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| 1 | +/* |
| 2 | + Simple DirectMedia Layer |
| 3 | + Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> |
| 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 | + |
| 29 | +static bool xtest_initialized = false; |
| 30 | + |
| 31 | +void X11_InitXTest(SDL_VideoDevice *_this) |
| 32 | +{ |
| 33 | +#ifdef SDL_VIDEO_DRIVER_X11_XTEST |
| 34 | + Display *display = _this->internal->display; |
| 35 | + int event, error; |
| 36 | + int opcode; |
| 37 | + |
| 38 | + if (!SDL_X11_HAVE_XTEST || |
| 39 | + !X11_XQueryExtension(display, "XTEST", &opcode, &event, &error)) { |
| 40 | + return; |
| 41 | + } |
| 42 | + |
| 43 | + xtest_initialized = true; |
| 44 | +#endif |
| 45 | +} |
| 46 | + |
| 47 | +bool X11_XTestIsInitialized(void) |
| 48 | +{ |
| 49 | + return xtest_initialized; |
| 50 | +} |
| 51 | + |
| 52 | +bool X11_WarpMouseXTest(SDL_VideoDevice *_this, SDL_Window *window, float x, float y) |
| 53 | +{ |
| 54 | +#ifdef SDL_VIDEO_DRIVER_X11_XTEST |
| 55 | + if (!X11_XTestIsInitialized()) { |
| 56 | + return false; |
| 57 | + } |
| 58 | + |
| 59 | + Display *display = _this->internal->display; |
| 60 | + SDL_DisplayData *displaydata = window ? SDL_GetDisplayDriverDataForWindow(window) : SDL_GetDisplayDriverData(SDL_GetPrimaryDisplay()); |
| 61 | + if (!displaydata) { |
| 62 | + return false; |
| 63 | + } |
| 64 | + |
| 65 | + int motion_x = (int)SDL_roundf(x); |
| 66 | + int motion_y = (int)SDL_roundf(y); |
| 67 | + if (window) { |
| 68 | + motion_x += window->x; |
| 69 | + motion_y += window->y; |
| 70 | + } |
| 71 | + |
| 72 | + if (!X11_XTestFakeMotionEvent(display, displaydata->screen, motion_x, motion_y, CurrentTime)) { |
| 73 | + return false; |
| 74 | + } |
| 75 | + X11_XSync(display, False); |
| 76 | + |
| 77 | + return true; |
| 78 | +#else |
| 79 | + return false; |
| 80 | +#endif |
| 81 | +} |
| 82 | + |
| 83 | +#endif // SDL_VIDEO_DRIVER_X11 |
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