ANDROID: implemented support for editing with the system keypad

- Fixes for Pixel 9/Android 16

Author: Chris Warren-Smith

src/platform/android/app/build.gradle

@@ -9,7 +9,7 @@ android {
     applicationId 'net.sourceforge.smallbasic'
     minSdkVersion 21
     targetSdkVersion 36
-    versionCode 85
+    versionCode 87
     versionName '12.31'
     resourceConfigurations += ['en']
   }

src/platform/android/app/src/main/java/net/sourceforge/smallbasic/MainActivity.java

@@ -1084,16 +1084,18 @@ private void setupInsetBaseOnResize() {
         @NonNull
         @Override
         public WindowInsetsCompat onApplyWindowInsets(@NonNull View view, @NonNull WindowInsetsCompat insets) {
-          Log.d(TAG, "onApplyWindowInsets");
           Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
           Insets navInsets = insets.getInsets(WindowInsetsCompat.Type.navigationBars());
           Insets ime = insets.getInsets(WindowInsetsCompat.Type.ime());
           boolean imeVisible = insets.isVisible(WindowInsetsCompat.Type.ime());
-          view.setPadding(0, 0, navInsets.right, navInsets.bottom);
           int bottomInset = Math.max(systemBars.bottom, ime.bottom);
-          int width = view.getWidth();
-          int height = view.getHeight() - systemBars.top - bottomInset;
-          onResize(width, height, imeVisible ? 1 : -1);
+          int width = view.getWidth() - navInsets.right;
+          int height = view.getHeight() - (systemBars.top + bottomInset);
+          view.setPadding(0, 0, navInsets.right, navInsets.bottom);
+          if (width > 0 && height > 0) {
+            // ignore spurious transitional values
+            onResize(width, height, imeVisible ? 1 : -1);
+          }
           return insets;
         }
       });

src/platform/android/jni/display.cpp

@@ -53,7 +53,7 @@ bool Canvas::create(int w, int h) {
   return result;
 }
 
-void Canvas::drawRegion(Canvas *src, const MARect *srcRect, int destX, int destY) {
+void Canvas::drawRegion(Canvas *src, const MARect *srcRect, int destX, int destY) const {
   int srcH = srcRect->height;
   if (srcRect->top + srcRect->height > src->_h) {
     srcH = src->_h - srcRect->top;
@@ -65,7 +65,7 @@ void Canvas::drawRegion(Canvas *src, const MARect *srcRect, int destX, int destY
   }
 }
 
-void Canvas::fillRect(int left, int top, int width, int height, pixel_t drawColor) {
+void Canvas::fillRect(int left, int top, int width, int height, pixel_t drawColor) const {
   int dtX = x();
   int dtY = y();
   uint8_t dR, dG, dB;

src/ui/canvas.h

@@ -46,8 +46,8 @@ struct Canvas {
   virtual ~Canvas();
 
   bool create(int w, int h);
-  void drawRegion(Canvas *src, const MARect *srcRect, int dstx, int dsty);
-  void fillRect(int x, int y, int w, int h, pixel_t color);
+  void drawRegion(Canvas *src, const MARect *srcRect, int dstx, int dsty) const;
+  void fillRect(int x, int y, int w, int h, pixel_t color) const;
   void setClip(int x, int y, int w, int h);
   pixel_t *getLine(int y) const { return _pixels + (y * _w); }
   int x() const { return _clip ? _clip->left : 0; }