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https://github.com/fadden/ciderpress.git
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f6647b9978
Mostly a bulk conversion of debug messages, primarily with sed: sed -e 's/\(WMSG[0-9]\)\(.*\)\(\\n"\)/LOGI\2"/' This removes the '\n' from the end of the log messages, and sets them all to "info" severity. We want to prefix each line with file/line and/or a timestamp, so it doesn't make sense to have a partial line, and there's no value in embedding the '\n' in every string.
590 lines
19 KiB
C++
590 lines
19 KiB
C++
/*
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* CiderPress
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* Copyright (C) 2007 by faddenSoft, LLC. All Rights Reserved.
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* See the file LICENSE for distribution terms.
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*/
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/*
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* Support for file selection dialog.
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*
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* What we want to do is get the full set of selected files out of the dialog.
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* However, Windows does not provide a way to do that. There are various
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* slightly awkward approaches:
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*
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* - Get the IShellView pointer via the IShellBrowser pointer via the
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* undocumented WM_GETISHELLBROWSER message. You can then play with the
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* shellview window, select items with SelectItem(), and get an object
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* representing the selected items with another call. What form the
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* object takes is frustratingly unspecified.
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* http://www.codeproject.com/dialog/select_all_button.asp
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* - Get the CListView so you can play with its members. This is done by
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* GetParent --> GetItem(lst2) --> GetItem(1), which is probably
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* somewhat fragile, but seems to work on 98 through XP. Standard LVN
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* stuff applies.
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* http://www.codeguru.com/mfc/comments/10216.shtml
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* - Using a window hook (not an OFN hook), get the class name and strcmp()
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* it for the class we're looking for ("syslistview32"). Once we have
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* it, proceed as above.
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* http://www.codeproject.com/dialog/customize_dialog.asp
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*
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* Care must be taken with the ListView because it doesn't contain file names,
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* but rather display names (potentially without filename extensions). The
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* next big assumptive leap is that the ItemData pointer is a shell PIDL that
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* can be used directly.
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*
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* The PIDL stored is, of course, relative to the IShellFolder currently being
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* displayed. There's no easy way to get that, but if we just go ahead and
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* call SHGetPathFromIDList anyway we get the right file name with the wrong
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* path (it appears to be the desktop folder). We can strip the path off and
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* prepend the value from the undocumented GetFolderPath() call (which just
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* issues a CDM_GETFOLDERPATH message).
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*
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* To make matters even more interesting, it is necessary to provide a "hook"
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* function to prevent double-clicking from closing the dialog while side-
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* stepping our additions. Of course, adding an OFN hook renders all of the
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* existing message map and initialization stuff inoperable. You can stuff
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* things through various "user data" pointers and end up with access to your
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* object, and if you cram the hook procedure's hDlg into the object's m_hWnd
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* you can treat "this" like a window instead of passing HWNDs around.
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*/
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#include "stdafx.h"
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#include "SelectFilesDialog.h"
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#include "PathName.h"
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#include "Util.h"
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#include <dlgs.h>
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/*
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* Our CFileDialog "hook" function.
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*
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* "hdlg" is a handle to the child dialog box. Use the GetParent() function
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* to get the handle of the dialog box window.
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*
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* uiMsg identifies the message being received. If it's WM_INITDIALOG, then
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* lParam points to the OPENFILENAME structure.
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*
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* Do not call EndDialog from here. Instead, PostMessage a WM_COMMAND with
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* IDABORT. (Looks like you can EndDialog on the parent and have it work, at
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* least for IDCANCEL.)
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*
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* Return zero to enable standard processing, nonzero to claim ownership of
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* the message.
