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/*
Chat module plugin for Miranda IM
Copyright (C) 2003 Jörgen Persson
Copyright 2003-2009 Miranda ICQ/IM project,
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "../commonheaders.h"
#ifndef EM_GETSCROLLPOS
#define EM_GETSCROLLPOS (WM_USER+221)
#endif
static DWORD CALLBACK Log_StreamCallback(DWORD_PTR dwCookie, LPBYTE pbBuff, LONG cb, LONG * pcb)
{
LOGSTREAMDATA *lstrdat = (LOGSTREAMDATA*)dwCookie;
if (lstrdat) {
// create the RTF
if (lstrdat->buffer == NULL) {
lstrdat->bufferOffset = 0;
lstrdat->buffer = pci->Log_CreateRTF(lstrdat);
lstrdat->bufferLen = lstrlenA(lstrdat->buffer);
}
// give the RTF to the RE control
*pcb = min(cb, lstrdat->bufferLen - lstrdat->bufferOffset);
CopyMemory(pbBuff, lstrdat->buffer + lstrdat->bufferOffset, *pcb);
lstrdat->bufferOffset += *pcb;
// free stuff if the streaming operation is complete
if (lstrdat->bufferOffset == lstrdat->bufferLen) {
mir_free(lstrdat->buffer);
lstrdat->buffer = NULL;
}
}
return 0;
}
void Log_StreamInEvent(HWND hwndDlg, LOGINFO* lin, SESSION_INFO *si, BOOL bRedraw)
{
if (hwndDlg == 0 || lin == 0 || si == 0)
return;
HWND hwndRich = GetDlgItem(hwndDlg, IDC_CHAT_LOG);
LOGSTREAMDATA streamData;
ZeroMemory(&streamData, sizeof(streamData));
streamData.hwnd = hwndRich;
streamData.si = si;
streamData.lin = lin;
streamData.bStripFormat = FALSE;
streamData.isFirst = bRedraw ? 1 : (GetRichTextLength(hwndRich, CP_ACP, FALSE) == 0);
if (!bRedraw && si->iType == GCW_CHATROOM && si->bFilterEnabled && !(si->iLogFilterFlags & lin->iType))
return;
BOOL bFlag = FALSE;
EDITSTREAM stream = { 0 };
stream.pfnCallback = Log_StreamCallback;
stream.dwCookie = (DWORD_PTR)& streamData;
SCROLLINFO scroll;
scroll.cbSize = sizeof(SCROLLINFO);
scroll.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
GetScrollInfo(hwndRich, SB_VERT, &scroll);
POINT point = { 0 };
SendMessage(hwndRich, EM_GETSCROLLPOS, 0, (LPARAM)&point);
// do not scroll to bottom if there is a selection
CHARRANGE oldsel, sel, newsel;
SendMessage(hwndRich, EM_EXGETSEL, 0, (LPARAM)&oldsel);
if (oldsel.cpMax != oldsel.cpMin)
SendMessage(hwndRich, WM_SETREDRAW, FALSE, 0);
// set the insertion point at the bottom
sel.cpMin = sel.cpMax = GetRichTextLength(hwndRich, CP_ACP, FALSE);
SendMessage(hwndRich, EM_EXSETSEL, 0, (LPARAM)&sel);
SendMessage(hwndRich, EM_EXGETSEL, 0, (LPARAM)&sel);
// fix for the indent... must be a M$ bug
if (sel.cpMax == 0)
bRedraw = TRUE;
// should the event(s) be appended to the current log
WPARAM wp = bRedraw ? SF_RTF : SFF_SELECTION | SF_RTF;
// get the number of pixels per logical inch
if (bRedraw) {
SendMessage(hwndRich, WM_SETREDRAW, FALSE, 0);
bFlag = TRUE;
}
// stream in the event(s)
streamData.lin = lin;
streamData.bRedraw = bRedraw;
SendMessage(hwndRich, EM_STREAMIN, wp, (LPARAM)&stream);
// do smileys
if (g_dat.smileyAddInstalled && (bRedraw || (lin->ptszText && lin->iType != GC_EVENT_JOIN
&& lin->iType != GC_EVENT_NICK && lin->iType != GC_EVENT_ADDSTATUS && lin->iType != GC_EVENT_REMOVESTATUS)))
