git.oblomov.eu Git - wine/blob - 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     return _T("UKNOWN HKEY, PLEASE REPORT");
  48 }
  49
  50 static void draw_splitbar(HWND hWnd, int x)
  51 {
  52     RECT rt;
  53     HDC hdc = GetDC(hWnd);
  54
  55     GetClientRect(hWnd, &rt);
  56     rt.left = x - SPLIT_WIDTH/2;
  57     rt.right = x + SPLIT_WIDTH/2+1;
  58     InvertRect(hdc, &rt);
  59     ReleaseDC(hWnd, hdc);
  60 }
  61
  62 static void ResizeWnd(ChildWnd* pChildWnd, int cx, int cy)
  63 {
  64     HDWP hdwp = BeginDeferWindowPos(2);
  65     RECT rt = {0, 0, cx, cy};
  66
  67     cx = pChildWnd->nSplitPos + SPLIT_WIDTH/2;
  68     DeferWindowPos(hdwp, pChildWnd->hTreeWnd, 0, rt.left, rt.top, pChildWnd->nSplitPos-SPLIT_WIDTH/2-rt.left, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);
  69     DeferWindowPos(hdwp, pChildWnd->hListWnd, 0, rt.left+cx  , rt.top, rt.right-cx, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);
  70     EndDeferWindowPos(hdwp);
  71 }
  72
  73 static void OnPaint(HWND hWnd)
  74 {
  75     PAINTSTRUCT ps;
  76     RECT rt;
  77     HDC hdc;
  78
  79     GetClientRect(hWnd, &rt);
  80     hdc = BeginPaint(hWnd, &ps);
  81     FillRect(ps.hdc, &rt, GetSysColorBrush(COLOR_BTNFACE));
  82     EndPaint(hWnd, &ps);
  83 }
  84
  85 /*******************************************************************************
  86  *
  87  *  FUNCTION: _CmdWndProc(HWND, unsigned, WORD, LONG)
  88  *
  89  *  PURPOSE:  Processes WM_COMMAND messages for the main frame window.
  90  *
  91  */
  92
  93 static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
  94 {
  95     ChildWnd* pChildWnd = g_pChildWnd;
  96     switch (LOWORD(wParam)) {
  97         /* Parse the menu selections: */
  98     case ID_REGISTRY_EXIT:
  99         DestroyWindow(hWnd);
 100         break;
 101     case ID_VIEW_REFRESH:
 102         /* TODO */
 103         break;
 104     case ID_SWITCH_PANELS:
 105         pChildWnd->nFocusPanel = !pChildWnd->nFocusPanel;
 106         SetFocus(pChildWnd->nFocusPanel? pChildWnd->hListWnd: pChildWnd->hTreeWnd);
 107         break;
 108     default:
 109         return FALSE;
 110     }
 111     return TRUE;
 112 }
 113
 114 /*******************************************************************************
 115  *
 116  *  FUNCTION: ChildWndProc(HWND, unsigned, WORD, LONG)
 117  *
 118  *  PURPOSE:  Processes messages for the child windows.
