keybinds: simulate mouse movement after bringing active window to top (#12703)

Fixes https://github.com/hyprwm/Hyprland/discussions/12702

hyprtester/plugin/src/main.cpp

@@ -224,6 +224,28 @@ static SDispatchResult scroll(std::string in) {
     return {};
 }
 
+static SDispatchResult click(std::string in) {
+    CVarList2 data(std::move(in));
+
+    uint32_t  button;
+    bool      pressed;
+    try {
+        button  = std::stoul(std::string{data[0]});
+        pressed = std::stoul(std::string{data[1]}) == 1;
+    } catch (...) { return {.success = false, .error = "invalid input"}; }
+
+    Log::logger->log(Log::DEBUG, "tester: mouse button {} state {}", button, pressed);
+
+    g_mouse->m_pointerEvents.button.emit(IPointer::SButtonEvent{
+        .timeMs = sc<uint32_t>(Time::millis(Time::steadyNow())),
+        .button = button,
+        .state  = pressed ? WL_POINTER_BUTTON_STATE_PRESSED : WL_POINTER_BUTTON_STATE_RELEASED,
+        .mouse  = true,
+    });
+
+    return {};
+}
+
 static SDispatchResult keybind(std::string in) {
     CVarList2 data(std::move(in));
     // 0 = release, 1 = press
@@ -283,6 +305,7 @@ APICALL EXPORT PLUGIN_DESCRIPTION_INFO PLUGIN_INIT(HANDLE handle) {
     HyprlandAPI::addDispatcherV2(PHANDLE, "plugin:test:alt", ::pressAlt);
     HyprlandAPI::addDispatcherV2(PHANDLE, "plugin:test:gesture", ::simulateGesture);
     HyprlandAPI::addDispatcherV2(PHANDLE, "plugin:test:scroll", ::scroll);
+    HyprlandAPI::addDispatcherV2(PHANDLE, "plugin:test:click", ::click);
     HyprlandAPI::addDispatcherV2(PHANDLE, "plugin:test:keybind", ::keybind);
     HyprlandAPI::addDispatcherV2(PHANDLE, "plugin:test:add_rule", ::addRule);
     HyprlandAPI::addDispatcherV2(PHANDLE, "plugin:test:check_rule", ::checkRule);

hyprtester/src/tests/main/window.cpp

@@ -373,6 +373,45 @@ static void testMaximizeSize() {
     EXPECT(Tests::windowCount(), 0);
 }
 
+static void testBringActiveToTopMouseMovement() {
+    NLog::log("{}Testing bringactivetotop mouse movement", Colors::GREEN);
+
+    Tests::killAllWindows();
+    OK(getFromSocket("/keyword input:follow_mouse 2"));
+    OK(getFromSocket("/keyword input:float_switch_override_focus 0"));
+
+    EXPECT(spawnKitty("a"), true);
+    OK(getFromSocket("/dispatch setfloating"));
+    OK(getFromSocket("/dispatch movewindowpixel exact 500 300,activewindow"));
+    OK(getFromSocket("/dispatch resizewindowpixel exact 400 400,activewindow"));
+
+    EXPECT(spawnKitty("b"), true);
+    OK(getFromSocket("/dispatch setfloating"));
+    OK(getFromSocket("/dispatch movewindowpixel exact 500 300,activewindow"));
+    OK(getFromSocket("/dispatch resizewindowpixel exact 400 400,activewindow"));
+
+    auto getTopWindow = []() -> std::string {
+        auto clients = getFromSocket("/clients");
+        return (clients.rfind("class: a") > clients.rfind("class: b")) ? "a" : "b";
+    };
+
+    EXPECT(getTopWindow(), std::string("b"));
+    OK(getFromSocket("/dispatch movecursor 700 500"));
+
+    OK(getFromSocket("/dispatch focuswindow class:a"));
+    EXPECT_CONTAINS(getFromSocket("/activewindow"), "class: a");
+
+    OK(getFromSocket("/dispatch bringactivetotop"));
+    EXPECT(getTopWindow(), std::string("a"));
+
+    OK(getFromSocket("/dispatch plugin:test:click 272,1"));
+    OK(getFromSocket("/dispatch plugin:test:click 272,0"));
+
+    EXPECT(getTopWindow(), std::string("a"));
+
+    Tests::killAllWindows();
+}
+
 static bool test() {
     NLog::log("{}Testing windows", Colors::GREEN);
 
@@ -806,6 +845,8 @@ static bool test() {
 
     testMaximizeSize();
 
+    testBringActiveToTopMouseMovement();
+
     NLog::log("{}Reloading config", Colors::YELLOW);
     OK(getFromSocket("/reload"));
 

src/managers/KeybindManager.cpp

@@ -2793,6 +2793,8 @@ SDispatchResult CKeybindManager::bringActiveToTop(std::string args) {
     if (Desktop::focusState()->window() && Desktop::focusState()->window()->m_isFloating)
         g_pCompositor->changeWindowZOrder(Desktop::focusState()->window(), true);
 
+    g_pInputManager->simulateMouseMovement();
+
     return {};
 }