Notepad3/grepWinNP3/sktoolslib_mod/BrowseFolder.cpp
2020-04-17 14:19:38 +02:00

413 lines
14 KiB
C++

// sktoolslib - common files for SK tools
// Copyright (C) 2012, 2014, 2017 - Stefan Kueng
// 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 2
// 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, write to the Free Software Foundation,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#include "stdafx.h"
#include <WindowsX.h>
#include <Shobjidl.h>
#include <Shlobj.h>
#include <Shlwapi.h>
#include "BrowseFolder.h"
BOOL CBrowseFolder::m_bCheck = FALSE;
BOOL CBrowseFolder::m_bCheck2 = FALSE;
WNDPROC CBrowseFolder::CBProc = nullptr;
HWND CBrowseFolder::checkbox = nullptr;
HWND CBrowseFolder::checkbox2 = nullptr;
HWND CBrowseFolder::ListView = nullptr;
TCHAR CBrowseFolder::m_CheckText[200];
TCHAR CBrowseFolder::m_CheckText2[200];
std::wstring CBrowseFolder::m_sDefaultPath;
bool CBrowseFolder::m_DisableCheckbox2WhenCheckbox1IsChecked = false;
CBrowseFolder::CBrowseFolder(void)
: m_style(0)
, m_root(nullptr)
{
SecureZeroMemory(m_displayName, sizeof(m_displayName));
SecureZeroMemory(m_title, sizeof(m_title));
SecureZeroMemory(m_CheckText, sizeof(m_CheckText));
}
CBrowseFolder::~CBrowseFolder(void)
{
}
//show the dialog
CBrowseFolder::retVal CBrowseFolder::Show(HWND parent, LPTSTR path, size_t pathlen, LPCTSTR szDefaultPath /* = nullptr */)
{
std::wstring temp;
temp = path;
std::wstring sDefault;
if (szDefaultPath && PathFileExists(szDefaultPath))
sDefault = szDefaultPath;
CBrowseFolder::retVal ret = Show(parent, temp, sDefault);
_tcscpy_s(path, pathlen, temp.c_str());
return ret;
}
CBrowseFolder::retVal CBrowseFolder::Show(HWND parent, std::wstring& path, const std::wstring& sDefaultPath /* = std::wstring() */)
{
retVal ret = OK; //assume OK
m_sDefaultPath = sDefaultPath;
if (m_sDefaultPath.empty() && !path.empty())
{
// if the result path already contains a path, use that as the default path
m_sDefaultPath = path;
}
HRESULT hr;
// Create a new common open file dialog
IFileOpenDialog* pfd = nullptr;
hr = CoCreateInstance(CLSID_FileOpenDialog, nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pfd));
if (SUCCEEDED(hr))
{
// Set the dialog as a folder picker
DWORD dwOptions;
if (SUCCEEDED(hr = pfd->GetOptions(&dwOptions)))
{
hr = pfd->SetOptions(dwOptions | FOS_PICKFOLDERS | FOS_FORCEFILESYSTEM | FOS_PATHMUSTEXIST);
}
// Set a title
if (SUCCEEDED(hr))
{
TCHAR * nl = _tcschr(m_title, '\n');
if (nl)
*nl = 0;
pfd->SetTitle(m_title);
}
// set the default folder
if (SUCCEEDED(hr))
{
typedef HRESULT (WINAPI *SHCIFPN)(PCWSTR pszPath, IBindCtx * pbc, REFIID riid, void ** ppv);
HMODULE hLib = LoadLibrary(L"shell32.dll");
if (hLib)
{
SHCIFPN pSHCIFPN = (SHCIFPN)GetProcAddress(hLib, "SHCreateItemFromParsingName");
if (pSHCIFPN)
{
IShellItem *psiDefault = 0;
hr = pSHCIFPN(m_sDefaultPath.c_str(), nullptr, IID_PPV_ARGS(&psiDefault));
if (SUCCEEDED(hr))
{
hr = pfd->SetFolder(psiDefault);
psiDefault->Release();
}
}
FreeLibrary(hLib);
}
}
if (_tcslen(m_CheckText))
{
IFileDialogCustomize* pfdCustomize = 0;
hr = pfd->QueryInterface(IID_PPV_ARGS(&pfdCustomize));
if (SUCCEEDED(hr))
{
pfdCustomize->StartVisualGroup(100, L"");
pfdCustomize->AddCheckButton(101, m_CheckText, FALSE);
if (_tcslen(m_CheckText2))
{
pfdCustomize->AddCheckButton(102, m_CheckText2, FALSE);
}
pfdCustomize->EndVisualGroup();
