Add option --window-title

Add an option to set a custom window title.

Signed-off-by: Romain Vimont <rom@rom1v.com>

app/src/main.c

@@ -17,6 +17,7 @@ struct args {
     const char *serial;
     const char *crop;
     const char *record_filename;
+    const char *window_title;
     enum recorder_format record_format;
     bool fullscreen;
     bool no_control;
@@ -103,6 +104,9 @@ static void usage(const char *arg0) {
         "    -v, --version\n"
         "        Print the version of scrcpy.\n"
         "\n"
+        "    --window-title text\n"
+        "        Set a custom window title.\n"
+        "\n"
         "Shortcuts:\n"
         "\n"
         "    Ctrl+f\n"
@@ -295,6 +299,7 @@ guess_record_format(const char *filename) {
 }
 
 #define OPT_RENDER_EXPIRED_FRAMES 1000
+#define OPT_WINDOW_TITLE          1001
 
 static bool
 parse_args(struct args *args, int argc, char *argv[]) {
@@ -316,6 +321,8 @@ parse_args(struct args *args, int argc, char *argv[]) {
         {"show-touches",          no_argument,       NULL, 't'},
         {"turn-screen-off",       no_argument,       NULL, 'S'},
         {"version",               no_argument,       NULL, 'v'},
+        {"window-title",          required_argument, NULL,
+                                                 OPT_WINDOW_TITLE},
         {NULL,                    0,                 NULL, 0  },
     };
     int c;
@@ -378,6 +385,9 @@ parse_args(struct args *args, int argc, char *argv[]) {
             case OPT_RENDER_EXPIRED_FRAMES:
                 args->render_expired_frames = true;
                 break;
+            case OPT_WINDOW_TITLE:
+                args->window_title = optarg;
+                break;
             default:
                 // getopt prints the error message on stderr
                 return false;
@@ -434,6 +444,7 @@ main(int argc, char *argv[]) {
         .serial = NULL,
         .crop = NULL,
         .record_filename = NULL,
+        .window_title = NULL,
         .record_format = 0,
         .help = false,
         .version = false,
@@ -478,6 +489,7 @@ main(int argc, char *argv[]) {
         .crop = args.crop,
         .port = args.port,
         .record_filename = args.record_filename,
+        .window_title = args.window_title,
         .record_format = args.record_format,
         .max_size = args.max_size,
         .bit_rate = args.bit_rate,

app/src/scrcpy.c

@@ -380,7 +380,10 @@ scrcpy(const struct scrcpy_options *options) {
             controller_started = true;
         }
 
-        if (!screen_init_rendering(&screen, device_name, frame_size,
+        const char *window_title =
+            options->window_title ? options->window_title : device_name;
+
+        if (!screen_init_rendering(&screen, window_title, frame_size,
                                    options->always_on_top)) {
             goto end;
         }

app/src/scrcpy.h

@@ -9,6 +9,7 @@ struct scrcpy_options {
     const char *serial;
     const char *crop;
     const char *record_filename;
+    const char *window_title;
     enum recorder_format record_format;
     uint16_t port;
     uint16_t max_size;

app/src/screen.c

@@ -134,7 +134,7 @@ create_texture(SDL_Renderer *renderer, struct size frame_size) {
 }
 
 bool
-screen_init_rendering(struct screen *screen, const char *device_name,
+screen_init_rendering(struct screen *screen, const char *window_title,
                       struct size frame_size, bool always_on_top) {
     screen->frame_size = frame_size;
 
@@ -152,7 +152,7 @@ screen_init_rendering(struct screen *screen, const char *device_name,
 #endif
     }
 
-    screen->window = SDL_CreateWindow(device_name, SDL_WINDOWPOS_UNDEFINED,
+    screen->window = SDL_CreateWindow(window_title, SDL_WINDOWPOS_UNDEFINED,
                                       SDL_WINDOWPOS_UNDEFINED,
                                       window_size.width, window_size.height,
                                       window_flags);

app/src/screen.h

@@ -44,7 +44,7 @@ screen_init(struct screen *screen);
 
 // initialize screen, create window, renderer and texture (window is hidden)
 bool
-screen_init_rendering(struct screen *screen, const char *device_name,
+screen_init_rendering(struct screen *screen, const char *window_title,
                       struct size frame_size, bool always_on_top);
 
 // show the window