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/*
Basic History plugin
Copyright (C) 2011-2012 Krzysztof Kral
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 version 2
of the License.
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, see <http://www.gnu.org/licenses/>.
*/
#include "StdAfx.h"
#include "HotkeyHelper.h"
LRESULT CALLBACK HotkeySubclassProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
void RegisterHotkeyControl(HWND control)
{
WNDPROC oldProc = (WNDPROC)SetWindowLongPtr(control, GWLP_WNDPROC, (LONG_PTR) HotkeySubclassProc);
SetWindowLongPtr(control, GWLP_USERDATA, (LONG_PTR) oldProc);
}
void UnregisterHotkeyControl(HWND control)
{
WNDPROC oldProc = (WNDPROC)GetWindowLongPtr(control, GWLP_USERDATA);
if(oldProc != NULL)
{
SetWindowLongPtr(control, GWLP_WNDPROC, (LONG_PTR) oldProc);
SetWindowLongPtr(control, GWLP_USERDATA, NULL);
}
}
static bool isPresed = false;
LRESULT CALLBACK HotkeySubclassProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
WNDPROC oldProc = (WNDPROC)GetWindowLongPtr(hwnd, GWLP_USERDATA);
switch (msg) {
case WM_CHAR:
case WM_SYSCHAR:
case WM_UNICHAR:
case WM_DEADCHAR:
case WM_SYSDEADCHAR:
if(isPresed)
return 0;
break;
case WM_KEYUP:
case WM_SYSKEYUP:
if(isPresed)
{
isPresed = false;
return 0;
}
break;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
{
isPresed = false;
HWND hwndParent = GetParent(hwnd);
MSGFILTER filter;
filter.msg = msg;
filter.lParam = lParam;
filter.wParam = wParam;
filter.nmhdr.hwndFrom = hwnd;
filter.nmhdr.code = EN_MSGFILTER;
filter.nmhdr.idFrom = GetDlgCtrlID(hwnd);
if(SendMessage(hwndParent, WM_NOTIFY, NULL, (LPARAM)&filter))
{
isPresed = true;
return 0;
}
LRESULT res = CallWindowProc(oldProc, hwnd, msg, wParam, lParam);
filter.nmhdr.code = CLN_MYSELCHANGED;
SendMessage(hwndParent, WM_NOTIFY, NULL, (LPARAM)&filter);
return res;
}
break;
case WM_LBUTTONDOWN:
{
HWND hwndParent = GetParent(hwnd);
MSGFILTER filter;
filter.msg = msg;
filter.lParam = lParam;
filter.wParam = wParam;
filter.nmhdr.hwndFrom = hwnd;
filter.nmhdr.code = CLN_MYSELCHANGED;
filter.nmhdr.idFrom = GetDlgCtrlID(hwnd);
LRESULT res = CallWindowProc(oldProc, hwnd, msg, wParam, lParam);
SendMessage(hwndParent, WM_NOTIFY, NULL, (LPARAM)&filter);
return res;
}
break;
}
return CallWindowProc(oldProc, hwnd, msg, wParam, lParam);
}
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