modules/FvwmTaskBar/List.c

   1 /* -*-c-*- */
   2 /* FvwmTaskBar Module for Fvwm.
   3  *
   4  *  Copyright 1994,  Mike Finger (mfinger@mermaid.micro.umn.edu or
   5  *                               Mike_Finger@atk.com)
   6  *
   7  * The functions in this source file are the original work of Mike Finger.
   8  *
   9  * No guarantees or warantees or anything are provided or implied in any way
  10  * whatsoever. Use this program at your own risk. Permission to use this
  11  * program for any purpose is given, as long as the copyright is kept intact.
  12  *
  13  */
  14
  15 /* This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  28  */
  29
  30 #include "config.h"
  31 #include "libs/Module.h"
  32
  33 #include <stdio.h>
  34
  35 #include "FvwmTaskBar.h"
  36 #include "List.h"
  37 #include "Mallocs.h"
  38
  39 extern ModuleArgs *module;
  40
  41 /*
  42   InitList - Initialize the list
  43 */
  44 void InitList(List *list)
  45 {
  46   list->head=list->tail=NULL;
  47   list->count=0;
  48 }
  49
  50 /*
  51   AddItem - Allocates spaces for and appends an item to the list
  52 */
  53 void AddItem(List *list, long id, ConfigWinPacket *cfgpacket,
  54              long Desk, int count)
  55 {
  56   Item *new;
  57   new=(Item *)safemalloc(sizeof(Item));
  58   new->id=id;
  59   new->name=NULL;
  60   memcpy(&new->flags, &cfgpacket->flags, sizeof(new->flags));
  61   new->Desk=Desk;
  62   new->count=count;
  63   memset((void *)&(new->p), 0, sizeof(FvwmPicture));
  64   new->next=NULL;
  65   if (list->tail==NULL) list->head=list->tail=new;
  66   else {
  67    list->tail->next=new;
  68    list->tail=new;
  69   }
  70   list->count++;
  71 }
  72
  73 /*
  74   AddItemName - Allocates spaces for and appends an item to the list
  75 */
  76 void AddItemName(List *list, char *string, int iconified)
  77 {
  78   Item *new;
  79
  80   new = (Item *)safemalloc(sizeof(Item));
  81   new->id = 0L;
  82   new->name = NULL;
  83   UpdateString(&new->name, string);
  84   SET_ICONIFIED(new,iconified);
  85   new->next = NULL;
  86
  87   if (list->tail == NULL)
  88     list->head = list->tail = new;
  89   else
  90   {
  91     list->tail->next = new;
  92     list->tail = new;
  93   }
  94   list->count++;
  95 }
  96
  97
  98 /*
  99   FindItem - Find the item in the list matching the id
 100 */
 101 int FindItem(List *list, long id)
 102 {
 103   Item *temp;
 104
 105   for(temp=list->head;temp!=NULL && temp->id!=id;temp=temp->next);
 106   if (temp==NULL)
 107     return -1;
 108   return temp->count;
 109 }
 110
 111 /*
 112   FindNameItem - Find the item in the list matching the string
 113 */
 114 int FindNameItem(List *list, char *string)
 115 {
 116   Item *temp;
 117
 118   for(temp=list->head;
 119       temp!=NULL && strcmp(temp->name,string) != 0;
 120       temp=temp->next);
 121   if (temp==NULL) return -1;
 122   return temp->count;
 123 }
 124
 125 /*
 126   UpdateItem* - Update the item in the list
 127 */
 128
 129 int UpdateItemName(List *list, long id, char *string)
 130 {
 131   Item *temp;
 132   for(temp=list->head;temp!=NULL && id!=temp->id;temp=temp->next);
 133   if (temp==NULL) return -1;
 134   UpdateString(&temp->name,string);
 135   return temp->count;
 136 }
 137
 138 int UpdateItemIconifiedFlag(List *list, long id, int iconified)
 139 {
 140   Item *temp;
 141   for(temp=list->head;temp!=NULL && id!=temp->id;temp=temp->next);
 142   if (temp==NULL) return -1;
 143   SET_ICONIFIED(temp,iconified);
 144   return temp->count;
 145 }
 146
 147 int UpdateItemGSFRFlags(List *list, ConfigWinPacket *cfgpacket)
 148 {
 149   Item *temp;
 150   for(temp=list->head;temp!=NULL && cfgpacket->w!=temp->id;temp=temp->next);
 151   if (temp==NULL) return -1;
