From 9c7d93cdb85ccc89f0804b4f280eac099c4476c6 Mon Sep 17 00:00:00 2001
From: Yuqian Yang <crupest@crupest.life>
Date: Tue, 23 Sep 2025 22:37:42 +0800
Subject: Impl xcb cursor manager.

---
 include/cru/platform/gui/xcb/Cursor.h        | 25 ++++++++++++++++++-------
 include/cru/platform/gui/xcb/UiApplication.h |  5 ++++-
 2 files changed, 22 insertions(+), 8 deletions(-)

(limited to 'include')

diff --git a/include/cru/platform/gui/xcb/Cursor.h b/include/cru/platform/gui/xcb/Cursor.h
index d51c33c1..02ede7dd 100644
--- a/include/cru/platform/gui/xcb/Cursor.h
+++ b/include/cru/platform/gui/xcb/Cursor.h
@@ -5,17 +5,16 @@
 #include "Base.h"
 
 #include <xcb/xcb.h>
+#include <xcb/xcb_cursor.h>
+#include <memory>
+#include <string_view>
+#include <unordered_map>
 
 namespace cru::platform::gui::xcb {
 class XcbUiApplication;
+
 class XcbCursor : public XcbResource, public virtual ICursor {
  public:
-  /**
-   * Specification at
-   * https://www.x.org/archive/X11R7.7/doc/man/man3/Xcursor.3.xhtml.
-   */
-  static XcbCursor* LoadXCursor(io::Stream* stream);
-
   XcbCursor(XcbUiApplication* application, xcb_cursor_t cursor, bool auto_free);
   ~XcbCursor() override;
 
@@ -28,6 +27,18 @@ class XcbCursor : public XcbResource, public virtual ICursor {
 };
 
 class XcbCursorManager : public XcbResource, public virtual ICursorManager {
-  virtual std::shared_ptr<ICursor> GetSystemCursor(SystemCursorType type) = 0;
+ public:
+  explicit XcbCursorManager(XcbUiApplication* application);
+  ~XcbCursorManager() override;
+
+  std::shared_ptr<ICursor> GetSystemCursor(SystemCursorType type) override;
+
+ private:
+  std::shared_ptr<XcbCursor> LoadXCursor(std::string_view name);
+
+ private:
+  XcbUiApplication* application_;
+  xcb_cursor_context_t* xcb_cursor_context_;
+  std::unordered_map<SystemCursorType, std::shared_ptr<XcbCursor>> cursors_;
 };
 }  // namespace cru::platform::gui::xcb
diff --git a/include/cru/platform/gui/xcb/UiApplication.h b/include/cru/platform/gui/xcb/UiApplication.h
index 4fa4ec8d..80995179 100644
--- a/include/cru/platform/gui/xcb/UiApplication.h
+++ b/include/cru/platform/gui/xcb/UiApplication.h
@@ -12,6 +12,7 @@
 
 namespace cru::platform::gui::xcb {
 class XcbWindow;
+class XcbCursorManager;
 
 class XcbUiApplication : public XcbResource, public virtual IUiApplication {
   friend XcbWindow;
@@ -68,7 +69,7 @@ class XcbUiApplication : public XcbResource, public virtual IUiApplication {
 
   cru::platform::graphics::IGraphicsFactory* GetGraphicsFactory() override;
 
-  virtual ICursorManager* GetCursorManager() = 0;
+  ICursorManager* GetCursorManager() override;
 
   virtual IClipboard* GetClipboard() = 0;
 
@@ -105,5 +106,7 @@ class XcbUiApplication : public XcbResource, public virtual IUiApplication {
 
   bool is_quit_on_all_window_closed_;
   std::vector<XcbWindow*> windows_;
+
+  XcbCursorManager* cursor_manager_;
 };
 }  // namespace cru::platform::gui::xcb
-- 
cgit v1.2.3