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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #define WIN32_LEAN_AND_MEAN
  22
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include "windows.h"
  26 #include "windowsx.h"
  27 #include "progman.h"
  28
  29 /***********************************************************************
  30  *
  31  *           GROUP_GroupWndProc
  32  */
  33
  34 static LRESULT CALLBACK GROUP_GroupWndProc(HWND hWnd, UINT msg,
  35                                    WPARAM wParam, LPARAM lParam)
  36 {
  37 #if 0
  38   printf("G %4.4x %4.4x\n", msg, wParam);
  39 #endif
  40   switch (msg)
  41     {
  42     case WM_SYSCOMMAND:
  43       if (wParam == SC_CLOSE) wParam = SC_MINIMIZE;
  44       break;
  45
  46     case WM_CHILDACTIVATE:
  47     case WM_NCLBUTTONDOWN:
  48       Globals.hActiveGroup = (HLOCAL) GetWindowLong(hWnd, 0);
  49       EnableMenuItem(Globals.hFileMenu, PM_MOVE , MF_GRAYED);
  50       EnableMenuItem(Globals.hFileMenu, PM_COPY , MF_GRAYED);
  51       break;
  52     }
  53   return(DefMDIChildProc(hWnd, msg, wParam, lParam));
  54 }
  55
  56 /***********************************************************************
  57  *
  58  *           GROUP_RegisterGroupWinClass
  59  */
  60
  61 ATOM GROUP_RegisterGroupWinClass()
  62 {
  63   WNDCLASS class;
  64
  65   class.style         = CS_HREDRAW | CS_VREDRAW;
  66   class.lpfnWndProc   = GROUP_GroupWndProc;
  67   class.cbClsExtra    = 0;
  68   class.cbWndExtra    = sizeof(LONG);
  69   class.hInstance     = Globals.hInstance;
  70   class.hIcon         = LoadIcon (0, IDI_WINLOGO);
  71   class.hCursor       = LoadCursor (0, IDC_ARROW);
  72   class.hbrBackground = GetStockObject (WHITE_BRUSH);
  73   class.lpszMenuName  = 0;
  74   class.lpszClassName = STRING_GROUP_WIN_CLASS_NAME;
  75
  76   return RegisterClass(&class);
  77 }
  78
  79 /***********************************************************************
  80  *
  81  *           GROUP_NewGroup
  82  */
  83
  84 VOID GROUP_NewGroup()
  85 {
  86   CHAR szName[MAX_PATHNAME_LEN] = "";
  87   CHAR szFile[MAX_PATHNAME_LEN] = "";
  88   OFSTRUCT dummy;
  89
  90   if (!DIALOG_GroupAttributes(szName, szFile, MAX_PATHNAME_LEN)) return;
  91
  92   if (OpenFile(szFile, &dummy, OF_EXIST) == HFILE_ERROR)
  93     {
  94       /* File doesn't exist */
  95       HLOCAL hGroup =
  96         GROUP_AddGroup(szName, szFile, SW_SHOWNORMAL,
  97                        DEF_GROUP_WIN_XPOS, DEF_GROUP_WIN_YPOS,
  98                        DEF_GROUP_WIN_WIDTH, DEF_GROUP_WIN_HEIGHT, 0, 0,
  99                        FALSE, FALSE, FALSE);
 100       if (!hGroup) return;
 101       GRPFILE_WriteGroupFile(hGroup);
 102     }
 103   else /* File exist */
 104     GRPFILE_ReadGroupFile(szFile);
 105
 106   /* FIXME Update progman.ini */
 107 }
 108
 109 /***********************************************************************
 110  *
 111  *           GROUP_AddGroup
 112  */
 113
 114 HLOCAL GROUP_AddGroup(LPCSTR lpszName, LPCSTR lpszGrpFile, INT nCmdShow,
 115                       INT x, INT y, INT width, INT height,