 152   temp->flags = cfgpacket->flags;
 153   return temp->count;
 154 }
 155
 156 int UpdateItemIndexDesk(List *list, int i, long desk)
 157 {
 158   Item *temp;
 159   for(temp=list->head;temp!=NULL && temp->count!=i;temp=temp->next);
 160   if (temp==NULL) return -1;
 161   temp->Desk=desk;
 162   return temp->count;
 163 }
 164
 165 int UpdateNameItem(List *list, char *string, long id, int iconified)
 166 {
 167   Item *temp;
 168
 169   for(temp=list->head;
 170       temp!=NULL && strcmp(temp->name,string) != 0;
 171       temp=temp->next);
 172   if (temp==NULL) return -1;
 173   else {
 174     if (id != -1) temp->id = id;
 175     if (iconified != -1) SET_ICONIFIED(temp,iconified);
 176     return temp->count;
 177   }
 178 }
 179
 180 int UpdateItemIndexGeometry(List *list, int i, rectangle *new_g)
 181 {
 182   Item *temp;
 183   for(temp=list->head;temp!=NULL && temp->count!=i;temp=temp->next);
 184   if (temp==NULL) return -1;
 185   temp->win_g = *new_g;
 186   return temp->count;
 187 }
 188
 189 /*
 190   FreeItem - Frees allocated space for an Item
 191 */
 192 void FreeItem(Item *ptr)
 193 {
 194   if (ptr != NULL) {
 195     if (ptr->name!=NULL) free(ptr->name);
 196     free(ptr);
 197   }
 198 }
 199
 200 /*
 201   DeleteItem - Deletes an item from the list
 202 */
 203 int DeleteItem(List *list,long id)
 204 {
 205 Item *temp,*temp2;
 206 int i;
 207   if (list->head==NULL) return -1;
 208   if (list->head->id==id) {
 209     temp2=list->head;
 210     temp=list->head=list->head->next;
 211     i=temp2->count;
 212   } else {
 213      for(temp=list->head,temp2=temp->next; temp2; temp2=temp2->next) {
 214       if (temp2->id == id)
 215         break;
 216       temp = temp2;
 217     }
 218     if (temp2 == NULL) return -1;
 219     temp->next=temp2->next;
 220   }
 221
 222   if (temp2==list->tail) list->tail=temp;
 223
 224   i=temp2->count;
 225   FreeItem(temp2);
 226   list->count--;
 227   return i;
 228 /*    return i+1; */
 229 }
 230
 231 /*
 232   FreeList - Free the entire list of Items
 233 */
 234 void FreeList(List *list)
 235 {
 236   Item *temp,*temp2;
 237   for(temp=list->head;temp!=NULL;)
 238   {
 239     temp2=temp;
 240     temp=temp->next;
 241     FreeItem(temp2);
 242   }
 243   list->count=0;
 244 }
 245
 246 /*
 247   PrintList - Print the list of item to stderr. (Debugging)
 248 */
 249 void PrintList(List *list)
 250 {
 251   Item *temp;
 252   fprintf(stderr,"%s List of Items:\n", module->name);
 253   fprintf(stderr,"   %10s %-15s %-15s %-15s %-15s Flgs\n","ID","Name","I-Name",
 254                  "R-Name","R-Class");
 255   fprintf(stderr,"   ---------- --------------- --------------- --------------- --------------- ----\n");
 256   for(temp=list->head;temp!=NULL;temp=temp->next) {
 257     fprintf(stderr,"   %10ld %-15.15s\n",temp->id,
 258                    (temp->name==NULL) ? "<null>" : temp->name);
 259   }
 260 }
 261
 262 /*
 263   ItemName - Return the name of an Item
 264 */
 265 char *ItemName(List *list, int n)
 266 {
 267   Item *temp;
 268   for(temp=list->head;temp!=NULL && temp->count!=n;temp=temp->next);
 269   if (temp==NULL) return NULL;
 270   return temp->name;
 271 }
 272
 273 /*
 274   IsItemIndexIconified - Say if an item is iconified
 275 */
 276 int IsItemIconified(List *list, long id)
 277 {
 278   Item *temp;
 279   for(temp=list->head;temp!=NULL && temp->id!=id;temp=temp->next);
 280   if (temp==NULL) return -1;
 281   return IS_ICONIFIED(temp);
 282 }
 283
 284 /*
 285   IsItemIndexIconified - Say if an item of index i is iconified
 286 */
 287 int IsItemIndexIconified(List *list, int i)
 288 {
 289   Item *temp;
 290   for(temp=list->head;temp!=NULL && temp->count!=i;temp=temp->next);
 291   if (temp==NULL) return -1;
