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Archive   : MSQ320.ZIP
Filename : NSHOW.C

/* nshow.c
**
** released into the PUBLIC DOMAIN 10 jul 1994 by John Dennis
**
** Routines for displaying message information on
** the screen. This includes both text and header
** information.
*/

#include "msged.h"
#include "date.h"
#include "main.h"
#include "menu.h"
#include "keys.h"
#include "nshow.h"
#include "dialogs.h"

static LINE *top = NULL; /* top of screen */
static LINE *bottom = NULL; /* bottom of screen */

static char line[256]; /* used as temporary storage */
static WND *hMsgWnd, *hMsgCurr; /* main window and Msg window */
HotGroup Hot;



/*/$/ int InitScreen(void);
**
** Initializes the (basic) screen.
**
** returns -1 on failure (terminate).
*/

int InitScreen(void)
{
if (SW->usemouse == NO)
term.Abil |= NOMOUSE;

TTopen();

maxx = term.NCol;
maxy = term.NRow;

if ((hMnScr = WndOpen(0, 0, maxx-1, maxy-1, NBDR, 0, cm[CM_NTXT])) == NULL)
return 0;

SW->redraw = TRUE;

return 0;
}


/*
** Adds an item to a HotGroup.
*/

void AddHG(HotGroup *h, int num, int id, int x1, int y1, int x2, int y2)
{
h->harr[num].id = id;
h->harr[num].x1 = x1;
h->harr[num].y1 = y1;
h->harr[num].x2 = x2;
h->harr[num].y2 = y2;
}


/*/$/ void BuildHotSpots(void);
**
** Builds the Hot spots on the main window and
** initializes the menu system. We cannot use
** a hotspot for the menu system; We wish to
** send the messages un-altered to the menu
** processing function.
*/

void BuildHotSpots(void)
{
Hot.wid = hMnScr->wid;
Hot.num = 6;

AddHG(&Hot, 0, ID_MGRGT, maxx - 2, 6, maxx - 1, maxy - 1);
AddHG(&Hot, 1, ID_MGLFT, 0, 6, 1, maxy - 1);
AddHG(&Hot, 2, ID_SCRUP, 0, 6, maxx - 1, 7);
AddHG(&Hot, 3, ID_SCRDN, 0, maxy - 2, maxx - 1, maxy - 1);
AddHG(&Hot, 4, ID_LNDN, 65, 2, 69, 2);
AddHG(&Hot, 5, ID_LNUP, 70, 2, 75, 2);

/* Push the group onto the HotHroup stack */

PushHotGroup(&Hot);

/* Setup the mouse menu on top of the screen */
/* It'll use the parent window for displaying */
/* the menu, and we send any messages in that */
/* vicinity for processing by it */

MouseMnu.cmdtab[0].col = 0 + maxx - MNU_LEN - 1;
MouseMnu.cmdtab[1].col = 7 + maxx - MNU_LEN - 1;
MouseMnu.cmdtab[2].col = 14 + maxx - MNU_LEN - 1;
MouseMnu.cmdtab[3].col = 21 + maxx - MNU_LEN - 1;
MnuSetColours(cm[MN_BTXT], cm[MN_NTXT], cm[MN_STXT]);

/*
** Set up the dialog box colours.
*/

SetDialogColors();
}

/*/$/ void KillHotSpots(void);
**
** Kills the HotSpots on the stack.
*/

void KillHotSpots(void)
{
PopHotGroup();
}


/*/$/ void DrawHeader(void);
**
** Draws the msg header on the screen. This should
** only have to be drawn once during normal operation.
*/

void DrawHeader(void)
{
EVT e;

WClear(0, 0, maxx - 1, 0, cm[CM_ITXT]);

WWriteStr(0, 1, cm[CM_FTXT], "From:"); /* header info */
WWriteStr(0, 2, cm[CM_FTXT], "To:");
WWriteStr(0, 3, cm[CM_FTXT], "Subj:");
WWriteStr(0, 4, cm[CM_FTXT], "Attr:");

memset(line, 'Ä', maxx + 1); /* clear dividing line */
WPutsn(0, 5, maxx, cm[CM_DTXT], line);
/* mouse menu */
if (SW->usemouse)
{
ProcessMenu(&MouseMnu, &e, 1);
}
}


/*/$/ void ClearScreen(void);
**
** Clears the screen (only used with the list function to
** make it look bwtter when it returns).
**
*/

void ClearScreen(void)
{
WClear(0, 0, maxx - 1, maxy - 1, cm[CM_FTXT]);
}


/*/$/ void ClearMsgScreen(void);
**
** Clears message information (header and text)
** from the screen.
**
*/

void ClearMsgScreen(void)
{
WClear(7, 1, maxx - 1, 4, cm[CM_FTXT]); /* clear header info */
RefreshMsg(NULL, 6);
}


