refactored

1 files changed, 184 insertions, 0 deletions

diff --git a/sys/cmd/dwm/dwm.c b/sys/cmd/dwm/dwm.c
new file mode 100644
index 0000000..a915cde
--- /dev/null
+++ b/sys/cmd/dwm/dwm.c
@@ -0,0 +1,184 @@
+#include "dwm.h"
+
+/* globals */
+WindowManager dwm  = {
+    0,
+    .ev = {
+        .loop   = nil,
+        .output = {.notify=ev·newmonitor},
+        .input  = {.notify=ev·newinput},
+        .client = {.notify=ev·newclient},
+        .layer  = {.notify=ev·newlayershell},
+        .deco   = {.notify=ev·newdecoration},
+    },
+};
+
+void
+setup(void)
+{
+    /* wayland boilerplate */
+    dwm.display = wl_display_create();
+    if (!dwm.display)
+        fatal("failed to initialize display");
+
+    dwm.backend = wlr_backend_autocreate(dwm.display, nil);
+    if (!dwm.backend)
+        fatal("failed to create backend");
+
+    dwm.draw = wlr_backend_get_renderer(dwm.backend);
+    if (!dwm.draw)
+        fatal("failed to initialize renderer");
+    wlr_renderer_init_wl_display(dwm.draw, dwm.display);
+
+    /* intialize the compositor and some automated handlers */
+    dwm.compositor = wlr_compositor_create(dwm.display, dwm.draw);
+
+    wlr_data_device_manager_create(dwm.display);
+	wlr_gamma_control_manager_v1_create(dwm.display);
+	wlr_gtk_primary_selection_device_manager_create(dwm.display);
+
+    /* middle management */
+	wlr_export_dmabuf_manager_v1_create(dwm.display);
+	wlr_screencopy_manager_v1_create(dwm.display);
+	wlr_data_control_manager_v1_create(dwm.display);
+	wlr_primary_selection_v1_device_manager_create(dwm.display);
+
+    dwm.ev.loop = wl_display_get_event_loop(dwm.display);
+    if (!dwm.ev.loop)
+        fatal("failed to initialize event loop");
+
+    dwm.layout = wlr_output_layout_create();
+	wlr_xdg_output_manager_v1_create(dwm.display, dwm.layout);
+
+    /* grab output devices */
+    wl_list_init(&dwm.odevs);
+    wl_signal_add(&dwm.backend->events.new_output, &dwm.ev.output);
+
+    /* initialize window structures */
+    wl_list_init(&dwm.tiles);
+    wl_list_init(&dwm.stack);
+    wl_list_init(&dwm.focus);
+    wl_list_init(&dwm.decos);
+
+    /* layer shell */
+	dwm.laysh = wlr_layer_shell_v1_create(dwm.display);
+	wl_signal_add(&dwm.laysh->events.new_surface, &dwm.ev.layer);
+
+    /* xdg shell */
+    dwm.xdgsh = wlr_xdg_shell_create(dwm.display);
+    wl_signal_add(&dwm.xdgsh->events.new_surface, &dwm.ev.client);
+
+    /* decorations */
+    dwm.mngr.deco = wlr_server_decoration_manager_create(dwm.display);
+    wlr_server_decoration_manager_set_default_mode(dwm.mngr.deco, WLR_SERVER_DECORATION_MANAGER_MODE_SERVER);
+	wl_signal_add(&dwm.mngr.deco->events.new_decoration, &dwm.ev.deco);
+    wl_list_init(&dwm.decos);
+
+    dwm.mngr.deco = wlr_server_decoration_manager_create(dwm.display);
+
+    /* grab input devices and install callbacks */
+    mouse.cursor = wlr_cursor_create();
+    if (!mouse.cursor)
+        fatal("no mouse found");
+    wlr_cursor_attach_output_layout(mouse.cursor, dwm.layout);
+    mouse.manager = wlr_xcursor_manager_create(nil, 24);
+
+    /* attach the static cursor object to event handlers */
+    wl_signal_add(&mouse.cursor->events.axis,   &mouse.ev.axis);
+    wl_signal_add(&mouse.cursor->events.frame,  &mouse.ev.frame);
+    wl_signal_add(&mouse.cursor->events.button, &mouse.ev.button);
+    wl_signal_add(&mouse.cursor->events.motion, &mouse.ev.motion);
+    wl_signal_add(&mouse.cursor->events.motion_absolute, &mouse.ev.absmotion);
+
+    wl_list_init(&dwm.idevs);
+    wl_list_init(&dwm.keyboards);
+
+    wl_signal_add(&dwm.backend->events.new_input, &dwm.ev.input);
+
+    dwm.seat = wlr_seat_create(dwm.display, "seat0");
+
+    wl_signal_add(&dwm.seat->events.request_set_cursor,    &mouse.ev.cursor);
+    wl_signal_add(&dwm.seat->events.request_set_selection, &mouse.ev.sel);
+    wl_signal_add(&dwm.seat->events.request_set_primary_selection, &mouse.ev.psel);
+}
+
+void
+run(void)
+{
+    byte *socket;
+    pid_t start = -1;
+
+    socket = (byte*)wl_display_add_socket_auto(dwm.display);
+    if (!socket) {
+        wlr_backend_destroy(dwm.backend);
+        fatal("could not open socket");
+    }
+
+    if (!wlr_backend_start(dwm.backend)) {
+        wlr_backend_destroy(dwm.backend);
+        wl_display_destroy(dwm.display);
+        fatal("failed to start backend");
+    }
+
+    monitor = monitorat(mouse.cursor->x, mouse.cursor->y);
+    if (!monitor)
+        fatal("no monitor found");
+
+	wlr_cursor_warp_closest(mouse.cursor, nil, mouse.cursor->x, mouse.cursor->y);
+	wlr_xcursor_manager_set_cursor_image(mouse.manager, "left_ptr", mouse.cursor);
+
+    setenv("WAYLAND_DISPLAY", socket, 1);
+
+    wlr_log(WLR_INFO, "running dwm on WAYLAND_DISPLAY\n");
+    wl_display_run(dwm.display);
+}
+
+void
+cleanup(void)
+{
+    wl_display_destroy_clients(dwm.display);
+    wl_display_destroy(dwm.display);
+    wlr_backend_destroy(dwm.backend);
+}
+
+void
+usage(void)
+{
+	printf("usage: %s [-qvd] [-s startup_cmd]\n", argv0);
+    exit(1);
+}
+
+int
+main(int argc, byte *argv[])
+{
+    byte *cmd;
+    enum wlr_log_importance lvl;
+
+    cmd = nil;
+    lvl = WLR_ERROR;
+
+    ARGBEGIN {
+    case 'q':
+        lvl = WLR_SILENT;
+        break;
+    case 'v':
+        lvl = WLR_INFO;
+        break;
+    case 'd':
+        lvl = WLR_DEBUG;
+        break;
+    case 's':
+        cmd = EARGF(usage());
+        break;
+    default:
+        usage();
+    } ARGEND;
+
+    wlr_log_init(lvl, nil);
+
+    setup();
+    run();
+    cleanup();
+
+    return 0;
+}