Sweden-Number/programs/wordpad/wordpad.c

1028 lines
30 KiB
C

/*
* Wordpad implementation
*
* Copyright 2004 by Krzysztof Foltman
*
* 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
*/
#define WIN32_LEAN_AND_MEAN
#define _WIN32_IE 0x0400
#define MAX_STRING_LEN 255
#include <stdarg.h>
#include <ctype.h>
#include <stdio.h>
#include <assert.h>
#include <windows.h>
#include <richedit.h>
#include <commctrl.h>
#include <commdlg.h>
#include "resource.h"
/* use LoadString */
static const WCHAR xszAppTitle[] = {'W','i','n','e',' ','W','o','r','d','p','a','d',0};
static const WCHAR xszMainMenu[] = {'M','A','I','N','M','E','N','U',0};
static const WCHAR wszRichEditClass[] = {'R','I','C','H','E','D','I','T','2','0','W',0};
static const WCHAR wszMainWndClass[] = {'W','O','R','D','P','A','D','T','O','P',0};
static const WCHAR wszAppTitle[] = {'W','i','n','e',' ','W','o','r','d','p','a','d',0};
static HWND hMainWnd;
static HWND hEditorWnd;
static WCHAR wszFilter[MAX_STRING_LEN];
static WCHAR wszDefaultFileName[MAX_STRING_LEN];
static WCHAR wszSaveChanges[MAX_STRING_LEN];
static LRESULT OnSize( HWND hWnd, WPARAM wParam, LPARAM lParam );
/* Load string resources */
static void DoLoadStrings(void)
{
LPWSTR p = wszFilter;
static const WCHAR files_rtf[] = {'*','.','r','t','f','\0'};
static const WCHAR files_txt[] = {'*','.','t','x','t','\0'};
static const WCHAR files_all[] = {'*','.','*','\0'};
HINSTANCE hInstance = (HINSTANCE)GetWindowLongPtr(hMainWnd, GWLP_HINSTANCE);
LoadStringW(hInstance, STRING_RICHTEXT_FILES_RTF, p, MAX_STRING_LEN);
p += lstrlenW(p) + 1;
lstrcpyW(p, files_rtf);
p += lstrlenW(p) + 1;
LoadStringW(hInstance, STRING_TEXT_FILES_TXT, p, MAX_STRING_LEN);
p += lstrlenW(p) + 1;
lstrcpyW(p, files_txt);
p += lstrlenW(p) + 1;
LoadStringW(hInstance, STRING_ALL_FILES, p, MAX_STRING_LEN);
p += lstrlenW(p) + 1;
lstrcpyW(p, files_all);
p += lstrlenW(p) + 1;
*p = '\0';
p = wszDefaultFileName;
LoadStringW(hInstance, STRING_DEFAULT_FILENAME, p, MAX_STRING_LEN);
p = wszSaveChanges;
LoadStringW(hInstance, STRING_PROMPT_SAVE_CHANGES, p, MAX_STRING_LEN);
}
static void AddButton(HWND hwndToolBar, int nImage, int nCommand)
{
TBBUTTON button;
ZeroMemory(&button, sizeof(button));
button.iBitmap = nImage;
button.idCommand = nCommand;
button.fsState = TBSTATE_ENABLED;
button.fsStyle = TBSTYLE_BUTTON;
button.dwData = 0;
button.iString = -1;
SendMessageW(hwndToolBar, TB_ADDBUTTONSW, 1, (LPARAM)&button);
}
static void AddSeparator(HWND hwndToolBar)
{
TBBUTTON button;
ZeroMemory(&button, sizeof(button));
button.iBitmap = -1;
button.idCommand = 0;
button.fsState = 0;
button.fsStyle = TBSTYLE_SEP;
button.dwData = 0;
button.iString = -1;
SendMessageW(hwndToolBar, TB_ADDBUTTONSW, 1, (LPARAM)&button);
}
static DWORD CALLBACK stream_in(DWORD_PTR cookie, LPBYTE buffer, LONG cb, LONG *pcb)
{
HANDLE hFile = (HANDLE)cookie;
DWORD read;
if(!ReadFile(hFile, buffer, cb, &read, 0))
return 1;
*pcb = read;
return 0;
}
static DWORD CALLBACK stream_out(DWORD_PTR cookie, LPBYTE buffer, LONG cb, LONG *pcb)
{
DWORD written;
int ret;
HANDLE hFile = (HANDLE)cookie;
ret = WriteFile(hFile, buffer, cb, &written, 0);
if(!ret || (cb != written))
return 1;
