programs/regedit/childwnd.c

   1 /*
   2  * Regedit child window
   3  *
   4  * Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #define WIN32_LEAN_AND_MEAN     /* Exclude rarely-used stuff from Windows headers */
  22 #include <windows.h>
  23 #include <commctrl.h>
  24 #include <tchar.h>
  25 #include <stdio.h>
  26
  27 #include "main.h"
  28
  29 #include "wine/debug.h"
  30 #include "wine/unicode.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(regedit);
  33
  34 ChildWnd* g_pChildWnd;
  35
  36 /*******************************************************************************
  37  * Local module support methods
  38  */
  39
  40 static LPCTSTR get_root_key_name(HKEY hRootKey)
  41 {
  42     if (hRootKey == HKEY_CLASSES_ROOT) return _T("HKEY_CLASSES_ROOT");
  43     if (hRootKey == HKEY_CURRENT_USER) return _T("HKEY_CURRENT_USER");
  44     if (hRootKey == HKEY_LOCAL_MACHINE) return _T("HKEY_LOCAL_MACHINE");
  45     if (hRootKey == HKEY_USERS) return _T("HKEY_USERS");
  46     if (hRootKey == HKEY_CURRENT_CONFIG) return _T("HKEY_CURRENT_CONFIG");
  47     if (hRootKey == HKEY_DYN_DATA) return _T("HKEY_DYN_DATA");
  48     return _T("UKNOWN HKEY, PLEASE REPORT");
  49 }
  50
  51 static void draw_splitbar(HWND hWnd, int x)
  52 {
  53     RECT rt;
  54     HDC hdc = GetDC(hWnd);
  55
  56     GetClientRect(hWnd, &rt);
  57     rt.left = x - SPLIT_WIDTH/2;
  58     rt.right = x + SPLIT_WIDTH/2+1;
  59     InvertRect(hdc, &rt);
  60     ReleaseDC(hWnd, hdc);
  61 }
  62
  63 static void ResizeWnd(ChildWnd* pChildWnd, int cx, int cy)
  64 {
  65     HDWP hdwp = BeginDeferWindowPos(2);
  66     RECT rt = {0, 0, cx, cy};
  67
  68     cx = pChildWnd->nSplitPos + SPLIT_WIDTH/2;
  69     DeferWindowPos(hdwp, pChildWnd->hTreeWnd, 0, rt.left, rt.top, pChildWnd->nSplitPos-SPLIT_WIDTH/2-rt.left, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);
  70     DeferWindowPos(hdwp, pChildWnd->hListWnd, 0, rt.left+cx  , rt.top, rt.right-cx, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);
  71     EndDeferWindowPos(hdwp);
  72 }
  73
  74 static void OnPaint(HWND hWnd)
  75 {
  76     PAINTSTRUCT ps;
  77     RECT rt;
  78     HDC hdc;
  79
  80     GetClientRect(hWnd, &rt);
  81     hdc = BeginPaint(hWnd, &ps);
  82     FillRect(ps.hdc, &rt, GetSysColorBrush(COLOR_BTNFACE));
  83     EndPaint(hWnd, &ps);
  84 }
  85
  86 /*******************************************************************************
  87  *
  88  *  FUNCTION: _CmdWndProc(HWND, unsigned, WORD, LONG)
  89  *
  90  *  PURPOSE:  Processes WM_COMMAND messages for the main frame window.
  91  *
  92  */
  93
  94 static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
  95 {
  96     ChildWnd* pChildWnd = g_pChildWnd;
  97     switch (LOWORD(wParam)) {
  98         /* Parse the menu selections: */
  99     case ID_REGISTRY_EXIT:
 100         DestroyWindow(hWnd);
 101         break;
 102     case ID_VIEW_REFRESH:
 103         /* TODO */
 104         break;
 105     case ID_SWITCH_PANELS:
 106         pChildWnd->nFocusPanel = !pChildWnd->nFocusPanel;
 107         SetFocus(pChildWnd->nFocusPanel? pChildWnd->hListWnd: pChildWnd->hTreeWnd);
 108         break;
 109     default:
 110         return FALSE;
 111     }
 112     return TRUE;
 113 }
 114
 115 /*******************************************************************************
 116  *
 117  *  FUNCTION: ChildWndProc(HWND, unsigned, WORD, LONG)
 118  *
 119  *  PURPOSE:  Processes messages for the child windows.
