diff options
Diffstat (limited to 'gui/window_xcb.c')
| -rw-r--r-- | gui/window_xcb.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/gui/window_xcb.c b/gui/window_xcb.c deleted file mode 100644 index 61682ed..0000000 --- a/gui/window_xcb.c +++ /dev/null @@ -1,231 +0,0 @@ -#include "gui/types.h" -#include "gui/window.h" -#include "internal/utils.h" - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <xcb/xcb.h> -#include <xcb/xproto.h> - -/* TODO(roberto): put the correct error values */ -static void _xcb_handle_error(int error) { - switch (error) { - case XCB_WINDOW: - crash_error("Invalid window error\n"); - case XCB_PIXMAP: - crash_error("Invalid pixmap error\n"); - case XCB_ATOM: - crash_error("Invalid atom error\n"); - case XCB_VALUE: - crash_error("Invalid value error\n"); - case XCB_MATCH: - crash_error("Match error (incompatible parameters)\n"); - case XCB_DRAWABLE: - crash_error("Invalid drawable error\n"); - case XCB_ACCESS: - crash_error("Access denied error\n"); - case XCB_ALLOC: - crash_error("Resource allocation error\n"); - default: - crash_error("Unknown error\n"); - } -} - -static xcb_atom_t _get_atom_xcb(xcb_connection_t *conn, const char *name) { - xcb_intern_atom_cookie_t cookie; - xcb_intern_atom_reply_t *reply; - xcb_atom_t atom; - - cookie = xcb_intern_atom(conn, 0, strlen(name), name); - reply = xcb_intern_atom_reply(conn, cookie, NULL); - - if (reply) { - atom = reply->atom; - free(reply); - return atom; - } - - return XCB_ATOM_NONE; -} - -int _init_xcb_backend(RuimToplevelBackend *backend) { - struct backend_x11 *x11; - xcb_screen_iterator_t iter; - int error = 0; - - x11 = (struct backend_x11 *)malloc(sizeof(struct backend_x11)); - x11->connection = xcb_connect(NULL, &x11->screen_num); - if ((error = xcb_connection_has_error(x11->connection)) != 0) { - return error; - } - - x11->poll.fd = xcb_get_file_descriptor(x11->connection); - x11->poll.events = POLLIN; - - x11->setup = xcb_get_setup(x11->connection); - iter = xcb_setup_roots_iterator(x11->setup); - x11->screen = iter.data; - - x11->wm_protocols = _get_atom_xcb(x11->connection, "WM_PROTOCOLS"); - x11->wm_delete_window = _get_atom_xcb(x11->connection, "WM_DELETE_WINDOW"); - - backend->data = (void *)x11; - - return 0; -} - -int _deinit_xcb_backend(RuimToplevelBackend *backend) { - struct backend_x11 *x11 = (struct backend_x11 *)backend->data; - xcb_disconnect(x11->connection); - - free(backend->data); - return 0; -} - -/* TODO: support more toplevel types */ -int _create_toplevel_xcb(RuimToplevel *toplevel) { - int error; - struct backend_x11 *x11_backend; - struct toplevel_x11 *x11_toplevel; - - x11_toplevel = (struct toplevel_x11 *)malloc(sizeof(struct toplevel_x11)); - x11_toplevel->event_values = (uint32_t *)malloc(sizeof(uint32_t) * 2); - x11_backend = (struct backend_x11 *)toplevel->backend->data; - if ((error = xcb_connection_has_error(x11_backend->connection)) != 0) { - return error; - } - - x11_toplevel->window = xcb_generate_id(x11_backend->connection); - x11_toplevel->event_mask = XCB_CW_EVENT_MASK; - x11_toplevel->event_values[0] = - XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_BUTTON_PRESS | - XCB_EVENT_MASK_KEY_PRESS | XCB_EVENT_MASK_STRUCTURE_NOTIFY; - - xcb_create_window(x11_backend->connection, XCB_COPY_FROM_PARENT, - x11_toplevel->window, x11_backend->screen->root, 0, 0, 150, - 150, 10, XCB_WINDOW_CLASS_INPUT_OUTPUT, - x11_backend->screen->root_visual, x11_toplevel->event_mask, - x11_toplevel->event_values); - - xcb_change_property(x11_backend->connection, XCB_PROP_MODE_REPLACE, - x11_toplevel->window, x11_backend->wm_protocols, - XCB_ATOM_ATOM, 