programs/progman/group.c

   1 /*
   2  * Program Manager
   3  *
   4  * Copyright 1996 Ulrich Schmid
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define WIN32_LEAN_AND_MEAN
  22
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include "windows.h"
  26 #include "progman.h"
  27
  28 /***********************************************************************
  29  *
  30  *           GROUP_GroupWndProc
  31  */
  32
  33 static LRESULT CALLBACK GROUP_GroupWndProc(HWND hWnd, UINT msg,
  34                                    WPARAM wParam, LPARAM lParam)
  35 {
  36   switch (msg)
  37     {
  38     case WM_SYSCOMMAND:
  39       if (wParam == SC_CLOSE) wParam = SC_MINIMIZE;
  40       break;
  41
  42     case WM_CHILDACTIVATE:
  43     case WM_NCLBUTTONDOWN:
  44       Globals.hActiveGroup = (HLOCAL)GetWindowLongPtrW(hWnd, 0);
  45       EnableMenuItem(Globals.hFileMenu, PM_MOVE , MF_GRAYED);
  46       EnableMenuItem(Globals.hFileMenu, PM_COPY , MF_GRAYED);
  47       break;
  48     }
  49   return DefMDIChildProcW(hWnd, msg, wParam, lParam);
  50 }
  51
  52 /***********************************************************************
  53  *
  54  *           GROUP_RegisterGroupWinClass
  55  */
  56
  57 ATOM GROUP_RegisterGroupWinClass(void)
  58 {
  59   WNDCLASSW class;
  60
  61   class.style         = CS_HREDRAW | CS_VREDRAW;
  62   class.lpfnWndProc   = GROUP_GroupWndProc;
  63   class.cbClsExtra    = 0;
  64   class.cbWndExtra    = sizeof(LONG_PTR);
  65   class.hInstance     = Globals.hInstance;
  66   class.hIcon         = LoadIconW (0, (LPWSTR)IDI_WINLOGO);
  67   class.hCursor       = LoadCursorW (0, (LPWSTR)IDC_ARROW);
  68   class.hbrBackground = GetStockObject (WHITE_BRUSH);
  69   class.lpszMenuName  = 0;
  70   class.lpszClassName = STRING_GROUP_WIN_CLASS_NAME;
  71
  72   return RegisterClassW(&class);
  73 }
  74
  75 /***********************************************************************
  76  *
  77  *           GROUP_NewGroup
  78  */
  79
  80 VOID GROUP_NewGroup(void)
  81 {
  82   CHAR szName[MAX_PATHNAME_LEN] = "";
  83   CHAR szFile[MAX_PATHNAME_LEN] = "";
  84   OFSTRUCT dummy;
  85
  86   if (!DIALOG_GroupAttributes(szName, szFile, MAX_PATHNAME_LEN)) return;
  87
  88   if (OpenFile(szFile, &dummy, OF_EXIST) == HFILE_ERROR)
  89     {
  90       /* File doesn't exist */
  91       HLOCAL hGroup =
  92         GROUP_AddGroup(szName, szFile, SW_SHOWNORMAL,
  93                        DEF_GROUP_WIN_XPOS, DEF_GROUP_WIN_YPOS,
  94                        DEF_GROUP_WIN_WIDTH, DEF_GROUP_WIN_HEIGHT, 0, 0,
  95                        FALSE, FALSE, FALSE);
  96       if (!hGroup) return;
  97       GRPFILE_WriteGroupFile(hGroup);
  98     }
  99   else /* File exist */
 100     GRPFILE_ReadGroupFile(szFile);
 101
 102   /* FIXME Update progman.ini */
 103 }
 104
 105 /***********************************************************************
 106  *
 107  *           GROUP_AddGroup
 108  */
 109
 110 HLOCAL GROUP_AddGroup(LPCSTR lpszName, LPCSTR lpszGrpFile, INT nCmdShow,
 111                       INT x, INT y, INT width, INT height,
