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Diffstat (limited to 'src/qt/qtwin.cpp')
-rw-r--r-- | src/qt/qtwin.cpp | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/src/qt/qtwin.cpp b/src/qt/qtwin.cpp deleted file mode 100644 index bb029bba24..0000000000 --- a/src/qt/qtwin.cpp +++ /dev/null @@ -1,222 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** -** Use, modification and distribution is allowed without limitation, -** warranty, liability or support of any kind. -** -****************************************************************************/ - -#include "qtwin.h" -#include <QLibrary> -#include <QApplication> -#include <QWidget> -#include <QList> -#include <QPointer> - -#ifdef Q_WS_WIN - -#include <qt_windows.h> - -// Blur behind data structures -#define DWM_BB_ENABLE 0x00000001 // fEnable has been specified -#define DWM_BB_BLURREGION 0x00000002 // hRgnBlur has been specified -#define DWM_BB_TRANSITIONONMAXIMIZED 0x00000004 // fTransitionOnMaximized has been specified -#define WM_DWMCOMPOSITIONCHANGED 0x031E // Composition changed window message - -typedef struct _DWM_BLURBEHIND -{ - DWORD dwFlags; - BOOL fEnable; - HRGN hRgnBlur; - BOOL fTransitionOnMaximized; -} DWM_BLURBEHIND, *PDWM_BLURBEHIND; - -typedef struct _MARGINS -{ - int cxLeftWidth; - int cxRightWidth; - int cyTopHeight; - int cyBottomHeight; -} MARGINS, *PMARGINS; - -typedef HRESULT (WINAPI *PtrDwmIsCompositionEnabled)(BOOL* pfEnabled); -typedef HRESULT (WINAPI *PtrDwmExtendFrameIntoClientArea)(HWND hWnd, const MARGINS* pMarInset); -typedef HRESULT (WINAPI *PtrDwmEnableBlurBehindWindow)(HWND hWnd, const DWM_BLURBEHIND* pBlurBehind); -typedef HRESULT (WINAPI *PtrDwmGetColorizationColor)(DWORD *pcrColorization, BOOL *pfOpaqueBlend); - -static PtrDwmIsCompositionEnabled pDwmIsCompositionEnabled= 0; -static PtrDwmEnableBlurBehindWindow pDwmEnableBlurBehindWindow = 0; -static PtrDwmExtendFrameIntoClientArea pDwmExtendFrameIntoClientArea = 0; -static PtrDwmGetColorizationColor pDwmGetColorizationColor = 0; - - -/* - * Internal helper class that notifies windows if the - * DWM compositing state changes and updates the widget - * flags correspondingly. - */ -class WindowNotifier : public QWidget -{ -public: - WindowNotifier() { winId(); } - void addWidget(QWidget *widget) { widgets.append(widget); } - void removeWidget(QWidget *widget) { widgets.removeAll(widget); } - bool winEvent(MSG *message, long *result); - -private: - QWidgetList widgets; -}; - -static bool resolveLibs() -{ - if (!pDwmIsCompositionEnabled) { - QLibrary dwmLib(QString::fromAscii("dwmapi")); - pDwmIsCompositionEnabled =(PtrDwmIsCompositionEnabled)dwmLib.resolve("DwmIsCompositionEnabled"); - pDwmExtendFrameIntoClientArea = (PtrDwmExtendFrameIntoClientArea)dwmLib.resolve("DwmExtendFrameIntoClientArea"); - pDwmEnableBlurBehindWindow = (PtrDwmEnableBlurBehindWindow)dwmLib.resolve("DwmEnableBlurBehindWindow"); - pDwmGetColorizationColor = (PtrDwmGetColorizationColor)dwmLib.resolve("DwmGetColorizationColor"); - } - return pDwmIsCompositionEnabled != 0; -} - -#endif - -/*! - * Chekcs and returns true if Windows DWM composition - * is currently enabled on the system. - * - * To get live notification on the availability of - * this feature, you will