Generalize window commands to nodes

[bspwm.git] / tests / test_window.c

diff --git a/tests/test_window.c b/tests/test_window.c
new file mode 100644 (file)
index 0000000..1f41a2c
--- /dev/null
+++ b/tests/test_window.c
@@ -0,0 +1,105 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+#include <xcb/xcb_event.h>
+#include <xcb/xcb_icccm.h>
+
+#define TEST_WINDOW_IC  "test\0Test"
+
+bool get_atom(xcb_connection_t *dpy, char *name, xcb_atom_t *atom)
+{
+       bool ret = true;
+       xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(dpy, xcb_intern_atom(dpy, 0, strlen(name), name), NULL);
+       if (reply != NULL) {
+               *atom = reply->atom;
+       } else {
+               ret = false;
+       }
+       free(reply);
+       return ret;
+}
+
+void check_request(xcb_connection_t *dpy, xcb_void_cookie_t cookie, char *msg)
+{
+       xcb_generic_error_t *err = xcb_request_check(dpy, cookie);
+       if (err != NULL) {
+               fprintf(stderr, "%s: error code: %u.\n", msg, err->error_code);
+               xcb_disconnect(dpy);
+               exit(-1);
+       }
+}
+
+xcb_gc_t get_font_gc(xcb_connection_t *dpy, xcb_window_t win, const char *font_name)
+{
+       xcb_void_cookie_t ck;
+       xcb_font_t font = xcb_generate_id(dpy);
+       ck = xcb_open_font_checked(dpy, font, strlen(font_name), font_name);
+       check_request(dpy, ck, "Can't open font");
+       xcb_gcontext_t gc = xcb_generate_id(dpy);
+       uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
+       uint32_t values[] = {0xffcccccc, 0xff111111, font};
+       xcb_create_gc(dpy, gc, win, mask, values);
+       xcb_close_font(dpy, font);
+       return gc;
+}
+
+void render_text(xcb_connection_t *dpy, xcb_window_t win, int16_t x, int16_t y)
+{
+       char id[8];
+       xcb_void_cookie_t ck;
+       snprintf(id, sizeof(id), "%07x", win);
+       xcb_gcontext_t gc = get_font_gc(dpy, win, "-*-fixed-medium-*-*-*-18-*-*-*-*-*-*-*");
+       /* Don't work with the _checked ! */
+       ck = xcb_image_text_8_checked(dpy, strlen(id), win, gc, x, y, id);
+       check_request(dpy, ck, "Can't draw text");
+       xcb_free_gc(dpy, gc);
+}
+
+
+int main(void)
+{
+       xcb_connection_t *dpy = xcb_connect(NULL, NULL);
+       if (dpy == NULL) {
+               fprintf(stderr, "Can't connect to X.\n");
+               return EXIT_FAILURE;
+       }
+       xcb_atom_t WM_PROTOCOLS, WM_DELETE_WINDOW;
+       if (!get_atom(dpy, "WM_PROTOCOLS", &WM_PROTOCOLS) ||
+           !get_atom(dpy, "WM_DELETE_WINDOW", &WM_DELETE_WINDOW)) {
+               fprintf(stderr, "Can't get required atoms.\n");
+               xcb_disconnect(dpy);
+               return EXIT_FAILURE;
+       }
+       xcb_screen_t *screen = xcb_setup_roots_iterator(xcb_get_setup(dpy)).data;
+       if (screen == NULL) {
+               fprintf(stderr, "Can't get current screen.\n");
+               xcb_disconnect(dpy);
+               return EXIT_FAILURE;
+       }
+       xcb_window_t win = xcb_generate_id(dpy);
+       uint32_t mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
+       uint32_t values[] = {0xff111111, XCB_EVENT_MASK_EXPOSURE};
+       xcb_create_window(dpy, XCB_COPY_FROM_PARENT, win, screen->root, 0, 0, 320, 240, 2,
+                         XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT, mask, values);
+       xcb_icccm_set_wm_class(dpy, win, sizeof(TEST_WINDOW_IC), TEST_WINDOW_IC);
+       xcb_map_window(dpy, win);
+       xcb_flush(dpy);
+       xcb_generic_event_t *evt;
+       bool running = true;
+       while (running && (evt = xcb_wait_for_event(dpy)) != NULL) {
+               uint8_t rt = XCB_EVENT_RESPONSE_TYPE(evt);
+               if (rt == XCB_CLIENT_MESSAGE)  {
+                       xcb_client_message_event_t *cme = (xcb_client_message_event_t *) evt;
+                       if (cme->type == WM_PROTOCOLS && cme->data.data32[0] == WM_DELETE_WINDOW) {
+                               running = false;
+                       }
+               } else if (rt == XCB_EXPOSE) {
+                       render_text(dpy, win, 12, 24);
+               }
+               free(evt);
+       }
+       xcb_destroy_window(dpy, win);
+       xcb_disconnect(dpy);
+       return EXIT_SUCCESS;
+}