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os_x11.cpp
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/*************************************************************************/
/* os_x11.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "os_x11.h"
#include "core/os/dir_access.h"
#include "core/print_string.h"
#include "detect_prime.h"
#include "drivers/gles2/rasterizer_gles2.h"
#include "drivers/gles3/rasterizer_gles3.h"
#include "key_mapping_x11.h"
#include "main/main.h"
#include "servers/visual/visual_server_raster.h"
#include "servers/visual/visual_server_wrap_mt.h"
#ifdef HAVE_MNTENT
#include <mntent.h>
#endif
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <X11/Xatom.h>
#include <X11/Xutil.h>
#include <X11/extensions/Xinerama.h>
#include <X11/extensions/shape.h>
// ICCCM
#define WM_NormalState 1L // window normal state
#define WM_IconicState 3L // window minimized
// EWMH
#define _NET_WM_STATE_REMOVE 0L // remove/unset property
#define _NET_WM_STATE_ADD 1L // add/set property
#define _NET_WM_STATE_TOGGLE 2L // toggle property
#include <dlfcn.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
//stupid linux.h
#ifdef KEY_TAB
#undef KEY_TAB
#endif
#undef CursorShape
#include <X11/XKBlib.h>
// 2.2 is the first release with multitouch
#define XINPUT_CLIENT_VERSION_MAJOR 2
#define XINPUT_CLIENT_VERSION_MINOR 2
#define VALUATOR_ABSX 0
#define VALUATOR_ABSY 1
#define VALUATOR_PRESSURE 2
#define VALUATOR_TILTX 3
#define VALUATOR_TILTY 4
//#define DISPLAY_SERVER_X11_DEBUG_LOGS_ENABLED
#ifdef DISPLAY_SERVER_X11_DEBUG_LOGS_ENABLED
#define DEBUG_LOG_X11(...) printf(__VA_ARGS__)
#else
#define DEBUG_LOG_X11(...)
#endif
static const double abs_resolution_mult = 10000.0;
static const double abs_resolution_range_mult = 10.0;
static String get_atom_name(Display *p_disp, Atom p_atom) {
char *name = XGetAtomName(p_disp, p_atom);
ERR_FAIL_NULL_V_MSG(name, String(), "Atom is invalid.");
String ret;
ret.parse_utf8(name);
XFree(name);
return ret;
}
#ifdef SPEECHD_ENABLED
bool OS_X11::tts_is_speaking() const {
ERR_FAIL_COND_V(!tts, false);
return tts->is_speaking();
}
bool OS_X11::tts_is_paused() const {
ERR_FAIL_COND_V(!tts, false);
return tts->is_paused();
}
Array OS_X11::tts_get_voices() const {
ERR_FAIL_COND_V(!tts, Array());
return tts->get_voices();
}
void OS_X11::tts_speak(const String &p_text, const String &p_voice, int p_volume, float p_pitch, float p_rate, int p_utterance_id, bool p_interrupt) {
ERR_FAIL_COND(!tts);
tts->speak(p_text, p_voice, p_volume, p_pitch, p_rate, p_utterance_id, p_interrupt);
}
void OS_X11::tts_pause() {
ERR_FAIL_COND(!tts);
tts->pause();
}
void OS_X11::tts_resume() {
ERR_FAIL_COND(!tts);
tts->resume();
}
void OS_X11::tts_stop() {
ERR_FAIL_COND(!tts);
tts->stop();
}
#endif
void OS_X11::initialize_core() {
crash_handler.initialize();
OS_Unix::initialize_core();
}
int OS_X11::get_current_video_driver() const {
return video_driver_index;
}
Error OS_X11::initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver) {
long im_event_mask = 0;
last_button_state = 0;
xmbstring = nullptr;
x11_window = 0;
last_click_ms = 0;
last_click_button_index = -1;
last_click_pos = Point2(-100, -100);
args = OS::get_singleton()->get_cmdline_args();
current_videomode = p_desired;
main_loop = nullptr;
last_timestamp = 0;
last_mouse_pos_valid = false;
last_keyrelease_time = 0;
xdnd_version = 0;
XInitThreads();
/** XLIB INITIALIZATION **/
x11_display = XOpenDisplay(nullptr);
if (!x11_display) {
ERR_PRINT("X11 Display is not available");
return ERR_UNAVAILABLE;
}
char *modifiers = nullptr;
Bool xkb_dar = False;
XAutoRepeatOn(x11_display);
xkb_dar = XkbSetDetectableAutoRepeat(x11_display, True, nullptr);
// Try to support IME if detectable auto-repeat is supported
if (xkb_dar == True) {
#ifdef X_HAVE_UTF8_STRING
// Xutf8LookupString will be used later instead of XmbLookupString before
// the multibyte sequences can be converted to unicode string.