{
newsel.cpMax = -1;
newsel.cpMin = sel.cpMin;
if (newsel.cpMin < 0)
newsel.cpMin = 0;
SMADD_RICHEDIT3 sm = { sizeof(sm) };
sm.hwndRichEditControl = hwndRich;
sm.Protocolname = si->pszModule;
sm.rangeToReplace = bRedraw ? NULL : &newsel;
sm.flags = 0;
sm.disableRedraw = TRUE;
sm.hContact = si->windowData.hContact;
CallService(MS_SMILEYADD_REPLACESMILEYS, 0, (LPARAM)&sm);
}
// scroll log to bottom if the log was previously scrolled to bottom, else restore old position
if (bRedraw || (UINT)scroll.nPos >= (UINT)scroll.nMax - scroll.nPage - 5 || scroll.nMax - scroll.nMin - scroll.nPage < 50)
SendMessage(GetParent(hwndRich), GC_SCROLLTOBOTTOM, 0, 0);
else
SendMessage(hwndRich, EM_SETSCROLLPOS, 0, (LPARAM)&point);
// do we need to restore the selection
if (oldsel.cpMax != oldsel.cpMin) {
SendMessage(hwndRich, EM_EXSETSEL, 0, (LPARAM)& oldsel);
SendMessage(hwndRich, WM_SETREDRAW, TRUE, 0);
InvalidateRect(hwndRich, NULL, TRUE);
}
// need to invalidate the window
if (bFlag) {
sel.cpMin = sel.cpMax = GetRichTextLength(hwndRich, CP_ACP, FALSE);
SendMessage(hwndRich, EM_EXSETSEL, 0, (LPARAM)& sel);
SendMessage(hwndRich, WM_SETREDRAW, TRUE, 0);
InvalidateRect(hwndRich, NULL, TRUE);
}
}
char* Log_CreateRtfHeader(MODULEINFO *mi, SESSION_INFO *si)
{
int bufferAlloced, bufferEnd, i = 0;
int charset = 0;
BOOL forceCharset = FALSE;
// guesstimate amount of memory for the RTF header
bufferEnd = 0;
bufferAlloced = 4096;
char *buffer = (char*)mir_realloc(si->pszHeader, bufferAlloced);
buffer[0] = '\0';
// ### RTF HEADER
// font table
AppendToBuffer(&buffer, &bufferEnd, &bufferAlloced, "{\\rtf1\\ansi\\deff0{\\fonttbl");
for (i = 0; i < OPTIONS_FONTCOUNT; i++)
AppendToBuffer(&buffer, &bufferEnd, &bufferAlloced, "{\\f%u\\fnil\\fcharset%u%S;}", i, (!forceCharset) ? pci->aFonts[i].lf.lfCharSet : charset, pci->aFonts[i].lf.lfFaceName);
// colour table
AppendToBuffer(&buffer, &bufferEnd, &bufferAlloced, "}{\\colortbl ;");
for (i = 0; i < OPTIONS_FONTCOUNT; i++)
AppendToBuffer(&buffer, &bufferEnd, &bufferAlloced, "\\red%u\\green%u\\blue%u;", GetRValue(pci->aFonts[i].color), GetGValue(pci->aFonts[i].color), GetBValue(pci->aFonts[i].color));
for (i = 0; i < mi->nColorCount; i++)
AppendToBuffer(&buffer, &bufferEnd, &bufferAlloced, "\\red%u\\green%u\\blue%u;", GetRValue(mi->crColors[i]), GetGValue(mi->crColors[i]), GetBValue(mi->crColors[i]));
// new paragraph
AppendToBuffer(&buffer, &bufferEnd, &bufferAlloced, "}\\pard");
// set tabs and indents
int iIndent = 0;
if (g_Settings.dwIconFlags) {
iIndent += (14 * 1440) / g_dat.logPixelSX;
AppendToBuffer(&buffer, &bufferEnd, &bufferAlloced, "\\tx%u", iIndent);
}
if (g_Settings.ShowTime) {
int iSize = (g_Settings.LogTextIndent * 1440) / g_dat.logPixelSX;
AppendToBuffer(&buffer, &bufferEnd, &bufferAlloced, "\\tx%u", iIndent + iSize);
if (g_Settings.LogIndentEnabled)
iIndent += iSize;
}
AppendToBuffer(&buffer, &bufferEnd, &bufferAlloced, "\\fi-%u\\li%u", iIndent, iIndent);
return buffer;
}
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