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Merge pull request #385 from raisingthefloor/christopher/refactor-tra…
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…ybutton

Refactor TrayButton code
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@christopher-rtf
christopher-rtf authored Mar 24, 2024
2 parents f14746f + a7fcb22 commit 245aa99
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481 changes: 256 additions & 225 deletions Morphic.Controls/HybridTrayIcon.cs
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4 changes: 2 additions & 2 deletions Morphic.Controls/NativeMethods.txt
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Expand Up @@ -13,8 +13,8 @@ DestroyWindow
EndBufferedPaint
EndPaint
FillRect
FindWindowW
FindWindowExW
FindWindow
FindWindowEx
GetDC
GetDesktopWindow
GetWindow
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335 changes: 296 additions & 39 deletions Morphic.Controls/PInvokeExtensions.cs
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@@ -1,4 +1,4 @@
// Copyright 2020-2023 Raising the Floor - US, Inc.
// Copyright 2020-2024 Raising the Floor - US, Inc.
//
// Licensed under the New BSD license. You may not use this file except in
// compliance with this License.
Expand All @@ -23,47 +23,304 @@

using System;
using System.Runtime.InteropServices;
using System.Text;

namespace Morphic.Controls;

internal class PInvokeExtensions
{
#region winuser

internal static IntPtr GetWindowLongPtr_IntPtr(Windows.Win32.Foundation.HWND hWnd, Windows.Win32.UI.WindowsAndMessaging.WINDOW_LONG_PTR_INDEX nIndex)
{
if (IntPtr.Size == 4)
{
return (nint)Windows.Win32.PInvoke.GetWindowLong(hWnd, nIndex);
}
else
{
return PInvokeExtensions.GetWindowLongPtr(hWnd.Value, nIndex);
}
}

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getwindowlongptrw
[DllImport("user32.dll", SetLastError = true)]
private static extern IntPtr GetWindowLongPtr(IntPtr hWnd, Windows.Win32.UI.WindowsAndMessaging.WINDOW_LONG_PTR_INDEX nIndex);

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-redrawwindow
[DllImport("user32.dll")]
internal static extern bool RedrawWindow(IntPtr hWnd, IntPtr lprcUpdate, IntPtr hrgnUpdate, Windows.Win32.Graphics.Gdi.REDRAW_WINDOW_FLAGS flags);

internal static IntPtr SetWindowLongPtr_IntPtr(Windows.Win32.Foundation.HWND hWnd, Windows.Win32.UI.WindowsAndMessaging.WINDOW_LONG_PTR_INDEX nIndex, IntPtr dwNewLong)
{
if (IntPtr.Size == 4)
{
return (nint)Windows.Win32.PInvoke.SetWindowLong(hWnd, nIndex, (int)dwNewLong);
}
else
{
return PInvokeExtensions.SetWindowLongPtr(hWnd, nIndex, dwNewLong);
}
}

[DllImport("user32.dll", SetLastError = true)]
private static extern IntPtr SetWindowLongPtr(IntPtr hWnd, Windows.Win32.UI.WindowsAndMessaging.WINDOW_LONG_PTR_INDEX nIndex, IntPtr dwNewLong);

#endregion winuser
#region commctrl

internal const string TOOLTIPS_CLASS = "tooltips_class32";
//
internal const byte TTS_ALWAYSTIP = 0x01;
//internal const byte TTS_NOPREFIX = 0x02;
//internal const byte TTS_BALLOON = 0x40;
internal const ushort TTF_SUBCLASS = 0x0010;
//
internal const ushort TTM_ADDTOOL = WM_USER + 50;
internal const ushort TTM_DELTOOL = WM_USER + 51;

//

// https://learn.microsoft.com/en-us/windows/win32/api/commctrl/ns-commctrl-tttoolinfow
#pragma warning disable CS0649 // NOTE: hinst and lParam may never be written to (and will remain as IntPtr.Zero) in this implementation
internal struct TOOLINFO
{
public uint cbSize;
public uint uFlags;
public IntPtr hwnd;
public UIntPtr uId;
public PInvoke.RECT rect;
public IntPtr hinst;
[MarshalAs(UnmanagedType.LPTStr)]
public string? lpszText;
public IntPtr lParam;
//public IntPtr reserved; // NOTE: this exists in the official declaration as a void pointer but adding it causes SendMessage to fail; pinvoke.net leaves it out and so do we
}
#pragma warning restore CS0649 // NOTE: hinst and lParam may never be written to (and will remain as IntPtr.Zero) in this implementation