*pcb = cb;
return 0;
}
static WCHAR wszFileName[MAX_PATH];
static void set_caption(LPCWSTR wszNewFileName)
{
static const WCHAR wszSeparator[] = {' ','-',' '};
WCHAR *wszCaption;
SIZE_T length = 0;
if(!wszNewFileName)
wszNewFileName = wszDefaultFileName;
wszCaption = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
lstrlenW(wszNewFileName)*sizeof(WCHAR)+sizeof(wszSeparator)+sizeof(wszAppTitle));
if(!wszCaption)
return;
memcpy(wszCaption, wszNewFileName, lstrlenW(wszNewFileName)*sizeof(WCHAR));
length += lstrlenW(wszNewFileName);
memcpy(wszCaption + length, wszSeparator, sizeof(wszSeparator));
length += sizeof(wszSeparator) / sizeof(WCHAR);
memcpy(wszCaption + length, wszAppTitle, sizeof(wszAppTitle));
SetWindowTextW(hMainWnd, wszCaption);
HeapFree(GetProcessHeap(), 0, wszCaption);
}
static void DoOpenFile(LPCWSTR szOpenFileName)
{
HANDLE hFile;
EDITSTREAM es;
hFile = CreateFileW(szOpenFileName, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
return;
es.dwCookie = (DWORD_PTR)hFile;
es.pfnCallback = stream_in;
/* FIXME: Handle different file formats */
SendMessageW(hEditorWnd, EM_STREAMIN, SF_RTF, (LPARAM)&es);
CloseHandle(hFile);
SetFocus(hEditorWnd);
set_caption(szOpenFileName);
lstrcpyW(wszFileName, szOpenFileName);
SendMessageW(hEditorWnd, EM_SETMODIFY, FALSE, 0);
}
static void DoSaveFile(LPCWSTR wszSaveFileName)
{
HANDLE hFile;
EDITSTREAM stream;
LRESULT ret;
hFile = CreateFileW(wszSaveFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL);
if(hFile == INVALID_HANDLE_VALUE)
return;
stream.dwCookie = (DWORD_PTR)hFile;
stream.pfnCallback = stream_out;
/* FIXME: Handle different formats */
ret = SendMessageW(hEditorWnd, EM_STREAMOUT, SF_RTF, (LPARAM)&stream);
CloseHandle(hFile);
SetFocus(hEditorWnd);
if(!ret)
return;
lstrcpyW(wszFileName, wszSaveFileName);
set_caption(wszFileName);
SendMessageW(hEditorWnd, EM_SETMODIFY, FALSE, 0);
}
static void DialogSaveFile(void)
{
OPENFILENAMEW sfn;
WCHAR wszFile[MAX_PATH] = {'\0'};
static const WCHAR wszDefExt[] = {'r','t','f','\0'};
ZeroMemory(&sfn, sizeof(sfn));
sfn.lStructSize = sizeof(sfn);
sfn.Flags = OFN_HIDEREADONLY | OFN_PATHMUSTEXIST;
sfn.hwndOwner = hMainWnd;
sfn.lpstrFilter = wszFilter;
sfn.lpstrFile = wszFile;
sfn.nMaxFile = MAX_PATH;
sfn.lpstrDefExt = wszDefExt;
if(!GetSaveFileNameW(&sfn))
return;
DoSaveFile(sfn.lpstrFile);
}
static BOOL prompt_save_changes(void)
{
if(!wszFileName[0])
{
GETTEXTLENGTHEX gt;
gt.flags = GTL_NUMCHARS;
gt.codepage = 1200;
if(!SendMessageW(hEditorWnd, EM_GETTEXTLENGTHEX, (WPARAM)&gt, 0))
return TRUE;
}
if(!SendMessageW(hEditorWnd, EM_GETMODIFY, 0, 0))
{
return TRUE;
} else
{
LPWSTR displayFileName;
WCHAR *text;
int ret;
if(!wszFileName[0])
displayFileName = wszDefaultFileName;
else
displayFileName = wszFileName;
text = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
(lstrlenW(displayFileName)+lstrlenW(wszSaveChanges))*sizeof(WCHAR));
if(!text)
return FALSE;
wsprintfW(text, wszSaveChanges, displayFileName);
ret = MessageBoxW(hMainWnd, text, wszAppTitle, MB_YESNOCANCEL | MB_ICONEXCLAMATION);
HeapFree(GetProcessHeap(), 0, text);
switch(ret)
{
case IDNO:
return TRUE;
break;
case IDYES:
if(wszFileName[0])
