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godot/platform/x11/os_x11.cpp

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/*************************************************************************/
/* os_x11.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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 "drivers/gles3/rasterizer_gles3.h"
#include "errno.h"
#include "key_mapping_x11.h"
#include "os/dir_access.h"
#include "print_string.h"
#include "servers/visual/visual_server_raster.h"
#include "servers/visual/visual_server_wrap_mt.h"
#ifdef HAVE_MNTENT
#include <mntent.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "X11/Xutil.h"
#include "X11/Xatom.h"
#include "X11/extensions/Xinerama.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 "main/main.h"
#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
#include <X11/Xatom.h>
#undef CursorShape
#include <X11/XKBlib.h>
int OS_X11::get_video_driver_count() const {
return 1;
}
const char *OS_X11::get_video_driver_name(int p_driver) const {
return "GLES3";
}
int OS_X11::get_audio_driver_count() const {
return AudioDriverManager::get_driver_count();
}
const char *OS_X11::get_audio_driver_name(int p_driver) const {
AudioDriver *driver = AudioDriverManager::get_driver(p_driver);
ERR_FAIL_COND_V(!driver, "");
return AudioDriverManager::get_driver(p_driver)->get_name();
}
void OS_X11::initialize_core() {
crash_handler.initialize();
OS_Unix::initialize_core();
}
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 = NULL;
x11_window = 0;
last_click_ms = 0;
args = OS::get_singleton()->get_cmdline_args();
current_videomode = p_desired;
main_loop = NULL;
last_timestamp = 0;
last_mouse_pos_valid = false;
last_keyrelease_time = 0;
xdnd_version = 0;
if (get_render_thread_mode() == RENDER_SEPARATE_THREAD) {
XInitThreads();
}
/** XLIB INITIALIZATION **/
x11_display = XOpenDisplay(NULL);
if (!x11_display) {
ERR_PRINT("X11 Display is not available");
return ERR_UNAVAILABLE;
}
char *modifiers = NULL;
Bool xkb_dar = False;
XAutoRepeatOn(x11_display);
xkb_dar = XkbSetDetectableAutoRepeat(x11_display, True, NULL);
// 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 == NULL) {
if (is_stdout_verbose()) {
WARN_PRINT("IME is disabled");
}
modifiers = XSetLocaleModifiers("@im=none");
WARN_PRINT("Error setting locale modifiers");
}
const char *err;
xrr_get_monitors = NULL;
xrr_free_monitors = NULL;
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();
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 = NULL;
}
}
}
}
#ifdef TOUCH_ENABLED
if (!XQueryExtension(x11_display, "XInputExtension", &touch.opcode, &event_base, &error_base)) {
fprintf(stderr, "XInput extension not available");
} else {
// 2.2 is the first release with multitouch
int xi_major = 2;
int xi_minor = 2;
if (XIQueryVersion(x11_display, &xi_major, &xi_minor) != Success) {
fprintf(stderr, "XInput 2.2 not available (server supports %d.%d)\n", xi_major, xi_minor);
touch.opcode = 0;
} else {
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 == XIMasterPointer || dev->use == XIFloatingSlave))
continue;
bool direct_touch = false;
for (int j = 0; j < dev->num_classes; j++) {
if (dev->classes[j]->type == XITouchClass && ((XITouchClassInfo *)dev->classes[j])->mode == XIDirectTouch) {
direct_touch = true;
break;
}
}
if (direct_touch) {
touch.devices.push_back(dev->deviceid);
fprintf(stderr, "Using touch device: %s\n", dev->name);
}
}
XIFreeDeviceInfo(info);
if (is_stdout_verbose() && !touch.devices.size()) {
fprintf(stderr, "No touch devices found\n");
}
}
}
#endif
xim = XOpenIM(x11_display, NULL, NULL, NULL);
if (xim == NULL) {
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) != NULL) {
WARN_PRINT("Error setting XIM destroy callback");
}
::XIMStyles *xim_styles = NULL;
xim_style = 0L;
char *imvalret = XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL);
if (imvalret != NULL || xim_styles == NULL) {
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
//print_line("def videomode "+itos(current_videomode.width)+","+itos(current_videomode.height));
#if defined(OPENGL_ENABLED)
context_gl = memnew(ContextGL_X11(x11_display, x11_window, current_videomode, true));
context_gl->initialize();
RasterizerGLES3::register_config();
RasterizerGLES3::make_current();
context_gl->set_use_vsync(current_videomode.use_vsync);
#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);
XChangeProperty(x11_display, x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5);
}
// disable resizable window
if (!current_videomode.resizable) {
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);
}
AudioDriverManager::initialize(p_audio_driver);
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);
#ifdef TOUCH_ENABLED
if (touch.devices.size()) {
// Must be alive after this block
static unsigned char mask_data[XIMaskLen(XI_LASTEVENT)] = {};
touch.event_mask.deviceid = XIAllDevices;
touch.event_mask.mask_len = sizeof(mask_data);
touch.event_mask.mask = mask_data;
XISetMask(touch.event_mask.mask, XI_TouchBegin);
XISetMask(touch.event_mask.mask, XI_TouchUpdate);
XISetMask(touch.event_mask.mask, XI_TouchEnd);
XISetMask(touch.event_mask.mask, XI_TouchOwnership);
XISelectEvents(x11_display, x11_window, &touch.event_mask, 1);
// Disabled by now since grabbing also blocks mouse events
// (they are received as extended events instead of standard events)
/*XIClearMask(touch.event_mask.mask, XI_TouchOwnership);
// Grab touch devices to avoid OS gesture interference
for (int i = 0; i < touch.devices.size(); ++i) {
XIGrabDevice(x11_display, touch.devices[i], x11_window, CurrentTime, None, XIGrabModeAsync, XIGrabModeAsync, False, &touch.event_mask);
}*/
}
#endif
/* 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);
if (xim && xim_style) {
xic = XCreateIC(xim, XNInputStyle, xim_style, XNClientWindow, x11_window, XNFocusWindow, x11_window, (char *)NULL);
if (XGetICValues(xic, XNFilterEvents, &im_event_mask, NULL) != NULL) {
WARN_PRINT("XGetICValues couldn't obtain XNFilterEvents value");
XDestroyIC(xic);
xic = NULL;
}
if (xic) {
XSetICFocus(xic);
} else {
WARN_PRINT("XCreateIC couldn't create xic");
}
} else {
xic = NULL;
WARN_PRINT("XCreateIC couldn't create xic");
}
cursor_size = XcursorGetDefaultSize(x11_display);
cursor_theme = XcursorGetTheme(x11_display);
if (!cursor_theme) {
if (is_stdout_verbose()) {
print_line("XcursorGetTheme could not get cursor theme");
}
cursor_theme = "default";
}
for (int i = 0; i < CURSOR_MAX; i++) {
cursors[i] = None;
img[i] = NULL;
}
current_cursor = CURSOR_ARROW;
if (cursor_theme) {
//print_line("cursor theme: "+String(cursor_theme));
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]);
//print_line("found cursor: "+String(cursor_file[i])+" id "+itos(cursors[i]));
} else {
if (OS::is_stdout_verbose())
print_line("failed cursor: " + String(cursor_file[i]));
}
}
}
{
Pixmap cursormask;
XGCValues xgc;
GC gc;
XColor col;
Cursor cursor;
cursormask = XCreatePixmap(x11_display, RootWindow(x11_display, DefaultScreen(x11_display)), 1, 1, 1);
xgc.function = GXclear;
gc = XCreateGC(x11_display, cursormask, GCFunction, &xgc);
XFillRectangle(x11_display, cursormask, gc, 0, 0, 1, 1);
col.pixel = 0;
col.red = 0;
col.flags = 4;
cursor = XCreatePixmapCursor(x11_display,
cursormask, cursormask,
&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;
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();
input = memnew(InputDefault);
window_has_focus = true; // Set focus to true at init
#ifdef JOYDEV_ENABLED
joypad = memnew(JoypadLinux(input));
#endif
_ensure_user_data_dir();
power_manager = memnew(PowerX11);
XEvent xevent;
while (XPending(x11_display) > 0) {
XNextEvent(x11_display, &xevent);
if (xevent.type == ConfigureNotify) {
_window_changed(&xevent);
}
}
return OK;
}
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 = NULL;
os->xic = NULL;
}
void OS_X11::set_ime_position(const Point2 &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);
XSetICValues(xic, XNPreeditAttributes, preedit_attr, NULL);