 116                       INT iconx, INT icony,
 117                       BOOL bFileNameModified, BOOL bOverwriteFileOk,
 118                       /* FIXME shouldn't be necessary */
 119                       BOOL bSuppressShowWindow)
 120 {
 121   PROGGROUP *group, *prior;
 122   MDICREATESTRUCT cs;
 123   INT    seqnum;
 124   HLOCAL hPrior, *p;
 125   HLOCAL hGroup   = LocalAlloc(LMEM_FIXED, sizeof(PROGGROUP));
 126   HLOCAL hName    = LocalAlloc(LMEM_FIXED, 1 + lstrlen(lpszName));
 127   HLOCAL hGrpFile = LocalAlloc(LMEM_FIXED, 1 + lstrlen(lpszGrpFile));
 128   if (!hGroup || !hName || !hGrpFile)
 129     {
 130       MAIN_MessageBoxIDS(IDS_OUT_OF_MEMORY, IDS_ERROR, MB_OK);
 131       if (hGroup)   LocalFree(hGroup);
 132       if (hName)    LocalFree(hName);
 133       if (hGrpFile) LocalFree(hGrpFile);
 134       return(0);
 135     }
 136   memcpy(LocalLock(hName), lpszName, 1 + lstrlen(lpszName));
 137   memcpy(LocalLock(hGrpFile), lpszGrpFile, 1 + lstrlen(lpszGrpFile));
 138
 139   Globals.hActiveGroup   = hGroup;
 140
 141   seqnum = 1;
 142   hPrior = 0;
 143   p = &Globals.hGroups;
 144   while (*p)
 145     {
 146       hPrior = *p;
 147       prior  = LocalLock(hPrior);
 148       p      = &prior->hNext;
 149       if (prior->seqnum >= seqnum)
 150         seqnum = prior->seqnum + 1;
 151     }
 152   *p = hGroup;
 153
 154   group = LocalLock(hGroup);
 155   group->hPrior    = hPrior;
 156   group->hNext     = 0;
 157   group->hName     = hName;
 158   group->hGrpFile  = hGrpFile;
 159   group->bFileNameModified = bFileNameModified;
 160   group->bOverwriteFileOk  = bOverwriteFileOk;
 161   group->seqnum    = seqnum;
 162   group->nCmdShow  = nCmdShow;
 163   group->x         = x;
 164   group->y         = y;
 165   group->width     = width;
 166   group->height    = height;
 167   group->iconx     = iconx;
 168   group->icony     = icony;
 169   group->hPrograms = 0;
 170   group->hActiveProgram = 0;
 171
 172   cs.szClass = STRING_GROUP_WIN_CLASS_NAME;
 173   cs.szTitle = (LPSTR)lpszName;
 174   cs.hOwner  = 0;
 175   cs.x       = x;
 176   cs.y       = y;
 177   cs.cx      = width;
 178   cs.cy      = height;
 179   cs.style   = 0;
 180   cs.lParam  = 0;
 181
 182   group->hWnd = (HWND)SendMessage(Globals.hMDIWnd, WM_MDICREATE, 0, (LPARAM)&cs);
 183
 184   SetWindowLong(group->hWnd, 0, (LONG) hGroup);
 185
 186 #if 1
 187   if (!bSuppressShowWindow) /* FIXME shouldn't be necessary */
 188 #endif
 189     {
 190       ShowWindow (group->hWnd, nCmdShow);
 191       UpdateWindow (group->hWnd);
 192     }
 193
 194   return(hGroup);
 195 }
 196
 197 /***********************************************************************
 198  *
 199  *           GROUP_ModifyGroup
 200  */
 201
 202 VOID GROUP_ModifyGroup(HLOCAL hGroup)
 203 {
 204   PROGGROUP *group = LocalLock(hGroup);
 205   CHAR szName[MAX_PATHNAME_LEN];
 206   CHAR szFile[MAX_PATHNAME_LEN];
 207   lstrcpyn(szName, LocalLock(group->hName), MAX_PATHNAME_LEN);
 208   lstrcpyn(szFile, LocalLock(group->hGrpFile), MAX_PATHNAME_LEN);
 209
 210   if (!DIALOG_GroupAttributes(szName, szFile, MAX_PATHNAME_LEN)) return;