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*/
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/*static*/ UINT CALLBACK
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SelectFilesDialog::OFNHookProc(HWND hDlg, UINT uiMsg, WPARAM wParam,
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LPARAM lParam)
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{
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OPENFILENAME* pOfn;
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SelectFilesDialog* pSFD = NULL;
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pOfn = (OPENFILENAME*) GetWindowLong(hDlg, GWL_USERDATA);
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if (pOfn != NULL) {
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pSFD = (SelectFilesDialog*) pOfn->lCustData;
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/* allow our "this" pointer to play with the window */
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/* [does not seem to cause double-frees on cleanup] */
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if (pSFD->m_hWnd == NULL)
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pSFD->m_hWnd = hDlg;
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}
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switch (uiMsg) {
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case WM_INITDIALOG:
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LOGI("WM_INITDIALOG, OFN=0x%08lx", lParam);
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SetWindowLong(hDlg, GWL_USERDATA, lParam);
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break;
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case WM_NOTIFY: // 0x4e
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ASSERT(pSFD != NULL);
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return pSFD->HandleNotify(hDlg, (LPOFNOTIFY)lParam);
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case WM_COMMAND:
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ASSERT(pSFD != NULL);
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return pSFD->HandleCommand(hDlg, wParam, lParam);
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case WM_SIZE:
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ASSERT(pSFD != NULL);
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return pSFD->HandleSize(hDlg, wParam, LOWORD(lParam), HIWORD(lParam));
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case WM_HELP:
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ASSERT(pSFD != NULL);
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return pSFD->HandleHelp(hDlg, (LPHELPINFO) lParam);
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default:
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//LOGI("OFNHookProc: hDlg=0x%08lx uiMsg=0x%08lx "
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// "wParam=0x%08lx lParam=0x%08lx",
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// hDlg, uiMsg, wParam, lParam);
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break;
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}
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return 0;
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}
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/*
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* Handle WM_NOTIFY messages.
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*
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* You can indicate displeasure with the CDN_* messages by using SetWindowLong
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* to alter the DWL_MSGRESULT value.
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*/
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UINT
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SelectFilesDialog::HandleNotify(HWND hDlg, LPOFNOTIFY pofn)
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{
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// int count;
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switch (pofn->hdr.code) {
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case CDN_INITDONE:
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MyOnInitDone();
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return 1;
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case CDN_SELCHANGE:
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LOGI(" CDN_SELCHANGE");
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MyOnFileNameChange(/*&count*/);
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//ClearFileName();
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return 1;
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case CDN_FOLDERCHANGE:
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LOGI(" CDN_FOLDERCHANGE");
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break;
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case CDN_SHAREVIOLATION:
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LOGI(" CDN_SHAREVIOLATION");
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break;
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case CDN_HELP:
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LOGI(" CDN_HELP!");
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break;
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case CDN_FILEOK:
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LOGI(" CDN_FILEOK");
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/* act like they hit the Accept button */
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// MyOnFileNameChange(&count);
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//ClearFileName();
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// if (count != 0) {
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// LOGI("Count = %d, accepting CDN_FILEOK", count);
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// MyOnAccept();
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// } else {
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// OPENFILENAME* pOfn;
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// pOfn = (OPENFILENAME*) GetWindowLong(hDlg, GWL_USERDATA);
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// LOGI("Count=0, name='%ls'", pOfn->lpstrFile);
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// }
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PrepEndDialog();
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/* must do this every time, or it fails in funky ways */
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SetWindowLong(hDlg, DWL_MSGRESULT, 1);
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return 1;
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case CDN_TYPECHANGE:
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LOGI(" CDN_TYPECHANGE");
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break;
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case CDN_INCLUDEITEM:
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LOGI(" CDN_INCLUDEITEM");
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default:
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LOGI(" HandleNotify, code=%d, pOfn=0x%08lx", pofn->hdr.code, pofn);
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break;
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}
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return 0;
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}
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/*
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* Handle WM_COMMAND messages.
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*/
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UINT
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SelectFilesDialog::HandleCommand(HWND hDlg, WPARAM wParam, LPARAM lParam)
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{
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LOGI(" HandleCommand wParam=%d lParam=0x%08lx", wParam, lParam);
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if ((int) wParam == fAcceptButtonID) {
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MyOnAccept();
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return 1;
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} else if (wParam == IDCANCEL) {
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MyOnCancel();
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return 1;
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} else {
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return MyOnCommand(wParam, lParam);
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}
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}
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/*
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* Handle WM_SIZE.
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*/
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UINT
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SelectFilesDialog::HandleSize(HWND hDlg, UINT nType, int cx, int cy)
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{
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//LOGI("Dialog: old size %d,%d (ready=%d)",
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// fLastWinSize.Width(), fLastWinSize.Height(), fReady);
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//LOGI("Dialog: new size %d,%d", cx, cy);
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// we get called once before we have a chance to initialize
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if (!fReady)
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return 0;
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int deltaX, deltaY;
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deltaX = cx - fLastWinSize.Width();
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deltaY = cy - fLastWinSize.Height();
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//LOGI("Delta is %d,%d", deltaX, deltaY);
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ShiftControls(deltaX, 0 /*deltaY*/);
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GetParent()->GetWindowRect(&fLastWinSize);
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return 1;
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}
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/*
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* User hit F1 or applied the '?' button to something. Our heritage is
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* dubious, so use global functions to access the help file.
