![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to dlgFileSelect.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Previous NeXT emulator] / previous_trunk / src / gui-sdl|
Return to dlgFileSelect.c CVS log | Up to [Previous NeXT emulator] / previous_trunk / src / gui-sdl |
1.1 root 1: /*
2: Hatari - dlgFileSelect.c
3:
4: This file is distributed under the GNU Public License, version 2 or at
5: your option any later version. Read the file gpl.txt for details.
6:
7: A file selection dialog for the graphical user interface for Hatari.
8: */
9: const char DlgFileSelect_fileid[] = "Hatari dlgFileSelect.c : " __DATE__ " " __TIME__;
10:
11: #include <SDL.h>
12: #include <sys/stat.h>
13: #include <unistd.h>
14:
15: #include "main.h"
16: #include "scandir.h"
17: #include "sdlgui.h"
18: #include "file.h"
19: #include "paths.h"
20: #include "zip.h"
21:
22:
23: #define SGFS_NUMENTRIES 16 /* How many entries are displayed at once */
24:
25:
26: #define SGFSDLG_FILENAME 5
27: #define SGFSDLG_UPDIR 6
28: #define SGFSDLG_HOMEDIR 7
29: #define SGFSDLG_ROOTDIR 8
30: #define SGFSDLG_ENTRYFIRST 11
31: #define SGFSDLG_ENTRYLAST 26
32: #define SGFSDLG_SCROLLBAR 27
33: #define SGFSDLG_UP 28
34: #define SGFSDLG_DOWN 29
35: #define SGFSDLG_SHOWHIDDEN 30
36: #define SGFSDLG_OKAY 31
37: #define SGFSDLG_CANCEL 32
38:
39: #define SCROLLOUT_ABOVE 1
40: #define SCROLLOUT_UNDER 2
41:
42: #define DLGPATH_SIZE 62
43: static char dlgpath[DLGPATH_SIZE+1]; /* Path name in the dialog */
44:
45: #define DLGFNAME_SIZE 56
46: static char dlgfname[DLGFNAME_SIZE+1]; /* Name of the selected file in the dialog */
47:
48: #define DLGFILENAMES_SIZE 59
49: static char dlgfilenames[SGFS_NUMENTRIES][DLGFILENAMES_SIZE+1]; /* Visible file names in the dialog */
50:
51: /* The dialog data: */
52: static SGOBJ fsdlg[] =
53: {
54: { SGBOX, 0, 0, 0,0, 64,25, NULL },
55: { SGTEXT, 0, 0, 25,1, 13,1, "Choose a file" },
56: { SGTEXT, 0, 0, 1,2, 7,1, "Folder:" },
57: { SGTEXT, 0, 0, 1,3, DLGPATH_SIZE,1, dlgpath },
58: { SGTEXT, 0, 0, 1,4, 6,1, "File:" },
59: { SGTEXT, 0, 0, 7,4, DLGFNAME_SIZE,1, dlgfname },
60: { SGBUTTON, 0, 0, 51,1, 4,1, ".." },
61: { SGBUTTON, 0, 0, 56,1, 3,1, "~" },
62: { SGBUTTON, 0, 0, 60,1, 3,1, "/" },
63: { SGBOX, 0, 0, 1,6, 62,16, NULL },
64: { SGBOX, 0, 0, 62,7, 1,14, NULL },
65: { SGTEXT, SG_EXIT, 0, 2,6, DLGFILENAMES_SIZE,1, dlgfilenames[0] },
66: { SGTEXT, SG_EXIT, 0, 2,7, DLGFILENAMES_SIZE,1, dlgfilenames[1] },
