reactos/rosapps/dflat32/edit.c
Eric Kohl a12836346f Improved keyboard handling code
Fixed problems with differnet console sizes
Started function renaming

svn path=/trunk/; revision=1034
2000-03-08 01:49:37 +00:00

742 lines
18 KiB
C
Raw Blame History

/* --------------- edit.c ----------- */
#include "dflat.h"
extern DBOX PrintSetup;
char DFlatApplication[] = "Edit";
static char Untitled[] = "Untitled";
static int wndpos;
static int MemoPadProc(DFWINDOW, DFMESSAGE, PARAM, PARAM);
static void NewFile(DFWINDOW,char *);
static void SelectFile(DFWINDOW);
static void PadWindow(DFWINDOW, char *);
static void OpenPadWindow(DFWINDOW, char *,char *);
static void LoadFile(DFWINDOW);
static void PrintPad(DFWINDOW);
static void SaveFile(DFWINDOW, int);
static void EditDeleteFile(DFWINDOW);
static int EditorProc(DFWINDOW, DFMESSAGE, PARAM, PARAM);
static char *NameComponent(char *);
static int PrintSetupProc(DFWINDOW, DFMESSAGE, PARAM, PARAM);
static void FixTabMenu(void);
#ifndef TURBOC
void Calendar(DFWINDOW);
#endif
//void BarChart(DFWINDOW);
char **Argv;
#define CHARSLINE 80
#define LINESPAGE 66
int main (int argc, char *argv[])
{
DFWINDOW wnd;
FILE *fp;
if (DfInitialize () == FALSE)
return 1;
Argv = argv;
LoadConfig ();
// if (!LoadConfig())
// cfg.ScreenLines = SCREENHEIGHT;
wnd = DfCreateWindow (APPLICATION,
"FreeDos Edit " VERSION,
0, 0, -1, -1,
&MainMenu,
NULL,
MemoPadProc,
// MOVEABLE |
// SIZEABLE |
// HASBORDER |
// MINMAXBOX |
HASSTATUSBAR);
LoadHelpFile ();
DfSendMessage (wnd, SETFOCUS, TRUE, 0);
// Load the files from args - if the file does not exist, open a new window....
while (argc > 1)
{
// check if the file exists....
if (( fp = fopen(argv[1],"r")) == NULL )
{
// file does not exist - create new window
NewFile(wnd,argv[1]);
}
else
PadWindow(wnd, argv[1]);
--argc;
argv++;
}
while (DfDispatchMessage ())
;
DfTerminate ();
return 0;
}
/* ------ open text files and put them into editboxes ----- */
static void PadWindow(DFWINDOW wnd, char *FileName)
{
int ax;
struct _finddata_t ff;
char path[MAX_PATH];
char *cp;
CreatePath(path, FileName, FALSE, FALSE);
cp = path+strlen(path);
CreatePath(path, FileName, TRUE, FALSE);
ax = _findfirst(path, &ff);
if (ax == -1)
return;
do
{
strcpy(cp, ff.name);
OpenPadWindow(wnd, path,NULL);
}
while (_findnext(ax, &ff) == 0);
_findclose (ax);
}
/* ------- window processing module for the
Edit application window ----- */
static int MemoPadProc(DFWINDOW wnd,DFMESSAGE msg,PARAM p1,PARAM p2)
{
int rtn;
switch (msg)
{
case CREATE_WINDOW:
rtn = DefaultWndProc(wnd, msg, p1, p2);
if (cfg.InsertMode)
SetCommandToggle(&MainMenu, ID_INSERT);
if (cfg.WordWrap)
SetCommandToggle(&MainMenu, ID_WRAP);
FixTabMenu();
return rtn;
case DFM_COMMAND:
switch ((int)p1)
{
case ID_NEW:
NewFile(wnd,NULL);
return TRUE;
case ID_OPEN:
SelectFile(wnd);
return TRUE;
case ID_SAVE:
SaveFile(inFocus, FALSE);
return TRUE;
case ID_SAVEAS:
SaveFile(inFocus, TRUE);
return TRUE;
case ID_DELETEFILE:
EditDeleteFile(inFocus);
return TRUE;
case ID_PRINTSETUP:
DfDialogBox(wnd, &PrintSetup, TRUE, PrintSetupProc);
return TRUE;
case ID_PRINT:
PrintPad(inFocus);
return TRUE;
case ID_EXIT:
if (!DfYesNoBox("Exit FreeDos Edit?"))
