diff options
Diffstat (limited to 'aux/xcb_aux.c')
| -rw-r--r-- | aux/xcb_aux.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/aux/xcb_aux.c b/aux/xcb_aux.c new file mode 100644 index 0000000..276c4de --- /dev/null +++ b/aux/xcb_aux.c @@ -0,0 +1,178 @@ +#include <stdio.h> +#include <stdlib.h> + +#include <xcb/xcb.h> +#include "xcb_aux.h" + +/* Connection related functions */ + +uint8_t +xcb_aux_get_depth (xcb_connection_t *c, + xcb_screen_t *screen) +{ + xcb_drawable_t drawable; + xcb_get_geometry_reply_t *geom; + int depth; + + drawable = screen->root; + geom = xcb_get_geometry_reply (c, xcb_get_geometry(c, drawable), 0); + + if (!geom) { + perror ("GetGeometry(root) failed"); + exit (0); + } + + depth = geom->depth; + free (geom); + + return depth; +} + +uint8_t +xcb_aux_get_depth_of_visual (xcb_screen_t *screen, + xcb_visualid_t id) +{ + xcb_depth_iterator_t i; + xcb_visualtype_iterator_t j; + for (i = xcb_screen_allowed_depths_iterator(screen); + i.rem; xcb_depth_next(&i)) + for (j = xcb_depth_visuals_iterator(i.data); + j.rem; xcb_visualtype_next(&j)) + if (j.data->visual_id == id) + return i.data->depth; + return 0; +} + +xcb_screen_t * +xcb_aux_get_screen (xcb_connection_t *c, + int screen) +{ + xcb_screen_iterator_t i = xcb_setup_roots_iterator(xcb_get_setup(c)); + for (; i.rem; --screen, xcb_screen_next(&i)) + if (screen == 0) + return i.data; + return 0; +} + +xcb_visualtype_t * +xcb_aux_get_visualtype (xcb_connection_t *c, + int scr, + xcb_visualid_t vid) +{ + xcb_screen_t *screen; + xcb_depth_t *depth; + xcb_visualtype_iterator_t iter; + int cur; + + screen = xcb_aux_get_screen (c, scr); + if (!screen) return NULL; + + depth = xcb_screen_allowed_depths_iterator(screen).data; + if (!depth) return NULL; + + iter = xcb_depth_visuals_iterator(depth); + for (cur = 0 ; cur < iter.rem ; xcb_visualtype_next(&iter), ++cur) + if (vid == iter.data->visual_id) + return iter.data; + + return NULL; +} + +void +xcb_aux_sync (xcb_connection_t *c) +{ + free(xcb_get_input_focus_reply(c, xcb_get_input_focus(c), NULL)); +} + +/* structs instead of value lists */ +/* TODO: generate the struct types and functions from protocol masks and descriptions */ + +/* This generic implementation of pack_list depends on: + a) structs packed to uint32_t size + b) structs consist of just uint32_t/int32_t fields in the same order as bitmask +*/ + +static void +pack_list( uint32_t mask, const uint32_t *src, uint32_t *dest ) +{ + for ( ; mask; mask >>= 1, src++) + if (mask & 1) + *dest++ = *src; +} + +xcb_void_cookie_t +xcb_aux_create_window (xcb_connection_t *c, + uint8_t depth, + xcb_window_t wid, + xcb_window_t parent, + int16_t x, + int16_t y, + uint16_t width, + uint16_t height, + uint16_t border_width, + uint16_t _class, + xcb_visualid_t visual, + uint32_t mask, + const xcb_params_cw_t *params) +{ + uint32_t value_list[16]; + pack_list(mask, (const uint32_t *)params, value_list); + return xcb_create_window(c, depth, wid, parent, + x, y, width, height, border_width, + _class, visual, mask, value_list); +} + +xcb_void_cookie_t +xcb_aux_change_window_attributes (xcb_connection_t *c, + xcb_window_t window, + uint32_t mask, + const xcb_params_cw_t *params) +{ + uint32_t value_list[16]; + pack_list(mask, (const uint32_t *)params, value_list); + return xcb_change_window_attributes( c, window, mask, value_list ); +} + +xcb_void_cookie_t +xcb_aux_configure_window (xcb_connection_t *c, + xcb_window_t window, + uint16_t mask, + const xcb_params_configure_window_t *params) +{ + uint32_t value_list[8]; + pack_list(mask, (const uint32_t *)params, value_list); + return xcb_configure_window( c, window, mask, value_list ); +} + +xcb_void_cookie_t +xcb_aux_create_gc (xcb_connection_t *c, + xcb_gcontext_t gid, + xcb_drawable_t drawable, + uint32_t mask, + const xcb_params_gc_t *params) +{ + uint32_t value_list[32]; + pack_list(mask, (const uint32_t *)params, value_list); + return xcb_create_gc( c, gid, drawable, mask, value_list ); +} + +xcb_void_cookie_t +xcb_aux_change_gc (xcb_connection_t *c, + xcb_gcontext_t gc, + uint32_t mask, + const xcb_params_gc_t *params) +{ + uint32_t value_list[32]; + pack_list(mask, (const uint32_t *)params, value_list); + return xcb_change_gc( c, gc, mask, value_list ); +} + +xcb_void_cookie_t +xcb_aux_change_keyboard_control (xcb_connection_t *c, + uint32_t mask, + const xcb_params_keyboard_t *params) +{ + uint32_t value_list[16]; + pack_list(mask, (const uint32_t *)params, value_list); + return xcb_change_keyboard_control( c, mask, value_list ); +} |