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