373 lines
11 KiB
C++
373 lines
11 KiB
C++
/**
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* @file PaiMessageBox.cpp
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* @brief 实现自定义的MessageBox对话框
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* @date 2012-03-06
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*/
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#include <QLabel>
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#include <QHBoxLayout>
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#include <QSizePolicy>
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#include <QSpacerItem>
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#include <QCloseEvent>
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#include "PaiMessageBox.h"
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#include "PaiPushButton.h"
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// #include "Log.h"
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#include "PaiTextEdit.h"
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#include "GlobalUtility.h"
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using namespace pai;
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using namespace pai::gui;
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PaiMessageBox::PaiMessageBox(QWidget *pParent) :
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PaiDialog(pParent)
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{
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InitDialog();
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}
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PaiMessageBox::PaiMessageBox(Icon icon,
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const QString & title,
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const QString & text,
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StandardButtons buttons,
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QWidget *pParent,
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Qt::WindowFlags flag) :
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PaiDialog(pParent, flag)
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{
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InitDialog();
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SetIcon(icon);
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setWindowTitle(title);
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SetText(text);
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SetStandardButtons(buttons);
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}
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PaiMessageBox::PaiMessageBox(Icon icon,
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const QString & title,
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const QString & text,
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const QString & details,
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StandardButtons buttons,
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QWidget *pParent,
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Qt::WindowFlags flag) :
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PaiDialog(pParent, flag)
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{
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InitDialog();
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SetIcon(icon);
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setWindowTitle(title);
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SetText(text);
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SetDetailedText(details);
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SetStandardButtons(buttons);
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}
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PaiMessageBox::~PaiMessageBox()
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{
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}
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void PaiMessageBox::InitDialog()
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{
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m_pDetailsTEdit = NULL; // no details area by default
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// standard button position
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m_BtnPos << Help // left
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<< Reset << Retry << RestoreDefaults << NoButton // separate left and right with this flag
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<< Apply << Open << Ok << Yes << YesToAll << Save << SaveAll << No << NoToAll << Abort << Ignore << Discard
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<< Close << Cancel; // right
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// escape button list
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m_EscapeBtns << Cancel << Close << Ignore << Abort << Discard << No;
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m_BtnNames.insert(Ok, tr("OK"));
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m_BtnNames.insert(Save, tr("Save"));
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m_BtnNames.insert(SaveAll, tr("Save All"));
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m_BtnNames.insert(Open, tr("Open"));
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m_BtnNames.insert(Yes, tr("Yes"));
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m_BtnNames.insert(YesToAll, tr("Yes to All"));
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m_BtnNames.insert(No, tr("No"));
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m_BtnNames.insert(NoToAll, tr("No to All"));
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m_BtnNames.insert(Abort, tr("Abort"));
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m_BtnNames.insert(Retry, tr("Retry"));
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m_BtnNames.insert(Ignore, tr("Ignore"));
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m_BtnNames.insert(Close, tr("Close"));
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m_BtnNames.insert(Cancel, tr("Cancel"));
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m_BtnNames.insert(Discard, tr("Discard"));
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m_BtnNames.insert(Help, tr("Help"));
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m_BtnNames.insert(Apply, tr("Apply"));
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m_BtnNames.insert(Reset, tr("Reset"));
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m_BtnNames.insert(RestoreDefaults, tr("Restore Defaults"));
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m_pIconLabel = new QLabel(GetContainer());
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QSizePolicy sizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
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sizePolicy.setHorizontalStretch(0);
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sizePolicy.setVerticalStretch(0);
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sizePolicy.setHeightForWidth(m_pIconLabel->sizePolicy().hasHeightForWidth());
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m_pIconLabel->setSizePolicy(sizePolicy);
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m_pIconLabel->setAlignment(QFlags< Qt::AlignmentFlag > (Qt::AlignLeading | Qt::AlignLeft | Qt::AlignVCenter));
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m_pTextLabel = new QLabel(GetContainer());
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m_pTextLabel->setAlignment(QFlags< Qt::AlignmentFlag > (Qt::AlignLeading | Qt::AlignLeft | Qt::AlignVCenter));
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m_pTextLabel->setTextFormat(Qt::AutoText);
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m_pTextLabel->setWordWrap(true);
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m_pBtnWgt = new QWidget(GetContainer());
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QFrame *pLine = new QFrame(GetContainer());
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pLine->setFrameShape(QFrame::HLine);
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pLine->setFrameShadow(QFrame::Sunken);
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pLine->setMinimumHeight(10);
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QGridLayout *pGrid = new QGridLayout(GetContainer());
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pGrid->addWidget(m_pIconLabel, 0, 0, 1, 1);
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pGrid->addWidget(m_pTextLabel, 0, 1, 1, 1);
