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nethack/win/win32/mhmsgwnd.c
nethack.allison 1fd577124b win32 bits for main trunk (from <Someone>) 
- set correct checkmark on "Lock Windows" menu item on startup
- redraw message window on resizing (it does not update properly otherwise)
- fixed copy/paste error in read registry settings function
2003-08-20 11:39:57 +00:00

775 lines
22 KiB
C
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/* Copyright (C) 2001 by Alex Kompel <shurikk@pacbell.net> */
/* NetHack may be freely redistributed. See license for details. */
#include "winMS.h"
#include "mhmsgwnd.h"
#include "mhmsg.h"
#include "mhfont.h"
#define MSG_WRAP_TEXT
#define MSG_VISIBLE_LINES max(iflags.wc_vary_msgcount, 2)
#define MAX_MSG_LINES 32
#define MSG_LINES (int)min(iflags.msg_history, MAX_MSG_LINES)
#define MAXWINDOWTEXT TBUFSZ
#define DEFAULT_COLOR_BG_MSG COLOR_WINDOW
#define DEFAULT_COLOR_FG_MSG COLOR_WINDOWTEXT
#define MORE "--More--"
struct window_line {
int attr;
char text[MAXWINDOWTEXT+1];
};
typedef struct mswin_nethack_message_window {
size_t max_text;
struct window_line window_text[MAX_MSG_LINES];
int lines_last_turn; /* lines added during the last turn */
int lines_not_seen; /* lines not yet seen by user after last turn or --More-- */
int nevermore; /* We want no more --More-- prompts */
int xChar; /* horizontal scrolling unit */
int yChar; /* vertical scrolling unit */
int xUpper; /* average width of uppercase letters */
int xPos; /* current horizontal scrolling position */
int yPos; /* current vertical scrolling position */
int xMax; /* maximum horizontal scrolling position */
int yMax; /* maximum vertical scrolling position */
int xPage; /* page size of horizontal scroll bar */
} NHMessageWindow, *PNHMessageWindow;
static TCHAR szMessageWindowClass[] = TEXT("MSNHMessageWndClass");
LRESULT CALLBACK NHMessageWndProc(HWND, UINT, WPARAM, LPARAM);
static void register_message_window_class(void);
static void onMSNHCommand(HWND hWnd, WPARAM wParam, LPARAM lParam);
static void onMSNH_VScroll(HWND hWnd, WPARAM wParam, LPARAM lParam);
#ifndef MSG_WRAP_TEXT
static void onMSNH_HScroll(HWND hWnd, WPARAM wParam, LPARAM lParam);
#endif
static COLORREF setMsgTextColor(HDC hdc, int gray);
static void onPaint(HWND hWnd);
static void onCreate(HWND hWnd, WPARAM wParam, LPARAM lParam);
static BOOL can_append_text(HWND hWnd, int attr, const char* text );
/* check if text can be appended to the last line without wrapping */
static BOOL more_prompt_check(HWND hWnd);
/* check if "--more--" promt needs to be displayed */
#ifdef USER_SOUNDS
extern void play_sound_for_message(const char* str);
#endif
HWND mswin_init_message_window () {
static int run_once = 0;
HWND ret;
DWORD style;
RECT rt;
if( !run_once ) {
register_message_window_class( );
run_once = 1;
}
/* get window position */
if( GetNHApp()->bAutoLayout ) {
SetRect( &rt, 0, 0, 0, 0);
} else {
mswin_get_window_placement(NHW_MESSAGE, &rt);
}
#ifdef MSG_WRAP_TEXT
style = WS_CHILD | WS_CLIPSIBLINGS | WS_VSCROLL | WS_SIZEBOX;
#else
style = WS_CHILD | WS_CLIPSIBLINGS | WS_VSCROLL | WS_HSCROLL | WS_SIZEBOX;
#endif
ret = CreateWindowEx(
WS_EX_CLIENTEDGE,
szMessageWindowClass, /* registered class name */
NULL, /* window name */
style, /* window style */
rt.left, /* horizontal position of window */
rt.top, /* vertical position of window */
rt.right - rt.left, /* window width */
rt.bottom - rt.top, /* window height */