XFree(preedit_attr);
}
void OS_X11::finalize() {
if (main_loop)
memdelete(main_loop);
main_loop = NULL;
/*
if (debugger_connection_console) {
memdelete(debugger_connection_console);
}
*/
#ifdef JOYDEV_ENABLED
memdelete(joypad);
#endif
#ifdef TOUCH_ENABLED
touch.devices.clear();
touch.state.clear();
#endif
memdelete(input);
visual_server->finish();
memdelete(visual_server);
//memdelete(rasterizer);
memdelete(power_manager);
if (xrandr_handle)
dlclose(xrandr_handle);
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] != NULL)
XcursorImageDestroy(img[i]);
};
if (xic) {
XDestroyIC(xic);
}
if (xim) {
XCloseIM(xim);
}
XCloseDisplay(x11_display);
if (xmbstring)
memfree(xmbstring);
args.clear();
}
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)
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) {
XUndefineCursor(x11_display, x11_window); // 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) {
while (true) {
//flush pending motion events
if (XPending(x11_display) > 0) {
XEvent event;
XPeekEvent(x11_display, &event);
if (event.type == MotionNotify) {
XNextEvent(x11_display, &event);
} else {
break;
}
} else {
break;
}
}
if (XGrabPointer(
x11_display, x11_window, True,
ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
GrabModeAsync, GrabModeAsync, x11_window, None, CurrentTime) != GrabSuccess) {
ERR_PRINT("NO GRAB");
}
center.x = current_videomode.width / 2;
center.y = current_videomode.height / 2;
XWarpPointer(x11_display, None, x11_window,
0, 0, 0, 0, (int)center.x, (int)center.y);
input->set_mouse_position(center);
} else {
do_mouse_warp = false;
}
XFlush(x11_display);
}
void OS_X11::warp_mouse_position(const Point2 &p_to) {
if (mouse_mode == MOUSE_MODE_CAPTURED) {
last_mouse_pos = p_to;
} else {
/*XWindowAttributes xwa;
XGetWindowAttributes(x11_display, x11_window, &xwa);
printf("%d %d\n", xwa.x, xwa.y); needed? */
XWarpPointer(x11_display, None, x11_window,
0, 0, 0, 0, (int)p_to.x, (int)p_to.y);
}
}
OS::MouseMode OS_X11::get_mouse_mode() const {
return mouse_mode;
}
int OS_X11::get_mouse_button_state() const {
return last_button_state;
}
Point2 OS_X11::get_mouse_position() const {
return last_mouse_pos;
}
void OS_X11::set_window_title(const String &p_title) {
XStoreName(x11_display, x11_window, p_title.utf8().get_data());
Atom _net_wm_name = XInternAtom(x11_display, "_NET_WM_NAME", false);
Atom utf8_string = XInternAtom(x11_display, "UTF8_STRING", false);
XChangeProperty(x11_display, x11_window, _net_wm_name, utf8_string, 8, PropModeReplace, (unsigned char *)p_title.utf8().get_data(), p_title.utf8().length());
}
void OS_X11::set_video_mode(const VideoMode &p_video_mode, int p_screen) {
}
OS::VideoMode OS_X11::get_video_mode(int p_screen) const {
return current_videomode;
}
void OS_X11::get_fullscreen_mode_list(List<VideoMode> *p_list, int p_screen) const {
}
void OS_X11::set_wm_fullscreen(bool p_enabled) {
if (p_enabled && !get_borderless_window()) {
// remove decorations if the window is not already borderless
Hints hints;
Atom property;
hints.flags = 2;
hints.decorations = 0;
property = XInternAtom(x11_display, "_MOTIF_WM_HINTS", True);
XChangeProperty(x11_display, x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5);
}
if (p_enabled && !is_window_resizable()) {
// Set the window as resizable to prevent window managers to ignore the fullscreen state flag.
XSizeHints *xsh;
xsh = XAllocSizeHints();
xsh->flags = 0L;
XSetWMNormalHints(x11_display, x11_window, xsh);
XFree(xsh);
}
// Using EWMH -- Extended Window Manager Hints
XEvent xev;
Atom wm_state = XInternAtom(x11_display, "_NET_WM_STATE", False);
Atom wm_fullscreen = XInternAtom(x11_display, "_NET_WM_STATE_FULLSCREEN", False);
memset(&xev, 0, sizeof(xev));
xev.type = ClientMessage;
xev.xclient.window = x11_window;
xev.xclient.message_type = wm_state;
xev.xclient.format = 32;
xev.xclient.data.l[0] = p_enabled ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
xev.xclient.data.l[1] = wm_fullscreen;
xev.xclient.data.l[2] = 0;
XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
// set bypass compositor hint
Atom bypass_compositor = XInternAtom(x11_display, "_NET_WM_BYPASS_COMPOSITOR", False);
unsigned long compositing_disable_on = p_enabled ? 1 : 0;
XChangeProperty(x11_display, x11_window, bypass_compositor, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)&compositing_disable_on, 1);
XFlush(x11_display);
if (!p_enabled && !is_window_resizable()) {
// Reset the non-resizable flags if we un-set these before.
Size2 size = get_window_size();
XSizeHints *xsh;
xsh = XAllocSizeHints();
xsh->flags = PMinSize | PMaxSize;
xsh->min_width = size.x;
xsh->max_width = size.x;
xsh->min_height = size.y;
xsh->max_height = size.y;
XSetWMNormalHints(x11_display, x11_window, xsh);
XFree(xsh);
}
if (!p_enabled && !get_borderless_window()) {
// put decorations back if the window wasn't suppoesed to be borderless
Hints hints;
Atom property;
hints.flags = 2;
hints.decorations = 1;
property = XInternAtom(x11_display, "_MOTIF_WM_HINTS", True);
XChangeProperty(x11_display, x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5);
}
}
void OS_X11::set_wm_above(bool p_enabled) {
Atom wm_state = XInternAtom(x11_display, "_NET_WM_STATE", False);
Atom wm_above = XInternAtom(x11_display, "_NET_WM_STATE_ABOVE", False);
XClientMessageEvent xev;
memset(&xev, 0, sizeof(xev));
xev.type = ClientMessage;
xev.window = x11_window;
xev.message_type = wm_state;
xev.format = 32;
xev.data.l[0] = p_enabled ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
xev.data.l[1] = wm_above;
xev.data.l[3] = 1;
XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, (XEvent *)&xev);
}
int OS_X11::get_screen_count() const {
// Using Xinerama Extension
int event_base, error_base;
const Bool ext_okay = XineramaQueryExtension(x11_display, &event_base, &error_base);
if (!ext_okay) return 0;
int count;
XineramaScreenInfo *xsi = XineramaQueryScreens(x11_display, &count);
XFree(xsi);
return count;
}
int OS_X11::get_current_screen() const {
int x, y;
Window child;
XTranslateCoordinates(x11_display, x11_window, DefaultRootWindow(x11_display), 0, 0, &x, &y, &child);
int count = get_screen_count();
for (int i = 0; i < count; i++) {
Point2i pos = get_screen_position(i);
Size2i size = get_screen_size(i);
if ((x >= pos.x && x < pos.x + size.width) && (y >= pos.y && y < pos.y + size.height))
return i;
}
return 0;
}
void OS_X11::set_current_screen(int p_screen) {
int count = get_screen_count();
if (p_screen >= count) return;
if (current_videomode.fullscreen) {
Point2i position = get_screen_position(p_screen);
Size2i size = get_screen_size(p_screen);
XMoveResizeWindow(x11_display, x11_window, position.x, position.y, size.x, size.y);
} else {
if (p_screen != get_current_screen()) {
Point2i position = get_screen_position(p_screen);
XMoveWindow(x11_display, x11_window, position.x, position.y);
}
}
}
Point2 OS_X11::get_screen_position(int p_screen) const {
if (p_screen == -1) {
p_screen = get_current_screen();
}
// Using Xinerama Extension
int event_base, error_base;
const Bool ext_okay = XineramaQueryExtension(x11_display, &event_base, &error_base);
if (!ext_okay) {
return Point2i(0, 0);
}
int count;
XineramaScreenInfo *xsi = XineramaQueryScreens(x11_display, &count);
if (p_screen >= count) {
return Point2i(0, 0);
}
Point2i position = Point2i(xsi[p_screen].x_org, xsi[p_screen].y_org);
XFree(xsi);
return position;
}
Size2 OS_X11::get_screen_size(int p_screen) const {
if (p_screen == -1) {
p_screen = get_current_screen();
}
// Using Xinerama Extension
int event_base, error_base;
const Bool ext_okay = XineramaQueryExtension(x11_display, &event_base, &error_base);
if (!ext_okay) return Size2i(0, 0);
int count;
XineramaScreenInfo *xsi = XineramaQueryScreens(x11_display, &count);
if (p_screen >= count) return Size2i(0, 0);
Size2i size = Point2i(xsi[p_screen].width, xsi[p_screen].height);
XFree(xsi);
return size;
}
int OS_X11::get_screen_dpi(int p_screen) const {
if (p_screen == -1) {
p_screen = get_current_screen();
}
//invalid screen?
