--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/dialogs/qwizard_win.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,742 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT_NO_WIZARD
+#ifndef QT_NO_STYLE_WINDOWSVISTA
+
+#include "qwizard_win_p.h"
+#include "qlibrary.h"
+#include "qwizard.h"
+#include "qpaintengine.h"
+#include "qapplication.h"
+#include <QtGui/QMouseEvent>
+#include <QtGui/QDesktopWidget>
+
+// Note, these tests are duplicates in qwindowsxpstyle_p.h.
+#ifdef Q_CC_GNU
+# include <w32api.h>
+# if (__W32API_MAJOR_VERSION >= 3 || (__W32API_MAJOR_VERSION == 2 && __W32API_MINOR_VERSION >= 5))
+# ifdef _WIN32_WINNT
+# undef _WIN32_WINNT
+# endif
+# define _WIN32_WINNT 0x0501
+# include <commctrl.h>
+# endif
+#endif
+
+#include <uxtheme.h>
+
+QT_BEGIN_NAMESPACE
+
+//DWM related
+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
+ int cyBottomHeight; // height of bottom border that retains its size
+} WIZ_MARGINS;
+typedef struct { //DTTOPTS
+ DWORD dwSize;
+ DWORD dwFlags;
+ COLORREF crText;
+ COLORREF crBorder;
+ COLORREF crShadow;
+ int eTextShadowType;
+ POINT ptShadowOffset;
+ int iBorderSize;
+ int iFontPropId;
+ int iColorPropId;
+ int iStateId;
+ BOOL fApplyOverlay;
+ int iGlowSize;
+} WIZ_DTTOPTS;
+
+typedef struct {
+ DWORD dwFlags;
+ DWORD dwMask;
+} WIZ_WTA_OPTIONS;
+
+#define WIZ_WM_THEMECHANGED 0x031A
+#define WIZ_WM_DWMCOMPOSITIONCHANGED 0x031E
+
+enum WIZ_WINDOWTHEMEATTRIBUTETYPE {
+ WIZ_WTA_NONCLIENT = 1
+};
+
+#define WIZ_WTNCA_NODRAWCAPTION 0x00000001
+#define WIZ_WTNCA_NODRAWICON 0x00000002
+
+#define WIZ_DT_CENTER 0x00000001 //DT_CENTER
+#define WIZ_DT_VCENTER 0x00000004
+#define WIZ_DT_SINGLELINE 0x00000020
+#define WIZ_DT_NOPREFIX 0x00000800
+
+enum WIZ_NAVIGATIONPARTS { //NAVIGATIONPARTS
+ WIZ_NAV_BACKBUTTON = 1,
+ WIZ_NAV_FORWARDBUTTON = 2,
+ WIZ_NAV_MENUBUTTON = 3,
+};
+
+enum WIZ_NAV_BACKBUTTONSTATES { //NAV_BACKBUTTONSTATES
+ WIZ_NAV_BB_NORMAL = 1,
+ WIZ_NAV_BB_HOT = 2,
+ WIZ_NAV_BB_PRESSED = 3,
+ WIZ_NAV_BB_DISABLED = 4,
+};
+
+#define WIZ_TMT_CAPTIONFONT (801) //TMT_CAPTIONFONT
+#define WIZ_DTT_COMPOSITED (1UL << 13) //DTT_COMPOSITED
+#define WIZ_DTT_GLOWSIZE (1UL << 11) //DTT_GLOWSIZE
+
+#define WIZ_WM_NCMOUSELEAVE 674 //WM_NCMOUSELEAVE
+
+#define WIZ_WP_CAPTION 1 //WP_CAPTION
+#define WIZ_CS_ACTIVE 1 //CS_ACTIVE
+#define WIZ_TMT_FILLCOLORHINT 3821 //TMT_FILLCOLORHINT
+#define WIZ_TMT_BORDERCOLORHINT 3822 //TMT_BORDERCOLORHINT
+
+typedef BOOL (WINAPI *PtrDwmDefWindowProc)(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam, LRESULT *plResult);
+typedef HRESULT (WINAPI *PtrDwmIsCompositionEnabled)(BOOL* pfEnabled);
+typedef HRESULT (WINAPI *PtrDwmExtendFrameIntoClientArea)(HWND hWnd, const WIZ_MARGINS* pMarInset);
+typedef HRESULT (WINAPI *PtrSetWindowThemeAttribute)(HWND hwnd, enum WIZ_WINDOWTHEMEATTRIBUTETYPE eAttribute, PVOID pvAttribute, DWORD cbAttribute);
+
+static PtrDwmDefWindowProc pDwmDefWindowProc = 0;
+static PtrDwmIsCompositionEnabled pDwmIsCompositionEnabled = 0;
+static PtrDwmExtendFrameIntoClientArea pDwmExtendFrameIntoClientArea = 0;
+static PtrSetWindowThemeAttribute pSetWindowThemeAttribute = 0;