GetNHApp()->hMainWnd, /* handle to parent or owner window */
NULL, /* menu handle or child identifier */
GetNHApp()->hApp, /* handle to application instance */
NULL ); /* window-creation data */
if( !ret ) panic("Cannot create message window");
/* Set window caption */
SetWindowText(ret, "Messages");
return ret;
}
void register_message_window_class()
{
WNDCLASS wcex;
ZeroMemory( &wcex, sizeof(wcex));
wcex.style = CS_NOCLOSE;
wcex.lpfnWndProc = (WNDPROC)NHMessageWndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = GetNHApp()->hApp;
wcex.hIcon = NULL;
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = message_bg_brush ? message_bg_brush : SYSCLR_TO_BRUSH(DEFAULT_COLOR_BG_MSG);
wcex.lpszMenuName = NULL;
wcex.lpszClassName = szMessageWindowClass;
RegisterClass(&wcex);
}
LRESULT CALLBACK NHMessageWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_CREATE:
onCreate( hWnd, wParam, lParam );
break;
case WM_MSNH_COMMAND:
onMSNHCommand(hWnd, wParam, lParam);
break;
case WM_PAINT:
onPaint(hWnd);
break;
case WM_SETFOCUS:
SetFocus(GetNHApp()->hMainWnd);
break;
#ifndef MSG_WRAP_TEXT
case WM_HSCROLL:
onMSNH_HScroll(hWnd, wParam, lParam);
break;
#endif
case WM_VSCROLL:
onMSNH_VScroll(hWnd, wParam, lParam);
break;
case WM_DESTROY:
{
PNHMessageWindow data;
data = (PNHMessageWindow)GetWindowLong(hWnd, GWL_USERDATA);
free(data);
SetWindowLong(hWnd, GWL_USERDATA, (LONG)0);
} break;
case WM_SIZE:
{
SCROLLINFO si;
int xNewSize;
int yNewSize;
PNHMessageWindow data;
RECT rt;
data = (PNHMessageWindow)GetWindowLong(hWnd, GWL_USERDATA);
xNewSize = LOWORD(lParam);
yNewSize = HIWORD(lParam);
if( xNewSize>0 || yNewSize>0 ) {
#ifndef MSG_WRAP_TEXT
data->xPage = xNewSize/data->xChar;
data->xMax = max(0, (int)(1 + data->max_text - data->xPage));
data->xPos = min(data->xPos, data->xMax);
ZeroMemory(&si, sizeof(si));
si.cbSize = sizeof(si);
si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
si.nMin = 0;
si.nMax = data->max_text;
si.nPage = data->xPage;
si.nPos = data->xPos;
SetScrollInfo(hWnd, SB_HORZ, &si, TRUE);
#endif
data->yMax = MSG_LINES-1;
data->yPos = min(data->yPos, data->yMax);
ZeroMemory(&si, sizeof(si));
si.cbSize = sizeof(si);
si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS;
si.nMin = MSG_VISIBLE_LINES;
si.nMax = data->yMax + MSG_VISIBLE_LINES - 1;
si.nPage = MSG_VISIBLE_LINES;
si.nPos = data->yPos;
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
}
/* update NetHack internal window position */
GetWindowRect(hWnd, &rt);
ScreenToClient(GetNHApp()->hMainWnd, (LPPOINT)&rt);
ScreenToClient(GetNHApp()->hMainWnd, ((LPPOINT)&rt)+1);
mswin_update_window_placement(NHW_MESSAGE, &rt);
/* redraw window - it does not handle incremental resizing too well */
InvalidateRect(hWnd, NULL, TRUE);
}
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
void onMSNHCommand(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
PNHMessageWindow data;
data = (PNHMessageWindow)GetWindowLong(hWnd, GWL_USERDATA);
switch( wParam ) {
case MSNH_MSG_PUTSTR:
{
PMSNHMsgPutstr msg_data = (PMSNHMsgPutstr)lParam;
SCROLLINFO si;
char* p;
if( msg_data->append == 1) {
/* Forcibly append to line, even if we pass the edge */
strncat(data->window_text[MSG_LINES-1].text, msg_data->text,
MAXWINDOWTEXT - strlen(data->window_text[MSG_LINES-1].text));
} else if( msg_data->append < 0) {
/* remove that many chars */
int len = strlen(data->window_text[MSG_LINES-1].text);
