WINGs/wfilepanel.c

   1
   2 #include "WINGsP.h"
   3
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <unistd.h>
   7 #include <dirent.h>
   8 #include <limits.h>
   9 #include <errno.h>
  10
  11 #ifndef PATH_MAX
  12 #define PATH_MAX 1024
  13 #endif
  14
  15
  16 typedef struct W_FilePanel {
  17     WMWindow *win;
  18
  19     WMLabel *iconLabel;
  20     WMLabel *titleLabel;
  21
  22     WMFrame *line;
  23
  24     WMLabel *nameLabel;
  25     WMBrowser *browser;
  26
  27     WMButton *okButton;
  28     WMButton *cancelButton;
  29
  30     WMButton *homeButton;
  31     WMButton *trashcanButton;
  32     WMButton *createDirButton;
  33     WMButton *disketteButton;
  34     WMButton *unmountButton;
  35
  36     WMView *accessoryView;
  37
  38     WMTextField *fileField;
  39
  40     char **fileTypes;
  41
  42     struct {
  43         unsigned int canExit:1;
  44         unsigned int canceled:1;       /* clicked on cancel */
  45         unsigned int filtered:1;
  46         unsigned int canChooseFiles:1;
  47         unsigned int canChooseDirectories:1;
  48         unsigned int autoCompletion:1;
  49         unsigned int showAllFiles:1;
  50         unsigned int canFreeFileTypes:1;
  51         unsigned int fileMustExist:1;
  52         unsigned int panelType:1;
  53     } flags;
  54 } W_FilePanel;
  55
  56
  57 /* Type of panel */
  58 #define WP_OPEN         0
  59 #define WP_SAVE         1
  60
  61 #define PWIDTH          330
  62 #define PHEIGHT         360
  63
  64 static void listDirectoryOnColumn(WMFilePanel *panel, int column, char *path);
  65 static void browserClick();
  66 static void browserDClick();
  67
  68 static void fillColumn(WMBrowserDelegate *self, WMBrowser *bPtr, int column,
  69                        WMList *list);
  70
  71 static void deleteFile();
  72
  73 static void createDir();
  74
  75 static void goHome();
  76
  77 static void goFloppy();
  78
  79 static void goUnmount();
  80
  81 static void buttonClick();
  82
  83 static char *getCurrentFileName(WMFilePanel *panel);
  84
  85 static void handleEvents(XEvent *event, void *data);
  86
  87
  88
  89 static WMBrowserDelegate browserDelegate = {
  90     NULL, /* data */
  91         fillColumn, /* createRowsForColumn */
  92         NULL, /* titleOfColumn */
  93         NULL, /* didScroll */
  94         NULL  /* willScroll */
  95 };
  96
  97
  98 static int
  99 closestListItem(WMList *list, char *text, Bool exact)
 100 {
 101     WMListItem *item;
 102     WMArray *items = WMGetListItems(list);
 103     int i, len = strlen(text);
 104
 105     if (len==0)
 106         return -1;
 107
 108     for(i=0; i<WMGetArrayItemCount(items); i++) {
 109         item = WMGetFromArray(items, i);
 110         if (strlen(item->text) >= len &&
 111             ((exact && strcmp(item->text, text)==0) ||
 112              (!exact && strncmp(item->text, text, len)==0))) {
 113             return i;
 114         }
 115     }
 116
 117     return -1;
 118 }
 119
 120
 121 static void
 122 textChangedObserver(void *observerData, WMNotification *notification)
 123 {
 124     W_FilePanel *panel = (W_FilePanel*)observerData;
 125     char *text;
 126     WMList *list;
 127     int col = WMGetBrowserNumberOfColumns(panel->browser) - 1;
 128     int i, textEvent;
 129
 130     if (!(list = WMGetBrowserListInColumn(panel->browser, col)))
 131         return;
 132
 133     text = WMGetTextFieldText(panel->fileField);
