feat(action): 重构 action 接口为函数指针表并实现 quit 和 raise_or_run

src/core/action.c

@@ -1,11 +1,18 @@
 #include "core/action.h"
 
 #include <paths.h>
+#include <stddef.h>
 #include <stdlib.h>
 #include <sys/wait.h>
 #include <unistd.h>
 
 #include "base/log.h"
+#include "base/macros.h"
+#include "core/command.h"
+#include "core/command_buffer.h"
+#include "core/state.h"
+#include "core/types.h"
+#include "core/window.h"
 
 void spawn(const char *command) {
   if (fork() == 0) {
@@ -21,3 +28,63 @@ void spawn(const char *command) {
 
   wait(0);
 }
+
+void quit(runtime_t *runtime, bool restart) {
+  runtime->will_restart = restart;
+  runtime->running      = false;
+}
+
+static const window_t *
+get_next_window_by_class(state_t *state, const char *class_name) {
+  auto output    = state_output_at(state, state->current_output_index);
+  auto workspace = state_workspace_get(state, output->current_workspace_id);
+
+  size_t start_index = 0;
+  if (!window_id_invalid(workspace->focused_window_id)) {
+    for (size_t i = 0; i < state_window_count(state); ++i) {
+      if (state_window_at(state, i)->id == workspace->focused_window_id) {
+        start_index = i;
+        break;
+      }
+    }
+  }
+
+  for (size_t i = start_index + 1; i < state_window_count(state); ++i) {
+    auto window = state_window_at(state, i);
+    if (strcmp(window->class_name, class_name) == 0) {
+      return window;
+    }
+  }
+
+  for (size_t i = 0; i < MIN(start_index + 1, state_window_count(state)); ++i) {
+    auto window = state_window_at(state, i);
+    if (strcmp(window->class_name, class_name) == 0) {
+      return window;
+    }
+  }
+  return nullptr;
+}
+
+void raise_or_run(
+  zdwm_runtime_t *runtime,
+  const char *class_name,
+  const char *command
+) {
+  auto window = get_next_window_by_class(&runtime->state, class_name);
+  if (!window) {
+    spawn(command);
+    return;
+  }
+
+  command_t switch_workspace_cmd = {
+    .type                          = ZDWM_COMMAND_SWITCH_WORKSPACE,
+    .as.switch_workspace.workspace = window->workspace_id,
+  };
+  command_buffer_push(&runtime->command_buffer, &switch_workspace_cmd);
+
+  command_t focus_cmd = {
+    .type            = ZDWM_COMMAND_FOCUS_WINDOW,
+    .as.focus.window = window->id,
+  };
+  command_buffer_push(&runtime->command_buffer, &focus_cmd);
+}