Create library from the main repository

Ref: notepad-plus-plus/notepad-plus-plus#13389

Close #1

Author: GurliGebis

.gitignore

@@ -0,0 +1,6 @@
+packages
+Packaging/NppShell.msix
+.vs
+*.user
+Debug
+Release

EditWithNppExplorerCommandHandler.cpp

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+#include "pch.h"
+#include "EditWithNppExplorerCommandHandler.h"
+
+#include "Helpers.h"
+
+using namespace NppShell::CommandHandlers;
+using namespace NppShell::Helpers;
+
+const wstring EditWithNppExplorerCommandHandler::GetNppExecutableFullPath()
+{
+    const wstring path = GetInstallationPath();
+    const wstring fileName = L"\\notepad++.exe";
+
+    return L"\"" + path + fileName + L"\"";
+}
+
+const wstring EditWithNppExplorerCommandHandler::Title()
+{
+    return L"Edit with Notepad++";
+}
+
+const wstring EditWithNppExplorerCommandHandler::Icon()
+{
+    const wstring fileName = GetNppExecutableFullPath();
+
+    return fileName;
+}
+
+const wstring EditWithNppExplorerCommandHandler::GetCommandLine()
+{
+    const wstring fileName = GetNppExecutableFullPath();
+    const wstring parameters = L"\"%1\"";
+
+    return fileName + L" " + parameters;
+}
+
+IFACEMETHODIMP EditWithNppExplorerCommandHandler::Invoke(IShellItemArray* psiItemArray, IBindCtx* pbc) noexcept try
+{
+    UNREFERENCED_PARAMETER(pbc);
+
+    if (!psiItemArray)
+    {
+        return S_OK;
+    }
+
+    DWORD count;
+    RETURN_IF_FAILED(psiItemArray->GetCount(&count));
+
+    IShellItem* psi = nullptr;
+    LPWSTR itemName;
+
+    for (DWORD i = 0; i < count; ++i)
+    {
+        psiItemArray->GetItemAt(i, &psi);
+        RETURN_IF_FAILED(psi->GetDisplayName(SIGDN_FILESYSPATH, &itemName));
+
+        std::wstring cmdline = this->GetCommandLine();
+        cmdline = cmdline.replace(cmdline.find(L"%1"), 2, itemName);
+
+        STARTUPINFO si;
+        PROCESS_INFORMATION pi;
+
+        ZeroMemory(&si, sizeof(si));
+        si.cb = sizeof(si);
+        ZeroMemory(&pi, sizeof(pi));
+
+        wchar_t* command = (LPWSTR)cmdline.c_str();
+
+        if (!CreateProcess(nullptr, command, nullptr, nullptr, false, CREATE_NEW_PROCESS_GROUP, nullptr, nullptr, &si, &pi))
+        {
+            return S_OK;
+        }
+
+        CloseHandle(pi.hProcess);
+        CloseHandle(pi.hThread);
+    }
+
+    return S_OK;
+}
+CATCH_RETURN();

EditWithNppExplorerCommandHandler.h

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+#pragma once
+#include "pch.h"
+
+#include "ExplorerCommandBase.h"
+
+namespace NppShell::CommandHandlers
+{
+#ifdef WIN64
+    class __declspec(uuid("B298D29A-A6ED-11DE-BA8C-A68E55D89593")) EditWithNppExplorerCommandHandler : public ExplorerCommandBase
+#else
+    class __declspec(uuid("00F3C2EC-A6EE-11DE-A03A-EF8F55D89593")) EditWithNppExplorerCommandHandler : public ExplorerCommandBase
+#endif
+    {
+    public:
+        const wstring Title() override;
+        const wstring Icon() override;
+
+        IFACEMETHODIMP Invoke(IShellItemArray* psiItemArray, IBindCtx* pbc) noexcept override;
+
+    private:
+        const wstring GetNppExecutableFullPath();
+        const wstring GetCommandLine();
+    };
+}