 134     textEvent = (int)WMGetNotificationClientData(notification);
 135
 136     if (panel->flags.autoCompletion && textEvent!=WMDeleteTextEvent)
 137         i = closestListItem(list, text, False);
 138     else
 139         i = closestListItem(list, text, True);
 140
 141     WMSelectListItem(list, i);
 142     if (i>=0 && panel->flags.autoCompletion) {
 143         WMListItem *item = WMGetListItem(list, i);
 144         int textLen = strlen(text), itemTextLen = strlen(item->text);
 145         int visibleItems = WMWidgetHeight(list)/WMGetListItemHeight(list);
 146
 147         WMSetListPosition(list, i - visibleItems/2);
 148
 149         if (textEvent!=WMDeleteTextEvent) {
 150             WMRange range;
 151
 152             WMInsertTextFieldText(panel->fileField, &item->text[textLen],
 153                                   textLen);
 154             range.position = textLen;
 155             range.count = itemTextLen - textLen;
 156             WMSelectTextFieldRange(panel->fileField, range);
 157             /*WMSetTextFieldCursorPosition(panel->fileField, itemTextLen);*/
 158         }
 159     }
 160
 161     wfree(text);
 162 }
 163
 164
 165 static void
 166 textEditedObserver(void *observerData, WMNotification *notification)
 167 {
 168     W_FilePanel *panel = (W_FilePanel*)observerData;
 169
 170     if ((int)WMGetNotificationClientData(notification)==WMReturnTextMovement) {
 171         WMPerformButtonClick(panel->okButton);
 172     }
 173 }
 174
 175
 176
 177 static WMFilePanel*
 178 makeFilePanel(WMScreen *scrPtr, char *name, char *title)
 179 {
 180     WMFilePanel *fPtr;
 181     WMFont *largeFont;
 182
 183     fPtr = wmalloc(sizeof(WMFilePanel));
 184     memset(fPtr, 0, sizeof(WMFilePanel));
 185
 186     fPtr->win = WMCreateWindowWithStyle(scrPtr, name, WMTitledWindowMask
 187                                         |WMResizableWindowMask);
 188     WMResizeWidget(fPtr->win, PWIDTH, PHEIGHT);
 189     WMSetWindowTitle(fPtr->win, "");
 190
 191     WMCreateEventHandler(WMWidgetView(fPtr->win), StructureNotifyMask,
 192                          handleEvents, fPtr);
 193     WMSetWindowMinSize(fPtr->win, PWIDTH, PHEIGHT);
 194
 195
 196     fPtr->iconLabel = WMCreateLabel(fPtr->win);
 197     WMResizeWidget(fPtr->iconLabel, 64, 64);
 198     WMMoveWidget(fPtr->iconLabel, 0, 0);
 199     WMSetLabelImagePosition(fPtr->iconLabel, WIPImageOnly);
 200     WMSetLabelImage(fPtr->iconLabel, scrPtr->applicationIcon);
 201
 202     fPtr->titleLabel = WMCreateLabel(fPtr->win);
 203     WMResizeWidget(fPtr->titleLabel, PWIDTH-64, 64);
 204     WMMoveWidget(fPtr->titleLabel, 64, 0);
 205     largeFont = WMBoldSystemFontOfSize(scrPtr, 24);
 206     WMSetLabelFont(fPtr->titleLabel, largeFont);
 207     WMReleaseFont(largeFont);
 208     WMSetLabelText(fPtr->titleLabel, title);
 209
 210     fPtr->line = WMCreateFrame(fPtr->win);
 211     WMMoveWidget(fPtr->line, 0, 64);
 212     WMResizeWidget(fPtr->line, PWIDTH, 2);
 213     WMSetFrameRelief(fPtr->line, WRGroove);
 214
 215     fPtr->browser = WMCreateBrowser(fPtr->win);
 216     WMSetBrowserAllowEmptySelection(fPtr->browser, True);
 217     WMSetBrowserDelegate(fPtr->browser, &browserDelegate);
 218     WMSetBrowserAction(fPtr->browser, browserClick, fPtr);
 219     WMSetBrowserDoubleAction(fPtr->browser, browserDClick, fPtr);
 220     WMMoveWidget(fPtr->browser, 7, 72);
 221     WMResizeWidget(fPtr->browser, PWIDTH-14,200);
 222     WMHangData(fPtr->browser, fPtr);
 223
 224     fPtr->nameLabel = WMCreateLabel(fPtr->win);
