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Refactor main.c and server.c

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Create server_{init,start,finish} functions.
This commit is contained in:
Johan Malm 2020-06-03 18:39:46 +01:00
parent 6e0d11bff5
commit af11ef771a
3 changed files with 269 additions and 262 deletions
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256
src/main.c
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@ -1,16 +1,10 @@
#include "labwc.h"
#include <wlr/types/wlr_export_dmabuf_v1.h>
#include <wlr/types/wlr_screencopy_v1.h>
#include <wlr/types/wlr_data_control_v1.h>
#include <wlr/types/wlr_gamma_control_v1.h>
#include <wlr/types/wlr_primary_selection_v1.h>
struct server server = { 0 };
int main(int argc, char *argv[])
{
struct server server = { 0 };
char *startup_cmd = NULL;
wlr_log_init(WLR_ERROR, NULL);
int c;
@ -35,235 +29,10 @@ int main(int argc, char *argv[])
return 1;
}
/*
* The Wayland display is managed by libwayland. It handles accepting
* clients from the Unix socket, manging Wayland globals, and so on.
*/
server.wl_display = wl_display_create();
if (!server.wl_display) {
wlr_log(WLR_ERROR, "cannot allocate a wayland display");
return 1;
}
/* TODO: Catch signals. Maybe SIGHUP for reconfigure */
/*
* The backend is a wlroots feature which abstracts the underlying
* input and output hardware. the autocreate option will choose the
* most suitable backend based on the current environment, such as
* opening an x11 window if an x11 server is running. the null
* argument here optionally allows you to pass in a custom renderer if
* wlr_renderer doesn't meet your needs. the backend uses the
* renderer, for example, to fall back to software cursors if the
* backend does not support hardware cursors (some older gpus don't).
*/
server.backend = wlr_backend_autocreate(server.wl_display, NULL);
if (!server.backend) {
wlr_log(WLR_ERROR, "unable to create the wlroots backend");
return 1;
}
/*
* If we don't provide a renderer, autocreate makes a GLES2 renderer
* for us. The renderer is responsible for defining the various pixel
* formats it supports for shared memory, this configures that for
* clients.
*/
server.renderer = wlr_backend_get_renderer(server.backend);
wlr_renderer_init_wl_display(server.renderer, server.wl_display);
wl_list_init(&server.views);
wl_list_init(&server.outputs);
/*
* Create an output layout, which a wlroots utility for working with
* an arrangement of screens in a physical layout.
*/
server.output_layout = wlr_output_layout_create();
if (!server.output_layout) {
wlr_log(WLR_ERROR, "unable to create output layout");
return 1;
}
/*
* Create some hands-off wlroots interfaces. The compositor is
* necessary for clients to allocate surfaces and the data device
* manager handles the clipboard. Each of these wlroots interfaces has
* room for you to dig your fingers in and play with their behavior if
* you want.
*/
server.compositor =
wlr_compositor_create(server.wl_display, server.renderer);
if (!server.compositor) {
wlr_log(WLR_ERROR, "unable to create the wlroots compositor");
return 1;
}
struct wlr_data_device_manager *device_manager = NULL;
device_manager = wlr_data_device_manager_create(server.wl_display);
if (!device_manager) {
wlr_log(WLR_ERROR, "unable to create data device manager");
return 1;
}
/*
* Configure a listener to be notified when new outputs are available
* on the backend.
*/
server.new_output.notify = output_new;
wl_signal_add(&server.backend->events.new_output, &server.new_output);
/*
* Configures a seat, which is a single "seat" at which a user sits
* and operates the computer. This conceptually includes up to one
* keyboard, pointer, touch, and drawing tablet device. We also rig up
* a listener to let us know when new input devices are available on
* the backend.
*/
server.seat = wlr_seat_create(server.wl_display, "seat0");
if (!server.seat) {
wlr_log(WLR_ERROR, "cannot allocate seat0");
return 1;
}
server.cursor = wlr_cursor_create();
if (!server.cursor) {
wlr_log(WLR_ERROR, "unable to create cursor");
return 1;
}
wlr_cursor_attach_output_layout(server.cursor, server.output_layout);
// This is done below
// server.cursor_mgr = wlr_xcursor_manager_create(NULL, XCURSOR_SIZE);
// if (!server.cursor_mgr) {
// wlr_log(WLR_ERROR, "cannot create xcursor manager");
// return 1;
//}
server.cursor_motion.notify = cursor_motion;
wl_signal_add(&server.cursor->events.motion, &server.cursor_motion);
server.cursor_motion_absolute.notify = cursor_motion_absolute;
wl_signal_add(&server.cursor->events.motion_absolute,
&server.cursor_motion_absolute);
server.cursor_button.notify = cursor_button;
wl_signal_add(&server.cursor->events.button, &server.cursor_button);
server.cursor_axis.notify = cursor_axis;
wl_signal_add(&server.cursor->events.axis, &server.cursor_axis);
server.cursor_frame.notify = cursor_frame;
wl_signal_add(&server.cursor->events.frame, &server.cursor_frame);
wl_list_init(&server.keyboards);
server.new_input.notify = server_new_input;
wl_signal_add(&server.backend->events.new_input, &server.new_input);
server.request_cursor.notify = seat_request_cursor;
wl_signal_add(&server.seat->events.request_set_cursor,
&server.request_cursor);
server.request_set_selection.notify = seat_request_set_selection;
wl_signal_add(&server.seat->events.request_set_selection,
&server.request_set_selection);
/* Init xdg-shell */
server.xdg_shell = wlr_xdg_shell_create(server.wl_display);
if (!server.xdg_shell) {
wlr_log(WLR_ERROR, "unable to create the XDG shell interface");
return 1;
}
server.new_xdg_surface.notify = xdg_surface_new;
wl_signal_add(&server.xdg_shell->events.new_surface,
&server.new_xdg_surface);
/* Disable CSD */
struct wlr_xdg_decoration_manager_v1 *xdg_deco_mgr = NULL;
xdg_deco_mgr = wlr_xdg_decoration_manager_v1_create(server.wl_display);
if (!xdg_deco_mgr) {
wlr_log(WLR_ERROR, "unable to create the XDG deco manager");
return 1;
}
wl_signal_add(&xdg_deco_mgr->events.new_toplevel_decoration,
&server.xdg_toplevel_decoration);
server.xdg_toplevel_decoration.notify = xdg_toplevel_decoration;
struct wlr_server_decoration_manager *deco_mgr = NULL;
deco_mgr = wlr_server_decoration_manager_create(server.wl_display);
if (!deco_mgr) {
wlr_log(WLR_ERROR, "unable to create the server deco manager");
return 1;
}
wlr_server_decoration_manager_set_default_mode(
deco_mgr, LAB_DISABLE_CSD ?
