebView replace with QWidget , normal
  23.     m_vbLayoutMain->addWidget(m_wv_mail);
  24. }
  25.  
  26. W_MailView_Details::W_MailView_Details(QWidget *parent){
  27.     m_bInit = false;
  28. }
  29.  
  30. W_MailView_Details::~W_MailView_Details(){
  31.  
  32. }
  33.  
  34. void W_MailView_Details::init(){
  35.     initUI();
  36. }
  37.  
  38. void W_MailView_Details::initUI(){
  39.     m_vbLayoutDetailsMain = new QVBoxLayout(this);
  40.     m_wgtAddress_recipient = new W_MailAddress(this);
  41.     m_vbLayoutDetailsMain->addWidget(m_wgtAddress_recipient);
  42.  
  43.     //设置背景ffffff
  44.     QPalette pal(this->palette());
  45.     pal.setColor(QPalette::Background,QColor("#ffffff"));
  46.     this->setAutoFillBackground(true);
  47.     this->setPalette(pal);
  48. }
  49.  
  50. ///////////////////////////////////////////
  51. /// \brief The W_MailAddress class
  52. ///
  53. W_MailAddress::W_MailAddress(QWidget *parent)
  54.     :QWidget(parent)
  55. {
  56.     m_flowlayout = new QFlowLayout;
  57.     m_flowlayout->setContentsMargins(0,0,0,0);
  58.     m_flowlayout->setSpacing(0);
  59.     this->setLayout(m_flowlayout);//if unuse flowlayout , normal
  60. }
  61.  
  62. W_MailAddress::~W_MailAddress(){
  63.     if(m_flowlayout)
  64.         delete m_flowlayout;
  65.     m_flowlayout = NULL;
  66. }
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