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pGrid->addItem(new QSpacerItem(2, 4, QSizePolicy::Minimum, QSizePolicy::Expanding), 1, 0, 1, 2);
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pGrid->addWidget(pLine, 2, 0, 1, 2);
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pGrid->addWidget(m_pBtnWgt, 3, 0, 1, 2);
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pGrid->setContentsMargins(GRID_LEFT_MARGIN, GRID_TOP_MARGIN, GRID_RIGHT_MARGIN, GRID_BOTTOM_MARGIN);
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pGrid->setVerticalSpacing(GRID_V_SPACING);
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pGrid->setHorizontalSpacing(GRID_H_SPACING);
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setMinimumSize(500, 160);
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}
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void PaiMessageBox::SetDetailedText(const QString & text)
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{
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if(!m_pDetailsTEdit)
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{
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m_pDetailsTEdit = new PaiTextEdit(this);
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m_pDetailsTEdit->setReadOnly(true);
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QGridLayout *pGrid = qobject_cast< QGridLayout* > (layout());
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if(pGrid)
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{
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pGrid->removeItem(pGrid->itemAtPosition(1, 0));
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pGrid->addWidget(m_pDetailsTEdit, 1, 1, 1, 1);
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}
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}
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m_pDetailsTEdit->setText(text);
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}
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QString PaiMessageBox::GetDetailedText() const
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{
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if(m_pDetailsTEdit)
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{
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return m_pDetailsTEdit->toPlainText();
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}
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return QString();
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}
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PaiPushButton* PaiMessageBox::AddButton(StandardButton button)
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{
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if(!m_FlagToBtn.contains(button))
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{
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PaiPushButton *pStdBtn = new PaiPushButton(GetStandardButtonText(button), this);
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connect(pStdBtn, SIGNAL(clicked()), this, SLOT(ButtonClicked()));
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m_FlagToBtn.insert(button, pStdBtn);
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return pStdBtn;
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}
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return m_FlagToBtn.value(button);
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}
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void PaiMessageBox::SetIcon(Icon icon)
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{
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switch(icon)
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{
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case Icon_Information:
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m_pIconLabel->setPixmap(QPixmap(QString(":/information.png")));
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break;
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case Icon_Warning:
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m_pIconLabel->setPixmap(QPixmap(QString(":/warning.png")));
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break;
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case Icon_Critical:
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m_pIconLabel->setPixmap(QPixmap(QString(":/critical.png")));
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break;
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case Icon_Question:
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m_pIconLabel->setPixmap(QPixmap(QString(":/question.png")));
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break;
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case Icon_None:
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default:
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m_pIconLabel->setPixmap(QPixmap());
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break;
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}
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}
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void PaiMessageBox::SetStandardButtons(StandardButtons buttons)
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{
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uint mask = FirstButton;
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while(mask <= LastButton)
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{
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uint sb = buttons & mask;
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mask <<= 1;
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if(sb)
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{
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AddButton((StandardButton) sb);
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}
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}
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// 当没有EscapeButton按钮时，CloseButton不起作用，所以隐藏
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StandardButton eBtn = DetectedEscapeButton();
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if(eBtn == NoButton)
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{
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SetTitleBarFlags((GetTitleBarFlags() & (~PaiTitleBar::CloseButtonHint)) | PaiTitleBar::LogoButtonHint);
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}
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RestoreButtonPos();
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}
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void PaiMessageBox::SetDefaultButton(StandardButton button)
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{
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PaiPushButton *pDefBtn = m_FlagToBtn.value(button);
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if(pDefBtn)
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{
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// In some GUI styles a default button is drawn with an extra frame around it
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// In this case if use setDefault() method here
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// the default buttons have a slightly larger size hint
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pDefBtn->setFocus();
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}
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}
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void PaiMessageBox::SetText(const QString & text)
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{
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m_pTextLabel->setText(text);
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}
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void PaiMessageBox::SetStandardButtonName(StandardButton button, const QString & name)
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{
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m_BtnNames[button] = name;
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PaiPushButton *pBtn = m_FlagToBtn.value(button);
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if(pBtn)
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{
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pBtn->setText(name);
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}
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}
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QString PaiMessageBox::GetStandardButtonText(StandardButton button)