int newend = max(len + msg_data->append, 0);
data->window_text[MSG_LINES-1].text[newend] = '\0';
} else {
if( can_append_text(hWnd, msg_data->attr, msg_data->text ) ) {
strncat(data->window_text[MSG_LINES-1].text, " ", MAXWINDOWTEXT-strlen(data->window_text[MSG_LINES-1].text));
strncat(data->window_text[MSG_LINES-1].text, msg_data->text, MAXWINDOWTEXT-strlen(data->window_text[MSG_LINES-1].text));
} else {
/* check for "--more--" */
if( !data->nevermore && more_prompt_check(hWnd) ) {
int okkey = 0;
int chop;
// @@@ Ok respnses
/* append more prompt and inticate the update */
strncat(data->window_text[MSG_LINES-1].text, MORE, MAXWINDOWTEXT - strlen(data->window_text[MSG_LINES-1].text));
InvalidateRect(hWnd, NULL, TRUE);
/* get the input */
while (!okkey) {
char c = mswin_nhgetch();
switch (c)
{
/* space or enter */
case ' ':
case '\015':
okkey = 1;
break;
/* ESC */
case '\033':
data->nevermore = 1;
okkey = 1;
break;
default:
break;
}
}
/* erase the "--more--" prompt */
chop = strlen(data->window_text[MSG_LINES-1].text) - strlen(MORE);
data->window_text[MSG_LINES-1].text[chop] = '\0';
data->lines_not_seen = 0;
}
/* check if the string is empty */
for(p = data->window_text[MSG_LINES-1].text; *p && isspace(*p); p++);
if( *p ) {
/* last string is not empty - scroll up */
memmove(&data->window_text[0],
&data->window_text[1],
(MSG_LINES-1)*sizeof(data->window_text[0]));
}
/* append new text to the end of the array */
data->window_text[MSG_LINES-1].attr = msg_data->attr;
strncpy(data->window_text[MSG_LINES-1].text, msg_data->text, MAXWINDOWTEXT);
data->lines_not_seen++;
data->lines_last_turn++;
}
}
/* reset V-scroll position to display new text */
data->yPos = data->yMax;
ZeroMemory(&si, sizeof(si));
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
si.nPos = data->yPos;
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
/* update window content */
InvalidateRect(hWnd, NULL, TRUE);
#ifdef USER_SOUNDS
play_sound_for_message(msg_data->text);
#endif
}
break;
case MSNH_MSG_CLEAR_WINDOW:
{
data->lines_last_turn = 0;
data->lines_not_seen = 0;
data->nevermore = 0;
break;
}
case MSNH_MSG_CARET:
/* Create or destroy a caret */
if (*(int *)lParam)
CreateCaret(hWnd, NULL, 0, data->yChar);
else {
DestroyCaret();
/* this means we just did something interactive in this window, so we
don't need a --More-- for the lines above.
*/
data->lines_not_seen = 0;
}
break;
}
}
void onMSNH_VScroll(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
PNHMessageWindow data;
SCROLLINFO si;
int yInc;
/* get window data */
data = (PNHMessageWindow)GetWindowLong(hWnd, GWL_USERDATA);
ZeroMemory(&si, sizeof(si));
si.cbSize = sizeof(si);
si.fMask = SIF_PAGE | SIF_POS;
GetScrollInfo(hWnd, SB_VERT, &si);
switch(LOWORD (wParam))
{
// User clicked the shaft above the scroll box.
case SB_PAGEUP:
yInc = -(int)si.nPage;
break;
// User clicked the shaft below the scroll box.
case SB_PAGEDOWN:
yInc = si.nPage;
break;
// User clicked the top arrow.
case SB_LINEUP:
yInc = -1;
break;
// User clicked the bottom arrow.
case SB_LINEDOWN:
yInc = 1;
break;
// User dragged the scroll box.
case SB_THUMBTRACK:
yInc = HIWORD(wParam) - data->yPos;
break;
default:
yInc = 0;
}
// If applying the vertical scrolling increment does not
// take the scrolling position out of the scrolling range,
// increment the scrolling position, adjust the position
// of the scroll box, and update the window. UpdateWindow
// sends the WM_PAINT message.