 292   return IS_ICONIFIED(temp);
 293 }
 294
 295 /*
 296   IsItemIndexSticky - Say if an item of index i is sticky
 297 */
 298 int IsItemIndexSticky(List *list, int i)
 299 {
 300   Item *temp;
 301   for(temp=list->head;temp!=NULL && temp->count!=i;temp=temp->next);
 302   if (temp==NULL) return -1;
 303   return (IS_STICKY_ACROSS_DESKS(temp) ||
 304           (IS_ICONIFIED(temp) && IS_ICON_STICKY_ACROSS_DESKS(temp)));
 305 }
 306
 307 /*
 308   IsItemIndexSkipWindowList - Say if an item of index i is in the skip list
 309 */
 310 int IsItemIndexSkipWindowList(List *list, int i)
 311 {
 312   Item *temp;
 313   for(temp=list->head;temp!=NULL && temp->count!=i;temp=temp->next);
 314   if (temp==NULL) return -1;
 315   return DO_SKIP_WINDOW_LIST(temp);
 316 }
 317
 318 /*
 319   IsItemIndexIconSuppressed - Say if an item has a no icon style
 320 */
 321 int IsItemIndexIconSuppressed(List *list, int i)
 322 {
 323   Item *temp;
 324   for(temp=list->head;temp!=NULL && temp->count!=i;temp=temp->next);
 325   if (temp==NULL) return -1;
 326   return IS_ICON_SUPPRESSED(temp);
 327 }
 328
 329 /*
 330   ItemCount - Return the number of items inthe list
 331 */
 332 int ItemCount(List *list)
 333 {
 334   return list->count;
 335 }
 336
 337 /*
 338   ItemID - Return the ID of the item in the list.
 339 */
 340 long ItemID(List *list, int n)
 341 {
 342   Item *temp;
 343   for(temp=list->head;temp!=NULL && temp->count!=n;temp=temp->next);
 344   if (temp==NULL) return -1;
 345   return temp->id;
 346 }
 347
 348 /*
 349   CopyItem - Copy an item from one list to another
 350 */
 351 void CopyItem(List *dest, List *source, int n)
 352 {
 353   Item *temp;
 354   ConfigWinPacket cfgpkt;
 355
 356   for(temp=source->head;temp!=NULL && temp->count!=n;temp=temp->next);
 357   if (temp==NULL) return;
 358   memcpy(&cfgpkt.flags, &temp->flags, sizeof(cfgpkt.flags));
 359   AddItem(dest, temp->id, &cfgpkt,temp->Desk,temp->count);
 360   UpdateItemName(dest,temp->id,temp->name);
 361   DeleteItem(source,temp->id);
 362 }
 363
 364 /*
 365   UpdateItemPicture - Adds the picture information in the list
 366 */
 367 void UpdateItemPicture(List *list, int n, FvwmPicture *p)
 368 {
 369   Item *temp;
 370
 371   for (temp=list->head;temp && temp->count!=n;temp=temp->next);
 372   if (temp==NULL) return;
 373   if (p != NULL)
 374   {
 375     temp->p.picture = p->picture;
 376     temp->p.mask    = p->mask;
 377     temp->p.alpha   = p->alpha;
 378     temp->p.width   = p->width;
 379     temp->p.height  = p->height;
 380     temp->p.depth   = p->depth;
 381   }
 382   else
 383   {
 384     temp->p.picture = None;
 385     temp->p.mask    = None;
 386     temp->p.alpha   = None;
 387     temp->p.width   = 0;
 388     temp->p.height  = 0;
 389     temp->p.depth   = 0;
 390   }
 391 }
 392
 393 /*
 394   GetDeskNumber - Returns the desknumber of the item
 395 */
 396 int GetDeskNumber(List *list, int n, long *Desk)
 397 {
 398   Item *temp;
 399
 400   for (temp=list->head;temp && temp->count!=n;temp=temp->next);
 401   if (temp==NULL) return 0;
 402   *Desk=temp->Desk;
 403   return 1;
 404 }
 405
 406 /*
 407   GetItemPicture - Returns the picture
 408 */
 409 FvwmPicture *GetItemPicture(List *list, int n)
 410 {
 411   Item *temp;
 412
 413   for (temp=list->head;temp && temp->count!=n;temp=temp->next);
 414   if (temp==NULL) return 0;
 415   return &(temp->p);
 416 }
 417
 418 /*
 419   GetItemGeometry - returns a pointer to the internal geometry rectangle
 420 */
 421 int GetItemGeometry(List *list, int n, rectangle **r)
 422 {
 423   Item *temp;
 424
 425   for (temp=list->head;temp && temp->count!=n;temp=temp->next);
 426   if (temp==NULL) return 0;
 427   *r=&temp->win_g;
 428   return 1;
 429 }
 430