handle touch devices internally as objects

src/debug/HyprCtl.cpp

@@ -381,6 +381,23 @@ R"#(    {
             );
         }
 
+        // remove trailing comma
+        result.pop_back();
+        result += "\n],\n";
+
+        result += "\"touch\": [\n";
+
+        for (auto& d : g_pInputManager->m_lTouchDevices) {
+            result += getFormat(
+R"#(    {
+        "address": "0x%x",
+        "name": "%s"
+    },)#",
+                &d,
+                d.pWlrDevice ? d.pWlrDevice->name : ""
+            );
+        }
+
         // remove trailing comma
         if (result[result.size() - 1] == ',')
             result.pop_back();
@@ -415,6 +432,12 @@ R"#(    {
         for (auto& d : g_pInputManager->m_lTabletTools) {
             result += getFormat("\tTablet Tool at %x (belongs to %x)\n", &d, d.wlrTabletTool ? d.wlrTabletTool->data : 0);
         }
+
+        result += "\n\nTouch:\n";
+
+        for (auto& d : g_pInputManager->m_lTouchDevices) {
+            result += getFormat("\tTouch Device at %x:\n\t\t%s\n", &d, d.pWlrDevice ? d.pWlrDevice->name : "");
+        }
     }
 
     return result;

src/events/Devices.cpp

@@ -72,7 +72,7 @@ void Events::listener_newInput(wl_listener* listener, void* data) {
             break;
         case WLR_INPUT_DEVICE_TOUCH:
             Debug::log(LOG, "Attached a touch device with name %s", DEVICE->name);
-            wlr_cursor_attach_input_device(g_pCompositor->m_sWLRCursor, DEVICE);
+            g_pInputManager->newTouchDevice(DEVICE);
             break;
         case WLR_INPUT_DEVICE_TABLET_TOOL:
             Debug::log(LOG, "Attached a tablet tool with name %s", DEVICE->name);

src/helpers/WLClasses.hpp

@@ -322,3 +322,13 @@ struct SIMEPopup {
         return pSurface == other.pSurface;
     }
 };
+
+struct STouchDevice {
+    wlr_input_device* pWlrDevice = nullptr;
+
+    DYNLISTENER(destroy);
+
+    bool operator==(const STouchDevice& other) {
+        return pWlrDevice == other.pWlrDevice;
+    }
+};

src/managers/input/InputManager.cpp

@@ -987,3 +987,22 @@ void CInputManager::disableAllKeyboards(bool virt) {
         k.active = false;
     }
 }
+
+void CInputManager::newTouchDevice(wlr_input_device* pDevice) {
+    const auto PNEWDEV = &m_lTouchDevices.emplace_back();
+    PNEWDEV->pWlrDevice = pDevice;
+
+    wlr_cursor_attach_input_device(g_pCompositor->m_sWLRCursor, pDevice);
+
+    Debug::log(LOG, "New touch device added at %x", PNEWDEV);
+
+    PNEWDEV->hyprListener_destroy.initCallback(&pDevice->events.destroy, [&](void* owner, void* data) {
+        destroyTouchDevice((STouchDevice*)data);
+    }, PNEWDEV, "TouchDevice");
+}
+
+void CInputManager::destroyTouchDevice(STouchDevice* pDevice) {
+    Debug::log(LOG, "Touch device at %x removed", pDevice);
+
+    m_lTouchDevices.remove(*pDevice);
+}

src/managers/input/InputManager.hpp

@@ -36,6 +36,8 @@ public:
     void            newKeyboard(wlr_input_device*);
     void            newVirtualKeyboard(wlr_input_device*);
     void            newMouse(wlr_input_device*, bool virt = false);
+    void            newTouchDevice(wlr_input_device*);
+    void            destroyTouchDevice(STouchDevice*);
     void            destroyKeyboard(SKeyboard*);
     void            destroyMouse(wlr_input_device*);
 
@@ -81,6 +83,9 @@ public:
     // idle inhibitors
     std::list<SIdleInhibitor> m_lIdleInhibitors;
 
+    // Touch devices
+    std::list<STouchDevice> m_lTouchDevices;
+
     void            newTabletTool(wlr_input_device*);
     void            newTabletPad(wlr_input_device*);
     void            focusTablet(STablet*, wlr_tablet_tool*, bool motion = false);