ui: add new subsystemv0.61

Add the UI subsystem. This subsystem will control the window display,
events and input.

Signed-off-by: Danny Holman <dholman@gymli.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/ui/window.c b/ui/window.c
new file mode 100644
index 0000000..a15a45b
--- /dev/null
+++ b/ui/window.c
@@ -0,0 +1,33 @@
+#include <rune/ui/window.h>
+#include <rune/core/logging.h>
+#include <rune/core/callbacks.h>
+#include <rune/core/alloc.h>
+#include <rune/core/abort.h>
+#include <rune/util/types.h>
+#include <string.h>
+
+struct rune_window* rune_create_window(uint32_t width, uint32_t height, const char *title) {
+        glfwInit();
+        glfwSetErrorCallback(error_callback);
+        glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
+        glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
+
+        struct rune_window *ret = rune_alloc(sizeof(struct rune_window));
+        ret->winw = width;
+        ret->winh = height;
+        ret->wintitle = title;
+        ret->window = glfwCreateWindow(ret->winw, ret->winh,
+                                       ret->wintitle,
+                                       NULL, NULL);
+        if (ret->window == NULL) {
+                log_output(LOG_FATAL, "Cannot create window");
+                rune_abort();
+        }
+
+        return ret;
+}
+
+void rune_destroy_window(struct rune_window *window) {
+        glfwDestroyWindow(window->window);
+        glfwTerminate();
+}