if (yInc = max( MSG_VISIBLE_LINES - data->yPos,
min(yInc, data->yMax - data->yPos)))
{
data->yPos += yInc;
/* ScrollWindowEx(hWnd, 0, -data->yChar * yInc,
(CONST RECT *) NULL, (CONST RECT *) NULL,
(HRGN) NULL, (LPRECT) NULL, SW_INVALIDATE | SW_ERASE);
*/
InvalidateRect(hWnd, NULL, TRUE);
ZeroMemory(&si, sizeof(si));
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
si.nPos = data->yPos;
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
UpdateWindow (hWnd);
}
}
#ifndef MSG_WRAP_TEXT
void onMSNH_HScroll(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
PNHMessageWindow data;
SCROLLINFO si;
int xInc;
/* get window data */
data = (PNHMessageWindow)GetWindowLong(hWnd, GWL_USERDATA);
ZeroMemory(&si, sizeof(si));
si.cbSize = sizeof(si);
si.fMask = SIF_PAGE;
GetScrollInfo(hWnd, SB_HORZ, &si);
switch(LOWORD (wParam))
{
// User clicked shaft left of the scroll box.
case SB_PAGEUP:
xInc = - (int)si.nPage;
break;
// User clicked shaft right of the scroll box.
case SB_PAGEDOWN:
xInc = si.nPage;
break;
// User clicked the left arrow.
case SB_LINEUP:
xInc = -1;
break;
// User clicked the right arrow.
case SB_LINEDOWN:
xInc = 1;
break;
// User dragged the scroll box.
case SB_THUMBTRACK:
xInc = HIWORD(wParam) - data->xPos;
break;
default:
xInc = 0;
}
// If applying the horizontal scrolling increment does not
// take the scrolling position out of the scrolling range,
// increment the scrolling position, adjust the position
// of the scroll box, and update the window.
if (xInc = max (-data->xPos, min (xInc, data->xMax - data->xPos)))
{
data->xPos += xInc;
ScrollWindowEx (hWnd, -data->xChar * xInc, 0,
(CONST RECT *) NULL, (CONST RECT *) NULL,
(HRGN) NULL, (LPRECT) NULL, SW_INVALIDATE | SW_ERASE);
ZeroMemory(&si, sizeof(si));
si.cbSize = sizeof(si);
si.fMask = SIF_POS;
si.nPos = data->xPos;
SetScrollInfo(hWnd, SB_HORZ, &si, TRUE);
UpdateWindow (hWnd);
}
}
#endif // MSG_WRAP_TEXT
COLORREF setMsgTextColor(HDC hdc, int gray)
{
COLORREF fg, color1, color2;
if (gray) {
if (message_bg_brush) {
color1 = message_bg_color;
color2 = message_fg_color;
} else {
color1 = (COLORREF)GetSysColor(DEFAULT_COLOR_BG_MSG);
color2 = (COLORREF)GetSysColor(DEFAULT_COLOR_FG_MSG);
}
/* Make a "gray" color by taking the average of the individual R,G,B
components of two colors. Thanks to Jonathan del Strother */
fg = RGB((GetRValue(color1)+GetRValue(color2))/2,
(GetGValue(color1)+GetGValue(color2))/2,
(GetBValue(color1)+GetBValue(color2))/2);
} else {
fg = message_fg_brush ? message_fg_color : (COLORREF)GetSysColor(DEFAULT_COLOR_FG_MSG);
}
return SetTextColor(hdc, fg);
}
void onPaint(HWND hWnd)
{
PAINTSTRUCT ps;
HDC hdc;
PNHMessageWindow data;
RECT client_rt, draw_rt;
int FirstLine, LastLine;
int i, x, y;
HGDIOBJ oldFont;
TCHAR wbuf[MAXWINDOWTEXT+2];
size_t wlen;
COLORREF OldBg, OldFg;
int do_more = 0;
hdc = BeginPaint(hWnd, &ps);
OldBg = SetBkColor(hdc, message_bg_brush ? message_bg_color : (COLORREF)GetSysColor(DEFAULT_COLOR_BG_MSG));
OldFg = setMsgTextColor(hdc, 0);
data = (PNHMessageWindow)GetWindowLong(hWnd, GWL_USERDATA);
GetClientRect(hWnd, &client_rt);
if( !IsRectEmpty(&ps.rcPaint) ) {
FirstLine = max (0, data->yPos - (client_rt.bottom - ps.rcPaint.top)/data->yChar + 1);
LastLine = min (MSG_LINES-1, data->yPos - (client_rt.bottom - ps.rcPaint.bottom)/data->yChar);