 119  *
 120  *  WM_COMMAND  - process the application menu
 121  *  WM_PAINT    - Paint the main window
 122  *  WM_DESTROY  - post a quit message and return
 123  *
 124  */
 125 LRESULT CALLBACK ChildWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 126 {
 127     static int last_split;
 128     ChildWnd* pChildWnd = g_pChildWnd;
 129
 130     switch (message) {
 131     case WM_CREATE:
 132         g_pChildWnd = pChildWnd = HeapAlloc(GetProcessHeap(), 0, sizeof(ChildWnd));
 133         if (!pChildWnd) return 0;
 134         _tcsncpy(pChildWnd->szPath, _T("My Computer"), MAX_PATH);
 135         pChildWnd->nSplitPos = 250;
 136         pChildWnd->hWnd = hWnd;
 137         pChildWnd->hTreeWnd = CreateTreeView(hWnd, pChildWnd->szPath, TREE_WINDOW);
 138         pChildWnd->hListWnd = CreateListView(hWnd, LIST_WINDOW/*, pChildWnd->szPath*/);
 139         SetFocus(pChildWnd->hTreeWnd);
 140         break;
 141     case WM_COMMAND:
 142         if (!_CmdWndProc(hWnd, message, wParam, lParam)) {
 143             goto def;
 144         }
 145         break;
 146     case WM_PAINT:
 147         OnPaint(hWnd);
 148         return 0;
 149     case WM_SETCURSOR:
 150         if (LOWORD(lParam) == HTCLIENT) {
 151             POINT pt;
 152             GetCursorPos(&pt);
 153             ScreenToClient(hWnd, &pt);
 154             if (pt.x>=pChildWnd->nSplitPos-SPLIT_WIDTH/2 && pt.x<pChildWnd->nSplitPos+SPLIT_WIDTH/2+1) {
 155                 SetCursor(LoadCursor(0, IDC_SIZEWE));
 156                 return TRUE;
 157             }
 158         }
 159         goto def;
 160     case WM_DESTROY:
 161         HeapFree(GetProcessHeap(), 0, pChildWnd);
 162         pChildWnd = NULL;
 163         PostQuitMessage(0);
 164         break;
 165     case WM_LBUTTONDOWN: {
 166             RECT rt;
 167             int x = LOWORD(lParam);
 168             GetClientRect(hWnd, &rt);
 169             if (x>=pChildWnd->nSplitPos-SPLIT_WIDTH/2 && x<pChildWnd->nSplitPos+SPLIT_WIDTH/2+1) {
 170                 last_split = pChildWnd->nSplitPos;
 171                 draw_splitbar(hWnd, last_split);
 172                 SetCapture(hWnd);
 173             }
 174             break;
 175         }
 176
 177     case WM_LBUTTONUP:
 178         if (GetCapture() == hWnd) {
 179             RECT rt;
 180             int x = LOWORD(lParam);
 181             draw_splitbar(hWnd, last_split);
 182             last_split = -1;
 183             GetClientRect(hWnd, &rt);
 184             pChildWnd->nSplitPos = x;
 185             ResizeWnd(pChildWnd, rt.right, rt.bottom);
 186             ReleaseCapture();
 187         }
 188         break;
 189
 190     case WM_CAPTURECHANGED:
 191         if (GetCapture()==hWnd && last_split>=0)
 192             draw_splitbar(hWnd, last_split);
 193         break;
 194
 195     case WM_KEYDOWN:
 196         if (wParam == VK_ESCAPE)
 197             if (GetCapture() == hWnd) {
 198                 RECT rt;
 199                 draw_splitbar(hWnd, last_split);
 200                 GetClientRect(hWnd, &rt);
 201                 ResizeWnd(pChildWnd, rt.right, rt.bottom);
 202                 last_split = -1;
 203                 ReleaseCapture();
 204                 SetCursor(LoadCursor(0, IDC_ARROW));
 205             }
 206         break;
 207
 208     case WM_MOUSEMOVE:
 209         if (GetCapture() == hWnd) {
 210             RECT rt;
 211             int x = LOWORD(lParam);
 212             HDC hdc = GetDC(hWnd);
 213             GetClientRect(hWnd, &rt);
 214             rt.left = last_split-SPLIT_WIDTH/2;
 215             rt.right = last_split+SPLIT_WIDTH/2+1;
 216             InvertRect(hdc, &rt);
 217             last_split = x;
