gri3-wm/i3-nagbar/xcb.c

105 lines
3.2 KiB
C

/*
* vim:ts=8:expandtab
*
* i3 - an improved dynamic tiling window manager
*
* © 2009 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
*/
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <xcb/xcb.h>
#include <xcb/xcb_keysyms.h>
#include <X11/keysym.h>
#include "i3-nagbar.h"
/*
* Opens the window we use for input/output and maps it
*
*/
xcb_window_t open_input_window(xcb_connection_t *conn, uint32_t width, uint32_t height) {
xcb_window_t win = xcb_generate_id(conn);
//xcb_cursor_t cursor_id = xcb_generate_id(conn);
#if 0
/* Use the default cursor (left pointer) */
if (cursor > -1) {
i3Font *cursor_font = load_font(conn, "cursor");
xcb_create_glyph_cursor(conn, cursor_id, cursor_font->id, cursor_font->id,
XCB_CURSOR_LEFT_PTR, XCB_CURSOR_LEFT_PTR + 1,
0, 0, 0, 65535, 65535, 65535);
}
#endif
uint32_t mask = 0;
uint32_t values[3];
mask |= XCB_CW_BACK_PIXEL;
values[0] = 0;
mask |= XCB_CW_EVENT_MASK;
values[1] = XCB_EVENT_MASK_EXPOSURE |
XCB_EVENT_MASK_STRUCTURE_NOTIFY |
XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_BUTTON_RELEASE;
xcb_create_window(conn,
XCB_COPY_FROM_PARENT,
win, /* the window id */
root, /* parent == root */
50, 50, width, height, /* dimensions */
0, /* border = 0, we draw our own */
XCB_WINDOW_CLASS_INPUT_OUTPUT,
XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
mask,
values);
#if 0
if (cursor > -1)
xcb_change_window_attributes(conn, result, XCB_CW_CURSOR, &cursor_id);
#endif
/* Map the window (= make it visible) */
xcb_map_window(conn, win);
return win;
}
/*
* Returns the ID of the font matching the given pattern and stores the height
* of the font (in pixels) in *font_height. die()s if no font matches.
*
*/
int get_font_id(xcb_connection_t *conn, char *pattern, int *font_height) {
xcb_void_cookie_t font_cookie;
xcb_list_fonts_with_info_cookie_t info_cookie;
/* Send all our requests first */
int result;
result = xcb_generate_id(conn);
font_cookie = xcb_open_font_checked(conn, result, strlen(pattern), pattern);
info_cookie = xcb_list_fonts_with_info(conn, 1, strlen(pattern), pattern);
xcb_generic_error_t *error = xcb_request_check(conn, font_cookie);
if (error != NULL) {
fprintf(stderr, "ERROR: Could not open font: %d\n", error->error_code);
exit(1);
}
/* Get information (height/name) for this font */
xcb_list_fonts_with_info_reply_t *reply = xcb_list_fonts_with_info_reply(conn, info_cookie, NULL);
if (reply == NULL)
die("Could not load font \"%s\"\n", pattern);
*font_height = reply->font_ascent + reply->font_descent;
return result;
}