modifiers = XSetLocaleModifiers("");
#endif
}
if (modifiers == nullptr) {
if (is_stdout_verbose()) {
WARN_PRINT("IME is disabled");
}
XSetLocaleModifiers("@im=none");
WARN_PRINT("Error setting locale modifiers");
}
const char *err;
xrr_get_monitors = nullptr;
xrr_free_monitors = nullptr;
int xrandr_major = 0;
int xrandr_minor = 0;
int event_base, error_base;
xrandr_ext_ok = XRRQueryExtension(x11_display, &event_base, &error_base);
xrandr_handle = dlopen("libXrandr.so.2", RTLD_LAZY);
if (!xrandr_handle) {
err = dlerror();
// For some arcane reason, NetBSD now ships libXrandr.so.3 while the rest of the world has libXrandr.so.2...
// In case this happens for other X11 platforms in the future, let's give it a try too before failing.
xrandr_handle = dlopen("libXrandr.so.3", RTLD_LAZY);
if (!xrandr_handle) {
fprintf(stderr, "could not load libXrandr.so.2, Error: %s\n", err);
}
} else {
XRRQueryVersion(x11_display, &xrandr_major, &xrandr_minor);
if (((xrandr_major << 8) | xrandr_minor) >= 0x0105) {
xrr_get_monitors = (xrr_get_monitors_t)dlsym(xrandr_handle, "XRRGetMonitors");
if (!xrr_get_monitors) {
err = dlerror();
fprintf(stderr, "could not find symbol XRRGetMonitors\nError: %s\n", err);
} else {
xrr_free_monitors = (xrr_free_monitors_t)dlsym(xrandr_handle, "XRRFreeMonitors");
if (!xrr_free_monitors) {
err = dlerror();
fprintf(stderr, "could not find XRRFreeMonitors\nError: %s\n", err);
xrr_get_monitors = nullptr;
}
}
}
}
if (!refresh_device_info()) {
OS::get_singleton()->alert("Your system does not support XInput 2.\n"
"Please upgrade your distribution.",
"Unable to initialize XInput");
return ERR_UNAVAILABLE;
}
xim = XOpenIM(x11_display, nullptr, nullptr, nullptr);
if (xim == nullptr) {
WARN_PRINT("XOpenIM failed");
xim_style = 0L;
} else {
::XIMCallback im_destroy_callback;
im_destroy_callback.client_data = (::XPointer)(this);
im_destroy_callback.callback = (::XIMProc)(xim_destroy_callback);
if (XSetIMValues(xim, XNDestroyCallback, &im_destroy_callback,
NULL) != nullptr) {
WARN_PRINT("Error setting XIM destroy callback");
}
::XIMStyles *xim_styles = nullptr;
xim_style = 0L;
char *imvalret = XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL);
if (imvalret != nullptr || xim_styles == nullptr) {
fprintf(stderr, "Input method doesn't support any styles\n");
}
if (xim_styles) {
xim_style = 0L;
for (int i = 0; i < xim_styles->count_styles; i++) {
if (xim_styles->supported_styles[i] ==
(XIMPreeditNothing | XIMStatusNothing)) {
xim_style = xim_styles->supported_styles[i];
break;
}
}
XFree(xim_styles);
}
XFree(imvalret);
}
/*
char* windowid = getenv("GODOT_WINDOWID");
if (windowid) {
//freopen("/home/punto/stdout", "w", stdout);
//reopen("/home/punto/stderr", "w", stderr);
x11_window = atol(windowid);
XWindowAttributes xwa;
XGetWindowAttributes(x11_display,x11_window,&xwa);
current_videomode.width = xwa.width;
current_videomode.height = xwa.height;
};
*/
// maybe contextgl wants to be in charge of creating the window
#if defined(OPENGL_ENABLED)
if (getenv("DRI_PRIME") == nullptr) {
int use_prime = -1;
if (getenv("PRIMUS_DISPLAY") ||
