From 6aa2201797a9ed64ce0178215ae941d0c5f09579 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Fri, 30 Oct 2020 00:07:57 +0800
Subject: ...

---
 src/win/gui/Cursor.cpp | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 src/win/gui/Cursor.cpp

(limited to 'src/win/gui/Cursor.cpp')

diff --git a/src/win/gui/Cursor.cpp b/src/win/gui/Cursor.cpp
new file mode 100644
index 00000000..5f3086fa
--- /dev/null
+++ b/src/win/gui/Cursor.cpp
@@ -0,0 +1,51 @@
+#include "cru/win/gui/Cursor.hpp"
+
+#include "cru/common/Logger.hpp"
+#include "cru/win/gui/Exception.hpp"
+
+#include <stdexcept>
+
+namespace cru::platform::gui::win {
+WinCursor::WinCursor(HCURSOR handle, bool auto_destroy) {
+  handle_ = handle;
+  auto_destroy_ = auto_destroy;
+}
+
+WinCursor::~WinCursor() {
+  if (auto_destroy_) {
+    if (!::DestroyCursor(handle_)) {
+      // This is not a fetal error but might still need notice because it may
+      // cause leak.
+      log::TagWarn(log_tag, u"Failed to destroy a cursor. Last error code: {}",
+                   ::GetLastError());
+    }
+  }
+}
+
+namespace {
+WinCursor* LoadWinCursor(const wchar_t* name) {
+  const auto handle = static_cast<HCURSOR>(::LoadImageW(
+      NULL, name, IMAGE_CURSOR, SM_CYCURSOR, SM_CYCURSOR, LR_SHARED));
+  if (handle == NULL) {
+    throw Win32Error(::GetLastError(), "Failed to load system cursor.");
+  }
+  return new WinCursor(handle, false);
+}
+}  // namespace
+
+WinCursorManager::WinCursorManager()
+    : sys_arrow_(LoadWinCursor(IDC_ARROW)),
+      sys_hand_(LoadWinCursor(IDC_HAND)) {}
+
+std::shared_ptr<WinCursor> WinCursorManager::GetSystemWinCursor(
+    SystemCursorType type) {
+  switch (type) {
+    case SystemCursorType::Arrow:
+      return sys_arrow_;
+    case SystemCursorType::Hand:
+      return sys_hand_;
+    default:
+      throw std::runtime_error("Unknown system cursor value.");
+  }
+}
+}  // namespace cru::platform::gui::win
-- 
cgit v1.2.3


From 141fbebbe604eac53d12e7de11f999044e286cb6 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 10 Nov 2020 14:42:36 +0800
Subject: ...

---
 include/cru/platform/gui/Base.hpp      | 5 -----
 include/cru/platform/gui/Cursor.hpp    | 2 ++
 include/cru/win/gui/Cursor.hpp         | 1 +
 src/ui/controls/TextControlService.hpp | 5 +++++
 src/win/gui/Cursor.cpp                 | 5 ++++-
 5 files changed, 12 insertions(+), 6 deletions(-)

(limited to 'src/win/gui/Cursor.cpp')

diff --git a/include/cru/platform/gui/Base.hpp b/include/cru/platform/gui/Base.hpp
index fb196f02..7a9d1889 100644
--- a/include/cru/platform/gui/Base.hpp
+++ b/include/cru/platform/gui/Base.hpp
@@ -25,11 +25,6 @@ constexpr MouseButton middle{0b10};
 constexpr MouseButton right{0b100};
 }  // namespace mouse_buttons
 
-enum class SystemCursorType {
-  Arrow,
-  Hand,
-};
-
 struct NativeMouseButtonEventArgs {
   MouseButton button;
   Point point;
diff --git a/include/cru/platform/gui/Cursor.hpp b/include/cru/platform/gui/Cursor.hpp
index 3f1679e4..316496a0 100644
--- a/include/cru/platform/gui/Cursor.hpp
+++ b/include/cru/platform/gui/Cursor.hpp
@@ -4,6 +4,8 @@
 #include <memory>
 
 namespace cru::platform::gui {
+enum class SystemCursorType { Arrow, Hand, IBeam };
+
 struct ICursor : virtual INativeResource {};
 
 struct ICursorManager : virtual INativeResource {
diff --git a/include/cru/win/gui/Cursor.hpp b/include/cru/win/gui/Cursor.hpp
index cd13ded7..e7c76879 100644
--- a/include/cru/win/gui/Cursor.hpp
+++ b/include/cru/win/gui/Cursor.hpp
@@ -45,5 +45,6 @@ class WinCursorManager : public WinNativeResource,
  private:
   std::shared_ptr<WinCursor> sys_arrow_;
   std::shared_ptr<WinCursor> sys_hand_;
+  std::shared_ptr<WinCursor> sys_ibeam_;
 };
 }  // namespace cru::platform::gui::win
diff --git a/src/ui/controls/TextControlService.hpp b/src/ui/controls/TextControlService.hpp
index 8ad95dec..92a66f5e 100644
--- a/src/ui/controls/TextControlService.hpp
+++ b/src/ui/controls/TextControlService.hpp
@@ -4,6 +4,7 @@
 #include "cru/common/StringUtil.hpp"
 #include "cru/platform/graphics/Font.hpp"
 #include "cru/platform/graphics/Painter.hpp"
+#include "cru/platform/gui/Cursor.hpp"
 #include "cru/platform/gui/InputMethod.hpp"
 #include "cru/platform/gui/UiApplication.hpp"
 #include "cru/platform/gui/Window.hpp"
@@ -50,10 +51,14 @@ class TextControlService : public Object {
       if (this->caret_visible_) {
         this->SetupCaret();
       }
+      this->control_->SetCursor(
+          GetUiApplication()->GetCursorManager()->GetSystemCursor(
+              platform::gui::SystemCursorType::IBeam));
     } else {
       this->AbortSelection();
       this->TearDownHandlers();
       this->TearDownCaret();
+      this->control_->SetCursor(nullptr);
     }
   }
 
diff --git a/src/win/gui/Cursor.cpp b/src/win/gui/Cursor.cpp
index 5f3086fa..80e8a749 100644
--- a/src/win/gui/Cursor.cpp
+++ b/src/win/gui/Cursor.cpp
@@ -35,7 +35,8 @@ WinCursor* LoadWinCursor(const wchar_t* name) {
 
 WinCursorManager::WinCursorManager()
     : sys_arrow_(LoadWinCursor(IDC_ARROW)),
-      sys_hand_(LoadWinCursor(IDC_HAND)) {}
+      sys_hand_(LoadWinCursor(IDC_HAND)),
+      sys_ibeam_(LoadWinCursor(IDC_IBEAM)) {}
 
 std::shared_ptr<WinCursor> WinCursorManager::GetSystemWinCursor(
     SystemCursorType type) {
@@ -44,6 +45,8 @@ std::shared_ptr<WinCursor> WinCursorManager::GetSystemWinCursor(
       return sys_arrow_;
     case SystemCursorType::Hand:
       return sys_hand_;
+    case SystemCursorType::IBeam:
+      return sys_ibeam_;
     default:
       throw std::runtime_error("Unknown system cursor value.");
   }
-- 
cgit v1.2.3