diff options
Diffstat (limited to 'src/widgets/dialogs/qwizard_win.cpp')
| -rw-r--r-- | src/widgets/dialogs/qwizard_win.cpp | 181 |
1 files changed, 106 insertions, 75 deletions
diff --git a/src/widgets/dialogs/qwizard_win.cpp b/src/widgets/dialogs/qwizard_win.cpp index 2bcb7a2167..001c21da61 100644 --- a/src/widgets/dialogs/qwizard_win.cpp +++ b/src/widgets/dialogs/qwizard_win.cpp @@ -3,7 +3,7 @@ ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** -** This file is part of the QtGui module of the Qt Toolkit. +** This file is part of the QtWidgets module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage @@ -49,7 +49,10 @@ #include "qwizard.h" #include "qpaintengine.h" #include "qapplication.h" +#include <QtCore/QVariant> +#include <QtCore/QDebug> #include <QtGui/QMouseEvent> +#include <QtGui/QWindow> #include <QtWidgets/QDesktopWidget> // Note, these tests are duplicates in qwindowsxpstyle_p.h. @@ -66,10 +69,12 @@ #include <uxtheme.h> +Q_DECLARE_METATYPE(QMargins) + QT_BEGIN_NAMESPACE //DWM related -typedef struct { //MARGINS +typedef struct { //MARGINS int cxLeftWidth; // width of left border that retains its size int cxRightWidth; // width of right border that retains its size int cyTopHeight; // height of top border that retains its size @@ -216,9 +221,11 @@ void QVistaBackButton::paintEvent(QPaintEvent *) QRect r = rect(); HANDLE theme = pOpenThemeData(0, L"Navigation"); //RECT rect; + QPoint origin; + const HDC hdc = QVistaHelper::backingStoreDC(parentWidget(), &origin); RECT clipRect; - int xoffset = QWidget::mapToParent(r.topLeft()).x() - 1; - int yoffset = QWidget::mapToParent(r.topLeft()).y() - 1; + int xoffset = origin.x() + QWidget::mapToParent(r.topLeft()).x() - 1; + int yoffset = origin.y() + QWidget::mapToParent(r.topLeft()).y() - 1; clipRect.top = r.top() + yoffset; clipRect.bottom = r.bottom() + yoffset; @@ -233,8 +240,6 @@ void QVistaBackButton::paintEvent(QPaintEvent *) else if (underMouse()) state = WIZ_NAV_BB_HOT; - QPlatformNativeInterface *nativeInterface = QGuiApplication::platformNativeInterface(); - HDC hdc = static_cast<HDC>(nativeInterface->nativeResourceForBackingStore("getDC", backingStore())); pDrawThemeBackground(theme, hdc, WIZ_NAV_BACKBUTTON, state, &clipRect, &clipRect); } @@ -251,8 +256,10 @@ QVistaHelper::QVistaHelper(QWizard *wizard) is_vista = resolveSymbols(); if (instanceCount++ == 0) cachedVistaState = Dirty; - if (is_vista) + if (is_vista) { backButton_ = new QVistaBackButton(wizard); + backButton_->hide(); + } // Handle diff between Windows 7 and Vista iconSpacing = QStyleHelper::dpiScaled(7); @@ -265,6 +272,26 @@ QVistaHelper::~QVistaHelper() --instanceCount; } +void QVistaHelper::updateCustomMargins(bool vistaMargins) +{ + if (QSysInfo::WindowsVersion >= QSysInfo::WV_WINDOWS8) + return; // Negative margins are not supported on Windows 8. + if (QWindow *window = wizard->windowHandle()) { + // Reduce top frame to zero since we paint it ourselves. + const QMargins customMargins = vistaMargins ? + QMargins(0, -titleBarSize(), 0, 0) : QMargins(); + const QVariant customMarginsV = qVariantFromValue(customMargins); + // The dynamic property takes effect when creating the platform window. + window->setProperty("_q_windowsCustomMargins", customMarginsV); + // If a platform window