 112                       INT iconx, INT icony,
 113                       BOOL bFileNameModified, BOOL bOverwriteFileOk,
 114                       /* FIXME shouldn't be necessary */
 115                       BOOL bSuppressShowWindow)
 116 {
 117   PROGGROUP *group, *prior;
 118   MDICREATESTRUCTW cs;
 119   INT    seqnum;
 120   HLOCAL hPrior, *p;
 121   HLOCAL hGroup   = LocalAlloc(LMEM_FIXED, sizeof(PROGGROUP));
 122   HLOCAL hName    = LocalAlloc(LMEM_FIXED, 1 + strlen(lpszName));
 123   HLOCAL hGrpFile = LocalAlloc(LMEM_FIXED, 1 + strlen(lpszGrpFile));
 124   if (!hGroup || !hName || !hGrpFile)
 125     {
 126       MAIN_MessageBoxIDS(IDS_OUT_OF_MEMORY, IDS_ERROR, MB_OK);
 127       if (hGroup)   LocalFree(hGroup);
 128       if (hName)    LocalFree(hName);
 129       if (hGrpFile) LocalFree(hGrpFile);
 130       return(0);
 131     }
 132   memcpy(LocalLock(hName), lpszName, 1 + strlen(lpszName));
 133   memcpy(LocalLock(hGrpFile), lpszGrpFile, 1 + strlen(lpszGrpFile));
 134
 135   Globals.hActiveGroup   = hGroup;
 136
 137   seqnum = 1;
 138   hPrior = 0;
 139   p = &Globals.hGroups;
 140   while (*p)
 141     {
 142       hPrior = *p;
 143       prior  = LocalLock(hPrior);
 144       p      = &prior->hNext;
 145       if (prior->seqnum >= seqnum)
 146         seqnum = prior->seqnum + 1;
 147     }
 148   *p = hGroup;
 149
 150   group = LocalLock(hGroup);
 151   group->hPrior    = hPrior;
 152   group->hNext     = 0;
 153   group->hName     = hName;
 154   group->hGrpFile  = hGrpFile;
 155   group->bFileNameModified = bFileNameModified;
 156   group->bOverwriteFileOk  = bOverwriteFileOk;
 157   group->seqnum    = seqnum;
 158   group->nCmdShow  = nCmdShow;
 159   group->x         = x;
 160   group->y         = y;
 161   group->width     = width;
 162   group->height    = height;
 163   group->iconx     = iconx;
 164   group->icony     = icony;
 165   group->hPrograms = 0;
 166   group->hActiveProgram = 0;
 167
 168   cs.szClass = STRING_GROUP_WIN_CLASS_NAME;
 169   cs.szTitle = NULL;
 170   cs.hOwner  = 0;
 171   cs.x       = x;
 172   cs.y       = y;
 173   cs.cx      = width;
 174   cs.cy      = height;
 175   cs.style   = 0;
 176   cs.lParam  = 0;
 177
 178   group->hWnd = (HWND)SendMessageA(Globals.hMDIWnd, WM_MDICREATE, 0, (LPARAM)&cs);
 179   SetWindowTextA( group->hWnd, lpszName );
 180   SetWindowLongPtrW(group->hWnd, 0, (LONG_PTR) hGroup);
 181
 182 #if 1
 183   if (!bSuppressShowWindow) /* FIXME shouldn't be necessary */
 184 #endif
 185     {
 186       ShowWindow (group->hWnd, nCmdShow);
 187       UpdateWindow (group->hWnd);
 188     }
 189
 190   return(hGroup);
 191 }
 192
 193 /***********************************************************************
 194  *
 195  *           GROUP_ModifyGroup
 196  */
 197
 198 VOID GROUP_ModifyGroup(HLOCAL hGroup)
 199 {
 200   PROGGROUP *group = LocalLock(hGroup);
 201   CHAR szName[MAX_PATHNAME_LEN];
 202   CHAR szFile[MAX_PATHNAME_LEN];
 203   lstrcpynA(szName, LocalLock(group->hName), MAX_PATHNAME_LEN);
 204   lstrcpynA(szFile, LocalLock(group->hGrpFile), MAX_PATHNAME_LEN);
 205
