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framelesshelper
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Add a null pointer check. 

Also apply new code format.

Signed-off-by: Yuhang Zhao <2546789017@qq.com>
This commit is contained in:
Yuhang Zhao 2020-06-06 09:26:30 +08:00
parent 18af58c2e6
commit aa93f72c10
2 changed files with 298 additions and 286 deletions
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511
winnativeeventfilter.cpp
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33
winnativeeventfilter.h
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@ -48,21 +48,23 @@ QT_END_NAMESPACE
Q_DISABLE_MOVE(Class)
#endif
class WinNativeEventFilter : public QAbstractNativeEventFilter {
class WinNativeEventFilter : public QAbstractNativeEventFilter
{
Q_DISABLE_COPY_MOVE(WinNativeEventFilter)
public:
using WINDOWDATA = struct _WINDOWDATA {
BOOL fixedSize = FALSE, mouseTransparent = FALSE,
restoreDefaultWindowStyle = FALSE, enableLayeredWindow = FALSE,
disableTitleBar = FALSE;
using WINDOWDATA = struct _WINDOWDATA
{
BOOL fixedSize = FALSE, mouseTransparent = FALSE, restoreDefaultWindowStyle = FALSE,
enableLayeredWindow = FALSE, disableTitleBar = FALSE;
int borderWidth = -1, borderHeight = -1, titleBarHeight = -1;
QVector<QRect> ignoreAreas = {}, draggableAreas = {};
QVector<QPointer<QObject>> ignoreObjects = {}, draggableObjects = {};
QSize maximumSize = {-1, -1}, minimumSize = {-1, -1};
};
using WINDOW = struct _WINDOW {
using WINDOW = struct _WINDOW
{
BOOL initialized = FALSE;
WINDOWDATA windowData;
};
@ -81,8 +83,10 @@ public:
// change them, pass negative values to the parameters.
static void addFramelessWindow(const HWND window,
const WINDOWDATA *data = nullptr,
const bool center = false, const int x = -1,
const int y = -1, const int width = -1,
const bool center = false,
const int x = -1,
const int y = -1,
const int width = -1,
const int height = -1);
static void removeFramelessWindow(const HWND window);
static void clearFramelessWindows();
@ -105,7 +109,8 @@ public:
// System metric value of the given window (if the pointer is null,
// return the system's standard value).
static int getSystemMetric(const HWND handle, const SystemMetric metric,
static int getSystemMetric(const HWND handle,
const SystemMetric metric,
const bool dpiAware = false);
// Use this function to trigger a frame change event or redraw a
@ -118,8 +123,8 @@ public:
// Change the geometry of a window through Win32 API.
// The width and height will be scaled automatically according to DPI. So
// just pass the original value.
static void setWindowGeometry(const HWND handle, const int x, const int y,
const int width, const int height);
static void setWindowGeometry(
const HWND handle, const int x, const int y, const int width, const int height);
// Move the window to the center of the desktop.
static void moveWindowToDesktopCenter(const HWND handle);
@ -130,11 +135,9 @@ public:
static void updateQtFrame(QWindow *const window, const int titleBarHeight);
#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
bool nativeEventFilter(const QByteArray &eventType, void *message,
qintptr *result) override;
bool nativeEventFilter(const QByteArray &eventType, void *message, qintptr *result) override;
#else
bool nativeEventFilter(const QByteArray &eventType, void *message,
long *result) override;
bool nativeEventFilter(const QByteArray &eventType, void *message, long *result) override;
#endif
private: