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#include "ui_manager.hpp"
#include <Windows.h>
#include "application.hpp"
#include "exception.hpp"
#include "graph/graph.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;
}
} // namespace
PredefineResources::PredefineResources(graph::GraphManager* graph_manager)
: text_block_selection_brush{CreateSolidBrush(
graph_manager, D2D1::ColorF(D2D1::ColorF::LightSkyBlue))},
text_block_text_brush{
CreateSolidBrush(graph_manager, D2D1::ColorF(D2D1::ColorF::Black))},
text_block_text_format{CreateDefaultTextFormat(graph_manager)},
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))} {}
UiManager* UiManager::GetInstance() {
return Application::GetInstance()->ResolveSingleton<UiManager>(
[](auto) { return new UiManager{}; });
}
UiManager::UiManager()
: predefine_resources_(graph::GraphManager::GetInstance()) {
GetSystemCaretInfo(&caret_info_);
}
} // namespace cru::ui
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