Add FilePilot preview integration (#1949)

Author: AndreySemjonov

QuickLook.Native/QuickLook.Native32/FilePilot.cpp

@@ -0,0 +1,327 @@
+// Copyright © 2017-2026 QL-Win Contributors
+// 
+// This file is part of QuickLook program.
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "stdafx.h"
+#include "FilePilot.h"
+#include <UIAutomation.h>
+
+#pragma comment(lib, "UIAutomationCore.lib")
+
+namespace
+{
+    constexpr auto CLIPBOARD_TIMEOUT_MS = 250;
+    constexpr auto CLIPBOARD_POLL_INTERVAL_MS = 5;
+    constexpr auto MAX_CLASS_NAME_LENGTH = 256;
+
+    bool StartsWith(PCWSTR value, PCWSTR prefix)
+    {
+        return wcsncmp(value, prefix, wcslen(prefix)) == 0;
+    }
+
+    bool IsFilePilotProcess(HWND hwnd)
+    {
+        DWORD processId = 0;
+        GetWindowThreadProcessId(hwnd, &processId);
+
+        if (processId == 0)
+            return false;
+
+        auto process = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, processId);
+        if (process == nullptr)
+            process = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, processId);
+        if (process == nullptr)
+            return false;
+
+        WCHAR processPath[MAX_PATH_EX] = { L'\0' };
+        DWORD processPathLength = MAX_PATH_EX;
+        auto success = QueryFullProcessImageNameW(process, 0, processPath, &processPathLength);
+        CloseHandle(process);
+
+        if (!success)
+            return false;
+
+        auto processName = wcsrchr(processPath, L'\\');
+        processName = processName == nullptr ? processPath : processName + 1;
+
+        return _wcsicmp(processName, L"FPilot.exe") == 0 ||
+               _wcsicmp(processName, L"FilePilot.exe") == 0;
+    }
+
+    bool IsTextInputClass(PCWSTR className)
+    {
+        if (className == nullptr || className[0] == L'\0')
+            return false;
+
+        return StartsWith(className, L"Edit") ||
+               StartsWith(className, L"RichEdit") ||
+               StartsWith(className, L"WindowsForms10.EDIT") ||
+               StartsWith(className, L"Scintilla");
+    }
+
+    bool IsWin32TextInputFocused(HWND hwnd)
+    {
+        auto foregroundThread = GetWindowThreadProcessId(hwnd, nullptr);
+        auto currentThread = GetCurrentThreadId();
+        auto attached = FALSE;
+
+        if (foregroundThread != 0 && foregroundThread != currentThread)
+            attached = AttachThreadInput(currentThread, foregroundThread, TRUE);
+
+        auto focused = GetFocus();
+
+        if (attached)
+            AttachThreadInput(currentThread, foregroundThread, FALSE);
+
+        if (focused == nullptr)
+            return false;
+
+        WCHAR className[MAX_CLASS_NAME_LENGTH] = { L'\0' };
+        if (GetClassNameW(focused, className, MAX_CLASS_NAME_LENGTH) == 0)
+            return false;
+
+        return IsTextInputClass(className);
+    }
+
+    bool CreateAutomation(IUIAutomation** automation)
+    {
+        auto hr = CoCreateInstance(
+            __uuidof(CUIAutomation8),
+            nullptr,
+            CLSCTX_INPROC_SERVER,
+            __uuidof(IUIAutomation),
+            reinterpret_cast<void**>(automation));
+
+        if (SUCCEEDED(hr))
+            return true;
+
+        hr = CoCreateInstance(
+            __uuidof(CUIAutomation),
+            nullptr,
+            CLSCTX_INPROC_SERVER,
+            __uuidof(IUIAutomation),
+            reinterpret_cast<void**>(automation));
+
+        return SUCCEEDED(hr);
+    }
+
+    bool IsAutomationTextInputFocused(HWND hwnd)
+    {
+        DWORD foregroundProcessId = 0;
+        GetWindowThreadProcessId(hwnd, &foregroundProcessId);
+        if (foregroundProcessId == 0)
+            return false;
+
+        auto coInit = CoInitialize(nullptr);
+        if (FAILED(coInit))
+            return false;
+
+        IUIAutomation* automation = nullptr;
+        if (!CreateAutomation(&automation))
+        {
+            CoUninitialize();
+            return false;
+        }
+
+        IUIAutomationElement* focused = nullptr;
+        auto result = false;
+
+        if (SUCCEEDED(automation->GetFocusedElement(&focused)) && focused != nullptr)
+        {
+            int focusedProcessId = 0;
+            if (SUCCEEDED(focused->get_CurrentProcessId(&focusedProcessId)) &&
+                focusedProcessId == static_cast<int>(foregroundProcessId))
+            {
+                CONTROLTYPEID controlType = 0;
+                if (SUCCEEDED(focused->get_CurrentControlType(&controlType)) &&