ERR_FAIL_INDEX_V(p_screen, get_screen_count(), 0);
//Get physical monitor Dimensions through XRandR and calculate dpi
Size2 sc = get_screen_size(p_screen);
if (xrandr_ext_ok) {
int count = 0;
if (xrr_get_monitors) {
xrr_monitor_info *monitors = xrr_get_monitors(x11_display, x11_window, true, &count);
if (p_screen < count) {
double xdpi = sc.width / (double)monitors[p_screen].mwidth * 25.4;
double ydpi = sc.height / (double)monitors[p_screen].mheight * 25.4;
xrr_free_monitors(monitors);
return (xdpi + ydpi) / 2;
}
xrr_free_monitors(monitors);
} else if (p_screen == 0) {
XRRScreenSize *sizes = XRRSizes(x11_display, 0, &count);
if (sizes) {
double xdpi = sc.width / (double)sizes[0].mwidth * 25.4;
double ydpi = sc.height / (double)sizes[0].mheight * 25.4;
return (xdpi + ydpi) / 2;
}
}
}
int width_mm = DisplayWidthMM(x11_display, p_screen);
int height_mm = DisplayHeightMM(x11_display, p_screen);
double xdpi = (width_mm ? sc.width / (double)width_mm * 25.4 : 0);
double ydpi = (height_mm ? sc.height / (double)height_mm * 25.4 : 0);
if (xdpi || xdpi)
return (xdpi + ydpi) / (xdpi && ydpi ? 2 : 1);
//could not get dpi
return 96;
}
Point2 OS_X11::get_window_position() const {
int x, y;
Window child;
XTranslateCoordinates(x11_display, x11_window, DefaultRootWindow(x11_display), 0, 0, &x, &y, &child);
int screen = get_current_screen();
Point2i screen_position = get_screen_position(screen);
return Point2i(x - screen_position.x, y - screen_position.y);
}
void OS_X11::set_window_position(const Point2 &p_position) {
XMoveWindow(x11_display, x11_window, p_position.x, p_position.y);
}
Size2 OS_X11::get_window_size() const {
// Use current_videomode width and height instead of XGetWindowAttributes
// since right after a XResizeWindow the attributes may not be updated yet
return Size2i(current_videomode.width, current_videomode.height);
}
Size2 OS_X11::get_real_window_size() const {
XWindowAttributes xwa;
XSync(x11_display, False);
XGetWindowAttributes(x11_display, x11_window, &xwa);
int w = xwa.width;
int h = xwa.height;
Atom prop = XInternAtom(x11_display, "_NET_FRAME_EXTENTS", True);
Atom type;
int format;
unsigned long len;
unsigned long remaining;
unsigned char *data = NULL;
if (XGetWindowProperty(x11_display, x11_window, prop, 0, 4, False, AnyPropertyType, &type, &format, &len, &remaining, &data) == Success) {
long *extents = (long *)data;
w += extents[0] + extents[1]; // left, right
h += extents[2] + extents[3]; // top, bottom
}
return Size2(w, h);
}
void OS_X11::set_window_size(const Size2 p_size) {
// If window resizable is disabled we need to update the attributes first
if (is_window_resizable() == false) {
XSizeHints *xsh;
xsh = XAllocSizeHints();
xsh->flags = PMinSize | PMaxSize;
xsh->min_width = p_size.x;
xsh->max_width = p_size.x;
xsh->min_height = p_size.y;
xsh->max_height = p_size.y;
XSetWMNormalHints(x11_display, x11_window, xsh);
XFree(xsh);
}
// Resize the window
XResizeWindow(x11_display, x11_window, p_size.x, p_size.y);
// Update our videomode width and height
current_videomode.width = p_size.x;
current_videomode.height = p_size.y;
}
void OS_X11::set_window_fullscreen(bool p_enabled) {
if (current_videomode.fullscreen == p_enabled)
return;
if (p_enabled && current_videomode.always_on_top) {
// Fullscreen + Always-on-top requires a maximized window on some window managers (Metacity)
set_window_maximized(true);
}
set_wm_fullscreen(p_enabled);
if (!p_enabled && !current_videomode.always_on_top) {
// Restore
set_window_maximized(false);
}
current_videomode.fullscreen = p_enabled;
}
bool OS_X11::is_window_fullscreen() const {
return current_videomode.fullscreen;
}
void OS_X11::set_window_resizable(bool p_enabled) {
XSizeHints *xsh;
Size2 size = get_window_size();
xsh = XAllocSizeHints();
xsh->flags = p_enabled ? 0L : PMinSize | PMaxSize;
if (!p_enabled) {
xsh->min_width = size.x;
xsh->max_width = size.x;
xsh->min_height = size.y;
xsh->max_height = size.y;
}
XSetWMNormalHints(x11_display, x11_window, xsh);
XFree(xsh);
current_videomode.resizable = p_enabled;
}
bool OS_X11::is_window_resizable() const {
return current_videomode.resizable;
}
void OS_X11::set_window_minimized(bool p_enabled) {
// Using ICCCM -- Inter-Client Communication Conventions Manual
XEvent xev;
Atom wm_change = XInternAtom(x11_display, "WM_CHANGE_STATE", False);
memset(&xev, 0, sizeof(xev));
xev.type = ClientMessage;
xev.xclient.window = x11_window;
xev.xclient.message_type = wm_change;
xev.xclient.format = 32;
xev.xclient.data.l[0] = p_enabled ? WM_IconicState : WM_NormalState;
XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
Atom wm_state = XInternAtom(x11_display, "_NET_WM_STATE", False);
Atom wm_hidden = XInternAtom(x11_display, "_NET_WM_STATE_HIDDEN", False);
memset(&xev, 0, sizeof(xev));
xev.type = ClientMessage;
xev.xclient.window = x11_window;
xev.xclient.message_type = wm_state;
xev.xclient.format = 32;
xev.xclient.data.l[0] = _NET_WM_STATE_ADD;
xev.xclient.data.l[1] = wm_hidden;
XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
}
bool OS_X11::is_window_minimized() const {
// Using ICCCM -- Inter-Client Communication Conventions Manual
Atom property = XInternAtom(x11_display, "WM_STATE", True);
Atom type;
int format;
unsigned long len;
unsigned long remaining;
unsigned char *data = NULL;
int result = XGetWindowProperty(
x11_display,
x11_window,
property,
0,
32,
False,
AnyPropertyType,
&type,
&format,
&len,
&remaining,
&data);
if (result == Success) {
long *state = (long *)data;
if (state[0] == WM_IconicState)
return true;
}
return false;
}
void OS_X11::set_window_maximized(bool p_enabled) {
if (is_window_maximized() == p_enabled)
return;
// Using EWMH -- Extended Window Manager Hints
XEvent xev;
Atom wm_state = XInternAtom(x11_display, "_NET_WM_STATE", False);
Atom wm_max_horz = XInternAtom(x11_display, "_NET_WM_STATE_MAXIMIZED_HORZ", False);
Atom wm_max_vert = XInternAtom(x11_display, "_NET_WM_STATE_MAXIMIZED_VERT", False);
memset(&xev, 0, sizeof(xev));
xev.type = ClientMessage;
xev.xclient.window = x11_window;
xev.xclient.message_type = wm_state;
xev.xclient.format = 32;
xev.xclient.data.l[0] = p_enabled ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
xev.xclient.data.l[1] = wm_max_horz;
xev.xclient.data.l[2] = wm_max_vert;
XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
if (is_window_maximize_allowed()) {
while (p_enabled && !is_window_maximized()) {
// Wait for effective resizing (so the GLX context is too).
