mirror of
https://github.com/goatcorp/Dalamud.git
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Use hInstance of Dalamud for RegisterClassExW
This commit is contained in:
Soreepeong
parent
0ce4f6d598
commit
7705aa800b
1 changed files with 77 additions and 70 deletions
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@ -1,19 +1,18 @@
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Diagnostics.CodeAnalysis;
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using System.Linq;
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using System.Numerics;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Text;
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using Dalamud.Bindings.ImGui;
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using Dalamud.Memory;
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using Serilog;
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using TerraFX.Interop.Windows;
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using static Dalamud.Interface.ImGuiBackend.Helpers.ImGuiViewportHelpers;
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using static TerraFX.Interop.Windows.Windows;
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using ERROR = TerraFX.Interop.Windows.ERROR;
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@ -585,51 +584,50 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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private struct ViewportHandler : IDisposable
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{
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[SuppressMessage("ReSharper", "CollectionNeverQueried.Local", Justification = "Keeping references alive")]
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private readonly List<object> delegateReferences = new();
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private static readonly string WindowClassName = typeof(ViewportHandler).FullName!;
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private Win32InputHandler input;
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private nint classNamePtr;
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private bool wantUpdateMonitors = true;
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public ViewportHandler(Win32InputHandler input)
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{
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this.input = input;
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this.classNamePtr = Marshal.StringToHGlobalUni("ImGui Platform");
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var pio = ImGui.GetPlatformIO();
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pio.PlatformCreateWindow = this.RegisterFunctionPointer<CreateWindowDelegate>(this.OnCreateWindow);
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pio.PlatformDestroyWindow = this.RegisterFunctionPointer<DestroyWindowDelegate>(this.OnDestroyWindow);
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pio.PlatformShowWindow = this.RegisterFunctionPointer<ShowWindowDelegate>(this.OnShowWindow);
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pio.PlatformSetWindowPos = this.RegisterFunctionPointer<SetWindowPosDelegate>(this.OnSetWindowPos);
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pio.PlatformGetWindowPos = this.RegisterFunctionPointer<GetWindowPosDelegate>(this.OnGetWindowPos);
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pio.PlatformSetWindowSize = this.RegisterFunctionPointer<SetWindowSizeDelegate>(this.OnSetWindowSize);
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pio.PlatformGetWindowSize = this.RegisterFunctionPointer<GetWindowSizeDelegate>(this.OnGetWindowSize);
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pio.PlatformSetWindowFocus = this.RegisterFunctionPointer<SetWindowFocusDelegate>(this.OnSetWindowFocus);
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pio.PlatformGetWindowFocus = this.RegisterFunctionPointer<GetWindowFocusDelegate>(this.OnGetWindowFocus);
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pio.PlatformGetWindowMinimized =
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this.RegisterFunctionPointer<GetWindowMinimizedDelegate>(this.OnGetWindowMinimized);
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pio.PlatformSetWindowTitle = this.RegisterFunctionPointer<SetWindowTitleDelegate>(this.OnSetWindowTitle);
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pio.PlatformSetWindowAlpha = this.RegisterFunctionPointer<SetWindowAlphaDelegate>(this.OnSetWindowAlpha);
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pio.PlatformUpdateWindow = this.RegisterFunctionPointer<UpdateWindowDelegate>(this.OnUpdateWindow);
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pio.PlatformCreateWindow = (delegate* unmanaged[Cdecl]<ImGuiViewportPtr, void>)&OnCreateWindow;
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pio.PlatformDestroyWindow = (delegate* unmanaged[Cdecl]<ImGuiViewportPtr, void>)&OnDestroyWindow;