y = min( ps.rcPaint.bottom, client_rt.bottom );
for (i=LastLine; i>=FirstLine; i--) {
x = data->xChar * (2 - data->xPos);
draw_rt.left = x;
draw_rt.right = client_rt.right;
draw_rt.top = y - data->yChar;
draw_rt.bottom = y;
oldFont = SelectObject(hdc, mswin_get_font(NHW_MESSAGE, data->window_text[i].attr, hdc, FALSE));
/* convert to UNICODE */
NH_A2W(data->window_text[i].text, wbuf, sizeof(wbuf));
wlen = _tcslen(wbuf);
setMsgTextColor(hdc, i < (MSG_LINES - data->lines_last_turn));
#ifdef MSG_WRAP_TEXT
/* Find out how large the bounding rectangle of the text is */
DrawText(hdc, wbuf, wlen, &draw_rt, DT_NOPREFIX | DT_WORDBREAK | DT_CALCRECT);
/* move that rectangle up, so that the bottom remains at the same height */
draw_rt.top = y - (draw_rt.bottom - draw_rt.top);
draw_rt.bottom = y;
/* Now really draw it */
DrawText(hdc, wbuf, wlen, &draw_rt, DT_NOPREFIX | DT_WORDBREAK);
/* Find out the cursor (caret) position */
if (i == MSG_LINES-1) {
int nnum, numfit;
SIZE size;
TCHAR *nbuf;
int nlen;
nbuf = wbuf;
nlen = wlen;
while (nlen) {
/* Get the number of characters that fit on the line */
GetTextExtentExPoint(hdc, nbuf, nlen, draw_rt.right - draw_rt.left, &numfit, NULL, &size);
/* Search back to a space */
nnum = numfit;
if (numfit < nlen) {
while (nnum > 0 && nbuf[nnum] != ' ')
nnum--;
/* If no space found, break wherever */
if (nnum == 0)
nnum = numfit;
}
nbuf += nnum;
nlen -= nnum;
if (*nbuf == ' ') {
nbuf++;
nlen--;
}
}
/* The last size is the size of the last line. Set the caret there.
This will fail automatically if we don't own the caret (i.e.,
when not in a question.)
*/
SetCaretPos(draw_rt.left + size.cx, draw_rt.bottom - data->yChar);
}
#else
DrawText(hdc, wbuf, wlen, &draw_rt, DT_NOPREFIX );
SetCaretPos(draw_rt.left + size.cx, draw_rt.bottom - data->yChar);
#endif
SelectObject(hdc, oldFont);
y -= draw_rt.bottom - draw_rt.top;
}
}
SetTextColor (hdc, OldFg);
SetBkColor (hdc, OldBg);
EndPaint(hWnd, &ps);
}
void onCreate(HWND hWnd, WPARAM wParam, LPARAM lParam)
{
PNHMessageWindow data;
SIZE dummy;
/* set window data */
data = (PNHMessageWindow)malloc(sizeof(NHMessageWindow));
if( !data ) panic("out of memory");
ZeroMemory(data, sizeof(NHMessageWindow));
data->max_text = MAXWINDOWTEXT;
SetWindowLong(hWnd, GWL_USERDATA, (LONG)data);
/* re-calculate window size (+ font size) */
mswin_message_window_size(hWnd, &dummy);
}
void mswin_message_window_size (HWND hWnd, LPSIZE sz)
{
HDC hdc;
HGDIOBJ saveFont;
TEXTMETRIC tm;
PNHMessageWindow data;
RECT rt, client_rt;
data = (PNHMessageWindow)GetWindowLong(hWnd, GWL_USERDATA);
if( !data ) return;
/* -- Calculate the font size -- */
/* Get the handle to the client area's device context. */
hdc = GetDC(hWnd);
saveFont = SelectObject(hdc, mswin_get_font(NHW_MESSAGE, ATR_NONE, hdc, FALSE));
/* Extract font dimensions from the text metrics. */
GetTextMetrics (hdc, &tm);
data->xChar = tm.tmAveCharWidth;
data->xUpper = (tm.tmPitchAndFamily & 1 ? 3 : 2) * data->xChar/2;
data->yChar = tm.tmHeight + tm.tmExternalLeading;
data->xPage = 1;
/* Free the device context. */
SelectObject(hdc, saveFont);
ReleaseDC (hWnd, hdc);
/* -- calculate window size -- */
GetWindowRect(hWnd, &rt);
sz->cx = rt.right - rt.left;
sz->cy = rt.bottom - rt.top;