WLR_SERVER_DECORATION_MANAGER_MODE_SERVER :
WLR_SERVER_DECORATION_MANAGER_MODE_CLIENT);
/* FIXME: Check return values */
wlr_export_dmabuf_manager_v1_create(server.wl_display);
wlr_screencopy_manager_v1_create(server.wl_display);
wlr_data_control_manager_v1_create(server.wl_display);
wlr_gamma_control_manager_v1_create(server.wl_display);
wlr_primary_selection_v1_device_manager_create(server.wl_display);
/* Init xwayland */
server.xwayland = wlr_xwayland_create(server.wl_display,
server.compositor, false);
if (!server.xwayland) {
wlr_log(WLR_ERROR, "cannot create xwayland server");
return 1;
}
server.new_xwayland_surface.notify = xwl_surface_new;
wl_signal_add(&server.xwayland->events.new_surface,
&server.new_xwayland_surface);
server.cursor_mgr =
wlr_xcursor_manager_create(XCURSOR_DEFAULT, XCURSOR_SIZE);
if (!server.cursor_mgr) {
wlr_log(WLR_ERROR, "cannot create xwayland xcursor manager");
return 1;
}
if (setenv("DISPLAY", server.xwayland->display_name, true) < 0)
wlr_log_errno(WLR_ERROR, "unable to set DISPLAY for xwayland");
else
wlr_log(WLR_DEBUG, "xwayland is running on display %s",
server.xwayland->display_name);
if (wlr_xcursor_manager_load(server.cursor_mgr, 1))
wlr_log(WLR_ERROR, "cannot load xwayland xcursor theme");
struct wlr_xcursor *xcursor;
xcursor = wlr_xcursor_manager_get_xcursor(server.cursor_mgr,
XCURSOR_DEFAULT, 1);
if (xcursor) {
struct wlr_xcursor_image *image = xcursor->images[0];
wlr_xwayland_set_cursor(server.xwayland, image->buffer,
image->width * 4, image->width,
image->height, image->hotspot_x,
image->hotspot_y);
}
/* Add a Unix socket to the Wayland display. */
const char *socket = wl_display_add_socket_auto(server.wl_display);
if (!socket) {
wlr_log_errno(WLR_ERROR, "unable to open wayland socket");
return 1;
}
/*
* Start the backend. This will enumerate outputs and inputs, become
* the DRM master, etc
*/
if (!wlr_backend_start(server.backend)) {
wlr_log(WLR_ERROR, "unable to start the wlroots backend");
return 1;
}
setenv("WAYLAND_DISPLAY", socket, true);
if (setenv("WAYLAND_DISPLAY", socket, true) < 0)
wlr_log_errno(WLR_ERROR, "unable to set WAYLAND_DISPLAY");
else
wlr_log(WLR_DEBUG, "WAYLAND_DISPLAY=%s", socket);
wl_display_init_shm(server.wl_display);
wlr_xwayland_set_seat(server.xwayland, server.seat);
server_init(&server);
server_start(&server);
if (startup_cmd) {
if (fork() == 0) {
@ -271,24 +40,7 @@ int main(int argc, char *argv[])
(void *)NULL);
}
}
wl_display_run(server.wl_display);
struct output *_output, *_output_tmp;
wl_list_for_each_safe (_output, _output_tmp, &server.outputs, link) {
wl_list_remove(&_output->link);
free(_output);
}
struct output *k, *k_tmp;
wl_list_for_each_safe (k, k_tmp, &server.keyboards, link) {
wl_list_remove(&k->link);
free(k);
}
wlr_cursor_destroy(server.cursor);
wlr_output_layout_destroy(server.output_layout);
wlr_xwayland_destroy(server.xwayland);
wlr_xcursor_manager_destroy(server.cursor_mgr);
wl_display_destroy_clients(server.wl_display);
wl_display_destroy(server.wl_display);
server_finish(&server);
return 0;
}