return FALSE;
break;
case ID_WRAP:
cfg.WordWrap = GetCommandToggle(&MainMenu, ID_WRAP);
return TRUE;
case ID_INSERT:
cfg.InsertMode = GetCommandToggle(&MainMenu, ID_INSERT);
return TRUE;
case ID_TAB2:
cfg.Tabs = 2;
FixTabMenu();
return TRUE;
case ID_TAB4:
cfg.Tabs = 4;
FixTabMenu();
return TRUE;
case ID_TAB6:
cfg.Tabs = 6;
FixTabMenu();
return TRUE;
case ID_TAB8:
cfg.Tabs = 8;
FixTabMenu();
return TRUE;
case ID_CALENDAR:
Calendar(wnd);
return TRUE;
// case ID_BARCHART:
// BarChart(wnd);
// return TRUE;
case ID_ABOUT:
DfMessageBox(
"About D-Flat and FreeDos Edit",
" <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ\n"
" <20> <20><><EFBFBD> <20><><EFBFBD> <20> <20>\n"
" <20> <20> <20> <20> <20> <20> <20>\n"
" <20> <20> <20> <20> <20> <20> <20>\n"
" <20> <20> <20> <20> <20> <20> <20> <20>\n"
" <20> <20><><EFBFBD> <20><><EFBFBD> <20><> <20>\n"
" R<><52><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>U\n"
"D-Flat implements the SAA/CUA\n"
"interface in a public domain\n"
"C language library originally\n"
"published in Dr. Dobb's Journal\n"
" ------------------------ \n"
"FreeDos Edit is a clone of MSDOS\n"
"editor for the FREEDOS Project");
return TRUE;
default:
break;
}
break;
default:
break;
}
return DefaultWndProc(wnd, msg, p1, p2);
}
/* --- The New command. Open an empty editor window --- */
static void NewFile(DFWINDOW wnd, char *FileName)
{
OpenPadWindow(wnd, Untitled,FileName);
}
/* --- The Open... command. Select a file --- */
static void SelectFile(DFWINDOW wnd)
{
char FileName[MAX_PATH];
if (OpenFileDialogBox("*.*", FileName))
{
/* see if the document is already in a window */
DFWINDOW wnd1 = FirstWindow(wnd);
while (wnd1 != NULL)
{
if (wnd1->extension &&
stricmp(FileName, wnd1->extension) == 0)
{
DfSendMessage(wnd1, SETFOCUS, TRUE, 0);
DfSendMessage(wnd1, RESTORE, 0, 0);
return;
}
wnd1 = NextWindow(wnd1);
}
OpenPadWindow(wnd, FileName, NULL);
}
}
/* --- open a document window and load a file --- */
static void OpenPadWindow(DFWINDOW wnd, char *FileName,char *NewFileName)
{
static DFWINDOW wnd1 = NULL;
DFWINDOW wwnd;
struct stat sb;
char *Fname = FileName;
char *Fnewname = NewFileName;
char *ermsg;
if (strcmp(FileName, Untitled))
{
if (stat(FileName, &sb))
{
ermsg = DFmalloc(strlen(FileName)+20);
strcpy(ermsg, "No such file as\n");
strcat(ermsg, FileName);
DfErrorMessage(ermsg);
free(ermsg);
return;
}
Fname = NameComponent(FileName);
// check file size
if (sb.st_size > 64000)
{
ermsg = DFmalloc(strlen(FileName)+20);