DoSaveFile(wszFileName);
else
DialogSaveFile();
return TRUE;
default:
return FALSE;
}
}
}
static void DialogOpenFile(void)
{
OPENFILENAMEW ofn;
WCHAR wszFile[MAX_PATH] = {'\0'};
static const WCHAR wszDefExt[] = {'r','t','f','\0'};
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.Flags = OFN_HIDEREADONLY | OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;
ofn.hwndOwner = hMainWnd;
ofn.lpstrFilter = wszFilter;
ofn.lpstrFile = wszFile;
ofn.nMaxFile = MAX_PATH;
ofn.lpstrDefExt = wszDefExt;
if(GetOpenFileNameW(&ofn))
{
prompt_save_changes();
DoOpenFile(ofn.lpstrFile);
}
}
static void HandleCommandLine(LPWSTR cmdline)
{
WCHAR delimiter;
int opt_print = 0;
/* skip white space */
while (*cmdline == ' ') cmdline++;
/* skip executable name */
delimiter = (*cmdline == '"' ? '"' : ' ');
if (*cmdline == delimiter) cmdline++;
while (*cmdline && *cmdline != delimiter) cmdline++;
if (*cmdline == delimiter) cmdline++;
while (*cmdline == ' ' || *cmdline == '-' || *cmdline == '/')
{
WCHAR option;
if (*cmdline++ == ' ') continue;
option = *cmdline;
if (option) cmdline++;
while (*cmdline == ' ') cmdline++;
switch (option)
{
case 'p':
case 'P':
opt_print = 1;
break;
}
}
if (*cmdline)
{
/* file name is passed on the command line */
if (cmdline[0] == '"')
{
cmdline++;
cmdline[lstrlenW(cmdline) - 1] = 0;
}
DoOpenFile(cmdline);
InvalidateRect(hMainWnd, NULL, FALSE);
}
if (opt_print)
MessageBox(hMainWnd, "Printing not implemented", "WordPad", MB_OK);
}
static void DoDefaultFont(void)
{
static const WCHAR szFaceName[] = {'T','i','m','e','s',' ','N','e','w',' ','R','o','m','a','n',0};
CHARFORMAT2W fmt;
ZeroMemory(&fmt, sizeof(fmt));
fmt.cbSize = sizeof(fmt);
fmt.dwMask = CFM_FACE | CFM_BOLD | CFM_ITALIC | CFM_UNDERLINE;
fmt.dwEffects = 0;
lstrcpyW(fmt.szFaceName, szFaceName);
SendMessageW(hEditorWnd, EM_SETCHARFORMAT, SCF_DEFAULT, (LPARAM)&fmt);
}
static void update_window(void)
{
RECT rect;
GetWindowRect(hMainWnd, &rect);
(void) OnSize(hMainWnd, SIZE_RESTORED, MAKELONG(rect.bottom, rect.right));
}
static void toggle_toolbar(int bandId)
{
HWND hwndReBar = GetDlgItem(hMainWnd, IDC_REBAR);
REBARBANDINFOW rbbinfo;
BOOL hide = TRUE;
if(!hwndReBar)
return;
rbbinfo.cbSize = sizeof(rbbinfo);
rbbinfo.fMask = RBBIM_STYLE | RBBIM_SIZE;
SendMessageW(hwndReBar, RB_GETBANDINFO, bandId, (LPARAM)&rbbinfo);
if(rbbinfo.fStyle & RBBS_HIDDEN)
hide = FALSE;
SendMessageW(hwndReBar, RB_SHOWBAND, bandId, hide ? 0 : 1);
if(bandId == BANDID_TOOLBAR)
{
rbbinfo.fMask ^= RBBIM_SIZE;
SendMessageW(hwndReBar, RB_GETBANDINFO, BANDID_FORMATBAR, (LPARAM)&rbbinfo);
if(hide)
rbbinfo.fStyle ^= RBBS_BREAK;
else
rbbinfo.fStyle |= RBBS_BREAK;
SendMessageW(hwndReBar, RB_SETBANDINFO, BANDID_FORMATBAR, (LPARAM)&rbbinfo);
}
}
static LRESULT OnCreate( HWND hWnd, WPARAM wParam, LPARAM lParam)
{
HWND hToolBarWnd, hFormatBarWnd, hReBarWnd;
HINSTANCE hInstance = (HINSTANCE)GetWindowLongPtr(hWnd, GWLP_HINSTANCE);
HANDLE hDLL;
TBADDBITMAP ab;
int nStdBitmaps = 0;
REBARINFO rbi;
REBARBANDINFOW rbb;
static const WCHAR wszRichEditDll[] = {'R','I','C','H','E','D','2','0','.','D','L','L','\0'};
static const WCHAR wszRichEditText[] = {'R','i','c','h','E','d','i','t',' ','t','e','x','t','\0'};