}
}
maximized = p_enabled;
}
bool OS_X11::is_window_maximize_allowed() {
Atom property = XInternAtom(x11_display, "_NET_WM_ALLOWED_ACTIONS", False);
Atom type;
int format;
unsigned long len;
unsigned long remaining;
unsigned char *data = NULL;
int result = XGetWindowProperty(
x11_display,
x11_window,
property,
0,
1024,
False,
XA_ATOM,
&type,
&format,
&len,
&remaining,
&data);
if (result == Success) {
Atom *atoms = (Atom *)data;
Atom wm_act_max_horz = XInternAtom(x11_display, "_NET_WM_ACTION_MAXIMIZE_HORZ", False);
Atom wm_act_max_vert = XInternAtom(x11_display, "_NET_WM_ACTION_MAXIMIZE_VERT", False);
bool found_wm_act_max_horz = false;
bool found_wm_act_max_vert = false;
for (unsigned int i = 0; i < len; i++) {
if (atoms[i] == wm_act_max_horz)
found_wm_act_max_horz = true;
if (atoms[i] == wm_act_max_vert)
found_wm_act_max_vert = true;
if (found_wm_act_max_horz || found_wm_act_max_vert)
return true;
}
XFree(atoms);
}
return false;
}
bool OS_X11::is_window_maximized() const {
// Using EWMH -- Extended Window Manager Hints
Atom property = XInternAtom(x11_display, "_NET_WM_STATE", False);
Atom type;
int format;
unsigned long len;
unsigned long remaining;
unsigned char *data = NULL;
bool retval = false;
int result = XGetWindowProperty(
x11_display,
x11_window,
property,
0,
1024,
False,
XA_ATOM,
&type,
&format,
&len,
&remaining,
&data);
if (result == Success) {
Atom *atoms = (Atom *)data;
Atom wm_max_horz = XInternAtom(x11_display, "_NET_WM_STATE_MAXIMIZED_HORZ", False);
Atom wm_max_vert = XInternAtom(x11_display, "_NET_WM_STATE_MAXIMIZED_VERT", False);
bool found_wm_max_horz = false;
bool found_wm_max_vert = false;
for (unsigned int i = 0; i < len; i++) {
if (atoms[i] == wm_max_horz)
found_wm_max_horz = true;
if (atoms[i] == wm_max_vert)
found_wm_max_vert = true;
if (found_wm_max_horz && found_wm_max_vert) {
retval = true;
break;
}
}
}
XFree(data);
return retval;
}
void OS_X11::set_window_always_on_top(bool p_enabled) {
if (is_window_always_on_top() == p_enabled)
return;
if (p_enabled && current_videomode.fullscreen) {
// Fullscreen + Always-on-top requires a maximized window on some window managers (Metacity)
set_window_maximized(true);
}
set_wm_above(p_enabled);
if (!p_enabled && !current_videomode.fullscreen) {
// Restore
set_window_maximized(false);
}
current_videomode.always_on_top = p_enabled;
}
bool OS_X11::is_window_always_on_top() const {
return current_videomode.always_on_top;
}
void OS_X11::set_borderless_window(bool p_borderless) {
if (current_videomode.borderless_window == p_borderless)
return;
current_videomode.borderless_window = p_borderless;
Hints hints;
Atom property;
hints.flags = 2;
hints.decorations = current_videomode.borderless_window ? 0 : 1;
property = XInternAtom(x11_display, "_MOTIF_WM_HINTS", True);
XChangeProperty(x11_display, x11_window, property, property, 32, PropModeReplace, (unsigned char *)&hints, 5);
}
bool OS_X11::get_borderless_window() {
return current_videomode.borderless_window;
}
void OS_X11::request_attention() {
// Using EWMH -- Extended Window Manager Hints
//
// Sets the _NET_WM_STATE_DEMANDS_ATTENTION atom for WM_STATE
// Will be unset by the window manager after user react on the request for attention
//
XEvent xev;
Atom wm_state = XInternAtom(x11_display, "_NET_WM_STATE", False);
Atom wm_attention = XInternAtom(x11_display, "_NET_WM_STATE_DEMANDS_ATTENTION", False);
memset(&xev, 0, sizeof(xev));
xev.type = ClientMessage;
xev.xclient.window = x11_window;
xev.xclient.message_type = wm_state;
xev.xclient.format = 32;
xev.xclient.data.l[0] = _NET_WM_STATE_ADD;
xev.xclient.data.l[1] = wm_attention;
XSendEvent(x11_display, DefaultRootWindow(x11_display), False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
}
void OS_X11::get_key_modifier_state(unsigned int p_x11_state, Ref<InputEventWithModifiers> state) {
state->set_shift((p_x11_state & ShiftMask));
state->set_control((p_x11_state & ControlMask));
state->set_alt((p_x11_state & Mod1Mask /*|| p_x11_state&Mod5Mask*/)); //altgr should not count as alt
state->set_metakey((p_x11_state & Mod4Mask));
}
unsigned int OS_X11::get_mouse_button_state(unsigned int p_x11_state) {
unsigned int state = 0;
if (p_x11_state & Button1Mask) {
state |= 1 << 0;
}
if (p_x11_state & Button3Mask) {
state |= 1 << 1;
}
if (p_x11_state & Button2Mask) {
state |= 1 << 2;
}
if (p_x11_state & Button4Mask) {
state |= 1 << 3;
}
if (p_x11_state & Button5Mask) {
state |= 1 << 4;
}
last_button_state = state;
return state;
}
void OS_X11::handle_key_event(XKeyEvent *p_event, bool p_echo) {
// X11 functions don't know what const is
XKeyEvent *xkeyevent = p_event;
// This code was pretty difficult to write.
// The docs stink and every toolkit seems to
// do it in a different way.
/* Phase 1, obtain a proper keysym */
// This was also very difficult to figure out.
// You'd expect you could just use Keysym provided by
// XKeycodeToKeysym to obtain internationalized
// input.. WRONG!!
// you must use XLookupString (???) which not only wastes
// cycles generating an unnecessary string, but also
// still works in half the cases. (won't handle deadkeys)
// For more complex input methods (deadkeys and more advanced)
// you have to use XmbLookupString (??).
// So.. then you have to chosse which of both results
// you want to keep.
// This is a real bizarreness and cpu waster.
KeySym keysym_keycode = 0; // keysym used to find a keycode
KeySym keysym_unicode = 0; // keysym used to find unicode
// XLookupString returns keysyms usable as nice scancodes/
char str[256 + 1];
XLookupString(xkeyevent, str, 256, &keysym_keycode, NULL);
// Meanwhile, XLookupString returns keysyms useful for unicode.
if (!xmbstring) {
// keep a temporary buffer for the string
xmbstring = (char *)memalloc(sizeof(char) * 8);
xmblen = 8;
}
keysym_unicode = keysym_keycode;
if (xkeyevent->type == KeyPress && xic) {
Status status;
#ifdef X_HAVE_UTF8_STRING
int utf8len = 8;
char *utf8string = (char *)memalloc(sizeof(char) * utf8len);
int utf8bytes = Xutf8LookupString(xic, xkeyevent, utf8string,
utf8len - 1, &keysym_unicode, &status);
if (status == XBufferOverflow) {
utf8len = utf8bytes + 1;
utf8string = (char *)memrealloc(utf8string, utf8len);
utf8bytes = Xutf8LookupString(xic, xkeyevent, utf8string,
utf8len - 1, &keysym_unicode, &status);
}
utf8string[utf8bytes] = '\0';
if (status == XLookupChars) {
bool keypress = xkeyevent->type == KeyPress;
unsigned int keycode = KeyMappingX11::get_keycode(keysym_keycode);
if (keycode >= 'a' && keycode <= 'z')
keycode -= 'a' - 'A';
String tmp;
tmp.parse_utf8(utf8string, utf8bytes);
for (int i = 0; i < tmp.length(); i++) {
Ref<InputEventKey> k;
k.instance();
if (keycode == 0 && tmp[i] == 0) {
continue;
}
get_key_modifier_state(xkeyevent->state, k);
k->set_unicode(tmp[i]);
k->set_pressed(keypress);
k->set_scancode(keycode);
k->set_echo(false);
if (k->get_scancode() == KEY_BACKTAB) {
//make it consistent across platforms.
k->set_scancode(KEY_TAB);
k->set_shift(true);
}
input->parse_input_event(k);
}
return;
}
memfree(utf8string);
#else
do {
int mnbytes = XmbLookupString(xic, xkeyevent, xmbstring, xmblen - 1, &keysym_unicode, &status);
xmbstring[mnbytes] = '\0';
if (status == XBufferOverflow) {
xmblen = mnbytes + 1;
xmbstring = (char *)memrealloc(xmbstring, xmblen);
}
} while (status == XBufferOverflow);
#endif
}
/* Phase 2, obtain a pigui keycode from the keysym */
// KeyMappingX11 just translated the X11 keysym to a PIGUI
// keysym, so it works in all platforms the same.
unsigned int keycode = KeyMappingX11::get_keycode(keysym_keycode);
/* Phase 3, obtain a unicode character from the keysym */
// KeyMappingX11 also translates keysym to unicode.
// It does a binary search on a table to translate
// most properly.
//print_line("keysym_unicode: "+rtos(keysym_unicode));
unsigned int unicode = keysym_unicode > 0 ? KeyMappingX11::get_unicode_from_keysym(keysym_unicode) : 0;
/* Phase 4, determine if event must be filtered */
// This seems to be a side-effect of using XIM.
// XEventFilter looks like a core X11 function,
// but it's actually just used to see if we must
// ignore a deadkey, or events XIM determines
// must not reach the actual gui.
// Guess it was a design problem of the extension
bool keypress = xkeyevent->type == KeyPress;
if (keycode == 0 && unicode == 0)
return;
/* Phase 5, determine modifier mask */
// No problems here, except I had no way to
// know Mod1 was ALT and Mod4 was META (applekey/winkey)
// just tried Mods until i found them.
//print_line("mod1: "+itos(xkeyevent->state&Mod1Mask)+" mod 5: "+itos(xkeyevent->state&Mod5Mask));
Ref<InputEventKey> k;
k.instance();
get_key_modifier_state(xkeyevent->state, k);
/* Phase 6, determine echo character */
// Echo characters in X11 are a keyrelease and a keypress
// one after the other with the (almot) same timestamp.
// To detect them, i use XPeekEvent and check that their
// difference in time is below a threshold.
if (xkeyevent->type != KeyPress) {
p_echo = false;
// make sure there are events pending,
// so this call won't block.
if (XPending(x11_display) > 0) {
XEvent peek_event;
XPeekEvent(x11_display, &peek_event);
// I'm using a threshold of 5 msecs,
// since sometimes there seems to be a little
// jitter. I'm still not convinced that all this approach
// is correct, but the xorg developers are
// not very helpful today.
