Add mouse shortcut to expand settings panel

Double-click on extra mouse button to open the settings panel (a
single-click opens the notification panel).

This is consistent with the keyboard shortcut MOD+n+n.

PR #2264 <https://github.com/Genymobile/scrcpy/pull/2264>

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

app/src/control_msg.c

@@ -81,7 +81,8 @@ control_msg_serialize(const struct control_msg *msg, unsigned char *buf) {
             buf[1] = msg->set_screen_power_mode.mode;
             return 2;
         case CONTROL_MSG_TYPE_EXPAND_NOTIFICATION_PANEL:
-        case CONTROL_MSG_TYPE_COLLAPSE_NOTIFICATION_PANEL:
+        case CONTROL_MSG_TYPE_EXPAND_SETTINGS_PANEL:
+        case CONTROL_MSG_TYPE_COLLAPSE_PANELS:
         case CONTROL_MSG_TYPE_GET_CLIPBOARD:
         case CONTROL_MSG_TYPE_ROTATE_DEVICE:
             // no additional data

app/src/control_msg.h

@@ -27,7 +27,8 @@ enum control_msg_type {
     CONTROL_MSG_TYPE_INJECT_SCROLL_EVENT,
     CONTROL_MSG_TYPE_BACK_OR_SCREEN_ON,
     CONTROL_MSG_TYPE_EXPAND_NOTIFICATION_PANEL,
-    CONTROL_MSG_TYPE_COLLAPSE_NOTIFICATION_PANEL,
+    CONTROL_MSG_TYPE_EXPAND_SETTINGS_PANEL,
+    CONTROL_MSG_TYPE_COLLAPSE_PANELS,
     CONTROL_MSG_TYPE_GET_CLIPBOARD,
     CONTROL_MSG_TYPE_SET_CLIPBOARD,
     CONTROL_MSG_TYPE_SET_SCREEN_POWER_MODE,

app/src/input_manager.c

@@ -72,6 +72,10 @@ input_manager_init(struct input_manager *im,
     im->sdl_shortcut_mods.count = shortcut_mods->count;
 
     im->vfinger_down = false;
+
+    im->last_keycode = SDLK_UNKNOWN;
+    im->last_mod = 0;
+    im->key_repeat = 0;
 }
 
 static void
@@ -179,9 +183,19 @@ expand_notification_panel(struct controller *controller) {
 }
 
 static void
-collapse_notification_panel(struct controller *controller) {
+expand_settings_panel(struct controller *controller) {
     struct control_msg msg;
-    msg.type = CONTROL_MSG_TYPE_COLLAPSE_NOTIFICATION_PANEL;
+    msg.type = CONTROL_MSG_TYPE_EXPAND_SETTINGS_PANEL;
+
+    if (!controller_push_msg(controller, &msg)) {
+        LOGW("Could not request 'expand settings panel'");
+    }
+}
+
+static void
+collapse_panels(struct controller *controller) {
+    struct control_msg msg;
+    msg.type = CONTROL_MSG_TYPE_COLLAPSE_PANELS;
 
     if (!controller_push_msg(controller, &msg)) {
         LOGW("Could not request 'collapse notification panel'");
@@ -384,16 +398,27 @@ input_manager_process_key(struct input_manager *im,
     // control: indicates the state of the command-line option --no-control
     bool control = im->control;
 
-    bool smod = is_shortcut_mod(im, event->keysym.mod);
-
     struct controller *controller = im->controller;
 
     SDL_Keycode keycode = event->keysym.sym;
+    uint16_t mod = event->keysym.mod;
     bool down = event->type == SDL_KEYDOWN;
     bool ctrl = event->keysym.mod & KMOD_CTRL;
     bool shift = event->keysym.mod & KMOD_SHIFT;
     bool repeat = event->repeat;
 
+    bool smod = is_shortcut_mod(im, mod);
+
+    if (down && !repeat) {
+        if (keycode == im->last_keycode && mod == im->last_mod) {
+            ++im->key_repeat;
+        } else {
+            im->key_repeat = 0;
+            im->last_keycode = keycode;
+            im->last_mod = mod;
+        }
+    }
+
     // The shortcut modifier is pressed
     if (smod) {
         int action = down ? ACTION_DOWN : ACTION_UP;
@@ -498,9 +523,11 @@ input_manager_process_key(struct input_manager *im,
             case SDLK_n:
                 if (control && !repeat && down) {
                     if (shift) {
-                        collapse_notification_panel(controller);
-                    } else {
+                        collapse_panels(controller);
+                    } else if (im->key_repeat == 0) {
                         expand_notification_panel(controller);
+                    } else {
+                        expand_settings_panel(controller);
                     }
                 }
                 return;
@@ -661,6 +688,18 @@ input_manager_process_mouse_button(struct input_manager *im,
     if (!im->forward_all_clicks) {
         int action = down ? ACTION_DOWN : ACTION_UP;
 
