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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 "stdafx.h"
#ifndef EM_GETSCROLLPOS
#define EM_GETSCROLLPOS (WM_USER+221)
#endif
void CMsgDialog::StreamInEvents(LOGINFO* lin, bool bRedraw)
{
if (m_hwnd == nullptr || lin == nullptr || m_si == nullptr)
return;
if (!bRedraw && (m_si->iType == GCW_CHATROOM || m_si->iType == GCW_PRIVMESS) && m_bFilterEnabled && !(m_iLogFilterFlags & lin->iType))
return;
LOGSTREAMDATA streamData;
memset(&streamData, 0, sizeof(streamData));
streamData.hwnd = m_log.GetHwnd();
streamData.si = m_si;
streamData.lin = lin;
streamData.bStripFormat = FALSE;
streamData.isFirst = bRedraw ? 1 : m_log.GetRichTextLength() == 0;
EDITSTREAM stream = { 0 };
stream.pfnCallback = Srmm_LogStreamCallback;
stream.dwCookie = (DWORD_PTR)&streamData;
SCROLLINFO scroll;
scroll.cbSize = sizeof(SCROLLINFO);
scroll.fMask = SIF_RANGE | SIF_POS | SIF_PAGE;
GetScrollInfo(m_log.GetHwnd(), SB_VERT, &scroll);
POINT point = { 0 };
m_log.SendMsg(EM_GETSCROLLPOS, 0, (LPARAM)&point);
// do not scroll to bottom if there is a selection
CHARRANGE oldsel, sel, newsel;
m_log.SendMsg(EM_EXGETSEL, 0, (LPARAM)&oldsel);
if (oldsel.cpMax != oldsel.cpMin)
m_log.SendMsg(WM_SETREDRAW, FALSE, 0);
// set the insertion point at the bottom
sel.cpMin = sel.cpMax = m_log.GetRichTextLength();
m_log.SendMsg(EM_EXSETSEL, 0, (LPARAM)&sel);
m_log.SendMsg(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
bool bFlag = false;
if (bRedraw) {
m_log.SendMsg(WM_SETREDRAW, FALSE, 0);
bFlag = true;
}
// stream in the event(s)
streamData.lin = lin;
streamData.bRedraw = bRedraw;
m_log.SendMsg(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 = m_log.GetHwnd();
sm.Protocolname = m_si->pszModule;
sm.rangeToReplace = bRedraw ? nullptr : &newsel;
sm.flags = 0;
sm.disableRedraw = TRUE;
sm.hContact = m_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)
ScrollToBottom();
else
m_log.SendMsg(EM_SETSCROLLPOS, 0, (LPARAM)&point);
// do we need to restore the selection
if (oldsel.cpMax != oldsel.cpMin) {
m_log.SendMsg(EM_EXSETSEL, 0, (LPARAM)&oldsel);
m_log.SendMsg(WM_SETREDRAW, TRUE, 0);
InvalidateRect(m_log.GetHwnd(), nullptr, TRUE);
}
// need to invalidate the window
if (bFlag) {
sel.cpMin = sel.cpMax = m_log.GetRichTextLength();
m_log.SendMsg(EM_EXSETSEL, 0, (LPARAM)&sel);
m_log.SendMsg(WM_SETREDRAW, TRUE, 0);
InvalidateRect(m_log.GetHwnd(), nullptr, TRUE);
}
}
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