::Time tresh = ABS(peek_event.xkey.time - xkeyevent->time);
if (peek_event.type == KeyPress && tresh < 5) {
KeySym rk;
XLookupString((XKeyEvent *)&peek_event, str, 256, &rk, NULL);
if (rk == keysym_keycode) {
XEvent event;
XNextEvent(x11_display, &event); //erase next event
handle_key_event((XKeyEvent *)&event, true);
return; //ignore current, echo next
}
}
// use the time from peek_event so it always works
}
// save the time to check for echo when keypress happens
}
/* Phase 7, send event to Window */
k->set_pressed(keypress);
if (keycode >= 'a' && keycode <= 'z')
keycode -= 'a' - 'A';
k->set_scancode(keycode);
k->set_unicode(unicode);
k->set_echo(p_echo);
if (k->get_scancode() == KEY_BACKTAB) {
//make it consistent across platforms.
k->set_scancode(KEY_TAB);
k->set_shift(true);
}
//don't set mod state if modifier keys are released by themselves
//else event.is_action() will not work correctly here
if (!k->is_pressed()) {
if (k->get_scancode() == KEY_SHIFT)
k->set_shift(false);
else if (k->get_scancode() == KEY_CONTROL)
k->set_control(false);
else if (k->get_scancode() == KEY_ALT)
k->set_alt(false);
else if (k->get_scancode() == KEY_META)
k->set_metakey(false);
}
bool last_is_pressed = Input::get_singleton()->is_key_pressed(k->get_scancode());
if (k->is_pressed()) {
if (last_is_pressed) {
k->set_echo(true);
}
} else {
//ignore
if (last_is_pressed == false) {
return;
}
}
//printf("key: %x\n",k->get_scancode());
input->parse_input_event(k);
}
struct Property {
unsigned char *data;
int format, nitems;
Atom type;
};
static Property read_property(Display *p_display, Window p_window, Atom p_property) {
Atom actual_type;
int actual_format;
unsigned long nitems;
unsigned long bytes_after;
unsigned char *ret = 0;
int read_bytes = 1024;
//Keep trying to read the property until there are no
//bytes unread.
do {
if (ret != 0)
XFree(ret);
XGetWindowProperty(p_display, p_window, p_property, 0, read_bytes, False, AnyPropertyType,
&actual_type, &actual_format, &nitems, &bytes_after,
&ret);
read_bytes *= 2;
} while (bytes_after != 0);
Property p = { ret, actual_format, (int)nitems, actual_type };
return p;
}
static Atom pick_target_from_list(Display *p_display, Atom *p_list, int p_count) {
static const char *target_type = "text/uri-list";
for (int i = 0; i < p_count; i++) {
Atom atom = p_list[i];
if (atom != None && String(XGetAtomName(p_display, atom)) == target_type)
return atom;
}
return None;
}
static Atom pick_target_from_atoms(Display *p_disp, Atom p_t1, Atom p_t2, Atom p_t3) {
static const char *target_type = "text/uri-list";
if (p_t1 != None && String(XGetAtomName(p_disp, p_t1)) == target_type)
return p_t1;
if (p_t2 != None && String(XGetAtomName(p_disp, p_t2)) == target_type)
return p_t2;
if (p_t3 != None && String(XGetAtomName(p_disp, p_t3)) == target_type)
return p_t3;
return None;
}
void OS_X11::_window_changed(XEvent *event) {
if (xic) {
// Not portable.
set_ime_position(Point2(0, 1));
}
if ((event->xconfigure.width == current_videomode.width) &&
(event->xconfigure.height == current_videomode.height))
return;
current_videomode.width = event->xconfigure.width;
current_videomode.height = event->xconfigure.height;
}
void OS_X11::process_xevents() {
//printf("checking events %i\n", XPending(x11_display));
do_mouse_warp = false;
// Is the current mouse mode one where it needs to be grabbed.
bool mouse_mode_grab = mouse_mode == MOUSE_MODE_CAPTURED || mouse_mode == MOUSE_MODE_CONFINED;
while (XPending(x11_display) > 0) {
XEvent event;
XNextEvent(x11_display, &event);
if (XFilterEvent(&event, None)) {
continue;
}
#ifdef TOUCH_ENABLED
if (XGetEventData(x11_display, &event.xcookie)) {
if (event.xcookie.type == GenericEvent && event.xcookie.extension == touch.opcode) {
XIDeviceEvent *event_data = (XIDeviceEvent *)event.xcookie.data;
int index = event_data->detail;
Vector2 pos = Vector2(event_data->event_x, event_data->event_y);
switch (event_data->evtype) {
case XI_TouchBegin: // Fall-through
// Disabled hand-in-hand with the grabbing
//XIAllowTouchEvents(x11_display, event_data->deviceid, event_data->detail, x11_window, XIAcceptTouch);
case XI_TouchEnd: {
bool is_begin = event_data->evtype == XI_TouchBegin;
Ref<InputEventScreenTouch> st;
st.instance();
st->set_index(index);
st->set_position(pos);
st->set_pressed(is_begin);
if (is_begin) {
if (touch.state.has(index)) // Defensive
break;
touch.state[index] = pos;
if (touch.state.size() == 1) {
// X11 may send a motion event when a touch gesture begins, that would result
// in a spurious mouse motion event being sent to Godot; remember it to be able to filter it out
touch.mouse_pos_to_filter = pos;
}
input->parse_input_event(st);
} else {
if (!touch.state.has(index)) // Defensive
break;
touch.state.erase(index);
input->parse_input_event(st);
}
} break;
case XI_TouchUpdate: {
Map<int, Vector2>::Element *curr_pos_elem = touch.state.find(index);
if (!curr_pos_elem) { // Defensive
break;
}
if (curr_pos_elem->value() != pos) {
Ref<InputEventScreenDrag> sd;
sd.instance();
sd->set_index(index);
sd->set_position(pos);
sd->set_relative(pos - curr_pos_elem->value());
input->parse_input_event(sd);
curr_pos_elem->value() = pos;
}
} break;
}
}
}
XFreeEventData(x11_display, &event.xcookie);
#endif
switch (event.type) {
case Expose:
Main::force_redraw();
break;
case NoExpose:
minimized = true;
break;
case VisibilityNotify: {
XVisibilityEvent *visibility = (XVisibilityEvent *)&event;
minimized = (visibility->state == VisibilityFullyObscured);
} break;
case LeaveNotify: {
if (main_loop && !mouse_mode_grab)
main_loop->notification(MainLoop::NOTIFICATION_WM_MOUSE_EXIT);
if (input)
input->set_mouse_in_window(false);
} break;
case EnterNotify: {
if (main_loop && !mouse_mode_grab)
main_loop->notification(MainLoop::NOTIFICATION_WM_MOUSE_ENTER);
if (input)
input->set_mouse_in_window(true);
} break;
case FocusIn:
minimized = false;
window_has_focus = true;
main_loop->notification(MainLoop::NOTIFICATION_WM_FOCUS_IN);
if (mouse_mode_grab) {
// Show and update the cursor if confined and the window regained focus.
if (mouse_mode == MOUSE_MODE_CONFINED)
XUndefineCursor(x11_display, x11_window);
else if (mouse_mode == MOUSE_MODE_CAPTURED) // or re-hide it in captured mode
XDefineCursor(x11_display, x11_window, null_cursor);
XGrabPointer(
x11_display, x11_window, True,
ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
GrabModeAsync, GrabModeAsync, x11_window, None, CurrentTime);
}
#ifdef TOUCH_ENABLED
// Grab touch devices to avoid OS gesture interference
/*for (int i = 0; i < touch.devices.size(); ++i) {
XIGrabDevice(x11_display, touch.devices[i], x11_window, CurrentTime, None, XIGrabModeAsync, XIGrabModeAsync, False, &touch.event_mask);
}*/
#endif
if (xic) {
XSetICFocus(xic);
}
break;
case FocusOut:
window_has_focus = false;
main_loop->notification(MainLoop::NOTIFICATION_WM_FOCUS_OUT);
if (mouse_mode_grab) {
//dear X11, I try, I really try, but you never work, you do whathever you want.
if (mouse_mode == MOUSE_MODE_CAPTURED) {
// Show the cursor if we're in captured mode so it doesn't look weird.