CreateStatusWindowW(CCS_NODIVIDER|WS_CHILD|WS_VISIBLE, wszRichEditText, hWnd, IDC_STATUSBAR);
hReBarWnd = CreateWindowExW(WS_EX_TOOLWINDOW, REBARCLASSNAMEW, NULL,
CCS_NODIVIDER|WS_CHILD|WS_VISIBLE|WS_CLIPSIBLINGS|WS_CLIPCHILDREN|RBS_VARHEIGHT|CCS_TOP,
CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, hWnd, (HMENU)IDC_REBAR, hInstance, NULL);
rbi.cbSize = sizeof(rbi);
rbi.fMask = 0;
rbi.himl = NULL;
if(!SendMessageW(hReBarWnd, RB_SETBARINFO, 0, (LPARAM)&rbi))
return -1;
hToolBarWnd = CreateToolbarEx(hReBarWnd, CCS_NOPARENTALIGN|CCS_NOMOVEY|WS_VISIBLE|WS_CHILD|TBSTYLE_TOOLTIPS|TBSTYLE_BUTTON,
IDC_TOOLBAR,
0, hInstance, 0,
NULL, 0,
24, 24, 16, 16, sizeof(TBBUTTON));
ab.hInst = HINST_COMMCTRL;
ab.nID = IDB_STD_SMALL_COLOR;
nStdBitmaps = SendMessageW(hToolBarWnd, TB_ADDBITMAP, 0, (LPARAM)&ab);
AddButton(hToolBarWnd, nStdBitmaps+STD_FILENEW, ID_FILE_NEW);
AddButton(hToolBarWnd, nStdBitmaps+STD_FILEOPEN, ID_FILE_OPEN);
AddButton(hToolBarWnd, nStdBitmaps+STD_FILESAVE, ID_FILE_SAVE);
AddSeparator(hToolBarWnd);
AddButton(hToolBarWnd, nStdBitmaps+STD_PRINT, ID_PRINT);
AddButton(hToolBarWnd, nStdBitmaps+STD_PRINTPRE, ID_PREVIEW);
AddSeparator(hToolBarWnd);
AddButton(hToolBarWnd, nStdBitmaps+STD_FIND, ID_FIND);
AddSeparator(hToolBarWnd);
AddButton(hToolBarWnd, nStdBitmaps+STD_CUT, ID_EDIT_CUT);
AddButton(hToolBarWnd, nStdBitmaps+STD_COPY, ID_EDIT_COPY);
AddButton(hToolBarWnd, nStdBitmaps+STD_PASTE, ID_EDIT_PASTE);
AddButton(hToolBarWnd, nStdBitmaps+STD_UNDO, ID_EDIT_UNDO);
AddButton(hToolBarWnd, nStdBitmaps+STD_REDOW, ID_EDIT_REDO);
SendMessageW(hToolBarWnd, TB_AUTOSIZE, 0, 0);
rbb.cbSize = sizeof(rbb);
rbb.fMask = RBBIM_SIZE | RBBIM_CHILDSIZE | RBBIM_CHILD | RBBIM_STYLE;
rbb.fStyle = RBBS_CHILDEDGE | RBBS_BREAK | RBBS_NOGRIPPER;
rbb.cx = 0;
rbb.hwndChild = hToolBarWnd;
rbb.cxMinChild = 0;
rbb.cyChild = rbb.cyMinChild = HIWORD(SendMessageW(hToolBarWnd, TB_GETBUTTONSIZE, 0, 0));
SendMessageW(hReBarWnd, RB_INSERTBAND, BANDID_TOOLBAR, (LPARAM)&rbb);
hFormatBarWnd = CreateToolbarEx(hReBarWnd,
CCS_NOPARENTALIGN | CCS_NOMOVEY | WS_VISIBLE | TBSTYLE_TOOLTIPS | TBSTYLE_BUTTON,
IDC_FORMATBAR, 6, hInstance, IDB_FORMATBAR, NULL, 0, 24, 24, 16, 16, sizeof(TBBUTTON));
ab.hInst = HINST_COMMCTRL;
ab.nID = IDB_STD_SMALL_COLOR;
nStdBitmaps = SendMessageW(hFormatBarWnd, TB_ADDBITMAP, 6, (LPARAM)&ab);
AddButton(hFormatBarWnd, 0, ID_FORMAT_BOLD);
AddButton(hFormatBarWnd, 1, ID_FORMAT_ITALIC);
AddButton(hFormatBarWnd, 2, ID_FORMAT_UNDERLINE);
AddSeparator(hFormatBarWnd);
AddButton(hFormatBarWnd, 3, ID_ALIGN_LEFT);
AddButton(hFormatBarWnd, 4, ID_ALIGN_CENTER);
AddButton(hFormatBarWnd, 5, ID_ALIGN_RIGHT);
SendMessageW(hFormatBarWnd, TB_AUTOSIZE, 0, 0);
rbb.hwndChild = hFormatBarWnd;
SendMessageW(hReBarWnd, RB_INSERTBAND, BANDID_FORMATBAR, (LPARAM)&rbb);
hDLL = LoadLibraryW(wszRichEditDll);
assert(hDLL);
hEditorWnd = CreateWindowExW(WS_EX_CLIENTEDGE, wszRichEditClass, NULL,
WS_CHILD|WS_VISIBLE|ES_MULTILINE|ES_AUTOVSCROLL|ES_WANTRETURN|WS_VSCROLL,
0, 0, 1000, 100, hWnd, (HMENU)IDC_EDITOR, hInstance, NULL);
if (!hEditorWnd)
{
fprintf(stderr, "Error code %u\n", GetLastError());
return -1;
}
assert(hEditorWnd);
SetFocus(hEditorWnd);
