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Sweden-Number/programs/wordpad/registry.c

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/*
* Wordpad implementation - Registry functions
*
* Copyright 2007 by Alexander N. Sørnes <alex@thehandofagony.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <windows.h>
#include <shlobj.h>
#include <richedit.h>
#include "wordpad.h"
static const WCHAR key_recentfiles[] = {'R','e','c','e','n','t',' ','f','i','l','e',
' ','l','i','s','t',0};
static const WCHAR key_options[] = {'O','p','t','i','o','n','s',0};
static const WCHAR key_settings[] = {'S','e','t','t','i','n','g','s',0};
static const WCHAR key_rtf[] = {'R','T','F',0};
static const WCHAR key_text[] = {'T','e','x','t',0};
static const WCHAR var_file[] = {'F','i','l','e','%','d',0};
static const WCHAR var_framerect[] = {'F','r','a','m','e','R','e','c','t',0};
static const WCHAR var_barstate0[] = {'B','a','r','S','t','a','t','e','0',0};
static const WCHAR var_wrap[] = {'W','r','a','p',0};
static const WCHAR var_maximized[] = {'M','a','x','i','m','i','z','e','d',0};
static LRESULT registry_get_handle(HKEY *hKey, LPDWORD action, LPCWSTR subKey)
{
LONG ret;
static const WCHAR wszProgramKey[] = {'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'A','p','p','l','e','t','s','\\',
'W','o','r','d','p','a','d',0};
LPWSTR key = (LPWSTR)wszProgramKey;
if(subKey)
{
WCHAR backslash[] = {'\\',0};
key = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
(lstrlenW(wszProgramKey)+lstrlenW(subKey)+lstrlenW(backslash)+1)
*sizeof(WCHAR));
if(!key)
return 1;
lstrcpyW(key, wszProgramKey);
lstrcatW(key, backslash);
lstrcatW(key, subKey);
}
if(action)
{
ret = RegCreateKeyExW(HKEY_CURRENT_USER, key, 0, NULL, REG_OPTION_NON_VOLATILE,
KEY_READ | KEY_WRITE, NULL, hKey, action);
} else
{
ret = RegOpenKeyExW(HKEY_CURRENT_USER, key, 0, KEY_READ | KEY_WRITE, hKey);
}
if(subKey)
HeapFree(GetProcessHeap(), 0, key);
return ret;
}
void registry_set_options(HWND hMainWnd)
{
HKEY hKey = 0;
DWORD action;
if(registry_get_handle(&hKey, &action, key_options) == ERROR_SUCCESS)
{
WINDOWPLACEMENT wp;
DWORD isMaximized;
wp.length = sizeof(WINDOWPLACEMENT);
GetWindowPlacement(hMainWnd, &wp);
isMaximized = (wp.showCmd == SW_SHOWMAXIMIZED);
RegSetValueExW(hKey, var_framerect, 0, REG_BINARY, (LPBYTE)&wp.rcNormalPosition, sizeof(RECT));
RegSetValueExW(hKey, var_maximized, 0, REG_DWORD, (LPBYTE)&isMaximized, sizeof(DWORD));
registry_set_pagemargins(hKey);
RegCloseKey(hKey);
}
if(registry_get_handle(&hKey, &action, key_settings) == ERROR_SUCCESS)
{
registry_set_previewpages(hKey);
RegCloseKey(hKey);
}
}
void registry_read_winrect(RECT* rc)
{
HKEY hKey = 0;
DWORD size = sizeof(RECT);
if(registry_get_handle(&hKey, 0, key_options) != ERROR_SUCCESS ||
RegQueryValueExW(hKey, var_framerect, 0, NULL, (LPBYTE)rc, &size) !=
ERROR_SUCCESS || size != sizeof(RECT))
{
rc->top = 0;
rc->left = 0;
rc->bottom = 300;
rc->right = 600;
}
RegCloseKey(hKey);
}
void registry_read_maximized(DWORD *bMaximized)
{
HKEY hKey = 0;
DWORD size = sizeof(DWORD);
if(registry_get_handle(&hKey, 0, key_options) != ERROR_SUCCESS ||
RegQueryValueExW(hKey, var_maximized, 0, NULL, (LPBYTE)bMaximized, &size) !=