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*/
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UINT
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SelectFilesDialog::HandleHelp(HWND hDlg, LPHELPINFO lpHelpInfo)
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{
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CWnd* pWndMain = ::AfxGetMainWnd();
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CWinApp* pAppMain = ::AfxGetApp();
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DWORD context = lpHelpInfo->iCtrlId;
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BOOL result;
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//LOGI("Handling help with context %ld", context);
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result = ::WinHelp(pWndMain->m_hWnd, pAppMain->m_pszHelpFilePath,
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HELP_CONTEXTPOPUP, context);
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//LOGI("SFD WinHelp returned %d", result);
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return TRUE; // yes, we handled it
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}
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/*
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* When the CFileDialog finishes doing its thing, we "fix" stuff a bit.
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* We can't really do this earlier, because we'd be destroying windows that
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* the parent dialog wants to move.
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*
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* We need to shift everything up by the difference between the IDOK button
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* and our "accept" button.
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*/
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void
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SelectFilesDialog::MyOnInitDone(void)
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{
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LOGI("OnInitDone!");
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CWnd* pParent = GetParent();
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CWnd* pWnd;
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CRect okRect, cancelRect, acceptRect;
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int vertDiff;
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ASSERT(pParent != NULL);
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pWnd = GetDlgItem(fAcceptButtonID);
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ASSERT(pWnd != NULL);
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pWnd->GetWindowRect(&acceptRect);
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pWnd = pParent->GetDlgItem(IDOK);
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ASSERT(pWnd != NULL);
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pWnd->GetWindowRect(&okRect);
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pWnd = pParent->GetDlgItem(IDCANCEL);
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ASSERT(pWnd != NULL);
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pWnd->GetWindowRect(&cancelRect);
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vertDiff = acceptRect.top - okRect.top;
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LOGI("vertDiff = %d (horizDiff=%d)", vertDiff,
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acceptRect.left - okRect.left);
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ShiftControls(0, -vertDiff);
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// DestroyItem(pParent, stc3); // "File name"
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// DestroyItem(pParent, edt1); // (file name edit)
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DestroyItem(pParent, stc2); // "Files of type"
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DestroyItem(pParent, cmb1); // (file type combo)
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DestroyItem(pParent, IDOK); // "Open"/"Save"
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DestroyItem(pParent, IDCANCEL); // "Cancel"
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DestroyItem(this, stc32); // our placeholder
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pParent->GetWindowRect(&fLastWinSize);
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fLastWinSize.bottom -= vertDiff;
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pParent->MoveWindow(&fLastWinSize);
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// let sub-classes initialize the data fields
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MyDataExchange(false);
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fReady = true;
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}
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/*
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* Shift the controls when the window size changes. This is a bit tricky
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* because the CFileDialog is also moving the controls, though it doesn't
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* move them in quite the way we want.
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*/
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void
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SelectFilesDialog::ShiftControls(int deltaX, int deltaY)
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{
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if (deltaX == 0 && deltaY == 0) {
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LOGI("SFD OnSize: no meaningful change");
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return;
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} else {
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LOGI("ShiftControls x=%d y=%d", deltaX, deltaY);
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}
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MoveControl(this, fAcceptButtonID, deltaX, deltaY, false);
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MoveControl(this, IDCANCEL, deltaX, deltaY, false);
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//StretchControl(this, IDC_FVIEW_EDITBOX, deltaX, deltaY);
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// erase & redraw
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Invalidate(true);
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}
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/*
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* Get the list view control out of the common file dialog.
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*
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* Returns "NULL" if it can't find it.
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*/
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CWnd*
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SelectFilesDialog::GetListCtrl(void)
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{
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CWnd* pItem;
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CWnd* pList;
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/* our dialog is a child; get our parent, then grab the shellview */
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pItem = GetParent()->GetDlgItem(lst2);
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ASSERT(pItem != NULL);
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if (pItem == NULL)
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return NULL;
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/* pull the listview out of the shellview */
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pList = pItem->GetDlgItem( 1);
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ASSERT(pList != NULL);
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return pList;
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}
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/*
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* When the selection changes, update our dialog.