 225     WMMoveWidget(fPtr->nameLabel, 7, 282);
 226     WMResizeWidget(fPtr->nameLabel, 55, 14);
 227     WMSetLabelText(fPtr->nameLabel, "Name:");
 228
 229     fPtr->fileField = WMCreateTextField(fPtr->win);
 230     WMMoveWidget(fPtr->fileField, 60, 278);
 231     WMResizeWidget(fPtr->fileField, PWIDTH-60-10, 24);
 232     WMAddNotificationObserver(textEditedObserver, fPtr,
 233                               WMTextDidEndEditingNotification,
 234                               fPtr->fileField);
 235     WMAddNotificationObserver(textChangedObserver, fPtr,
 236                               WMTextDidChangeNotification,
 237                               fPtr->fileField);
 238
 239     fPtr->okButton = WMCreateCommandButton(fPtr->win);
 240     WMMoveWidget(fPtr->okButton, 245, 325);
 241     WMResizeWidget(fPtr->okButton, 75, 28);
 242     WMSetButtonText(fPtr->okButton, "OK");
 243     WMSetButtonImage(fPtr->okButton, scrPtr->buttonArrow);
 244     WMSetButtonAltImage(fPtr->okButton, scrPtr->pushedButtonArrow);
 245     WMSetButtonImagePosition(fPtr->okButton, WIPRight);
 246     WMSetButtonAction(fPtr->okButton, buttonClick, fPtr);
 247
 248     fPtr->cancelButton = WMCreateCommandButton(fPtr->win);
 249     WMMoveWidget(fPtr->cancelButton, 165, 325);
 250     WMResizeWidget(fPtr->cancelButton, 75, 28);
 251     WMSetButtonText(fPtr->cancelButton, "Cancel");
 252     WMSetButtonAction(fPtr->cancelButton, buttonClick, fPtr);
 253
 254     fPtr->trashcanButton = WMCreateCommandButton(fPtr->win);
 255     WMMoveWidget(fPtr->trashcanButton, 7, 325);
 256     WMResizeWidget(fPtr->trashcanButton, 28, 28);
 257     WMSetButtonImagePosition(fPtr->trashcanButton, WIPImageOnly);
 258     WMSetButtonImage(fPtr->trashcanButton, scrPtr->trashcanIcon);
 259     WMSetButtonAltImage(fPtr->trashcanButton, scrPtr->altTrashcanIcon);
 260     WMSetButtonAction(fPtr->trashcanButton, deleteFile, fPtr);
 261
 262     fPtr->createDirButton = WMCreateCommandButton(fPtr->win);
 263     WMMoveWidget(fPtr->createDirButton, 37, 325);
 264     WMResizeWidget(fPtr->createDirButton, 28, 28);
 265     WMSetButtonImagePosition(fPtr->createDirButton, WIPImageOnly);
 266     WMSetButtonImage(fPtr->createDirButton, scrPtr->createDirIcon);
 267     WMSetButtonAltImage(fPtr->createDirButton, scrPtr->altCreateDirIcon);
 268     WMSetButtonAction(fPtr->createDirButton, createDir, fPtr);
 269
 270     fPtr->homeButton = WMCreateCommandButton(fPtr->win);
 271     WMMoveWidget(fPtr->homeButton, 67, 325);
 272     WMResizeWidget(fPtr->homeButton, 28, 28);
 273     WMSetButtonImagePosition(fPtr->homeButton, WIPImageOnly);
 274     WMSetButtonImage(fPtr->homeButton, scrPtr->homeIcon);
 275     WMSetButtonAltImage(fPtr->homeButton, scrPtr->altHomeIcon);
 276     WMSetButtonAction(fPtr->homeButton, goHome, fPtr);
 277
 278     fPtr->disketteButton = WMCreateCommandButton(fPtr->win);
 279     WMMoveWidget(fPtr->disketteButton, 97, 325);
 280     WMResizeWidget(fPtr->disketteButton, 28, 28);
 281     WMSetButtonImagePosition(fPtr->disketteButton, WIPImageOnly);
 282     WMSetButtonImage(fPtr->disketteButton, scrPtr->disketteIcon);
 283     WMSetButtonAltImage(fPtr->disketteButton, scrPtr->altDisketteIcon);
 284     WMSetButtonAction(fPtr->disketteButton, goFloppy, fPtr);
 285
 286     fPtr->unmountButton = WMCreateCommandButton(fPtr->win);
 287     WMMoveWidget(fPtr->unmountButton, 127, 325);
 288     WMResizeWidget(fPtr->unmountButton, 28, 28);