getenv("PRIMUS_libGLd") ||
getenv("PRIMUS_libGLa") ||
getenv("PRIMUS_libGL") ||
getenv("PRIMUS_LOAD_GLOBAL") ||
getenv("BUMBLEBEE_SOCKET")) {
print_verbose("Optirun/primusrun detected. Skipping GPU detection");
use_prime = 0;
}
// Some tools use fake libGL libraries and have them override the real one using
// LD_LIBRARY_PATH, so we skip them. *But* Steam also sets LD_LIBRARY_PATH for its
// runtime and includes system `/lib` and `/lib64`... so ignore Steam.
if (use_prime == -1 && getenv("LD_LIBRARY_PATH") && !getenv("STEAM_RUNTIME_LIBRARY_PATH")) {
String ld_library_path(getenv("LD_LIBRARY_PATH"));
Vector<String> libraries = ld_library_path.split(":");
for (int i = 0; i < libraries.size(); ++i) {
if (FileAccess::exists(libraries[i] + "/libGL.so.1") ||
FileAccess::exists(libraries[i] + "/libGL.so")) {
print_verbose("Custom libGL override detected. Skipping GPU detection");
use_prime = 0;
}
}
}
if (use_prime == -1) {
print_verbose("Detecting GPUs, set DRI_PRIME in the environment to override GPU detection logic.");
use_prime = detect_prime();
}
if (use_prime) {
print_line("Found discrete GPU, setting DRI_PRIME=1 to use it.");
print_line("Note: Set DRI_PRIME=0 in the environment to disable Godot from using the discrete GPU.");
setenv("DRI_PRIME", "1", 1);
}
}
ContextGL_X11::ContextType opengl_api_type = ContextGL_X11::GLES_3_0_COMPATIBLE;
if (p_video_driver == VIDEO_DRIVER_GLES2) {
opengl_api_type = ContextGL_X11::GLES_2_0_COMPATIBLE;
}
bool editor = Engine::get_singleton()->is_editor_hint();
bool gl_initialization_error = false;
context_gl = nullptr;
while (!context_gl) {
context_gl = memnew(ContextGL_X11(x11_display, x11_window, current_videomode, opengl_api_type));
if (context_gl->initialize() != OK) {
memdelete(context_gl);
context_gl = nullptr;
if (GLOBAL_GET("rendering/quality/driver/fallback_to_gles2") || editor) {
if (p_video_driver == VIDEO_DRIVER_GLES2) {
gl_initialization_error = true;
break;
}
p_video_driver = VIDEO_DRIVER_GLES2;
opengl_api_type = ContextGL_X11::GLES_2_0_COMPATIBLE;
} else {
gl_initialization_error = true;
break;
}
}
}
while (true) {
if (opengl_api_type == ContextGL_X11::GLES_3_0_COMPATIBLE) {
if (RasterizerGLES3::is_viable() == OK) {
RasterizerGLES3::register_config();
RasterizerGLES3::make_current();
break;
} else {
if (GLOBAL_GET("rendering/quality/driver/fallback_to_gles2") || editor) {
p_video_driver = VIDEO_DRIVER_GLES2;
opengl_api_type = ContextGL_X11::GLES_2_0_COMPATIBLE;
continue;
} else {
gl_initialization_error = true;
break;
}
}
}
if (opengl_api_type == ContextGL_X11::GLES_2_0_COMPATIBLE) {
if (RasterizerGLES2::is_viable() == OK) {
RasterizerGLES2::register_config();
RasterizerGLES2::make_current();
break;
} else {
gl_initialization_error = true;
break;
}
}
}
if (gl_initialization_error) {
OS::get_singleton()->alert("Your video card driver does not support any of the supported OpenGL versions.\n"
"Please update your drivers or if you have a very old or integrated GPU, upgrade it.\n"
"If you have updated your graphics drivers recently, try rebooting.\n"