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pio.PlatformShowWindow = (delegate* unmanaged[Cdecl]<ImGuiViewportPtr, void>)&OnShowWindow;
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pio.PlatformSetWindowPos = (delegate* unmanaged[Cdecl]<ImGuiViewportPtr, Vector2, void>)&OnSetWindowPos;
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pio.PlatformGetWindowPos = (delegate* unmanaged[Cdecl]<Vector2*, ImGuiViewportPtr, Vector2*>)&OnGetWindowPos;
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pio.PlatformSetWindowSize = (delegate* unmanaged[Cdecl]<ImGuiViewportPtr, Vector2, void>)&OnSetWindowSize;
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pio.PlatformGetWindowSize = (delegate* unmanaged[Cdecl]<Vector2*, ImGuiViewportPtr, Vector2*>)&OnGetWindowSize;
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pio.PlatformSetWindowFocus = (delegate* unmanaged[Cdecl]<ImGuiViewportPtr, void>)&OnSetWindowFocus;
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pio.PlatformGetWindowFocus = (delegate* unmanaged[Cdecl]<ImGuiViewportPtr, byte>)&OnGetWindowFocus;
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pio.PlatformGetWindowMinimized = (delegate* unmanaged[Cdecl]<ImGuiViewportPtr, byte>)&OnGetWindowMinimized;
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pio.PlatformSetWindowTitle = (delegate* unmanaged[Cdecl]<ImGuiViewportPtr, byte*, void>)&OnSetWindowTitle;
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pio.PlatformSetWindowAlpha = (delegate* unmanaged[Cdecl]<ImGuiViewportPtr, float, void>)&OnSetWindowAlpha;
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pio.PlatformUpdateWindow = (delegate* unmanaged[Cdecl]<ImGuiViewportPtr, void>)&OnUpdateWindow;
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// pio.Platform_SetImeInputPos = this.RegisterFunctionPointer<SetImeInputPosDelegate>(this.OnSetImeInputPos);
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// pio.Platform_GetWindowDpiScale = this.RegisterFunctionPointer<GetWindowDpiScaleDelegate>(this.OnGetWindowDpiScale);
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// pio.Platform_ChangedViewport = this.RegisterFunctionPointer<ChangedViewportDelegate>(this.OnChangedViewport);
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var wcex = new WNDCLASSEXW
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fixed (char* windowClassNamePtr = WindowClassName)
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{
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cbSize = (uint)sizeof(WNDCLASSEXW),
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style = CS.CS_HREDRAW | CS.CS_VREDRAW,
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hInstance = GetModuleHandleW(null),
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hbrBackground = (HBRUSH)(1 + COLOR.COLOR_BACKGROUND),
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lpfnWndProc = (delegate* unmanaged<HWND, uint, WPARAM, LPARAM, LRESULT>)Marshal
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.GetFunctionPointerForDelegate(this.input.wndProcDelegate),
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lpszClassName = (ushort*)this.classNamePtr,
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};
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var wcex = new WNDCLASSEXW
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{
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cbSize = (uint)sizeof(WNDCLASSEXW),
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style = CS.CS_HREDRAW | CS.CS_VREDRAW,
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hInstance = (HINSTANCE)Marshal.GetHINSTANCE(typeof(ViewportHandler).Module),
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hbrBackground = (HBRUSH)(1 + COLOR.COLOR_BACKGROUND),
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lpfnWndProc = (delegate* unmanaged<HWND, uint, WPARAM, LPARAM, LRESULT>)Marshal
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.GetFunctionPointerForDelegate(this.input.wndProcDelegate),
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lpszClassName = (ushort*)windowClassNamePtr,
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};
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if (RegisterClassExW(&wcex) == 0)
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throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error()) ?? new("RegisterClassEx Fail");
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if (RegisterClassExW(&wcex) == 0)
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throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error()) ?? new("RegisterClassEx Fail");
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}
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// Register main window handle (which is owned by the main application, not by us)
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// This is mostly for simplicity and consistency, so that our code (e.g. mouse handling etc.) can use same logic for main and secondary viewports.
