core: 添加 X11 后端初始化与屏幕信息探测

src/core/backend.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <stddef.h>
+
+#include "wm_desc.h"
+
+typedef struct wm_backend_t wm_backend_t;
+
+typedef struct wm_backend_detect_t {
+  wm_output_info_t *outputs;
+  size_t output_count;
+} wm_backend_detect_t;
+
+wm_backend_t *wm_backend_create(const char *display_name);
+void wm_backend_destroy(wm_backend_t *backend);
+
+wm_backend_detect_t *wm_backend_detect(wm_backend_t *backend);
+void wm_backend_detect_destroy(wm_backend_detect_t *detect);

src/core/runtime.c

@@ -0,0 +1,51 @@
+#include "core/runtime.h"
+
+#include <stddef.h>
+
+#include "core/backend.h"
+#include "core/state.h"
+#include "core/types.h"
+#include "utils.h"
+#include "wm_desc.h"
+
+bool wm_runtime_init(wm_runtime_t *runtime) {
+  p_clear(runtime, 1);
+
+  wm_backend_t *backend = wm_backend_create(nullptr);
+  if (!backend) return false;
+
+  runtime->backend = backend;
+
+  wm_backend_detect_t *detect = wm_backend_detect(backend);
+  if (!detect || detect->output_count <= 0) {
+    wm_backend_destroy(backend);
+    return false;
+  }
+
+  wm_workspace_desc_t *workspaces =
+    p_new(wm_workspace_desc_t, detect->output_count);
+  static wm_layout_id_t ids[] = {0, 1, 2};
+  for (size_t i = 0; i < detect->output_count; i++) {
+    wm_workspace_desc_t *desc = &workspaces[i];
+    desc->output_index = i;
+    desc->name = "web";
+    desc->layout_ids = ids;
+    desc->layout_count = countof(ids);
+    desc->initial_layout_id = 1;
+  }
+
+  wm_state_init(&runtime->state, detect->outputs, detect->output_count,
+                workspaces, detect->output_count);
+  p_delete(&workspaces);
+  wm_backend_detect_destroy(detect);
+  detect = nullptr;
+
+  return true;
+}
+
+void wm_runtime_shutdown(wm_runtime_t *runtime) {
+  runtime->running = false;
+  wm_state_cleanup(&runtime->state);
+  wm_backend_destroy(runtime->backend);
+  runtime->backend = nullptr;
+}

src/core/runtime.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "core/backend.h"
 #include "core/state.h"
 
 typedef struct wm_runtime_t {
@@ -7,6 +8,7 @@ typedef struct wm_runtime_t {
   bool will_restart;
 
   wm_state_t state;
+  wm_backend_t *backend;
 } wm_runtime_t;
 
 bool wm_runtime_init(wm_runtime_t *runtime);