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/* Copyright (c) 2012 Jess VanDerwalker
*
* util.c
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "xcwm_internal.h"
#include <xcb/xcb.h>
xcb_get_window_attributes_reply_t *
_xcwm_get_window_attributes (xcb_connection_t *conn, xcb_window_t window)
{
xcb_get_window_attributes_reply_t *reply;
xcb_generic_error_t *error;
xcb_get_window_attributes_cookie_t cookie;
cookie = xcb_get_window_attributes(conn, window);
reply = xcb_get_window_attributes_reply(conn, cookie, &error);
if (error) {
fprintf(stderr, "ERROR: Failed to get window attributes: %d\n",
error->error_code);
return NULL;
}
return reply;
}
xcb_get_geometry_reply_t *
_xcwm_get_window_geometry (xcb_connection_t *conn, xcb_window_t window)
{
xcb_get_geometry_cookie_t cookie;
cookie = xcb_get_geometry(conn, window);
return xcb_get_geometry_reply(conn, cookie, NULL);
}
void
_xcwm_write_all_children_window_info (xcb_connection_t *conn,
xcb_window_t root)
{
xcb_query_tree_reply_t *reply;
xcb_query_tree_cookie_t tree_cookie;
xcb_window_t *children; /* The children of the given root */
image_data_t img_data;
xcb_generic_error_t *error;
int len;
int i;
tree_cookie = xcb_query_tree(conn, root);
reply = xcb_query_tree_reply(conn, tree_cookie, &error);
if (error) {
fprintf(stderr, "ERROR: Failed to get query tree: %d\n",
error->error_code);
return;
}
/* Get the number of children */
len = xcb_query_tree_children_length(reply);
children = xcb_query_tree_children(reply);
/* Iterate thorough all the children and get their pixmap (hopefully) */
printf("--- Iterating through children of window %u ---\n",
root);
for (i = 0; i < len; i++) {
_xcwm_write_window_info(conn, children[i]);
img_data = _xcwm_get_window_image_data(conn, children[i]);
if (!img_data.data) {
printf("Image data is empty\n");
}
}
printf("--- End window iteration ---\n");
/* Free the stuff allocated by XCB */
free(reply);
}
image_data_t
_xcwm_get_window_image_data (xcb_connection_t *conn, xcb_drawable_t window)
{
image_data_t image_data;
xcb_get_image_cookie_t img_cookie;
xcb_get_image_reply_t *reply;
xcb_generic_error_t *error;
xcb_get_geometry_reply_t *geom_reply;
image_data.data = NULL;
image_data.length = 0;
geom_reply = _xcwm_get_window_geometry(conn, window);
if (!geom_reply) {
fprintf(stderr, "ERROR: Failed to get window image data.\n");
return image_data;
}
img_cookie = xcb_get_image(conn,
XCB_IMAGE_FORMAT_Z_PIXMAP,
window,
0,
0,
geom_reply->width,
geom_reply->height,
(unsigned int) ~0L);
reply = xcb_get_image_reply(conn, img_cookie, &error);
if (error) {
fprintf(stderr, "ERROR: Failed to get window image data reply: %d\n",
error->error_code);
return image_data;
}
image_data.data = xcb_get_image_data(reply);
image_data.length = xcb_get_image_data_length(reply);
free(geom_reply);
/* free(reply); */
return image_data;
}
void
_xcwm_write_window_info (xcb_connection_t *conn, xcb_window_t window)
{
xcb_get_geometry_reply_t *geom_reply;
xcb_get_window_attributes_reply_t *attr_reply;
geom_reply = _xcwm_get_window_geometry(conn, window);
if (!geom_reply) {
printf("Failed to get geometry for window %u\n", window);
return;
}
attr_reply = _xcwm_get_window_attributes(conn, window);
if (!attr_reply) {
printf("Failed to get attributes for window %u\n", window);
return;
}
/* Print out the geometry and attributes we're interested in */
printf("Window Id: %u\n", window);
printf("x: %d\ty: %d\n", geom_reply->x, geom_reply->y);
printf("width: %d\theight: %d\n", geom_reply->width, geom_reply->height);
printf("Map state: ");
if (attr_reply->map_state == XCB_MAP_STATE_UNMAPPED) {
printf("Unmapped\n");
} else if (attr_reply->map_state == XCB_MAP_STATE_UNVIEWABLE) {
printf("Unviewable\n");
} else {
printf("Viewable\n");
}
free(geom_reply);
free(attr_reply);
}
int
_xcwm_request_check (xcb_connection_t *conn, xcb_void_cookie_t cookie,
char *msg)
{
xcb_generic_error_t *error;
error = xcb_request_check(conn, cookie);
if (error) {
if (msg) {
fprintf(stderr, "ERROR: ");
fprintf(stderr,"%s", msg);
fprintf(stderr, "\nError code: %d\n", error->error_code);
}
return error->error_code;
}
return 0;
}
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