refact virtual display

Signed-off-by: fufesou <shuanglongchen@yeah.net>

libs/hbb_common/src/config.rs

@@ -1141,8 +1141,6 @@ pub struct LocalConfig {
     // Various data for flutter ui
     #[serde(default)]
     ui_flutter: HashMap<String, String>,
-    #[serde(default)]
-    virtual_display_num: usize,
 }
 
 impl LocalConfig {
@@ -1245,19 +1243,6 @@ impl LocalConfig {
             config.store();
         }
     }
-
-    pub fn get_virtual_display_num() -> usize {
-        LOCAL_CONFIG.read().unwrap().virtual_display_num
-    }
-
-    pub fn set_virtual_display_num(virtual_display_num: usize) {
-        let mut lock = LOCAL_CONFIG.write().unwrap();
-        if lock.virtual_display_num == virtual_display_num {
-            return;
-        }
-        lock.virtual_display_num = virtual_display_num;
-        lock.store();
-    }
 }
 
 #[derive(Debug, Default, Serialize, Deserialize, Clone)]

libs/virtual_display/examples/virtual_display_1.rs

@@ -3,7 +3,7 @@ use virtual_display;
 
 fn prompt_input() -> u8 {
     println!("Press  key          execute:");
-    println!("       1. 'x'       1. exit");
+    println!("       1. 'q'       1. quit");
     println!("       2. 'i'       2. install or update driver");
     println!("       3. 'u'       3. uninstall driver");
     println!("       4. 'c'       4. create device");
@@ -40,7 +40,7 @@ fn main() {
     loop {
         let chr = prompt_input();
         match chr as char {
-            'x' => break,
+            'q' => break,
             'i' => {
                 println!("Install or update driver begin");
                 let mut reboot_required = false;

libs/virtual_display/src/lib.rs

@@ -47,7 +47,10 @@ macro_rules! make_lib_wrapper {
 
                 $(let $field = if let Some(lib) = &lib {
                     match unsafe { lib.symbol::<$tp>(stringify!($field)) } {
-                        Ok(m) => Some(*m),
+                        Ok(m) => {
+                            log::info!("method found {}", stringify!($field));
+                            Some(*m)
+                        },
                         Err(e) => {
                             log::warn!("Failed to load func {}, {}", stringify!($field), e);
                             None