pfdCustomize->Release();
}
}
// Show the open file dialog
if (SUCCEEDED(hr) && SUCCEEDED(hr = pfd->Show(parent)))
{
// Get the selection from the user
IShellItem* psiResult = nullptr;
hr = pfd->GetResult(&psiResult);
if (SUCCEEDED(hr))
{
PWSTR pszPath = nullptr;
hr = psiResult->GetDisplayName(SIGDN_FILESYSPATH, &pszPath);
if (SUCCEEDED(hr))
{
path = pszPath;
CoTaskMemFree(pszPath);
}
psiResult->Release();
IFileDialogCustomize * pfdCustomize;
hr = pfd->QueryInterface(IID_PPV_ARGS(&pfdCustomize));
if (SUCCEEDED(hr))
{
pfdCustomize->GetCheckButtonState(101, &m_bCheck);
pfdCustomize->GetCheckButtonState(102, &m_bCheck2);
pfdCustomize->Release();
}
}
else
ret = CANCEL;
}
else
ret = CANCEL;
pfd->Release();
}
else
{
LPITEMIDLIST itemIDList;
BROWSEINFO browseInfo;
browseInfo.hwndOwner = parent;
browseInfo.pidlRoot = m_root;
browseInfo.pszDisplayName = m_displayName;
browseInfo.lpszTitle = m_title;
browseInfo.ulFlags = m_style;
browseInfo.lpfn = nullptr;
browseInfo.lParam = (LPARAM)this;
if ((m_CheckText[0] != '\0') || (m_sDefaultPath.size()))
{
browseInfo.lpfn = BrowseCallBackProc;
}
itemIDList = SHBrowseForFolder(&browseInfo);
//is the dialog canceled?
if (!itemIDList)
ret = CANCEL;
if (ret != CANCEL)
{
WCHAR p[MAX_PATH] = {0};
if (!SHGetPathFromIDList(itemIDList, p)) // MAX_PATH ok. Explorer can't handle paths longer than MAX_PATH.
ret = NOPATH;
path = p;
LPMALLOC shellMalloc;
hr = SHGetMalloc(&shellMalloc);
if (SUCCEEDED(hr))
{
//free memory
shellMalloc->Free(itemIDList);
//release interface
shellMalloc->Release();
}
}
}
return ret;
}
void CBrowseFolder::SetInfo(LPCTSTR title)
{
if (title)
_tcscpy_s(m_title, title);
}
void CBrowseFolder::SetCheckBoxText(LPCTSTR checktext)
{
if (checktext)
_tcscpy_s(m_CheckText, checktext);
}
void CBrowseFolder::SetCheckBoxText2(LPCTSTR checktext)
{
if (checktext)
_tcscpy_s(m_CheckText2, checktext);
}
void CBrowseFolder::SetFont(HWND hwnd,LPTSTR FontName,int FontSize)
{
HFONT hf;
LOGFONT lf={0};
HDC hdc=GetDC(hwnd);
GetObject(GetWindowFont(hwnd),sizeof(lf),&lf);
lf.lfWeight = FW_REGULAR;
lf.lfHeight = (LONG)FontSize;
lstrcpyn( lf.lfFaceName, FontName, _countof(lf.lfFaceName) );
hf=CreateFontIndirect(&lf);
SetBkMode(hdc,OPAQUE);
SendMessage(hwnd,WM_SETFONT,(WPARAM)hf,TRUE);
ReleaseDC(hwnd,hdc);
}
int CBrowseFolder::BrowseCallBackProc(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM /*lpData*/)
{
RECT ListViewRect,Dialog;
//Initialization callback message
if (uMsg == BFFM_INITIALIZED)
{
if (m_CheckText[0] != '\0')
{
bool bSecondCheckbox = (m_CheckText2[0] != '\0');
//Rectangles for getting the positions
checkbox = CreateWindowEx( 0,
_T("BUTTON"),
m_CheckText,
WS_CHILD|WS_VISIBLE|WS_CLIPCHILDREN|BS_AUTOCHECKBOX,
0,100,100,50,
hwnd,
0,
nullptr,
nullptr);
if (checkbox == nullptr)
return 0;
if (bSecondCheckbox)
{
//Rectangles for getting the positions
checkbox2 = CreateWindowEx( 0,
_T("BUTTON"),
m_CheckText2,
WS_CHILD|WS_VISIBLE|WS_CLIPCHILDREN|BS_AUTOCHECKBOX,
0,100,100,50,
hwnd,
0,
nullptr,
nullptr);
if (checkbox2 == nullptr)
return 0;
}
ListView = FindWindowEx(hwnd, nullptr,_T("SysTreeView32"), nullptr);
if (ListView == nullptr)
ListView = FindWindowEx(hwnd, nullptr,_T("SHBrowseForFolder ShellNameSpace Control"), nullptr);
if (ListView == nullptr)
return 0;
//Gets the dimensions of the windows
const int controlHeight = ::GetSystemMetrics(SM_CYMENUCHECK) + 4;