+
+//Theme related
+typedef bool (WINAPI *PtrIsAppThemed)();
+typedef bool (WINAPI *PtrIsThemeActive)();
+typedef HANDLE (WINAPI *PtrOpenThemeData)(HWND hwnd, LPCWSTR pszClassList);
+typedef HRESULT (WINAPI *PtrCloseThemeData)(HANDLE hTheme);
+typedef HRESULT (WINAPI *PtrGetThemeSysFont)(HANDLE hTheme, int iFontId, LOGFONTW *plf);
+typedef HRESULT (WINAPI *PtrDrawThemeTextEx)(HANDLE hTheme, HDC hdc, int iPartId, int iStateId, LPCWSTR pszText, int cchText, DWORD dwTextFlags, LPRECT pRect, const WIZ_DTTOPTS *pOptions);
+typedef HRESULT (WINAPI *PtrDrawThemeBackground)(HANDLE hTheme, HDC hdc, int iPartId, int iStateId, const RECT *pRect, OPTIONAL const RECT *pClipRect);
+typedef HRESULT (WINAPI *PtrGetThemePartSize)(HANDLE hTheme, HDC hdc, int iPartId, int iStateId, OPTIONAL RECT *prc, enum THEMESIZE eSize, OUT SIZE *psz);
+typedef HRESULT (WINAPI *PtrGetThemeColor)(HANDLE hTheme, int iPartId, int iStateId, int iPropId, OUT COLORREF *pColor);
+
+static PtrIsAppThemed pIsAppThemed = 0;
+static PtrIsThemeActive pIsThemeActive = 0;
+static PtrOpenThemeData pOpenThemeData = 0;
+static PtrCloseThemeData pCloseThemeData = 0;
+static PtrGetThemeSysFont pGetThemeSysFont = 0;
+static PtrDrawThemeTextEx pDrawThemeTextEx = 0;
+static PtrDrawThemeBackground pDrawThemeBackground = 0;
+static PtrGetThemePartSize pGetThemePartSize = 0;
+static PtrGetThemeColor pGetThemeColor = 0;
+
+bool QVistaHelper::is_vista = false;
+QVistaHelper::VistaState QVistaHelper::cachedVistaState = QVistaHelper::Dirty;
+
+/******************************************************************************
+** QVistaBackButton
+*/
+
+QVistaBackButton::QVistaBackButton(QWidget *widget)
+ : QAbstractButton(widget)
+{
+ setFocusPolicy(Qt::NoFocus);
+}
+
+QSize QVistaBackButton::sizeHint() const
+{
+ ensurePolished();
+ int width = 32, height = 32;
+/*
+ HANDLE theme = pOpenThemeData(0, L"Navigation");
+ SIZE size;
+ if (pGetThemePartSize(theme, 0, WIZ_NAV_BACKBUTTON, WIZ_NAV_BB_NORMAL, 0, TS_TRUE, &size) == S_OK) {
+ width = size.cx;
+ height = size.cy;
+ }
+*/
+ return QSize(width, height);
+}
+
+void QVistaBackButton::enterEvent(QEvent *event)
+{
+ if (isEnabled())
+ update();
+ QAbstractButton::enterEvent(event);
+}
+
+void QVistaBackButton::leaveEvent(QEvent *event)
+{
+ if (isEnabled())
+ update();
+ QAbstractButton::leaveEvent(event);
+}
+
+void QVistaBackButton::paintEvent(QPaintEvent *)
+{
+ QPainter p(this);
+ QRect r = rect();
+ HANDLE theme = pOpenThemeData(0, L"Navigation");
+ //RECT rect;
+ RECT clipRect;
+ int xoffset = QWidget::mapToParent(r.topLeft()).x();
+ int yoffset = QWidget::mapToParent(r.topLeft()).y();
+
+ clipRect.top = r.top() + yoffset;
+ clipRect.bottom = r.bottom() + yoffset;
+ clipRect.left = r.left() + xoffset;
+ clipRect.right = r.right() + xoffset;
+
+ int state = WIZ_NAV_BB_NORMAL;
+ if (!isEnabled())
+ state = WIZ_NAV_BB_DISABLED;
+ else if (isDown())
+ state = WIZ_NAV_BB_PRESSED;
+ else if (underMouse())
+ state = WIZ_NAV_BB_HOT;
+
+ pDrawThemeBackground(theme, p.paintEngine()->getDC(), WIZ_NAV_BACKBUTTON, state, &clipRect, &clipRect);
+}
+
