Sweden-Number/programs/wordpad/wordpad.c

515 lines
16 KiB
C
Raw Normal View History

/*
* 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
#include <stdarg.h>
#include <ctype.h>
#include <stdio.h>
#include <assert.h>
#include <windows.h>
#include <richedit.h>
#include <commctrl.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 = NULL;
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;
SendMessage(hwndToolBar, TB_ADDBUTTONS, 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;
SendMessage(hwndToolBar, TB_ADDBUTTONS, 1, (LPARAM)&button);
}
static LRESULT OnCreate( HWND hWnd, WPARAM wParam, LPARAM lParam)
{
HWND hEditorWnd, hToolBarWnd, hReBarWnd;
HINSTANCE hInstance = (HINSTANCE)GetWindowLongPtr(hWnd, GWLP_HINSTANCE);
HANDLE hDLL;
TBADDBITMAP ab;
int nStdBitmaps = 0;
REBARINFO rbi;
REBARBANDINFO rbb;
CreateStatusWindow(CCS_NODIVIDER|WS_CHILD|WS_VISIBLE, "RichEdit text", hWnd, IDC_STATUSBAR);
hReBarWnd = CreateWindowEx(WS_EX_TOOLWINDOW, REBARCLASSNAME, 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(!SendMessage(hReBarWnd, RB_SETBARINFO, 0, (LPARAM)&rbi))
return -1;
hToolBarWnd = CreateToolbarEx(hReBarWnd, CCS_NOPARENTALIGN|CCS_NODIVIDER|CCS_NOMOVEY|WS_VISIBLE|WS_CHILD|TBSTYLE_TOOLTIPS|TBSTYLE_FLAT,
IDC_TOOLBAR,
3, hInstance, IDB_TOOLBAR,
NULL, 0,
24, 24, 16, 16, sizeof(TBBUTTON));
ab.hInst = HINST_COMMCTRL;
ab.nID = IDB_STD_SMALL_COLOR;
nStdBitmaps = SendMessage(hToolBarWnd, TB_ADDBITMAP, 3, (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_CUT, ID_EDIT_CUT);
AddButton(hToolBarWnd, nStdBitmaps+STD_COPY, ID_EDIT_COPY);
AddSeparator(hToolBarWnd);
AddButton(hToolBarWnd, nStdBitmaps+STD_UNDO, ID_EDIT_UNDO);
AddButton(hToolBarWnd, nStdBitmaps+STD_REDOW, ID_EDIT_REDO);
AddSeparator(hToolBarWnd);
AddButton(hToolBarWnd, 0, ID_FORMAT_BOLD);
AddButton(hToolBarWnd, 1, ID_FORMAT_ITALIC);
AddButton(hToolBarWnd, 2, ID_FORMAT_UNDERLINE);
SendMessage(hToolBarWnd, TB_ADDSTRING, 0, (LPARAM)"Exit\0");
SendMessage(hToolBarWnd, TB_AUTOSIZE, 0, 0);
rbb.cbSize = sizeof(rbb);
rbb.fMask = RBBIM_SIZE | RBBIM_CHILDSIZE | RBBIM_CHILD | RBBIM_STYLE;
rbb.fStyle = RBBS_CHILDEDGE;
rbb.cx = 500;
rbb.hwndChild = hToolBarWnd;
rbb.cxMinChild = 0;
rbb.cyChild = rbb.cyMinChild = HIWORD(SendMessage(hToolBarWnd, TB_GETBUTTONSIZE, 0, 0));
SendMessage(hReBarWnd, RB_INSERTBAND, -1, (LPARAM)&rbb);
hDLL = LoadLibrary("RICHED20.DLL");
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 %lu\n", GetLastError());
return -1;
}
assert(hEditorWnd);
SetFocus(hEditorWnd);
SendMessage(hEditorWnd, EM_SETEVENTMASK, 0, ENM_SELCHANGE);
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);
int from, to;
CHARFORMAT2W fmt;
ZeroMemory(&fmt, sizeof(fmt));
fmt.cbSize = sizeof(fmt);
SendMessage(hwndEditor, EM_GETCHARFORMAT, TRUE, (LPARAM)&fmt);
SendMessage(hwndEditor, EM_GETSEL, (WPARAM)&from, (LPARAM)&to);
SendMessage(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_UNDO,
SendMessage(hwndEditor, EM_CANUNDO, 0, 0));
SendMessage(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_REDO,
SendMessage(hwndEditor, EM_CANREDO, 0, 0));
SendMessage(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_CUT, from == to ? 0 : 1);
SendMessage(hwndToolBar, TB_ENABLEBUTTON, ID_EDIT_COPY, from == to ? 0 : 1);
SendMessage(hwndToolBar, TB_CHECKBUTTON, ID_FORMAT_BOLD, (fmt.dwMask & CFM_BOLD) && (fmt.dwEffects & CFE_BOLD));
SendMessage(hwndToolBar, TB_INDETERMINATE, ID_FORMAT_BOLD, !(fmt.dwMask & CFM_BOLD));
SendMessage(hwndToolBar, TB_CHECKBUTTON, ID_FORMAT_ITALIC, (fmt.dwMask & CFM_ITALIC) && (fmt.dwEffects & CFE_ITALIC));
SendMessage(hwndToolBar, TB_INDETERMINATE, ID_FORMAT_ITALIC, !(fmt.dwMask & CFM_ITALIC));
SendMessage(hwndToolBar, TB_CHECKBUTTON, ID_FORMAT_UNDERLINE, (fmt.dwMask & CFM_UNDERLINE) && (fmt.dwEffects & CFE_UNDERLINE));
SendMessage(hwndToolBar, TB_INDETERMINATE, ID_FORMAT_UNDERLINE, !(fmt.dwMask & CFM_UNDERLINE));