#endregion commctrl

#region winuser

internal const int CW_USEDEFAULT = unchecked((int)0x80000000);

internal const ushort MK_LBUTTON = 0x0001;
internal const ushort MK_RBUTTON = 0x0002;

internal const ushort WM_USER = 0x0400;

//

internal static readonly uint HOVER_DEFAULT = 0xFFFFFFFF;

//

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/ns-winuser-trackmouseevent
[Flags]
internal enum TRACKMOUSEEVENTFlags : uint
{
TME_CANCEL = 0x80000000,
TME_HOVER = 0x00000001,
TME_LEAVE = 0x00000002,
TME_NONCLIENT = 0x00000010,
TME_QUERY = 0x40000000
}

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setwineventhook
[Flags]
internal enum WinEventHookFlags : uint
{
WINEVENT_OUTOFCONTEXT = 0x0000, // Events are ASYNC
WINEVENT_SKIPOWNTHREAD = 0x0001, // Don't call back for events on installer's thread
WINEVENT_SKIPOWNPROCESS = 0x0002, // Don't call back for events on installer's process
WINEVENT_INCONTEXT = 0x0004, // Events are SYNC, this causes your dll to be injected into every process
}

// https://learn.microsoft.com/en-us/windows/win32/winauto/event-constants
public enum WinEventHookType : uint
{
EVENT_AIA_START = 0xA000,
EVENT_AIA_END = 0xAFFF,
EVENT_MIN = 0x00000001,
EVENT_MAX = 0x7FFFFFFF,
EVENT_OBJECT_ACCELERATORCHANGE = 0x8012,
EVENT_OBJECT_CLOAKED = 0x8017,
EVENT_OBJECT_CONTENTSCROLLED = 0x8015,
EVENT_OBJECT_CREATE = 0x8000,
EVENT_OBJECT_DEFACTIONCHANGE = 0x8011,
EVENT_OBJECT_DESCRIPTIONCHANGE = 0x800D,
EVENT_OBJECT_DESTROY = 0x8001,
EVENT_OBJECT_DRAGSTART = 0x8021,
EVENT_OBJECT_DRAGCANCEL = 0x8022,
EVENT_OBJECT_DRAGCOMPLETE = 0x8023,
EVENT_OBJECT_DRAGENTER = 0x8024,
EVENT_OBJECT_DRAGLEAVE = 0x8025,
EVENT_OBJECT_DRAGDROPPED = 0x8026,
EVENT_OBJECT_END = 0x80FF,
EVENT_OBJECT_FOCUS = 0x8005,
EVENT_OBJECT_HELPCHANGE = 0x8010,
EVENT_OBJECT_HIDE = 0x8003,
EVENT_OBJECT_HOSTEDOBJECTSINVALIDATED = 0x8020,
EVENT_OBJECT_IME_HIDE = 0x8028,
EVENT_OBJECT_IME_SHOW = 0x8027,
EVENT_OBJECT_IME_CHANGE = 0x8029,
EVENT_OBJECT_INVOKED = 0x8013,
EVENT_OBJECT_LIVEREGIONCHANGED = 0x8019,
EVENT_OBJECT_LOCATIONCHANGE = 0x800B,
EVENT_OBJECT_NAMECHANGE = 0x800C,
EVENT_OBJECT_PARENTCHANGE = 0x800F,
EVENT_OBJECT_REORDER = 0x8004,
EVENT_OBJECT_SELECTION = 0x8006,
EVENT_OBJECT_SELECTIONADD = 0x8007,
EVENT_OBJECT_SELECTIONREMOVE = 0x8008,
EVENT_OBJECT_SELECTIONWITHIN = 0x8009,
EVENT_OBJECT_SHOW = 0x8002,
EVENT_OBJECT_STATECHANGE = 0x800A,
EVENT_OBJECT_TEXTEDIT_CONVERSIONTARGETCHANGED = 0x8030,
EVENT_OBJECT_TEXTSELECTIONCHANGED = 0x8014,
EVENT_OBJECT_UNCLOAKED = 0x8018,
EVENT_OBJECT_VALUECHANGE = 0x800E,
