diff options
Diffstat (limited to 'CruUI/ui')
-rw-r--r-- | CruUI/ui/controls/text_block.cpp | 24 | ||||
-rw-r--r-- | CruUI/ui/controls/text_block.h | 24 | ||||
-rw-r--r-- | CruUI/ui/controls/text_box.cpp | 215 | ||||
-rw-r--r-- | CruUI/ui/controls/text_box.h | 73 | ||||
-rw-r--r-- | CruUI/ui/ui_base.h | 13 |
5 files changed, 306 insertions, 43 deletions
diff --git a/CruUI/ui/controls/text_block.cpp b/CruUI/ui/controls/text_block.cpp index 8800fd91..f0ef41d9 100644 --- a/CruUI/ui/controls/text_block.cpp +++ b/CruUI/ui/controls/text_block.cpp @@ -21,8 +21,11 @@ namespace cru const Microsoft::WRL::ComPtr<ID2D1Brush>& init_brush) : Control(false) { text_format_ = init_text_format; + if (init_brush == nullptr) brush_ = CreateSolidBrush(D2D1::ColorF(D2D1::ColorF::Black)); + else + brush_ = init_brush; selection_brush_ = CreateSolidBrush(D2D1::ColorF(D2D1::ColorF::LightSkyBlue)); } @@ -60,7 +63,7 @@ namespace cru void TextBlock::RemoveTextLayoutHandler(const TextLayoutHandlerPtr& handler) { const auto find_result = std::find(text_layout_handlers_.cbegin(), text_layout_handlers_.cend(), - handler); + handler); if (find_result != text_layout_handlers_.cend()) text_layout_handlers_.erase(find_result); } @@ -259,23 +262,6 @@ namespace cru Repaint(); } - void TextBlock::CreateDefaultTextFormat() - { - const auto dwrite_factory = GetDWriteFactory(); - - ThrowIfFailed(dwrite_factory->CreateTextFormat( - L"΅ΘΟί", 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)); - } - void TextBlock::RecreateTextLayout() { if (text_.empty()) @@ -287,7 +273,7 @@ namespace cru const auto dwrite_factory = GetDWriteFactory(); if (text_format_ == nullptr) - CreateDefaultTextFormat(); + text_format_ = graph::CreateDefaultTextFormat(); const auto&& size = GetSize(); diff --git a/CruUI/ui/controls/text_block.h b/CruUI/ui/controls/text_block.h index b05e7ff2..c87ffc51 100644 --- a/CruUI/ui/controls/text_block.h +++ b/CruUI/ui/controls/text_block.h @@ -11,29 +11,6 @@ namespace cru { namespace controls { - struct TextRange - { - TextRange() = default; - TextRange(const int position, const int count) - : position(position), count(count) - { - - } - TextRange(const TextRange& other) = default; - TextRange(TextRange&& other) = default; - TextRange& operator=(const TextRange& other) = default; - TextRange& operator=(TextRange&& other) = default; - ~TextRange() = default; - - unsigned position; - unsigned count; - - explicit operator DWRITE_TEXT_RANGE() const - { - return DWRITE_TEXT_RANGE { position, count }; - } - }; - class TextBlock : public Control { public: @@ -116,7 +93,6 @@ namespace cru private: void OnTextChangedCore(const String& old_text, const String& new_text); - void CreateDefaultTextFormat(); void RecreateTextLayout(); private: diff --git a/CruUI/ui/controls/text_box.cpp b/CruUI/ui/controls/text_box.cpp new file mode 100644 index 00000000..ce834ef6 --- /dev/null +++ b/CruUI/ui/controls/text_box.cpp @@ -0,0 +1,215 @@ +#include "text_box.h" + +#include "graph/graph.h" +#include "exception.h" + +namespace cru::ui::controls +{ + using graph::CreateSolidBrush; + + inline Microsoft::WRL::ComPtr<IDWriteFactory> GetDWriteFactory() + { + return graph::GraphManager::GetInstance()->GetDWriteFactory(); + } + + TextBox::TextBox(const Microsoft::WRL::ComPtr<IDWriteTextFormat>& init_text_format, + const Microsoft::WRL::ComPtr<ID2D1Brush>& init_brush) : Control(false) + { + text_format_ = init_text_format; + + if (init_brush == nullptr) + brush_ = CreateSolidBrush(D2D1::ColorF(D2D1::ColorF::Black)); + else + brush_ = init_brush; + + caret_brush_ = CreateSolidBrush(D2D1::ColorF(D2D1::ColorF::Black)); + + //selection_brush_ = CreateSolidBrush(D2D1::ColorF(D2D1::ColorF::LightSkyBlue)); + } + + TextBox::~TextBox() = default; + + void TextBox::SetText(const String& text) + { + if (text_ != text) + { + const