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Make mouse foreground window check more reliable

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This commit is contained in:
Richard Stanway 2013-07-07 21:24:27 -04:00
parent 1db3c97f09
commit a34644439e
2 changed files with 15 additions and 1 deletions
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13
GraphicsCapture/GraphicsCaptureSource.cpp
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@ -261,6 +261,8 @@ void GraphicsCaptureSource::EndCapture()
captureCheckInterval = -1.0f;
hwndCapture = NULL;
targetProcessID = 0;
foregroundPID = 0;
foregroundCheckCount = 0;
if(warningID)
{
@ -726,7 +728,14 @@ void GraphicsCaptureSource::Render(const Vect2 &pos, const Vect2 &size)
//----------------------------------------------------------
// draw mouse
if(bMouseCaptured && cursorTexture && GetForegroundWindow() == hwndCapture)
if (!foregroundCheckCount)
{
//only check for foreground window every 10 frames since this involves two syscalls
GetWindowThreadProcessId(GetForegroundWindow(), &foregroundPID);
foregroundCheckCount = 10;
}
if(bMouseCaptured && cursorTexture && foregroundPID == targetProcessID)
{
Vect2 newCursorPos = Vect2(float(cursorPos.x-xHotspot), float(cursorPos.y-xHotspot));
Vect2 newCursorSize = Vect2(float(cursorTexture->Width()), float(cursorTexture->Height()));
@ -748,6 +757,8 @@ void GraphicsCaptureSource::Render(const Vect2 &pos, const Vect2 &size)
DrawSprite(cursorTexture, 0xFFFFFFFF, newCursorPos.x, newCursorPos.y, newCursorPos.x+newCursorSize.x, newCursorPos.y+newCursorSize.y);
}
foregroundCheckCount--;
}
if(lastShader)

3
GraphicsCapture/GraphicsCaptureSource.h
View File

@ -53,6 +53,9 @@ class GraphicsCaptureSource : public ImageSource
float captureCheckInterval;
DWORD foregroundPID;
DWORD foregroundCheckCount;
void NewCapture();
void EndCapture();