"Alternatively, you can force software rendering by running Godot with the `LIBGL_ALWAYS_SOFTWARE=1`\n"
"environment variable set, but this will be very slow.",
"Unable to initialize Video driver");
return ERR_UNAVAILABLE;
}
video_driver_index = p_video_driver;
context_gl->set_use_vsync(current_videomode.use_vsync);
#endif
#ifdef SPEECHD_ENABLED
// Init TTS
tts = memnew(TTS_Linux);
#endif
visual_server = memnew(VisualServerRaster);
if (get_render_thread_mode() != RENDER_THREAD_UNSAFE) {
visual_server = memnew(VisualServerWrapMT(visual_server, get_render_thread_mode() == RENDER_SEPARATE_THREAD));
}
if (current_videomode.maximized) {
current_videomode.maximized = false;
set_window_maximized(true);
// borderless fullscreen window mode
} else if (current_videomode.fullscreen) {
current_videomode.fullscreen = false;
set_window_fullscreen(true);
} else if (current_videomode.borderless_window) {
Hints hints;
Atom property;
hints.flags = 2;
hints.decorations = 0;
property = XInternAtom(x11_display, "_MOTIF_WM_HINTS", True);
if (property != None) {
XChangeProperty(x11_display, x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5);
}
}
// make PID known to X11
{
const long pid = this->get_process_id();
Atom net_wm_pid = XInternAtom(x11_display, "_NET_WM_PID", False);
if (net_wm_pid != None) {
XChangeProperty(x11_display, x11_window, net_wm_pid, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&pid, 1);
}
}
// disable resizable window
if (!current_videomode.resizable && !current_videomode.fullscreen) {
XSizeHints *xsh;
xsh = XAllocSizeHints();
xsh->flags = PMinSize | PMaxSize;
XWindowAttributes xwa;
if (current_videomode.fullscreen) {
XGetWindowAttributes(x11_display, DefaultRootWindow(x11_display), &xwa);
} else {
XGetWindowAttributes(x11_display, x11_window, &xwa);
}
xsh->min_width = xwa.width;
xsh->max_width = xwa.width;
xsh->min_height = xwa.height;
xsh->max_height = xwa.height;
XSetWMNormalHints(x11_display, x11_window, xsh);
XFree(xsh);
}
if (current_videomode.always_on_top) {
current_videomode.always_on_top = false;
set_window_always_on_top(true);
}
ERR_FAIL_COND_V(!visual_server, ERR_UNAVAILABLE);
ERR_FAIL_COND_V(x11_window == 0, ERR_UNAVAILABLE);
XSetWindowAttributes new_attr;
new_attr.event_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask |
ButtonReleaseMask | EnterWindowMask |
LeaveWindowMask | PointerMotionMask |
Button1MotionMask |
Button2MotionMask | Button3MotionMask |
Button4MotionMask | Button5MotionMask |
ButtonMotionMask | KeymapStateMask |
ExposureMask | VisibilityChangeMask |
StructureNotifyMask |
SubstructureNotifyMask | SubstructureRedirectMask |
FocusChangeMask | PropertyChangeMask |
ColormapChangeMask | OwnerGrabButtonMask |
im_event_mask;
XChangeWindowAttributes(x11_display, x11_window, CWEventMask, &new_attr);
static unsigned char all_mask_data[XIMaskLen(XI_LASTEVENT)] = {};
static unsigned char all_master_mask_data[XIMaskLen(XI_LASTEVENT)] = {};
xi.all_event_mask.deviceid = XIAllDevices;
xi.all_event_mask.mask_len = sizeof(all_mask_data);
xi.all_event_mask.mask = all_mask_data;
xi.all_master_event_mask.deviceid = XIAllMasterDevices;
