mirror of
https://github.com/reactos/reactos.git
synced 2024-12-26 17:14:41 +00:00
287 lines
8 KiB
C
287 lines
8 KiB
C
/*
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* ReactOS regedit
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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 "framewnd.h"
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#include "childwnd.h"
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#include "treeview.h"
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#include "listview.h"
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////////////////////////////////////////////////////////////////////////////////
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// Local module support methods
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//
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static void MakeFullRegPath(HWND hwndTV, HTREEITEM hItem, LPTSTR keyPath, int* pPathLen, int max)
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{
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TVITEM item;
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item.mask = TVIF_PARAM;
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item.hItem = hItem;
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if (TreeView_GetItem(hwndTV, &item)) {
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if (item.hItem != TreeView_GetRoot(hwndTV)) {
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// recurse
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MakeFullRegPath(hwndTV, TreeView_GetParent(hwndTV, hItem), keyPath, pPathLen, max);
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keyPath[*pPathLen] = _T('\\');
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++(*pPathLen);
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}
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item.mask = TVIF_TEXT;
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item.hItem = hItem;
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item.pszText = &keyPath[*pPathLen];
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item.cchTextMax = max - *pPathLen;
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if (TreeView_GetItem(hwndTV, &item)) {
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*pPathLen += _tcslen(item.pszText);
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}
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}
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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 ResizeWnd(ChildWnd* pChildWnd, int cx, int cy)
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{
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HDWP hdwp = BeginDeferWindowPos(2);
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RECT rt = {0, 0, cx, cy};
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cx = pChildWnd->nSplitPos + SPLIT_WIDTH/2;
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DeferWindowPos(hdwp, pChildWnd->hTreeWnd, 0, rt.left, rt.top, pChildWnd->nSplitPos-SPLIT_WIDTH/2-rt.left, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);
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DeferWindowPos(hdwp, pChildWnd->hListWnd, 0, rt.left+cx , rt.top, rt.right-cx, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);
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EndDeferWindowPos(hdwp);
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}
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static void OnPaint(HWND hWnd)
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{
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PAINTSTRUCT ps;
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RECT rt;
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HDC hdc;
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GetClientRect(hWnd, &rt);
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hdc = BeginPaint(hWnd, &ps);
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FillRect(ps.hdc, &rt, GetStockObject(LTGRAY_BRUSH));
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EndPaint(hWnd, &ps);
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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// FUNCTION: _CmdWndProc(HWND, unsigned, WORD, LONG)
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//
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// PURPOSE: Processes WM_COMMAND messages for the main frame window.
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//
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//
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static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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switch (LOWORD(wParam)) {
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// Parse the menu selections:
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case ID_REGISTRY_EXIT:
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DestroyWindow(hWnd);
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break;
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case ID_VIEW_REFRESH:
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// TODO:
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break;
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default:
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return FALSE;
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}
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return TRUE;
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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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// ChildWnd* pChildWnd = (ChildWnd*)GetWindowLong(hWnd, GWL_USERDATA);
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static ChildWnd* pChildWnd;
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switch (message) {
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case WM_CREATE:
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pChildWnd = (ChildWnd*)((LPCREATESTRUCT)lParam)->lpCreateParams;
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ASSERT(pChildWnd);
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pChildWnd->nSplitPos = 250;
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pChildWnd->hTreeWnd = CreateTreeView(hWnd, pChildWnd->szPath, TREE_WINDOW);
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pChildWnd->hListWnd = CreateListView(hWnd, LIST_WINDOW/*, pChildWnd->szPath*/);
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break;
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case WM_COMMAND:
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if (!_CmdWndProc(hWnd, message, wParam, lParam)) {
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goto def;
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}
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break;
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case WM_PAINT:
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OnPaint(hWnd);
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return 0;
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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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case WM_DESTROY:
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PostQuitMessage(0);
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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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draw_splitbar(hWnd, last_split);
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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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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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ResizeWnd(pChildWnd, rt.right, rt.bottom);
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ReleaseCapture();
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}
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break;
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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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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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draw_splitbar(hWnd, last_split);
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GetClientRect(hWnd, &rt);
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ResizeWnd(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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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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}
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break;
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case WM_SETFOCUS:
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if (pChildWnd != NULL) {
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SetFocus(pChildWnd->nFocusPanel? pChildWnd->hListWnd: pChildWnd->hTreeWnd);
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}
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break;
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case WM_TIMER:
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break;
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case WM_NOTIFY:
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if ((int)wParam == TREE_WINDOW) {
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switch (((LPNMHDR)lParam)->code) {
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case TVN_ITEMEXPANDING:
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return !OnTreeExpanding(pChildWnd->hTreeWnd, (NMTREEVIEW*)lParam);
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case TVN_SELCHANGED:
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{
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HKEY hKey;
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TCHAR keyPath[1000];
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int keyPathLen = 0;
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keyPath[0] = _T('\0');
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hKey = FindRegRoot(pChildWnd->hTreeWnd, ((NMTREEVIEW*)lParam)->itemNew.hItem, keyPath, &keyPathLen, sizeof(keyPath)/sizeof(TCHAR));
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RefreshListView(pChildWnd->hListWnd, hKey, keyPath);
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keyPathLen = 0;
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keyPath[0] = _T('\0');
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MakeFullRegPath(pChildWnd->hTreeWnd, ((NMTREEVIEW*)lParam)->itemNew.hItem, keyPath, &keyPathLen, sizeof(keyPath)/sizeof(TCHAR));
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SendMessage(hStatusBar, SB_SETTEXT, 0, (LPARAM)keyPath);
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}
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break;
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default:
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goto def;
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}
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} else
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if ((int)wParam == LIST_WINDOW) {
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if (!SendMessage(pChildWnd->hListWnd, message, wParam, lParam)) {
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goto def;
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}
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}
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break;
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case WM_SIZE:
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if (wParam != SIZE_MINIMIZED && pChildWnd != NULL) {
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ResizeWnd(pChildWnd, LOWORD(lParam), HIWORD(lParam));
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}
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// fall through
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default: def:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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return 0;
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}
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