 206   if (!DIALOG_GroupAttributes(szName, szFile, MAX_PATHNAME_LEN)) return;
 207
 208   if (strcmp(szFile, LocalLock(group->hGrpFile)))
 209     group->bOverwriteFileOk = FALSE;
 210
 211   MAIN_ReplaceString(&group->hName,    szName);
 212   MAIN_ReplaceString(&group->hGrpFile, szFile);
 213
 214   GRPFILE_WriteGroupFile(hGroup);
 215
 216   /* FIXME Delete old GrpFile if GrpFile changed */
 217
 218   /* FIXME Update progman.ini */
 219
 220   SetWindowTextA(group->hWnd, szName);
 221 }
 222
 223 /***********************************************************************
 224  *
 225  *           GROUP_ShowGroupWindow
 226  */
 227
 228 /* FIXME shouldn't be necessary */
 229 VOID GROUP_ShowGroupWindow(HLOCAL hGroup)
 230 {
 231   PROGGROUP *group = LocalLock(hGroup);
 232   ShowWindow (group->hWnd, group->nCmdShow);
 233   UpdateWindow (group->hWnd);
 234 }
 235
 236 /***********************************************************************
 237  *
 238  *           GROUP_DeleteGroup
 239  */
 240
 241 VOID GROUP_DeleteGroup(HLOCAL hGroup)
 242 {
 243   PROGGROUP *group = LocalLock(hGroup);
 244
 245   Globals.hActiveGroup = 0;
 246
 247   if (group->hPrior)
 248     ((PROGGROUP*)LocalLock(group->hPrior))->hNext = group->hNext;
 249   else Globals.hGroups = group->hNext;
 250
 251   if (group->hNext)
 252     ((PROGGROUP*)LocalLock(group->hNext))->hPrior = group->hPrior;
 253
 254   while (group->hPrograms)
 255     PROGRAM_DeleteProgram(group->hPrograms, FALSE);
 256
 257   /* FIXME Update progman.ini */
 258
 259   SendMessageW(Globals.hMDIWnd, WM_MDIDESTROY, (WPARAM)group->hWnd, 0);
 260
 261   LocalFree(group->hName);
 262   LocalFree(group->hGrpFile);
 263   LocalFree(hGroup);
 264 }
 265
 266 /***********************************************************************
 267  *
 268  *           GROUP_FirstGroup
 269  */
 270
 271 HLOCAL GROUP_FirstGroup(void)
 272 {
 273   return(Globals.hGroups);
 274 }
 275
 276 /***********************************************************************
 277  *
 278  *           GROUP_NextGroup
 279  */
 280
 281 HLOCAL GROUP_NextGroup(HLOCAL hGroup)
 282 {
 283   PROGGROUP *group;
 284   if (!hGroup) return(0);
 285   group = LocalLock(hGroup);
 286   return(group->hNext);
 287 }
 288
 289 /***********************************************************************
 290  *
 291  *           GROUP_ActiveGroup
 292  */
 293
 294 HLOCAL GROUP_ActiveGroup(void)
 295 {
 296   return(Globals.hActiveGroup);
 297 }
 298
 299 /***********************************************************************
 300  *
 301  *           GROUP_GroupWnd
 302  */
 303
 304 HWND GROUP_GroupWnd(HLOCAL hGroup)
 305 {
 306   PROGGROUP *group;
 307   if (!hGroup) return(0);
 308   group = LocalLock(hGroup);
 309   return(group->hWnd);
 310 }
 311
 312 /***********************************************************************
 313  *
 314  *           GROUP_GroupName
 315  */
 316
 317 LPCSTR GROUP_GroupName(HLOCAL hGroup)
 318 {
 319   PROGGROUP *group;
 320   if (!hGroup) return(0);
 321   group = LocalLock(hGroup);
 322   return(LocalLock(group->hName));
 323 }