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werner |
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/* wptProgressDlg.cpp - Support for the GPG progress status |
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* Copyright (C) 2003, 2004, 2005 Timo Schulz |
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* |
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* This file is part of WinPT. |
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* |
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* WinPT is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* WinPT is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with WinPT; if not, write to the Free Software Foundation, |
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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*/ |
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#ifdef HAVE_CONFIG_H |
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#include <config.h> |
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#endif |
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#include <windows.h> |
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#include <commctrl.h> |
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werner |
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#include "resource.h" |
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werner |
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#include "wptGPG.h" |
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#include "wptTypes.h" |
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#include "wptCommonCtl.h" |
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#include "wptW32API.h" |
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#include "wptContext.h" |
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#include "wptVersion.h" |
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#include "wptErrors.h" |
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twoaday |
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/* It is not possible that there are two instance of a progress |
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thread, thus we use a 'const' handle for external synchronisation. */ |
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static HANDLE curr_thread = NULL; |
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werner |
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/* Dialog procedure to show the progress of an operation. */ |
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static BOOL CALLBACK |
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progress_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam) |
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{ |
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twoaday |
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static progress_filter_s *pfx = NULL; |
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werner |
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switch (msg) { |
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case WM_INITDIALOG: |
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pfx = (struct progress_filter_s *)lparam; |
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if (!pfx) |
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BUG (0); |
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pfx->dlg = dlg; |
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SendDlgItemMessage (dlg, IDC_PROGRESS_BAR, |
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PBM_SETRANGE, 0, MAKELPARAM (0, 100)); |
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SetDlgItemInt (pfx->dlg, IDC_PROGRESS_TOTAL, pfx->total, FALSE); |
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SetDlgItemInt (pfx->dlg, IDC_PROGRESS_CURR, pfx->curr, FALSE); |
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SetDlgItemText (pfx->dlg, IDC_PROGRESS_WHAT, pfx->what); |
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center_window2 (dlg, NULL, HWND_TOPMOST); |
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center_window (dlg, NULL); |
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SetForegroundWindow (dlg); |
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return TRUE; |
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} |
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return FALSE; |
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} |
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/* Thread to start the progress dialog. |
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@opaque contains the context for the dialog. */ |
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static DWORD WINAPI |
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progress_cb_thread (void *opaque) |
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{ |
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struct progress_filter_s *pfx = (struct progress_filter_s *)opaque; |
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DialogBoxParam (glob_hinst, (LPCTSTR)IDD_WINPT_PROGRESS, |
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pfx? pfx->hwnd : GetActiveWindow (), |
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progress_dlg_proc, (LPARAM)opaque); |
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ExitThread (0); |
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return TRUE; |
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} |
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/* Close the progress dialog (if still open) and close all handles in @pfx. */ |
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void |
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progress_cleanup (progress_filter_s *pfx) |
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{ |
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if (!pfx) |
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return; |
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if (pfx->dlg) { |
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EndDialog (pfx->dlg, TRUE); |
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pfx->dlg = NULL; |
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} |
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if (pfx->thread_hd) { |
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CloseHandle (pfx->thread_hd); |
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pfx->thread_hd = NULL; |
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} |
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twoaday |
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curr_thread = NULL; |
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werner |
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pfx->curr = 0; |
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pfx->total = 0; |
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pfx->error = 0; |
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twoaday |
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memset (pfx, 0, sizeof *pfx); |
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werner |
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} |
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twoaday |
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/* Wait until the progress thread terminates. */ |
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void |
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wait_for_progress_cb (void) |
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{ |
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if (!curr_thread) |
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return; |
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WaitForSingleObject (curr_thread, INFINITE); |
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} |
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werner |
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/* Generic callback for operations with a progress bar. */ |
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void |
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progress_callback (void *opaque, const char *what, int type, int off, int max) |
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{ |
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struct progress_filter_s *pfx = (struct progress_filter_s *)opaque; |
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DWORD tid; |
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log_debug ("progress enter %d %d\r\n", off, max); |
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if (!pfx || pfx->error) |
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return; |
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if (what) |
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pfx->what = what; |
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pfx->curr = off; |
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pfx->total = max; |
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if (!off && !pfx->thread_hd) { |
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twoaday |
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pfx->thread_hd = CreateThread (NULL, 0, progress_cb_thread, |
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(void *)pfx, 0, &tid); |
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werner |
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if (!pfx->thread_hd) { |
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msg_box (NULL, _("Could not create progress thread."), _("WinPT"), MB_ERR); |
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pfx->error = 1; |
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return; |
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} |
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twoaday |
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curr_thread = pfx->thread_hd; |
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werner |
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log_debug ("progress_callback: started thread %08lX\r\n", tid); |
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} |
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else if (pfx->dlg != NULL) { |
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size_t n = pfx->curr * 100 / pfx->total; |
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twoaday |
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SendDlgItemMessage (pfx->dlg, IDC_PROGRESS_BAR, |
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PBM_SETPOS, (WPARAM)n, 0); |
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werner |
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SetDlgItemInt (pfx->dlg, IDC_PROGRESS_CURR, pfx->curr, FALSE); |
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} |
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twoaday |
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if (off >= max) |
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werner |
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progress_cleanup (pfx); |
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} |
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