EVENT_OEM_DEFINED_START = 0x0101,
EVENT_OEM_DEFINED_END = 0x01FF,
EVENT_SYSTEM_ALERT = 0x0002,
EVENT_SYSTEM_ARRANGMENTPREVIEW = 0x8016,
EVENT_SYSTEM_CAPTUREEND = 0x0009,
EVENT_SYSTEM_CAPTURESTART = 0x0008,
EVENT_SYSTEM_CONTEXTHELPEND = 0x000D,
EVENT_SYSTEM_CONTEXTHELPSTART = 0x000C,
EVENT_SYSTEM_DESKTOPSWITCH = 0x0020,
EVENT_SYSTEM_DIALOGEND = 0x0011,
EVENT_SYSTEM_DIALOGSTART = 0x0010,
EVENT_SYSTEM_DRAGDROPEND = 0x000F,
EVENT_SYSTEM_DRAGDROPSTART = 0x000E,
EVENT_SYSTEM_END = 0x00FF,
EVENT_SYSTEM_FOREGROUND = 0x0003,
EVENT_SYSTEM_MENUPOPUPEND = 0x0007,
EVENT_SYSTEM_MENUPOPUPSTART = 0x0006,
EVENT_SYSTEM_MENUEND = 0x0005,
EVENT_SYSTEM_MENUSTART = 0x0004,
EVENT_SYSTEM_MINIMIZEEND = 0x0017,
EVENT_SYSTEM_MINIMIZESTART = 0x0016,
EVENT_SYSTEM_MOVESIZEEND = 0x000B,
EVENT_SYSTEM_MOVESIZESTART = 0x000A,
EVENT_SYSTEM_SCROLLINGEND = 0x0013,
EVENT_SYSTEM_SCROLLINGSTART = 0x0012,
EVENT_SYSTEM_SOUND = 0x0001,
EVENT_SYSTEM_SWITCHEND = 0x0015,
EVENT_SYSTEM_SWITCHSTART = 0x0014,
EVENT_UIA_EVENTID_START = 0x4E00,
EVENT_UIA_EVENTID_END = 0x4EFF,
EVENT_UIA_PROPID_START = 0x7500,
EVENT_UIA_PROPID_END = 0x75FF
}

//

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/ns-winuser-trackmouseevent
[StructLayout(LayoutKind.Sequential)]
internal struct TRACKMOUSEEVENT
{
public uint cbSize;
public TRACKMOUSEEVENTFlags dwFlags;
public IntPtr hWnd;
public uint dwHoverTime;

public static TRACKMOUSEEVENT CreateNew(TRACKMOUSEEVENTFlags dwFlags, IntPtr hWnd, uint dwHoverTime)
{
var result = new TRACKMOUSEEVENT()
{
cbSize = (uint)Marshal.SizeOf(typeof(TRACKMOUSEEVENT)),
dwFlags = dwFlags,
hWnd = hWnd,
dwHoverTime = dwHoverTime
};
return result;
}
}

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/ns-winuser-wndclassexw
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct WNDCLASSEX
{
public uint cbSize;
public uint style;
public IntPtr lpfnWndProc;
public int cbClsExtra;
public int cbWndExtra;
public IntPtr hInstance;
public IntPtr hIcon;
public IntPtr hCursor;
public IntPtr hbrBackground;
public string? lpszMenuName;
public string? lpszClassName; // NOTE: this member should be initialized (i.e. non-null)
public IntPtr hIconSm;

public static WNDCLASSEX CreateNew()
{
var result = new WNDCLASSEX()
{
cbSize = (uint)Marshal.SizeOf(typeof(WNDCLASSEX))
};
return result;
}
}

//

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nc-winuser-wineventproc
internal delegate void WinEventProc(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint idEventThread, uint dwmsEventTime);

