Always prefer text events by default

This improves text input, but it breaks the expected behavior in games
again: <#87>.

To get the previous behavior back, pass an explicit option:

    scrcpy --prefer-text-events=non-alpha

Author: rom1v

app/scrcpy.1

@@ -69,7 +69,7 @@ Possible \fImode\fRs are "always" (every text is sent as text), "non-alpha"
 (only letters are sent as a sequence of key events, other characters are sent
 as text) and "never" (every text is sent as a sequence of key events).
 
-Default is "non-alpha".
+Default is "always".
 
 .TP
 .BI "\-\-push\-target " path

app/src/main.c

@@ -73,10 +73,10 @@ static void usage(const char *arg0) {
         "        device.\n"
         "        Possible values are:\n"
         "          always:\n"
-        "            Every text is sent as text.\n"
+        "            Every text is sent as text. (default)\n"
         "          non-alpha:\n"
         "            Only letters are sent as a sequence of key events, other\n"
-        "            characters are sent as text. (default)\n"
+        "            characters are sent as text.\n"
         "          never:\n"
         "            Every text is sent as a sequence of key events.\n"
         "\n"

app/src/scrcpy.h

@@ -35,7 +35,7 @@ struct scrcpy_options {
     .window_title = NULL, \
     .push_target = NULL, \
     .record_format = RECORDER_FORMAT_AUTO, \
-    .text_events_pref = PREFER_TEXT_EVENTS_NON_ALPHA, \
+    .text_events_pref = PREFER_TEXT_EVENTS_ALWAYS, \
     .port = DEFAULT_LOCAL_PORT, \
     .max_size = DEFAULT_LOCAL_PORT, \
     .bit_rate = DEFAULT_BIT_RATE, \