+                    (controlType == UIA_EditControlTypeId || controlType == UIA_ComboBoxControlTypeId))
+                {
+                    result = true;
+                }
+
+                if (!result)
+                {
+                    BSTR className = nullptr;
+                    if (SUCCEEDED(focused->get_CurrentClassName(&className)) && className != nullptr)
+                    {
+                        result = IsTextInputClass(className);
+                        SysFreeString(className);
+                    }
+                }
+            }
+
+            focused->Release();
+        }
+
+        automation->Release();
+        CoUninitialize();
+
+        return result;
+    }
+
+    bool IsTextInputFocused(HWND hwnd)
+    {
+        return IsWin32TextInputFocused(hwnd) || IsAutomationTextInputFocused(hwnd);
+    }
+
+    void SendCopyPathHotkey()
+    {
+        INPUT inputs[6] = {};
+
+        inputs[0].type = INPUT_KEYBOARD;
+        inputs[0].ki.wVk = VK_CONTROL;
+
+        inputs[1].type = INPUT_KEYBOARD;
+        inputs[1].ki.wVk = VK_SHIFT;
+
+        inputs[2].type = INPUT_KEYBOARD;
+        inputs[2].ki.wVk = L'C';
+
+        inputs[3].type = INPUT_KEYBOARD;
+        inputs[3].ki.wVk = L'C';
+        inputs[3].ki.dwFlags = KEYEVENTF_KEYUP;
+
+        inputs[4].type = INPUT_KEYBOARD;
+        inputs[4].ki.wVk = VK_SHIFT;
+        inputs[4].ki.dwFlags = KEYEVENTF_KEYUP;
+
+        inputs[5].type = INPUT_KEYBOARD;
+        inputs[5].ki.wVk = VK_CONTROL;
+        inputs[5].ki.dwFlags = KEYEVENTF_KEYUP;
+
+        SendInput(_countof(inputs), inputs, sizeof(INPUT));
+    }
+
+    bool ClearClipboard()
+    {
+        auto start = GetTickCount64();
+
+        while (GetTickCount64() - start < CLIPBOARD_TIMEOUT_MS)
+        {
+            if (OpenClipboard(nullptr))
+            {
+                EmptyClipboard();
+                CloseClipboard();
+                return true;
+            }
+
+            Sleep(CLIPBOARD_POLL_INTERVAL_MS);
+        }
+
+        return false;
+    }
+
+    bool ReadClipboardPath(PWCHAR buffer)
+    {
+        if (!OpenClipboard(nullptr))
+            return false;
+
+        auto data = GetClipboardData(CF_UNICODETEXT);
+        if (data == nullptr)
+        {
+            CloseClipboard();
+            return false;
+        }
+
+        auto text = static_cast<PWCHAR>(GlobalLock(data));
+        if (text == nullptr)
+        {
+            CloseClipboard();
+            return false;
+        }
+
+        auto start = text;
+        while (*start == L' ' || *start == L'\t' || *start == L'\r' || *start == L'\n')
+            start++;
+
+        auto end = start;
+        while (*end != L'\0' && *end != L'\r' && *end != L'\n')
+            end++;
+
+        while (end > start && (*(end - 1) == L' ' || *(end - 1) == L'\t'))
+            end--;
+
+        if (end - start >= 2 && *start == L'"' && *(end - 1) == L'"')
+        {
+            start++;
+            end--;
+        }
+
+        auto length = static_cast<size_t>(end - start);
+        if (length >= MAX_PATH_EX)
+            length = MAX_PATH_EX - 1;
+
+        if (length > 0)
+            wcsncpy_s(buffer, MAX_PATH_EX, start, length);
+
+        GlobalUnlock(data);
+        CloseClipboard();
+
+        return length > 0;
+    }
+
+    bool WaitForClipboardPath(PWCHAR buffer)
+    {
+        auto start = GetTickCount64();
+
+        while (GetTickCount64() - start < CLIPBOARD_TIMEOUT_MS)
+        {
+            if (ReadClipboardPath(buffer))
+                return true;
+
+            Sleep(CLIPBOARD_POLL_INTERVAL_MS);
+        }
+
+        return false;
+    }
+}
+
+bool FilePilot::MatchWindow(HWND hwnd)
+{
+    return hwnd != nullptr && IsFilePilotProcess(hwnd) && !IsTextInputFocused(hwnd);
+}
+
+void FilePilot::GetSelected(PWCHAR buffer)
+{
+    if (!MatchWindow(GetForegroundWindow()))
+        return;
+
+    auto coInit = CoInitialize(nullptr);
+    CComPtr<IDataObject> clipboardBackup;
+
+    if (SUCCEEDED(coInit))
+        OleGetClipboard(&clipboardBackup);
+
+    auto clipboardCleared = ClearClipboard();
+    if (clipboardCleared)
+    {
+        SendCopyPathHotkey();
+        WaitForClipboardPath(buffer);
+    }
+
+    if (clipboardCleared && clipboardBackup != nullptr)
+    {
+        OleSetClipboard(clipboardBackup);
+        OleFlushClipboard();
+    }
+    else if (clipboardCleared)
+    {
+        ClearClipboard();
+    }
+
+    if (SUCCEEDED(coInit))
+        CoUninitialize();
+}

