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refactor IsWindowFullscreen. fix #687. (#712)

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jhdxr 2016-05-30 21:00:38 +08:00 committed by bao-qian
parent 688d37fe76
commit d235bf9822
1 changed files with 51 additions and 8 deletions
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59
Wox/Helper/WindowIntelopHelper.cs
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@ -1,6 +1,7 @@
using System; using System;
using System.Drawing; using System.Drawing;
using System.Runtime.InteropServices; using System.Runtime.InteropServices;
using System.Text;
using System.Windows; using System.Windows;
using System.Windows.Forms; using System.Windows.Forms;
using System.Windows.Interop; using System.Windows.Interop;
@ -51,18 +52,60 @@ namespace Wox.Helper
[DllImport("user32.dll", SetLastError = true)] [DllImport("user32.dll", SetLastError = true)]
private static extern int GetWindowRect(IntPtr hwnd, out RECT rc); private static extern int GetWindowRect(IntPtr hwnd, out RECT rc);
[DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
private static extern int GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount);
[DllImport("user32.DLL")]
public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);
const string WINDOW_CLASS_CONSOLE = "ConsoleWindowClass";
const string WINDOW_CLASS_WINTAB = "Flip3D";
const string WINDOW_CLASS_PROGMAN = "Progman";
const string WINDOW_CLASS_WORKERW = "WorkerW";
public static bool IsWindowFullscreen() public static bool IsWindowFullscreen()
{ {
RECT foreWinBounds; //get current active window
Rectangle screenBounds; IntPtr hWnd = GetForegroundWindow();
var hWnd = GetForegroundWindow();
if (!hWnd.Equals(IntPtr.Zero)) if (hWnd != null && !hWnd.Equals(IntPtr.Zero))
{ {
//if current active window is NOT desktop or shell
if (!(hWnd.Equals(HWND_DESKTOP) || hWnd.Equals(HWND_SHELL))) if (!(hWnd.Equals(HWND_DESKTOP) || hWnd.Equals(HWND_SHELL)))
{ {
GetWindowRect(hWnd, out foreWinBounds); StringBuilder sb = new StringBuilder(256);
screenBounds = Screen.FromHandle(hWnd).Bounds; GetClassName(hWnd, sb, sb.Capacity);
if ((foreWinBounds.Bottom - foreWinBounds.Top) == screenBounds.Height && (foreWinBounds.Right - foreWinBounds.Left) == screenBounds.Width) string windowClass = sb.ToString();
//for Win+Tab (Flip3D)
if (windowClass == WINDOW_CLASS_WINTAB)
{
return false;
}
RECT appBounds;
GetWindowRect(hWnd, out appBounds);
//for console (ConsoleWindowClass), we have to check for negative dimensions
if (windowClass == WINDOW_CLASS_CONSOLE)
{
return appBounds.Top < 0 && appBounds.Bottom < 0;
}
//for desktop (Progman or WorkerW, depends on the system), we have to check
if (windowClass == WINDOW_CLASS_PROGMAN || windowClass == WINDOW_CLASS_WORKERW)
{
IntPtr hWndDesktop = FindWindowEx(hWnd, IntPtr.Zero, "SHELLDLL_DefView", null);
hWndDesktop = FindWindowEx(hWndDesktop, IntPtr.Zero, "SysListView32", "FolderView");
if (hWndDesktop != null && !hWndDesktop.Equals(IntPtr.Zero))
{
return false;
}
}
Rectangle screenBounds = Screen.FromHandle(hWnd).Bounds;
if ((appBounds.Bottom - appBounds.Top) == screenBounds.Height && (appBounds.Right - appBounds.Left) == screenBounds.Width)
{ {
return true; return true;
} }
@ -104,7 +147,7 @@ namespace Wox.Helper
matrix = src.CompositionTarget.TransformFromDevice; matrix = src.CompositionTarget.TransformFromDevice;
} }
} }
return new Point((int) (matrix.M11*unitX), (int) (matrix.M22*unitY)); return new Point((int)(matrix.M11 * unitX), (int)(matrix.M22 * unitY));
} }