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authorcrupest <crupest@outlook.com>2019-03-20 19:26:55 +0800
committercrupest <crupest@outlook.com>2019-03-20 19:26:55 +0800
commit616ebd78b543876388cb3d64f108abea041d4983 (patch)
tree8cae90f29695a3bd534b3ae5e32218d79719ba91 /src/ui/controls/scroll_control.hpp
parentd518396a7fcdb2add413a9a37bb34515ff4f4cc4 (diff)
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Diffstat (limited to 'src/ui/controls/scroll_control.hpp')
-rw-r--r--src/ui/controls/scroll_control.hpp152
1 files changed, 0 insertions, 152 deletions
diff --git a/src/ui/controls/scroll_control.hpp b/src/ui/controls/scroll_control.hpp
deleted file mode 100644
index 84ebca30..00000000
--- a/src/ui/controls/scroll_control.hpp
+++ /dev/null
@@ -1,152 +0,0 @@
-#pragma once
-
-// ReSharper disable once CppUnusedIncludeDirective
-#include "pre.hpp"
-
-#include <optional>
-#include <initializer_list>
-
-#include "ui/control.hpp"
-
-namespace cru::ui::controls
-{
- // Done: OnMeasureContent
- // Done: OnLayoutContent
- // Done: HitTest(no need)
- // Done: Draw(no need)
- // Done: API
- // Done: ScrollBar
- // Done: MouseEvent
- class ScrollControl : public ContentControl
- {
- private:
- struct ScrollBarInfo
- {
- Rect border = Rect();
- Rect bar = Rect();
- };
-
- enum class Orientation
- {
- Horizontal,
- Vertical
- };
-
- public:
- enum class ScrollBarVisibility
- {
- None,
- Auto,
- Always
- };
-
- static ScrollControl* Create(Control* child = nullptr)
- {
- const auto control = new ScrollControl(true);
- control->SetChild(child);
- return control;
- }
-
- static constexpr auto control_type = L"ScrollControl";
-
- protected:
- explicit ScrollControl(bool container);
- public:
- ScrollControl(const ScrollControl& other) = delete;
- ScrollControl(ScrollControl&& other) = delete;
- ScrollControl& operator=(const ScrollControl& other) = delete;
- ScrollControl& operator=(ScrollControl&& other) = delete;
- ~ScrollControl() override;
-
- StringView GetControlType() const override final;
-
- bool IsHorizontalScrollEnabled() const
- {
- return horizontal_scroll_enabled_;
- }
-
- void SetHorizontalScrollEnabled(bool enable);
-
- bool IsVerticalScrollEnabled() const
- {
- return vertical_scroll_enabled_;
- }
-
- void SetVerticalScrollEnabled(bool enable);
-
-
- ScrollBarVisibility GetHorizontalScrollBarVisibility() const
- {
- return horizontal_scroll_bar_visibility_;
- }
-
- void SetHorizontalScrollBarVisibility(ScrollBarVisibility visibility);
-
- ScrollBarVisibility GetVerticalScrollBarVisibility() const
- {
- return vertical_scroll_bar_visibility_;
- }
-
- void SetVerticalScrollBarVisibility(ScrollBarVisibility visibility);
-
- float GetViewWidth() const
- {
- return view_width_;
- }
-
- float GetViewHeight() const
- {
- return view_height_;
- }
-
- float GetScrollOffsetX() const
- {
- return offset_x_;
- }
-
- float GetScrollOffsetY() const
- {
- return offset_y_;
- }
-
- // nullopt for not set. value is auto-coerced.
- void SetScrollOffset(std::optional<float> x, std::optional<float> y);
-
- protected:
- void SetViewWidth(float length);
- void SetViewHeight(float length);
-
- Size OnMeasureContent(const Size& available_size, const AdditionalMeasureInfo& additional_info) override final;
- void OnLayoutContent(const Rect& rect, const AdditionalLayoutInfo& additional_info) override final;
-
- void OnRectChange(const Rect& old_rect, const Rect& new_rect) override;
-
- private:
- void CoerceAndSetOffsets(float offset_x, float offset_y, bool update_children = true);
- void UpdateScrollBarVisibility();
- void UpdateScrollBarBorderInfo();
- void UpdateScrollBarBarInfo();
-
- private:
- bool horizontal_scroll_enabled_ = true;
- bool vertical_scroll_enabled_ = true;
-
- ScrollBarVisibility horizontal_scroll_bar_visibility_ = ScrollBarVisibility::Auto;
- ScrollBarVisibility vertical_scroll_bar_visibility_ = ScrollBarVisibility::Auto;
-
- bool is_horizontal_scroll_bar_visible_ = false;
- bool is_vertical_scroll_bar_visible_ = false;
-
- float offset_x_ = 0.0f;
- float offset_y_ = 0.0f;
-
- float view_width_ = 0.0f;
- float view_height_ = 0.0f;
-
- ScrollBarInfo horizontal_bar_info_;
- ScrollBarInfo vertical_bar_info_;
-
- std::optional<Orientation> is_pressing_scroll_bar_ = std::nullopt;
- float pressing_delta_ = 0.0f;
- };
-}