mirror of
https://github.com/reactos/reactos.git
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272 lines
6.9 KiB
C
272 lines
6.9 KiB
C
/*
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* ReactOS Application MDI Child Window
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*
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* childwnd.c
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*
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* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifdef _MSC_VER
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#include "stdafx.h"
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#else
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#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
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#include <windows.h>
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#include <commctrl.h>
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#include <stdlib.h>
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#include <malloc.h>
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#include <memory.h>
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#include <tchar.h>
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#include <process.h>
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#include <stdio.h>
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#endif
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#include <assert.h>
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#define ASSERT assert
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#include "main.h"
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#include "childwnd.h"
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////////////////////////////////////////////////////////////////////////////////
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static void draw_splitbar(HWND hWnd, int x)
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{
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RECT rt;
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HDC hdc = GetDC(hWnd);
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GetClientRect(hWnd, &rt);
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rt.left = x - SPLIT_WIDTH/2;
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rt.right = x + SPLIT_WIDTH/2+1;
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InvertRect(hdc, &rt);
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ReleaseDC(hWnd, hdc);
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}
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static void OnPaint(HWND hWnd, ChildWnd* pChildWnd)
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{
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PAINTSTRUCT ps;
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RECT rt;
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GetClientRect(hWnd, &rt);
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BeginPaint(hWnd, &ps);
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// lastBrush = SelectObject(ps.hdc, (HBRUSH)GetStockObject(WHITE_BRUSH));
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// Rectangle(ps.hdc, rt.left, rt.top-1, rt.right, rt.bottom+1);
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// SelectObject(ps.hdc, lastBrush);
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// rt.top = rt.bottom - GetSystemMetrics(SM_CYHSCROLL);
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FillRect(ps.hdc, &rt, GetStockObject(BLACK_BRUSH));
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/*
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rt.left = pChildWnd->nSplitPos-SPLIT_WIDTH/2;
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rt.right = pChildWnd->nSplitPos+SPLIT_WIDTH/2+1;
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lastBrush = SelectBrush(ps.hdc, (HBRUSH)GetStockObject(COLOR_SPLITBAR));
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Rectangle(ps.hdc, rt.left, rt.top-1, rt.right, rt.bottom+1);
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SelectObject(ps.hdc, lastBrush);
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#ifdef _NO_EXTENSIONS
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rt.top = rt.bottom - GetSystemMetrics(SM_CYHSCROLL);
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FillRect(ps.hdc, &rt, GetStockObject(BLACK_BRUSH));
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#endif
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*/
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EndPaint(hWnd, &ps);
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}
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static void OnSize(ChildWnd* pChildWnd, WPARAM wParam, LPARAM lParam)
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{
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if (wParam != SIZE_MINIMIZED) {
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//resize_tree(pChildWnd, LOWORD(lParam), HIWORD(lParam));
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}
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}
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//
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// FUNCTION: ChildWndProc(HWND, unsigned, WORD, LONG)
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//
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// PURPOSE: Processes messages for the child windows.
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//
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// WM_COMMAND - process the application menu
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// WM_PAINT - Paint the main window
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// WM_DESTROY - post a quit message and return
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//
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//
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LRESULT CALLBACK ChildWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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static int last_split;
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// Pane* pane;
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ChildWnd* pChildWnd = (ChildWnd*)GetWindowLong(hWnd, GWL_USERDATA);
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// ChildWnd* new_child;
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ASSERT(pChildWnd);
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if (1) {
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switch(message) {
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case WM_CREATE:
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return 0;
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case WM_MDIACTIVATE: // set an alternate menu here
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if (lParam == (LPARAM)hWnd) {
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} else {
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}
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DrawMenuBar(hFrameWnd);
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// return 0;
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break;
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case WM_PAINT:
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OnPaint(hWnd, pChildWnd);
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return 0;
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case WM_NCDESTROY:
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//SetWindowLong(hWnd, GWL_USERDATA, 0);
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break;
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case WM_SETCURSOR:
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if (LOWORD(lParam) == HTCLIENT) {
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POINT pt;
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GetCursorPos(&pt);
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ScreenToClient(hWnd, &pt);
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if (pt.x>=pChildWnd->nSplitPos-SPLIT_WIDTH/2 && pt.x<pChildWnd->nSplitPos+SPLIT_WIDTH/2+1) {
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SetCursor(LoadCursor(0, IDC_SIZEWE));
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return TRUE;
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}
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}
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//goto def;
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break;
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case WM_LBUTTONDOWN: {