xi.all_master_event_mask.mask_len = sizeof(all_master_mask_data);
xi.all_master_event_mask.mask = all_master_mask_data;
XISetMask(xi.all_event_mask.mask, XI_HierarchyChanged);
XISetMask(xi.all_master_event_mask.mask, XI_DeviceChanged);
XISetMask(xi.all_master_event_mask.mask, XI_RawMotion);
#ifdef TOUCH_ENABLED
if (xi.touch_devices.size()) {
XISetMask(xi.all_event_mask.mask, XI_TouchBegin);
XISetMask(xi.all_event_mask.mask, XI_TouchUpdate);
XISetMask(xi.all_event_mask.mask, XI_TouchEnd);
XISetMask(xi.all_event_mask.mask, XI_TouchOwnership);
}
#endif
XISelectEvents(x11_display, x11_window, &xi.all_event_mask, 1);
XISelectEvents(x11_display, DefaultRootWindow(x11_display), &xi.all_master_event_mask, 1);
/* set the titlebar name */
XStoreName(x11_display, x11_window, "Godot");
wm_delete = XInternAtom(x11_display, "WM_DELETE_WINDOW", true);
XSetWMProtocols(x11_display, x11_window, &wm_delete, 1);
im_active = false;
im_position = Vector2();
if (xim && xim_style) {
xic = XCreateIC(xim, XNInputStyle, xim_style, XNClientWindow, x11_window, XNFocusWindow, x11_window, (char *)nullptr);
if (XGetICValues(xic, XNFilterEvents, &im_event_mask, NULL) != nullptr) {
WARN_PRINT("XGetICValues couldn't obtain XNFilterEvents value");
XDestroyIC(xic);
xic = nullptr;
}
if (xic) {
XUnsetICFocus(xic);
} else {
WARN_PRINT("XCreateIC couldn't create xic");
}
} else {
xic = nullptr;
WARN_PRINT("XCreateIC couldn't create xic");
}
cursor_size = XcursorGetDefaultSize(x11_display);
cursor_theme = XcursorGetTheme(x11_display);
if (!cursor_theme) {
print_verbose("XcursorGetTheme could not get cursor theme");
cursor_theme = "default";
}
for (int i = 0; i < CURSOR_MAX; i++) {
cursors[i] = None;
img[i] = nullptr;
}
current_cursor = CURSOR_ARROW;
for (int i = 0; i < CURSOR_MAX; i++) {
static const char *cursor_file[] = {
"left_ptr",
"xterm",
"hand2",
"cross",
"watch",
"left_ptr_watch",
"fleur",
"hand1",
"X_cursor",
"sb_v_double_arrow",
"sb_h_double_arrow",
"size_bdiag",
"size_fdiag",
"hand1",
"sb_v_double_arrow",
"sb_h_double_arrow",
"question_arrow"
};
img[i] = XcursorLibraryLoadImage(cursor_file[i], cursor_theme, cursor_size);
if (img[i]) {
cursors[i] = XcursorImageLoadCursor(x11_display, img[i]);
} else {
print_verbose("Failed loading custom cursor: " + String(cursor_file[i]));
}
}
{
// Creating an empty/transparent cursor
// Create 1x1 bitmap
Pixmap cursormask = XCreatePixmap(x11_display,
RootWindow(x11_display, DefaultScreen(x11_display)), 1, 1, 1);
// Fill with zero
XGCValues xgc;
xgc.function = GXclear;
GC gc = XCreateGC(x11_display, cursormask, GCFunction, &xgc);
XFillRectangle(x11_display, cursormask, gc, 0, 0, 1, 1);
// Color value doesn't matter. Mask zero means no foreground or background will be drawn
XColor col = {};
Cursor cursor = XCreatePixmapCursor(x11_display,
cursormask, // source (using cursor mask as placeholder, since it'll all be ignored)
cursormask, // mask
&col, &col, 0, 0);
XFreePixmap(x11_display, cursormask);
XFreeGC(x11_display, gc);
if (cursor == None) {
ERR_PRINT("FAILED CREATING CURSOR");
}
null_cursor = cursor;
}
set_cursor_shape(CURSOR_BUSY);
//Set Xdnd (drag & drop) support
Atom XdndAware = XInternAtom(x11_display, "XdndAware", False);
Atom version = 5;
if (XdndAware != None) {
XChangeProperty(x11_display, x11_window, XdndAware, XA_ATOM, 32, PropModeReplace, (unsigned char *)&version, 1);
}
xdnd_enter = XInternAtom(x11_display, "XdndEnter", False);
xdnd_position = XInternAtom(x11_display, "XdndPosition", False);
xdnd_status = XInternAtom(x11_display, "XdndStatus", False);
xdnd_action_copy = XInternAtom(x11_display, "XdndActionCopy", False);
xdnd_drop = XInternAtom(x11_display, "XdndDrop", False);
xdnd_finished = XInternAtom(x11_display, "XdndFinished", False);
xdnd_selection = XInternAtom(x11_display, "XdndSelection", False);
requested = None;
visual_server->init();
AudioDriverManager::initialize(p_audio_driver);
input = memnew(InputDefault);
window_has_focus = true; // Set focus to true at init
#ifdef JOYDEV_ENABLED
joypad = memnew(JoypadLinux(input));
#endif
power_manager = memnew(PowerX11);
if (p_desired.layered) {
set_window_per_pixel_transparency_enabled(true);
}
XEvent xevent;
while (XPending(x11_display) > 0) {
XNextEvent(x11_display, &xevent);
if (xevent.type == ConfigureNotify) {
_window_changed(&xevent);
}
}
events_thread.start(_poll_events_thread, this);
update_real_mouse_position();
return OK;
}
bool OS_X11::refresh_device_info() {
int event_base, error_base;
print_verbose("XInput: Refreshing devices.");
if (!XQueryExtension(x11_display, "XInputExtension", &xi.opcode, &event_base, &error_base)) {
print_verbose("XInput extension not available. Please upgrade your distribution.");
return false;
}
int xi_major_query = XINPUT_CLIENT_VERSION_MAJOR;
int xi_minor_query = XINPUT_CLIENT_VERSION_MINOR;
if (XIQueryVersion(x11_display, &xi_major_query, &xi_minor_query) != Success) {
print_verbose(vformat("XInput 2 not available (server supports %d.%d).", xi_major_query, xi_minor_query));
xi.opcode = 0;
return false;
}
if (xi_major_query < XINPUT_CLIENT_VERSION_MAJOR || (xi_major_query == XINPUT_CLIENT_VERSION_MAJOR && xi_minor_query < XINPUT_CLIENT_VERSION_MINOR)) {
print_verbose(vformat("XInput %d.%d not available (server supports %d.%d). Touch input unavailable.",
XINPUT_CLIENT_VERSION_MAJOR, XINPUT_CLIENT_VERSION_MINOR, xi_major_query, xi_minor_query));
}
xi.absolute_devices.clear();
xi.touch_devices.clear();
xi.pen_inverted_devices.clear();
int dev_count;
XIDeviceInfo *info = XIQueryDevice(x11_display, XIAllDevices, &dev_count);
for (int i = 0; i < dev_count; i++) {
XIDeviceInfo *dev = &info[i];
if (!dev->enabled) {
continue;
}
if (!(dev->use == XISlavePointer || dev->use == XIFloatingSlave)) {
continue;
}
bool direct_touch = false;
bool absolute_mode = false;
int resolution_x = 0;
int resolution_y = 0;
double abs_x_min = 0;
double abs_x_max = 0;
double abs_y_min = 0;
double abs_y_max = 0;
double pressure_min = 0;
double pressure_max = 0;
double tilt_x_min = 0;
double tilt_x_max = 0;
double tilt_y_min = 0;
double tilt_y_max = 0;
for (int j = 0; j < dev->num_classes; j++) {
#ifdef TOUCH_ENABLED
