106 lines
2.5 KiB
C++
106 lines
2.5 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include "base/platform/win/base_windows_rpcndr_h.h"
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#include "base/platform/win/base_windows_gdiplus_h.h"
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#include "base/flags.h"
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class QColor;
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namespace Ui {
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class RpWidget;
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namespace Platform {
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class WindowShadow final {
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public:
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WindowShadow(not_null<RpWidget*> window, QColor color);
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~WindowShadow();
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enum class Change {
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Moved = (1 << 0),
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Resized = (1 << 1),
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Activate = (1 << 2),
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Deactivate = (1 << 3),
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Hidden = (1 << 4),
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Shown = (1 << 5),
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};
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friend inline constexpr bool is_flag_type(Change) { return true; };
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using Changes = base::flags<Change>;
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void setColor(QColor color);
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void update(Changes changes, WINDOWPOS *pos = nullptr);
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void updateWindow(int i, POINT *p, SIZE *s = nullptr);
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void setResizeEnabled(bool enabled);
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private:
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enum class Direction {
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Horizontal = (1 << 0),
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Vertical = (1 << 1),
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All = Horizontal | Vertical,
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};
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friend inline constexpr bool is_flag_type(Direction) { return true; };
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using Directions = base::flags<Direction>;
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static LRESULT CALLBACK WindowCallback(
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HWND hwnd,
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UINT msg,
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WPARAM wParam,
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LPARAM lParam);
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LRESULT windowCallback(
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HWND hwnd,
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UINT msg,
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WPARAM wParam,
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LPARAM lParam);
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[[nodiscard]] bool working() const;
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void destroy();
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void init(QColor color);
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void initBlend();
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void initCorners(Directions directions = Direction::All);
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void verCorners(int h, Gdiplus::Graphics *pgraphics1, Gdiplus::Graphics *pgraphics3);
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void horCorners(int w, Gdiplus::Graphics *pgraphics0, Gdiplus::Graphics *pgraphics2);
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[[nodiscard]] Gdiplus::Color getColor(uchar alpha) const;
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[[nodiscard]] Gdiplus::SolidBrush getBrush(uchar alpha) const;
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[[nodiscard]] Gdiplus::Pen getPen(uchar alpha) const;
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const not_null<RpWidget*> _window;
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const HWND _handle;
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int _x = 0;
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int _y = 0;
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int _w = 0;
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int _h = 0;
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int _metaSize = 0;
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int _fullsize = 0;
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int _size = 0;
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int _shift = 0;
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std::vector<BYTE> _alphas;
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std::vector<BYTE> _colors;
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bool _hidden = true;
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bool _resizeEnabled = true;
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HWND _handles[4] = { nullptr };
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HDC _contexts[4] = { nullptr };
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HBITMAP _bitmaps[4] = { nullptr };
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HDC _screenContext = nullptr;
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int _widthMax = 0;
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int _heightMax = 0;
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BLENDFUNCTION _blend;
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BYTE _r = 0;
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BYTE _g = 0;
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BYTE _b = 0;
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COLORREF _noKeyColor = RGB(255, 255, 255);
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};
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} // namespace Platform
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} // namespace Ui
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