 218             rt.left = x-SPLIT_WIDTH/2;
 219             rt.right = x+SPLIT_WIDTH/2+1;
 220             InvertRect(hdc, &rt);
 221             ReleaseDC(hWnd, hdc);
 222         }
 223         break;
 224
 225     case WM_SETFOCUS:
 226         if (pChildWnd != NULL) {
 227             SetFocus(pChildWnd->nFocusPanel? pChildWnd->hListWnd: pChildWnd->hTreeWnd);
 228         }
 229         break;
 230
 231     case WM_TIMER:
 232         break;
 233
 234     case WM_NOTIFY:
 235         if ((int)wParam == TREE_WINDOW) {
 236             switch (((LPNMHDR)lParam)->code) {
 237             case TVN_ITEMEXPANDING:
 238                 return !OnTreeExpanding(pChildWnd->hTreeWnd, (NMTREEVIEW*)lParam);
 239             case TVN_SELCHANGED: {
 240                     LPCTSTR keyPath, rootName;
 241                     LPTSTR fullPath;
 242                     HKEY hRootKey;
 243
 244                     keyPath = GetItemPath(pChildWnd->hTreeWnd, ((NMTREEVIEW*)lParam)->itemNew.hItem, &hRootKey);
 245                     if (keyPath) {
 246                         RefreshListView(pChildWnd->hListWnd, hRootKey, keyPath, NULL);
 247                         rootName = get_root_key_name(hRootKey);
 248                         fullPath = HeapAlloc(GetProcessHeap(), 0, (lstrlen(rootName) + 1 + lstrlen(keyPath) + 1) * sizeof(TCHAR));
 249                         if (fullPath) {
 250                             _stprintf(fullPath, "%s\\%s", rootName, keyPath);
 251                             SendMessage(hStatusBar, SB_SETTEXT, 0, (LPARAM)fullPath);
 252                             HeapFree(GetProcessHeap(), 0, fullPath);
 253                         }
 254                     }
 255                 }
 256                 break;
 257             case NM_SETFOCUS:
 258                 pChildWnd->nFocusPanel = 0;
 259                 break;
 260             case NM_RCLICK: {
 261                 POINT pt;
 262                 GetCursorPos(&pt);
 263                 TrackPopupMenu(GetSubMenu(hPopupMenus, PM_NEW),
 264                                TPM_RIGHTBUTTON, pt.x, pt.y, 0, hFrameWnd, NULL);
 265                 break;
 266             }
 267             case TVN_ENDLABELEDIT: {
 268                 HKEY hRootKey;
 269                 LPNMTVDISPINFO dispInfo = (LPNMTVDISPINFO)lParam;
 270                 LPCTSTR path = GetItemPath(pChildWnd->hTreeWnd, 0, &hRootKey);
 271                 BOOL res = RenameKey(hWnd, hRootKey, path, dispInfo->item.pszText);
 272                 if (res) {
 273                     TVITEMEX item;
 274                     item.mask = TVIF_HANDLE | TVIF_TEXT;
 275                     item.hItem = TreeView_GetSelection(pChildWnd->hTreeWnd);
 276                     item.pszText = dispInfo->item.pszText;
 277                     TreeView_SetItem(pChildWnd->hTreeWnd, &item);
 278                 }
 279                 return res;
 280             }
 281             default:
 282                 return 0; /* goto def; */
 283             }
 284         } else
 285             if ((int)wParam == LIST_WINDOW) {
 286                 if (((LPNMHDR)lParam)->code == NM_SETFOCUS) {
 287                     pChildWnd->nFocusPanel = 1;
 288                 } else if (!SendMessage(pChildWnd->hListWnd, WM_NOTIFY_REFLECT, wParam, lParam)) {
 289                     goto def;
 290                 }
 291             }
 292         break;
 293
 294     case WM_SIZE:
 295         if (wParam != SIZE_MINIMIZED && pChildWnd != NULL) {
 296             ResizeWnd(pChildWnd, LOWORD(lParam), HIWORD(lParam));
 297         }
 298         /* fall through */
 299 default: def:
 300         return DefWindowProc(hWnd, message, wParam, lParam);
 301     }
 302     return 0;
 303 }