mirror of
https://github.com/gnif/LookingGlass.git
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151 lines
4 KiB
C
151 lines
4 KiB
C
/**
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* Looking Glass
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* Copyright (C) 2017-2021 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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#include "wayland.h"
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#include <errno.h>
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#include <stdbool.h>
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#include <string.h>
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#include <sys/epoll.h>
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#include <libdecor.h>
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#include <wayland-client.h>
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#include "app.h"
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#include "common/debug.h"
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struct libdecor_configuration {
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uint32_t serial;
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bool has_window_state;
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enum libdecor_window_state window_state;
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bool has_size;
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int window_width;
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int window_height;
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};
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static void libdecorHandleError(struct libdecor * context, enum libdecor_error error,
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const char *message)
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{
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DEBUG_ERROR("Got libdecor error (%d): %s", error, message);
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}
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static void libdecorFrameConfigure(struct libdecor_frame * frame,
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struct libdecor_configuration * configuration, void * opaque)
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{
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int width, height;
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if (libdecor_configuration_get_content_size(configuration, frame, &width, &height)) {
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wlWm.width = width;
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wlWm.height = height;
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}
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enum libdecor_window_state windowState;
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if (libdecor_configuration_get_window_state(configuration, &windowState))
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wlWm.fullscreen = windowState & LIBDECOR_WINDOW_STATE_FULLSCREEN;
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struct libdecor_state * state = libdecor_state_new(wlWm.width, wlWm.height);
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libdecor_frame_commit(frame, state, wlWm.configured ? NULL : configuration);
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libdecor_state_free(state);
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if (wlWm.configured)
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{
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wlWm.needsResize = true;
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wlWm.resizeSerial = configuration->serial;
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app_invalidateWindow();
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waylandForceRender();
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}
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else
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wlWm.configured = true;
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}
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static void libdecorFrameClose(struct libdecor_frame * frame, void * opaque)
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{
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app_handleCloseEvent();
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}
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static void libdecorFrameCommit(struct libdecor_frame * frame, void * opaque)
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{
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}
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
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static struct libdecor_interface libdecorListener = {
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libdecorHandleError,
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};
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static struct libdecor_frame_interface libdecorFrameListener = {
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libdecorFrameConfigure,
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libdecorFrameClose,
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libdecorFrameCommit,
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};
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#pragma GCC diagnostic pop
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static void libdecorCallback(uint32_t events, void * opaque)
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{
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libdecor_dispatch(wlWm.libdecor, 0);
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}
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bool waylandShellInit(const char * title, bool fullscreen, bool maximize, bool borderless)
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{
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wlWm.libdecor = libdecor_new(wlWm.display, &libdecorListener);
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wlWm.libdecorFrame = libdecor_decorate(wlWm.libdecor, wlWm.surface, &libdecorFrameListener, NULL);
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libdecor_frame_set_app_id(wlWm.libdecorFrame, "looking-glass-client");
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libdecor_frame_set_title(wlWm.libdecorFrame, title);
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libdecor_frame_map(wlWm.libdecorFrame);
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while (!wlWm.configured)
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libdecor_dispatch(wlWm.libdecor, 0);
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if (!waylandPollRegister(libdecor_get_fd(wlWm.libdecor), libdecorCallback, NULL, EPOLLIN))
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{
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DEBUG_ERROR("Failed register display to epoll: %s", strerror(errno));
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return false;
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}
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return true;
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}
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void waylandShellAckConfigureIfNeeded(void)
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{
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if (wlWm.resizeSerial)
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{
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xdg_surface_ack_configure(libdecor_frame_get_xdg_surface(wlWm.libdecorFrame), wlWm.resizeSerial);
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wlWm.resizeSerial = 0;
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}
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}
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void waylandSetFullscreen(bool fs)
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{
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if (fs)
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libdecor_frame_set_fullscreen(wlWm.libdecorFrame, NULL);
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else
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libdecor_frame_unset_fullscreen(wlWm.libdecorFrame);
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}
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bool waylandGetFullscreen(void)
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{
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return wlWm.fullscreen;
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}
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void waylandMinimize(void)
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{
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libdecor_frame_set_minimized(wlWm.libdecorFrame);
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}
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