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nc-winuser-wndproc
internal delegate IntPtr WndProc(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam);

//

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-createwindowexw
[DllImport("user32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
internal static extern IntPtr CreateWindowEx(
PInvoke.User32.WindowStylesEx dwExStyle,
IntPtr lpClassName,
string? lpWindowName,
PInvoke.User32.WindowStyles dwStyle,
int x,
int y,
int nWidth,
int nHeight,
IntPtr hWndParent,
IntPtr hMenu,
IntPtr hInstance,
IntPtr lpParam
);

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getclassnamew
[DllImport("user32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
internal static extern int GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount);

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getwindowlongptrw
internal static IntPtr GetWindowLongPtr_IntPtr(Windows.Win32.Foundation.HWND hWnd, Windows.Win32.UI.WindowsAndMessaging.WINDOW_LONG_PTR_INDEX nIndex)
{
if (IntPtr.Size == 4)
{
return (nint)Windows.Win32.PInvoke.GetWindowLong(hWnd, nIndex);
}
else
{
return PInvokeExtensions.GetWindowLongPtr(hWnd.Value, nIndex);
}
}
//
// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getwindowlongptrw
[DllImport("user32.dll", SetLastError = true)]
private static extern IntPtr GetWindowLongPtr(IntPtr hWnd, Windows.Win32.UI.WindowsAndMessaging.WINDOW_LONG_PTR_INDEX nIndex);

// see: https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-mapwindowpoints
// NOTE: this signature is the POINT option (in which cPoints must always be set to 1).
[DllImport("user32.dll", SetLastError = true)]
internal static extern int MapWindowPoints(IntPtr hWndFrom, IntPtr hWndTo, ref PInvoke.POINT lpPoints, uint cPoints);
//
// see: https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-mapwindowpoints
// NOTE: this signature is the RECT option (in which cPoints must always be set to 2).
[DllImport("user32.dll", SetLastError = true)]
internal static extern int MapWindowPoints(IntPtr hWndFrom, IntPtr hWndTo, ref PInvoke.RECT lpPoints, uint cPoints);

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-redrawwindow
[DllImport("user32.dll")]
internal static extern bool RedrawWindow(IntPtr hWnd, IntPtr lprcUpdate, IntPtr hrgnUpdate, Windows.Win32.Graphics.Gdi.REDRAW_WINDOW_FLAGS flags);

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-registerclassexw
[DllImport("user32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
internal static extern ushort RegisterClassEx([In] ref WNDCLASSEX lpWndClass);

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setwindowlongptrw
internal static IntPtr SetWindowLongPtr_IntPtr(Windows.Win32.Foundation.HWND hWnd, Windows.Win32.UI.WindowsAndMessaging.WINDOW_LONG_PTR_INDEX nIndex, IntPtr dwNewLong)
{
if (IntPtr.Size == 4)
{
return (nint)Windows.Win32.PInvoke.SetWindowLong(hWnd, nIndex, (int)dwNewLong);
}
else
{
return PInvokeExtensions.SetWindowLongPtr(hWnd, nIndex, dwNewLong);
}
}
//
// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setwindowlongptrw
[DllImport("user32.dll", SetLastError = true)]
private static extern IntPtr SetWindowLongPtr(IntPtr hWnd, Windows.Win32.UI.WindowsAndMessaging.WINDOW_LONG_PTR_INDEX nIndex, IntPtr dwNewLong);

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setwineventhook
[DllImport("user32.dll")]
internal static extern IntPtr SetWinEventHook(WinEventHookType eventMin, WinEventHookType eventMax, IntPtr hmodWinEventProc, WinEventProc lpfnWinEventProc, uint idProcess, uint idThread, WinEventHookFlags dwFlags);

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-trackmouseevent
[DllImport("user32.dll", SetLastError = true)]
internal static extern bool TrackMouseEvent(ref TRACKMOUSEEVENT lpEventTrack);

// https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-unhookwinevent
[DllImport("user32.dll")]
internal static extern bool UnhookWinEvent(IntPtr hWinEventHook);

#endregion winuser
}
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