fanlusky
d16f9f3fea
Adopt an existing HWND, render through D3D11/DXGI/DirectComposition, and extend CandidateList with horizontal layout, skin colors, click-to-commit, and a D2D context menu. Preedit TextBlock draws a caret in a fixed insert slot so neighboring glyphs reflow instead of using letter-spacing; the default end caret sits slightly after the last character.
83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
#pragma once
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#include "DeviceResources.h"
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#include "Scene.h"
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#include <memory>
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#include <string>
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namespace msimeui
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{
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enum class WindowInitialPlacement
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{
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Center,
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BottomCenter,
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};
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class Window
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{
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public:
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Window(std::wstring className, std::wstring title, int width, int height);
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~Window();
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bool Create();
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bool AdoptExistingHwnd(HWND hwnd);
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LRESULT DispatchImportedMessage(UINT message, WPARAM wParam, LPARAM lParam);
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void SetStealFocusOnClick(bool enabled);
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int Run(int nCmdShow);
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HWND GetHandle() const;
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HINSTANCE GetInstance() const;
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Scene *GetScene() const;
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DeviceResources &GetDeviceResources();
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float GetDpi() const;
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PointF ClientPixelsToDips(const POINT &point) const;
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SizeF ClientPixelsToDips(const SIZE &size) const;
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RECT DipsToClientPixels(const RectF &rect) const;
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void Invalidate();
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void Invalidate(const RectF &rect);
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void InvalidateMeasure();
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void InvalidateMeasure(Visual *source);
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void InvalidateArrange();
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void InvalidateArrange(Visual *source);
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void Relayout();
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void FocusVisual(Visual *visual);
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void SetWindowStyle(DWORD style, DWORD extendedStyle = 0);
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void SetDragRegionHeight(float height);
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void SetRoundedCorners(bool enabled);
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void SetInitialPlacement(WindowInitialPlacement placement, int bottomMargin = 12);
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void SetScene(std::unique_ptr<Scene> scene);
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private:
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static LRESULT CALLBACK WindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
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LRESULT HandleMessage(UINT message, WPARAM wParam, LPARAM lParam);
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void OnPaint();
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void OnSize();
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bool OnMouseWheel(WPARAM wParam, LPARAM lParam);
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void SetFocusedVisual(Visual *visual);
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bool UpdateCursorForClientPoint(const POINT &point);
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std::wstring className_;
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std::wstring title_;
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int width_ = 0;
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int height_ = 0;
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HINSTANCE instance_ = nullptr;
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HWND hwnd_ = nullptr;
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DeviceResources deviceResources_;
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std::unique_ptr<Scene> scene_;
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Visual *focusedVisual_ = nullptr;
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Visual *hoveredVisual_ = nullptr;
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Visual *capturedVisual_ = nullptr;
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bool mouseLeaveTracking_ = false;
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DWORD windowStyle_ = WS_OVERLAPPEDWINDOW;
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DWORD extendedWindowStyle_ = 0;
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float dragRegionHeight_ = 0.0f;
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bool roundedCorners_ = false;
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WindowInitialPlacement initialPlacement_ = WindowInitialPlacement::Center;
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int initialBottomMargin_ = 12;
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bool stealFocusOnClick_ = true;
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bool adoptedHwnd_ = false;
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};
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} // namespace msimeui
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