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{
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return m_BtnNames.value(button);
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}
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void PaiMessageBox::RestoreButtonPos()
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{
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if(m_pBtnWgt->layout())
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{
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delete m_pBtnWgt->layout();
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}
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QHBoxLayout *pBtnHLayout = new QHBoxLayout;
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pBtnHLayout->setContentsMargins(0, 0, 0, 0);
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pBtnHLayout->setSpacing(GRID_H_SPACING);
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// reset the layout
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int btnCount = m_BtnPos.count();
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for(int i = 0; i < btnCount; i++)
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{
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PaiPushButton *pStdBtn = m_FlagToBtn.value(m_BtnPos.at(i));
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if(pStdBtn)
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{
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pBtnHLayout->addWidget(pStdBtn);
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}
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else if(m_BtnPos.at(i) == NoButton)
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{
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pBtnHLayout->addItem(new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum));
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}
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}
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m_pBtnWgt->setLayout(pBtnHLayout);
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}
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PaiMessageBox::StandardButton PaiMessageBox::ShowNewMessageBox(QWidget *pParent,
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PaiMessageBox::Icon icon,
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const QString & title,
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const QString & text,
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PaiMessageBox::StandardButtons buttons,
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PaiMessageBox::StandardButton defaultButton)
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{
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PaiMessageBox messageBox(icon, title, text, buttons, pParent);
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messageBox.SetDefaultButton(defaultButton);
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return (StandardButton) (messageBox.exec());
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}
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void PaiMessageBox::SetResutlButton(StandardButton button)
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{
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setResult(button);
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// 打印日志
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QString msg = tr("PaiMessageBox [") + GetStandardButtonText(button) + tr("] button clicked.");
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// pai::log::Info(_FLF(msg.toStdString()));
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}
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void PaiMessageBox::ButtonClicked()
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{
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StandardButton button = m_FlagToBtn.key(qobject_cast< PaiPushButton* > (sender()));
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emit ButtonClicked(button);
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accept();
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SetResutlButton(button);
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}
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void PaiMessageBox::closeEvent(QCloseEvent *pEvent)
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{
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StandardButton eBtn = DetectedEscapeButton();
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if(eBtn == NoButton)
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{
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pEvent->ignore();
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return;
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}
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QDialog::closeEvent(pEvent);
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SetResutlButton(eBtn);
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}
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PaiMessageBox::StandardButton PaiMessageBox::DetectedEscapeButton()
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{
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foreach(StandardButton ebtn, m_EscapeBtns)
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{
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if(m_FlagToBtn.contains(ebtn))
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{
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return ebtn;
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}
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}
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return NoButton;
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}
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PaiMessageBox::StandardButton PaiMessageBox::Information(QWidget *pParent,
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const QString & title,
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const QString & text,
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StandardButtons buttons,
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StandardButton defaultButton)
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{
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return ShowNewMessageBox(pParent, Icon_Information, title, text, buttons, defaultButton);
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}
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PaiMessageBox::StandardButton PaiMessageBox::Question(QWidget *pParent,
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const QString & title,
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const QString & text,
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StandardButtons buttons,
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StandardButton defaultButton)
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{
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return ShowNewMessageBox(pParent, Icon_Question, title, text, buttons, defaultButton);
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}
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PaiMessageBox::StandardButton PaiMessageBox::Warning(QWidget *pParent,
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const QString & title,
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const QString & text,
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StandardButtons buttons,
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StandardButton defaultButton)
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{
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return ShowNewMessageBox(pParent, Icon_Warning, title, text, buttons, defaultButton);
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}
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PaiMessageBox::StandardButton PaiMessageBox::Critical(QWidget *pParent,
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const QString & title,
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const QString & text,
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StandardButtons buttons,
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StandardButton defaultButton)
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{
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return ShowNewMessageBox(pParent, Icon_Critical, title, text, buttons, defaultButton);
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}
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