+        if (control && event->button == SDL_BUTTON_X1) {
+            action_app_switch(im->controller, action);
+            return;
+        }
+        if (control && event->button == SDL_BUTTON_X2 && down) {
+            if (event->clicks < 2) {
+                expand_notification_panel(im->controller);
+            } else {
+                expand_settings_panel(im->controller);
+            }
+            return;
+        }
         if (control && event->button == SDL_BUTTON_RIGHT) {
             press_back_or_turn_screen_on(im->controller, action);
             return;

app/src/input_manager.h

@@ -33,6 +33,13 @@ struct input_manager {
     } sdl_shortcut_mods;
 
     bool vfinger_down;
+
+    // Tracks the number of identical consecutive shortcut key down events.
+    // Not to be confused with event->repeat, which counts the number of
+    // system-generated repeated key presses.
+    unsigned key_repeat;
+    SDL_Keycode last_keycode;
+    uint16_t last_mod;
 };
 
 void

app/tests/test_control_msg_serialize.c

@@ -177,9 +177,9 @@ static void test_serialize_expand_notification_panel(void) {
     assert(!memcmp(buf, expected, sizeof(expected)));
 }
 
-static void test_serialize_collapse_notification_panel(void) {
+static void test_serialize_expand_settings_panel(void) {
     struct control_msg msg = {
-        .type = CONTROL_MSG_TYPE_COLLAPSE_NOTIFICATION_PANEL,
+        .type = CONTROL_MSG_TYPE_EXPAND_SETTINGS_PANEL,
     };
 
     unsigned char buf[CONTROL_MSG_MAX_SIZE];
@@ -187,7 +187,22 @@ static void test_serialize_collapse_notification_panel(void) {
     assert(size == 1);
 
     const unsigned char expected[] = {
-        CONTROL_MSG_TYPE_COLLAPSE_NOTIFICATION_PANEL,
+        CONTROL_MSG_TYPE_EXPAND_SETTINGS_PANEL,
+    };
+    assert(!memcmp(buf, expected, sizeof(expected)));
+}
+
+static void test_serialize_collapse_panels(void) {
+    struct control_msg msg = {
+        .type = CONTROL_MSG_TYPE_COLLAPSE_PANELS,
+    };
+
+    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    size_t size = control_msg_serialize(&msg, buf);
+    assert(size == 1);
+
+    const unsigned char expected[] = {
+        CONTROL_MSG_TYPE_COLLAPSE_PANELS,
     };
     assert(!memcmp(buf, expected, sizeof(expected)));
 }
@@ -274,7 +289,8 @@ int main(int argc, char *argv[]) {
     test_serialize_inject_scroll_event();
     test_serialize_back_or_screen_on();
     test_serialize_expand_notification_panel();
-    test_serialize_collapse_notification_panel();
+    test_serialize_expand_settings_panel();
+    test_serialize_collapse_panels();
     test_serialize_get_clipboard();
     test_serialize_set_clipboard();
     test_serialize_set_screen_power_mode();

server/src/main/java/com/genymobile/scrcpy/ControlMessage.java

@@ -11,11 +11,12 @@ public final class ControlMessage {
     public static final int TYPE_INJECT_SCROLL_EVENT = 3;
     public static final int TYPE_BACK_OR_SCREEN_ON = 4;
     public static final int TYPE_EXPAND_NOTIFICATION_PANEL = 5;
-    public static final int TYPE_COLLAPSE_NOTIFICATION_PANEL = 6;
-    public static final int TYPE_GET_CLIPBOARD = 7;
-    public static final int TYPE_SET_CLIPBOARD = 8;
-    public static final int TYPE_SET_SCREEN_POWER_MODE = 9;
-    public static final int TYPE_ROTATE_DEVICE = 10;
+    public static final int TYPE_EXPAND_SETTINGS_PANEL = 6;
+    public static final int TYPE_COLLAPSE_PANELS = 7;
+    public static final int TYPE_GET_CLIPBOARD = 8;
+    public static final int TYPE_SET_CLIPBOARD = 9;
+    public static final int TYPE_SET_SCREEN_POWER_MODE = 10;
+    public static final int TYPE_ROTATE_DEVICE = 11;
 
     private int type;
     private String text;

server/src/main/java/com/genymobile/scrcpy/ControlMessageReader.java

@@ -77,7 +77,8 @@ public class ControlMessageReader {
                 msg = parseSetScreenPowerMode();
                 break;
             case ControlMessage.TYPE_EXPAND_NOTIFICATION_PANEL:
-            case ControlMessage.TYPE_COLLAPSE_NOTIFICATION_PANEL:
+            case ControlMessage.TYPE_EXPAND_SETTINGS_PANEL:
+            case ControlMessage.TYPE_COLLAPSE_PANELS:
             case ControlMessage.TYPE_GET_CLIPBOARD:
             case ControlMessage.TYPE_ROTATE_DEVICE:
                 msg = ControlMessage.createEmpty(type);

server/src/main/java/com/genymobile/scrcpy/Controller.java

@@ -107,7 +107,10 @@ public class Controller {
             case ControlMessage.TYPE_EXPAND_NOTIFICATION_PANEL:
                 Device.expandNotificationPanel();
                 break;
-            case ControlMessage.TYPE_COLLAPSE_NOTIFICATION_PANEL:
+            case ControlMessage.TYPE_EXPAND_SETTINGS_PANEL:
+                Device.expandSettingsPanel();
+                break;
+            case ControlMessage.TYPE_COLLAPSE_PANELS:
                 Device.collapsePanels();
                 break;
             case ControlMessage.TYPE_GET_CLIPBOARD:

server/src/main/java/com/genymobile/scrcpy/Device.java

@@ -227,6 +227,10 @@ public final class Device {
         SERVICE_MANAGER.getStatusBarManager().expandNotificationsPanel();
     }
 
