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#include "ui_manager.hpp"
#include <Windows.h>
#include <d2d1.h>
#include <dwrite.h>
#include "application.hpp"
#include "exception.hpp"
#include "graph/graph_manager.hpp"
#include "graph/graph_util.hpp"
#include "util/com_util.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;
}
IDWriteTextFormat* CreateDefaultTextFormat() {
const auto dwrite_factory =
graph::GraphManager::GetInstance()->GetDWriteFactory();
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() {
try {
button_normal_border_brush =
graph::CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::Black));
text_block_selection_brush =
graph::CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::LightSkyBlue));
text_block_text_brush =
graph::CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::Black));
text_block_text_format = CreateDefaultTextFormat();
} catch (...) {
util::SafeRelease(button_normal_border_brush);
util::SafeRelease(text_block_selection_brush);
util::SafeRelease(text_block_text_brush);
util::SafeRelease(text_block_text_format);
}
}
PredefineResources::~PredefineResources() {
util::SafeRelease(button_normal_border_brush);
util::SafeRelease(text_block_selection_brush);
util::SafeRelease(text_block_text_brush);
util::SafeRelease(text_block_text_format);
}
UiManager* UiManager::GetInstance() {
return Application::GetInstance()->ResolveSingleton<UiManager>(
[](auto) { return new UiManager{}; });
}
UiManager::UiManager() : predefine_resources_() {
GetSystemCaretInfo(&caret_info_);
}
} // namespace cru::ui
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