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/* wptW32API.cpp - Common W32 API functions |
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* Copyright (C) 2001, 2002, 2003 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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|
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#include <windows.h> |
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#include <stdio.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <shellapi.h> |
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#include <shlobj.h> |
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#include <commctrl.h> |
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|
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#include "wptNLS.h" |
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#include "wptW32API.h" |
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#include "wptErrors.h" |
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#include "wptVersion.h" |
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#include "wptTypes.h" |
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|
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|
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extern "C" void _SHFree (void *p); |
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|
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/* The the text of a menu item. */ |
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void |
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set_menu_text (HMENU menu, int m_uid, const char *text) |
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{ |
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MENUITEMINFO mii; |
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char menu_text[80]; |
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|
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memset (&mii, 0, sizeof (mii)); |
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mii.cbSize = sizeof (mii); |
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mii.fMask = MIIM_TYPE; |
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mii.dwTypeData = menu_text; |
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mii.cch = sizeof (menu_text); |
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GetMenuItemInfo (menu, m_uid, FALSE, &mii); |
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|
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memset (&mii, 0, sizeof mii); |
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mii.cbSize = sizeof mii; |
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mii.fMask = MIIM_TYPE; |
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mii.fType = MFT_STRING; |
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mii.dwTypeData = (char *) text; |
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SetMenuItemInfo (menu, m_uid, FALSE, &mii); |
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} /* set_menu_text */ |
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|
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|
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void |
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set_menu_state (HMENU menu, int m_uid, int state) |
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{ |
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MENUITEMINFO mii; |
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|
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memset( &mii, 0, sizeof (mii) ); |
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mii.cbSize = sizeof (mii); |
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mii.fMask = MIIM_STATE; |
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mii.fState = state; |
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SetMenuItemInfo (menu, m_uid, FALSE, &mii); |
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} /* set_menu_state */ |
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|
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|
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/* Use the common dialog to request a file from the user. |
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id can be either FILE_OPEN or FILE_SAVE. |
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The return value is the file name or NULL if cancel was chosen. */ |
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const char * |
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get_filename_dlg (HWND hwnd, int id, const char * title, |
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const char * filter, const char * name) |
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{ |
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static char file[512] = ""; |
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OPENFILENAME open; |
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|
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if (name && strlen (name) < (sizeof (file)-1)) |
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strcpy (file, name); |
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else |
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memset (file, 0, sizeof (file)); |
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if (!filter) |
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filter = _("All Files (*.*)\0*.*\0\0"); |
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memset (&open, 0, sizeof (open)); |
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open.lStructSize = sizeof (OPENFILENAME); |
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open.hInstance = glob_hinst; |
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open.lpstrTitle = title; |
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open.lpstrFilter = filter; |
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open.hwndOwner = hwnd; |
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open.lpstrFile = file; |
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open.nMaxFile = sizeof (file) - 1; |
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if (id == FILE_OPEN) |
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open.Flags = OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST; |
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else |
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open.Flags = OFN_OVERWRITEPROMPT; |
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|
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if (id == FILE_OPEN && GetOpenFileName (&open)) |
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return open.lpstrFile; |
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else if (id == FILE_SAVE && GetSaveFileName (&open)) |
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return open.lpstrFile; |
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|
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return NULL; |
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} |
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|
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/* Use the common dialog to allow the user to select a folder. |
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The return value is either the folder path or NULL if cancel was chosen. */ |