/*/$/ void ShowNewArea(void);
**
** Shows a new area on the screen.
**
*/

void ShowNewArea(void)
{
memset(line, 'Ä', maxx + 1); /* clear dividing line */
WPutsn(0, 5, maxx, cm[CM_DTXT], line);
WWriteStr(1, 5, cm[CM_NINF], CurArea.description);
if (SW->showaddr)
{ /* then show the current address */
sprintf(line, "%s", show_address(&CurArea.addr));
WWriteStr(strlen(CurArea.description) + 2, 5, cm[CM_NINF], line);
}
}


int OpenMsgWnd(int wid, int dep, char *title, char *msg, int x, int y)
{
hMsgCurr = Wtop();
hMsgWnd = WPopUp(wid, dep, INSBDR|SHADOW, cm[IP_BTXT], cm[IP_NTXT]);

if (!hMsgWnd)
return 0;

if (title)
{
WTitle(title, cm[IP_BTXT]);
}

if (msg)
{
WWriteStr(x, y, cm[IP_NTXT], msg);
}
return 1;
}

void SendMsgWnd(char *msg, int y)
{
WND *hCurr;

hCurr = Wtop();

if (!hCurr) return;

WClearLine(y, cm[IP_NTXT]);
WPutsCen(y, cm[IP_NTXT], msg);
}

int CloseMsgWnd(void)
{
WClose(hMsgWnd);
WCurr(hMsgCurr);
return (0);
}



/*/$/ void MakeMsgAttrs(char *buf, struct _attributes *att);
**
** Builds a text version of the attributes set
** in an _attribute structure.
**
*/

void MakeMsgAttrs(char *buf, struct _attributes *att, int scanned)
{
char nul[] = "";

sprintf(buf, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
(att->private) ? "priv " : nul,
(att->crash) ? "crash " : nul,
(att->recvd) ? "recvd " : nul,
(att->sent) ? "sent " : nul,
(att->attached) ? "f/a " : nul,
(att->killsent) ? "k/s " : nul,
(att->freq) ? "freq " : nul,
(att->ureq) ? "ureq " : nul,
(att->hold) ? "hold " : nul,
(att->orphan) ? "orph " : nul,
(att->forward) ? "trans " : nul,
(att->local) ? "local " : nul,
(att->direct) ? "dir " : nul,
(att->rreq) ? "rreq " : nul,
(att->rcpt) ? "rcpt " : nul,
(att->areq) ? "areq " : nul,
(scanned) ? "scanned ": nul);
}

void ShowAddress(ADDRESS *addr, int y)
{
sprintf(line, " %s", show_address(addr));
WPutsn(32, y, 26, cm[CM_HTXT], line);
return;
}

void ShowNameAddress(char *name, ADDRESS *addr, int y, int newrcvd, int nm_only)
{
if (addr->fidonet || (addr->notfound && !(CurArea.uucp || CurArea.news)))
{
/*
** Show fidonet-type names.
*/

if (nm_only)
{
if (name)
sprintf(line, "%s,", name);
else
strcpy(line, ", ");
}
else
{
if (CurArea.netmail || (CurArea.echomail && y == 1))
{
if (name)
sprintf(line, "%s, %s", name, show_address(addr));
else
sprintf(line, ", %s", show_address(addr));
}
else
{
if (name)
sprintf(line, "%s", name);
else
strcpy(line, " ");
}
}
if (newrcvd)
WPutsn(7, y, 53, cm[CM_BTXT], line);
else
WPutsn(7, y, 53, cm[CM_HTXT], line);
}
else
{
/*
** Show internet-type names.
*/

if (name == NULL)
{
sprintf(line, "%s", show_address(addr));
WPutsn(7, y, 53, cm[CM_HTXT], line);
}
else
{
sprintf(line, "%s (%s)", show_address(addr), name);
if (newrcvd)
WPutsn(7, y, 53, cm[CM_BTXT], line);
else
WPutsn(7, y, 54, cm[CM_HTXT], line);
}
}
}

void ShowSubject(char *subj)
{
WPutsn(7, 3, 72, cm[CM_HTXT], subj);
}

void ShowAttrib(msg *m)
{
MakeMsgAttrs(line, &m->attrib, m->scanned);
if (SW->datearrived)
WPutsn(7, 4, 52, cm[CM_HTXT], line);
else
WPutsn(7, 4, 72, cm[CM_HTXT], line);
}