 289     WMSetButtonImagePosition(fPtr->unmountButton, WIPImageOnly);
 290     WMSetButtonImage(fPtr->unmountButton, scrPtr->unmountIcon);
 291     WMSetButtonAltImage(fPtr->unmountButton, scrPtr->altUnmountIcon);
 292     WMSetButtonAction(fPtr->unmountButton, goUnmount, fPtr);
 293     WMSetButtonEnabled(fPtr->unmountButton, False);
 294
 295
 296     WMRealizeWidget(fPtr->win);
 297     WMMapSubwidgets(fPtr->win);
 298
 299     WMSetFocusToWidget(fPtr->fileField);
 300     WMSetTextFieldCursorPosition(fPtr->fileField, 0);
 301
 302     WMLoadBrowserColumnZero(fPtr->browser);
 303
 304     WMSetWindowInitialPosition(fPtr->win,
 305                (scrPtr->rootView->size.width - WMWidgetWidth(fPtr->win))/2,
 306                (scrPtr->rootView->size.height - WMWidgetHeight(fPtr->win))/2);
 307
 308     fPtr->flags.canChooseFiles = 1;
 309     fPtr->flags.canChooseDirectories = 1;
 310     fPtr->flags.autoCompletion = 1;
 311
 312     return fPtr;
 313 }
 314
 315
 316 WMOpenPanel*
 317 WMGetOpenPanel(WMScreen *scrPtr)
 318 {
 319     WMFilePanel *panel;
 320
 321     if (scrPtr->sharedOpenPanel)
 322         return scrPtr->sharedOpenPanel;
 323
 324     panel = makeFilePanel(scrPtr, "openFilePanel", "Open");
 325     panel->flags.fileMustExist = 1;
 326     panel->flags.panelType = WP_OPEN;
 327
 328     scrPtr->sharedOpenPanel = panel;
 329
 330     return panel;
 331 }
 332
 333
 334 WMSavePanel*
 335 WMGetSavePanel(WMScreen *scrPtr)
 336 {
 337     WMFilePanel *panel;
 338
 339     if (scrPtr->sharedSavePanel)
 340         return scrPtr->sharedSavePanel;
 341
 342     panel = makeFilePanel(scrPtr, "saveFilePanel", "Save");
 343     panel->flags.fileMustExist = 0;
 344     panel->flags.panelType = WP_SAVE;
 345
 346     scrPtr->sharedSavePanel = panel;
 347
 348     return panel;
 349 }
 350
 351
 352 void
 353 WMFreeFilePanel(WMFilePanel *panel)
 354 {
 355     if (panel == WMWidgetScreen(panel->win)->sharedSavePanel) {
 356         WMWidgetScreen(panel->win)->sharedSavePanel = NULL;
 357     }
 358     if (panel == WMWidgetScreen(panel->win)->sharedOpenPanel) {
 359         WMWidgetScreen(panel->win)->sharedOpenPanel = NULL;
 360     }
 361     WMRemoveNotificationObserver(panel);
 362     WMUnmapWidget(panel->win);
 363     WMDestroyWidget(panel->win);
 364     wfree(panel);
 365 }
 366
 367
 368 int
 369 WMRunModalFilePanelForDirectory(WMFilePanel *panel, WMWindow *owner,
 370                                 char *path, char *name, char **fileTypes)
 371 {
 372     WMScreen *scr = WMWidgetScreen(panel->win);
 373
 374     if (name && !owner) {
 375         WMSetWindowTitle(panel->win, name);
 376     }
 377
 378     WMChangePanelOwner(panel->win, owner);
 379
 380     WMSetFilePanelDirectory(panel, path);
 381
 382     switch(panel->flags.panelType) {
 383     case WP_OPEN:
 384         if (fileTypes)
 385             panel->flags.filtered = 1;
 386         panel->fileTypes = fileTypes;
 387         if (name == NULL)
 388             name = "Open";
 389         break;
 390     case WP_SAVE:
 391         panel->fileTypes = NULL;
 392         panel->flags.filtered = 0;
 393         if (name == NULL)
 394             name = "Save";
 395         break;
 396     default:
 397         break;
 398     }
 399
 400     WMSetLabelText(panel->titleLabel, name);
 401
 402     WMMapWidget(panel->win);
 403
 404     WMRunModalLoop(scr, W_VIEW(panel->win));
 405
 406     /* Must withdraw window because the next time we map
 407      * it, it might have a different transient owner.