XUndefineCursor(x11_display, x11_window);
}
XUngrabPointer(x11_display, CurrentTime);
}
#ifdef TOUCH_ENABLED
// Ungrab touch devices so input works as usual while we are unfocused
/*for (int i = 0; i < touch.devices.size(); ++i) {
XIUngrabDevice(x11_display, touch.devices[i], CurrentTime);
}*/
// Release every pointer to avoid sticky points
for (Map<int, Vector2>::Element *E = touch.state.front(); E; E = E->next()) {
Ref<InputEventScreenTouch> st;
st.instance();
st->set_index(E->key());
st->set_position(E->get());
input->parse_input_event(st);
}
touch.state.clear();
#endif
if (xic) {
XUnsetICFocus(xic);
}
break;
case ConfigureNotify:
_window_changed(&event);
break;
case ButtonPress:
case ButtonRelease: {
/* exit in case of a mouse button press */
last_timestamp = event.xbutton.time;
if (mouse_mode == MOUSE_MODE_CAPTURED) {
event.xbutton.x = last_mouse_pos.x;
event.xbutton.y = last_mouse_pos.y;
}
Ref<InputEventMouseButton> mb;
mb.instance();
get_key_modifier_state(event.xbutton.state, mb);
mb->set_button_mask(get_mouse_button_state(event.xbutton.state));
mb->set_position(Vector2(event.xbutton.x, event.xbutton.y));
mb->set_global_position(mb->get_position());
mb->set_button_index(event.xbutton.button);
if (mb->get_button_index() == 2)
mb->set_button_index(3);
else if (mb->get_button_index() == 3)
mb->set_button_index(2);
mb->set_pressed((event.type == ButtonPress));
if (event.type == ButtonPress && event.xbutton.button == 1) {
uint64_t diff = get_ticks_usec() / 1000 - last_click_ms;
if (diff < 400 && Point2(last_click_pos).distance_to(Point2(event.xbutton.x, event.xbutton.y)) < 5) {
last_click_ms = 0;
last_click_pos = Point2(-100, -100);
mb->set_doubleclick(true);
} else {
last_click_ms += diff;
last_click_pos = Point2(event.xbutton.x, event.xbutton.y);
}
}
input->parse_input_event(mb);
} break;
case MotionNotify: {
// FUCK YOU X11 API YOU SERIOUSLY GROSS ME OUT
// YOU ARE AS GROSS AS LOOKING AT A PUTRID PILE
// OF POOP STICKING OUT OF A CLOGGED TOILET
// HOW THE FUCK I AM SUPPOSED TO KNOW WHICH ONE
// OF THE MOTION NOTIFY EVENTS IS THE ONE GENERATED
// BY WARPING THE MOUSE POINTER?
// YOU ARE FORCING ME TO FILTER ONE BY ONE TO FIND IT
// PLEASE DO ME A FAVOR AND DIE DROWNED IN A FECAL
// MOUNTAIN BECAUSE THAT'S WHERE YOU BELONG.
while (true) {
if (mouse_mode == MOUSE_MODE_CAPTURED && event.xmotion.x == current_videomode.width / 2 && event.xmotion.y == current_videomode.height / 2) {
//this is likely the warp event since it was warped here
center = Vector2(event.xmotion.x, event.xmotion.y);
break;
}
if (XPending(x11_display) > 0) {
XEvent tevent;
XPeekEvent(x11_display, &tevent);
if (tevent.type == MotionNotify) {
XNextEvent(x11_display, &event);
} else {
break;
}
} else {
break;
}
}
last_timestamp = event.xmotion.time;
// Motion is also simple.
// A little hack is in order
// to be able to send relative motion events.
Point2i pos(event.xmotion.x, event.xmotion.y);
// Avoidance of spurious mouse motion (see handling of touch)
bool filter = false;
// Adding some tolerance to match better Point2i to Vector2
if (touch.state.size() && Vector2(pos).distance_squared_to(touch.mouse_pos_to_filter) < 2) {
filter = true;
}
// Invalidate to avoid filtering a possible legitimate similar event coming later
touch.mouse_pos_to_filter = Vector2(1e10, 1e10);
if (filter) {
break;
}
if (mouse_mode == MOUSE_MODE_CAPTURED) {
if (pos == Point2i(current_videomode.width / 2, current_videomode.height / 2)) {
//this sucks, it's a hack, etc and is a little inaccurate, etc.
//but nothing I can do, X11 sucks.
center = pos;
break;
}
Point2i new_center = pos;
pos = last_mouse_pos + (pos - center);
center = new_center;
do_mouse_warp = window_has_focus; // warp the cursor if we're focused in
}
if (!last_mouse_pos_valid) {
last_mouse_pos = pos;
last_mouse_pos_valid = true;
}
Point2i rel = pos - last_mouse_pos;
Ref<InputEventMouseMotion> mm;
mm.instance();
get_key_modifier_state(event.xmotion.state, mm);
mm->set_button_mask(get_mouse_button_state(event.xmotion.state));
mm->set_position(pos);
mm->set_global_position(pos);
input->set_mouse_position(pos);
mm->set_speed(input->get_last_mouse_speed());
mm->set_relative(rel);
last_mouse_pos = pos;
// printf("rel: %d,%d\n", rel.x, rel.y );
// Don't propagate the motion event unless we have focus
// this is so that the relative motion doesn't get messed up
// after we regain focus.
if (window_has_focus || !mouse_mode_grab)
input->parse_input_event(mm);
} break;
case KeyPress:
case KeyRelease: {
last_timestamp = event.xkey.time;
// key event is a little complex, so
// it will be handled in it's own function.
handle_key_event((XKeyEvent *)&event);
} break;
case SelectionRequest: {
XSelectionRequestEvent *req;
XEvent e, respond;
e = event;
req = &(e.xselectionrequest);
if (req->target == XInternAtom(x11_display, "UTF8_STRING", 0) ||
req->target == XInternAtom(x11_display, "COMPOUND_TEXT", 0) ||
req->target == XInternAtom(x11_display, "TEXT", 0) ||
req->target == XA_STRING ||
req->target == XInternAtom(x11_display, "text/plain;charset=utf-8", 0) ||
req->target == XInternAtom(x11_display, "text/plain", 0)) {
CharString clip = OS::get_clipboard().utf8();
XChangeProperty(x11_display,
req->requestor,
req->property,
req->target,
8,
PropModeReplace,
(unsigned char *)clip.get_data(),
clip.length());
respond.xselection.property = req->property;
} else if (req->target == XInternAtom(x11_display, "TARGETS", 0)) {
Atom data[7];
data[0] = XInternAtom(x11_display, "TARGETS", 0);
data[1] = XInternAtom(x11_display, "UTF8_STRING", 0);
data[2] = XInternAtom(x11_display, "COMPOUND_TEXT", 0);
data[3] = XInternAtom(x11_display, "TEXT", 0);
data[4] = XA_STRING;
data[5] = XInternAtom(x11_display, "text/plain;charset=utf-8", 0);
data[6] = XInternAtom(x11_display, "text/plain", 0);
XChangeProperty(x11_display,
req->requestor,
req->property,
XA_ATOM,
32,
PropModeReplace,
(unsigned char *)&data,
sizeof(data) / sizeof(data[0]));
respond.xselection.property = req->property;
} else {
char *targetname = XGetAtomName(x11_display, req->target);
printf("No Target '%s'\n", targetname);
if (targetname)
XFree(targetname);
respond.xselection.property = None;
}
respond.xselection.type = SelectionNotify;
respond.xselection.display = req->display;
respond.xselection.requestor = req->requestor;
respond.xselection.selection = req->selection;
respond.xselection.target = req->target;
respond.xselection.time = req->time;
XSendEvent(x11_display, req->requestor, True, NoEventMask, &respond);
XFlush(x11_display);
} break;
case SelectionNotify:
if (event.xselection.target == requested) {
Property p = read_property(x11_display, x11_window, XInternAtom(x11_display, "PRIMARY", 0));
Vector<String> files = String((char *)p.data).split("\n", false);
for (int i = 0; i < files.size(); i++) {
files[i] = files[i].replace("file://", "").replace("%20", " ").strip_escapes();
}
main_loop->drop_files(files);
//Reply that all is well.
XClientMessageEvent m;
memset(&m, 0, sizeof(m));
m.type = ClientMessage;
m.display = x11_display;
m.window = xdnd_source_window;
m.message_type = xdnd_finished;
m.format = 32;
m.data.l[0] = x11_window;
m.data.l[1] = 1;
m.data.l[2] = xdnd_action_copy; //We only ever copy.
