input: add support for cursor-shape-v1

CMakeLists.txt

@@ -215,3 +215,4 @@ protocol("unstable/linux-dmabuf/linux-dmabuf-unstable-v1.xml" "linux-dmabuf-unst
 protocol("unstable/xdg-output/xdg-output-unstable-v1.xml" "xdg-output-unstable-v1" false)
 protocol("staging/fractional-scale/fractional-scale-v1.xml" "fractional-scale-v1" false)
 protocol("unstable/text-input/text-input-unstable-v1.xml" "text-input-unstable-v1" false)
+protocol("staging/cursor-shape/cursor-shape-v1.xml" "cursor-shape-v1" false)

protocols/meson.build

@@ -24,6 +24,7 @@ protocols = [
   [wl_protocol_dir, 'unstable/text-input/text-input-unstable-v1.xml'],
   [wl_protocol_dir, 'unstable/xdg-output/xdg-output-unstable-v1.xml'],
   [wl_protocol_dir, 'staging/fractional-scale/fractional-scale-v1.xml'],
+  [wl_protocol_dir, 'staging/cursor-shape/cursor-shape-v1.xml'],
   ['wlr-foreign-toplevel-management-unstable-v1.xml'],
   ['wlr-layer-shell-unstable-v1.xml'],
   ['wlr-output-power-management-unstable-v1.xml'],

src/Compositor.cpp

@@ -240,6 +240,8 @@ void CCompositor::initServer() {
 
     m_sWLRSessionLockMgr = wlr_session_lock_manager_v1_create(m_sWLDisplay);
 
+    m_sWLRCursorShapeMgr = wlr_cursor_shape_manager_v1_create(m_sWLDisplay, 1);
+
     if (!m_sWLRHeadlessBackend) {
         Debug::log(CRIT, "Couldn't create the headless backend");
         throw std::runtime_error("wlr_headless_backend_create() failed!");
@@ -297,6 +299,7 @@ void CCompositor::initAllSignals() {
     addWLSignal(&m_sWLRActivation->events.request_activate, &Events::listen_activateXDG, m_sWLRActivation, "ActivationV1");
     addWLSignal(&m_sWLRSessionLockMgr->events.new_lock, &Events::listen_newSessionLock, m_sWLRSessionLockMgr, "SessionLockMgr");
     addWLSignal(&m_sWLRGammaCtrlMgr->events.set_gamma, &Events::listen_setGamma, m_sWLRGammaCtrlMgr, "GammaCtrlMgr");
+    addWLSignal(&m_sWLRCursorShapeMgr->events.request_set_shape, &Events::listen_setCursorShape, m_sWLRCursorShapeMgr, "CursorShapeMgr");
 
     if (m_sWRLDRMLeaseMgr)
         addWLSignal(&m_sWRLDRMLeaseMgr->events.request, &Events::listen_leaseRequest, &m_sWRLDRMLeaseMgr, "DRM");

src/Compositor.hpp

@@ -86,6 +86,7 @@ class CCompositor {
     wlr_backend*                               m_sWLRHeadlessBackend;
     wlr_session_lock_manager_v1*               m_sWLRSessionLockMgr;
     wlr_gamma_control_manager_v1*              m_sWLRGammaCtrlMgr;
+    wlr_cursor_shape_manager_v1*               m_sWLRCursorShapeMgr;
     // ------------------------------------------------- //
 
     std::string                               m_szWLDisplaySocket   = "";

src/events/Events.hpp

@@ -170,4 +170,7 @@ namespace Events {
 
     // Gamma control
     LISTENER(setGamma);
+
+    // Cursor shape
+    LISTENER(setCursorShape);
 };

src/events/Misc.cpp

@@ -231,3 +231,9 @@ void Events::listener_setGamma(wl_listener* listener, void* data) {
 
     g_pCompositor->scheduleFrameForMonitor(PMONITOR);
 }
+
+void Events::listener_setCursorShape(wl_listener* listener, void* data) {
+    const auto E = (wlr_cursor_shape_manager_v1_request_set_shape_event*)data;
+
+    g_pInputManager->processMouseRequest(E);
+}

src/includes.hpp

@@ -104,6 +104,7 @@ extern "C" {
 #include <wlr/types/wlr_session_lock_v1.h>
 #include <wlr/types/wlr_single_pixel_buffer_v1.h>
 #include <wlr/types/wlr_idle_notify_v1.h>
+#include <wlr/types/wlr_cursor_shape_v1.h>
 
