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path: root/src/ui/controls/text_box.cpp
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Diffstat (limited to 'src/ui/controls/text_box.cpp')
-rw-r--r--src/ui/controls/text_box.cpp209
1 files changed, 52 insertions, 157 deletions
diff --git a/src/ui/controls/text_box.cpp b/src/ui/controls/text_box.cpp
index a8d78398..4a4114ab 100644
--- a/src/ui/controls/text_box.cpp
+++ b/src/ui/controls/text_box.cpp
@@ -15,13 +15,9 @@ namespace cru::ui::controls
}
TextBox::TextBox(const Microsoft::WRL::ComPtr<IDWriteTextFormat>& init_text_format,
- const Microsoft::WRL::ComPtr<ID2D1Brush>& init_brush) : Control(false)
+ const Microsoft::WRL::ComPtr<ID2D1Brush>& init_brush) : TextControl(init_text_format, init_brush)
{
- text_format_ = init_text_format == nullptr ? graph::CreateDefaultTextFormat() : init_text_format;
-
- RecreateTextLayout();
-
- brush_ = init_brush == nullptr ? CreateSolidBrush(D2D1::ColorF(D2D1::ColorF::Black)) : init_brush;
+ SetSelectable(true);
caret_brush_ = CreateSolidBrush(D2D1::ColorF(D2D1::ColorF::Black));
@@ -30,88 +26,26 @@ namespace cru::ui::controls
is_caret_show_ = !is_caret_show_;
Repaint();
});
-
- //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)
+ TextControl::OnDraw(device_context);
+ if (is_caret_show_)
{
- device_context->DrawTextLayout(D2D1::Point2F(), text_layout_.Get(), brush_.Get());
- if (is_caret_show_)
- {
- const auto caret_half_width = Application::GetInstance()->GetCaretInfo().half_caret_width;
- FLOAT x, y;
- DWRITE_HIT_TEST_METRICS metrics{};
- ThrowIfFailed(text_layout_->HitTestTextPosition(position_, FALSE, &x, &y, &metrics));
- device_context->FillRectangle(D2D1::RectF(metrics.left - caret_half_width, metrics.top, metrics.left + caret_half_width, metrics.top + metrics.height), caret_brush_.Get());
- }
- }
- }
-
- namespace
- {
- std::optional<unsigned> TextLayoutHitTest(IDWriteTextLayout* text_layout, const Point& point, bool test_inside = true)
- {
- BOOL is_trailing, is_inside;
+ const auto caret_half_width = Application::GetInstance()->GetCaretInfo().half_caret_width;
+ FLOAT x, y;
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();
+ ThrowIfFailed(text_layout_->HitTestTextPosition(caret_position_, FALSE, &x, &y, &metrics));
+ device_context->FillRectangle(D2D1::RectF(metrics.left - caret_half_width, metrics.top, metrics.left + caret_half_width, metrics.top + metrics.height), caret_brush_.Get());
}
}
void TextBox::OnGetFocusCore(events::FocusChangeEventArgs& args)
{
- Control::OnGetFocusCore(args);
+ TextControl::OnGetFocusCore(args);
assert(caret_timer_ == nullptr);
is_caret_show_ = true;
caret_timer_ = SetInterval(Application::GetInstance()->GetCaretInfo().caret_blink_duration, caret_action_);
@@ -122,21 +56,24 @@ namespace cru::ui::controls
Control::OnLoseFocusCore(args);
assert(caret_timer_ != nullptr);
caret_timer_->Cancel();
+ caret_timer_ = nullptr;
is_caret_show_ = false;
}
void TextBox::OnKeyDownCore(events::KeyEventArgs& args)
{
Control::OnKeyDownCore(args);
- if (args.GetVirtualCode() == VK_LEFT && position_ > 0)
+ if (args.GetVirtualCode() == VK_LEFT && caret_position_ > 0)
{
- position_--;
+ ClearSelection();
+ caret_position_--;
Repaint();
}
- if (args.GetVirtualCode() == VK_RIGHT && position_ < GetText().size())
+ if (args.GetVirtualCode() == VK_RIGHT && caret_position_ < GetText().size())
{
- position_++;
+ ClearSelection();
+ caret_position_++;
Repaint();
}
}
@@ -146,99 +83,57 @@ namespace cru::ui::controls
Control::OnCharCore(args);
if (args.GetChar() == L'\b')
{
- auto text = GetText();
- if (!text.empty() && position_ > 0)
+ if (GetSelectedRange().has_value())
{
- const auto position = --position_;
- text.erase(position);
+ const auto selection_range = GetSelectedRange().value();
+ auto text = GetText();
+ text.erase(text.cbegin() + selection_range.position, text.cbegin() + selection_range.position + selection_range.count);
SetText(text);
+ caret_position_ = selection_range.position;
+ ClearSelection();
+ }
+ else
+ {
+ if (caret_position_ > 0)
+ {
+ auto text = GetText();
+ if (!text.empty())
+ {
+ const auto position = --caret_position_;
+ text.erase(text.cbegin() + position);
+ SetText(text);
+ }
+ }
}
return;
}
if (std::iswprint(args.GetChar()))
{
- const auto position = position_++;
- auto text = GetText();
- text.insert(text.cbegin() + position, { args.GetChar() });
- SetText(text);
- }
- }
-
- Size TextBox::OnMeasure(const Size& available_size)
- {
- 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)
+ if (GetSelectedRange().has_value())
{
- case MeasureMode::Exactly:
- {
- return std::min(layout_length.length, available_length);
+ const auto selection_range = GetSelectedRange().value();
+ auto text = GetText();
+ text.erase(selection_range.position, selection_range.count);
+ text.insert(text.cbegin() + selection_range.position, args.GetChar());
+ SetText(text);
+ caret_position_ = selection_range.position + 1;
+ ClearSelection();
}
- case MeasureMode::Stretch:
- case MeasureMode::Content:
+ else
{
- return available_length;
- }
- default:
- UnreachableCode();
+ ClearSelection();
+ const auto position = caret_position_++;
+ auto text = GetText();
+ text.insert(text.cbegin() + position, { args.GetChar() });
+ SetText(text);
}
- };
-
- 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)
+ void TextBox::RequestChangeCaretPosition(const unsigned position)
{
- RecreateTextLayout();
+ caret_position_ = position;
Repaint();
}
-
- void TextBox::RecreateTextLayout()
- {
- assert(text_format_ != nullptr);
-
- const auto dwrite_factory = GetDWriteFactory();
-
- 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_
- ));
- }
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-29 19:54:07 +0000