ExplorerCommandBase.cpp

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+#include "pch.h"
+#include "ExplorerCommandBase.h"
+
+using namespace NppShell::CommandHandlers;
+
+const EXPCMDFLAGS ExplorerCommandBase::Flags()
+{
+    return ECF_DEFAULT;
+}
+
+const EXPCMDSTATE ExplorerCommandBase::State(IShellItemArray* psiItemArray)
+{
+    UNREFERENCED_PARAMETER(psiItemArray);
+
+    return ECS_ENABLED;
+}
+
+IFACEMETHODIMP ExplorerCommandBase::GetTitle(IShellItemArray* psiItemArray, LPWSTR* ppszName)
+{
+    UNREFERENCED_PARAMETER(psiItemArray);
+
+    wstring title = Title();
+    SHStrDup(title.data(), ppszName);
+
+    return S_OK;
+}
+
+IFACEMETHODIMP ExplorerCommandBase::GetIcon(IShellItemArray* psiItemArray, LPWSTR* ppszIcon)
+{
+    UNREFERENCED_PARAMETER(psiItemArray);
+
+    wstring icon = Icon();
+    SHStrDup(icon.data(), ppszIcon);
+
+    return S_OK;
+}
+
+IFACEMETHODIMP ExplorerCommandBase::GetToolTip(IShellItemArray* psiItemArray, LPWSTR* ppszInfotip)
+{
+    UNREFERENCED_PARAMETER(psiItemArray);
+    UNREFERENCED_PARAMETER(ppszInfotip);
+
+    return E_NOTIMPL;
+}
+
+IFACEMETHODIMP ExplorerCommandBase::GetState(IShellItemArray* psiItemArray, BOOL fOkToBeSlow, EXPCMDSTATE* pCmdState)
+{
+    UNREFERENCED_PARAMETER(fOkToBeSlow);
+
+    *pCmdState = State(psiItemArray);
+    return S_OK;
+}
+
+IFACEMETHODIMP ExplorerCommandBase::GetFlags(EXPCMDFLAGS* flags)
+{
+    *flags = Flags();
+    return S_OK;
+}
+
+IFACEMETHODIMP ExplorerCommandBase::GetCanonicalName(GUID* pguidCommandName) {
+    *pguidCommandName = GUID_NULL;
+    return S_OK;
+}
+
+IFACEMETHODIMP ExplorerCommandBase::EnumSubCommands(IEnumExplorerCommand** ppEnum)
+{
+    *ppEnum = nullptr;
+    return E_NOTIMPL;
+}

ExplorerCommandBase.h

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+#pragma once
+#include "pch.h"
+
+namespace NppShell::CommandHandlers
+{
+    class ExplorerCommandBase : public winrt::implements<ExplorerCommandBase, IExplorerCommand>
+    {
+    public:
+        virtual const wstring Title() = 0;
+        virtual const wstring Icon() = 0;
+        virtual const EXPCMDFLAGS Flags();
+        virtual const EXPCMDSTATE State(IShellItemArray* psiItemArray);
+
+        IFACEMETHODIMP GetTitle(IShellItemArray* psiItemArray, LPWSTR* ppszName);
+        IFACEMETHODIMP GetIcon(IShellItemArray* psiItemArray, LPWSTR* ppszIcon);
+        IFACEMETHODIMP GetToolTip(IShellItemArray* psiItemArray, LPWSTR* ppszInfotip);
+        IFACEMETHODIMP GetState(IShellItemArray* psiItemArray, BOOL fOkToBeSlow, EXPCMDSTATE* pCmdState);
+        IFACEMETHODIMP GetFlags(EXPCMDFLAGS* flags);
+        IFACEMETHODIMP GetCanonicalName(GUID* pguidCommandName);
+        IFACEMETHODIMP EnumSubCommands(IEnumExplorerCommand** ppEnum);
+
+        virtual IFACEMETHODIMP Invoke(IShellItemArray* psiItemArray, IBindCtx* pbc) noexcept = 0;
+    };
+}

Helpers.cpp

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+#include "pch.h"
+#include "Helpers.h"
+
+using namespace NppShell::Helpers;
+
+extern HMODULE thisModule;
+
+const wstring NppShell::Helpers::GetInstallationPath()
+{
+    wchar_t path[FILENAME_MAX] = { 0 };
+    GetModuleFileName(thisModule, path, FILENAME_MAX);
+    return std::filesystem::path(path).parent_path().wstring();
+}

Helpers.h

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+#pragma once
+#include "pch.h"
+
+#include <filesystem>
+
+namespace NppShell::Helpers
+{
+    const wstring GetInstallationPath();
+}