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