auto old_text = text_; + text_ = text; + OnTextChangedCore(old_text, text); + } + } + + void TextBox::SetBrush(const Microsoft::WRL::ComPtr<ID2D1Brush>& brush) + { + brush_ = brush; + Repaint(); + } + + void TextBox::SetTextFormat(const Microsoft::WRL::ComPtr<IDWriteTextFormat>& text_format) + { + text_format_ = text_format; + RecreateTextLayout(); + Repaint(); + } + + void TextBox::OnSizeChangedCore(events::SizeChangedEventArgs& args) + { + Control::OnSizeChangedCore(args); + text_layout_->SetMaxWidth(args.GetNewSize().width); + text_layout_->SetMaxHeight(args.GetNewSize().height); + Repaint(); + } + + void TextBox::OnDraw(ID2D1DeviceContext* device_context) + { + Control::OnDraw(device_context); + if (text_layout_ != nullptr) + { + //if (selected_range_.has_value()) + //{ + // DWRITE_TEXT_METRICS text_metrics{}; + // ThrowIfFailed(text_layout_->GetMetrics(&text_metrics)); + // const auto metrics_count = text_metrics.lineCount * text_metrics.maxBidiReorderingDepth; + + // Vector<DWRITE_HIT_TEST_METRICS> hit_test_metrics(metrics_count); + // UINT32 actual_count; + // text_layout_->HitTestTextRange( + // selected_range_.value().position, selected_range_.value().count, + // 0, 0, + // hit_test_metrics.data(), metrics_count, &actual_count + // ); + + // hit_test_metrics.erase(hit_test_metrics.cbegin() + actual_count, hit_test_metrics.cend()); + + // for (const auto& metrics : hit_test_metrics) + // { + // device_context->FillRoundedRectangle(D2D1::RoundedRect(D2D1::RectF(metrics.left, metrics.top, metrics.left + metrics.width, metrics.top + metrics.height), 3, 3), selection_brush_.Get()); + // } + //} + device_context->DrawTextLayout(D2D1::Point2F(), text_layout_.Get(), brush_.Get()); + } + } + + std::optional<unsigned> TextLayoutHitTest(IDWriteTextLayout* text_layout, const Point& point, bool test_inside = true) + { + BOOL is_trailing, is_inside; + DWRITE_HIT_TEST_METRICS metrics{}; + text_layout->HitTestPoint(point.x, point.y, &is_trailing, &is_inside, &metrics); + if (!test_inside || is_inside) + return is_trailing == 0 ? metrics.textPosition : metrics.textPosition + 1; + else + return std::nullopt; + } + + void TextBox::OnMouseDownCore(events::MouseButtonEventArgs& args) + { + Control::OnMouseDownCore(args); + if (args.GetMouseButton() == MouseButton::Left) + { + position_ = TextLayoutHitTest(text_layout_.Get(), args.GetPoint(this), false).value(); + + Repaint(); + } + } + + void TextBox::OnGetFocusCore(events::FocusChangeEventArgs& args) + { + Control::OnGetFocusCore(args); + assert(caret_timer_ == nullptr); + caret_timer_ = SetInterval(Application::GetInstance()->GetCaretBlinkDuration(), caret_action_); + } + + void TextBox::OnLoseFocusCore(events::FocusChangeEventArgs& args) + { + Control::OnLoseFocusCore(args); + assert(caret_timer_ != nullptr); + caret_timer_->Cancel(); + } + + Size TextBox::OnMeasure(const Size& available_size) + { + if (text_.empty()) + return Size::Zero(); + + const auto layout_params = GetLayoutParams(); + + if (layout_params->width.mode == MeasureMode::Stretch && layout_params->height.mode == MeasureMode::Stretch) + return available_size; + + auto&& get_measure_length = [](const LayoutSideParams& layout_length, const float available_length) -> float + { + switch (layout_length.mode) + { + case MeasureMode::Exactly: + { + return std::min(layout_length.length, available_length); + } + case MeasureMode::Stretch: + case MeasureMode::Content: + { + return available_length; + } + default: + UnreachableCode(); + } + }; + + const Size measure_size(get_measure_length(layout_params->width, available_size.width), + get_measure_length(layout_params->height, available_size.height)); + + ThrowIfFailed(text_layout_->SetMaxWidth(measure_size.width)); + ThrowIfFailed(text_layout_->SetMaxHeight(measure_size.height)); + + DWRITE_TEXT_METRICS