SendMessageW(hEditorWnd, EM_SETEVENTMASK, 0, ENM_SELCHANGE);
DoDefaultFont();
DoLoadStrings();
SendMessageW(hEditorWnd, EM_SETMODIFY, FALSE, 0);
return 0;
}
static LRESULT OnUser( HWND hWnd, WPARAM wParam, LPARAM lParam)
{
HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
HWND hwndReBar = GetDlgItem(hWnd, IDC_REBAR);
HWND hwndToolBar = GetDlgItem(hwndReBar, IDC_TOOLBAR);
HWND hwndFormatBar = GetDlgItem(hwndReBar, IDC_FORMATBAR);
int from, to;
CHARFORMAT2W fmt;
PARAFORMAT2 pf;
ZeroMemory(&fmt, sizeof(fmt));
fmt.cbSize = sizeof(fmt);
ZeroMemory(&pf, sizeof(pf));
pf.cbSize = sizeof(pf);
SendMessageW(hwndEditor, EM_GETCHARFORMAT, TRUE, (LPARAM)&fmt);
SendMessageW(hwndEditor, EM_GETSEL, (WPARAM)&from, (LPARAM)&to);
SendMessageW(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_UNDO,
SendMessageW(hwndEditor, EM_CANUNDO, 0, 0));
SendMessageW(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_REDO,
SendMessageW(hwndEditor, EM_CANREDO, 0, 0));
SendMessageW(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_CUT, from == to ? 0 : 1);
SendMessageW(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_COPY, from == to ? 0 : 1);
SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_FORMAT_BOLD, (fmt.dwMask & CFM_BOLD) &&
(fmt.dwEffects & CFE_BOLD));
SendMessageW(hwndFormatBar, TB_INDETERMINATE, ID_FORMAT_BOLD, !(fmt.dwMask & CFM_BOLD));
SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_FORMAT_ITALIC, (fmt.dwMask & CFM_ITALIC) &&
(fmt.dwEffects & CFE_ITALIC));
SendMessageW(hwndFormatBar, TB_INDETERMINATE, ID_FORMAT_ITALIC, !(fmt.dwMask & CFM_ITALIC));
SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_FORMAT_UNDERLINE, (fmt.dwMask & CFM_UNDERLINE) &&
(fmt.dwEffects & CFE_UNDERLINE));
SendMessageW(hwndFormatBar, TB_INDETERMINATE, ID_FORMAT_UNDERLINE, !(fmt.dwMask & CFM_UNDERLINE));
SendMessageW(hwndEditor, EM_GETPARAFORMAT, 0, (LPARAM)&pf);
SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_ALIGN_LEFT, (pf.wAlignment == PFA_LEFT));
SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_ALIGN_CENTER, (pf.wAlignment == PFA_CENTER));
SendMessageW(hwndFormatBar, TB_CHECKBUTTON, ID_ALIGN_RIGHT, (pf.wAlignment == PFA_RIGHT));
return 0;
}
static LRESULT OnNotify( HWND hWnd, WPARAM wParam, LPARAM lParam)
{
HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
NMHDR *pHdr = (NMHDR *)lParam;
if (pHdr->hwndFrom != hwndEditor)
return 0;
if (pHdr->code == EN_SELCHANGE)
{
SELCHANGE *pSC = (SELCHANGE *)lParam;
char buf[128];
sprintf( buf,"selection = %d..%d, line count=%ld",
pSC->chrg.cpMin, pSC->chrg.cpMax,
SendMessage(hwndEditor, EM_GETLINECOUNT, 0, 0));
SetWindowText(GetDlgItem(hWnd, IDC_STATUSBAR), buf);
SendMessage(hWnd, WM_USER, 0, 0);
return 1;
}
return 0;
}
static LRESULT OnCommand( HWND hWnd, WPARAM wParam, LPARAM lParam)
{
HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
HWND hwndStatus = GetDlgItem(hWnd, IDC_STATUSBAR);
if ((HWND)lParam == hwndEditor)
return 0;
switch(LOWORD(wParam))
{
case ID_FILE_EXIT:
PostMessageW(hWnd, WM_CLOSE, 0, 0);
break;
case ID_FILE_NEW:
if(prompt_save_changes())
{
set_caption(NULL);
wszFileName[0] = '\0';
SetWindowTextW(hwndEditor, wszFileName);