strcpy(ermsg, "File too large for this version of Edit\n");
DfErrorMessage(ermsg);
free(ermsg);
return;
}
}
wwnd = WatchIcon();
wndpos += 2;
if (NewFileName != NULL)
Fname = NameComponent(NewFileName);
if (wndpos == 20)
wndpos = 2;
wnd1 = DfCreateWindow(EDITBOX,
Fname,
(wndpos-1)*2, wndpos, 10, 40,
NULL, wnd, EditorProc,
SHADOW |
MINMAXBOX |
CONTROLBOX |
VSCROLLBAR |
HSCROLLBAR |
MOVEABLE |
HASBORDER |
SIZEABLE |
MULTILINE);
if (strcmp(FileName, Untitled))
{
wnd1->extension = DFmalloc(strlen(FileName)+1);
strcpy(wnd1->extension, FileName);
LoadFile(wnd1);
}
DfSendMessage(wwnd, CLOSE_WINDOW, 0, 0);
DfSendMessage(wnd1, SETFOCUS, TRUE, 0);
DfSendMessage(wnd1, MAXIMIZE, 0, 0);
}
/* --- Load the notepad file into the editor text buffer --- */
static void LoadFile(DFWINDOW wnd)
{
char *Buf = NULL;
int recptr = 0;
FILE *fp;
if ((fp = fopen(wnd->extension, "rt")) != NULL)
{
while (!feof(fp))
{
handshake();
Buf = DFrealloc(Buf, recptr+150);
memset(Buf+recptr, 0, 150);
fgets(Buf+recptr, 150, fp);
recptr += strlen(Buf+recptr);
}
fclose(fp);
if (Buf != NULL)
{
DfSendMessage(wnd, SETTEXT, (PARAM) Buf, 0);
free(Buf);
}
}
}
static int LineCtr;
static int CharCtr;
/* ------- print a character -------- */
static void PrintChar(FILE *prn, int c)
{
int i;
if (c == '\n' || CharCtr == cfg.RightMargin)
{
fputs("\r\n", prn);
LineCtr++;
if (LineCtr == cfg.BottomMargin)
{
fputc('\f', prn);
for (i = 0; i < cfg.TopMargin; i++)
fputc('\n', prn);
LineCtr = cfg.TopMargin;
}
CharCtr = 0;
if (c == '\n')
return;
}
if (CharCtr == 0)
{
for (i = 0; i < cfg.LeftMargin; i++)
{
fputc(' ', prn);
CharCtr++;
}
}
CharCtr++;
fputc(c, prn);
}
/* --- print the current notepad --- */
static void PrintPad(DFWINDOW wnd)
{
if (*cfg.PrinterPort)
{
FILE *prn;
if ((prn = fopen(cfg.PrinterPort, "wt")) != NULL)
{
long percent;
BOOL KeepPrinting = TRUE;
unsigned char *text = GetText(wnd);
unsigned oldpct = 100, cct = 0, len = strlen(text);
DFWINDOW swnd = SliderBox(20, GetTitle(wnd), "Printing");
/* ------- print the notepad text --------- */
LineCtr = CharCtr = 0;
while (KeepPrinting && *text)
{
PrintChar(prn, *text++);
percent = ((long) ++cct * 100) / len;
if ((int)percent != (int)oldpct)
{
oldpct = (int) percent;
KeepPrinting = DfSendMessage(swnd, PAINT, 0, oldpct);
}
}
if (KeepPrinting)
/* ---- user did not cancel ---- */
if (oldpct < 100)
DfSendMessage(swnd, PAINT, 0, 100);
/* ------- follow with a form feed? --------- */
if (DfYesNoBox("Form Feed?"))