ERROR_SUCCESS || size != sizeof(DWORD))
{
*bMaximized = FALSE;
}
RegCloseKey(hKey);
}
static void truncate_path(LPWSTR file, LPWSTR out, LPWSTR pos1, LPWSTR pos2)
{
static const WCHAR dots[] = {'.','.','.',0};
*++pos1 = 0;
lstrcatW(out, file);
lstrcatW(out, dots);
lstrcatW(out, pos2);
}
static void format_filelist_filename(LPWSTR file, LPWSTR out)
{
LPWSTR pos_basename;
LPWSTR truncpos1, truncpos2;
WCHAR myDocs[MAX_PATH];
SHGetFolderPathW(NULL, CSIDL_PERSONAL, NULL, SHGFP_TYPE_CURRENT, myDocs);
pos_basename = file_basename(file);
truncpos1 = NULL;
truncpos2 = NULL;
*(pos_basename-1) = 0;
if(!lstrcmpiW(file, myDocs) || (lstrlenW(pos_basename) > FILELIST_ENTRY_LENGTH))
{
truncpos1 = pos_basename;
*(pos_basename-1) = '\\';
} else
{
LPWSTR pos;
BOOL morespace = FALSE;
*(pos_basename-1) = '\\';
for(pos = file; pos < pos_basename; pos++)
{
if(*pos == '\\' || *pos == '/')
{
if(truncpos1)
{
if((pos - file + lstrlenW(pos_basename)) > FILELIST_ENTRY_LENGTH)
break;
truncpos1 = pos;
morespace = TRUE;
break;
}
if((pos - file + lstrlenW(pos_basename)) > FILELIST_ENTRY_LENGTH)
break;
truncpos1 = pos;
}
}
if(morespace)
{
for(pos = pos_basename; pos >= truncpos1; pos--)
{
if(*pos == '\\' || *pos == '/')
{
if((truncpos1 - file + lstrlenW(pos_basename) + pos_basename - pos) > FILELIST_ENTRY_LENGTH)
break;
truncpos2 = pos;
}
}
}
}
if(truncpos1 == pos_basename)
lstrcatW(out, pos_basename);
else if(truncpos1 == truncpos2 || !truncpos2)
lstrcatW(out, file);
else
truncate_path(file, out, truncpos1, truncpos2);
}
void registry_read_filelist(HWND hMainWnd)
{
HKEY hFileKey;
if(registry_get_handle(&hFileKey, 0, key_recentfiles) == ERROR_SUCCESS)
{
WCHAR itemText[MAX_PATH+3], buffer[MAX_PATH];
/* The menu item name is not the same as the file name, so we need to store
the file name here */
static WCHAR file1[MAX_PATH], file2[MAX_PATH], file3[MAX_PATH], file4[MAX_PATH];
WCHAR numFormat[] = {'&','%','d',' ',0};
LPWSTR pFile[] = {file1, file2, file3, file4};
DWORD pathSize = MAX_PATH*sizeof(WCHAR);
int i;
WCHAR key[6];
MENUITEMINFOW mi;
HMENU hMenu = GetMenu(hMainWnd);
mi.cbSize = sizeof(MENUITEMINFOW);
mi.fMask = MIIM_ID | MIIM_DATA | MIIM_STRING | MIIM_FTYPE;
mi.fType = MFT_STRING;
mi.dwTypeData = itemText;
mi.wID = ID_FILE_RECENT1;
RemoveMenu(hMenu, ID_FILE_RECENT_SEPARATOR, MF_BYCOMMAND);
for(i = 0; i < FILELIST_ENTRIES; i++)
{
wsprintfW(key, var_file, i+1);
RemoveMenu(hMenu, ID_FILE_RECENT1+i, MF_BYCOMMAND);
if(RegQueryValueExW(hFileKey, (LPWSTR)key, 0, NULL, (LPBYTE)pFile[i], &pathSize)
!= ERROR_SUCCESS)
break;
mi.dwItemData = (ULONG_PTR)pFile[i];
wsprintfW(itemText, numFormat, i+1);
lstrcpyW(buffer, pFile[i]);
format_filelist_filename(buffer, itemText);
InsertMenuItemW(hMenu, ID_FILE_EXIT, FALSE, &mi);
mi.wID++;
pathSize = MAX_PATH*sizeof(WCHAR);
}
mi.fType = MFT_SEPARATOR;
mi.fMask = MIIM_FTYPE | MIIM_ID;
InsertMenuItemW(hMenu, ID_FILE_EXIT, FALSE, &mi);
RegCloseKey(hFileKey);
}
}
void registry_set_filelist(LPCWSTR newFile, HWND hMainWnd)
{
HKEY hKey;
DWORD action;
if(registry_get_handle(&hKey, &action, key_recentfiles) == ERROR_SUCCESS)
{
LPCWSTR pFiles[FILELIST_ENTRIES];
int i;
HMENU hMenu = GetMenu(hMainWnd);
MENUITEMINFOW mi;
WCHAR buffer[6];
mi.cbSize = sizeof(MENUITEMINFOW);