QuickLook.Native/QuickLook.Native32/FilePilot.h

@@ -0,0 +1,25 @@
+// Copyright © 2017-2026 QL-Win Contributors
+// 
+// This file is part of QuickLook program.
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#pragma once
+
+class FilePilot
+{
+public:
+    static bool MatchWindow(HWND hwnd);
+    static void GetSelected(PWCHAR buffer);
+};

QuickLook.Native/QuickLook.Native32/QuickLook.Native32.vcxproj

@@ -217,6 +217,7 @@
     <ClInclude Include="DialogHook.h" />
     <ClInclude Include="DOpus.h" />
     <ClInclude Include="Everything.h" />
+    <ClInclude Include="FilePilot.h" />
     <ClInclude Include="HelperMethods.h" />
     <ClInclude Include="IDMan.h" />
     <ClInclude Include="MultiCommander.h" />
@@ -250,6 +251,7 @@
     </ClCompile>
     <ClCompile Include="DOpus.cpp" />
     <ClCompile Include="Everything.cpp" />
+    <ClCompile Include="FilePilot.cpp" />
     <ClCompile Include="HelperMethods.cpp" />
     <ClCompile Include="DllExport.cpp" />
     <ClCompile Include="IDMan.cpp" />
@@ -268,4 +270,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>

QuickLook.Native/QuickLook.Native32/QuickLook.Native32.vcxproj.filters

@@ -36,6 +36,9 @@
     <ClInclude Include="Everything.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="FilePilot.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
     <ClInclude Include="DOpus.h">
       <Filter>Header Files</Filter>
     </ClInclude>
@@ -71,6 +74,9 @@
     <ClCompile Include="Everything.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="FilePilot.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="DOpus.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>