+/******************************************************************************
+** QVistaHelper
+*/
+
+QVistaHelper::QVistaHelper(QWizard *wizard)
+ : pressed(false)
+ , wizard(wizard)
+ , backButton_(0)
+{
+ is_vista = resolveSymbols();
+ if (is_vista)
+ backButton_ = new QVistaBackButton(wizard);
+}
+
+QVistaHelper::~QVistaHelper()
+{
+}
+
+bool QVistaHelper::isCompositionEnabled()
+{
+ bool value = is_vista;
+ if (is_vista) {
+ HRESULT hr;
+ BOOL bEnabled;
+
+ hr = pDwmIsCompositionEnabled(&bEnabled);
+ value = (SUCCEEDED(hr) && bEnabled);
+ }
+ return value;
+}
+
+bool QVistaHelper::isThemeActive()
+{
+ return is_vista && pIsThemeActive();
+}
+
+QVistaHelper::VistaState QVistaHelper::vistaState()
+{
+ if (cachedVistaState == Dirty)
+ cachedVistaState =
+ isCompositionEnabled() ? VistaAero : isThemeActive() ? VistaBasic : Classic;
+ return cachedVistaState;
+}
+
+QColor QVistaHelper::basicWindowFrameColor()
+{
+ DWORD rgb;
+ HANDLE hTheme = pOpenThemeData(QApplication::desktop()->winId(), L"WINDOW");
+ pGetThemeColor(
+ hTheme, WIZ_WP_CAPTION, WIZ_CS_ACTIVE,
+ wizard->isActiveWindow() ? WIZ_TMT_FILLCOLORHINT : WIZ_TMT_BORDERCOLORHINT,
+ &rgb);
+ BYTE r = GetRValue(rgb);
+ BYTE g = GetGValue(rgb);
+ BYTE b = GetBValue(rgb);
+ return QColor(r, g, b);
+}
+
+bool QVistaHelper::setDWMTitleBar(TitleBarChangeType type)
+{
+ bool value = false;
+ if (vistaState() == VistaAero) {
+ WIZ_MARGINS mar = {0};
+ if (type == NormalTitleBar)
+ mar.cyTopHeight = 0;
+ else
+ mar.cyTopHeight = titleBarSize() + topOffset();
+ HRESULT hr = pDwmExtendFrameIntoClientArea(wizard->winId(), &mar);
+ value = SUCCEEDED(hr);
+ }
+ return value;
+}
+
+void QVistaHelper::drawTitleBar(QPainter *painter)
+{
+ if (vistaState() == VistaAero)
+ drawBlackRect(
+ QRect(0, 0, wizard->width(), titleBarSize() + topOffset()),
+ painter->paintEngine()->getDC());
+
+ Q_ASSERT(backButton_);
+ const int btnTop = backButton_->mapToParent(QPoint()).y();
+ const int btnHeight = backButton_->size().height();
+ const int verticalCenter = (btnTop + btnHeight / 2);
+
+ wizard->windowIcon().paint(
+ painter, QRect(leftMargin(), verticalCenter - iconSize() / 2, iconSize(), iconSize()));
+
+ const QString text = wizard->window()->windowTitle();
+ const QFont font = QApplication::font("QWorkspaceTitleBar");
+ const QFontMetrics fontMetrics(font);
+ const QRect brect = fontMetrics.boundingRect(text);
+ int textHeight = brect.height();
+ int textWidth = brect.width();
+ if (vistaState() == VistaAero) {
+ textHeight += 2 * glowSize();
+ textWidth += 2 * glowSize();
+ }
+ drawTitleText(
+ painter, text,
+ QRect(titleOffset(), verticalCenter - textHeight / 2, textWidth, textHeight),
+ painter->paintEngine()->getDC());
+}
+
+void QVistaHelper::setTitleBarIconAndCaptionVisible(bool visible)
+{
+ if (is_vista) {
+ WIZ_WTA_OPTIONS opt;
+ opt.dwFlags = WIZ_WTNCA_NODRAWICON | WIZ_WTNCA_NODRAWCAPTION;
+ if (visible)
+ opt.dwMask = 0;
+ else
+ opt.dwMask = WIZ_WTNCA_NODRAWICON | WIZ_WTNCA_NODRAWCAPTION;
+ pSetWindowThemeAttribute(wizard->winId(), WIZ_WTA_NONCLIENT, &opt, sizeof(WIZ_WTA_OPTIONS));
+ }
+}
+