32, 1, &x11_backend->wm_delete_window); - - xcb_flush(x11_backend->connection); - - toplevel->data = (void *)x11_toplevel; - - return 0; -} - -int _display_toplevel_xcb(RuimToplevel *toplevel) { - struct backend_x11 *x11_backend = - (struct backend_x11 *)toplevel->backend->data; - struct toplevel_x11 *x11_toplevel = (struct toplevel_x11 *)toplevel->data; - - xcb_map_window(x11_backend->connection, x11_toplevel->window); - /* FIXME(roberto): decide where to flush the connection */ - return xcb_flush(x11_backend->connection) > 0; -} - -int _poll_event_xcb(RuimToplevel *toplevel, RuimToplevelEvent *event) { - struct backend_x11 *x11_backend = - (struct backend_x11 *)toplevel->backend->data; - xcb_generic_event_t *x11_event; - int error = 0; - /* FIXME(roberto): make it actually poll */ - /* FIXME(roberto): too laggy */ - x11_event = xcb_poll_for_event(x11_backend->connection); - - if (x11_event != NULL) { - switch (x11_event->response_type & ~0x80) { - case XCB_EXPOSE: { - RuimToplevelEventRedraw redraw; - xcb_configure_notify_event_t *cfg = - (xcb_configure_notify_event_t *)x11_event; - - event->type = RUIM_TOPLEVEL_EVENT_REDRAW; - redraw.width = cfg->width; - redraw.height = cfg->height; - redraw.x = cfg->x; - redraw.y = cfg->y; - - event->data.redraw = redraw; - } break; - case XCB_CLIENT_MESSAGE: { - xcb_client_message_event_t *cm = (xcb_client_message_event_t *)x11_event; - - if (cm->data.data32[0] == x11_backend->wm_delete_window) { - event->type = RUIM_TOPLEVEL_EVENT_QUIT; - } - } break; - case XCB_KEY_PRESS: { - xcb_key_press_event_t *key = (xcb_key_press_event_t *)x11_event; - - event->type = RUIM_TOPLEVEL_EVENT_KEYDOWN; - event->data.mouse.keycode = key->state; - event->data.mouse.x = key->event_x; - event->data.mouse.y = key->event_y; - } break; - case XCB_KEY_RELEASE: { - xcb_key_release_event_t *key = (xcb_key_press_event_t *)x11_event; - - event->type = RUIM_TOPLEVEL_EVENT_KEYUP; - event->data.mouse.keycode = key->state; - event->data.mouse.x = key->event_x; - event->data.mouse.y = key->event_y; - } break; - case XCB_BUTTON_PRESS: { - xcb_button_press_event_t *button = (xcb_button_press_event_t *)x11_event; - - event->type = RUIM_TOPLEVEL_EVENT_MOUSEDOWN; - event->data.mouse.keycode = button->state; - event->data.mouse.x = button->event_x; - event->data.mouse.y = button->event_y; - } break; - case XCB_BUTTON_RELEASE: { - xcb_button_release_event_t *button = - (xcb_button_press_event_t *)x11_event; - - event->type = RUIM_TOPLEVEL_EVENT_MOUSEUP; - event->data.mouse.keycode = button->state; - event->data.mouse.x = button->event_x; - event->data.mouse.y = button->event_y; - } break; - case XCB_CONFIGURE_NOTIFY: { - xcb_configure_notify_event_t *cfg = - (xcb_configure_notify_event_t *)x11_event; - - event->type = RUIM_TOPLEVEL_EVENT_WINDOW; - event->data.window.width = cfg->width; - event->data.window.height = cfg->height; - event->data.window.x = cfg->x; - event->data.window.y = cfg->y; - } break; - default: - break; - } - } else if ((error = xcb_connection_has_error(x11_backend->connection)) != 0) { - _xcb_handle_error(error); - return error; - } else { - event->type = RUIM_TOPLEVEL_EVENT_NOTHING; - } - - free(x11_event); - return 0; -} - -int _wait_event_xcb(RuimToplevel *toplevel) { - struct backend_x11 *backend = (struct backend_x11 *)toplevel->backend->data; - poll(&backend->poll, 1, 1); - - return 0; -} - -int _destroy_toplevel_xcb(RuimToplevel *toplevel) { - free(toplevel->data); - - return 0; -} |