Refactor predefine resources. Add check for dead recursion in singletons in debug mode.

1 files changed, 96 insertions, 0 deletions

diff --git a/src/ui/ui_manager.cpp b/src/ui/ui_manager.cpp
new file mode 100644
index 00000000..3918b2d5
--- /dev/null
+++ b/src/ui/ui_manager.cpp
@@ -0,0 +1,96 @@
+#include "ui_manager.hpp"
+
+#include "application.hpp"
+#include "border_property.hpp"
+#include "graph/graph.hpp"
+#include "exception.hpp"
+
+
+namespace cru::ui
+{
+    namespace
+    {
+        void GetSystemCaretInfo(CaretInfo* caret_info)
+        {
+            caret_info->caret_blink_duration = std::chrono::milliseconds(::GetCaretBlinkTime());
+            DWORD caret_width;
+            if (!::SystemParametersInfoW(SPI_GETCARETWIDTH, 0 , &caret_width, 0))
+                throw Win32Error(::GetLastError(), "Failed to get system caret width.");
+            caret_info->half_caret_width = caret_width / 2.0f;
+        }
+
+        Microsoft::WRL::ComPtr<ID2D1Brush> CreateSolidBrush(graph::GraphManager* graph_manager, const D2D1_COLOR_F& color)
+        {
+            const auto device_context = graph_manager->GetD2D1DeviceContext();
+            Microsoft::WRL::ComPtr<ID2D1SolidColorBrush> solid_color_brush;
+            device_context->CreateSolidColorBrush(color, &solid_color_brush);
+            return solid_color_brush;
+        }
+
+        Microsoft::WRL::ComPtr<IDWriteTextFormat> CreateDefaultTextFormat(graph::GraphManager* graph_manager)
+        {
+            const auto dwrite_factory = graph_manager->GetDWriteFactory();
+
+            Microsoft::WRL::ComPtr<IDWriteTextFormat> text_format;
+
+            ThrowIfFailed(dwrite_factory->CreateTextFormat(
+                L"等线", nullptr,
+                DWRITE_FONT_WEIGHT_NORMAL,
+                DWRITE_FONT_STYLE_NORMAL,
+                DWRITE_FONT_STRETCH_NORMAL,
+                24.0, L"zh-cn",
+                &text_format
+            ));
+
+            ThrowIfFailed(text_format->SetTextAlignment(DWRITE_TEXT_ALIGNMENT_CENTER));
+            ThrowIfFailed(text_format->SetParagraphAlignment(DWRITE_PARAGRAPH_ALIGNMENT_CENTER));
+
+            return text_format;
+        }
+    }
+
+
+    //!!! never use default constructor of border at here, because it will recursively call this method!
+    PredefineResources::PredefineResources(graph::GraphManager* graph_manager) :
+        border_property_brush{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::Black))},
+
+        button_normal_border{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::RoyalBlue)), 2, 6, 6},
+        button_press_border{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::Blue)), 2, 6, 6},
+
+        text_control_selection_brush{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::LightSkyBlue))},
+
+        text_box_border{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::Black))},
+        text_box_text_brush{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::Black))},
+        text_box_text_format{CreateDefaultTextFormat(graph_manager)},
+        text_box_caret_brush{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::Black))},
+
+        text_block_text_brush{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::Black))},
+        text_block_text_format{CreateDefaultTextFormat(graph_manager)},
+
+        toggle_button_on_brush{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::DeepSkyBlue))},
+        toggle_button_off_brush{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::LightGray))}
+
+#ifdef CRU_DEBUG_LAYOUT
+        ,
+        debug_layout_out_border_brush{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::Crimson))},
+        debug_layout_margin_brush{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::LightCoral, 0.25f))},
+        debug_layout_padding_brush{CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::SkyBlue, 0.25f))}
+#endif
+    {
+        
+    }
+
+    UiManager* UiManager::GetInstance()
+    {
+        return Application::GetInstance()->ResolveSingleton<UiManager>([](auto)
+        {
+            return new UiManager{};
+        });
+    }
+
+    UiManager::UiManager()
+        : predefine_resources_(graph::GraphManager::GetInstance())
+    {
+        GetSystemCaretInfo(&caret_info_);
+    }
+}