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Utils.cpp
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/***************************************************************************
* Copyright (C) 2011 by Nicolae Ghimbovschi *
* nicolae.ghimbovschi@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; version 3 of the License. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QtGlobal>
#ifdef Q_OS_WIN32
#include "Utils.h"
namespace QW7 {
#define DWM_BB_ENABLE 0x00000001 // fEnable has been specified
typedef struct _DWM_BLURBEHIND
{
DWORD dwFlags;
BOOL fEnable;
HRGN hRgnBlur;
BOOL fTransitionOnMaximized;
} DWM_BLURBEHIND, *PDWM_BLURBEHIND;
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
} MARGINS, *PMARGINS;
// Window attributes
enum DWMWINDOWATTRIBUTE
{
DWMWA_NCRENDERING_ENABLED = 1, // [get] Is non-client rendering enabled/disabled
DWMWA_NCRENDERING_POLICY, // [set] Non-client rendering policy
DWMWA_TRANSITIONS_FORCEDISABLED, // [set] Potentially enable/forcibly disable transitions
DWMWA_ALLOW_NCPAINT, // [set] Allow contents rendered in the non-client area to be visible on the DWM-drawn frame.
DWMWA_CAPTION_BUTTON_BOUNDS, // [get] Bounds of the caption button area in window-relative space.
DWMWA_NONCLIENT_RTL_LAYOUT, // [set] Is non-client content RTL mirrored
DWMWA_FORCE_ICONIC_REPRESENTATION, // [set] Force this window to display iconic thumbnails.
DWMWA_FLIP3D_POLICY, // [set] Designates how Flip3D will treat the window.
DWMWA_EXTENDED_FRAME_BOUNDS, // [get] Gets the extended frame bounds rectangle in screen space
DWMWA_HAS_ICONIC_BITMAP, // [set] Indicates an available bitmap when there is no better thumbnail representation.
DWMWA_DISALLOW_PEEK, // [set] Don't invoke Peek on the window.
DWMWA_EXCLUDED_FROM_PEEK, // [set] LivePreview exclusion information
DWMWA_LAST
};
// Values designating how Flip3D treats a given window.
enum DWMFLIP3DWINDOWPOLICY
{
DWMFLIP3D_DEFAULT, // Hide or include the window in Flip3D based on window style and visibility.
DWMFLIP3D_EXCLUDEBELOW, // Display the window under Flip3D and disabled.
DWMFLIP3D_EXCLUDEABOVE, // Display the window above Flip3D and enabled.
DWMFLIP3D_LAST
};
typedef enum _DWMNCRENDERINGPOLICY {
DWMNCRP_USEWINDOWSTYLE,
DWMNCRP_DISABLED,
DWMNCRP_ENABLED,
DWMNCRP_LAST
} DWMNCRENDERINGPOLICY;
extern "C"
{
typedef HRESULT (WINAPI *t_DwmSetIconicThumbnail)(HWND hwnd, HBITMAP hbmp, DWORD dwSITFlags);
typedef HRESULT (WINAPI *t_DwmSetWindowAttribute)(HWND hwnd, DWORD dwAttribute, LPCVOID pvAttribute, DWORD cbAttribute);
typedef HRESULT (WINAPI *t_DwmSetIconicLivePreviewBitmap)(HWND hwnd, HBITMAP hbmp, POINT *pptClient, DWORD dwSITFlags);
typedef HRESULT (WINAPI *t_DwmEnableBlurBehindWindow)(HWND hWnd, const DWM_BLURBEHIND* pBlurBehind);
typedef HRESULT (WINAPI *t_DwmExtendFrameIntoClientArea)(HWND hwnd, const MARGINS *pMarInset);
typedef HRESULT (WINAPI *t_DwmInvalidateIconicBitmaps)(HWND hwnd);
}
void DwmSetIconicThumbnail(HWND hwnd, HBITMAP hbmp, DWORD dwSITFlags) {
HMODULE shell;
shell = LoadLibrary(L"dwmapi.dll");
if (shell) {
