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70d7009ad9
While functional, Katayama's show desktop button left much to be desired
in the realm of appearances. This commit brings improvements for it:
- When using the classic theme, the Show Desktop button now appears
more faithful to its Microsoft counterpart, emblazoned with an icon,
and encased in a border only when hovered or pressed.
- With a visual style applied, the button behaves in one of two ways:
- If present, the Show Desktop button now properly uses the relevant
information from the visual style, just like on Windows 7.
- Otherwise, the Show Desktop button uses an icon akin to when the
classic theme is used, but with the button background's appearance
repurposed from the taskbar toolbar buttons, which are guaranteed to
exist in any Windows XP or Vista visual style you can find out there.
ReactOS's own Lautus and Mizu visual styles will be updated in the
following commits to utilize these features, while Lunar and Modern visual
styles left untouched to display Show Desktop button with icon instead.
CORE-15369
77 lines
3.1 KiB
C++
77 lines
3.1 KiB
C++
/*
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* PROJECT: ReactOS Explorer
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* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
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* PURPOSE: Show Desktop tray button header file
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* COPYRIGHT: Copyright 2006-2007 Thomas Weidenmueller <w3seek@reactos.org>
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* Copyright 2018-2022 Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
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* Copyright 2023 Ethan Rodensky <splitwirez@gmail.com>
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*/
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#pragma once
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// This window class name is CONFIRMED on Win10 by WinHier.
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static const WCHAR szTrayShowDesktopButton[] = L"TrayShowDesktopButtonWClass";
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#define TSDB_CLICK (WM_USER + 100)
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// The 'Show Desktop' button at the end of the taskbar
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class CTrayShowDesktopButton :
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public CWindowImpl<CTrayShowDesktopButton, CWindow, CControlWinTraits>
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{
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LONG m_nClickedTime;
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HTHEME m_hTheme;
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HTHEME m_hFallbackTheme;
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MARGINS m_ContentMargins;
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SIZE m_inset;
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HICON m_icon;
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SIZE m_szIcon;
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BOOL m_highContrastMode;
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BOOL m_drawWithDedicatedBackground;
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BOOL m_bHovering;
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HWND m_hWndTaskbar;
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public:
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BOOL m_bPressed;
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BOOL m_bHorizontal;
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DECLARE_WND_CLASS_EX(szTrayShowDesktopButton, CS_HREDRAW | CS_VREDRAW, COLOR_3DFACE)
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BEGIN_MSG_MAP(CTrayShowDesktopButton)
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MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
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MESSAGE_HANDLER(WM_NCLBUTTONDOWN, OnLButtonDown)
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MESSAGE_HANDLER(WM_LBUTTONUP, OnLButtonUp)
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MESSAGE_HANDLER(WM_NCLBUTTONUP, OnLButtonUp)
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MESSAGE_HANDLER(WM_SETTINGCHANGE, OnSettingChanged)
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MESSAGE_HANDLER(WM_THEMECHANGED, OnThemeChanged)
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MESSAGE_HANDLER(WM_WINDOWPOSCHANGED, OnWindowPosChanged)
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MESSAGE_HANDLER(WM_PAINT, OnPaint)
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MESSAGE_HANDLER(WM_PRINTCLIENT, OnPrintClient)
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MESSAGE_HANDLER(WM_TIMER, OnTimer)
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MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
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MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
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MESSAGE_HANDLER(TSDB_CLICK, OnClick)
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END_MSG_MAP()
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CTrayShowDesktopButton();
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INT WidthOrHeight() const;
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HRESULT DoCreate(HWND hwndParent);
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VOID Click();
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BOOL PtInButton(LPPOINT pt) const;
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VOID StartHovering();
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LRESULT OnLButtonUp(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnLButtonDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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private:
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// This function is called from OnPaint and parent.
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VOID OnDraw(HDC hdc, LPRECT prc);
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LRESULT OnClick(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnSettingChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnThemeChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnWindowPosChanged(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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VOID EnsureWindowTheme(BOOL setTheme);
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LRESULT OnPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnPrintClient(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnMouseMove(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnTimer(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
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};
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