SendMessageW(hEditorWnd, EM_SETMODIFY, FALSE, 0);
/* FIXME: set default format too */
}
break;
case ID_FILE_OPEN:
DialogOpenFile();
break;
case ID_FILE_SAVE:
if(wszFileName[0])
{
DoSaveFile(wszFileName);
break;
}
/* Fall through */
case ID_FILE_SAVEAS:
DialogSaveFile();
break;
case ID_PRINT:
case ID_PREVIEW:
case ID_FIND:
{
static const WCHAR wszNotImplemented[] = {'N','o','t',' ',
'i','m','p','l','e','m','e','n','t','e','d','\0'};
MessageBoxW(hWnd, wszNotImplemented, wszAppTitle, MB_OK);
}
break;
case ID_FORMAT_BOLD:
case ID_FORMAT_ITALIC:
case ID_FORMAT_UNDERLINE:
{
CHARFORMAT2W fmt;
int mask = CFM_BOLD;
if (LOWORD(wParam) == ID_FORMAT_ITALIC) mask = CFM_ITALIC;
if (LOWORD(wParam) == ID_FORMAT_UNDERLINE) mask = CFM_UNDERLINE;
ZeroMemory(&fmt, sizeof(fmt));
fmt.cbSize = sizeof(fmt);
SendMessageW(hwndEditor, EM_GETCHARFORMAT, SCF_SELECTION, (LPARAM)&fmt);
if (!(fmt.dwMask&mask))
fmt.dwEffects |= mask;
else
fmt.dwEffects ^= mask;
fmt.dwMask = mask;
SendMessageW(hwndEditor, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&fmt);
break;
}
case ID_EDIT_CUT:
PostMessageW(hwndEditor, WM_CUT, 0, 0);
break;
case ID_EDIT_COPY:
PostMessageW(hwndEditor, WM_COPY, 0, 0);
break;
case ID_EDIT_PASTE:
PostMessageW(hwndEditor, WM_PASTE, 0, 0);
break;
case ID_EDIT_CLEAR:
PostMessageW(hwndEditor, WM_CLEAR, 0, 0);
break;
case ID_EDIT_SELECTALL:
{
CHARRANGE range = {0, -1};
SendMessageW(hwndEditor, EM_EXSETSEL, 0, (LPARAM)&range);
/* SendMessage(hwndEditor, EM_SETSEL, 0, -1); */
return 0;
}
case ID_EDIT_GETTEXT:
{
int nLen = GetWindowTextLengthW(hwndEditor);
LPWSTR data = HeapAlloc( GetProcessHeap(), 0, (nLen+1)*sizeof(WCHAR) );
TEXTRANGEW tr;
GetWindowTextW(hwndEditor, data, nLen+1);
MessageBoxW(NULL, data, xszAppTitle, MB_OK);
HeapFree( GetProcessHeap(), 0, data);
data = HeapAlloc(GetProcessHeap(), 0, (nLen+1)*sizeof(WCHAR));
tr.chrg.cpMin = 0;
tr.chrg.cpMax = nLen;
tr.lpstrText = data;
SendMessage (hwndEditor, EM_GETTEXTRANGE, 0, (LPARAM)&tr);
MessageBoxW(NULL, data, xszAppTitle, MB_OK);
HeapFree( GetProcessHeap(), 0, data );
/* SendMessage(hwndEditor, EM_SETSEL, 0, -1); */
return 0;
}
case ID_EDIT_CHARFORMAT:
case ID_EDIT_DEFCHARFORMAT:
{
CHARFORMAT2W cf;
LRESULT i;
ZeroMemory(&cf, sizeof(cf));
cf.cbSize = sizeof(cf);
cf.dwMask = 0;
i = SendMessageW(hwndEditor, EM_GETCHARFORMAT,
LOWORD(wParam) == ID_EDIT_CHARFORMAT, (LPARAM)&cf);
return 0;
}
case ID_EDIT_PARAFORMAT:
{
PARAFORMAT2 pf;
ZeroMemory(&pf, sizeof(pf));
pf.cbSize = sizeof(pf);
SendMessageW(hwndEditor, EM_GETPARAFORMAT, 0, (LPARAM)&pf);
return 0;
}
case ID_EDIT_SELECTIONINFO:
{
CHARRANGE range = {0, -1};
char buf[128];
WCHAR *data = NULL;
SendMessage(hwndEditor, EM_EXGETSEL, 0, (LPARAM)&range);
data = HeapAlloc(GetProcessHeap(), 0, sizeof(*data) * (range.cpMax-range.cpMin+1));
SendMessage(hwndEditor, EM_GETSELTEXT, 0, (LPARAM)data);
sprintf(buf, "Start = %d, End = %d", range.cpMin, range.cpMax);
MessageBoxA(hWnd, buf, "Editor", MB_OK);
MessageBoxW(hWnd, data, xszAppTitle, MB_OK);
HeapFree( GetProcessHeap(), 0, data);
/* SendMessage(hwndEditor, EM_SETSEL, 0, -1); */
return 0;
}
case ID_EDIT_READONLY:
{
long nStyle = GetWindowLong(hwndEditor, GWL_STYLE);
if (nStyle & ES_READONLY)
