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(*
History++ plugin for Miranda IM: the free IM client for Microsoft* Windows*
Copyright (C) 2006-2009 theMIROn, 2003-2006 Art Fedorov.
History+ parts (C) 2001 Christian Kastner
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
*)
{ -----------------------------------------------------------------------------
hpp_services (historypp project)
Version: 1.5
Created: 05.08.2004
Author: Oxygen
[ Description ]
Module with history's own services
[ History ]
1.5 (05.08.2004)
First version
[ Modifications ]
none
[ Known Issues ]
none
Contributors: theMIROn, Art Fedorov
----------------------------------------------------------------------------- }
unit hpp_services;
interface
uses
Classes, Windows, Controls,
m_api,
HistoryForm;
var
hHppRichEditItemProcess: THandle;
HstWindowList: TList;
procedure hppRegisterServices;
procedure hppUnregisterServices;
procedure CloseGlobalSearchWindow;
procedure CloseHistoryWindows;
function FindContactWindow(hContact: THandle): THistoryFrm;
function OpenContactHistory(hContact: THandle; Index: Integer = -1): THistoryFrm;
function AllHistoryRichEditProcess(wParam: WPARAM; lParam: LPARAM): Int; cdecl;
implementation
uses
SysUtils, GlobalSearch, EmptyHistoryForm,
hpp_global, {hpp_database,} hpp_itemprocess, hpp_forms,
hpp_options{, hpp_mescatcher, hpp_bookmarks};
// our own processing of RichEdit for all history windows
function AllHistoryRichEditProcess(wParam { hRichEdit } : WPARAM; lParam { PItemRenderDetails } : LPARAM): Int; cdecl;
begin
Result := 0;
if GridOptions.SmileysEnabled then Result := Result or DoSupportSmileys(wParam, lParam);
if GridOptions.AvatarsHistoryEnabled then Result := Result or DoSupportAvatarHistory(wParam, lParam);
end;
procedure CloseHistoryWindows;
var
i: Integer;
begin
try
for i := HstWindowList.Count - 1 downto 0 do
THistoryFrm(HstWindowList[i]).Free;
except
end;
end;
procedure CloseGlobalSearchWindow;
begin
try
if Assigned(fmGlobalSearch) then
fmGlobalSearch.Free;
except
end;
end;
function FindContactWindow(hContact: THandle): THistoryFrm;
var
i: Integer;
begin
Result := nil;
for i := 0 to HstWindowList.Count - 1 do
begin
if THistoryFrm(HstWindowList[i]).hContact = hContact then
begin
Result := THistoryFrm(HstWindowList[i]);
break;
end;
end;
end;
function OpenContactHistory(hContact: THandle; Index: Integer = -1): THistoryFrm;
var
wHistory: THistoryFrm;
NewWindow: Boolean;
begin
// check if window exists, otherwise create one
wHistory := FindContactWindow(hContact);
NewWindow := not Assigned(wHistory);
if NewWindow then
begin
wHistory := THistoryFrm.Create(nil);
HstWindowList.Add(wHistory);
wHistory.WindowList := HstWindowList;
wHistory.hg.Options := GridOptions;
wHistory.hContact := hContact;
wHistory.Load;
end;
if Index <> -1 then
begin
wHistory.ShowAllEvents;
wHistory.ShowItem(index);
end;
if NewWindow then
wHistory.Show
else
BringFormToFront(wHistory); // restore even if minimized
Result := wHistory;
end;
// MS_HISTORY_SHOWCONTACTHISTORY service
// show history called by miranda
function HppShowHistory(wParam { hContact } : WPARAM; lParam { 0 } : LPARAM): uint_ptr; cdecl;
begin
OpenContactHistory(wParam);
Result := 0;
end;
// MS_HPP_GETVERSION service
// See m_historypp.inc for details
function HppGetVersion(wParam { 0 } : WPARAM; lParam { 0 } : LPARAM): uint_ptr; cdecl;
begin
Result := hppVersion;
end;
// MS_HPP_SHOWGLOBALSEARCH service
// See m_historypp.inc for details
function HppShowGlobalSearch(wParam { 0 } : WPARAM; lParam { 0 } : LPARAM): uint_ptr; cdecl;
begin
if not Assigned(fmGlobalSearch) then
begin
fmGlobalSearch := TfmGlobalSearch.Create(nil);
fmGlobalSearch.hg.Options := GridOptions;
fmGlobalSearch.Show;
end
else
BringFormToFront(fmGlobalSearch);
Result := 0;
end;
// MS_HPP_OPENHISTORYEVENT service
// See m_historypp.inc for details
function HppOpenHistoryEvent(wParam { POpenEventParams } : WPARAM; lParam: LPARAM): uint_ptr; cdecl;
var
hDbEvent: THandle;
item, sel: Integer;
oep: TOpenEventParams;
begin
if Assigned(POpenEventParams(wParam)) then
begin
oep := POpenEventParams(wParam)^;
hDbEvent := db_event_last(oep.hContact);
item := 0;
sel := -1;
while (hDbEvent <> oep.hDbEvent) and (hDbEvent <> 0) do
begin
hDbEvent := db_event_prev(oep.hContact,hDbEvent);
Inc(item);
end;
if hDbEvent = oep.hDbEvent then
sel := item;
OpenContactHistory(oep.hContact, sel);
end;
Result := 0;
end;
// MS_HPP_EMPTYHISTORY service
// See m_historypp.inc for details
function HppEmptyHistory(wParam { hContact } : WPARAM; lParam { 0 } : LPARAM): uint_ptr; cdecl;
var
wHistory: THistoryFrm;
begin
wHistory := FindContactWindow(wParam);
with TEmptyHistoryFrm.Create(wHistory) do
begin
Contact := wParam;
Result := int_ptr(ShowModal = mrYes);
Free;
end;
end;
procedure hppRegisterServices;
begin
HstWindowList := TList.Create;
CreateServiceFunction(MS_HISTORY_SHOWCONTACTHISTORY,@HppShowHistory);
CreateServiceFunction(MS_HPP_EMPTYHISTORY, @HppEmptyHistory);
CreateServiceFunction(MS_HPP_GETVERSION, @HppGetVersion);
CreateServiceFunction(MS_HPP_SHOWGLOBALSEARCH,@HppShowGlobalSearch);
CreateServiceFunction(MS_HPP_OPENHISTORYEVENT,@HppOpenHistoryEvent);
hHppRichEditItemProcess := CreateHookableEvent(ME_HPP_RICHEDIT_ITEMPROCESS);
HookEvent(ME_HPP_RICHEDIT_ITEMPROCESS,AllHistoryRichEditProcess);
end;
procedure hppUnregisterServices;
begin
CloseHistoryWindows;
CloseGlobalSearchWindow;
DestroyHookableEvent(hHppRichEditItemProcess);
HstWindowList.Free;
end;
end.
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