 #include <libdrm/drm_fourcc.h>
 

src/managers/input/InputManager.cpp

@@ -464,23 +464,14 @@ void CInputManager::onMouseButton(wlr_pointer_button_event* e) {
 }
 
 void CInputManager::processMouseRequest(wlr_seat_pointer_request_set_cursor_event* e) {
-    if (!g_pHyprRenderer->shouldRenderCursor())
-        return;
 
-    if (!e->surface) {
+    if (!e->surface)
         g_pHyprRenderer->m_bWindowRequestedCursorHide = true;
-    } else {
+    else
         g_pHyprRenderer->m_bWindowRequestedCursorHide = false;
-    }
 
-    if (m_bCursorImageOverridden) {
+    if (!cursorImageUnlocked())
         return;
-    }
-
-    if (m_ecbClickBehavior == CLICKMODE_KILL) {
-        wlr_cursor_set_xcursor(g_pCompositor->m_sWLRCursor, g_pCompositor->m_sWLRXCursorMgr, "crosshair");
-        return;
-    }
 
     // cursorSurfaceInfo.pSurface = e->surface;
 
@@ -495,6 +486,34 @@ void CInputManager::processMouseRequest(wlr_seat_pointer_request_set_cursor_even
         wlr_cursor_set_surface(g_pCompositor->m_sWLRCursor, e->surface, e->hotspot_x, e->hotspot_y);
 }
 
+void CInputManager::processMouseRequest(wlr_cursor_shape_manager_v1_request_set_shape_event* e) {
+    if (!g_pHyprRenderer->shouldRenderCursor())
+        return;
+
+    if (!g_pCompositor->m_pLastFocus)
+        return;
+
+    if (wl_resource_get_client(g_pCompositor->m_pLastFocus->resource) != e->seat_client->client) {
+        Debug::log(ERR, "Disallowing cursor shape request from unfocused");
+        return;
+    }
+
+    wlr_cursor_set_xcursor(g_pCompositor->m_sWLRCursor, g_pCompositor->m_sWLRXCursorMgr, wlr_cursor_shape_v1_name(e->shape));
+}
+
+bool CInputManager::cursorImageUnlocked() {
+    if (!g_pHyprRenderer->shouldRenderCursor())
+        return false;
+
+    if (m_ecbClickBehavior == CLICKMODE_KILL)
+        return false;
+
+    if (m_bCursorImageOverridden)
+        return false;
+
+    return true;
+}
+
 eClickBehaviorMode CInputManager::getClickMode() {
     return m_ecbClickBehavior;
 }

src/managers/input/InputManager.hpp

@@ -7,18 +7,21 @@
 #include "../../helpers/Timer.hpp"
 #include "InputMethodRelay.hpp"
 
-enum eClickBehaviorMode {
+enum eClickBehaviorMode
+{
     CLICKMODE_DEFAULT = 0,
     CLICKMODE_KILL
 };
 
-enum eMouseBindMode {
+enum eMouseBindMode
+{
     MBIND_INVALID = -1,
     MBIND_MOVE    = 0,
     MBIND_RESIZE
 };
 
-enum eBorderIconDirection {
+enum eBorderIconDirection
+{
     BORDERICON_NONE,
     BORDERICON_UP,
     BORDERICON_DOWN,
@@ -96,7 +99,8 @@ class CInputManager {
 
     void               setClickMode(eClickBehaviorMode);
     eClickBehaviorMode getClickMode();
-    void               processMouseRequest(wlr_seat_pointer_request_set_cursor_event*);
+    void               processMouseRequest(wlr_seat_pointer_request_set_cursor_event* e);
+    void               processMouseRequest(wlr_cursor_shape_manager_v1_request_set_shape_event* e);
 
     void               onTouchDown(wlr_touch_down_event*);
     void               onTouchUp(wlr_touch_up_event*);
@@ -190,6 +194,8 @@ class CInputManager {
     void               processMouseDownNormal(wlr_pointer_button_event* e);
     void               processMouseDownKill(wlr_pointer_button_event* e);
 
+    bool               cursorImageUnlocked();
+
     void               disableAllKeyboards(bool virt = false);
 
     uint32_t           m_uiCapabilities = 0;