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RECT rt;
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int x = LOWORD(lParam);
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GetClientRect(hWnd, &rt);
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if (x>=pChildWnd->nSplitPos-SPLIT_WIDTH/2 && x<pChildWnd->nSplitPos+SPLIT_WIDTH/2+1) {
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last_split = pChildWnd->nSplitPos;
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#ifdef _NO_EXTENSIONS
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draw_splitbar(hWnd, last_split);
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#endif
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SetCapture(hWnd);
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}
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break;}
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case WM_LBUTTONUP:
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if (GetCapture() == hWnd) {
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#ifdef _NO_EXTENSIONS
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RECT rt;
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int x = LOWORD(lParam);
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draw_splitbar(hWnd, last_split);
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last_split = -1;
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GetClientRect(hWnd, &rt);
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pChildWnd->nSplitPos = x;
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//resize_tree(pChildWnd, rt.right, rt.bottom);
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#endif
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ReleaseCapture();
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}
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break;
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#ifdef _NO_EXTENSIONS
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case WM_CAPTURECHANGED:
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if (GetCapture()==hWnd && last_split>=0)
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draw_splitbar(hWnd, last_split);
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break;
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#endif
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case WM_KEYDOWN:
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if (wParam == VK_ESCAPE)
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if (GetCapture() == hWnd) {
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RECT rt;
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#ifdef _NO_EXTENSIONS
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draw_splitbar(hWnd, last_split);
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#else
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pChildWnd->nSplitPos = last_split;
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#endif
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GetClientRect(hWnd, &rt);
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//resize_tree(pChildWnd, rt.right, rt.bottom);
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last_split = -1;
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ReleaseCapture();
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SetCursor(LoadCursor(0, IDC_ARROW));
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}
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break;
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case WM_MOUSEMOVE:
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if (GetCapture() == hWnd) {
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RECT rt;
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int x = LOWORD(lParam);
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#ifdef _NO_EXTENSIONS
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HDC hdc = GetDC(hWnd);
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GetClientRect(hWnd, &rt);
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rt.left = last_split-SPLIT_WIDTH/2;
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rt.right = last_split+SPLIT_WIDTH/2+1;
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InvertRect(hdc, &rt);
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last_split = x;
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rt.left = x-SPLIT_WIDTH/2;
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rt.right = x+SPLIT_WIDTH/2+1;
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InvertRect(hdc, &rt);
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ReleaseDC(hWnd, hdc);
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#else
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GetClientRect(hWnd, &rt);
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if (x>=0 && x<rt.right) {
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pChildWnd->nSplitPos = x;
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resize_tree(pChildWnd, rt.right, rt.bottom);
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rt.left = x-SPLIT_WIDTH/2;
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rt.right = x+SPLIT_WIDTH/2+1;
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InvalidateRect(hWnd, &rt, FALSE);
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UpdateWindow(pChildWnd->left.hWnd);
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UpdateWindow(hWnd);
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UpdateWindow(pChildWnd->right.hWnd);
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}
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#endif
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}
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break;
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#ifndef _NO_EXTENSIONS
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case WM_GETMINMAXINFO:
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DefMDIChildProc(hWnd, message, wParam, lParam);
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{LPMINMAXINFO lpmmi = (LPMINMAXINFO)lParam;
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lpmmi->ptMaxTrackSize.x <<= 1;//2*GetSystemMetrics(SM_CXSCREEN) / SM_CXVIRTUALSCREEN
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lpmmi->ptMaxTrackSize.y <<= 1;//2*GetSystemMetrics(SM_CYSCREEN) / SM_CYVIRTUALSCREEN
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break;}
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#endif
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case WM_SETFOCUS:
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SetCurrentDirectory(pChildWnd->szPath);
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SetFocus(pChildWnd->nFocusPanel? pChildWnd->hRightWnd: pChildWnd->hLeftWnd);
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break;
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/*
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case WM_COMMAND:
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pane = GetFocus()==pChildWnd->left.hWnd? &pChildWnd->left: &pChildWnd->right;
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switch(LOWORD(wParam)) {
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case ID_WINDOW_NEW_WINDOW:
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return 0;
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default:
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return pane_command(pane, LOWORD(wParam));
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break;
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}
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break;
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*/
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case WM_SIZE:
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if (wParam != SIZE_MINIMIZED) {
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OnSize(pChildWnd, wParam, lParam);
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}
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// fall through
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default: def:
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return DefMDIChildProc(hWnd, message, wParam, lParam);
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}
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}
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return DefMDIChildProc(hWnd, message, wParam, lParam);
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}
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