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const char* |
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get_folder_dlg (HWND hwnd, const char * title, const char * name) |
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{ |
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static char folder[MAX_PATH+1] = ""; |
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BROWSEINFO bi; |
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ITEMIDLIST * il; |
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|
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memset (&bi, 0, sizeof (bi)); |
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bi.hwndOwner = hwnd; |
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if (title) |
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bi.lpszTitle = title; |
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if (name && strlen (name) < MAX_PATH-1) |
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strcpy (folder, name); |
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else |
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memset (folder, 0, sizeof (folder)); |
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il = SHBrowseForFolder (&bi); |
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if (il) { |
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SHGetPathFromIDList (il, folder); |
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_SHFree (il); |
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return folder; |
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} |
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return NULL; |
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} |
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|
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|
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/* Return the clipboard contents as a string or NULL |
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if the clipboard does not contain text. */ |
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char* |
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get_clip_text (HWND hwnd) |
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{ |
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HANDLE clipmem; |
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char *cliptxt, *p; |
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int len; |
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|
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if (OpenClipboard (hwnd) == FALSE) |
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return NULL; |
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clipmem = GetClipboardData (CF_TEXT); |
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if (clipmem == NULL) { |
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p = NULL; |
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goto leave; |
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} |
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cliptxt = (char *) GlobalLock (clipmem); |
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if (cliptxt == NULL) { |
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p = NULL; |
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goto leave; |
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} |
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|
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len = strlen (cliptxt); |
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p = new char[len + 1]; |
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if (!p) |
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BUG (NULL); |
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memcpy (p, cliptxt, len); |
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p[len] = '\0'; |
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GlobalUnlock (clipmem); |
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|
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leave: |
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CloseClipboard (); |
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return p; |
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} |
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|
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|
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/* Set the the given text to the clipboard. */ |
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int |
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set_clip_text (HWND hwnd, const char *text, int nbytes) |
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{ |
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HANDLE clipmem; |
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int rc = 0; |
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char *p; |
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|
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if (OpenClipboard (hwnd) == FALSE) |
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return WPTERR_CLIP_OPEN; |
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EmptyClipboard (); |
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|
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clipmem = GlobalAlloc (GHND, nbytes + 1); |
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if (clipmem == NULL) |
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BUG (NULL); |
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p = (char *) GlobalLock (clipmem); |
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if (p == NULL) { |
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rc = WPTERR_GENERAL;; |
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goto leave; |
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} |
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memcpy (p, text, nbytes); |
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p[nbytes] = '\0'; |
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|
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GlobalUnlock (clipmem); |
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SetClipboardData (CF_TEXT, clipmem); |
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|
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leave: |
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CloseClipboard (); |
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return rc; |
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} /* set_clip_text */ |
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|
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|
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/* Append or prepend some text to the clipboard contents. |
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If as_footer = 1, append the text otherwise prepend. */ |
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int |
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set_clip_text2 (HWND hwnd, const char *text, int nbytes, int as_footer) |
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{ |
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char *p, *new_text; |
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|
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p = get_clip_text (hwnd); |