SendMessageW(hwndEditor, EM_SETREADONLY, 0, 0);
else
SendMessageW(hwndEditor, EM_SETREADONLY, 1, 0);
return 0;
}
case ID_EDIT_MODIFIED:
if (SendMessageW(hwndEditor, EM_GETMODIFY, 0, 0))
SendMessageW(hwndEditor, EM_SETMODIFY, 0, 0);
else
SendMessageW(hwndEditor, EM_SETMODIFY, 1, 0);
return 0;
case ID_EDIT_UNDO:
SendMessageW(hwndEditor, EM_UNDO, 0, 0);
return 0;
case ID_EDIT_REDO:
SendMessageW(hwndEditor, EM_REDO, 0, 0);
return 0;
case ID_ALIGN_LEFT:
case ID_ALIGN_CENTER:
case ID_ALIGN_RIGHT:
{
PARAFORMAT2 pf;
pf.cbSize = sizeof(pf);
pf.dwMask = PFM_ALIGNMENT;
switch(LOWORD(wParam)) {
case ID_ALIGN_LEFT: pf.wAlignment = PFA_LEFT; break;
case ID_ALIGN_CENTER: pf.wAlignment = PFA_CENTER; break;
case ID_ALIGN_RIGHT: pf.wAlignment = PFA_RIGHT; break;
}
SendMessageW(hwndEditor, EM_SETPARAFORMAT, 0, (LPARAM)&pf);
break;
}
case ID_BACK_1:
SendMessageW(hwndEditor, EM_SETBKGNDCOLOR, 1, 0);
break;
case ID_BACK_2:
SendMessageW(hwndEditor, EM_SETBKGNDCOLOR, 0, RGB(255,255,192));
break;
case ID_TOGGLE_TOOLBAR:
toggle_toolbar(BANDID_TOOLBAR);
update_window();
break;
case ID_TOGGLE_FORMATBAR:
toggle_toolbar(BANDID_FORMATBAR);
update_window();
break;
case ID_TOGGLE_STATUSBAR:
ShowWindow(hwndStatus, IsWindowVisible(hwndStatus) ? SW_HIDE : SW_SHOW);
update_window();
break;
default:
SendMessageW(hwndEditor, WM_COMMAND, wParam, lParam);
break;
}
return 0;
}
static LRESULT OnInitPopupMenu( HWND hWnd, WPARAM wParam, LPARAM lParam )
{
HMENU hMenu = (HMENU)wParam;
HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
HWND hwndReBar = GetDlgItem(hWnd, IDC_REBAR);
HWND hwndStatus = GetDlgItem(hWnd, IDC_STATUSBAR);
PARAFORMAT pf;
int nAlignment = -1;
REBARBANDINFOW rbbinfo;
int selFrom, selTo;
SendMessageW(hEditorWnd, EM_GETSEL, (WPARAM)&selFrom, (LPARAM)&selTo);
EnableMenuItem(hMenu, ID_EDIT_COPY, MF_BYCOMMAND|(selFrom == selTo) ? MF_GRAYED : MF_ENABLED);
EnableMenuItem(hMenu, ID_EDIT_CUT, MF_BYCOMMAND|(selFrom == selTo) ? MF_GRAYED : MF_ENABLED);
pf.cbSize = sizeof(PARAFORMAT);
SendMessageW(hwndEditor, EM_GETPARAFORMAT, 0, (LPARAM)&pf);
CheckMenuItem(hMenu, ID_EDIT_READONLY,
MF_BYCOMMAND|(GetWindowLong(hwndEditor, GWL_STYLE)&ES_READONLY ? MF_CHECKED : MF_UNCHECKED));
CheckMenuItem(hMenu, ID_EDIT_MODIFIED,
MF_BYCOMMAND|(SendMessage(hwndEditor, EM_GETMODIFY, 0, 0) ? MF_CHECKED : MF_UNCHECKED));
if (pf.dwMask & PFM_ALIGNMENT)
nAlignment = pf.wAlignment;
CheckMenuItem(hMenu, ID_ALIGN_LEFT, MF_BYCOMMAND|(nAlignment == PFA_LEFT) ?
MF_CHECKED : MF_UNCHECKED);
CheckMenuItem(hMenu, ID_ALIGN_CENTER, MF_BYCOMMAND|(nAlignment == PFA_CENTER) ?
MF_CHECKED : MF_UNCHECKED);
CheckMenuItem(hMenu, ID_ALIGN_RIGHT, MF_BYCOMMAND|(nAlignment == PFA_RIGHT) ?
MF_CHECKED : MF_UNCHECKED);
EnableMenuItem(hMenu, ID_EDIT_UNDO, MF_BYCOMMAND|(SendMessageW(hwndEditor, EM_CANUNDO, 0, 0)) ?
MF_ENABLED : MF_GRAYED);
EnableMenuItem(hMenu, ID_EDIT_REDO, MF_BYCOMMAND|(SendMessageW(hwndEditor, EM_CANREDO, 0, 0)) ?
MF_ENABLED : MF_GRAYED);
rbbinfo.cbSize = sizeof(rbbinfo);
rbbinfo.fMask = RBBIM_STYLE;
SendMessageW(hwndReBar, RB_GETBANDINFO, BANDID_TOOLBAR, (LPARAM)&rbbinfo);
CheckMenuItem(hMenu, ID_TOGGLE_TOOLBAR, MF_BYCOMMAND|(rbbinfo.fStyle & RBBS_HIDDEN) ?