if (dev->classes[j]->type == XITouchClass && ((XITouchClassInfo *)dev->classes[j])->mode == XIDirectTouch) {
direct_touch = true;
}
#endif
if (dev->classes[j]->type == XIValuatorClass) {
XIValuatorClassInfo *class_info = (XIValuatorClassInfo *)dev->classes[j];
if (class_info->number == VALUATOR_ABSX && class_info->mode == XIModeAbsolute) {
resolution_x = class_info->resolution;
abs_x_min = class_info->min;
abs_x_max = class_info->max;
absolute_mode = true;
} else if (class_info->number == VALUATOR_ABSY && class_info->mode == XIModeAbsolute) {
resolution_y = class_info->resolution;
abs_y_min = class_info->min;
abs_y_max = class_info->max;
absolute_mode = true;
} else if (class_info->number == VALUATOR_PRESSURE && class_info->mode == XIModeAbsolute) {
pressure_min = class_info->min;
pressure_max = class_info->max;
} else if (class_info->number == VALUATOR_TILTX && class_info->mode == XIModeAbsolute) {
tilt_x_min = class_info->min;
tilt_x_max = class_info->max;
} else if (class_info->number == VALUATOR_TILTY && class_info->mode == XIModeAbsolute) {
tilt_y_min = class_info->min;
tilt_y_max = class_info->max;
}
}
}
if (direct_touch) {
xi.touch_devices.push_back(dev->deviceid);
print_verbose("XInput: Using touch device: " + String(dev->name));
}
if (absolute_mode) {
// If no resolution was reported, use the min/max ranges.
if (resolution_x <= 0) {
resolution_x = (abs_x_max - abs_x_min) * abs_resolution_range_mult;
}
if (resolution_y <= 0) {
resolution_y = (abs_y_max - abs_y_min) * abs_resolution_range_mult;
}
xi.absolute_devices[dev->deviceid] = Vector2(abs_resolution_mult / resolution_x, abs_resolution_mult / resolution_y);
print_verbose("XInput: Absolute pointing device: " + String(dev->name));
}
xi.pressure = 0;
xi.pen_pressure_range[dev->deviceid] = Vector2(pressure_min, pressure_max);
xi.pen_tilt_x_range[dev->deviceid] = Vector2(tilt_x_min, tilt_x_max);
xi.pen_tilt_y_range[dev->deviceid] = Vector2(tilt_y_min, tilt_y_max);
xi.pen_inverted_devices[dev->deviceid] = String(dev->name).findn("eraser") > 0;
}
XIFreeDeviceInfo(info);
#ifdef TOUCH_ENABLED
if (!xi.touch_devices.size()) {
print_verbose("XInput: No touch devices found.");
}
#endif
return true;
}
void OS_X11::xim_destroy_callback(::XIM im, ::XPointer client_data,
::XPointer call_data) {
WARN_PRINT("Input method stopped");
OS_X11 *os = reinterpret_cast<OS_X11 *>(client_data);
os->xim = nullptr;
os->xic = nullptr;
}
void OS_X11::set_ime_active(const bool p_active) {
im_active = p_active;
if (!xic) {
return;
}
// Block events polling while changing input focus
// because it triggers some event polling internally.
if (p_active) {
{
MutexLock mutex_lock(events_mutex);
XSetICFocus(xic);
}
set_ime_position(im_position);
} else {
MutexLock mutex_lock(events_mutex);
XUnsetICFocus(xic);
}
}
void OS_X11::set_ime_position(const Point2 &p_pos) {
im_position = p_pos;
if (!xic) {
return;
}
::XPoint spot;
spot.x = short(p_pos.x);
spot.y = short(p_pos.y);
XVaNestedList preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);
{
// Block events polling during this call
// because it triggers some event polling internally.