 120  *
 121  *  WM_COMMAND  - process the application menu
 122  *  WM_PAINT    - Paint the main window
 123  *  WM_DESTROY  - post a quit message and return
 124  *
 125  */
 126 LRESULT CALLBACK ChildWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 127 {
 128     static int last_split;
 129     ChildWnd* pChildWnd = g_pChildWnd;
 130
 131     switch (message) {
 132     case WM_CREATE:
 133         g_pChildWnd = pChildWnd = HeapAlloc(GetProcessHeap(), 0, sizeof(ChildWnd));
 134         if (!pChildWnd) return 0;
 135         _tcsncpy(pChildWnd->szPath, _T("My Computer"), MAX_PATH);
 136         pChildWnd->nSplitPos = 250;
 137         pChildWnd->hWnd = hWnd;
 138         pChildWnd->hTreeWnd = CreateTreeView(hWnd, pChildWnd->szPath, TREE_WINDOW);
 139         pChildWnd->hListWnd = CreateListView(hWnd, LIST_WINDOW/*, pChildWnd->szPath*/);
 140         SetFocus(pChildWnd->hTreeWnd);
 141         break;
 142     case WM_COMMAND:
 143         if (!_CmdWndProc(hWnd, message, wParam, lParam)) {
 144             goto def;
 145         }
 146         break;
 147     case WM_PAINT:
 148         OnPaint(hWnd);
 149         return 0;
 150     case WM_SETCURSOR:
 151         if (LOWORD(lParam) == HTCLIENT) {
 152             POINT pt;
 153             GetCursorPos(&pt);
 154             ScreenToClient(hWnd, &pt);
 155             if (pt.x>=pChildWnd->nSplitPos-SPLIT_WIDTH/2 && pt.x<pChildWnd->nSplitPos+SPLIT_WIDTH/2+1) {
 156                 SetCursor(LoadCursor(0, IDC_SIZEWE));
 157                 return TRUE;
 158             }
 159         }
 160         goto def;
 161     case WM_DESTROY:
 162         HeapFree(GetProcessHeap(), 0, pChildWnd);
 163         pChildWnd = NULL;
 164         PostQuitMessage(0);
 165         break;
 166     case WM_LBUTTONDOWN: {
 167             RECT rt;
 168             int x = LOWORD(lParam);
 169             GetClientRect(hWnd, &rt);
 170             if (x>=pChildWnd->nSplitPos-SPLIT_WIDTH/2 && x<pChildWnd->nSplitPos+SPLIT_WIDTH/2+1) {
 171                 last_split = pChildWnd->nSplitPos;
 172                 draw_splitbar(hWnd, last_split);
 173                 SetCapture(hWnd);
 174             }
 175             break;
 176         }
 177
 178     case WM_LBUTTONUP:
 179         if (GetCapture() == hWnd) {
 180             RECT rt;
 181             int x = LOWORD(lParam);
 182             draw_splitbar(hWnd, last_split);
 183             last_split = -1;
 184             GetClientRect(hWnd, &rt);
 185             pChildWnd->nSplitPos = x;
 186             ResizeWnd(pChildWnd, rt.right, rt.bottom);
 187             ReleaseCapture();
 188         }
 189         break;
 190
 191     case WM_CAPTURECHANGED:
 192         if (GetCapture()==hWnd && last_split>=0)
 193             draw_splitbar(hWnd, last_split);
 194         break;
 195
 196     case WM_KEYDOWN:
 197         if (wParam == VK_ESCAPE)
 198             if (GetCapture() == hWnd) {
 199                 RECT rt;
 200                 draw_splitbar(hWnd, last_split);
 201                 GetClientRect(hWnd, &rt);
 202                 ResizeWnd(pChildWnd, rt.right, rt.bottom);
 203                 last_split = -1;
 204                 ReleaseCapture();
 205                 SetCursor(LoadCursor(0, IDC_ARROW));
 206             }
 207         break;
 208
 209     case WM_MOUSEMOVE:
 210         if (GetCapture() == hWnd) {
 211             RECT rt;
 212             int x = LOWORD(lParam);
 213             HDC hdc = GetDC(hWnd);
 214             GetClientRect(hWnd, &rt);
 215             rt.left = last_split-SPLIT_WIDTH/2;
 216             rt.right = last_split+SPLIT_WIDTH/2+1;
 217             InvertRect(hdc, &rt);
 218             last_split = x;