67: { SGTEXT, SG_EXIT, 0, 2,8, DLGFILENAMES_SIZE,1, dlgfilenames[2] },
68: { SGTEXT, SG_EXIT, 0, 2,9, DLGFILENAMES_SIZE,1, dlgfilenames[3] },
69: { SGTEXT, SG_EXIT, 0, 2,10, DLGFILENAMES_SIZE,1, dlgfilenames[4] },
70: { SGTEXT, SG_EXIT, 0, 2,11, DLGFILENAMES_SIZE,1, dlgfilenames[5] },
71: { SGTEXT, SG_EXIT, 0, 2,12, DLGFILENAMES_SIZE,1, dlgfilenames[6] },
72: { SGTEXT, SG_EXIT, 0, 2,13, DLGFILENAMES_SIZE,1, dlgfilenames[7] },
73: { SGTEXT, SG_EXIT, 0, 2,14, DLGFILENAMES_SIZE,1, dlgfilenames[8] },
74: { SGTEXT, SG_EXIT, 0, 2,15, DLGFILENAMES_SIZE,1, dlgfilenames[9] },
75: { SGTEXT, SG_EXIT, 0, 2,16, DLGFILENAMES_SIZE,1, dlgfilenames[10] },
76: { SGTEXT, SG_EXIT, 0, 2,17, DLGFILENAMES_SIZE,1, dlgfilenames[11] },
77: { SGTEXT, SG_EXIT, 0, 2,18, DLGFILENAMES_SIZE,1, dlgfilenames[12] },
78: { SGTEXT, SG_EXIT, 0, 2,19, DLGFILENAMES_SIZE,1, dlgfilenames[13] },
79: { SGTEXT, SG_EXIT, 0, 2,20, DLGFILENAMES_SIZE,1, dlgfilenames[14] },
80: { SGTEXT, SG_EXIT, 0, 2,21, DLGFILENAMES_SIZE,1, dlgfilenames[15] },
81: { SGSCROLLBAR, SG_TOUCHEXIT, 0, 62, 7, 0, 0, NULL }, /* Scrollbar */
82: { SGBUTTON, SG_TOUCHEXIT, 0, 62, 6,1,1, "\x01" }, /* Arrow up */
83: { SGBUTTON, SG_TOUCHEXIT, 0, 62,21,1,1, "\x02" }, /* Arrow down */
84: { SGCHECKBOX, SG_EXIT, 0, 2,23, 18,1, "Show hidden files" },
85: { SGBUTTON, SG_DEFAULT, 0, 32,23, 8,1, "Okay" },
86: { SGBUTTON, SG_CANCEL, 0, 50,23, 8,1, "Cancel" },
87: { -1, 0, 0, 0,0, 0,0, NULL }
88: };
89:
90:
91: static int ypos; /* First entry number to be displayed */
92: static bool refreshentries; /* Do we have to update the file names in the dialog? */
93: static int entries; /* How many files are in the actual directory? */
94: static int oldMouseY = 0; /* Keep the latest Y mouse position for scrollbar move computing */
95: static int mouseClicked = 0; /* used to know if mouse if down for the first time or not */
96: static int mouseIsOut = 0; /* used to keep info that mouse if above or under the scrollbar when mousebutton is down */
97: static float scrollbar_Ypos = 0.0; /* scrollbar heigth */
98:
99: /* Convert file position (in file list) to scrollbar y position */
100: static void DlgFileSelect_Convert_ypos_to_scrollbar_Ypos(void);
101:
102:
103:
104: /*-----------------------------------------------------------------------*/
105: /**
106: * Update the file name strings in the dialog.
107: * Returns false if it failed, true on success.