+bool QVistaHelper::winEvent(MSG* msg, long* result)
+{
+ bool retval = true;
+
+ switch (msg->message) {
+ case WM_NCHITTEST: {
+ LRESULT lResult;
+ pDwmDefWindowProc(msg->hwnd, msg->message, msg->wParam, msg->lParam, &lResult);
+ if (lResult == HTCLOSE || lResult == HTMAXBUTTON || lResult == HTMINBUTTON || lResult == HTHELP)
+ *result = lResult;
+ else
+ *result = DefWindowProc(msg->hwnd, msg->message, msg->wParam, msg->lParam);
+ break;
+ }
+ case WM_NCMOUSEMOVE:
+ case WM_NCLBUTTONDOWN:
+ case WM_NCLBUTTONUP:
+ case WIZ_WM_NCMOUSELEAVE: {
+ LRESULT lResult;
+ pDwmDefWindowProc(msg->hwnd, msg->message, msg->wParam, msg->lParam, &lResult);
+ *result = DefWindowProc(msg->hwnd, msg->message, msg->wParam, msg->lParam);
+ break;
+ }
+ case WM_NCCALCSIZE: {
+ 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:
+ retval = false;
+ }
+
+ return retval;
+}
+
+void QVistaHelper::setMouseCursor(QPoint pos)
+{
+ if (rtTop.contains(pos))
+ wizard->setCursor(Qt::SizeVerCursor);
+ else
+ wizard->setCursor(Qt::ArrowCursor);
+}
+
+void QVistaHelper::mouseEvent(QEvent *event)
+{
+ switch (event->type()) {
+ case QEvent::MouseMove:
+ mouseMoveEvent(static_cast<QMouseEvent *>(event));
+ break;
+ case QEvent::MouseButtonPress:
+ mousePressEvent(static_cast<QMouseEvent *>(event));
+ break;
+ case QEvent::MouseButtonRelease:
+ mouseReleaseEvent(static_cast<QMouseEvent *>(event));
+ break;
+ default:
+ break;
+ }
+}
+
+// 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();
+ SetWindowPos(wizard->winId(), 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)
+ cachedVistaState = Dirty;
+
+ bool status = false;
+ if (wizard->wizardStyle() == QWizard::AeroStyle && vistaState() == VistaAero) {
+ status = winEvent(message, result);
+ if (message->message == WM_NCCALCSIZE) {
+ if (status)
+ collapseTopFrameStrut();
+ } else if (message->message == WM_NCPAINT) {
+ wizard->update();
+ }
+ }
+ return status;
+}
+
+void QVistaHelper::resizeEvent(QResizeEvent * event)
+{
+ Q_UNUSED(event);
+ rtTop = QRect (0, 0, wizard->width(), frameSize());
+ int height = captionSize() + topOffset();
+ if (vistaState() == VistaBasic)
+ height -= titleBarSize();
+ rtTitle = QRect (0, frameSize(), wizard->width(), height);
+}
+
+void QVistaHelper::paintEvent(QPaintEvent *event)
+{
+ Q_UNUSED(event);
+ QPainter painter(wizard);
+ drawTitleBar(&painter);
+}
+
+void QVistaHelper::mouseMoveEvent(QMouseEvent *event)
+{
+ if (wizard->windowState() & Qt::WindowMaximized) {
+ event->ignore();
+ return;
+ }
+
+ QRect rect = wizard->geometry();
+ if (pressed) {
+ switch (change) {
+ case resizeTop:
+ {
+ const int dy = event->pos().y() - pressedPos.y();
+ if ((dy > 0 && rect.height() > wizard->minimumHeight())
+ || (dy < 0 && rect.height() < wizard->maximumHeight()))
+ rect.setTop(rect.top() + dy);
+ }
+ break;
+ case movePosition: {
+ QPoint newPos = event->pos() - pressedPos;
+ rect.moveLeft(rect.left() + newPos.x());
+ rect.moveTop(rect.top() + newPos.y());
+ break; }
+ default:
+ break;
+ }
+ wizard->setGeometry(rect);
+
+ } else if (vistaState() == VistaAero) {
+ setMouseCursor(event->pos());
+ }
+ event->ignore();
+}
+