 219             rt.left = x-SPLIT_WIDTH/2;
 220             rt.right = x+SPLIT_WIDTH/2+1;
 221             InvertRect(hdc, &rt);
 222             ReleaseDC(hWnd, hdc);
 223         }
 224         break;
 225
 226     case WM_SETFOCUS:
 227         if (pChildWnd != NULL) {
 228             SetFocus(pChildWnd->nFocusPanel? pChildWnd->hListWnd: pChildWnd->hTreeWnd);
 229         }
 230         break;
 231
 232     case WM_TIMER:
 233         break;
 234
 235     case WM_NOTIFY:
 236         if ((int)wParam == TREE_WINDOW) {
 237             switch (((LPNMHDR)lParam)->code) {
 238             case TVN_ITEMEXPANDING:
 239                 return !OnTreeExpanding(pChildWnd->hTreeWnd, (NMTREEVIEW*)lParam);
 240             case TVN_SELCHANGED: {
 241                     LPCTSTR keyPath, rootName;
 242                     LPTSTR fullPath;
 243                     HKEY hRootKey;
 244
 245                     keyPath = GetItemPath(pChildWnd->hTreeWnd, ((NMTREEVIEW*)lParam)->itemNew.hItem, &hRootKey);
 246                     if (keyPath) {
 247                         RefreshListView(pChildWnd->hListWnd, hRootKey, keyPath, NULL);
 248                         rootName = get_root_key_name(hRootKey);
 249                         fullPath = HeapAlloc(GetProcessHeap(), 0, (lstrlen(rootName) + 1 + lstrlen(keyPath) + 1) * sizeof(TCHAR));
 250                         if (fullPath) {
 251                             _stprintf(fullPath, "%s\\%s", rootName, keyPath);
 252                             SendMessage(hStatusBar, SB_SETTEXT, 0, (LPARAM)fullPath);
 253                             HeapFree(GetProcessHeap(), 0, fullPath);
 254                         }
 255                     }
 256                 }
 257                 break;
 258             case NM_SETFOCUS:
 259                 pChildWnd->nFocusPanel = 0;
 260                 break;
 261             case NM_RCLICK: {
 262                 POINT pt;
 263                 GetCursorPos(&pt);
 264                 TrackPopupMenu(GetSubMenu(hPopupMenus, PM_NEW),
 265                                TPM_RIGHTBUTTON, pt.x, pt.y, 0, hFrameWnd, NULL);
 266                 break;
 267             }
 268             case TVN_ENDLABELEDIT: {
 269                 HKEY hRootKey;
 270                 LPNMTVDISPINFO dispInfo = (LPNMTVDISPINFO)lParam;
 271                 LPCTSTR path = GetItemPath(pChildWnd->hTreeWnd, 0, &hRootKey);
 272                 BOOL res = RenameKey(hWnd, hRootKey, path, dispInfo->item.pszText);
 273                 if (res) {
 274                     TVITEMEX item;
 275                     item.mask = TVIF_HANDLE | TVIF_TEXT;
 276                     item.hItem = TreeView_GetSelection(pChildWnd->hTreeWnd);
 277                     item.pszText = dispInfo->item.pszText;
 278                     TreeView_SetItem(pChildWnd->hTreeWnd, &item);
 279                 }
 280                 return res;
 281             }
 282             default:
 283                 return 0; /* goto def; */
 284             }
 285         } else
 286             if ((int)wParam == LIST_WINDOW) {
 287                 if (((LPNMHDR)lParam)->code == NM_SETFOCUS) {
 288                     pChildWnd->nFocusPanel = 1;
 289                 } else if (!SendMessage(pChildWnd->hListWnd, WM_NOTIFY_REFLECT, wParam, lParam)) {
 290                     goto def;
 291                 }
 292             }
 293         break;
 294
 295     case WM_SIZE:
 296         if (wParam != SIZE_MINIMIZED && pChildWnd != NULL) {
 297             ResizeWnd(pChildWnd, LOWORD(lParam), HIWORD(lParam));
 298         }
 299         /* fall through */
 300 default: def:
 301         return DefWindowProc(hWnd, message, wParam, lParam);
 302     }
 303     return 0;
 304 }