gboolean touchpad_is_present (void) { XDeviceInfo *device_info; gint n_devices; guint i; gboolean retval; if (supports_xinput_devices () == FALSE) return TRUE; retval = FALSE; device_info = XListInputDevices (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &n_devices); if (device_info == NULL) return FALSE; for (i = 0; i < n_devices; i++) { XDevice *device; device = device_is_touchpad (&device_info[i]); if (device != NULL) { retval = TRUE; break; } } if (device_info != NULL) XFreeDeviceList (device_info); return retval; }
static gboolean device_type_is_present (InfoIdentifyFunc info_func, DeviceIdentifyFunc device_func) { XDeviceInfo *device_info; gint n_devices; guint i; gboolean retval; if (supports_xinput_devices () == FALSE) return TRUE; retval = FALSE; device_info = XListInputDevices (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &n_devices); if (device_info == NULL) return FALSE; for (i = 0; i < n_devices; i++) { XDevice *device; /* Check with the device info first */ retval = (info_func) (&device_info[i]); if (retval == FALSE) continue; /* If we only have an info func, we're done checking */ if (device_func == NULL) break; gdk_error_trap_push (); device = XOpenDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device_info[i].id); if (gdk_error_trap_pop () || (device == NULL)) continue; retval = (device_func) (device); if (retval) { XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device); break; } XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device); } XFreeDeviceList (device_info); return retval; }
gboolean touchpad_is_present (void) { XDeviceInfo *device_info; gint n_devices; guint i; gboolean retval; if (supports_xinput_devices () == FALSE) return TRUE; retval = FALSE; device_info = XListInputDevices (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &n_devices); if (device_info == NULL) return FALSE; for (i = 0; i < n_devices; i++) { XDevice *device; gdk_error_trap_push (); device = XOpenDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device_info[i].id); if (gdk_error_trap_pop () || (device == NULL)) continue; retval = device_is_touchpad (device); if (retval) { XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device); break; } XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device); } XFreeDeviceList (device_info); return retval; }
int main (int argc, char **argv) { gboolean supports_xinput; gboolean has_touchpad, has_touchscreen, has_trackball; XDeviceInfo *device_info; gint n_devices, opcode; guint i; gtk_init (&argc, &argv); supports_xinput = supports_xinput_devices (); if (supports_xinput) { g_print ("Supports XInput:\t\t\tyes\n"); } else { g_print ("Supports XInput:\t\t\tno\n"); return 0; } supports_xinput = supports_xinput2_devices (&opcode); if (supports_xinput) { g_print ("Supports XInput2:\t\t\tyes (opcode: %d)\n", opcode); } else { g_print ("Supports XInput2:\t\t\tno\n"); return 0; } has_touchpad = touchpad_is_present (); g_print ("Has touchpad:\t\t\t\t%s\n", has_touchpad ? "yes" : "no"); has_touchscreen = touchscreen_is_present (); g_print ("Has touchscreen:\t\t\t%s\n", has_touchscreen ? "yes" : "no"); has_trackball = trackball_is_present (); g_print ("Has trackball:\t\t\t\t%s\n", has_trackball ? "yes" : "no"); device_info = XListInputDevices (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &n_devices); if (device_info == NULL) { g_warning ("Has no input devices"); return 1; } print_disabled_devices (); for (i = 0; i < n_devices; i++) { XDevice *device; if (device_info_is_touchscreen (&device_info[i])) { g_print ("Device %d is touchscreen:\t\t%s\n", (int) device_info[i].id, "yes"); continue; } if (device_info_is_trackball (&device_info[i])) { g_print ("Device %d is trackball:\t\t\t%s\n", (int) device_info[i].id, "yes"); continue; } if (device_info_is_tablet (&device_info[i])) { g_print ("Device %d is tablet:\t\t\t%s\n", (int) device_info[i].id, "yes"); continue; } gdk_error_trap_push (); device = XOpenDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device_info[i].id); if (gdk_error_trap_pop () || (device == NULL)) continue; if (device_is_touchpad (device)) g_print ("Device %d is touchpad:\t\t%s\n", (int) device_info[i].id, "yes"); else { int tool_id; tool_id = xdevice_get_last_tool_id (device_info[i].id); if (tool_id >= 0x0) g_print ("Device %d is touchpad/touchscreen:\t%s (tool ID: 0x%x)\n", (int) device_info[i].id, "no", tool_id); else g_print ("Device %d is touchpad/touchscreen:\t%s\n", (int) device_info[i].id, "no"); } XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device); } XFreeDeviceList (device_info); return 0; }