/*
* vim:ts=4:sw=4:expandtab
*
- * © 2010-2012 Michael Stapelberg
+ * © 2010 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_image.h>
#include <xcb/xcb_atom.h>
-#include <xcb/dpms.h>
+#include <xcb/xcb_aux.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <unistd.h>
#include <assert.h>
#include <err.h>
+#include <time.h>
#include "cursors.h"
+#include "unlock_indicator.h"
+
+extern auth_state_t auth_state;
xcb_connection_t *conn;
xcb_screen_t *screen;
#define curs_invisible_height 8
static unsigned char curs_invisible_bits[] = {
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
#define curs_windows_width 11
#define curs_windows_height 19
static unsigned char curs_windows_bits[] = {
- 0xfe, 0x07, 0xfc, 0x07, 0xfa, 0x07, 0xf6, 0x07, 0xee, 0x07, 0xde, 0x07,
- 0xbe, 0x07, 0x7e, 0x07, 0xfe, 0x06, 0xfe, 0x05, 0x3e, 0x00, 0xb6, 0x07,
- 0x6a, 0x07, 0x6c, 0x07, 0xde, 0x06, 0xdf, 0x06, 0xbf, 0x05, 0xbf, 0x05,
- 0x7f, 0x06 };
+ 0xfe, 0x07, 0xfc, 0x07, 0xfa, 0x07, 0xf6, 0x07, 0xee, 0x07, 0xde, 0x07,
+ 0xbe, 0x07, 0x7e, 0x07, 0xfe, 0x06, 0xfe, 0x05, 0x3e, 0x00, 0xb6, 0x07,
+ 0x6a, 0x07, 0x6c, 0x07, 0xde, 0x06, 0xdf, 0x06, 0xbf, 0x05, 0xbf, 0x05,
+ 0x7f, 0x06};
#define mask_windows_width 11
#define mask_windows_height 19
static unsigned char mask_windows_bits[] = {
- 0x01, 0x00, 0x03, 0x00, 0x07, 0x00, 0x0f, 0x00, 0x1f, 0x00, 0x3f, 0x00,
- 0x7f, 0x00, 0xff, 0x00, 0xff, 0x01, 0xff, 0x03, 0xff, 0x07, 0x7f, 0x00,
- 0xf7, 0x00, 0xf3, 0x00, 0xe1, 0x01, 0xe0, 0x01, 0xc0, 0x03, 0xc0, 0x03,
- 0x80, 0x01 };
+ 0x01, 0x00, 0x03, 0x00, 0x07, 0x00, 0x0f, 0x00, 0x1f, 0x00, 0x3f, 0x00,
+ 0x7f, 0x00, 0xff, 0x00, 0xff, 0x01, 0xff, 0x03, 0xff, 0x07, 0x7f, 0x00,
+ 0xf7, 0x00, 0xf3, 0x00, 0xe1, 0x01, 0xe0, 0x01, 0xc0, 0x03, 0xc0, 0x03,
+ 0x80, 0x01};
static uint32_t get_colorpixel(char *hex) {
char strgroups[3][3] = {{hex[0], hex[1], '\0'},
for (depth_iter = xcb_screen_allowed_depths_iterator(screen);
depth_iter.rem;
xcb_depth_next(&depth_iter)) {
-
for (visual_iter = xcb_depth_visuals_iterator(depth_iter.data);
visual_iter.rem;
xcb_visualtype_next(&visual_iter)) {
return NULL;
}
-xcb_pixmap_t create_bg_pixmap(xcb_connection_t *conn, xcb_screen_t *scr, u_int32_t* resolution, 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) };
+ 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_rectangle_t rect = {0, 0, resolution[0], resolution[1]};
xcb_poly_fill_rectangle(conn, bg_pixmap, gc, 1, &rect);
xcb_free_gc(conn, gc);
xcb_create_window(conn,
XCB_COPY_FROM_PARENT,
- win, /* the window id */
+ win, /* the window id */
scr->root, /* parent == root */
0, 0,
scr->width_in_pixels,
scr->height_in_pixels, /* dimensions */
- 0, /* border = 0, we draw our own */
+ 0, /* border = 0, we draw our own */
XCB_WINDOW_CLASS_INPUT_OUTPUT,
XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
mask,
values[0] = XCB_STACK_MODE_ABOVE;
xcb_configure_window(conn, win, XCB_CONFIG_WINDOW_STACK_MODE, values);
- return win;
-}
+ /* Ensure that the window is created and set up before returning */
+ xcb_aux_sync(conn);
-/*
- * Set the dpms level to 'mode'.
