Add a script to build the server without gradle

Gradle versions may sometimes cause problems. This script offers an
alternative.

app/src/screen.c

@@ -16,7 +16,7 @@
 
 // get the window size in a struct size
 static struct size
-get_native_window_size(SDL_Window *window) {
+get_window_size(SDL_Window *window) {
     int width;
     int height;
     SDL_GetWindowSize(window, &width, &height);
@@ -29,11 +29,11 @@ get_native_window_size(SDL_Window *window) {
 
 // get the windowed window size
 static struct size
-get_window_size(const struct screen *screen) {
+get_windowed_window_size(const struct screen *screen) {
     if (screen->fullscreen) {
         return screen->windowed_window_size;
     }
-    return get_native_window_size(screen->window);
+    return get_window_size(screen->window);
 }
 
 // set the window size to be applied when fullscreen is disabled
@@ -112,8 +112,8 @@ get_optimal_size(struct size current_size, struct size frame_size) {
 // same as get_optimal_size(), but read the current size from the window
 static inline struct size
 get_optimal_window_size(const struct screen *screen, struct size frame_size) {
-    struct size current_size = get_window_size(screen);
-    return get_optimal_size(current_size, frame_size);
+    struct size windowed_size = get_windowed_window_size(screen);
+    return get_optimal_size(windowed_size, frame_size);
 }
 
 // initially, there is no current size, so use the frame size as current size
@@ -229,11 +229,11 @@ prepare_for_frame(struct screen *screen, struct size new_frame_size) {
         // frame dimension changed, destroy texture
         SDL_DestroyTexture(screen->texture);
 
-        struct size current_size = get_window_size(screen);
+        struct size windowed_size = get_windowed_window_size(screen);
         struct size target_size = {
-            (uint32_t) current_size.width * new_frame_size.width
+            (uint32_t) windowed_size.width * new_frame_size.width
                     / screen->frame_size.width,
-            (uint32_t) current_size.height * new_frame_size.height
+            (uint32_t) windowed_size.height * new_frame_size.height
                     / screen->frame_size.height,
         };
         target_size = get_optimal_size(target_size, new_frame_size);
@@ -289,7 +289,7 @@ void
 screen_switch_fullscreen(struct screen *screen) {
     if (!screen->fullscreen) {
         // going to fullscreen, store the current windowed window size
-        screen->windowed_window_size = get_native_window_size(screen->window);
+        screen->windowed_window_size = get_window_size(screen->window);
     }
     uint32_t new_mode = screen->fullscreen ? 0 : SDL_WINDOW_FULLSCREEN_DESKTOP;
     if (SDL_SetWindowFullscreen(screen->window, new_mode)) {

server/build_without_gradle.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+#
+# This script generates the scrcpy binary "manually" (without gradle).
+#
+# Adapt Android platform and build tools versions (via ANDROID_PLATFORM and
+# ANDROID_BUILD_TOOLS environment variables).
+#
+# Then execute:
+#
+#     BUILD_DIR=my_build_dir ./build_without_gradle.sh
+
+set -e
+
+PLATFORM=${ANDROID_PLATFORM:-29}
+BUILD_TOOLS=${ANDROID_BUILD_TOOLS:-29.0.2}
+
+BUILD_DIR="$(realpath ${BUILD_DIR:-build_manual})"
+CLASSES_DIR="$BUILD_DIR/classes"
+SERVER_DIR=$(dirname "$0")
+SERVER_BINARY=scrcpy-server.jar
+
+echo "Platform: android-$PLATFORM"
+echo "Build-tools: $BUILD_TOOLS"
+echo "Build dir: $BUILD_DIR"
+
+rm -rf "$CLASSES_DIR" "$BUILD_DIR/$SERVER_BINARY" classes.dex
+mkdir -p "$CLASSES_DIR/com/genymobile/scrcpy"
+
+<< EOF cat > "$CLASSES_DIR/com/genymobile/scrcpy/BuildConfig.java"
+package com.genymobile.scrcpy;
+
+public final class BuildConfig {
+  public static final boolean DEBUG = false;
+}
+EOF
+
+echo "Generating java from aidl..."
+cd "$SERVER_DIR/src/main/aidl"
+"$ANDROID_HOME/build-tools/$BUILD_TOOLS/aidl" -o "$CLASSES_DIR" \
+    android/view/IRotationWatcher.aidl
+
+echo "Compiling java sources..."
+cd ../java
+javac -bootclasspath "$ANDROID_HOME/platforms/android-$PLATFORM/android.jar" \
+    -cp "$CLASSES_DIR" -d "$CLASSES_DIR" -source 1.8 -target 1.8 \
+    com/genymobile/scrcpy/*.java \
+    com/genymobile/scrcpy/wrappers/*.java
+
+echo "Dexing..."
+cd "$CLASSES_DIR"
+"$ANDROID_HOME/build-tools/$BUILD_TOOLS/dx" --dex \
+    --output "$BUILD_DIR/classes.dex" \
+    android/view/*.class \
+    com/genymobile/scrcpy/*.class \
+    com/genymobile/scrcpy/wrappers/*.class
+
+echo "Archiving..."
+cd "$BUILD_DIR"
+jar cvf "$SERVER_BINARY" classes.dex
+rm -rf classes.dex classes
+
+echo "Server generated in $BUILD_DIR/scrcpy-server.jar"

server/src/main/java/com/genymobile/scrcpy/Controller.java

@@ -82,7 +82,7 @@ public class Controller {
                 injectText(msg.getText());
                 break;
             case ControlMessage.TYPE_INJECT_TOUCH_EVENT:
-                injectTouch(msg.getAction(), msg.getPointerId(), msg.getPosition(), msg.getPressure(), 0);
+                injectTouch(msg.getAction(), msg.getPointerId(), msg.getPosition(), msg.getPressure(), msg.getButtons());
                 break;
             case ControlMessage.TYPE_INJECT_SCROLL_EVENT:
                 injectScroll(msg.getPosition(), msg.getHScroll(), msg.getVScroll());
@@ -177,7 +177,7 @@ public class Controller {
         }
 
         MotionEvent event = MotionEvent.obtain(lastTouchDown, now, action, pointerCount, pointerProperties,
-                pointerCoords, 0, 0, 1f, 1f, 0, 0, InputDevice.SOURCE_TOUCHSCREEN, 0);
+                pointerCoords, 0, buttons, 1f, 1f, 0, 0, InputDevice.SOURCE_TOUCHSCREEN, 0);
         return injectEvent(event);
     }