XSendEvent(x11_display, xdnd_source_window, False, NoEventMask, (XEvent *)&m);
}
break;
case ClientMessage:
if ((unsigned int)event.xclient.data.l[0] == (unsigned int)wm_delete)
main_loop->notification(MainLoop::NOTIFICATION_WM_QUIT_REQUEST);
else if ((unsigned int)event.xclient.message_type == (unsigned int)xdnd_enter) {
//File(s) have been dragged over the window, check for supported target (text/uri-list)
xdnd_version = (event.xclient.data.l[1] >> 24);
Window source = event.xclient.data.l[0];
bool more_than_3 = event.xclient.data.l[1] & 1;
if (more_than_3) {
Property p = read_property(x11_display, source, XInternAtom(x11_display, "XdndTypeList", False));
requested = pick_target_from_list(x11_display, (Atom *)p.data, p.nitems);
} else
requested = pick_target_from_atoms(x11_display, event.xclient.data.l[2], event.xclient.data.l[3], event.xclient.data.l[4]);
} else if ((unsigned int)event.xclient.message_type == (unsigned int)xdnd_position) {
//xdnd position event, reply with an XDND status message
//just depending on type of data for now
XClientMessageEvent m;
memset(&m, 0, sizeof(m));
m.type = ClientMessage;
m.display = event.xclient.display;
m.window = event.xclient.data.l[0];
m.message_type = xdnd_status;
m.format = 32;
m.data.l[0] = x11_window;
m.data.l[1] = (requested != None);
m.data.l[2] = 0; //empty rectangle
m.data.l[3] = 0;
m.data.l[4] = xdnd_action_copy;
XSendEvent(x11_display, event.xclient.data.l[0], False, NoEventMask, (XEvent *)&m);
XFlush(x11_display);
} else if ((unsigned int)event.xclient.message_type == (unsigned int)xdnd_drop) {
if (requested != None) {
xdnd_source_window = event.xclient.data.l[0];
if (xdnd_version >= 1)
XConvertSelection(x11_display, xdnd_selection, requested, XInternAtom(x11_display, "PRIMARY", 0), x11_window, event.xclient.data.l[2]);
else
XConvertSelection(x11_display, xdnd_selection, requested, XInternAtom(x11_display, "PRIMARY", 0), x11_window, CurrentTime);
} else {
//Reply that we're not interested.
XClientMessageEvent m;
memset(&m, 0, sizeof(m));
m.type = ClientMessage;
m.display = event.xclient.display;
m.window = event.xclient.data.l[0];
m.message_type = xdnd_finished;
m.format = 32;
m.data.l[0] = x11_window;
m.data.l[1] = 0;
m.data.l[2] = None; //Failed.
XSendEvent(x11_display, event.xclient.data.l[0], False, NoEventMask, (XEvent *)&m);
}
}
break;
default:
break;
}
}
XFlush(x11_display);
if (do_mouse_warp) {
XWarpPointer(x11_display, None, x11_window,
0, 0, 0, 0, (int)current_videomode.width / 2, (int)current_videomode.height / 2);
/*
Window root, child;
int root_x, root_y;
int win_x, win_y;
unsigned int mask;
XQueryPointer( x11_display, x11_window, &root, &child, &root_x, &root_y, &win_x, &win_y, &mask );
printf("Root: %d,%d\n", root_x, root_y);
printf("Win: %d,%d\n", win_x, win_y);
*/
}
}
MainLoop *OS_X11::get_main_loop() const {
return main_loop;
}
void OS_X11::delete_main_loop() {
if (main_loop)
memdelete(main_loop);
main_loop = NULL;
}
void OS_X11::set_main_loop(MainLoop *p_main_loop) {
main_loop = p_main_loop;
input->set_main_loop(p_main_loop);
}
bool OS_X11::can_draw() const {
return !minimized;
};
void OS_X11::set_clipboard(const String &p_text) {
OS::set_clipboard(p_text);
XSetSelectionOwner(x11_display, XA_PRIMARY, x11_window, CurrentTime);
XSetSelectionOwner(x11_display, XInternAtom(x11_display, "CLIPBOARD", 0), x11_window, CurrentTime);
};
static String _get_clipboard_impl(Atom p_source, Window x11_window, ::Display *x11_display, String p_internal_clipboard, Atom target) {
String ret;
Atom type;
Atom selection = XA_PRIMARY;
int format, result;
unsigned long len, bytes_left, dummy;
unsigned char *data;
Window Sown = XGetSelectionOwner(x11_display, p_source);
if (Sown == x11_window) {
return p_internal_clipboard;
};
if (Sown != None) {
XConvertSelection(x11_display, p_source, target, selection,
x11_window, CurrentTime);
XFlush(x11_display);
while (true) {
XEvent event;
XNextEvent(x11_display, &event);
if (event.type == SelectionNotify && event.xselection.requestor == x11_window) {
break;
};
};
//
// Do not get any data, see how much data is there
//
XGetWindowProperty(x11_display, x11_window,
selection, // Tricky..
0, 0, // offset - len
0, // Delete 0==FALSE
AnyPropertyType, //flag
&type, // return type
&format, // return format
&len, &bytes_left, //that
&data);
// DATA is There
if (bytes_left > 0) {
result = XGetWindowProperty(x11_display, x11_window,
selection, 0, bytes_left, 0,
AnyPropertyType, &type, &format,
&len, &dummy, &data);
if (result == Success) {
ret.parse_utf8((const char *)data);
} else
printf("FAIL\n");
XFree(data);
}
}
return ret;
}
static String _get_clipboard(Atom p_source, Window x11_window, ::Display *x11_display, String p_internal_clipboard) {
String ret;
Atom utf8_atom = XInternAtom(x11_display, "UTF8_STRING", True);
if (utf8_atom != None) {
ret = _get_clipboard_impl(p_source, x11_window, x11_display, p_internal_clipboard, utf8_atom);
}
if (ret == "") {
ret = _get_clipboard_impl(p_source, x11_window, x11_display, p_internal_clipboard, XA_STRING);
}
return ret;
}
String OS_X11::get_clipboard() const {
String ret;
ret = _get_clipboard(XInternAtom(x11_display, "CLIPBOARD", 0), x11_window, x11_display, OS::get_clipboard());
if (ret == "") {
ret = _get_clipboard(XA_PRIMARY, x11_window, x11_display, OS::get_clipboard());
};
return ret;
}
String OS_X11::get_name() {
return "X11";
}
Error OS_X11::shell_open(String p_uri) {
Error ok;
List<String> args;
args.push_back(p_uri);
ok = execute("xdg-open", args, false);
if (ok == OK)
return OK;
ok = execute("gnome-open", args, false);
if (ok == OK)
return OK;
ok = execute("kde-open", args, false);
return ok;
}
bool OS_X11::_check_internal_feature_support(const String &p_feature) {
return p_feature == "pc" || p_feature == "s3tc";
}
String OS_X11::get_config_path() const {
if (has_environment("XDG_CONFIG_HOME")) {
return get_environment("XDG_CONFIG_HOME");
} else if (has_environment("HOME")) {
return get_environment("HOME").plus_file(".config");
} else {
return ".";
}
}
String OS_X11::get_data_path() const {
if (has_environment("XDG_DATA_HOME")) {
return get_environment("XDG_DATA_HOME");
} else if (has_environment("HOME")) {
return get_environment("HOME").plus_file(".local/share");
} else {
return get_config_path();
}
}
String OS_X11::get_cache_path() const {
if (has_environment("XDG_CACHE_HOME")) {
return get_environment("XDG_CACHE_HOME");
} else if (has_environment("HOME")) {
return get_environment("HOME").plus_file(".cache");
} else {
return get_config_path();
}
}
String OS_X11::get_system_dir(SystemDir p_dir) const {
String xdgparam;
switch (p_dir) {
case SYSTEM_DIR_DESKTOP: {
xdgparam = "DESKTOP";
} break;
case SYSTEM_DIR_DCIM: {
xdgparam = "PICTURES";
} break;
case SYSTEM_DIR_DOCUMENTS: {
xdgparam = "DOCUMENTS";
} break;
case SYSTEM_DIR_DOWNLOADS: {
xdgparam = "DOWNLOAD";
} break;
case SYSTEM_DIR_MOVIES: {
xdgparam = "VIDEOS";
} break;
case SYSTEM_DIR_MUSIC: {
xdgparam = "MUSIC";
} break;
case SYSTEM_DIR_PICTURES: {
xdgparam = "PICTURES";
} break;
case SYSTEM_DIR_RINGTONES: {
xdgparam = "MUSIC";
} break;
}
String pipe;
List<String> arg;
arg.push_back(xdgparam);
Error err = const_cast<OS_X11 *>(this)->execute("xdg-user-dir", arg, true, NULL, &pipe);
if (err != OK)
return ".";
return pipe.strip_edges();
}
void OS_X11::move_window_to_foreground() {
XRaiseWindow(x11_display, x11_window);
}
void OS_X11::set_cursor_shape(CursorShape p_shape) {
ERR_FAIL_INDEX(p_shape, CURSOR_MAX);
if (p_shape == current_cursor)
return;
if (mouse_mode == MOUSE_MODE_VISIBLE) {
if (cursors[p_shape] != None)
XDefineCursor(x11_display, x11_window, cursors[p_shape]);
else if (cursors[CURSOR_ARROW] != None)
XDefineCursor(x11_display, x11_window, cursors[CURSOR_ARROW]);
}
current_cursor = p_shape;
}
void OS_X11::set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) {