MutexLock mutex_lock(events_mutex);
XSetICValues(xic, XNPreeditAttributes, preedit_attr, NULL);
}
XFree(preedit_attr);
}
String OS_X11::get_unique_id() const {
static String machine_id;
if (machine_id.empty()) {
if (FileAccess *f = FileAccess::open("/etc/machine-id", FileAccess::READ)) {
while (machine_id.empty() && !f->eof_reached()) {
machine_id = f->get_line().strip_edges();
}
f->close();
memdelete(f);
}
}
return machine_id;
}
String OS_X11::get_processor_name() const {
FileAccessRef f = FileAccess::open("/proc/cpuinfo", FileAccess::READ);
ERR_FAIL_COND_V_MSG(!f, "", String("Couldn't open `/proc/cpuinfo` to get the CPU model name. Returning an empty string."));
while (!f->eof_reached()) {
const String line = f->get_line();
if (line.find("model name") != -1) {
return line.split(":")[1].strip_edges();
}
}
ERR_FAIL_V_MSG("", String("Couldn't get the CPU model name from `/proc/cpuinfo`. Returning an empty string."));
}
void OS_X11::finalize() {
events_thread_done = true;
events_thread.wait_to_finish();
if (main_loop) {
memdelete(main_loop);
}
main_loop = nullptr;
/*
if (debugger_connection_console) {
memdelete(debugger_connection_console);
}
*/
#ifdef ALSAMIDI_ENABLED
driver_alsamidi.close();
#endif
#ifdef SPEECHD_ENABLED
memdelete(tts);
#endif
#ifdef JOYDEV_ENABLED
memdelete(joypad);
#endif
xi.touch_devices.clear();
xi.state.clear();
memdelete(input);
cursors_cache.clear();
visual_server->finish();
memdelete(visual_server);
//memdelete(rasterizer);
memdelete(power_manager);
if (xrandr_handle) {
dlclose(xrandr_handle);
}
if (!OS::get_singleton()->is_no_window_mode_enabled()) {
XUnmapWindow(x11_display, x11_window);
}
XDestroyWindow(x11_display, x11_window);
#if defined(OPENGL_ENABLED)
memdelete(context_gl);
#endif
for (int i = 0; i < CURSOR_MAX; i++) {
if (cursors[i] != None) {
XFreeCursor(x11_display, cursors[i]);
}
if (img[i] != nullptr) {
XcursorImageDestroy(img[i]);
}
};
if (xic) {
XDestroyIC(xic);
}
if (xim) {
XCloseIM(xim);
}
XCloseDisplay(x11_display);
if (xmbstring) {
memfree(xmbstring);
}
args.clear();
}
bool OS_X11::is_offscreen_gl_available() const {
#if defined(OPENGL_ENABLED)
return context_gl->is_offscreen_available();
#else
return false;
#endif
}
void OS_X11::set_offscreen_gl_current(bool p_current) {
#if defined(OPENGL_ENABLED)
if (p_current) {
return context_gl->make_offscreen_current();
} else {
return context_gl->release_offscreen_current();
}
#endif
}
void OS_X11::set_mouse_mode(MouseMode p_mode) {
if (p_mode == mouse_mode) {
return;
}
if (mouse_mode == MOUSE_MODE_CAPTURED || mouse_mode == MOUSE_MODE_CONFINED || mouse_mode == MOUSE_MODE_CONFINED_HIDDEN) {
XUngrabPointer(x11_display, CurrentTime);
}
// The only modes that show a cursor are VISIBLE and CONFINED
bool showCursor = (p_mode == MOUSE_MODE_VISIBLE || p_mode == MOUSE_MODE_CONFINED);
if (showCursor) {
XDefineCursor(x11_display, x11_window, cursors[current_cursor]); // show cursor
} else {
XDefineCursor(x11_display, x11_window, null_cursor); // hide cursor
}
mouse_mode = p_mode;
if (mouse_mode == MOUSE_MODE_CAPTURED || mouse_mode == MOUSE_MODE_CONFINED || mouse_mode == MOUSE_MODE_CONFINED_HIDDEN) {
//flush pending motion events
flush_mouse_motion();
if (XGrabPointer(
x11_display, x11_window, True,
ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
GrabModeAsync, GrabModeAsync, x11_window, None, CurrentTime) != GrabSuccess) {
ERR_PRINT("NO GRAB");
}