mi.fMask = MIIM_DATA;
for(i = 0; i < FILELIST_ENTRIES; i++)
pFiles[i] = NULL;
for(i = 0; GetMenuItemInfoW(hMenu, ID_FILE_RECENT1+i, FALSE, &mi); i++)
pFiles[i] = (LPWSTR)mi.dwItemData;
if(lstrcmpiW(newFile, pFiles[0]))
{
for(i = 0; i < FILELIST_ENTRIES && pFiles[i]; i++)
{
if(!lstrcmpiW(pFiles[i], newFile))
{
int j;
for(j = 0; pFiles[j] && j < i; j++)
{
pFiles[i-j] = pFiles[i-j-1];
}
pFiles[0] = NULL;
break;
}
}
if(!pFiles[0])
{
pFiles[0] = newFile;
} else
{
for(i = 0; i < FILELIST_ENTRIES-1; i++)
pFiles[FILELIST_ENTRIES-1-i] = pFiles[FILELIST_ENTRIES-2-i];
pFiles[0] = newFile;
}
for(i = 0; i < FILELIST_ENTRIES && pFiles[i]; i++)
{
wsprintfW(buffer, var_file, i+1);
RegSetValueExW(hKey, (LPWSTR)&buffer, 0, REG_SZ, (const BYTE*)pFiles[i],
(lstrlenW(pFiles[i])+1)*sizeof(WCHAR));
}
}
RegCloseKey(hKey);
}
registry_read_filelist(hMainWnd);
}
int reg_formatindex(WPARAM format)
{
return (format & SF_TEXT) ? 1 : 0;
}
void registry_read_options(void)
{
HKEY hKey;
if(registry_get_handle(&hKey, 0, key_options) != ERROR_SUCCESS)
registry_read_pagemargins(NULL);
else
{
registry_read_pagemargins(hKey);
RegCloseKey(hKey);
}
if(registry_get_handle(&hKey, 0, key_settings) != ERROR_SUCCESS) {
registry_read_previewpages(NULL);
} else {
registry_read_previewpages(hKey);
RegCloseKey(hKey);
}
}
static void registry_read_formatopts(int index, LPCWSTR key, DWORD barState[], DWORD wordWrap[])
{
HKEY hKey;
DWORD action = 0;
BOOL fetched = FALSE;
barState[index] = 0;
wordWrap[index] = 0;
if(registry_get_handle(&hKey, &action, key) != ERROR_SUCCESS)
return;
if(action == REG_OPENED_EXISTING_KEY)
{
DWORD size = sizeof(DWORD);
if(RegQueryValueExW(hKey, var_barstate0, 0, NULL, (LPBYTE)&barState[index],
&size) == ERROR_SUCCESS)
fetched = TRUE;
}
if(!fetched)
barState[index] = (1 << BANDID_TOOLBAR) | (1 << BANDID_FORMATBAR) | (1 << BANDID_RULER) | (1 << BANDID_STATUSBAR);
fetched = FALSE;
if(action == REG_OPENED_EXISTING_KEY)
{
DWORD size = sizeof(DWORD);
if(RegQueryValueExW(hKey, var_wrap, 0, NULL, (LPBYTE)&wordWrap[index],
&size) == ERROR_SUCCESS)
fetched = TRUE;
}
if (!fetched)
{
if(index == reg_formatindex(SF_RTF))
wordWrap[index] = ID_WORDWRAP_WINDOW;
else if(index == reg_formatindex(SF_TEXT))
wordWrap[index] = ID_WORDWRAP_NONE;
}
RegCloseKey(hKey);
}
void registry_read_formatopts_all(DWORD barState[], DWORD wordWrap[])
{
registry_read_formatopts(reg_formatindex(SF_RTF), key_rtf, barState, wordWrap);
registry_read_formatopts(reg_formatindex(SF_TEXT), key_text, barState, wordWrap);
}
static void registry_set_formatopts(int index, LPCWSTR key, DWORD barState[], DWORD wordWrap[])
{
HKEY hKey;
DWORD action = 0;
if(registry_get_handle(&hKey, &action, key) == ERROR_SUCCESS)
{
RegSetValueExW(hKey, var_barstate0, 0, REG_DWORD, (LPBYTE)&barState[index],
sizeof(DWORD));
RegSetValueExW(hKey, var_wrap, 0, REG_DWORD, (LPBYTE)&wordWrap[index],
sizeof(DWORD));
RegCloseKey(hKey);
}
}
void registry_set_formatopts_all(DWORD barState[], DWORD wordWrap[])
{
registry_set_formatopts(reg_formatindex(SF_RTF), key_rtf, barState, wordWrap);
registry_set_formatopts(reg_formatindex(SF_TEXT), key_text, barState, wordWrap);
}
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