+    public static void expandSettingsPanel() {
+        SERVICE_MANAGER.getStatusBarManager().expandSettingsPanel();
+    }
+
     public static void collapsePanels() {
         SERVICE_MANAGER.getStatusBarManager().collapsePanels();
     }

server/src/main/java/com/genymobile/scrcpy/wrappers/StatusBarManager.java

@@ -11,6 +11,8 @@ public class StatusBarManager {
 
     private final IInterface manager;
     private Method expandNotificationsPanelMethod;
+    private Method expandSettingsPanelMethod;
+    private boolean expandSettingsPanelMethodLegacy;
     private Method collapsePanelsMethod;
 
     public StatusBarManager(IInterface manager) {
@@ -24,6 +26,20 @@ public class StatusBarManager {
         return expandNotificationsPanelMethod;
     }
 
+    private Method getExpandSettingsPanel() throws NoSuchMethodException {
+        if (expandSettingsPanelMethod == null) {
+            try {
+                // Since Android 7: https://android.googlesource.com/platform/frameworks/base.git/+/a9927325eda025504d59bb6594fee8e240d95b01%5E%21/
+                expandSettingsPanelMethod = manager.getClass().getMethod("expandSettingsPanel", String.class);
+            } catch (NoSuchMethodException e) {
+                // old version
+                expandSettingsPanelMethod = manager.getClass().getMethod("expandSettingsPanel");
+                expandSettingsPanelMethodLegacy = true;
+            }
+        }
+        return expandSettingsPanelMethod;
+    }
+
     private Method getCollapsePanelsMethod() throws NoSuchMethodException {
         if (collapsePanelsMethod == null) {
             collapsePanelsMethod = manager.getClass().getMethod("collapsePanels");
@@ -40,6 +56,21 @@ public class StatusBarManager {
         }
     }
 
+    public void expandSettingsPanel() {
+        try {
+            Method method = getExpandSettingsPanel();
+            if (!expandSettingsPanelMethodLegacy) {
+                // new version
+                method.invoke(manager, (Object) null);
+            } else {
+                // old version
+                method.invoke(manager);
+            }
+        } catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException e) {
+            Ln.e("Could not invoke method", e);
+        }
+    }
+
     public void collapsePanels() {
         try {
             Method method = getCollapsePanelsMethod();

server/src/test/java/com/genymobile/scrcpy/ControlMessageReaderTest.java

@@ -162,7 +162,7 @@ public class ControlMessageReaderTest {
         ControlMessage event = reader.next();
 
         Assert.assertEquals(ControlMessage.TYPE_BACK_OR_SCREEN_ON, event.getType());
-        Assert.assertEquals(KeyEvent.ACTION_DOWN, event.getAction());
+        Assert.assertEquals(KeyEvent.ACTION_UP, event.getAction());
     }
 
     @Test
@@ -182,19 +182,35 @@ public class ControlMessageReaderTest {
     }
 
     @Test
-    public void testParseCollapseNotificationPanelEvent() throws IOException {
+    public void testParseExpandSettingsPanelEvent() throws IOException {
         ControlMessageReader reader = new ControlMessageReader();
 
         ByteArrayOutputStream bos = new ByteArrayOutputStream();
         DataOutputStream dos = new DataOutputStream(bos);
-        dos.writeByte(ControlMessage.TYPE_COLLAPSE_NOTIFICATION_PANEL);
+        dos.writeByte(ControlMessage.TYPE_EXPAND_SETTINGS_PANEL);
 
         byte[] packet = bos.toByteArray();
 
         reader.readFrom(new ByteArrayInputStream(packet));
         ControlMessage event = reader.next();
 
-        Assert.assertEquals(ControlMessage.TYPE_COLLAPSE_NOTIFICATION_PANEL, event.getType());
+        Assert.assertEquals(ControlMessage.TYPE_EXPAND_SETTINGS_PANEL, event.getType());
+    }
+
+    @Test
+    public void testParseCollapsePanelsEvent() throws IOException {
+        ControlMessageReader reader = new ControlMessageReader();
+
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(bos);
+        dos.writeByte(ControlMessage.TYPE_COLLAPSE_PANELS);
+
+        byte[] packet = bos.toByteArray();
+
+        reader.readFrom(new ByteArrayInputStream(packet));
+        ControlMessage event = reader.next();
+
+        Assert.assertEquals(ControlMessage.TYPE_COLLAPSE_PANELS, event.getType());
     }
 
     @Test