 211
 212   if (strcmp(szFile, LocalLock(group->hGrpFile)))
 213     group->bOverwriteFileOk = FALSE;
 214
 215   MAIN_ReplaceString(&group->hName,    szName);
 216   MAIN_ReplaceString(&group->hGrpFile, szFile);
 217
 218   GRPFILE_WriteGroupFile(hGroup);
 219
 220   /* FIXME Delete old GrpFile if GrpFile changed */
 221
 222   /* FIXME Update progman.ini */
 223
 224   SetWindowText(group->hWnd, szName);
 225 }
 226
 227 /***********************************************************************
 228  *
 229  *           GROUP_ShowGroupWindow
 230  */
 231
 232 /* FIXME shouldn't be necessary */
 233 VOID GROUP_ShowGroupWindow(HLOCAL hGroup)
 234 {
 235   PROGGROUP *group = LocalLock(hGroup);
 236   ShowWindow (group->hWnd, group->nCmdShow);
 237   UpdateWindow (group->hWnd);
 238 }
 239
 240 /***********************************************************************
 241  *
 242  *           GROUP_DeleteGroup
 243  */
 244
 245 VOID GROUP_DeleteGroup(HLOCAL hGroup)
 246 {
 247   PROGGROUP *group = LocalLock(hGroup);
 248
 249   Globals.hActiveGroup = 0;
 250
 251   if (group->hPrior)
 252     ((PROGGROUP*)LocalLock(group->hPrior))->hNext = group->hNext;
 253   else Globals.hGroups = group->hNext;
 254
 255   if (group->hNext)
 256     ((PROGGROUP*)LocalLock(group->hNext))->hPrior = group->hPrior;
 257
 258   while (group->hPrograms)
 259     PROGRAM_DeleteProgram(group->hPrograms, FALSE);
 260
 261   /* FIXME Update progman.ini */
 262
 263   SendMessage(Globals.hMDIWnd, WM_MDIDESTROY, (WPARAM)group->hWnd, 0);
 264
 265   LocalFree(group->hName);
 266   LocalFree(group->hGrpFile);
 267   LocalFree(hGroup);
 268 }
 269
 270 /***********************************************************************
 271  *
 272  *           GROUP_FirstGroup
 273  */
 274
 275 HLOCAL GROUP_FirstGroup()
 276 {
 277   return(Globals.hGroups);
 278 }
 279
 280 /***********************************************************************
 281  *
 282  *           GROUP_NextGroup
 283  */
 284
 285 HLOCAL GROUP_NextGroup(HLOCAL hGroup)
 286 {
 287   PROGGROUP *group;
 288   if (!hGroup) return(0);
 289   group = LocalLock(hGroup);
 290   return(group->hNext);
 291 }
 292
 293 /***********************************************************************
 294  *
 295  *           GROUP_ActiveGroup
 296  */
 297
 298 HLOCAL GROUP_ActiveGroup()
 299 {
 300   return(Globals.hActiveGroup);
 301 }
 302
 303 /***********************************************************************
 304  *
 305  *           GROUP_GroupWnd
 306  */
 307
 308 HWND GROUP_GroupWnd(HLOCAL hGroup)
 309 {
 310   PROGGROUP *group;
 311   if (!hGroup) return(0);
 312   group = LocalLock(hGroup);
 313   return(group->hWnd);
 314 }
 315
 316 /***********************************************************************
 317  *
 318  *           GROUP_GroupName
 319  */
 320
 321 LPCSTR GROUP_GroupName(HLOCAL hGroup)
 322 {
 323   PROGGROUP *group;
 324   if (!hGroup) return(0);
 325   group = LocalLock(hGroup);
 326   return(LocalLock(group->hName));
 327 }
 328
 329 /* Local Variables:    */
 330 /* c-file-style: "GNU" */
 331 /* End:                */