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if (!p) |
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return WPTERR_CLIP_GET; |
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new_text = new char [strlen (p)+strlen (text)+8]; |
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if (!new_text) |
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BUG (0); |
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if (as_footer == 0) |
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sprintf (new_text, "%s\r\n%s\r\n\r\n", text, p); |
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else |
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sprintf (new_text, "%s\n%s\n\n", p, text); |
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set_clip_text (hwnd, new_text, strlen (new_text)+1); |
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free_if_alloc (p); |
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free_if_alloc (new_text); |
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return 0; |
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} |
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|
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|
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/* Make a file name out of the path, the file and an extension. */ |
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char* |
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make_filename (const char *path, const char *file, const char *ext) |
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{ |
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char *p; |
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size_t size = 0; |
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|
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if( path && *path ) |
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size += strlen( path ); |
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if( file && *file ) |
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size += strlen( file ); |
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if( ext && *ext ) |
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size += strlen( ext ); |
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p = new char[size + 4]; |
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memset( p, 0, size ); |
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if( path ) { |
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strcat( p, path ); |
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if( path[strlen( path ) -1] != '\\' ) |
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strcat( p, "\\" ); |
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} |
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if( file ) |
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strcat( p, file ); |
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if( ext ) { |
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strcat( p, "." ); |
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strcat( p, ext ); |
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} |
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return p; |
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} /* make_filename */ |
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|
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|
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/* return 0 if it exists, otherwise >0. */ |
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int |
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file_exist_check (const char * fname) |
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{ |
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struct stat st; |
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if (stat (fname, &st) == -1) |
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return WPTERR_FILE_EXIST; |
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return 0; |
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} |
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|
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|
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/* Check if the current folder exists. |
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Return 0 for success. */ |
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int |
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dir_exist_check (const char *dir) |
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{ |
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struct stat statbuf; |
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|
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if( stat( dir, &statbuf ) == -1 ) |
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return WPTERR_GENERAL; |
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if( statbuf.st_mode & _S_IFDIR ) |
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return 0; |
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return WPTERR_GENERAL; |
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} |
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|
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|
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/* Return the file size of the given file. */ |
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size_t |
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get_file_size (const char *fname) |
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{ |
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size_t fsize; |
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HANDLE fh; |
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|
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fh = CreateFile( fname, GENERIC_READ, FILE_SHARE_READ, |
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NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); |
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if( fh == INVALID_HANDLE_VALUE ) |
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return 0; |
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fsize = GetFileSize( fh, NULL ); |
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if( fsize == 0xFFFFFFFF ) |
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fsize = 0; |
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CloseHandle( fh ); |
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return fsize; |
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} /* get_file_size */ |
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|
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|
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int |
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init_file_lock( LOCK *ctx, const char *file ) |
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{ |
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|
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ctx->size = get_file_size( file ); |
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ctx->file = m_strdup( file ); |
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ctx->fh = CreateFile( file, GENERIC_READ, FILE_SHARE_READ, NULL, |
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OPEN_ALWAYS, 0, NULL ); |
