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hide webpage commander tiny window when color under cursor is non-uniform

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Kang Yu 2024-04-29 09:39:09 -07:00
parent 3b51f41f08
commit 2fe282ccc2
2 changed files with 55 additions and 3 deletions
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51
Ninjacrab.PersistentWindows.Solution/Common/HotKeyWindow.cs
View file

@ -642,6 +642,38 @@ namespace PersistentWindows.Common
return cursor_info.hCursor;
}
private bool IsUniColor(IntPtr hwnd, int x, int y, int xsize, int ysize)
{
using (Bitmap screenPixel = new Bitmap(xsize, ysize))
{
using (Graphics gdest = Graphics.FromImage(screenPixel))
{
using (Graphics gsrc = Graphics.FromHwnd(hwnd))
{
IntPtr hsrcdc = gsrc.GetHdc();
IntPtr hdc = gdest.GetHdc();
Gdi32.BitBlt(hdc, 0, 0, xsize, ysize, hsrcdc, x, y, (int)CopyPixelOperation.SourceCopy);
gdest.ReleaseHdc();
gsrc.ReleaseHdc();
}
}
var px = screenPixel.GetPixel(0, 0);
Console.WriteLine($"pixel ({x}, {y}) {px}");
for (int i = 0; i < xsize; ++i)
{
for (int j = 0; j < ysize; ++j)
{
var p = screenPixel.GetPixel(i, j);
if (p != px)
return false;
}
}
return true;
}
}
private void AliveTimerCallBack(Object source, ElapsedEventArgs e)
{
if (!active)
@ -659,6 +691,7 @@ namespace PersistentWindows.Common
POINT cursorPos;
User32.GetCursorPos(out cursorPos);
IntPtr cursorWnd = User32.WindowFromPoint(cursorPos);
if (cursorWnd != Handle && cursorWnd != fgwnd && fgwnd != User32.GetAncestor(cursorWnd, User32.GetAncestorRoot))
{
//yield focus
@ -689,13 +722,25 @@ namespace PersistentWindows.Common
return;
}
if (hCursor == Cursors.Default.Handle)
{
handCursor = false;
IntPtr desktopWnd = User32.GetDesktopWindow();
//RECT rectDesktop = new RECT();
//User32.GetWindowRect(desktopWnd, ref rectDesktop);
if (cursorWnd != handle && !IsUniColor(IntPtr.Zero, cursorPos.X - Width/2, cursorPos.Y - Height/2, Width, Height))
{
// hide hotkey window to allow click through possible link
Visible = false;
StartAliveTimer(11, 1000);
return;
}
}
// let tiny hotkey window follow cursor position
ResetHotKeyVirtualDesktop();
ResetHotkeyWindowPos();
if (hCursor == Cursors.Default.Handle)
handCursor = false;
if (!Visible)
{
Visible = true;

7
Ninjacrab.PersistentWindows.Solution/Common/WinApiBridge/User32.cs
View file

@ -647,6 +647,13 @@ namespace PersistentWindows.Common.WinApiBridge
}
}
public class Gdi32
{
[DllImport("gdi32.dll")]
public static extern int BitBlt(IntPtr srchDc, int srcX, int srcY, int srcW, int srcH,
IntPtr desthDc, int destX, int destY, int op);
}
public class Shell32
{
[DllImport("Shell32.dll", CharSet = CharSet.Auto)]