exists, change via native interface. + if (QPlatformWindow *platformWindow = window->handle()) { + QGuiApplication::platformNativeInterface()-> + setWindowProperty(platformWindow, QStringLiteral("WindowsCustomMargins"), + customMarginsV); + } + } +} + bool QVistaHelper::isCompositionEnabled() { bool value = is_vista; @@ -291,6 +318,12 @@ QVistaHelper::VistaState QVistaHelper::vistaState() return cachedVistaState; } +void QVistaHelper::disconnectBackButton() +{ + if (backButton_) // Leave QStyleSheetStyle's connections on destroyed() intact. + backButton_->disconnect(SIGNAL(clicked())); +} + QColor QVistaHelper::basicWindowFrameColor() { DWORD rgb; @@ -315,9 +348,9 @@ bool QVistaHelper::setDWMTitleBar(TitleBarChangeType type) mar.cyTopHeight = 0; else mar.cyTopHeight = titleBarSize() + topOffset(); - HWND wizardHandle = QApplicationPrivate::getHWNDForWidget(wizard); - HRESULT hr = pDwmExtendFrameIntoClientArea(wizardHandle, &mar); - value = SUCCEEDED(hr); + if (const HWND wizardHandle = wizardHWND()) + if (SUCCEEDED(pDwmExtendFrameIntoClientArea(wizardHandle, &mar))) + value = true; } return value; } @@ -327,11 +360,11 @@ Q_GUI_EXPORT HICON qt_pixmapToWinHICON(const QPixmap &); void QVistaHelper::drawTitleBar(QPainter *painter) { Q_ASSERT(backButton_); - QPlatformNativeInterface *nativeInterface = QGuiApplication::platformNativeInterface(); - QBackingStore *backingStore = backButton_->backingStore(); - HDC hdc = static_cast<HDC>(nativeInterface->nativeResourceForBackingStore("getDC", backingStore)); + QPoint origin; + const bool isWindow = wizard->isWindow(); + const HDC hdc = QVistaHelper::backingStoreDC(wizard, &origin); - if (vistaState() == VistaAero) + if (vistaState() == VistaAero && isWindow) drawBlackRect(QRect(0, 0, wizard->width(), titleBarSize() + topOffset()), hdc); const int btnTop = backButton_->mapToParent(QPoint()).y(); @@ -352,14 +385,20 @@ void QVistaHelper::drawTitleBar(QPainter *painter) glowOffset = glowSize(); } - drawTitleText( - painter, text, - QRect(titleOffset() - glowOffset, verticalCenter - textHeight / 2, textWidth, textHeight), - hdc); + const QRect textRectangle(titleOffset() - glowOffset, verticalCenter - textHeight / 2, textWidth, textHeight); + if (isWindow) { + drawTitleText(painter, text, textRectangle, hdc); + } else { + painter->save(); + painter->setFont(font); + painter->drawText(textRectangle, Qt::AlignVCenter | Qt::AlignHCenter, text); + painter->restore(); + } const QIcon windowIcon = wizard->windowIcon(); if (!windowIcon.isNull()) { - QRect rect(leftMargin(), verticalCenter - iconSize() / 2, iconSize(), iconSize()); + const QRect rect(origin.x() + leftMargin(), + origin.y() + verticalCenter - iconSize() / 2, iconSize(), iconSize()); const HICON hIcon = qt_pixmapToWinHICON(windowIcon.pixmap(iconSize())); DrawIconEx(hdc, rect.left(), rect.top(), hIcon, 0, 0, 0, NULL, DI_NORMAL | DI_COMPAT); DestroyIcon(hIcon); @@ -375,8 +414,8 @@ void QVistaHelper::setTitleBarIconAndCaptionVisible(bool visible) opt.dwMask = 0; else opt.dwMask = WIZ_WTNCA_NODRAWICON | WIZ_WTNCA_NODRAWCAPTION; - HWND handle = QApplicationPrivate::getHWNDForWidget(wizard); - pSetWindowThemeAttribute(handle, WIZ_WTA_NONCLIENT, &opt, sizeof(WIZ_WTA_OPTIONS)); + if (const HWND handle = wizardHWND()) + pSetWindowThemeAttribute(handle, WIZ_WTA_NONCLIENT, &opt, sizeof(WIZ_WTA_OPTIONS)); } } @@ -402,13 +441,6 @@ bool QVistaHelper::winEvent(MSG* msg, long* result) } break; } -// case WM_NCCALCSIZE: { #fixme: If the frame size is changed, it needs to be communicated to the QWindow. -// NCCALCSIZE_PARAMS* lpncsp = (NCCALCSIZE_PARAMS*)msg->lParam; -// *result = DefWindowProc(msg->hwnd, msg->message, msg->wParam, msg->lParam); -// lpncsp->rgrc[0].top -= (vistaState() == VistaAero ? titleBarSize() : 0); -// -// break; -// } default: LRESULT lResult; // Pass to DWM to handle @@ -449,38 +481,6 @@ void QVistaHelper::mouseEvent(QEvent *event) } } -// The following hack ensures that the titlebar is updated correctly -// when the wizard style changes to and from AeroStyle. Specifically, -// this function causes a Windows message of type WM_NCCALCSIZE to -// be triggered. -void QVistaHelper::setWindowPosHack() -{ - const int x = wizard->geometry().x(); // ignored by SWP_NOMOVE - const int y = wizard->geometry().y(); // ignored by SWP_NOMOVE - const int w = wizard->width(); - const int h = wizard->height(); - HWND handle = QApplicationPrivate::getHWNDForWidget(wizard); - SetWindowPos(handle, 0, x, y, w, h, SWP_NOMOVE | SWP_NOZORDER | SWP_FRAMECHANGED); -} - -// The following hack allows any QWidget subclass to access -// QWidgetPrivate::topData() without being declared as a -// friend by QWidget. -class QHackWidget : public QWidget -{ -public: - Q_DECLARE_PRIVATE(QWidget) - QTLWExtra* topData() { return d_func()->topData(); } -}; - -void QVistaHelper::collapseTopFrameStrut() -{ - QTLWExtra *top = ((QHackWidget *)wizard)->d_func()->topData(); - int x1, y1, x2, y2; - top->frameStrut.getCoords(&x1, &y1, &x2, &y2); - top->frameStrut.setCoords(x1, 0, x2, y2); -} - bool QVistaHelper::handleWinEvent(MSG *message, long *result) { if (message->message == WIZ_WM_THEMECHANGED || message->message == WIZ_WM_DWMCOMPOSITIONCHANGED) @@ -489,12 +489,8 @@ bool QVistaHelper::handleWinEvent(MSG *message, long *result) bool status = false; if (wizard->wizardStyle() == QWizard::AeroStyle && vistaState() == VistaAero) { status = winEvent(message, result); - if (message->message == WM_NCCALCSIZE) { -// if (status) #fixme -// collapseTopFrameStrut(); - } else if (message->message == WM_NCPAINT) { + if (message->message == WM_NCPAINT) wizard->update(); - } } return status; } @@ -598,8 +594,7 @@ bool QVistaHelper::eventFilter(QObject *obj, QEvent *event) msg.message = WM_NCHITTEST; msg.wParam = 0; msg.lParam = MAKELPARAM(mouseEvent->globalX(), mouseEvent->globalY()); - HWND handle = QApplicationPrivate::getHWNDForWidget(wizard); - msg.hwnd = handle; + msg.hwnd = wizardHWND(); winEvent(&msg, &result); msg.wParam = result; msg.message = WM_NCMOUSEMOVE; @@ -613,8 +608,7 @@ bool QVistaHelper::eventFilter(QObject *obj, QEvent *event) msg.message = WM_NCHITTEST; msg.wParam = 0; msg.lParam = MAKELPARAM(mouseEvent->globalX(), mouseEvent->globalY()); - HWND handle = QApplicationPrivate::getHWNDForWidget(wizard); - msg.hwnd = handle; + msg.hwnd = wizardHWND(); winEvent(&msg, &result); msg.wParam = result; msg.message = WM_NCLBUTTONDOWN; @@ -629,8 +623,7 @@ bool QVistaHelper::eventFilter(QObject *obj, QEvent *event) msg.message = WM_NCHITTEST; msg.wParam = 0; msg.lParam = MAKELPARAM(mouseEvent->globalX(), mouseEvent->globalY()); - HWND