t_DwmSetIconicThumbnail set_iconic_thumbnail = reinterpret_cast<t_DwmSetIconicThumbnail>(GetProcAddress (shell, "DwmSetIconicThumbnail"));
set_iconic_thumbnail(hwnd, hbmp, dwSITFlags);
FreeLibrary (shell);
}
}
void DwmSetWindowAttribute(HWND hwnd, DWORD dwAttribute, LPCVOID pvAttribute, DWORD cbAttribute) {
HMODULE shell;
shell = LoadLibrary(L"dwmapi.dll");
if (shell) {
t_DwmSetWindowAttribute set_window_attribute = reinterpret_cast<t_DwmSetWindowAttribute>(GetProcAddress (shell, "DwmSetWindowAttribute"));
set_window_attribute(hwnd, dwAttribute, pvAttribute, cbAttribute);
FreeLibrary (shell);
}
}
void DwmSetIconicLivePreviewBitmap(HWND hwnd, HBITMAP hbmp, POINT *pptClient, DWORD dwSITFlags) {
HMODULE shell;
shell = LoadLibrary(L"dwmapi.dll");
if (shell) {
t_DwmSetIconicLivePreviewBitmap set_live_preview = reinterpret_cast<t_DwmSetIconicLivePreviewBitmap>(GetProcAddress (shell, "DwmSetIconicLivePreviewBitmap"));
set_live_preview(hwnd, hbmp, pptClient, dwSITFlags);
FreeLibrary (shell);
}
}
void DwmEnableBlurBehindWindow(HWND hwnd, const DWM_BLURBEHIND* pBlurBehind) {
HMODULE shell;
shell = LoadLibrary(L"dwmapi.dll");
if (shell) {
t_DwmEnableBlurBehindWindow set_window_blur = reinterpret_cast<t_DwmEnableBlurBehindWindow>(GetProcAddress (shell, "DwmEnableBlurBehindWindow"));
set_window_blur(hwnd, pBlurBehind);
FreeLibrary (shell);
}
}
void DwmExtendFrameIntoClientArea(HWND hwnd, const MARGINS *pMarInset) {
HMODULE shell;
shell = LoadLibrary(L"dwmapi.dll");
if (shell) {
t_DwmExtendFrameIntoClientArea set_window_frame_into_client_area = reinterpret_cast<t_DwmExtendFrameIntoClientArea>(GetProcAddress (shell, "DwmExtendFrameIntoClientArea"));
set_window_frame_into_client_area(hwnd, pMarInset);
FreeLibrary (shell);
}
}
void DwmInvalidateIconicBitmaps(HWND hwnd) {
HMODULE shell;
shell = LoadLibrary(L"dwmapi.dll");
if (shell) {
t_DwmInvalidateIconicBitmaps invalidate_icon_bitmap = reinterpret_cast<t_DwmInvalidateIconicBitmaps>(GetProcAddress (shell, "DwmInvalidateIconicBitmaps"));
invalidate_icon_bitmap(hwnd);
FreeLibrary (shell);
}
}
void ExtendFrameIntoClientArea(QWidget* widget) {
MARGINS margins = {-1};
DwmExtendFrameIntoClientArea(widget->winId(), &margins);
}
long EnableBlurBehindWidget(QWidget* widget, bool enable)
{
HWND hwnd = widget->winId();
HRESULT hr = S_OK;
widget->setAttribute(Qt::WA_TranslucentBackground, enable);
widget->setAttribute(Qt::WA_NoSystemBackground, enable);
// Create and populate the Blur Behind structure
DWM_BLURBEHIND bb = {0};
bb.dwFlags = DWM_BB_ENABLE;
bb.fEnable = enable;
bb.hRgnBlur = NULL;
DwmEnableBlurBehindWindow(hwnd, &bb);
return hr;
}
void EnableWidgetIconicPreview(QWidget* widget, bool enable) {
BOOL _enable = enable ? TRUE : FALSE;
DwmSetWindowAttribute(
widget->winId(),
DWMWA_FORCE_ICONIC_REPRESENTATION,
&_enable,
sizeof(_enable));
DwmSetWindowAttribute(
widget->winId(),
DWMWA_HAS_ICONIC_BITMAP,
&_enable,
sizeof(_enable));
}
void InvalidateIconicBitmaps(QWidget* widget) {
DwmInvalidateIconicBitmaps(widget->winId());
}
}
#endif //Q_OS_WIN32

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