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@ -657,11 +655,11 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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ImGui.GetPlatformIO().Handle->Monitors = default;
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}
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if (this.classNamePtr != 0)
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fixed (char* windowClassNamePtr = WindowClassName)
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{
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UnregisterClassW((ushort*)this.classNamePtr, GetModuleHandleW(null));
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Marshal.FreeHGlobal(this.classNamePtr);
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this.classNamePtr = 0;
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UnregisterClassW(
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(ushort*)windowClassNamePtr,
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(HINSTANCE)Marshal.GetHINSTANCE(typeof(ViewportHandler).Module));
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}
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pio.PlatformCreateWindow = null;
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@ -750,13 +748,8 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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}
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}
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private void* RegisterFunctionPointer<T>(T obj)
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{
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this.delegateReferences.Add(obj);
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return Marshal.GetFunctionPointerForDelegate(obj).ToPointer();
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}
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private void OnCreateWindow(ImGuiViewportPtr viewport)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static void OnCreateWindow(ImGuiViewportPtr viewport)
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{
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var data = (ImGuiViewportDataWin32*)Marshal.AllocHGlobal(Marshal.SizeOf<ImGuiViewportDataWin32>());
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viewport.PlatformUserData = data;
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@ -784,12 +777,12 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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};
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AdjustWindowRectEx(&rect, (uint)data->DwStyle, false, (uint)data->DwExStyle);
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fixed (char* pwszWindowTitle = "Untitled")
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fixed (char* windowClassNamePtr = WindowClassName)
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{
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data->Hwnd = CreateWindowExW(
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(uint)data->DwExStyle,
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(ushort*)this.classNamePtr,
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(ushort*)pwszWindowTitle,
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(ushort*)windowClassNamePtr,
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(ushort*)windowClassNamePtr,
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(uint)data->DwStyle,
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rect.left,
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rect.top,
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@ -797,8 +790,8 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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rect.bottom - rect.top,
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parentWindow,
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default,
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GetModuleHandleW(null),
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default);
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(HINSTANCE)Marshal.GetHINSTANCE(typeof(ViewportHandler).Module),
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null);
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}
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data->HwndOwned = true;
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@ -806,7 +799,8 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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viewport.PlatformHandle = viewport.PlatformHandleRaw = data->Hwnd;
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}
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private void OnDestroyWindow(ImGuiViewportPtr viewport)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static void OnDestroyWindow(ImGuiViewportPtr viewport)
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{
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// This is also called on the main viewport for some reason, and we never set that viewport's PlatformUserData
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if (viewport.PlatformUserData == null) return;
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@ -817,7 +811,11 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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{
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// Transfer capture so if we started dragging from a window that later disappears, we'll still receive the MOUSEUP event.
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ReleaseCapture();
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SetCapture(this.input.hWnd);
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if (viewport.ParentViewportId != 0)
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{
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var parentViewport = ImGui.FindViewportByID(viewport.ParentViewportId);
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SetCapture((HWND)parentViewport.PlatformHandle);
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}
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}
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if (data->Hwnd != nint.Zero && data->HwndOwned)
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@ -836,7 +834,8 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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viewport.PlatformUserData = viewport.PlatformHandle = null;
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}
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private void OnShowWindow(ImGuiViewportPtr viewport)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static void OnShowWindow(ImGuiViewportPtr viewport)
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{
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var data = (ImGuiViewportDataWin32*)viewport.PlatformUserData;
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ShowWindow(data->Hwnd, SW.SW_SHOW);
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}
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private void OnUpdateWindow(ImGuiViewportPtr viewport)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static void OnUpdateWindow(ImGuiViewportPtr viewport)
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{
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// (Optional) Update Win32 style if it changed _after_ creation.
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// Generally they won't change unless configuration flags are changed, but advanced uses (such as manually rewriting viewport flags) make this useful.