fputc('\f', prn);
fclose(prn);
}
else
DfErrorMessage("Cannot open printer file");
}
else
DfErrorMessage("No printer selected");
}
/* ---------- save a file to disk ------------ */
static void SaveFile(DFWINDOW wnd, int Saveas)
{
FILE *fp;
if (wnd->extension == NULL || Saveas) {
char FileName[MAX_PATH];
if (SaveAsDialogBox(FileName)) {
if (wnd->extension != NULL)
free(wnd->extension);
wnd->extension = DFmalloc(strlen(FileName)+1);
strcpy(wnd->extension, FileName);
AddTitle(wnd, NameComponent(FileName));
DfSendMessage(wnd, BORDER, 0, 0);
}
else
return;
}
if (wnd->extension != NULL)
{
DFWINDOW mwnd = MomentaryMessage("Saving the file");
if ((fp = fopen(wnd->extension, "wt")) != NULL)
{
fwrite(GetText(wnd), strlen(GetText(wnd)), 1, fp);
fclose(fp);
wnd->TextChanged = FALSE;
}
DfSendMessage(mwnd, CLOSE_WINDOW, 0, 0);
}
}
/* -------- delete a file ------------ */
static void EditDeleteFile(DFWINDOW wnd)
{
if (wnd->extension != NULL) {
if (strcmp(wnd->extension, Untitled)) {
char *fn = NameComponent(wnd->extension);
if (fn != NULL) {
char msg[30];
sprintf(msg, "Delete %s?", fn);
if (DfYesNoBox(msg)) {
unlink(wnd->extension);
DfSendMessage(wnd, CLOSE_WINDOW, 0, 0);
}
}
}
}
}
/* ------ display the row and column in the statusbar ------ */
static void ShowPosition(DFWINDOW wnd)
{
char status[30];
sprintf(status, "Line:%4d Column: %2d",
wnd->CurrLine, wnd->CurrCol);
DfSendMessage(GetParent(wnd), ADDSTATUS, (PARAM) status, 0);
}
/* window processing module for the editboxes */
static int EditorProc(DFWINDOW wnd,DFMESSAGE msg,PARAM p1,PARAM p2)
{
int rtn;
switch (msg)
{
case SETFOCUS:
if ((int)p1)
{
wnd->InsertMode = GetCommandToggle(&MainMenu, ID_INSERT);
wnd->WordWrapMode = GetCommandToggle(&MainMenu, ID_WRAP);
}
rtn = DefaultWndProc(wnd, msg, p1, p2);
if ((int)p1 == FALSE)
DfSendMessage(GetParent(wnd), ADDSTATUS, 0, 0);
else
ShowPosition(wnd);
return rtn;
case KEYBOARD_CURSOR:
rtn = DefaultWndProc(wnd, msg, p1, p2);
ShowPosition(wnd);
return rtn;
case DFM_COMMAND:
switch ((int) p1)
{
case ID_SEARCH:
DfSearchText(wnd);
return TRUE;
case ID_REPLACE:
DfReplaceText(wnd);
return TRUE;
case ID_SEARCHNEXT:
DfSearchNext(wnd);
return TRUE;
case ID_CUT:
CopyToClipboard(wnd);
DfSendMessage(wnd, DFM_COMMAND, ID_DELETETEXT, 0);
DfSendMessage(wnd, PAINT, 0, 0);
return TRUE;
case ID_COPY:
CopyToClipboard(wnd);
ClearTextBlock(wnd);
DfSendMessage(wnd, PAINT, 0, 0);
return TRUE;
case ID_PASTE:
PasteFromClipboard(wnd);
DfSendMessage(wnd, PAINT, 0, 0);
return TRUE;
case ID_DELETETEXT:
case ID_CLEAR:
rtn = DefaultWndProc(wnd, msg, p1, p2);
DfSendMessage(wnd, PAINT, 0, 0);
return rtn;
case ID_HELP:
DisplayHelp(wnd, "MEMOPADDOC");
return TRUE;
case ID_WRAP:
DfSendMessage(GetParent(wnd), DFM_COMMAND, ID_WRAP, 0);
wnd->WordWrapMode = cfg.WordWrap;
return TRUE;
case ID_INSERT:
DfSendMessage(GetParent(wnd), DFM_COMMAND, ID_INSERT, 0);
wnd->InsertMode = cfg.InsertMode;
DfSendMessage(NULL, SHOW_CURSOR, wnd->InsertMode, 0);
return TRUE;
default:
break;
}
break;
case CLOSE_WINDOW:
if (wnd->TextChanged)
{
char *cp = DFmalloc(25+strlen(GetTitle(wnd)));
DfSendMessage(wnd, SETFOCUS, TRUE, 0);
strcpy(cp, GetTitle(wnd));
strcat(cp, "\nText changed. Save it?");
if (DfYesNoBox(cp))
DfSendMessage(GetParent(wnd), DFM_COMMAND, ID_SAVE, 0);
free(cp);
}
wndpos = 0;
if (wnd->extension != NULL)
{
free(wnd->extension);
wnd->extension = NULL;
}
break;
default:
break;
}
return DefaultWndProc(wnd, msg, p1, p2);
}
/* -- point to the name component of a file specification -- */
static char *NameComponent(char *FileName)
{
char *Fname;
if ((Fname = strrchr(FileName, '\\')) == NULL)
if ((Fname = strrchr(FileName, ':')) == NULL)
Fname = FileName-1;
return Fname + 1;
}
static char *ports[] = {
"Lpt1", "Lpt2", "Lpt3",
"Com1", "Com2", "Com3", "Com4",
NULL
};
static int PrintSetupProc(DFWINDOW wnd, DFMESSAGE msg, PARAM p1, PARAM p2)
{
int rtn, i = 0, mar;
char marg[10];
DFWINDOW cwnd;
switch (msg)
{
case CREATE_WINDOW:
rtn = DefaultWndProc(wnd, msg, p1, p2);
PutItemText(wnd, ID_PRINTERPORT, cfg.PrinterPort);
while (ports[i] != NULL)
PutComboListText(wnd, ID_PRINTERPORT, ports[i++]);
for (mar = CHARSLINE; mar >= 0; --mar)
{
sprintf(marg, "%3d", mar);
PutItemText(wnd, ID_LEFTMARGIN, marg);
PutItemText(wnd, ID_RIGHTMARGIN, marg);
}
for (mar = LINESPAGE; mar >= 0; --mar)
{
sprintf(marg, "%3d", mar);
PutItemText(wnd, ID_TOPMARGIN, marg);
PutItemText(wnd, ID_BOTTOMMARGIN, marg);
}
cwnd = ControlWindow(&PrintSetup, ID_LEFTMARGIN);
DfSendMessage(cwnd, LB_SETSELECTION,
CHARSLINE-cfg.LeftMargin, 0);
cwnd = ControlWindow(&PrintSetup, ID_RIGHTMARGIN);
DfSendMessage(cwnd, LB_SETSELECTION,
CHARSLINE-cfg.RightMargin, 0);
cwnd = ControlWindow(&PrintSetup, ID_TOPMARGIN);
DfSendMessage(cwnd, LB_SETSELECTION,
LINESPAGE-cfg.TopMargin, 0);
cwnd = ControlWindow(&PrintSetup, ID_BOTTOMMARGIN);
DfSendMessage(cwnd, LB_SETSELECTION,
LINESPAGE-cfg.BottomMargin, 0);
return rtn;
case DFM_COMMAND:
if ((int) p1 == ID_OK && (int) p2 == 0)
{
GetItemText(wnd, ID_PRINTERPORT, cfg.PrinterPort, 4);