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 = %ld..%ld, line count=%ld\n",
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);
if ((HWND)lParam == hwndEditor)
return 0;
switch(LOWORD(wParam))
{
case ID_FILE_EXIT:
PostMessage(hWnd, WM_CLOSE, 0, 0);
break;
case ID_FILE_NEW:
SetWindowTextA(hwndEditor, "");
/* FIXME: set default format too */
break;
case ID_FILE_OPEN:
case ID_FILE_SAVE:
MessageBox(hWnd, "Open/Save not implemented", "WordPad", 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);
SendMessage(hwndEditor, EM_GETCHARFORMAT, SCF_SELECTION, (LPARAM)&fmt);
if (!(fmt.dwMask&mask))
fmt.dwEffects |= mask;
else
fmt.dwEffects ^= mask;
fmt.dwMask = mask;
SendMessage(hwndEditor, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&fmt);
break;
}
case ID_EDIT_CUT:
PostMessage(hwndEditor, WM_CUT, 0, 0);
break;
case ID_EDIT_COPY:
PostMessage(hwndEditor, WM_COPY, 0, 0);
break;
case ID_EDIT_SELECTALL:
{
CHARRANGE range = {0, -1};
SendMessage(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 = SendMessage(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);
SendMessage(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 = %ld, End = %ld", 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)
SendMessage(hwndEditor, EM_SETREADONLY, 0, 0);
else
SendMessage(hwndEditor, EM_SETREADONLY, 1, 0);
return 0;
}
case ID_EDIT_MODIFIED:
if (SendMessage(hwndEditor, EM_GETMODIFY, 0, 0))
SendMessage(hwndEditor, EM_SETMODIFY, 0, 0);
else
SendMessage(hwndEditor, EM_SETMODIFY, 1, 0);
return 0;
case ID_EDIT_UNDO:
SendMessage(hwndEditor, EM_UNDO, 0, 0);
return 0;
case ID_EDIT_REDO:
SendMessage(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;
}
SendMessage(hwndEditor, EM_SETPARAFORMAT, 0, (LPARAM)&pf);
break;
}
case ID_BACK_1:
SendMessage(hwndEditor, EM_SETBKGNDCOLOR, 1, 0);
break;
case ID_BACK_2:
SendMessage(hwndEditor, EM_SETBKGNDCOLOR, 0, RGB(255,255,192));
break;
default:
SendMessage(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);
PARAFORMAT pf;
int nAlignment = -1;
pf.cbSize = sizeof(PARAFORMAT);
SendMessage(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|(SendMessage(hwndEditor, EM_CANUNDO, 0, 0)) ? MF_ENABLED : MF_GRAYED);
EnableMenuItem(hMenu, ID_EDIT_REDO, MF_BYCOMMAND|(SendMessage(hwndEditor, EM_CANREDO, 0, 0)) ? MF_ENABLED : MF_GRAYED);
return 0;
}
static LRESULT OnSize( HWND hWnd, WPARAM wParam, LPARAM lParam )
{
int nStatusSize = 0, nTBSize = 0;
RECT rc;
HWND hwndEditor = GetDlgItem(hWnd, IDC_EDITOR);
HWND hwndStatusBar = GetDlgItem(hWnd, IDC_STATUSBAR);
HWND hwndReBar = GetDlgItem(hWnd, IDC_REBAR);
HWND hwndToolBar = GetDlgItem(hwndReBar, IDC_TOOLBAR);
if (hwndStatusBar)
{
SendMessage(hwndStatusBar, WM_SIZE, 0, 0);
GetClientRect(hwndStatusBar, &rc);
nStatusSize = rc.bottom - rc.top;
}
if (hwndToolBar)
{
rc.left = rc.top = 0;
rc.right = LOWORD(lParam);
rc.bottom = HIWORD(lParam);
SendMessage(hwndToolBar, TB_AUTOSIZE, 0, 0);
SendMessage(hwndReBar, RB_SIZETORECT, 0, (LPARAM)&rc);
nTBSize = SendMessage(hwndReBar, RB_GETBARHEIGHT, 0, 0);
GetClientRect(hwndReBar, &rc);
MoveWindow(hwndReBar, 0, 0, LOWORD(lParam), rc.right, FALSE);
}
if (hwndEditor)
{
GetClientRect(hWnd, &rc);
MoveWindow(hwndEditor, 0, nTBSize, rc.right, rc.bottom-nStatusSize-nTBSize, 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_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;
InitCommonControlsEx(&classes);
hAccel = LoadAccelerators(hInstance, "MAINACCELTABLE");
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 4;
wc.hInstance = hInstance;
wc.hIcon = NULL;
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_SHOWMAXIMIZED);
while(GetMessage(&msg,0,0,0))
{
if (TranslateAccelerator(hMainWnd, hAccel, &msg))
continue;
TranslateMessage(&msg);
DispatchMessage(&msg);
if (!PeekMessage(&msg, 0, 0, 0, PM_NOREMOVE))
SendMessage(hMainWnd, WM_USER, 0, 0);
}
return 0;
}