- *
- */
-void dpms_set_mode(xcb_connection_t *conn, xcb_dpms_dpms_mode_t mode) {
- xcb_dpms_enable(conn);
- xcb_dpms_force_level(conn, mode);
- xcb_flush(conn);
+ return win;
}
/*
- * Repeatedly tries to grab pointer and keyboard (up to 1000 times).
+ * Repeatedly tries to grab pointer and keyboard (up to 10000 times).
*
*/
void grab_pointer_and_keyboard(xcb_connection_t *conn, xcb_screen_t *screen, xcb_cursor_t cursor) {
int tries = 10000;
+ /* Using few variables to trigger a redraw_screen() if too many tries */
+ bool redrawn = false;
+ time_t start = clock();
+
while (tries-- > 0) {
pcookie = xcb_grab_pointer(
conn,
XCB_GRAB_MODE_ASYNC, /* keyboard mode */
XCB_NONE, /* confine_to = in which window should the cursor stay */
cursor, /* we change the cursor to whatever the user wanted */
- XCB_CURRENT_TIME
- );
+ XCB_CURRENT_TIME);
if ((preply = xcb_grab_pointer_reply(conn, pcookie, NULL)) &&
preply->status == XCB_GRAB_STATUS_SUCCESS) {
/* Make this quite a bit slower */
usleep(50);
+
+ /* Measure elapsed time and trigger a screen redraw if elapsed > 250000 */
+ if (!redrawn &&
+ (tries % 100) == 0 &&
+ (clock() - start) > 250000) {
+ redraw_screen();
+ redrawn = true;
+ }
}
while (tries-- > 0) {
kcookie = xcb_grab_keyboard(
conn,
- true, /* report events */
- screen->root, /* grab the root window */
+ true, /* report events */
+ screen->root, /* grab the root window */
XCB_CURRENT_TIME,
XCB_GRAB_MODE_ASYNC, /* process events as normal, do not require sync */
- XCB_GRAB_MODE_ASYNC
- );
+ XCB_GRAB_MODE_ASYNC);
if ((kreply = xcb_grab_keyboard_reply(conn, kcookie, NULL)) &&
kreply->status == XCB_GRAB_STATUS_SUCCESS) {
/* Make this quite a bit slower */
usleep(50);
+
+ /* Measure elapsed time and trigger a screen redraw if elapsed > 250000 */
+ if (!redrawn &&
+ (tries % 100) == 0 &&
+ (clock() - start) > 250000) {
+ redraw_screen();
+ redrawn = true;
+ }
}
- if (tries <= 0)
+ /* After trying for 10000 times, i3lock will display an error message
+ * for 2 sec prior to terminate. */
+ if (tries <= 0) {
+ auth_state = STATE_I3LOCK_LOCK_FAILED;
+ redraw_screen();
+ sleep(1);
errx(EXIT_FAILURE, "Cannot grab pointer/keyboard");
+ }
}
xcb_cursor_t create_cursor(xcb_connection_t *conn, xcb_screen_t *screen, xcb_window_t win, int choice) {
xcb_pixmap_t mask;
xcb_cursor_t cursor;
- unsigned char* curs_bits;
- unsigned char* mask_bits;
+ unsigned char *curs_bits;
+ unsigned char *mask_bits;
int curs_w, curs_h;
switch (choice) {
cursor,
bitmap,
mask,
- 65535,65535,65535,
- 0,0,0,
- 0,0);
+ 65535, 65535, 65535,
+ 0, 0, 0,
+ 0, 0);
xcb_free_pixmap(conn, bitmap);
xcb_free_pixmap(conn, mask);
projects / i3 / i3lock / blobdiff