zcash-hackworks
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zcash-patched-for-explorer
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remove transparency effect and windows-specific code for now, it's not working as supposed

This commit is contained in:
Wladimir J. van der Laan 2011-09-11 21:06:23 +02:00
parent 1837644c4a
commit 83312d7c6c
5 changed files with 0 additions and 310 deletions
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2
bitcoin-qt.pro
View File

@ -99,7 +99,6 @@ HEADERS += src/qt/bitcoingui.h \
src/bitcoinrpc.h \
src/qt/overviewpage.h \
src/qt/csvmodelwriter.h \
src/qt/qtwin.h \
src/crypter.h \
src/qt/sendcoinsentry.h \
src/qt/qvalidatedlineedit.h \
@ -147,7 +146,6 @@ SOURCES += src/qt/bitcoin.cpp src/qt/bitcoingui.cpp \
src/bitcoinrpc.cpp \
src/qt/overviewpage.cpp \
src/qt/csvmodelwriter.cpp \
src/qt/qtwin.cpp \
src/crypter.cpp \
src/qt/sendcoinsentry.cpp \
src/qt/qvalidatedlineedit.cpp \

47
src/qt/bitcoingui.cpp
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@ -21,7 +21,6 @@
#include "guiconstants.h"
#include "askpassphrasedialog.h"
#include "notificator.h"
#include "qtwin.h"
#include <QApplication>
#include <QMainWindow>
@ -160,16 +159,6 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
// Doubleclicking on a transaction on the transaction history page shows details
connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
#ifdef Q_OS_WIN
// Windows-specific customization
if (QtWin::isCompositionEnabled())
{
QtWin::extendFrameIntoClientArea(this);
setContentsMargins(0, 0, 0, 0);
}
#endif
setWindowComposition();
gotoOverviewPage();
}
@ -432,7 +421,6 @@ void BitcoinGUI::changeEvent(QEvent *e)
}
}
}
setWindowComposition();
QMainWindow::changeEvent(e);
}
@ -446,41 +434,6 @@ void BitcoinGUI::closeEvent(QCloseEvent *event)
QMainWindow::closeEvent(event);
}
void BitcoinGUI::setWindowComposition()
{
#ifdef Q_OS_WIN
// Make the background transparent on Windows Vista or 7, except when maximized
// Otherwise text becomes hard to read
if (QtWin::isCompositionEnabled())
{
QPalette pal = palette();
QColor bg = pal.window().color();
if(isMaximized())
{
setAttribute(Qt::WA_TranslucentBackground, false);
setAttribute(Qt::WA_StyledBackground, true);
QBrush wb = pal.window();
bg = wb.color();
bg.setAlpha(255);
pal.setColor(QPalette::Window, bg);
setPalette(pal);
}
else
{
setAttribute(Qt::WA_TranslucentBackground);
setAttribute(Qt::WA_StyledBackground, false);
bg.setAlpha(0);
pal.setColor(QPalette::Window, bg);
setPalette(pal);
setAttribute(Qt::WA_NoSystemBackground, false);
ensurePolished();
setAttribute(Qt::WA_StyledBackground, false);
}
}
#endif
}
void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
{
QString strMessage =

2
src/qt/bitcoingui.h
View File

@ -99,8 +99,6 @@ public slots:
*/
void askFee(qint64 nFeeRequired, bool *payFee);
void setWindowComposition();
private slots:
// UI pages
void gotoOverviewPage();

222
src/qt/qtwin.cpp
View File

@ -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

37
src/qt/qtwin.h
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@ -1,37 +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.
**
****************************************************************************/
#ifndef QTWIN_H
#define QTWIN_H
#include <QColor>
#include <QWidget>
/**
* This is a helper class for using the Desktop Window Manager
* functionality on Windows 7 and Windows Vista. On other platforms
* these functions will simply not do anything.
*/
class WindowNotifier;
class QtWin
{
public:
static bool enableBlurBehindWindow(QWidget *widget, bool enable = true);
static bool extendFrameIntoClientArea(QWidget *widget,
int left = -1, int top = -1,
int right = -1, int bottom = -1);
static bool isCompositionEnabled();
static QColor colorizatinColor();
private:
static WindowNotifier *windowNotifier();
};
#endif // QTWIN_H