currently have to - * reimplement winEvent() on your widget and listen - * for the WM_DWMCOMPOSITIONCHANGED event to occur. - * - */ -bool QtWin::isCompositionEnabled() -{ -#ifdef Q_WS_WIN - if (resolveLibs()) { - HRESULT hr = S_OK; - BOOL isEnabled = false; - hr = pDwmIsCompositionEnabled(&isEnabled); - if (SUCCEEDED(hr)) - return isEnabled; - } -#endif - return false; -} - -/*! - * Enables Blur behind on a Widget. - * - * \a enable tells if the blur should be enabled or not - */ -bool QtWin::enableBlurBehindWindow(QWidget *widget, bool enable) -{ - Q_ASSERT(widget); - bool result = false; -#ifdef Q_WS_WIN - if (resolveLibs()) { - DWM_BLURBEHIND bb = {0}; - HRESULT hr = S_OK; - bb.fEnable = enable; - bb.dwFlags = DWM_BB_ENABLE; - bb.hRgnBlur = NULL; - widget->setAttribute(Qt::WA_TranslucentBackground, enable); - widget->setAttribute(Qt::WA_NoSystemBackground, enable); - hr = pDwmEnableBlurBehindWindow(widget->winId(), &bb); - if (SUCCEEDED(hr)) { - result = true; - windowNotifier()->addWidget(widget); - } - } -#endif - return result; -} - -/*! - * ExtendFrameIntoClientArea. - * - * This controls the rendering of the frame inside the window. - * Note that passing margins of -1 (the default value) will completely - * remove the frame from the window. - * - * \note you should not call enableBlurBehindWindow before calling - * this functions - * - * \a enable tells if the blur should be enabled or not - */ -bool QtWin::extendFrameIntoClientArea(QWidget *widget, int left, int top, int right, int bottom) -{ - - Q_ASSERT(widget); - Q_UNUSED(left); - Q_UNUSED(top); - Q_UNUSED(right); - Q_UNUSED(bottom); - - bool result = false; -#ifdef Q_WS_WIN - if (resolveLibs()) { - QLibrary dwmLib(QString::fromAscii("dwmapi")); - HRESULT hr = S_OK; - MARGINS m = {left, top, right, bottom}; - hr = pDwmExtendFrameIntoClientArea(widget->winId(), &m); - if (SUCCEEDED(hr)) { - result = true; - windowNotifier()->addWidget(widget); - } - widget->setAttribute(Qt::WA_TranslucentBackground, result); - } -#endif - return result; -} - -/*! - * Returns the current colorizationColor for the window. - * - * \a enable tells if the blur should be enabled or not - */ -QColor QtWin::colorizatinColor() -{ - QColor resultColor = QApplication::palette().window().color(); - -#ifdef Q_WS_WIN - if (resolveLibs()) { - DWORD color = 0; - BOOL opaque = FALSE; - QLibrary dwmLib(QString::fromAscii("dwmapi")); - HRESULT hr = S_OK; - hr = pDwmGetColorizationColor(&color, &opaque); - if (SUCCEEDED(hr)) - resultColor = QColor(color); - } -#endif - return resultColor; -} - -#ifdef Q_WS_WIN -WindowNotifier *QtWin::windowNotifier() -{ - static WindowNotifier *windowNotifierInstance = 0; - if (!windowNotifierInstance) - windowNotifierInstance = new WindowNotifier; - return windowNotifierInstance; -} - - -/* Notify all enabled windows that the DWM state changed */ -bool WindowNotifier::winEvent(MSG *message, long *result) -{ - if (message && message->message == WM_DWMCOMPOSITIONCHANGED) { - bool compositionEnabled = QtWin::isCompositionEnabled(); - foreach(QWidget * widget, widgets) { - if (widget) { - widget->setAttribute(Qt::WA_NoSystemBackground, compositionEnabled); - } - widget->update(); - } - } - return QWidget::winEvent(message, result); -} -#endif |