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3d807d4f6d
Add a basic navigation support: - mouse events (buttons/move) - keyboard events (keys) Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5273>
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/* GStreamer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "gst-ximage-navigation.h"
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#include <X11/extensions/XTest.h>
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// Based on xtestlib: https://www.x.org/releases/X11R7.5/doc/Xext/xtestlib.html
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void
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gst_ximage_navigation_mouse_move_pointer (Display * display, int x, int y)
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{
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// If screen_number is -1, the current screen (that the pointer is on) is used
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XTestFakeMotionEvent (display, -1, x, y, CurrentTime);
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XSync (display, FALSE);
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return;
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}
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void
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gst_ximage_navigation_mouse_push_button (Display * display,
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unsigned int button, Bool is_press)
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{
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/*
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button values:
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1 = left button
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2 = middle button (pressing the scroll wheel)
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3 = right button
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4 = turn scroll wheel up
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5 = turn scroll wheel down
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6 = push scroll wheel left
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7 = push scroll wheel right
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8 = 4th button (aka browser backward button)
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9 = 5th button (aka browser forward button)
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*/
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XTestFakeButtonEvent (display, button, is_press, CurrentTime);
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XSync (display, FALSE);
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return;
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}
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void
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gst_ximage_navigation_key (Display * display, const char *keysym_name,
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Bool is_press)
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{
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// keysym_name: one of X11 keysym names defined in https://www.cl.cam.ac.uk/~mgk25/ucs/keysyms.txt
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unsigned int keysym, keycode;
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keysym = (unsigned int) XStringToKeysym (keysym_name);
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keycode = XKeysymToKeycode (display, keysym);
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if (keycode == 0) // undefined KeySym
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return;
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XTestFakeKeyEvent (display, keycode, is_press, CurrentTime);
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XSync (display, FALSE);
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return;
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}
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