 408      */
 409     WMCloseWindow(panel->win);
 410
 411     return (panel->flags.canceled ? False : True);
 412 }
 413
 414
 415
 416
 417 void
 418 WMSetFilePanelDirectory(WMFilePanel *panel, char *path)
 419 {
 420     WMList *list;
 421     WMListItem *item;
 422     int col;
 423     char *rest;
 424
 425     rest = WMSetBrowserPath(panel->browser, path);
 426     if (strcmp(path, "/")==0)
 427         rest = NULL;
 428
 429     col = WMGetBrowserSelectedColumn(panel->browser);
 430     list = WMGetBrowserListInColumn(panel->browser, col);
 431     if (list && (item = WMGetListSelectedItem(list))) {
 432         if (item->isBranch) {
 433             WMSetTextFieldText(panel->fileField, rest);
 434         } else {
 435             WMSetTextFieldText(panel->fileField, item->text);
 436         }
 437     } else {
 438         WMSetTextFieldText(panel->fileField, rest);
 439     }
 440 }
 441
 442
 443 void
 444 WMSetFilePanelCanChooseDirectories(WMFilePanel *panel, Bool flag)
 445 {
 446     panel->flags.canChooseDirectories = flag;
 447 }
 448
 449 void
 450 WMSetFilePanelCanChooseFiles(WMFilePanel *panel, Bool flag)
 451 {
 452     panel->flags.canChooseFiles = flag;
 453 }
 454
 455
 456 void
 457 WMSetFilePanelAutoCompletion(WMFilePanel *panel, Bool flag)
 458 {
 459     panel->flags.autoCompletion = flag;
 460 }
 461
 462
 463 char*
 464 WMGetFilePanelFileName(WMFilePanel *panel)
 465 {
 466     return getCurrentFileName(panel);
 467 }
 468
 469
 470 void
 471 WMSetFilePanelAccessoryView(WMFilePanel *panel, WMView *view)
 472 {
 473     WMView *v;
 474
 475     panel->accessoryView = view;
 476
 477     v = WMWidgetView(panel->win);
 478
 479     W_ReparentView(view, v, 0, 0);
 480
 481     W_MoveView(view, (v->size.width - v->size.width)/2, 300);
 482 }
 483
 484
 485 WMView*
 486 WMGetFilePanelAccessoryView(WMFilePanel *panel)
 487 {
 488     return panel->accessoryView;
 489 }
 490
 491
 492 static char*
 493 get_name_from_path(char *path)
 494 {
 495     int size;
 496
 497     assert(path!=NULL);
 498
 499     size = strlen(path);
 500
 501     /* remove trailing / */
 502     while (size > 0 && path[size-1]=='/')
 503         size--;
 504     /* directory was root */
 505     if (size == 0)
 506         return wstrdup("/");
 507
 508     while (size > 0 && path[size-1] != '/')
 509         size--;
 510
 511     return wstrdup(&(path[size]));
 512 }
 513
 514
 515 static int
 516 filterFileName(WMFilePanel *panel, char *file, Bool isDirectory)
 517 {
 518     return True;
 519 }
 520
 521
 522 #define CAST(item) (*((WMListItem**)item))
 523 static int
 524 comparer(const void *a, const void *b)
 525 {
 526     if (CAST(a)->isBranch == CAST(b)->isBranch)
 527       return (strcmp(CAST(a)->text, CAST(b)->text));
 528     if (CAST(a)->isBranch)
 529       return (-1);
 530     return (1);
 531 }
 532 #undef CAST
 533
 534
 535 static void
 536 listDirectoryOnColumn(WMFilePanel *panel, int column, char *path)
 537 {
 538     WMBrowser *bPtr = panel->browser;
 539     struct dirent *dentry;
 540     DIR *dir;
 541     struct stat stat_buf;
 542     char pbuf[PATH_MAX+16];
 543
 544     assert(column >= 0);
 545     assert(path != NULL);
 546
 547     /* put directory name in the title */
 548     WMSetBrowserColumnTitle(bPtr, column, get_name_from_path(path));
 549
 550     dir = opendir(path);
 551
 552     if (!dir) {
 553 #ifdef VERBOSE
 554         printf("WINGs: could not open directory %s\n", path);
 555 #endif
 556         return;
 557     }
 558
 559     /* list contents in the column */
 560     while ((dentry = readdir(dir))) {
 561         if (strcmp(dentry->d_name, ".")==0 ||
 562             strcmp(dentry->d_name, "..")==0)
 563             continue;
 564
 565         strcpy(pbuf, path);
 566         if (strcmp(path, "/")!=0)
 567             strcat(pbuf, "/");
 568         strcat(pbuf, dentry->d_name);
 569
 570         if (stat(pbuf, &stat_buf)!=0) {
 571 #ifdef VERBOSE
 572             printf("WINGs: could not stat %s\n", pbuf);
 573 #endif
 574             continue;
 575         } else {
 576             int isDirectory;
 577
 578             isDirectory = S_ISDIR(stat_buf.st_mode);
 579
 580             if (filterFileName(panel, dentry->d_name, isDirectory))
 581                 WMInsertBrowserItem(bPtr, column, -1, dentry->d_name, isDirectory);
 582         }
 583     }
