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framelesshelper
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Minor improvements. 

Signed-off-by: Yuhang Zhao <2546789017@qq.com>
This commit is contained in:
Yuhang Zhao 2020-05-04 08:40:42 +08:00
parent a3d4df1ebf
commit a49a134f24
2 changed files with 32 additions and 6 deletions
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31
winnativeeventfilter.cpp
View File

@ -36,6 +36,9 @@
#endif
#include <QtMath>
// All the following constants and macros are copied from Windows 10 SDK
// directly, without any modifications.
#ifdef IsMinimized
#undef IsMinimized
#endif
@ -164,6 +167,9 @@
namespace {
// All the following enums, structs and function prototypes are copied from
// Windows 10 SDK directly, without any modifications.
const UINT m_defaultDotsPerInch = USER_DEFAULT_SCREEN_DPI;
const qreal m_defaultDevicePixelRatio = 1.0;
@ -215,10 +221,12 @@ using BLENDFUNCTION = struct _BLENDFUNCTION {
using BP_PAINTPARAMS = struct _BP_PAINTPARAMS {
DWORD cbSize;
DWORD dwFlags;
const RECT *prcExclude;
const BLENDFUNCTION *pBlendFunction;
CONST RECT *prcExclude;
CONST BLENDFUNCTION *pBlendFunction;
};
// Some of the following functions are not used by this code anymore,
// but we don't remove them completely because we may still need them later.
WNEF_GENERATE_WINAPI(GetSystemDpiForProcess, UINT, HANDLE)
WNEF_GENERATE_WINAPI(GetDpiForWindow, UINT, HWND)
WNEF_GENERATE_WINAPI(GetDpiForSystem, UINT)
@ -312,16 +320,23 @@ WNEF_GENERATE_WINAPI(EndBufferedPaint, HRESULT, HPAINTBUFFER, BOOL)
WNEF_GENERATE_WINAPI(BeginBufferedPaint, HPAINTBUFFER, HDC, CONST RECT *,
BP_BUFFERFORMAT, BP_PAINTPARAMS *, HDC *)
WNEF_GENERATE_WINAPI(CreateRectRgnIndirect, HRGN, CONST RECT *)
WNEF_GENERATE_WINAPI(GetDCEx, HDC, HWND, HRGN, DWORD)
WNEF_GENERATE_WINAPI(GetWindowDC, HDC, HWND)
WNEF_GENERATE_WINAPI(OffsetRect, BOOL, LPRECT, int, int)
// Some APIs are not available on old systems, so we will load them
// dynamically at run-time to get maximum compatibility.
void ResolveWin32APIs() {
static bool resolved = false;
if (resolved) {
// Don't resolve twice.
return;
}
resolved = true;
// Available since Windows 2000.
WNEF_RESOLVE_WINAPI(User32, OffsetRect)
WNEF_RESOLVE_WINAPI(User32, GetWindowDC)
WNEF_RESOLVE_WINAPI(User32, GetDCEx)
WNEF_RESOLVE_WINAPI(User32, AdjustWindowRectEx)
WNEF_RESOLVE_WINAPI(User32, EndPaint)
WNEF_RESOLVE_WINAPI(User32, BeginPaint)
@ -842,7 +857,7 @@ bool WinNativeEventFilter::nativeEventFilter(const QByteArray &eventType,
m_lpSetWindowLongPtrW(msg->hwnd, GWL_STYLE,
WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN |
WS_CLIPSIBLINGS);
if (data->windowData.layeredWindow) {
if (!data->windowData.notLayeredWindow) {
// Turn our window into a layered window to get better
// performance and hopefully, to get rid of some strange bugs at
// the same time. But this will break the Arcylic effect
@ -1180,6 +1195,7 @@ bool WinNativeEventFilter::nativeEventFilter(const QByteArray &eventType,
}
return false;
};
#if defined(QT_WIDGETS_LIB) || defined(QT_QUICK_LIB)
const auto isInSpecificObjects =
[](const int x, const int y,
const QVector<QPointer<QObject>> &objects,
@ -1218,6 +1234,7 @@ bool WinNativeEventFilter::nativeEventFilter(const QByteArray &eventType,
}
return false;
};
#endif
RECT clientRect = {0, 0, 0, 0};
m_lpGetClientRect(_hWnd, &clientRect);
const LONG ww = clientRect.right;
@ -1245,6 +1262,7 @@ bool WinNativeEventFilter::nativeEventFilter(const QByteArray &eventType,
? true
: isInSpecificAreas(mouse.x, mouse.y,
_data->windowData.draggableAreas, dpr);
#if defined(QT_WIDGETS_LIB) || defined(QT_QUICK_LIB)
const bool isInIgnoreObjects = isInSpecificObjects(
mouse.x, mouse.y, _data->windowData.ignoreObjects, dpr);
const bool isInDraggableObjects =
@ -1253,6 +1271,13 @@ bool WinNativeEventFilter::nativeEventFilter(const QByteArray &eventType,
: isInSpecificObjects(mouse.x, mouse.y,
_data->windowData.draggableObjects,
dpr);
#else
// Don't block resizing if both of the Qt Widgets module and Qt
// Quick module are not compiled in, although there's not much
// significance of using this code in this case.
const bool isInIgnoreObjects = false;
const bool isInDraggableObjects = true;
#endif
const bool isResizePermitted = !isInIgnoreAreas &&
isInDraggableAreas && !isInIgnoreObjects &&
isInDraggableObjects;

7
winnativeeventfilter.h
View File

@ -39,10 +39,11 @@ class WinNativeEventFilter : public QAbstractNativeEventFilter {
public:
using WINDOWDATA = struct _WINDOWDATA {
BOOL fixedSize = FALSE, mouseTransparent = FALSE, layeredWindow = TRUE;
BOOL fixedSize = FALSE, mouseTransparent = FALSE,
notLayeredWindow = FALSE;
int borderWidth = -1, borderHeight = -1, titlebarHeight = -1;
QVector<QRect> ignoreAreas, draggableAreas;
QVector<QPointer<QObject>> ignoreObjects, draggableObjects;
QVector<QRect> ignoreAreas = {}, draggableAreas = {};
QVector<QPointer<QObject>> ignoreObjects = {}, draggableObjects = {};
QSize maximumSize = {-1, -1}, minimumSize = {-1, -1};
};