simplify_settings

app/src/hid/hid_mouse.c

@@ -166,12 +166,6 @@ sc_hid_buttons_from_buttons_state(uint8_t buttons_state) {
     return c;
 }
 
-void
-sc_hid_mouse_init(struct sc_hid_mouse *hid) {
-    hid->residual_hscroll = 0;
-    hid->residual_vscroll = 0;
-}
-
 void
 sc_hid_mouse_generate_input_from_motion(struct sc_hid_input *hid_input,
                                     const struct sc_mouse_motion_event *event) {
@@ -198,37 +192,22 @@ sc_hid_mouse_generate_input_from_click(struct sc_hid_input *hid_input,
     data[4] = 0; // no horizontal scrolling
 }
 
-static int8_t
-consume_scroll_integer(float *scroll) {
-    float value = CLAMP(*scroll, -127, 127);
-    int8_t consume = value; // truncate towards 0
-    float residual = value - consume;
-    *scroll = residual;
-    return consume;
-}
-
 bool
-sc_hid_mouse_generate_input_from_scroll(struct sc_hid_mouse *hid,
-                                        struct sc_hid_input *hid_input,
+sc_hid_mouse_generate_input_from_scroll(struct sc_hid_input *hid_input,
                                     const struct sc_mouse_scroll_event *event) {
-    sc_hid_mouse_input_init(hid_input);
-
-    hid->residual_hscroll += event->hscroll;
-    hid->residual_vscroll += event->vscroll;
-    int8_t hscroll = consume_scroll_integer(&hid->residual_hscroll);
-    int8_t vscroll = consume_scroll_integer(&hid->residual_vscroll);
-
-    if (!hscroll && !vscroll) {
-        // Not enough scrolling to inject a scroll event
+    if (!event->vscroll_int && !event->hscroll_int) {
+        // Need a full integral value for HID
         return false;
     }
 
+    sc_hid_mouse_input_init(hid_input);
+
     uint8_t *data = hid_input->data;
     data[0] = 0; // buttons state irrelevant (and unknown)
     data[1] = 0; // no x motion
     data[2] = 0; // no y motion
-    data[3] = vscroll;
-    data[4] = hscroll;
+    data[3] = CLAMP(event->vscroll_int, -127, 127);
+    data[4] = CLAMP(event->hscroll_int, -127, 127);
     return true;
 }
 

app/src/hid/hid_mouse.h

@@ -8,13 +8,6 @@
 
 #define SC_HID_ID_MOUSE 2
 
-struct sc_hid_mouse {
-    float residual_hscroll;
-    float residual_vscroll;
-};
-
-void sc_hid_mouse_init(struct sc_hid_mouse *hid);
-
 void
 sc_hid_mouse_generate_open(struct sc_hid_open *hid_open);
 
@@ -30,8 +23,7 @@ sc_hid_mouse_generate_input_from_click(struct sc_hid_input *hid_input,
                                     const struct sc_mouse_click_event *event);
 
 bool
-sc_hid_mouse_generate_input_from_scroll(struct sc_hid_mouse *hid,
-                                        struct sc_hid_input *hid_input,
+sc_hid_mouse_generate_input_from_scroll(struct sc_hid_input *hid_input,
                                     const struct sc_mouse_scroll_event *event);
 
 #endif

app/src/input_events.h

@@ -393,6 +393,8 @@ struct sc_mouse_scroll_event {
     struct sc_position position;
     float hscroll;
     float vscroll;
+    int32_t hscroll_int;
+    int32_t vscroll_int;
     uint8_t buttons_state; // bitwise-OR of sc_mouse_button values
 };
 

app/src/input_manager.c

@@ -903,6 +903,8 @@ sc_input_manager_process_mouse_wheel(struct sc_input_manager *im,
         .hscroll = event->x,
         .vscroll = event->y,
 #endif
+        .hscroll_int = event->x,
+        .vscroll_int = event->y,
         .buttons_state = im->mouse_buttons_state,
     };
 

app/src/uhid/mouse_uhid.c

@@ -55,8 +55,7 @@ sc_mouse_processor_process_mouse_scroll(struct sc_mouse_processor *mp,
     struct sc_mouse_uhid *mouse = DOWNCAST(mp);
 
     struct sc_hid_input hid_input;
-    if (!sc_hid_mouse_generate_input_from_scroll(&mouse->hid, &hid_input,
-                                                 event)) {
+    if (!sc_hid_mouse_generate_input_from_scroll(&hid_input, event)) {
         return;
     }
 
@@ -66,8 +65,6 @@ sc_mouse_processor_process_mouse_scroll(struct sc_mouse_processor *mp,
 bool
 sc_mouse_uhid_init(struct sc_mouse_uhid *mouse,
                    struct sc_controller *controller) {
-    sc_hid_mouse_init(&mouse->hid);
-
     mouse->controller = controller;
 
     static const struct sc_mouse_processor_ops ops = {

app/src/uhid/mouse_uhid.h

@@ -4,13 +4,11 @@
 #include <stdbool.h>
 
 #include "controller.h"
-#include "hid/hid_mouse.h"
 #include "trait/mouse_processor.h"
 
 struct sc_mouse_uhid {
     struct sc_mouse_processor mouse_processor; // mouse processor trait
 
