debug-gui: pointer locking on X11

Signed-off-by: José Expósito <jose.exposito89@gmail.com>

diff --git a/meson.build b/meson.build
index cdc21c6..4ff4866 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -561,6 +561,7 @@ if get_option('debug-gui')
        dep_glib = dependency('glib-2.0')
        dep_wayland_client = dependency('wayland-client', required : false)
        dep_wayland_protocols = dependency('wayland-protocols', required : false)
+       dep_x11 = dependency('x11', required : false)
 
        debug_gui_sources = [ 'tools/libinput-debug-gui.c' ]
 
@@ -592,6 +593,7 @@ if get_option('debug-gui')
                        dep_glib,
                        dep_wayland_client,
                        dep_wayland_protocols,
+                       dep_x11,
                        ] + deps_tools
        executable('libinput-debug-gui',
                   debug_gui_sources,

diff --git a/tools/libinput-debug-gui.c b/tools/libinput-debug-gui.c
index 460fd3c..861116e 100644 (file)
--- a/tools/libinput-debug-gui.c
+++ b/tools/libinput-debug-gui.c
@@ -58,6 +58,16 @@
        #endif
 #endif
 
+#ifdef GDK_WINDOWING_X11
+       #include <X11/X.h>
+       #include <X11/Xlib.h>
+       #if HAVE_GTK4
+               #include <gdk/x11/gdkx.h>
+       #else
+               #include <gdk/gdkx.h>
+       #endif
+#endif
+
 #define clip(val_, min_, max_) min((max_), max((min_), (val_)))
 
 enum touch_state {
@@ -293,6 +303,51 @@ backend_is_wayland(void)
 }
 #endif /* GDK_WINDOWING_WAYLAND */
 
+#ifdef GDK_WINDOWING_X11
+static bool
+x_lock_pointer(struct window *w)
+{
+       Display *x_display;
+       Window x_win;
+       int result;
+
+       x_display = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+
+#if HAVE_GTK4
+       GtkNative *window = gtk_widget_get_native(w->win);
+       GdkSurface *surface = gtk_native_get_surface(window);
+       x_win = GDK_SURFACE_XID(surface);
+#else
+       GdkWindow *window = gtk_widget_get_window(w->win);
+       x_win = GDK_WINDOW_XID(window);
+#endif
+
+       result = XGrabPointer(x_display, x_win,
+                             False, NoEventMask,
+                             GrabModeAsync, GrabModeAsync,
+                             x_win,
+                             None,
+                             CurrentTime);
+       return (result == GrabSuccess);
+}
+
+static void
+x_unlock_pointer(struct window *w)
+{
+       Display *x_display;
+
+       x_display = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
+
+       XUngrabPointer(x_display, CurrentTime);
+}
+
+static inline bool
+backend_is_x11(void)
+{
+       return GDK_IS_X11_DISPLAY(gdk_display_get_default());
+}
+#endif /* GDK_WINDOWING_X11 */
+
 static bool
 window_lock_pointer(struct window *w)
 {
@@ -303,6 +358,11 @@ window_lock_pointer(struct window *w)
                w->lock_pointer.locked = wayland_lock_pointer(w);
 #endif
 
+#ifdef GDK_WINDOWING_X11
+       if (backend_is_x11())
+               w->lock_pointer.locked = x_lock_pointer(w);
+#endif
+
        return w->lock_pointer.locked;
 }
 
@@ -318,6 +378,11 @@ window_unlock_pointer(struct window *w)
        if (backend_is_wayland())
                wayland_unlock_pointer(w);
 #endif
+
+#ifdef GDK_WINDOWING_X11
+       if (backend_is_x11())
+               x_unlock_pointer(w);
+#endif
 }
 
 LIBINPUT_ATTRIBUTE_PRINTF(1, 2)