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@ -907,17 +907,18 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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}
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}
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private Vector2* OnGetWindowPos(Vector2* returnStorage, ImGuiViewportPtr viewport)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static Vector2* OnGetWindowPos(Vector2* returnValueStorage, ImGuiViewportPtr viewport)
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{
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var data = (ImGuiViewportDataWin32*)viewport.PlatformUserData;
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var pt = new POINT { x = 0, y = 0 };
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ClientToScreen(data->Hwnd, &pt);
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returnStorage->X = pt.x;
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returnStorage->Y = pt.y;
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return returnStorage;
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*returnValueStorage = new(pt.x, pt.y);
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return returnValueStorage;
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}
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private void OnSetWindowPos(ImGuiViewportPtr viewport, Vector2 pos)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static void OnSetWindowPos(ImGuiViewportPtr viewport, Vector2 pos)
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{
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var data = (ImGuiViewportDataWin32*)viewport.PlatformUserData;
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var rect = new RECT((int)pos.X, (int)pos.Y, (int)pos.X, (int)pos.Y);
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@ -934,17 +935,18 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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SWP.SWP_NOACTIVATE);
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}
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private Vector2* OnGetWindowSize(Vector2* returnStorage, ImGuiViewportPtr viewport)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static Vector2* OnGetWindowSize(Vector2* returnValueStorage, ImGuiViewportPtr viewport)
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{
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var data = (ImGuiViewportDataWin32*)viewport.PlatformUserData;
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RECT rect;
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GetClientRect(data->Hwnd, &rect);
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returnStorage->X = rect.right - rect.left;
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returnStorage->Y = rect.bottom - rect.top;
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return returnStorage;
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*returnValueStorage = new(rect.right - rect.left, rect.bottom - rect.top);
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return returnValueStorage;
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}
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private void OnSetWindowSize(ImGuiViewportPtr viewport, Vector2 size)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static void OnSetWindowSize(ImGuiViewportPtr viewport, Vector2 size)
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{
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var data = (ImGuiViewportDataWin32*)viewport.PlatformUserData;
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@ -962,7 +964,8 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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SWP.SWP_NOACTIVATE);
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}
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private void OnSetWindowFocus(ImGuiViewportPtr viewport)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static void OnSetWindowFocus(ImGuiViewportPtr viewport)
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{
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var data = (ImGuiViewportDataWin32*)viewport.PlatformUserData;
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@ -971,26 +974,30 @@ internal sealed unsafe partial class Win32InputHandler : IImGuiInputHandler
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SetFocus(data->Hwnd);
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}
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private bool OnGetWindowFocus(ImGuiViewportPtr viewport)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static byte OnGetWindowFocus(ImGuiViewportPtr viewport)
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{
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var data = (ImGuiViewportDataWin32*)viewport.PlatformUserData;
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return GetForegroundWindow() == data->Hwnd;
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return GetForegroundWindow() == data->Hwnd ? (byte)1 : (byte)0;
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}
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private bool OnGetWindowMinimized(ImGuiViewportPtr viewport)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static byte OnGetWindowMinimized(ImGuiViewportPtr viewport)
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{
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var data = (ImGuiViewportDataWin32*)viewport.PlatformUserData;
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return IsIconic(data->Hwnd);
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return IsIconic(data->Hwnd) ? (byte)1 : (byte)0;
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}
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private void OnSetWindowTitle(ImGuiViewportPtr viewport, string title)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static void OnSetWindowTitle(ImGuiViewportPtr viewport, byte* title)
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{
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var data = (ImGuiViewportDataWin32*)viewport.PlatformUserData;
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fixed (char* pwszTitle = title)
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fixed (char* pwszTitle = MemoryHelper.ReadStringNullTerminated((nint)title))
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SetWindowTextW(data->Hwnd, (ushort*)pwszTitle);
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}
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private void OnSetWindowAlpha(ImGuiViewportPtr viewport, float alpha)
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[UnmanagedCallersOnly(CallConvs = [typeof(CallConvCdecl)])]
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private static void OnSetWindowAlpha(ImGuiViewportPtr viewport, float alpha)
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{
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var data = (ImGuiViewportDataWin32*)viewport.PlatformUserData;
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var style = GetWindowLongW(data->Hwnd, GWL.GWL_EXSTYLE);
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