mirror of
https://github.com/gnif/LookingGlass.git
synced 2026-07-21 14:52:04 +00:00
47aebcda0c
This commit turns the icon handling into using a macro so we don't need to do weird conversions from unsigned long (needed by X11) to uint32_t (needed by Wayland). Also simplified the error handling path on Wayland.
104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2026 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define _GNU_SOURCE
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#include "wayland.h"
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#include <stdbool.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include <wayland-client.h>
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#include "common/debug.h"
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#include "resources/icondata.h"
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static const uint32_t iconPixels[] = { LG_ICON_PIXELS };
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bool waylandIconInit(void)
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{
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if (!wlWm.iconManager || !wlWm.xdgToplevel || !wlWm.shm)
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return true; // not an error, just no support
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// Create shared memory buffer for the icon
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size_t dataSize = sizeof(iconPixels);
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int fd = memfd_create("lg-icon", 0);
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if (fd < 0)
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{
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DEBUG_ERROR("Failed to create icon shared memory: %d", errno);
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return true; // not fatal
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}
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struct wl_buffer * buffer = NULL;
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struct xdg_toplevel_icon_v1 * icon = NULL;
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if (ftruncate(fd, (off_t)dataSize) < 0)
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{
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DEBUG_ERROR("Failed to ftruncate icon shared memory: %d", errno);
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goto fail;
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}
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void * shm_data = mmap(NULL, dataSize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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if (shm_data == MAP_FAILED)
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{
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DEBUG_ERROR("Failed to mmap icon shared memory: %d", errno);
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goto fail;
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}
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memcpy(shm_data, iconPixels, dataSize);
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munmap(shm_data, dataSize);
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struct wl_shm_pool * pool = wl_shm_create_pool(wlWm.shm, fd, (int32_t)dataSize);
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buffer = wl_shm_pool_create_buffer(pool, 0, LG_ICON_WIDTH, LG_ICON_HEIGHT,
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LG_ICON_WIDTH * 4, WL_SHM_FORMAT_ARGB8888);
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wl_shm_pool_destroy(pool);
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if (!buffer)
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{
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DEBUG_ERROR("Failed to create wl_buffer for icon");
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goto fail;
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}
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icon = xdg_toplevel_icon_manager_v1_create_icon(wlWm.iconManager);
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if (!icon)
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{
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DEBUG_ERROR("Failed to create icon object");
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goto fail;
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}
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xdg_toplevel_icon_v1_add_buffer(icon, buffer, 1);
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xdg_toplevel_icon_manager_v1_set_icon(wlWm.iconManager,
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(struct xdg_toplevel *)wlWm.xdgToplevel, icon);
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// After set_icon, the icon object is immutable. We can destroy it;
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// the compositor retains its data.
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fail:
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if (icon)
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xdg_toplevel_icon_v1_destroy(icon);
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if (buffer)
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wl_buffer_destroy(buffer);
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close(fd);
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return true; // not fatal even if failed
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}
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