if (p_cursor.is_valid()) {
Ref<Texture> texture = p_cursor;
Ref<Image> image = texture->get_data();
ERR_FAIL_COND(texture->get_width() != 32 || texture->get_height() != 32);
// Create the cursor structure
XcursorImage *cursor_image = XcursorImageCreate(texture->get_width(), texture->get_height());
XcursorUInt image_size = 32 * 32;
XcursorDim size = sizeof(XcursorPixel) * image_size;
cursor_image->version = 1;
cursor_image->size = size;
cursor_image->xhot = p_hotspot.x;
cursor_image->yhot = p_hotspot.y;
// allocate memory to contain the whole file
cursor_image->pixels = (XcursorPixel *)malloc(size);
image->lock();
for (XcursorPixel index = 0; index < image_size; index++) {
int column_index = floor(index / 32);
int row_index = index % 32;
*(cursor_image->pixels + index) = image->get_pixel(row_index, column_index).to_argb32();
}
image->unlock();
ERR_FAIL_COND(cursor_image->pixels == NULL);
// Save it for a further usage
cursors[p_shape] = XcursorImageLoadCursor(x11_display, cursor_image);
if (p_shape == CURSOR_ARROW) {
XDefineCursor(x11_display, x11_window, cursors[p_shape]);
}
}
}
void OS_X11::release_rendering_thread() {
context_gl->release_current();
}
void OS_X11::make_rendering_thread() {
context_gl->make_current();
}
void OS_X11::swap_buffers() {
context_gl->swap_buffers();
}
void OS_X11::alert(const String &p_alert, const String &p_title) {
List<String> args;
args.push_back("-center");
args.push_back("-title");
args.push_back(p_title);
args.push_back(p_alert);
execute("xmessage", args, true);
}
void OS_X11::set_icon(const Ref<Image> &p_icon) {
Atom net_wm_icon = XInternAtom(x11_display, "_NET_WM_ICON", False);
if (p_icon.is_valid()) {
Ref<Image> img = p_icon->duplicate();
img->convert(Image::FORMAT_RGBA8);
int w = img->get_width();
int h = img->get_height();
// We're using long to have wordsize (32Bit build -> 32 Bits, 64 Bit build -> 64 Bits
Vector<long> pd;
pd.resize(2 + w * h);
pd[0] = w;
pd[1] = h;
PoolVector<uint8_t>::Read r = img->get_data().read();
long *wr = &pd[2];
uint8_t const *pr = r.ptr();
for (int i = 0; i < w * h; i++) {
long v = 0;
// A R G B
v |= pr[3] << 24 | pr[0] << 16 | pr[1] << 8 | pr[2];
*wr++ = v;
pr += 4;
}
XChangeProperty(x11_display, x11_window, net_wm_icon, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)pd.ptr(), pd.size());
} else {
XDeleteProperty(x11_display, x11_window, net_wm_icon);
}
XFlush(x11_display);
}
void OS_X11::force_process_input() {
process_xevents(); // get rid of pending events
#ifdef JOYDEV_ENABLED
joypad->process_joypads();
#endif
}
void OS_X11::run() {
force_quit = false;
if (!main_loop)
return;
main_loop->init();
//uint64_t last_ticks=get_ticks_usec();
//int frames=0;
//uint64_t frame=0;
while (!force_quit) {
process_xevents(); // get rid of pending events
#ifdef JOYDEV_ENABLED
joypad->process_joypads();
#endif
if (Main::iteration() == true)
break;
};
main_loop->finish();
}
bool OS_X11::is_joy_known(int p_device) {
return input->is_joy_mapped(p_device);
}
String OS_X11::get_joy_guid(int p_device) const {
return input->get_joy_guid_remapped(p_device);
}
void OS_X11::_set_use_vsync(bool p_enable) {
if (context_gl)
return context_gl->set_use_vsync(p_enable);
}
/*
bool OS_X11::is_vsync_enabled() const {
if (context_gl)
return context_gl->is_using_vsync();
return true;
}
*/
void OS_X11::set_context(int p_context) {
XClassHint *classHint = XAllocClassHint();
if (classHint) {
if (p_context == CONTEXT_EDITOR)
classHint->res_name = (char *)"Godot_Editor";
if (p_context == CONTEXT_PROJECTMAN)
classHint->res_name = (char *)"Godot_ProjectList";
classHint->res_class = (char *)"Godot";
XSetClassHint(x11_display, x11_window, classHint);
XFree(classHint);
}
}
OS::PowerState OS_X11::get_power_state() {
return power_manager->get_power_state();
}
int OS_X11::get_power_seconds_left() {
return power_manager->get_power_seconds_left();
}
int OS_X11::get_power_percent_left() {
return power_manager->get_power_percent_left();
}
void OS_X11::disable_crash_handler() {
crash_handler.disable();
}
bool OS_X11::is_disable_crash_handler() const {
return crash_handler.is_disabled();
}
static String get_mountpoint(const String &p_path) {
struct stat s;
if (stat(p_path.utf8().get_data(), &s)) {
return "";
}
#ifdef HAVE_MNTENT
dev_t dev = s.st_dev;
FILE *fd = setmntent("/proc/mounts", "r");
if (!fd) {
return "";
}
struct mntent mnt;
char buf[1024];
size_t buflen = 1024;
while (getmntent_r(fd, &mnt, buf, buflen)) {
if (!stat(mnt.mnt_dir, &s) && s.st_dev == dev) {
endmntent(fd);
return String(mnt.mnt_dir);
}
}
endmntent(fd);
#endif
return "";
}
Error OS_X11::move_to_trash(const String &p_path) {
String trash_can = "";
String mnt = get_mountpoint(p_path);
// If there is a directory "[Mountpoint]/.Trash-[UID]/files", use it as the trash can.
if (mnt != "") {
String path(mnt + "/.Trash-" + itos(getuid()) + "/files");
struct stat s;
if (!stat(path.utf8().get_data(), &s)) {
trash_can = path;
}
}
// Otherwise, if ${XDG_DATA_HOME} is defined, use "${XDG_DATA_HOME}/Trash/files" as the trash can.
if (trash_can == "") {
char *dhome = getenv("XDG_DATA_HOME");
if (dhome) {
trash_can = String(dhome) + "/Trash/files";
}
}
// Otherwise, if ${HOME} is defined, use "${HOME}/.local/share/Trash/files" as the trash can.
if (trash_can == "") {
char *home = getenv("HOME");
if (home) {
trash_can = String(home) + "/.local/share/Trash/files";
}
}
// Issue an error if none of the previous locations is appropriate for the trash can.
if (trash_can == "") {
ERR_PRINTS("move_to_trash: Could not determine the trash can location");
return FAILED;
}
// Create needed directories for decided trash can location.
DirAccess *dir_access = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
Error err = dir_access->make_dir_recursive(trash_can);
memdelete(dir_access);
// Issue an error if trash can is not created proprely.
if (err != OK) {
ERR_PRINTS("move_to_trash: Could not create the trash can \"" + trash_can + "\"");
return err;
}
// The trash can is successfully created, now move the given resource to it.
// Do not use DirAccess:rename() because it can't move files across multiple mountpoints.
List<String> mv_args;
mv_args.push_back(p_path);
mv_args.push_back(trash_can);
int retval;
err = execute("mv", mv_args, true, NULL, NULL, &retval);
// Issue an error if "mv" failed to move the given resource to the trash can.
if (err != OK || retval != 0) {
ERR_PRINTS("move_to_trash: Could not move the resource \"" + p_path + "\" to the trash can \"" + trash_can + "\"");
return FAILED;
}
return OK;
}
OS::LatinKeyboardVariant OS_X11::get_latin_keyboard_variant() const {
XkbDescRec *xkbdesc = XkbAllocKeyboard();
ERR_FAIL_COND_V(!xkbdesc, LATIN_KEYBOARD_QWERTY);
XkbGetNames(x11_display, XkbSymbolsNameMask, xkbdesc);
ERR_FAIL_COND_V(!xkbdesc->names, LATIN_KEYBOARD_QWERTY);
ERR_FAIL_COND_V(!xkbdesc->names->symbols, LATIN_KEYBOARD_QWERTY);
char *layout = XGetAtomName(x11_display, xkbdesc->names->symbols);
ERR_FAIL_COND_V(!layout, LATIN_KEYBOARD_QWERTY);
Vector<String> info = String(layout).split("+");
ERR_FAIL_INDEX_V(1, info.size(), LATIN_KEYBOARD_QWERTY);
if (info[1].find("colemak") != -1) {
return LATIN_KEYBOARD_COLEMAK;
} else if (info[1].find("qwertz") != -1) {
return LATIN_KEYBOARD_QWERTZ;
} else if (info[1].find("azerty") != -1) {
return LATIN_KEYBOARD_AZERTY;
} else if (info[1].find("qzerty") != -1) {
return LATIN_KEYBOARD_QZERTY;
} else if (info[1].find("dvorak") != -1) {
return LATIN_KEYBOARD_DVORAK;
} else if (info[1].find("neo") != -1) {
return LATIN_KEYBOARD_NEO;
}
return LATIN_KEYBOARD_QWERTY;
}
OS_X11::OS_X11() {
#ifdef PULSEAUDIO_ENABLED
AudioDriverManager::add_driver(&driver_pulseaudio);
#endif
#ifdef ALSA_ENABLED
AudioDriverManager::add_driver(&driver_alsa);
#endif
minimized = false;
xim_style = 0L;
mouse_mode = MOUSE_MODE_VISIBLE;
}
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