diff options
| -rw-r--r-- | structest.c | 19 | ||||
| -rw-r--r-- | xcb.c | 108 |
2 files changed, 110 insertions, 17 deletions
diff --git a/structest.c b/structest.c new file mode 100644 index 0000000..28888e5 --- /dev/null +++ b/structest.c @@ -0,0 +1,19 @@ +#include <stdio.h> +#include <string.h> + +struct test { + char *string; + int length; +}; + +int main(int argc, char **argv) +{ + struct test t = {"Testing.", strlen("Testing.")}; + + char strbuf[256]; + + strncpy(strbuf, t.string, t.length + 1); + printf("%s\n", strbuf); + + return 0; +} @@ -1,30 +1,104 @@ -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> +#include <unistd.h> #include <xcb/xcb.h> -#include <inttypes.h> int main(int argc, char **argv) { - int i, screen_num; - xcb_connection_t *connection = xcb_connect(NULL, &screen_num); + xcb_point_t points[] = { + {10, 10}, + {10, 20}, + {20, 10}, + {20, 20} + }; + + xcb_point_t polyline[] = { + {50, 10}, + { 5, 20}, + {20,-20}, + {10, 10} + }; + + xcb_segment_t segments[] { + {100, 10, 140, 30}, + {110, 25, 130, 60} + }; + + xcb_rectangle_t rectangles[] = { + {10, 50, 40, 20}, + {80, 50, 10, 40} + }; + + xcb_arc_t arcs[] = { + {10, 100, 60, 40, 0, 90 << 6}, + {90, 100, 55, 40, 0, 270 << 6} + }; + + xcb_connection_t *connection = xcb_connect(NULL, NULL); const xcb_setup_t *setup = xcb_get_setup(connection); - xcb_screen_iterator_t iter = xcb_setup_roots_iterator(setup); + xcb_screen_t *screen = xcb_setup_roots_iterator(setup).data; + + xcb_drawable_t window = screen->root; + xcb_gcontext_t foreground = xcb_generate_id(connection); + uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_GRAPHICS_EXPOSURES; + uint32_t values[2] = { + screen->black_pixel, + 0 + }; + + xcb_create_gc(connection, foreground, window, mask, values); + + mask = XCB_CW_BLACK_PIXEL | XCB_CW_EVENT_MASK; + values = { + screen->white_pixel, + - for (i = 0; i < screen_num; i++) { - xcb_screen_next(&iter); - } + xcb_window_t window = xcb_generate_id(connection); + xcb_create_window(connection, + XCB_COPY_FROM_PARENT, + window, + screen->root, + 0, 0, + 150, 150, + 10, + XCB_WINDOW_CLASS_INPUT_OUTPUT, + screen->root_visual, + 0, NULL); - xcb_screen_t *screen = iter.data; + xcb_map_window(connection, window); - printf("\n"); - printf("Information about screen %"PRIu32":\n", screen->root); - printf(" width : %"PRIu16"\n", screen->width_in_pixels); - printf(" height : %"PRIu16"\n", screen->height_in_pixels); - printf(" white pixel : %"PRIu32"\n", screen->white_pixel); - printf(" black pixel : %"PRIu32"\n", screen->black_pixel); + xcb_flush(connection); + + pause(); xcb_disconnect(connection); + +/*#include <stdbool.h>*/ +/*#include <stdio.h>*/ +/*#include <stdlib.h>*/ +/*#include <xcb/xcb.h>*/ +/*#include <inttypes.h>*/ + +/*int main(int argc, char **argv)*/ +/*{*/ + /*int i, screen_num;*/ + /*xcb_connection_t *connection = xcb_connect(NULL, &screen_num);*/ + + /*const xcb_setup_t *setup = xcb_get_setup(connection);*/ + /*xcb_screen_iterator_t iter = xcb_setup_roots_iterator(setup);*/ + + /*for (i = 0; i < screen_num; i++) {*/ + /*xcb_screen_next(&iter);*/ + /*}*/ + + /*xcb_screen_t *screen = iter.data;*/ + + /*printf("\n");*/ + /*printf("Information about screen %"PRIu32":\n", screen->root);*/ + /*printf(" width : %"PRIu16"\n", screen->width_in_pixels);*/ + /*printf(" height : %"PRIu16"\n", screen->height_in_pixels);*/ + /*printf(" white pixel : %"PRIu32"\n", screen->white_pixel);*/ + /*printf(" black pixel : %"PRIu32"\n", screen->black_pixel);*/ + + /*xcb_disconnect(connection);*/ return 0; } |