fix: float window covers the input text on top/bottom edge

Author: cabins

app/src/main/java/com/osfans/trime/ime/core/Trime.java

@@ -144,13 +144,12 @@ public void run() {
           if (mCandidateRoot == null || mCandidateRoot.getWindowToken() == null) return;
           if (!isPopupWindowEnabled) return;
 
-          final int minX = popupMarginH;
-          final int minY = popupMargin;
-
           DisplayMetrics displayMetrics = new DisplayMetrics();
           getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
-          final int maxX = displayMetrics.widthPixels - mPopupWindow.getWidth() - minX;
-          final int maxY = displayMetrics.heightPixels - mPopupWindow.getHeight() - minY;
+          final int minX = popupMarginH;
+          final int maxX = displayMetrics.widthPixels - mPopupWindow.getWidth() - popupMarginH;
+          final int minY = popupMargin + BarUtils.getStatusBarHeight() + mPopupWindow.getHeight();
+          final int maxY = displayMetrics.heightPixels - popupMargin - mPopupWindow.getHeight();
 
           int x = minX, y = minY;
           if (isWinFixed() || !isCursorUpdated) {
@@ -177,31 +176,35 @@ public void run() {
           } else {
             switch (popupWindowPos) {
               case LEFT:
-                x = (int) mPopupRectF.left;
-                y = (int) mPopupRectF.bottom + popupMargin;
-                break;
               case LEFT_UP:
                 x = (int) mPopupRectF.left;
-                y = (int) mPopupRectF.top - mPopupWindow.getHeight() - popupMargin;
                 break;
               case RIGHT:
-                x = (int) mPopupRectF.right;
-                y = (int) mPopupRectF.bottom + popupMargin;
-                break;
               case RIGHT_UP:
               default:
                 x = (int) mPopupRectF.right;
-                y = (int) mPopupRectF.top - mPopupWindow.getHeight() - popupMargin;
+            }
+            x = Math.max(minX, x);
+            x = Math.min(maxX, x);
+
+            switch (popupWindowPos) {
+              case RIGHT_UP:
+              case LEFT_UP:
+                y =
+                    ((int) mPopupRectF.top < minY)
+                        ? (int) mPopupRectF.bottom + popupMargin
+                        : (int) mPopupRectF.top - mPopupWindow.getHeight() - popupMargin;
                 break;
+              case RIGHT:
+              case LEFT:
+              default:
+                y =
+                    ((int) mPopupRectF.bottom > maxY)
+                        ? (int) mPopupRectF.top - mPopupWindow.getHeight() - popupMargin
+                        : (int) mPopupRectF.bottom + popupMargin;
             }
           }
-
-          // 只要修正一次就可以，别让悬浮窗超出了屏幕界限
-          x = Math.max(minX, x);
-          x = Math.min(maxX, x);
           y -= BarUtils.getStatusBarHeight(); // 不包含狀態欄
-          y = Math.max(minY, y);
-          y = Math.min(maxY, y);
 
           if (!mPopupWindow.isShowing()) {
             mPopupWindow.showAtLocation(mCandidateRoot, Gravity.START | Gravity.TOP, x, y);