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if( ctx->fh == INVALID_HANDLE_VALUE ) |
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return WPTERR_GENERAL; |
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if( LockFile( ctx->fh, 0, 0, ctx->size, 0 ) == FALSE ) { |
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CloseHandle( ctx->fh ); |
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ctx->fh = INVALID_HANDLE_VALUE; |
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ctx->size = 0; |
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free( ctx->file ); |
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return WPTERR_GENERAL; |
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} |
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return 0; |
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} /* init_file_lock */ |
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|
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|
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void |
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release_file_lock( LOCK *ctx ) |
| 328 |
{ |
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free_if_alloc( ctx->file ); |
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ctx->file = NULL; |
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ctx->size = 0; |
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CloseHandle( ctx->fh ); |
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} /* release_file_lock */ |
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|
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|
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/* Start a dialog with the exception that before it is checked that the |
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dialog is not already openened. */ |
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int |
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dialog_box_param( HINSTANCE hinst, LPCTSTR name, HWND parent, DLGPROC fnc, |
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LPARAM param, LPCTSTR title, int title_id ) |
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{ |
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#ifndef LANG_DE |
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if( FindWindowEx( GetDesktopWindow(), NULL, NULL, title ) ) |
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return -1; |
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#else |
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char strdesc[256]; |
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LoadString( glob_hinst, title_id, strdesc, sizeof (strdesc) -1 ); |
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if( FindWindowEx( GetDesktopWindow(), NULL, NULL, strdesc ) ) |
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return -1; |
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#endif |
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|
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return DialogBoxParam( hinst, name, parent, fnc, param ); |
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} /* dialog_box_param */ |
| 354 |
|
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|
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/* Wrapper for message box which forces the message box into the |
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foreground and it is displayed always on top. */ |
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int |
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msg_box (HWND hwnd, const char *text, const char *title, int mode) |
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{ |
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mode |= MB_SETFOREGROUND; |
| 362 |
mode |= MB_TASKMODAL; |
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mode |= MB_TOPMOST; |
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return MessageBox(hwnd, text, title, mode); |
| 365 |
} |
| 366 |
|
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|
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void |
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set_active_window( HWND dlg) |
| 370 |
{ |
| 371 |
activ_hwnd = dlg; |
| 372 |
} /* set_active_window */ |
| 373 |
|
| 374 |
void |
| 375 |
reset_active_window( void ) |
| 376 |
{ |
| 377 |
activ_hwnd = NULL; |
| 378 |
} /* reset_active_window */ |
| 379 |
|
| 380 |
|
| 381 |
static DWORD CALLBACK |
| 382 |
reminder_thread (void *ctx) |
| 383 |
{ |
| 384 |
reminder_ctx_s *c = (reminder_ctx_s *)ctx; |
| 385 |
|
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Sleep( c->msecs ); |
| 387 |
SetForegroundWindow( activ_hwnd ); |
| 388 |
|
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return 0; |
| 390 |
} /* reminder_thread */ |
| 391 |
|
| 392 |
|
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HANDLE |
| 394 |
window_reminder( struct reminder_ctx_s *ctx ) |
| 395 |
{ |
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DWORD tid = 0; |
| 397 |
|
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return CreateThread( NULL, 0, reminder_thread, ctx, 0, &tid ); |
| 399 |
} /* window_reminder */ |
| 400 |
|
| 401 |
|
| 402 |
char* |
| 403 |
m_strdup (const char *str) |
| 404 |
{ |
| 405 |
char * p = new char[strlen (str) + 1]; |
| 406 |
if (p) |
| 407 |
strcpy (p, str); |
| 408 |
return p; |
| 409 |
} /* m_strdup */ |
| 410 |
|
| 411 |
|
| 412 |
/* Center the hwndChild relative to parent. |
| 413 |
The style param allows to specificy additional styles (like topmost). */ |
| 414 |
void |
| 415 |
center_window2 (HWND hwndChild, HWND parent, HWND style) |
| 416 |
{ |
| 417 |
HWND hwndParent; |
| 418 |
RECT rChild, rParent; |
| 419 |
HDC hdc; |
| 420 |
int wChild, hChild, wParent, hParent; |
| 421 |
int wScreen, hScreen, xNew, yNew; |
| 422 |
int flags = SWP_NOSIZE | SWP_NOZORDER; |
| 423 |
|
| 424 |
hwndParent = parent; |
| 425 |
if (hwndParent == NULL) |
| 426 |
hwndParent = GetDesktopWindow (); |
| 427 |
GetWindowRect (hwndChild, &rChild); |
| 428 |
wChild = rChild.right - rChild.left; |
| 429 |
hChild = rChild.bottom - rChild.top; |
| 430 |
|
| 431 |
GetWindowRect (hwndParent, &rParent); |
| 432 |
wParent = rParent.right - rParent.left; |
| 433 |
hParent = rParent.bottom - rParent.top; |
| 434 |
|
| 435 |
hdc = GetDC (hwndChild); |
| 436 |
wScreen = GetDeviceCaps (hdc, HORZRES); |
| 437 |
hScreen = GetDeviceCaps (hdc, VERTRES); |
| 438 |
ReleaseDC (hwndChild, hdc); |
| 439 |
xNew = rParent.left + ((wParent - wChild) /2); |
| 440 |
if (xNew < 0) |
| 441 |
xNew = 0; |
| 442 |
else if ((xNew+wChild) > wScreen) |
| 443 |
xNew = wScreen - wChild; |
| 444 |
yNew = rParent.top + ((hParent - hChild) /2); |
| 445 |
if (yNew < 0) |
| 446 |
yNew = 0; |
| 447 |
else if ((yNew+hChild) > hScreen) |
| 448 |
yNew = hScreen - hChild; |
| 449 |
if (style == HWND_TOPMOST || style == HWND_NOTOPMOST) |
| 450 |
flags = SWP_NOMOVE | SWP_NOSIZE; |
| 451 |
SetWindowPos (hwndChild, style? style : NULL, xNew, yNew, 0, 0, flags); |
| 452 |
} |
| 453 |
|
| 454 |
|
| 455 |
/* Center the given hwndChild window with no special style. */ |
| 456 |
void |
| 457 |
center_window (HWND hwndChild, HWND hwndParent) |
| 458 |
{ |
| 459 |
center_window2 (hwndChild, hwndParent, NULL); |
| 460 |
} |
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