/* set size to accomodate MSG_VISIBLE_LINES and
horizontal scroll bar (difference between window rect and client rect */
GetClientRect(hWnd, &client_rt);
sz->cy = sz->cy - (client_rt.bottom - client_rt.top) +
data->yChar * MSG_VISIBLE_LINES;
}
/* check if text can be appended to the last line without wrapping */
BOOL can_append_text(HWND hWnd, int attr, const char* text )
{
PNHMessageWindow data;
char tmptext[MAXWINDOWTEXT+1];
HDC hdc;
HGDIOBJ saveFont;
RECT draw_rt;
BOOL retval = FALSE;
data = (PNHMessageWindow)GetWindowLong(hWnd, GWL_USERDATA);
/* cannot append if lines_not_seen is 0 (beginning of the new turn */
if( data->lines_not_seen==0 ) return FALSE;
/* cannot append text with different attrbutes */
if( data->window_text[MSG_LINES-1].attr != attr ) return FALSE;
/* check if the maximum string langth will be exceeded */
if( strlen(data->window_text[MSG_LINES-1].text)+
2 + /* space characters */
strlen(text) +
strlen(MORE) >= MAXWINDOWTEXT ) return FALSE;
/* check if the text is goinf to fin into a single line */
strcpy(tmptext, data->window_text[MSG_LINES-1].text );
strcat(tmptext, " " );
strcat(tmptext, text );
strcat(tmptext, MORE );
hdc = GetDC(hWnd);
saveFont = SelectObject(hdc, mswin_get_font(NHW_MESSAGE, data->window_text[MSG_LINES-1].attr, hdc, FALSE));
GetClientRect(hWnd, &draw_rt);
draw_rt.bottom = draw_rt.top; /* we only need width for the DrawText */
DrawText(hdc, tmptext, strlen(tmptext), &draw_rt, DT_NOPREFIX | DT_WORDBREAK | DT_CALCRECT);
/* we will check against 1.5 of the font size in order to determine
if the text is single-line or not - just to be on the safe size */
retval = (draw_rt.bottom-draw_rt.top)<(data->yChar+data->yChar/2);
/* free device context */
SelectObject(hdc, saveFont);
ReleaseDC (hWnd, hdc);
return retval;
}
/* check if "--more--" promt needs to be displayed
basically, check if the lines not seen are going to find in the message window
*/
BOOL more_prompt_check(HWND hWnd)
{
PNHMessageWindow data;
HDC hdc;
HGDIOBJ saveFont;
RECT client_rt, draw_rt;
BOOL retval = FALSE;
int visible_lines = 0;
int i;
int remaining_height;
char tmptext[MAXWINDOWTEXT+1];
data = (PNHMessageWindow)GetWindowLong(hWnd, GWL_USERDATA);
if( data->lines_not_seen==0 ) return FALSE; /* don't bother checking - nothig to "more" */
if( data->lines_not_seen>=MSG_LINES ) return TRUE; /* history size exceeded - always more */
GetClientRect(hWnd, &client_rt);
remaining_height = client_rt.bottom - client_rt.top;
hdc = GetDC(hWnd);
saveFont = SelectObject(hdc, mswin_get_font(NHW_MESSAGE, ATR_NONE, hdc, FALSE));
for( i=0; i<data->lines_not_seen; i++ ) {
/* we only need width for the DrawText */
SetRect(&draw_rt, client_rt.left, client_rt.top, client_rt.right, client_rt.top);
SelectObject(hdc, mswin_get_font(NHW_MESSAGE, data->window_text[MSG_LINES-i-1].attr, hdc, FALSE));
strcpy(tmptext, data->window_text[MSG_LINES-i-1].text );
if( i==0 ) strcat(tmptext, MORE );
remaining_height -=
DrawText( hdc,
tmptext,
strlen(tmptext),
&draw_rt,
DT_NOPREFIX | DT_WORDBREAK | DT_CALCRECT
);
if( remaining_height<=0 ) break;
}
/* free device context */
SelectObject(hdc, saveFont);
ReleaseDC (hWnd, hdc);
return (remaining_height<=0); /* TRUE if lines_not_seen take more that window height */
}
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