 584     WMSortBrowserColumnWithComparer(bPtr, column, comparer);
 585
 586     closedir(dir);
 587 }
 588
 589
 590 static void
 591 fillColumn(WMBrowserDelegate *self, WMBrowser *bPtr, int column, WMList *list)
 592 {
 593     char *path;
 594     WMFilePanel *panel;
 595
 596     if (column > 0) {
 597         path = WMGetBrowserPathToColumn(bPtr, column-1);
 598     } else {
 599         path = wstrdup("/");
 600     }
 601
 602     panel = WMGetHangedData(bPtr);
 603     listDirectoryOnColumn(panel, column, path);
 604     wfree(path);
 605 }
 606
 607
 608 static void
 609 browserDClick(WMBrowser *bPtr, WMFilePanel *panel)
 610 {
 611     WMPerformButtonClick(panel->okButton);
 612 }
 613
 614 static void
 615 browserClick(WMBrowser *bPtr, WMFilePanel *panel)
 616 {
 617     int col = WMGetBrowserSelectedColumn(bPtr);
 618     WMListItem *item = WMGetBrowserSelectedItemInColumn(bPtr, col);
 619
 620     if (!item || item->isBranch)
 621         WMSetTextFieldText(panel->fileField, NULL);
 622     else {
 623         WMSetTextFieldText(panel->fileField, item->text);
 624     }
 625 }
 626
 627
 628 static void
 629 showError(WMScreen *scr, WMWindow *owner, char *s, char *file)
 630 {
 631     char *errStr;
 632
 633     if (file) {
 634         errStr = wmalloc(strlen(file)+strlen(s));
 635         sprintf(errStr, s, file);
 636     } else {
 637         errStr = wstrdup(s);
 638     }
 639     WMRunAlertPanel(scr, owner, "Error", errStr, "OK", NULL, NULL);
 640     wfree(errStr);
 641 }
 642
 643
 644 static void
 645 createDir(WMButton *bPre, WMFilePanel *panel)
 646 {
 647     char *dirName, *directory, *file, *s;
 648     WMScreen *scr = WMWidgetScreen(panel->win);
 649
 650     dirName = WMRunInputPanel(scr, panel->win, "Create Directory",
 651                               "Enter directory name", "", "OK", "Cancel");
 652     if (!dirName)
 653         return;
 654
 655     directory = getCurrentFileName(panel);
 656     s = strrchr(directory,'/');
 657     if (s) s[1] = 0;
 658
 659     if (dirName[0] == '/') {
 660         directory[0] = 0;
 661     } else {
 662         while ((s = strstr(directory,"//"))) {
 663             int i;
 664             for (i = 2;s[i] == '/';i++);
 665             strcpy(s, &s[i-1]);
 666         }
 667         if ((s = strrchr(directory, '/')) && !s[1]) s[0] = 0;
 668     }
 669     while ((s = strstr(dirName,"//"))) {
 670         int i;
 671         for (i = 2;s[i] == '/';i++);
 672         strcpy(s, &s[i-1]);
 673     }
 674     if ((s = strrchr(dirName, '/')) && !s[1]) s[0] = 0;
 675
 676     file = wmalloc(strlen(dirName)+strlen(directory)+1);
 677     sprintf(file, "%s/%s", directory, dirName);
 678     while ((s = strstr(file,"//"))) {
 679         int i;
 680         for (i = 2;s[i] == '/';i++);
 681         strcpy(s, &s[i-1]);
 682     }
 683
 684     if (mkdir(file,0xfff) != 0) {
 685         switch (errno) {
 686             case EACCES:
 687                 showError(scr, panel->win, "Permission denied.", NULL);
 688                 break;
 689             case EEXIST:
 690                 showError(scr, panel->win, "'%s' already existes.", file);
 691                 break;
 692             case ENOENT:
 693                 showError(scr, panel->win, "Path does not exist.", NULL);
 694         }
 695     }
 696     else WMSetFilePanelDirectory(panel, file);
 697
 698     wfree(dirName);
 699     wfree(directory);
 700     wfree(file);
 701 }
 702
 703 static void
 704 deleteFile(WMButton *bPre, WMFilePanel *panel)
 705 {
 706     char *file;
 707     char *buffer, *s;
 708     struct stat filestat;
 709     WMScreen *scr = WMWidgetScreen(panel->win);
 710
 711     file = getCurrentFileName(panel);
 712
 713     while ((s = strstr(file,"//"))) {
 714         int i;
 715         for (i = 2;s[i] == '/';i++);
 716         strcpy(s, &s[i-1]);
 717     }
 718     if (strlen(file) > 1 && (s = strrchr(file, '/')) && !s[1]) s[0] = 0;
 719
 720     if (stat(file,&filestat)) {
 721         switch (errno) {
 722             case ENOENT:
 723                 showError(scr, panel->win, "'%s' does not exist.", file);
 724                 break;
 725             case EACCES:
 726                 showError(scr, panel->win, "Permission denied.", NULL);
 727                 break;
 728             case ENOMEM:
 729                 showError(scr, panel->win,