metrics{}; + + ThrowIfFailed(text_layout_->GetMetrics(&metrics)); + + const Size measure_result(metrics.width, metrics.height); + + auto&& calculate_final_length = [](const LayoutSideParams& layout_length, const float measure_length, const float measure_result_length) -> float + { + if ((layout_length.mode == MeasureMode::Stretch || + layout_length.mode == MeasureMode::Exactly) + && measure_result_length < measure_length) + return measure_length; + else + return measure_result_length; + }; + + const Size result_size( + calculate_final_length(layout_params->width, measure_size.width, measure_result.width), + calculate_final_length(layout_params->height, measure_size.height, measure_result.height) + ); + + return result_size; + } + + void TextBox::OnTextChangedCore(const String& old_text, const String& new_text) + { + RecreateTextLayout(); + Repaint(); + } + + void TextBox::RecreateTextLayout() + { + if (text_.empty()) + { + text_layout_ = nullptr; + return; + } + + const auto dwrite_factory = GetDWriteFactory(); + + if (text_format_ == nullptr) + text_format_ = graph::CreateDefaultTextFormat(); + + const auto&& size = GetSize(); + + ThrowIfFailed(dwrite_factory->CreateTextLayout( + text_.c_str(), static_cast<UINT32>(text_.size()), + text_format_.Get(), + size.width, size.height, + &text_layout_ + )); + } +} diff --git a/CruUI/ui/controls/text_box.h b/CruUI/ui/controls/text_box.h new file mode 100644 index 00000000..68235c67 --- /dev/null +++ b/CruUI/ui/controls/text_box.h @@ -0,0 +1,73 @@ +#pragma once + +#include "ui/control.h" +#include "timer.h" + +namespace cru::ui::controls +{ + class TextBox : public Control + { + protected: + explicit TextBox( + const Microsoft::WRL::ComPtr<IDWriteTextFormat>& init_text_format = nullptr, + const Microsoft::WRL::ComPtr<ID2D1Brush>& init_brush = nullptr + ); + public: + TextBox(const TextBox& other) = delete; + TextBox(TextBox&& other) = delete; + TextBox& operator=(const TextBox& other) = delete; + TextBox& operator=(TextBox&& other) = delete; + ~TextBox() override; + + String GetText() const + { + return text_; + } + + void SetText(const String& text); + + Microsoft::WRL::ComPtr<ID2D1Brush> GetBrush() const + { + return brush_; + } + + void SetBrush(const Microsoft::WRL::ComPtr<ID2D1Brush>& brush); + + Microsoft::WRL::ComPtr<IDWriteTextFormat> GetTextFormat() const + { + return text_format_; + } + + void SetTextFormat(const Microsoft::WRL::ComPtr<IDWriteTextFormat>& text_format); + + protected: + void OnSizeChangedCore(events::SizeChangedEventArgs& args) override final; + void OnDraw(ID2D1DeviceContext* device_context) override; + + void OnMouseDownCore(events::MouseButtonEventArgs& args) override final; + + void OnGetFocusCore(events::FocusChangeEventArgs& args) override; + void OnLoseFocusCore(events::FocusChangeEventArgs& args) override final; + + Size OnMeasure(const Size& available_size) override final; + + private: + void OnTextChangedCore(const String& old_text, const String& new_text); + + void RecreateTextLayout(); + + private: + String text_; + + Microsoft::WRL::ComPtr<ID2D1Brush> brush_; + Microsoft::WRL::ComPtr<ID2D1Brush> caret_brush_; + //Microsoft::WRL::ComPtr<ID2D1Brush> selection_brush_; + Microsoft::WRL::ComPtr<IDWriteTextFormat> text_format_; + Microsoft::WRL::ComPtr<IDWriteTextLayout> text_layout_; + + unsigned position_ = 0; + + TimerTask caret_timer_; + ActionPtr caret_action_; + }; +} diff --git a/CruUI/ui/ui_base.h b/CruUI/ui/ui_base.h index c9ae6017..43f3c498 100644 --- a/CruUI/ui/ui_base.h +++ b/CruUI/ui/ui_base.h @@ -137,5 +137,18 @@ namespace cru Right, Middle }; + + struct TextRange + { + constexpr TextRange() = default; + constexpr TextRange(const int position, const int count) + : position(position), count(count) + { + + } + + unsigned position = 0; + unsigned count = 0; + }; } } |