cwnd = ControlWindow(&PrintSetup, ID_LEFTMARGIN);
cfg.LeftMargin = CHARSLINE -
DfSendMessage(cwnd, LB_CURRENTSELECTION, 0, 0);
cwnd = ControlWindow(&PrintSetup, ID_RIGHTMARGIN);
cfg.RightMargin = CHARSLINE -
DfSendMessage(cwnd, LB_CURRENTSELECTION, 0, 0);
cwnd = ControlWindow(&PrintSetup, ID_TOPMARGIN);
cfg.TopMargin = LINESPAGE -
DfSendMessage(cwnd, LB_CURRENTSELECTION, 0, 0);
cwnd = ControlWindow(&PrintSetup, ID_BOTTOMMARGIN);
cfg.BottomMargin = LINESPAGE -
DfSendMessage(cwnd, LB_CURRENTSELECTION, 0, 0);
}
break;
default:
break;
}
return DefaultWndProc(wnd, msg, p1, p2);
}
static void FixTabMenu(void)
{
char *cp = GetCommandText(&MainMenu, ID_TABS);
char *p;
if (cp != NULL)
{
p = strchr(cp, '(');
if (p != NULL)
{
// *(p+1) = (char)(cfg.Tabs + '0');
// if (GetClass(inFocus) == POPDOWNMENU)
// DfSendMessage(inFocus, PAINT, 0, 0);
}
}
}
void PrepFileMenu(void *w, struct Menu *mnu)
{
DFWINDOW wnd = w;
DeactivateCommand(&MainMenu, ID_SAVE);
DeactivateCommand(&MainMenu, ID_SAVEAS);
DeactivateCommand(&MainMenu, ID_DELETEFILE);
DeactivateCommand(&MainMenu, ID_PRINT);
if (wnd != NULL && GetClass(wnd) == EDITBOX)
{
if (isMultiLine(wnd))
{
ActivateCommand(&MainMenu, ID_SAVE);
ActivateCommand(&MainMenu, ID_SAVEAS);
ActivateCommand(&MainMenu, ID_DELETEFILE);
ActivateCommand(&MainMenu, ID_PRINT);
}
}
}
void PrepSearchMenu(void *w, struct Menu *mnu)
{
DFWINDOW wnd = w;
DeactivateCommand(&MainMenu, ID_SEARCH);
DeactivateCommand(&MainMenu, ID_REPLACE);
DeactivateCommand(&MainMenu, ID_SEARCHNEXT);
if (wnd != NULL && GetClass(wnd) == EDITBOX)
{
if (isMultiLine(wnd))
{
ActivateCommand(&MainMenu, ID_SEARCH);
ActivateCommand(&MainMenu, ID_REPLACE);
ActivateCommand(&MainMenu, ID_SEARCHNEXT);
}
}
}
void PrepEditMenu(void *w, struct Menu *mnu)
{
DFWINDOW wnd = w;
DeactivateCommand(&MainMenu, ID_CUT);
DeactivateCommand(&MainMenu, ID_COPY);
DeactivateCommand(&MainMenu, ID_CLEAR);
DeactivateCommand(&MainMenu, ID_DELETETEXT);
DeactivateCommand(&MainMenu, ID_PARAGRAPH);
DeactivateCommand(&MainMenu, ID_PASTE);
DeactivateCommand(&MainMenu, ID_UNDO);
if (wnd != NULL && GetClass(wnd) == EDITBOX)
{
if (isMultiLine(wnd))
{
if (TextBlockMarked(wnd))
{
ActivateCommand(&MainMenu, ID_CUT);
ActivateCommand(&MainMenu, ID_COPY);
ActivateCommand(&MainMenu, ID_CLEAR);
ActivateCommand(&MainMenu, ID_DELETETEXT);
}
ActivateCommand(&MainMenu, ID_PARAGRAPH);
if (!TestAttribute(wnd, READONLY) && Clipboard != NULL)
ActivateCommand(&MainMenu, ID_PASTE);
if (wnd->DeletedText != NULL)
ActivateCommand(&MainMenu, ID_UNDO);
}
}
}
/* EOF */