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*/
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void
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SelectFilesDialog::MyOnFileNameChange(void)
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{
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//LOGI("OnFileNameChange");
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CListCtrl* pList;
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pList = (CListCtrl*) GetListCtrl();
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if (pList == NULL) {
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LOGI("GLITCH: could not get list control");
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return;
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}
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ASSERT(pList != NULL);
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//LOGI("Selected count=%d", pList->GetSelectedCount());
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//*pCount = pList->GetSelectedCount();
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//CWnd* pItem;
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//pItem = GetDlgItem(IDC_SELECT_ACCEPT);
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//ASSERT(pItem != NULL);
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//pItem->EnableWindow(*pCount != 0);
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}
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/*
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* The user hit the "Accept" button. Package up the file selection.
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*/
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void
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SelectFilesDialog::MyOnAccept(void)
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{
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//LOGI("OnAccept!");
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PrepEndDialog();
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}
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/*
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* Either the user hit the "Accept" button or the OFN dialog has indicated
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* that it wants to close.
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*
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* Returns "true" if all went well, "false" if it failed (e.g. because the
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* user hasn't selected any files).
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*/
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bool
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SelectFilesDialog::PrepEndDialog(void)
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{
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CListCtrl* pList;
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int nextSpot = 0;
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// let sub-classes copy data out
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if (!MyDataExchange(true)) {
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LOGI("MyDataExchange failed!");
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return false;
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}
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/*
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* Start with the set of stuff that the window wants to tell us about.
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* Run through the list, converting all '\0' to '\\'. Later on we
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* convert them back.
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*
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* nFileOffset will be zero if they click on "accept" instead of hitting
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* return in the edit box or double-clicking on files. This can make it
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* tricky to have names in the text field and files selected, because
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* clicking rather than hitting "enter" will yield different results.
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*
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* The OFN dialog does add names to the box as they are selected, which
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* makes it awkward to do anything reasonable.
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*
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* Fortunately I believe the world is divided into "typers" and
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* "clickers", and so long as their paths don't cross we're fine.
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*/
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LOGI("PrepEndDialog: got max=%d off=%d", m_ofn.nMaxFile, m_ofn.nFileOffset);
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if (m_ofn.nFileOffset != 0) {
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WCHAR* buf = m_ofn.lpstrFile;
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buf += m_ofn.nFileOffset;
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while (*buf != '\0') {
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if (buf > m_ofn.lpstrFile)
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*(buf-1) = '\\';
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LOGI(" File '%ls'", buf);
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buf += wcslen(buf) +1;
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}
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//Sleep(1000);
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nextSpot = (buf - m_ofn.lpstrFile) -1;
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ASSERT(*(m_ofn.lpstrFile + nextSpot) == '\0');
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ASSERT(*(m_ofn.lpstrFile + nextSpot+1) == '\0');
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/* stick a '\' on the very end, so we get double-null action later */
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*(m_ofn.lpstrFile + nextSpot) = '\\';
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}
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LOGI("Last offset was %d", nextSpot);
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#if 0
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/* make it clear that they're only getting one */
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/* (bad case: click on some files and hit "Accept") */
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if (nextSpot == 0) {
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CWnd* pEditWnd;
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CString editText;
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pEditWnd = GetParent()->GetDlgItem(edt1);
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pEditWnd->GetWindowText(editText);
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if (!editText.IsEmpty()) {
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pEditWnd->SetWindowText("");
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return false;
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}
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}
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#endif
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/*
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* Now merge in the selected files.
