Increase clipboard size from 4k to 256k

Beyond 256k, SDL_GetClipboardText() returns an empty string on my
computer.

Fixes #1117 <https://github.com/Genymobile/scrcpy/issues/1117>

app/src/control_msg.h

@@ -10,7 +10,7 @@
 #include "android/keycodes.h"
 #include "common.h"
 
-#define CONTROL_MSG_MAX_SIZE 4096
+#define CONTROL_MSG_MAX_SIZE (1 << 18) // 256k
 
 #define CONTROL_MSG_INJECT_TEXT_MAX_LENGTH 300
 // type: 1 byte; paste flag: 1 byte; length: 4 bytes

app/src/device_msg.h

@@ -7,7 +7,7 @@
 
 #include "config.h"
 
-#define DEVICE_MSG_MAX_SIZE 4096
+#define DEVICE_MSG_MAX_SIZE (1 << 18) // 256k
 // type: 1 byte; length: 4 bytes
 #define DEVICE_MSG_TEXT_MAX_LENGTH (DEVICE_MSG_MAX_SIZE - 5)
 

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

@@ -14,7 +14,7 @@ public class ControlMessageReader {
     static final int SET_SCREEN_POWER_MODE_PAYLOAD_LENGTH = 1;
     static final int SET_CLIPBOARD_FIXED_PAYLOAD_LENGTH = 1;
 
-    private static final int MESSAGE_MAX_SIZE = 4096;
+    private static final int MESSAGE_MAX_SIZE = 1 << 18; // 256k
 
     public static final int CLIPBOARD_TEXT_MAX_LENGTH = MESSAGE_MAX_SIZE - 6; // type: 1 byte; paste flag: 1 byte; length: 4 bytes
     public static final int INJECT_TEXT_MAX_LENGTH = 300;

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

@@ -7,7 +7,7 @@ import java.nio.charset.StandardCharsets;
 
 public class DeviceMessageWriter {
 
-    private static final int MESSAGE_MAX_SIZE = 4096;
+    private static final int MESSAGE_MAX_SIZE = 1 << 18; // 256k
     public static final int CLIPBOARD_TEXT_MAX_LENGTH = MESSAGE_MAX_SIZE - 5; // type: 1 byte; length: 4 bytes
 
     private final byte[] rawBuffer = new byte[MESSAGE_MAX_SIZE];