Atlas - SDL_x11xtest.c
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[FILE BEGIN]
1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21
22#include "SDL_internal.h"
23
24#if defined(SDL_VIDEO_DRIVER_X11)
25
26#include "SDL_x11video.h"
27#include "SDL_x11xtest.h"
28
29static bool xtest_initialized = false;
30
31void X11_InitXTest(SDL_VideoDevice *_this)
32{
33// This is currently disabled since it doesn't appear to work on XWayland
34#if 0//def SDL_VIDEO_DRIVER_X11_XTEST
35    Display *display = _this->internal->display;
36    int event, error;
37    int opcode;
38
39    if (!SDL_X11_HAVE_XTEST ||
40        !X11_XQueryExtension(display, "XTEST", &opcode, &event, &error)) {
41        return;
42    }
43
44    xtest_initialized = true;
45#endif
46}
47
48bool X11_XTestIsInitialized(void)
49{
50    return xtest_initialized;
51}
52
53bool X11_WarpMouseXTest(SDL_VideoDevice *_this, SDL_Window *window, float x, float y)
54{
55#ifdef SDL_VIDEO_DRIVER_X11_XTEST
56    if (!X11_XTestIsInitialized()) {
57        return false;
58    }
59
60    Display *display = _this->internal->display;
61    SDL_DisplayData *displaydata = window ? SDL_GetDisplayDriverDataForWindow(window) : SDL_GetDisplayDriverData(SDL_GetPrimaryDisplay());
62    if (!displaydata) {
63        return false;
64    }
65
66    int motion_x = (int)SDL_roundf(x);
67    int motion_y = (int)SDL_roundf(y);
68    if (window) {
69        motion_x += window->x;
70        motion_y += window->y;
71    }
72
73    if (!X11_XTestFakeMotionEvent(display, displaydata->screen, motion_x, motion_y, CurrentTime)) {
74        return false;
75    }
76    X11_XSync(display, False);
77
78    return true;
79#else
80    return false;
81#endif
82}
83
84#endif // SDL_VIDEO_DRIVER_X11
85
[FILE END]
(C) 2025 0x4248
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