+void QVistaHelper::mousePressEvent(QMouseEvent *event)
+{
+ change = noChange;
+
+ if (wizard->windowState() & Qt::WindowMaximized) {
+ event->ignore();
+ return;
+ }
+
+ if (rtTitle.contains(event->pos())) {
+ change = movePosition;
+ } else if (rtTop.contains(event->pos()))
+ change = (vistaState() == VistaAero) ? resizeTop : movePosition;
+
+ if (change != noChange) {
+ if (vistaState() == VistaAero)
+ setMouseCursor(event->pos());
+ pressed = true;
+ pressedPos = event->pos();
+ } else {
+ event->ignore();
+ }
+}
+
+void QVistaHelper::mouseReleaseEvent(QMouseEvent *event)
+{
+ change = noChange;
+ if (pressed) {
+ pressed = false;
+ wizard->releaseMouse();
+ if (vistaState() == VistaAero)
+ setMouseCursor(event->pos());
+ }
+ event->ignore();
+}
+
+bool QVistaHelper::eventFilter(QObject *obj, QEvent *event)
+{
+ if (obj != wizard)
+ return QObject::eventFilter(obj, event);
+
+ if (event->type() == QEvent::MouseMove) {
+ QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
+ long result;
+ MSG msg;
+ msg.message = WM_NCHITTEST;
+ msg.wParam = 0;
+ msg.lParam = MAKELPARAM(mouseEvent->globalX(), mouseEvent->globalY());
+ msg.hwnd = wizard->winId();
+ winEvent(&msg, &result);
+ msg.wParam = result;
+ msg.message = WM_NCMOUSEMOVE;
+ winEvent(&msg, &result);
+ } else if (event->type() == QEvent::MouseButtonPress) {
+ QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
+ long result;
+ MSG msg;
+ msg.message = WM_NCHITTEST;
+ msg.wParam = 0;
+ msg.lParam = MAKELPARAM(mouseEvent->globalX(), mouseEvent->globalY());
+ msg.hwnd = wizard->winId();
+ winEvent(&msg, &result);
+ msg.wParam = result;
+ msg.message = WM_NCLBUTTONDOWN;
+ winEvent(&msg, &result);
+ } else if (event->type() == QEvent::MouseButtonRelease) {
+ QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
+ long result;
+ MSG msg;
+ msg.message = WM_NCHITTEST;
+ msg.wParam = 0;
+ msg.lParam = MAKELPARAM(mouseEvent->globalX(), mouseEvent->globalY());
+ msg.hwnd = wizard->winId();
+ winEvent(&msg, &result);
+ msg.wParam = result;
+ msg.message = WM_NCLBUTTONUP;
+ winEvent(&msg, &result);
+ }
+
+ return false;
+}
+
+HFONT QVistaHelper::getCaptionFont(HANDLE hTheme)
+{
+ LOGFONT lf = {0};
+
+ if (!hTheme)
+ pGetThemeSysFont(hTheme, WIZ_TMT_CAPTIONFONT, &lf);
+ else
+ {
+ NONCLIENTMETRICS ncm = {sizeof(NONCLIENTMETRICS)};
+ SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(NONCLIENTMETRICS), &ncm, false);
+ lf = ncm.lfMessageFont;
+ }
+ return CreateFontIndirect(&lf);
+}
+
+bool QVistaHelper::drawTitleText(QPainter *painter, const QString &text, const QRect &rect, HDC hdc)
+{
+ bool value = false;
+ if (vistaState() == VistaAero) {
+ HANDLE hTheme = pOpenThemeData(QApplication::desktop()->winId(), L"WINDOW");
+ if (!hTheme) return false;
+ // Set up a memory DC and bitmap that we'll draw into
+ HDC dcMem;
+ HBITMAP bmp;
+ BITMAPINFO dib = {{0}};
+ dcMem = CreateCompatibleDC(hdc);
+
+ dib.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ dib.bmiHeader.biWidth = rect.width();
+ dib.bmiHeader.biHeight = -rect.height();
+ 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 = { sizeof(WIZ_DTTOPTS) };
