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6b26089353
This will later be used to control the size of the underlying EGL buffers in order to handle high DPI.
127 lines
3.1 KiB
C
127 lines
3.1 KiB
C
/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2021 Guanzhong Chen (quantum2048@gmail.com)
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Copyright (C) 2021 Tudor Brindus (contact@tbrindus.ca)
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https://looking-glass.io
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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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 <wayland-client.h>
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#include "common/debug.h"
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static void outputGeometryHandler(void * data, struct wl_output * output, int32_t x, int32_t y,
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int32_t physical_width, int32_t physical_height, int32_t subpixel, const char * make,
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const char * model, int32_t output_transform)
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{
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// Do nothing.
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}
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static void outputModeHandler(void * data, struct wl_output * wl_output, uint32_t flags,
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int32_t width, int32_t height, int32_t refresh)
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{
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// Do nothing.
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}
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static void outputDoneHandler(void * data, struct wl_output * output)
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{
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// Do nothing.
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}
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static void outputScaleHandler(void * opaque, struct wl_output * output, int32_t scale)
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{
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struct WaylandOutput * node = opaque;
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node->scale = scale;
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}
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static const struct wl_output_listener outputListener = {
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.geometry = outputGeometryHandler,
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.mode = outputModeHandler,
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.done = outputDoneHandler,
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.scale = outputScaleHandler,
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};
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bool waylandOutputInit(void)
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{
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wl_list_init(&wlWm.outputs);
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return true;
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}
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void waylandOutputFree(void)
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{
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struct WaylandOutput * node;
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struct WaylandOutput * temp;
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wl_list_for_each_safe(node, temp, &wlWm.outputs, link)
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{
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wl_output_release(node->output);
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wl_list_remove(&node->link);
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free(node);
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}
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}
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void waylandOutputBind(uint32_t name)
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{
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struct WaylandOutput * node = malloc(sizeof(struct WaylandOutput));
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if (!node)
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return;
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node->name = name;
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node->scale = 0;
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node->output = wl_registry_bind(wlWm.registry, name,
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&wl_output_interface, 3);
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if (!node->output)
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{
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DEBUG_ERROR("Failed to bind to wl_output %u\n", name);
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free(node);
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return;
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}
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wl_output_add_listener(node->output, &outputListener, node);
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wl_list_insert(&wlWm.outputs, &node->link);
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}
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void waylandOutputTryUnbind(uint32_t name)
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{
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struct WaylandOutput * node;
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wl_list_for_each(node, &wlWm.outputs, link)
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{
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if (node->name == name)
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{
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wl_output_release(node->output);
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wl_list_remove(&node->link);
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free(node);
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break;
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}
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}
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}
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int32_t waylandOutputGetScale(struct wl_output * output)
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{
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struct WaylandOutput * node;
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wl_list_for_each(node, &wlWm.outputs, link)
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if (node->output == output)
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return node->scale;
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return 0;
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}
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