/*
* vim:ts=4:sw=4:expandtab
*
- * © 2010-2011 Michael Stapelberg
+ * © 2010-2012 Michael Stapelberg
*
* xcb.c: contains all functions which use XCB to talk to X11. Mostly wrappers
* around the rather complicated/ugly parts of the XCB API.
*
*/
#include <xcb/xcb.h>
-#include <xcb/xcb_keysyms.h>
#include <xcb/xcb_image.h>
#include <xcb/dpms.h>
#include <stdio.h>
#include "cursors.h"
+xcb_connection_t *conn;
+xcb_screen_t *screen;
+
#define curs_invisible_width 8
#define curs_invisible_height 8
(strtol(strgroups[2], NULL, 16))};
return (rgb16[0] << 16) + (rgb16[1] << 8) + rgb16[2];
-}
+}
xcb_visualtype_t *get_root_visual_type(xcb_screen_t *screen) {
xcb_visualtype_t *visual_type = NULL;
return NULL;
}
-xcb_window_t open_fullscreen_window(xcb_connection_t *conn, xcb_screen_t *scr, char *color) {
+xcb_pixmap_t create_bg_pixmap(xcb_connection_t *conn, xcb_screen_t *scr, u_int32_t* resolution, char *color) {
+ xcb_pixmap_t bg_pixmap = xcb_generate_id(conn);
+ xcb_create_pixmap(conn, scr->root_depth, bg_pixmap, scr->root,
+ resolution[0], resolution[1]);
+
+ /* Generate a Graphics Context and fill the pixmap with background color
+ * (for images that are smaller than your screen) */
+ xcb_gcontext_t gc = xcb_generate_id(conn);
+ uint32_t values[] = { get_colorpixel(color) };
+ xcb_create_gc(conn, gc, bg_pixmap, XCB_GC_FOREGROUND, values);
+ xcb_rectangle_t rect = { 0, 0, resolution[0], resolution[1] };
+ xcb_poly_fill_rectangle(conn, bg_pixmap, gc, 1, &rect);
+ xcb_free_gc(conn, gc);
+
+ return bg_pixmap;
+}
+
+xcb_window_t open_fullscreen_window(xcb_connection_t *conn, xcb_screen_t *scr, char *color, xcb_pixmap_t pixmap) {
uint32_t mask = 0;
uint32_t values[3];
xcb_window_t win = xcb_generate_id(conn);
- mask |= XCB_CW_BACK_PIXEL;
- values[0] = get_colorpixel(color);
+ if (pixmap == XCB_NONE) {
+ mask |= XCB_CW_BACK_PIXEL;
+ values[0] = get_colorpixel(color);
+ } else {
+ mask |= XCB_CW_BACK_PIXMAP;
+ values[0] = pixmap;
+ }
mask |= XCB_CW_OVERRIDE_REDIRECT;
values[1] = 1;
values[2] = XCB_EVENT_MASK_EXPOSURE |
XCB_EVENT_MASK_KEY_PRESS |
XCB_EVENT_MASK_KEY_RELEASE |
- XCB_EVENT_MASK_VISIBILITY_CHANGE;
+ XCB_EVENT_MASK_VISIBILITY_CHANGE |
+ XCB_EVENT_MASK_STRUCTURE_NOTIFY;
xcb_create_window(conn,
- 24,
+ XCB_COPY_FROM_PARENT,
win, /* the window id */
scr->root, /* parent == root */
0, 0,
return win;
}
-/*
- * Returns the mask for Mode_switch (to be used for looking up keysymbols by
- * keycode).
- *
- */
-uint32_t get_mod_mask(xcb_connection_t *conn, xcb_key_symbols_t *symbols, uint32_t keycode) {
- xcb_get_modifier_mapping_reply_t *modmap_r;
- xcb_keycode_t *modmap, kc;
- xcb_keycode_t *modeswitchcodes = xcb_key_symbols_get_keycode(symbols, keycode);
- if (modeswitchcodes == NULL)
- return 0;
-
- modmap_r = xcb_get_modifier_mapping_reply(conn, xcb_get_modifier_mapping(conn), NULL);
- modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
-
- for (int i = 0; i < 8; i++)
- for (int j = 0; j < modmap_r->keycodes_per_modifier; j++) {
- kc = modmap[i * modmap_r->keycodes_per_modifier + j];
- for (xcb_keycode_t *ktest = modeswitchcodes; *ktest; ktest++) {
- if (*ktest != kc)
- continue;
-
- free(modeswitchcodes);
- free(modmap_r);
- return (1 << i);
- }
- }
-
- return 0;
-}
-
void dpms_turn_off_screen(xcb_connection_t *conn) {
xcb_dpms_enable(conn);
xcb_dpms_force_level(conn, XCB_DPMS_DPMS_MODE_OFF);