+ const UINT uFormat = WIZ_DT_SINGLELINE|WIZ_DT_CENTER|WIZ_DT_VCENTER|WIZ_DT_NOPREFIX;
+ RECT rctext ={0,0, rect.width(), rect.height()};
+
+ 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);
+ SelectObject(dcMem, (HGDIOBJ) hOldFont);
+ DeleteObject(bmp);
+ DeleteObject(hCaptionFont);
+ DeleteDC(dcMem);
+ //ReleaseDC(hwnd, hdc);
+ } else if (vistaState() == VistaBasic) {
+ painter->drawText(rect, text);
+ }
+ return value;
+}
+
+bool QVistaHelper::drawBlackRect(const QRect &rect, HDC hdc)
+{
+ bool value = false;
+ if (vistaState() == VistaAero) {
+ // Set up a memory DC and bitmap that we'll draw into
+ HDC dcMem;
+ HBITMAP bmp;
+ BITMAPINFO dib = {{0}};
+ dcMem = CreateCompatibleDC(hdc);
+
+ dib.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ dib.bmiHeader.biWidth = rect.width();
+ dib.bmiHeader.biHeight = -rect.height();
+ 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);
+
+ BitBlt(hdc, rect.left(), rect.top(), rect.width(), rect.height(), dcMem, 0, 0, SRCCOPY);
+ SelectObject(dcMem, (HGDIOBJ) hOldBmp);
+
+ DeleteObject(bmp);
+ DeleteDC(dcMem);
+ }
+ return value;
+}
+
+bool QVistaHelper::resolveSymbols()
+{
+ static bool tried = false;
+ if (!tried) {
+ tried = true;
+ QLibrary dwmLib(QString::fromAscii("dwmapi"));
+ pDwmIsCompositionEnabled =
+ (PtrDwmIsCompositionEnabled)dwmLib.resolve("DwmIsCompositionEnabled");
+ if (pDwmIsCompositionEnabled) {
+ pDwmDefWindowProc = (PtrDwmDefWindowProc)dwmLib.resolve("DwmDefWindowProc");
+ pDwmExtendFrameIntoClientArea =
+ (PtrDwmExtendFrameIntoClientArea)dwmLib.resolve("DwmExtendFrameIntoClientArea");
+ }
+ QLibrary themeLib(QString::fromAscii("uxtheme"));
+ pIsAppThemed = (PtrIsAppThemed)themeLib.resolve("IsAppThemed");
+ if (pIsAppThemed) {
+ pDrawThemeBackground = (PtrDrawThemeBackground)themeLib.resolve("DrawThemeBackground");
+ pGetThemePartSize = (PtrGetThemePartSize)themeLib.resolve("GetThemePartSize");
+ pGetThemeColor = (PtrGetThemeColor)themeLib.resolve("GetThemeColor");
+ pIsThemeActive = (PtrIsThemeActive)themeLib.resolve("IsThemeActive");
+ pOpenThemeData = (PtrOpenThemeData)themeLib.resolve("OpenThemeData");
+ pCloseThemeData = (PtrCloseThemeData)themeLib.resolve("CloseThemeData");
+ pGetThemeSysFont = (PtrGetThemeSysFont)themeLib.resolve("GetThemeSysFont");
+ pDrawThemeTextEx = (PtrDrawThemeTextEx)themeLib.resolve("DrawThemeTextEx");
+ pSetWindowThemeAttribute = (PtrSetWindowThemeAttribute)themeLib.resolve("SetWindowThemeAttribute");
+ }
+ }
+
+ return (
+ pDwmIsCompositionEnabled != 0
+ && pDwmDefWindowProc != 0
+ && pDwmExtendFrameIntoClientArea != 0
+ && pIsAppThemed != 0
+ && pDrawThemeBackground != 0
+ && pGetThemePartSize != 0
+ && pGetThemeColor != 0
+ && pIsThemeActive != 0
+ && pOpenThemeData != 0
+ && pCloseThemeData != 0
+ && pGetThemeSysFont != 0
+ && pDrawThemeTextEx != 0
+ && pSetWindowThemeAttribute != 0
+ );
+}
+
+int QVistaHelper::titleOffset()
+{
+ int iconOffset = wizard ->windowIcon().isNull() ? 0 : iconSize() + padding();
+ return leftMargin() + iconOffset;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_STYLE_WINDOWSVISTA
+
+#endif // QT_NO_WIZARD