62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
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#ifndef FLUTTER_PLUGIN_WINDOW_STYLE_H_
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#define FLUTTER_PLUGIN_WINDOW_STYLE_H_
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#include <windows.h>
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#include <cstdint>
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#include <optional>
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#include <string>
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namespace window {
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enum class TitleBarStyle {
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kNormal,
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kHidden,
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};
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enum class Effect {
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kNone,
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kTransparent,
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kBlur,
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kAcrylic,
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kMica,
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};
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std::optional<TitleBarStyle> ParseTitleBarStyle(const std::string& value);
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std::optional<Effect> ParseEffect(const std::string& value);
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int WindowsBuildNumber();
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bool IsWindows11OrGreater();
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bool IsEffectSupported(Effect effect);
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// Reapplied as a whole by Apply() on every change, so settings never fight.
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struct WindowStyle {
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TitleBarStyle title_bar_style = TitleBarStyle::kNormal;
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bool window_button_visibility = true;
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std::optional<bool> rounded_corners;
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Effect effect = Effect::kNone;
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uint32_t effect_tint = 0; // ARGB.
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std::optional<bool> dark_mode;
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void SetTitleBarStyle(TitleBarStyle style, bool button_visibility,
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HWND hwnd);
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void SetRoundedCorners(bool value, HWND hwnd);
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void SetEffect(Effect value, uint32_t tint, std::optional<bool> dark,
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HWND hwnd);
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// Only place calling the Dwm*/SetWindowCompositionAttribute APIs.
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void Apply(HWND hwnd) const;
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// Rows the controller keeps clear above the view and paints transparent.
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// Windows 10 draws the top border only inside a frame extended over the
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// whole caption (a shorter non-client strip makes DWM draw the caption), so
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// Apply() extends it there; Windows 11 draws the border into the 1 px
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// non-client strip WM_NCCALCSIZE leaves. Zero while an accent effect is on,
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// maximized or full screen.
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int TopBorderHeight(HWND hwnd) const;
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};
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} // namespace window
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#endif // FLUTTER_PLUGIN_WINDOW_STYLE_H_
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