/*/$/ void ShowMsgHeader(msg *m);
**
** Puts the message header onto the screen.
**
*/

void ShowMsgHeader(msg *m)
{
int i, r = 0;
unsigned long rep = 0;

if (!m)
{
strcpy(line, "0 of 0 ");
}
else
{
sprintf(line,
"%ld of %ld ",
CurArea.current,
CurArea.messages);
}

line[16] = '\0';

WPutsn(0, 0, 16, cm[CM_ITXT], line);

#if defined(MSDOS)
sprintf(line, " %ld ", corerem());
WWriteStr(67, 5, cm[CM_DTXT], line);
#endif
if (SW->showtime)
{
WPrintf(40, 5, cm[CM_HTXT], " %s ", itime(time(NULL)));
}

if (m == NULL)
return;

/*
** Show the date of creation and the date of arrival.
*/

WPrintf(60, 1, cm[CM_HTXT], "%s", mtime(m->timestamp));

if (SW->datearrived && m->time_arvd != 0 && m->time_arvd != m->timestamp)
WPrintf(60, 4, cm[CM_HTXT], "%s", mtime(m->time_arvd));
else
WPutsn(60, 4, 19, cm[CM_HTXT], " ");

/*
** Show the message links, up and down.
*/

if (m->replyto)
{
sprintf(line, "%6ld\x11", m->replyto);
}
else
{
strcpy(line, " ");
}
line[7] = '\0';
WPrintf(63, 2, cm[CM_FTXT], line);

for (i = 0; i < 10; i++)
{
if (m->replies[i] != 0)
{
if (!rep)
{
rep = m->replies[i];
}
r++;
}
}

if (rep && (r == 1))
{
sprintf(line, "\x10%ld ", rep);
}
else if (rep && (r > 1))
{
sprintf(line, "\x10\x10%ld ", rep);
}
else
{
strcpy(line, " ");
}
line[8] = '\0';
WWriteStr(70, 2, cm[CM_FTXT], line);

/*
** Display the rest of the header information.
*/

ShowNameAddress(m->isfrom, &m->from, 1, 0, 0);
ShowNameAddress(m->isto, &m->to, 2, m->newrcvd, 0);
ShowSubject(m->subj);
ShowAttrib(m);
}

void PutLine(LINE *l, int y)
{
int Attr = (l->block) ? cm[CM_BTXT] : (l->quote) ? cm[CM_QTXT] : (l->hide) ? cm[CM_KTXT] : (l->templt) ? cm[CM_TTXT] : cm[CM_NTXT];
char *s;

/* debug mode, so we can see the details.. */

strcpy(line, l->text);

if ((s = strchr(line, '\n')) != NULL)
{
if (SW->showcr)
*s = '';
else
*s = '\0';
}

if (SW->showeol && SW->showcr)
strcat(line, "");

WPutsn(0, y, maxx, Attr, line);
}

void MsgScroll(int Dir)
{
WScroll(0, 6, maxx-1, maxy - 1, Dir);
}

void Go_Up(void)
{
if (!message)
return;

if (top == NULL) return;

if (top->prev)
{
while (top->prev) /* we want to skip hidden lines */
{
top = top->prev;
if (SW->shownotes || (*(top->text) != '\01'))
{
MsgScroll(0);
PutLine(top, 6);
break; /* stop when we atctually write something */
}
}
}
}

void Go_Dwn(void)
{
int i = 1;

if (!message)
return;

if (top == NULL) return;

for (bottom = top; i < maxy - 6; bottom = bottom->next)
{
if (!bottom->next) break;
i++;
}

if (i == maxy - 6)
{
if (bottom->next)
{
bottom = bottom->next;
top = top->next;
MsgScroll(1);
PutLine(bottom, maxy - 1);
}
}
}

void Go_PgDwn(void)
{
int i;

if (!message)
return;

if (top == NULL) return;

for (i = 0; i < maxy - 6; i++)
{
if (!top->next) break;
top = top->next;
}
if (i != 0)
RefreshMsg(top, 6);
}

void Go_PgUp(void)
{
int i;

if (!message)
return;

if (top == NULL) return;

for (i = 0; i < maxy - 6; i++)
{
if (!top->prev) break;
top = top->prev;
}
if (i != 0)
RefreshMsg(top, 6);
}

void RefreshMsg(LINE *line, int y)
{
LINE *t = line;
LINE l = {" ", 0, 0, 0, 0, 0, NULL, NULL};
int i = y;

top = line;

if (y >= maxy)
return;

if (!line)
{
WClear(0, y, maxx - 1, maxy - 1, cm[CM_NTXT]);
return;
}

while (t && i <= maxy - 1)
{
PutLine(t, i);
t = t->next; i++;
}
if (i <= maxy - 1)
{
while (i <= maxy - 1)
{
PutLine(&l, i);
i++;
}
}
}

/* end */