handle = QApplicationPrivate::getHWNDForWidget(wizard); - msg.hwnd = handle; + msg.hwnd = wizardHWND(); winEvent(&msg, &result); msg.wParam = result; msg.message = WM_NCLBUTTONUP; @@ -657,6 +650,31 @@ HFONT QVistaHelper::getCaptionFont(HANDLE hTheme) return CreateFontIndirect(&lf); } +// Return a HDC for the wizard along with the transformation if the +// wizard is a child window. +HDC QVistaHelper::backingStoreDC(const QWidget *wizard, QPoint *offset) +{ + HDC hdc = static_cast<HDC>(QGuiApplication::platformNativeInterface()->nativeResourceForBackingStore(QByteArrayLiteral("getDC"), wizard->backingStore())); + *offset = QPoint(0, 0); + if (!wizard->windowHandle()) + if (QWidget *nativeParent = wizard->nativeParentWidget()) + *offset = wizard->mapTo(nativeParent, *offset); + return hdc; +} + +HWND QVistaHelper::wizardHWND() const +{ + // Obtain the HWND if the wizard is a top-level window. + // Do not use winId() as this enforces native children of the parent + // widget when called before show() as happens when calling setWizardStyle(). + if (QWindow *window = wizard->windowHandle()) + if (window->handle()) + if (void *vHwnd = QGuiApplication::platformNativeInterface()->nativeResourceForWindow(QByteArrayLiteral("handle"), window)) + return static_cast<HWND>(vHwnd); + qWarning().nospace() << "Failed to obtain HWND for wizard."; + return 0; +} + bool QVistaHelper::drawTitleText(QPainter *painter, const QString &text, const QRect &rect, HDC hdc) { bool value = false; @@ -677,14 +695,14 @@ bool QVistaHelper::drawTitleText(QPainter *painter, const QString &text, const Q dib.bmiHeader.biPlanes = 1; dib.bmiHeader.biBitCount = 32; dib.bmiHeader.biCompression = BI_RGB; - + bmp = CreateDIBSection(hdc, &dib, DIB_RGB_COLORS, NULL, NULL, 0); // Set up the DC HFONT hCaptionFont = getCaptionFont(hTheme); HBITMAP hOldBmp = (HBITMAP)SelectObject(dcMem, (HGDIOBJ) bmp); HFONT hOldFont = (HFONT)SelectObject(dcMem, (HGDIOBJ) hCaptionFont); - + // Draw the text! WIZ_DTTOPTS dto; dto.dwSize = sizeof(WIZ_DTTOPTS); @@ -693,7 +711,7 @@ bool QVistaHelper::drawTitleText(QPainter *painter, const QString &text, const Q dto.dwFlags = WIZ_DTT_COMPOSITED|WIZ_DTT_GLOWSIZE; dto.iGlowSize = glowSize(); - + pDrawThemeTextEx(hTheme, dcMem, 0, 0, (LPCWSTR)text.utf16(), -1, uFormat, &rctext, &dto ); BitBlt(hdc, rect.left(), rect.top(), rect.width(), rect.height(), dcMem, 0, 0, SRCCOPY); SelectObject(dcMem, (HGDIOBJ) hOldBmp); @@ -725,7 +743,7 @@ bool QVistaHelper::drawBlackRect(const QRect &rect, HDC hdc) dib.bmiHeader.biPlanes = 1; dib.bmiHeader.biBitCount = 32; dib.bmiHeader.biCompression = BI_RGB; - + bmp = CreateDIBSection(hdc, &dib, DIB_RGB_COLORS, NULL, NULL, 0); HBITMAP hOldBmp = (HBITMAP)SelectObject(dcMem, (HGDIOBJ) bmp); @@ -789,6 +807,19 @@ int QVistaHelper::titleOffset() return leftMargin() + iconOffset; } +int QVistaHelper::topOffset() +{ + if (vistaState() != VistaAero) + return titleBarSize() + 3; + static const int aeroOffset = + QSysInfo::WindowsVersion == QSysInfo::WV_WINDOWS7 ? + QStyleHelper::dpiScaled(4) : QStyleHelper::dpiScaled(13); + int result = aeroOffset; + if (QSysInfo::WindowsVersion < QSysInfo::WV_WINDOWS8) + result += titleBarSize(); + return result; +} + QT_END_NAMESPACE #endif // QT_NO_STYLE_WINDOWSVISTA |