-    struct sc_hid_mouse hid;
     struct sc_controller *controller;
 };
 

app/src/usb/mouse_aoa.c

@@ -42,8 +42,7 @@ sc_mouse_processor_process_mouse_scroll(struct sc_mouse_processor *mp,
     struct sc_mouse_aoa *mouse = DOWNCAST(mp);
 
     struct sc_hid_input hid_input;
-    if (!sc_hid_mouse_generate_input_from_scroll(&mouse->hid, &hid_input,
-                                                 event)) {
+    if (!sc_hid_mouse_generate_input_from_scroll(&hid_input, event)) {
         return;
     }
 
@@ -65,8 +64,6 @@ sc_mouse_aoa_init(struct sc_mouse_aoa *mouse, struct sc_aoa *aoa) {
         return false;
     }
 
-    sc_hid_mouse_init(&mouse->hid);
-
     static const struct sc_mouse_processor_ops ops = {
         .process_mouse_motion = sc_mouse_processor_process_mouse_motion,
         .process_mouse_click = sc_mouse_processor_process_mouse_click,

app/src/usb/mouse_aoa.h

@@ -6,13 +6,11 @@
 #include <stdbool.h>
 
 #include "usb/aoa_hid.h"
-#include "hid/hid_mouse.h"
 #include "trait/mouse_processor.h"
 
 struct sc_mouse_aoa {
     struct sc_mouse_processor mouse_processor; // mouse processor trait
 
-    struct sc_hid_mouse hid;
     struct sc_aoa *aoa;
 };
 

app/src/usb/screen_otg.c

@@ -171,6 +171,8 @@ sc_screen_otg_process_mouse_wheel(struct sc_screen_otg *screen,
         .hscroll = event->x,
         .vscroll = event->y,
 #endif
+        .hscroll_int = event->x,
+        .vscroll_int = event->y,
         .buttons_state = sc_mouse_buttons_state_from_sdl(sdl_buttons_state),
     };
 

server/src/main/java/com/genymobile/scrcpy/util/Settings.java

@@ -1,13 +1,8 @@
 package com.genymobile.scrcpy.util;
 
-import com.genymobile.scrcpy.AndroidVersions;
 import com.genymobile.scrcpy.wrappers.ContentProvider;
 import com.genymobile.scrcpy.wrappers.ServiceManager;
 
-import android.os.Build;
-
-import java.io.IOException;
-
 public final class Settings {
 
     public static final String TABLE_SYSTEM = ContentProvider.TABLE_SYSTEM;
@@ -18,66 +13,26 @@ public final class Settings {
         /* not instantiable */
     }
 
-    private static void execSettingsPut(String table, String key, String value) throws SettingsException {
-        try {
-            Command.exec("settings", "put", table, key, value);
-        } catch (IOException | InterruptedException e) {
-            throw new SettingsException("put", table, key, value, e);
-        }
-    }
-
-    private static String execSettingsGet(String table, String key) throws SettingsException {
-        try {
-            return Command.execReadLine("settings", "get", table, key);
-        } catch (IOException | InterruptedException e) {
-            throw new SettingsException("get", table, key, null, e);
-        }
-    }
-
     public static String getValue(String table, String key) throws SettingsException {
-        if (Build.VERSION.SDK_INT <= AndroidVersions.API_30_ANDROID_11) {
-            // on Android >= 12, it always fails: <https://github.com/Genymobile/scrcpy/issues/2788>
-            try (ContentProvider provider = ServiceManager.getActivityManager().createSettingsProvider()) {
-                return provider.getValue(table, key);
-            } catch (SettingsException e) {
-                Ln.w("Could not get settings value via ContentProvider, fallback to settings process", e);
-            }
+        try (ContentProvider provider = ServiceManager.getActivityManager().createSettingsProvider()) {
+            return provider.getValue(table, key);
         }
-
-        return execSettingsGet(table, key);
     }
 
     public static void putValue(String table, String key, String value) throws SettingsException {
-        if (Build.VERSION.SDK_INT <= AndroidVersions.API_30_ANDROID_11) {
-            // on Android >= 12, it always fails: <https://github.com/Genymobile/scrcpy/issues/2788>
-            try (ContentProvider provider = ServiceManager.getActivityManager().createSettingsProvider()) {
-                provider.putValue(table, key, value);
-            } catch (SettingsException e) {
-                Ln.w("Could not put settings value via ContentProvider, fallback to settings process", e);
-            }
+        try (ContentProvider provider = ServiceManager.getActivityManager().createSettingsProvider()) {
+            provider.putValue(table, key, value);
         }
 
-        execSettingsPut(table, key, value);
     }
 
     public static String getAndPutValue(String table, String key, String value) throws SettingsException {
-        if (Build.VERSION.SDK_INT <= AndroidVersions.API_30_ANDROID_11) {
-            // on Android >= 12, it always fails: <https://github.com/Genymobile/scrcpy/issues/2788>
-            try (ContentProvider provider = ServiceManager.getActivityManager().createSettingsProvider()) {
-                String oldValue = provider.getValue(table, key);
-                if (!value.equals(oldValue)) {
-                    provider.putValue(table, key, value);
-                }
-                return oldValue;
-            } catch (SettingsException e) {
-                Ln.w("Could not get and put settings value via ContentProvider, fallback to settings process", e);
+        try (ContentProvider provider = ServiceManager.getActivityManager().createSettingsProvider()) {
+            String oldValue = provider.getValue(table, key);
+            if (!value.equals(oldValue)) {
+                provider.putValue(table, key, value);
             }
+            return oldValue;
         }
-
-        String oldValue = getValue(table, key);
-        if (!value.equals(oldValue)) {
-            putValue(table, key, value);
-        }
-        return oldValue;
     }
 }