From 3a8c392d9014623949ad3be8601ea84c11e92979 Mon Sep 17 00:00:00 2001
From: Zedhugh Chen <zedhugh@gmail.com>
Date: Mon, 8 Jun 2026 01:21:19 +0800
Subject: [PATCH] =?UTF-8?q?feat(bar):=20=E5=AE=9E=E7=8E=B0=20bar=20?=
 =?UTF-8?q?=E5=88=9D=E5=A7=8B=E5=8C=96=E5=92=8C=E6=B8=85=E7=90=86=E5=8A=9F?=
 =?UTF-8?q?=E8=83=BD=E5=B9=B6=E5=B0=86=E5=85=B6=E9=9B=86=E6=88=90=E5=88=B0?=
 =?UTF-8?q?=20runtime=20=E4=B8=AD?=
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---
 CMakeLists.txt        |  1 +
 src/bar/bar.c         | 87 +++++++++++++++++++++++++++++++++++++++++++
 src/bar/bar.h         |  3 ++
 src/runtime/runtime.c |  4 ++
 4 files changed, 95 insertions(+)
 create mode 100644 src/bar/bar.c

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f94870a..51e63dd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,7 @@ add_executable(${APP_NAME}
     ${SOURCE_DIR}/backend/x11/event.c
     ${SOURCE_DIR}/backend/x11/window.c
 
+    ${SOURCE_DIR}/bar/bar.c
     ${SOURCE_DIR}/bar/cell.c
     ${SOURCE_DIR}/bar/workspaces.c
 
diff --git a/src/bar/bar.c b/src/bar/bar.c
new file mode 100644
index 0000000..baf65b0
--- /dev/null
+++ b/src/bar/bar.c
@@ -0,0 +1,87 @@
+#include "bar/bar.h"
+
+#include <cairo.h>
+#include <stddef.h>
+#include <zdwm/bar.h>
+#include <zdwm/types.h>
+
+#include "bar/types.h"
+#include "bar/workspaces.h"
+#include "base/array.h"
+#include "base/memory.h"
+
+static zdwm_bar_item_t *bar_add_item(
+  bar_output_t *bar_output,
+  zdwm_bar_side_type_t side_type,
+  zdwm_bar_item_type_t item_type,
+  void *config
+) {
+  auto side = &bar_output->sides[side_type];
+  auto item = array_push(side->items, side->count, side->capacity);
+  item->api = item_type;
+
+  auto create_state = item_type.create_state;
+  if (create_state) item->state = create_state(bar_output->output_id, config);
+
+  return item;
+}
+
+static void bar_item_cleanup(zdwm_bar_item_t *item) {
+  auto destroy_state = item->api.destroy_state;
+  if (destroy_state) destroy_state(item->state);
+  item->state = nullptr;
+
+  p_delete(&item->cells);
+  p_clear(item, 1);
+}
+
+#define VALUE(value, fallback) ((value) ? (value) : (fallback))
+
+void bar_output_add_workspace(
+  bar_output_t *bar_output,
+  zdwm_bar_config_t *config
+) {
+  auto side = ZDWM_BAR_SIDE_LEFT;
+
+  bar_workspace_config_t workspace_config = {
+    .cell_padding    = VALUE(config->tag_cell_padding_x, config->padding_x),
+    .indicator_width = VALUE(config->tag_indicator_width, 4),
+    .bg              = VALUE(config->tag_bg, config->bg),
+    .fg              = VALUE(config->tag_fg, config->fg),
+    .active_bg       = config->tag_active_bg,
+    .active_fg       = config->tag_active_fg,
+    .urgent_bg       = config->tag_urgent_bg,
+    .urgent_fg       = config->tag_urgent_fg,
+  };
+  auto item = bar_add_item(bar_output, side, bar_workspace, &workspace_config);
+  item->cell_padding    = workspace_config.cell_padding;
+  item->indicator_width = workspace_config.indicator_width;
+}
+
+void bar_init(bar_t *bar) {
+  for (size_t i = 0; i < bar->count; ++i) {
+    auto bar_output = &bar->bars[i];
+    bar_output_add_workspace(bar_output, &bar->config);
+  }
+}
+
+static void bar_side_cleanup(bar_side_t *side) {
+  for (size_t i = 0; i < side->count; ++i) bar_item_cleanup(&side->items[i]);
+
+  p_delete(&side->items);
+  p_clear(side, 1);
+}
+
+void bar_cleanup(bar_t *bar) {
+  for (size_t i = 0; i < bar->count; ++i) {
+    auto bar_output = &bar->bars[i];
+    for (size_t j = 0; j < ZDWM_BAR_SIDE_COUNT; ++j) {
+      auto side = &bar_output->sides[j];
+      bar_side_cleanup(side);
+    }
+    cairo_destroy(bar_output->cr);
+    bar_output->cr = nullptr;
+  }
+  p_delete(&bar->bars);
+  bar->count = 0;
+}
diff --git a/src/bar/bar.h b/src/bar/bar.h
index a2d453f..a456be9 100644
--- a/src/bar/bar.h
+++ b/src/bar/bar.h
@@ -28,3 +28,6 @@ typedef struct bar_t {
   zdwm_bar_config_t config;
   bar_palette_t palette;
 } bar_t;
+
+void bar_init(bar_t *bar);
+void bar_cleanup(bar_t *bar);
diff --git a/src/runtime/runtime.c b/src/runtime/runtime.c
index 5634222..9484d0e 100644
--- a/src/runtime/runtime.c
+++ b/src/runtime/runtime.c
@@ -150,6 +150,8 @@ static void runtime_shutdown(runtime_t *runtime) {
   runtime->backend = nullptr;
   if (runtime->config_module_handle) dlclose(runtime->config_module_handle);
   runtime->config_module_handle = nullptr;
+
+  bar_cleanup(&runtime->bar);
 }
 
 static void runtime_notify_initial_state(runtime_t *runtime) {
@@ -225,6 +227,8 @@ static void runtime_init_bar(runtime_t *runtime) {
     bar_output->window_id = bar_window.window_id;
     bar_output->output_id = output->id;
   }
+
+  bar_init(&runtime->bar);
 }
 
 static void runtime_setup(runtime_t *runtime) {