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*/
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pList = (CListCtrl*) GetListCtrl();
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if (pList == NULL) {
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LOGI("GLITCH: could not get list control");
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return false;
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}
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ASSERT(pList != NULL);
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CString fileNames;
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int count = pList->GetSelectedCount();
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if (count == 0) {
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if (nextSpot == 0) {
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MessageBox(L"Please select one or more files and directories.",
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m_ofn.lpstrTitle, MB_OK | MB_ICONWARNING);
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/* make it clear that we're ignoring the names they typed */
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ClearFileName();
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return false;
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}
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/* nothing but typed-in names */
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fileNames = m_ofn.lpstrFile;
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fFileNameOffset = m_ofn.nFileOffset;
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} else {
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bool compare;
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if (nextSpot == 0) {
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fileNames = GetFolderPath();
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/* add a trailing '\', which gets stomped to '\0' later on */
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if (fileNames.Right(1) != L"\\")
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fileNames += L"\\";
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fFileNameOffset = fileNames.GetLength();
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compare = false;
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} else {
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fileNames = m_ofn.lpstrFile;
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ASSERT(fileNames.Right(1) == L"\\");
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fFileNameOffset = m_ofn.nFileOffset;
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compare = true;
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}
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ASSERT(fFileNameOffset > 0);
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POSITION posn;
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posn = pList->GetFirstSelectedItemPosition();
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if (posn == NULL) {
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/* shouldn't happen -- Accept button should be dimmed */
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ASSERT(false);
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return false;
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}
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while (posn != NULL) {
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/* do this every time, because "fileNames" can be reallocated */
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const WCHAR* tailStr = fileNames;
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tailStr += fFileNameOffset-1;
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int num = pList->GetNextSelectedItem(posn); // posn is updated
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|
/* here we make a big assumption: that GetItemData returns a PIDL */
|
|
LPITEMIDLIST pidl;
|
|
WCHAR buf[MAX_PATH];
|
|
pidl = (LPITEMIDLIST) pList->GetItemData(num);
|
|
if (SHGetPathFromIDList(pidl, buf)) {
|
|
/* it's a relative PIDL but SHGetPathFromIDList wants a full
|
|
one, so it returns CWD + filename... strip bogus path off */
|
|
CString compareName(L"\\");
|
|
PathName path(buf);
|
|
compareName += path.GetFileName();
|
|
compareName += L"\\";
|
|
//LOGI(" Checking name='%ls'", compareName);
|
|
|
|
if (compare && Stristr(tailStr, compareName) != NULL) {
|
|
LOGI(" Matched '%ls', not adding", compareName);
|
|
} else {
|
|
if (compare) {
|
|
LOGI(" No match on '%ls', adding", compareName);
|
|
} else {
|
|
LOGI(" Found '%ls', adding", compareName);
|
|
}
|
|
fileNames += path.GetFileName();
|
|
fileNames += L"\\";
|
|
}
|
|
} else {
|
|
/* expected, for things like "Control Panels" or "My Network" */
|
|
LOGI(" No path for '%ls'",
|
|
(LPCTSTR) pList->GetItemText(num, 0));
|
|
}
|
|
}
|
|
|
|
if (fileNames.GetLength() >= (int)m_ofn.nMaxFile) {
|
|
LOGI("GLITCH: excessively long file name list");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
LOGI("Final result: names at %d, len=%d, str='%ls'",
|
|
fFileNameOffset, wcslen(fileNames), fileNames);
|
|
|
|
/*
|
|
* Null-terminate with extreme prejudice. Every filename should be
|
|
* separated with a null, and the last filename should be followed by
|
|
* two. Every component was followed by '\\', and the last one
|
|
* naturally has a null, so we should be in great shape after this.
|
|
*
|
|
* Could probably have done it entirely with CString, but I'm not sure
|
|
* how CStrings react to buffers with multiple null-terminated
|
|
* sub-strings.
|
|
*/
|
|
ASSERT(fFileNames != m_ofn.lpstrFile);
|
|
delete[] fFileNames;
|
|
fFileNames = wcsdup(fileNames);
|
|
WCHAR* cp = fFileNames;
|
|
cp += fFileNameOffset-1;
|
|
while (*cp != '\0') {
|
|
if (*cp == '\\')
|
|
*cp = '\0';
|
|
cp++;
|
|
}
|
|
//fileNames.ReleaseBuffer(-1);
|
|
|
|
fExitStatus = IDOK;
|
|
CDialog* pDialog = (CDialog*) GetParent();
|
|
pDialog->EndDialog(IDCANCEL);
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* User hit our cancel button.
|
|
*/
|
|
void
|
|
SelectFilesDialog::MyOnCancel(void)
|
|
{
|
|
fExitStatus = IDCANCEL;
|
|
CDialog* pDialog = (CDialog*) GetParent();
|
|
pDialog->EndDialog(IDCANCEL);
|
|
}
|
|
|
|
/*
|
|
* Clear the filename field.
|
|
*/
|
|
void
|
|
SelectFilesDialog::ClearFileName(void)
|
|
{
|
|
CWnd* pWnd = GetParent()->GetDlgItem(edt1);
|
|
if (pWnd != NULL)
|
|
pWnd->SetWindowText(L"");
|
|
}
|