 730                         "Insufficient memory available.", NULL);
 731                 break;
 732             case EROFS:
 733                 showError(scr, panel->win,
 734                         "'%s' is on a read-only filesystem.", file);
 735                 break;
 736             default:
 737                 showError(scr, panel->win, "Can not delete '%s'.", file);
 738         }
 739         wfree(file);
 740         return;
 741     } else if (S_ISDIR(filestat.st_mode)) {
 742         buffer = wmalloc(strlen(file)+20);
 743         sprintf(buffer,"Delete directory %s ?",file);
 744     } else {
 745         buffer = wmalloc(strlen(file)+15);
 746         sprintf(buffer,"Delete file %s ?",file);
 747     }
 748
 749     if (!WMRunAlertPanel(WMWidgetScreen(panel->win), panel->win,
 750                 "Warning", buffer, "OK", "Cancel", NULL)) {
 751         if (S_ISDIR(filestat.st_mode)) {
 752             if (rmdir(file) != 0) {
 753                 switch (errno) {
 754                     case EACCES:
 755                         showError(scr, panel->win, "Permission denied.", NULL);
 756                         break;
 757                     case ENOENT:
 758                         showError(scr, panel->win, "Directory '%s' does not exist.", file);
 759                         break;
 760                     case ENOTEMPTY:
 761                         showError(scr, panel->win, "Directory '%s' is not empty.", file);
 762                         break;
 763                     case EBUSY:
 764                         showError(scr, panel->win, "Directory '%s' is busy.", file);
 765                         break;
 766                     default:
 767                         showError(scr, panel->win, "Can not delete '%s'.", file);
 768                 }
 769             } else {
 770                 char *s = strrchr(file,'/');
 771                 if (s) s[0] = 0;
 772                 WMSetFilePanelDirectory(panel, file);
 773             }
 774         } else if (remove(file) != 0) {
 775             switch (errno) {
 776                 case EISDIR:
 777                     showError(scr, panel->win, "'%s' is a directory.", file);
 778                     break;
 779                 case ENOENT:
 780                     showError(scr, panel->win, "'%s' does not exist.", file);
 781                     break;
 782                 case EACCES:
 783                     showError(scr, panel->win, "Permission denied.", NULL);
 784                     break;
 785                 case ENOMEM:
 786                     showError(scr, panel->win,
 787                             "Insufficient memory available.", NULL);
 788                     break;
 789                 case EROFS:
 790                     showError(scr, panel->win,
 791                             "'%s' is on a read-only filesystem.", file);
 792                     break;
 793                 default:
 794                     showError(scr, panel->win, "Can not delete '%s'.", file);
 795             }
 796         } else {
 797             char *s = strrchr(file,'/');
 798             if (s) s[1] = 0;
 799             WMSetFilePanelDirectory(panel, file);
 800         }
 801     }
 802     wfree(buffer);
 803     wfree(file);
 804 }
 805
 806 static void
 807 goUnmount(WMButton *bPtr, WMFilePanel *panel)
 808 {
 809 }
 810
 811
 812 static void
 813 goFloppy(WMButton *bPtr, WMFilePanel *panel)
 814 {
 815     struct stat filestat;
 816     WMScreen *scr = WMWidgetScreen(panel->win);
 817
 818     if (stat(WINGsConfiguration.floppyPath, &filestat)) {
 819         showError(scr, panel->win, "An error occured browsing '%s'.",
 820                   WINGsConfiguration.floppyPath);
 821         return;
 822     } else if (!S_ISDIR(filestat.st_mode)) {
 823         showError(scr, panel->win, "'%s' is not a directory.",
 824                   WINGsConfiguration.floppyPath);
 825         return;
 826     }
 827
 828     WMSetFilePanelDirectory(panel, WINGsConfiguration.floppyPath);
 829 }
 830
 831
 832 static void
 833 goHome(WMButton *bPtr, WMFilePanel *panel)
 834 {
 835     char *home;
 836
 837     /* home is statically allocated. Don't free it! */
 838     home = wgethomedir();
 839     if (!home)
 840         return;
 841
 842     WMSetFilePanelDirectory(panel, home);
 843 }
 844
 845
 846 static void
 847 handleEvents(XEvent *event, void *data)