MF_UNCHECKED : MF_CHECKED);
SendMessageW(hwndReBar, RB_GETBANDINFO, BANDID_FORMATBAR, (LPARAM)&rbbinfo);
CheckMenuItem(hMenu, ID_TOGGLE_FORMATBAR, MF_BYCOMMAND|(rbbinfo.fStyle & RBBS_HIDDEN) ?
MF_UNCHECKED : MF_CHECKED);
CheckMenuItem(hMenu, ID_TOGGLE_STATUSBAR, MF_BYCOMMAND|IsWindowVisible(hwndStatus) ?
MF_CHECKED : MF_UNCHECKED);
return 0;
}
static LRESULT OnSize( HWND hWnd, WPARAM wParam, LPARAM lParam )
{
int nStatusSize = 0;
RECT rc;
HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
HWND hwndStatusBar = GetDlgItem(hWnd, IDC_STATUSBAR);
HWND hwndReBar = GetDlgItem(hWnd, IDC_REBAR);
int rebarHeight = 0;
REBARBANDINFOW rbbinfo;
int rebarRows = 2;
if (hwndStatusBar)
{
SendMessageW(hwndStatusBar, WM_SIZE, 0, 0);
if (IsWindowVisible(hwndStatusBar))
{
GetClientRect(hwndStatusBar, &rc);
nStatusSize = rc.bottom - rc.top;
} else
{
nStatusSize = 0;
}
}
if (hwndReBar)
{
rbbinfo.cbSize = sizeof(rbbinfo);
rbbinfo.fMask = RBBIM_STYLE;
SendMessageW(hwndReBar, RB_GETBANDINFO, BANDID_TOOLBAR, (LPARAM)&rbbinfo);
if(rbbinfo.fStyle & RBBS_HIDDEN)
rebarRows--;
SendMessageW(hwndReBar, RB_GETBANDINFO, BANDID_FORMATBAR, (LPARAM)&rbbinfo);
if(rbbinfo.fStyle & RBBS_HIDDEN)
rebarRows--;
rebarHeight = rebarRows ? SendMessageW(hwndReBar, RB_GETBARHEIGHT, 0, 0) : 0;
}
if (hwndEditor)
{
GetClientRect(hWnd, &rc);
MoveWindow(hwndEditor, 0, rebarHeight, rc.right, rc.bottom-nStatusSize-rebarHeight, TRUE);
}
return DefWindowProcW(hWnd, WM_SIZE, wParam, lParam);
}
static LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_CREATE:
return OnCreate( hWnd, wParam, lParam );
case WM_USER:
return OnUser( hWnd, wParam, lParam );
case WM_NOTIFY:
return OnNotify( hWnd, wParam, lParam );
case WM_COMMAND:
return OnCommand( hWnd, wParam, lParam );
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_CLOSE:
if(prompt_save_changes())
PostQuitMessage(0);
break;
case WM_ACTIVATE:
if (LOWORD(wParam))
SetFocus(GetDlgItem(hWnd, IDC_EDITOR));
return 0;
case WM_INITMENUPOPUP:
return OnInitPopupMenu( hWnd, wParam, lParam );
case WM_SIZE:
return OnSize( hWnd, wParam, lParam );
default:
return DefWindowProcW(hWnd, msg, wParam, lParam);
}
return 0;
}
int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hOldInstance, LPSTR szCmdParagraph, int res)
{
INITCOMMONCONTROLSEX classes = {8, ICC_BAR_CLASSES|ICC_COOL_CLASSES};
HACCEL hAccel;
WNDCLASSW wc;
MSG msg;
static const WCHAR wszAccelTable[] = {'M','A','I','N','A','C','C','E','L',
'T','A','B','L','E','\0'};
InitCommonControlsEx(&classes);
hAccel = LoadAcceleratorsW(hInstance, wszAccelTable);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 4;
wc.hInstance = hInstance;
wc.hIcon = LoadIconW(hInstance, MAKEINTRESOURCEW(IDI_WORDPAD));
wc.hCursor = LoadCursor(NULL, IDC_IBEAM);
wc.hbrBackground = GetSysColorBrush(COLOR_WINDOW);
wc.lpszMenuName = xszMainMenu;
wc.lpszClassName = wszMainWndClass;
RegisterClassW(&wc);
hMainWnd = CreateWindowExW(0, wszMainWndClass, wszAppTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 680, 260, NULL, NULL, hInstance, NULL);
ShowWindow(hMainWnd, SW_SHOWDEFAULT);
set_caption(NULL);
HandleCommandLine(GetCommandLineW());
while(GetMessageW(&msg,0,0,0))
{
if (TranslateAcceleratorW(hMainWnd, hAccel, &msg))
continue;
TranslateMessage(&msg);
DispatchMessageW(&msg);
if (!PeekMessageW(&msg, 0, 0, 0, PM_NOREMOVE))
SendMessageW(hMainWnd, WM_USER, 0, 0);
}
return 0;
}