GetWindowRect(hwnd,&Dialog);
GetWindowRect(ListView,&ListViewRect);
POINT pt;
pt.x = ListViewRect.left;
pt.y = ListViewRect.top;
ScreenToClient(hwnd, &pt);
ListViewRect.top = pt.y;
ListViewRect.left = pt.x;
pt.x = ListViewRect.right;
pt.y = ListViewRect.bottom;
ScreenToClient(hwnd, &pt);
ListViewRect.bottom = pt.y;
ListViewRect.right = pt.x;
//Sets the list view controls dimensions
SetWindowPos(ListView,0,ListViewRect.left,
bSecondCheckbox ? ListViewRect.top+(2*controlHeight) : ListViewRect.top+controlHeight,
(ListViewRect.right-ListViewRect.left),
bSecondCheckbox ? (ListViewRect.bottom - ListViewRect.top)-(2*controlHeight) : (ListViewRect.bottom - ListViewRect.top)-controlHeight,
SWP_NOZORDER);
//Sets the window positions of checkbox and dialog controls
SetWindowPos(checkbox,HWND_BOTTOM,ListViewRect.left,
ListViewRect.top,
(ListViewRect.right-ListViewRect.left),
controlHeight,
SWP_NOZORDER);
if (bSecondCheckbox)
{
SetWindowPos(checkbox2,HWND_BOTTOM,ListViewRect.left,
ListViewRect.top+controlHeight,
(ListViewRect.right-ListViewRect.left),
controlHeight,
SWP_NOZORDER);
}
HWND label = FindWindowEx(hwnd, nullptr, _T("STATIC"), nullptr);
if (label)
{
HFONT hFont = (HFONT)::SendMessage(label, WM_GETFONT, 0, 0);
LOGFONT lf = {0};
GetObject(hFont, sizeof(lf), &lf);
HFONT hf2 = CreateFontIndirect(&lf);
::SendMessage(checkbox, WM_SETFONT, (WPARAM)hf2, TRUE);
if (bSecondCheckbox)
::SendMessage(checkbox2, WM_SETFONT, (WPARAM)hf2, TRUE);
}
else
{
//Sets the fonts of static controls
SetFont(checkbox,_T("MS Sans Serif"),12);
if (bSecondCheckbox)
SetFont(checkbox2,_T("MS Sans Serif"),12);
}
// Subclass the checkbox control.
CBProc = (WNDPROC) SetWindowLongPtr(checkbox,GWLP_WNDPROC, (LONG_PTR) CheckBoxSubclassProc);
//Sets the checkbox to checked position
SendMessage(checkbox,BM_SETCHECK,(WPARAM)m_bCheck,0);
if (bSecondCheckbox)
{
CBProc = (WNDPROC) SetWindowLongPtr(checkbox2,GWLP_WNDPROC, (LONG_PTR) CheckBoxSubclassProc2);
SendMessage(checkbox2,BM_SETCHECK,(WPARAM)m_bCheck,0);
}
// send a resize message to the resized list view control. Otherwise it won't show
// up properly until the user resizes the window!
SendMessage(ListView, WM_SIZE, SIZE_RESTORED, MAKELONG(ListViewRect.right-ListViewRect.left, bSecondCheckbox ? (ListViewRect.bottom - ListViewRect.top)-40 : (ListViewRect.bottom - ListViewRect.top)-20));
}
// now set the default directory
SendMessage(hwnd, BFFM_SETSELECTION, TRUE, (LPARAM)(LPCTSTR)m_sDefaultPath.c_str());
}
if (uMsg == BFFM_SELCHANGED)
{
// Set the status window to the currently selected path.
TCHAR szDir[MAX_PATH];
if (SHGetPathFromIDList((LPITEMIDLIST)lParam, szDir))
{
SendMessage(hwnd,BFFM_SETSTATUSTEXT, 0, (LPARAM)szDir);
}
}
return 0;
}
LRESULT CBrowseFolder::CheckBoxSubclassProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
{
if (uMsg == WM_LBUTTONUP)
{
m_bCheck = (SendMessage(hwnd,BM_GETCHECK,0,0) == BST_UNCHECKED);
if (m_bCheck && m_DisableCheckbox2WhenCheckbox1IsChecked)
{
::EnableWindow(checkbox2, !m_bCheck);
}
else
::EnableWindow(checkbox2, true);
}
return CallWindowProc(CBProc, hwnd, uMsg,
wParam, lParam);
}
LRESULT CBrowseFolder::CheckBoxSubclassProc2(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
{
if (uMsg == WM_LBUTTONUP)
{
m_bCheck2 = (SendMessage(hwnd,BM_GETCHECK,0,0) == BST_UNCHECKED);
}
return CallWindowProc(CBProc, hwnd, uMsg,
wParam, lParam);
}