 848 {
 849     W_FilePanel *pPtr = (W_FilePanel*)data;
 850     W_View *view = WMWidgetView(pPtr->win);
 851
 852     if (event->type == ConfigureNotify) {
 853         if (event->xconfigure.width != view->size.width
 854             || event->xconfigure.height != view->size.height) {
 855             unsigned int newWidth = event->xconfigure.width;
 856             unsigned int newHeight = event->xconfigure.height;
 857             int newColumnCount;
 858
 859             W_ResizeView(view, newWidth, newHeight);
 860             WMResizeWidget(pPtr->line, newWidth, 2);
 861             WMResizeWidget(pPtr->browser, newWidth-14,
 862                            newHeight-(PHEIGHT-200));
 863             WMResizeWidget(pPtr->fileField, newWidth-60-10, 24);
 864             WMMoveWidget(pPtr->nameLabel, 7, newHeight-(PHEIGHT-282));
 865             WMMoveWidget(pPtr->fileField, 60, newHeight-(PHEIGHT-278));
 866             WMMoveWidget(pPtr->okButton, newWidth-(PWIDTH-245),
 867                     newHeight-(PHEIGHT-325));
 868             WMMoveWidget(pPtr->cancelButton, newWidth-(PWIDTH-165),
 869                     newHeight-(PHEIGHT-325));
 870
 871             WMMoveWidget(pPtr->trashcanButton, 7, newHeight-(PHEIGHT-325));
 872             WMMoveWidget(pPtr->createDirButton, 37, newHeight-(PHEIGHT-325));
 873             WMMoveWidget(pPtr->homeButton, 67, newHeight-(PHEIGHT-325));
 874             WMMoveWidget(pPtr->disketteButton, 97, newHeight-(PHEIGHT-325));
 875             WMMoveWidget(pPtr->unmountButton, 127, newHeight-(PHEIGHT-325));
 876
 877             newColumnCount = (newWidth - 14) / 140;
 878             WMSetBrowserMaxVisibleColumns(pPtr->browser, newColumnCount);
 879         }
 880     }
 881 }
 882
 883
 884 static char*
 885 getCurrentFileName(WMFilePanel *panel)
 886 {
 887     char *path;
 888     char *file;
 889     char *tmp;
 890     int len;
 891
 892     path = WMGetBrowserPath(panel->browser);
 893
 894     len = strlen(path);
 895     if (path[len-1]=='/') {
 896         file = WMGetTextFieldText(panel->fileField);
 897         tmp = wmalloc(strlen(path)+strlen(file)+8);
 898         if (file[0]!='/') {
 899            strcpy(tmp, path);
 900            strcat(tmp, file);
 901         } else
 902            strcpy(tmp, file);
 903
 904         wfree(file);
 905         wfree(path);
 906         return tmp;
 907     } else {
 908         return path;
 909     }
 910 }
 911
 912
 913
 914 static Bool
 915 validOpenFile(WMFilePanel *panel)
 916 {
 917     WMListItem *item;
 918     int col, haveFile = 0;
 919     char *file = WMGetTextFieldText(panel->fileField);
 920
 921     if (file[0] != '\0')
 922         haveFile = 1;
 923     wfree(file);
 924
 925     col = WMGetBrowserSelectedColumn(panel->browser);
 926     item = WMGetBrowserSelectedItemInColumn(panel->browser, col);
 927     if (item) {
 928         if (item->isBranch && !panel->flags.canChooseDirectories && !haveFile)
 929             return False;
 930         else if (!item->isBranch && !panel->flags.canChooseFiles)
 931             return False;
 932         else
 933             return True;
 934     } else {
 935         /* we compute for / here */
 936         if (!panel->flags.canChooseDirectories && !haveFile)
 937             return False;
 938         else
 939             return True;
 940     }
 941     return True;
 942 }
 943
 944
 945
 946 static void
 947 buttonClick(WMButton *bPtr, WMFilePanel *panel)
 948 {
 949     WMRange range;
 950
 951     if (bPtr == panel->okButton) {
 952         if (!validOpenFile(panel))
 953             return;
 954         if (panel->flags.fileMustExist) {
 955             char *file;
 956
 957             file = getCurrentFileName(panel);
 958             if (access(file, F_OK)!=0) {
 959                 WMRunAlertPanel(WMWidgetScreen(panel->win), panel->win,
 960                                 "Error", "File does not exist.",
 961                                 "Ok", NULL, NULL);
 962                 wfree(file);
 963                 return;
 964             }
 965             wfree(file);
 966         }
 967         panel->flags.canceled = 0;
 968     } else
 969         panel->flags.canceled = 1;
 970
 971     range.count = range.position = 0;
 972     WMSelectTextFieldRange(panel->fileField, range);
 973     WMBreakModalLoop(WMWidgetScreen(bPtr));
 974 }
 975
 976