Fix plugin window state tracking

Author: yungcomputerchair

ffrunner.c

@@ -705,13 +705,14 @@ main(int argc, char **argv)
 
     /* adjust plugin rect to the real inner size of the window */
     if (GetClientRect(hwnd, &winRect)) {
-        npWin.clipRect.top = winRect.top;
-        npWin.clipRect.bottom = winRect.bottom;
-        npWin.clipRect.left = winRect.left;
+        npWin.x = winRect.left;
+        npWin.y = winRect.top;
+        npWin.clipRect.top = 0;
+        npWin.clipRect.left = 0;
         npWin.clipRect.right = winRect.right;
-
-        npWin.height = winRect.bottom - winRect.top;
+        npWin.clipRect.bottom = winRect.bottom;
         npWin.width = winRect.right - winRect.left;
+        npWin.height = winRect.bottom - winRect.top;
     }
 
     logmsg("> NPP_SetWindowProc\n");

graphics.c

@@ -5,7 +5,8 @@ HWND hwnd;
 LRESULT CALLBACK
 window_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
-    UINT width, height;
+    RECT windowRect;
+    UINT windowState;
     PAINTSTRUCT ps;
     HDC hdc;
     Request *req;
@@ -26,14 +27,36 @@ window_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 
         EndPaint(hwnd, &ps);
         return 0;
+    case WM_MOVE:
+        if (GetClientRect(hwnd, &windowRect)) {
+            npWin.x = windowRect.left;
+            npWin.y = windowRect.top;
+        }
+
+        pluginFuncs.setwindow(&npp, &npWin);
+        /* Let DefWindowProc handle the rest. */
+        break;
     case WM_SIZE:
-        width = LOWORD(lParam);
-        height = HIWORD(lParam);
+        windowState = wParam;
+
+        npWin.clipRect.top = 0;
+        npWin.clipRect.left = 0;
+
+        if (windowState == SIZE_MINIMIZED) {
+            npWin.clipRect.right = 0;
+            npWin.clipRect.bottom = 0;
+        } else {
+            if (GetClientRect(hwnd, &windowRect)) {
+                npWin.width = windowRect.right - windowRect.left;
+                npWin.height = windowRect.bottom - windowRect.top;
+                npWin.clipRect.right = npWin.width;
+                npWin.clipRect.bottom = npWin.height;
+            }
+        }
 
-        npWin.width = npWin.clipRect.right = width;
-        npWin.height = npWin.clipRect.bottom = height;
         pluginFuncs.setwindow(&npp, &npWin);
-        return 0;
+        /* Let DefWindowProc handle the rest. */
+        break;
     }
 
     if (uMsg == ioMsg) {