Initialize input manager dynamically

The input manager was partially initialized statically, but a call to
input_manager_init() was needed anyway, so initialize all the fields
from the "constructor".

This is consistent with the initialization of the other structs.

app/src/input_manager.c

@@ -52,9 +52,13 @@ is_shortcut_mod(struct input_manager *im, uint16_t sdl_mod) {
 }
 
 void
-input_manager_init(struct input_manager *im,
+input_manager_init(struct input_manager *im, struct controller *controller,
-                   const struct scrcpy_options *options)
+                   struct screen *screen,
-{
+                   const struct scrcpy_options *options) {
+    im->controller = controller;
+    im->screen = screen;
+    im->repeat = 0;
+
     im->control = options->control;
     im->forward_key_repeat = options->forward_key_repeat;
     im->prefer_text = options->prefer_text;

app/src/input_manager.h

@@ -42,8 +42,8 @@ struct input_manager {
 };
 
 void
-input_manager_init(struct input_manager *im,
+input_manager_init(struct input_manager *im, struct controller *controller,
-                   const struct scrcpy_options *options);
+                   struct screen *screen, const struct scrcpy_options *options);
 
 bool
 input_manager_handle_event(struct input_manager *im, SDL_Event *event);

app/src/scrcpy.c

@@ -40,19 +40,7 @@ static struct sc_v4l2_sink v4l2_sink;
 #endif
 static struct controller controller;
 static struct file_handler file_handler;
-
+static struct input_manager input_manager;
-static struct input_manager input_manager = {
-    .controller = &controller,
-    .screen = &screen,
-    .repeat = 0,
-
-    // initialized later
-    .prefer_text = false,
-    .sdl_shortcut_mods = {
-        .data = {0},
-        .count = 0,
-    },
-};
 
 #ifdef _WIN32
 BOOL WINAPI windows_ctrl_handler(DWORD ctrl_type) {
@@ -422,7 +410,7 @@ scrcpy(const struct scrcpy_options *options) {
     }
     stream_started = true;
 
-    input_manager_init(&input_manager, options);
+    input_manager_init(&input_manager, &controller, &screen, options);
 
     ret = event_loop(options);
     LOGD("quit...");