108: */
109: static int DlgFileSelect_RefreshEntries(struct dirent **files, char *path, bool browsingzip)
110: {
111: int i;
112: char *tempstr = malloc(FILENAME_MAX);
113:
114: if (!tempstr)
115: {
116: perror("DlgFileSelect_RefreshEntries");
117: return false;
118: }
119:
120: /* Copy entries to dialog: */
121: for (i=0; i<SGFS_NUMENTRIES; i++)
122: {
123: if (i+ypos < entries)
124: {
125: struct stat filestat;
126: /* Prepare entries: */
127: strcpy(tempstr, " ");
128: strcat(tempstr, files[i+ypos]->d_name);
129: File_ShrinkName(dlgfilenames[i], tempstr, DLGFILENAMES_SIZE);
130: /* Mark folders: */
131: strcpy(tempstr, path);
132: strcat(tempstr, files[i+ypos]->d_name);
133:
134: if (browsingzip)
135: {
136: if (File_DoesFileNameEndWithSlash(tempstr))
137: dlgfilenames[i][0] = SGFOLDER; /* Mark folders */
138: }
139: else
140: {
141: if( stat(tempstr, &filestat)==0 && S_ISDIR(filestat.st_mode) )
142: dlgfilenames[i][0] = SGFOLDER; /* Mark folders */
143: if (ZIP_FileNameIsZIP(tempstr) && browsingzip == false)
144: dlgfilenames[i][0] = SGFOLDER; /* Mark .ZIP archives as folders */
145: }
146: }
147: else
148: dlgfilenames[i][0] = 0; /* Clear entry */
149: }
150:
151: free(tempstr);
152: return true;
153: }
154:
155:
156: /*-----------------------------------------------------------------------*/
157: /**
158: * Remove all hidden files (files with file names that begin with a dot) from
159: * the list.
160: */
161: static void DlgFileSelect_RemoveHiddenFiles(struct dirent **files)
162: {
163: int i;
164: int nActPos = -1;
165: int nOldEntries;
166:
167: nOldEntries = entries;
168:
169: /* Scan list for hidden files and remove them. */
170: for (i = 0; i < nOldEntries; i++)
171: {
172: /* Does file name start with a dot? -> hidden file! */
173: if (files[i]->d_name[0] == '.')
174: {
175: if (nActPos == -1)
176: nActPos = i;
177: /* Remove file from list: */
178: free(files[i]);
179: files[i] = NULL;
180: entries -= 1;
181: }
182: }
183:
184: /* Now close the gaps in the list: */
185: if (nActPos != -1)
186: {
187: for (i = nActPos; i < nOldEntries; i++)
188: {
189: if (files[i] != NULL)
190: {
191: /* Move entry to earlier position: */
192: files[nActPos] = files[i];
193: files[i] = NULL;
194: nActPos += 1;
195: }
196: }
197: }
198: }
199:
200:
201: /*-----------------------------------------------------------------------*/
202: /**
203: * Prepare to scroll up one entry.
204: */
205: static void DlgFileSelect_ScrollUp(void)
206: {
207: if (ypos > 0)
208: {
209: --ypos;
210: DlgFileSelect_Convert_ypos_to_scrollbar_Ypos();
211: refreshentries = true;
212: }
213: }
214:
215:
216: /*-----------------------------------------------------------------------*/
217: /**
218: * Prepare to scroll down one entry.
219: */
220: static void DlgFileSelect_ScrollDown(void)
221: {
222: if (ypos+SGFS_NUMENTRIES < entries)
223: {
224: ++ypos;
225: DlgFileSelect_Convert_ypos_to_scrollbar_Ypos();
226: refreshentries = true;
227: }
228: }
229:
230: /*-----------------------------------------------------------------------*/
231: /**
232: * Manage the scrollbar up or down.
233: */
234: static void DlgFileSelect_ManageScrollbar(void)
235: {
236: int b, x, y;
237: int scrollY, scrollYmin, scrollYmax, scrollH_half;
238: float scrollMove;
239:
240: b = SDL_GetMouseState(&x, &y);
241:
242: /* If mouse is down on the scrollbar for the first time */
243: if (fsdlg[SGFSDLG_SCROLLBAR].state & SG_MOUSEDOWN) {
244: if (mouseClicked == 0) {
245: mouseClicked = 1;
246: mouseIsOut = 0;
247: oldMouseY = y;
248: }
249: }
250: /* Mouse button is up on the scrollbar */
251: else {
252: mouseClicked = 0;
253: oldMouseY = y;
254: mouseIsOut = 0;
255: }
256:
257: /* If mouse Y position didn't change */
258: if (oldMouseY == y)
259: return;
260:
261: /* Compute scrollbar ymin and ymax values */
262:
263: scrollYmin = (fsdlg[SGFSDLG_SCROLLBAR].y + fsdlg[0].y) * sdlgui_fontheight;
264: scrollYmax = (fsdlg[SGFSDLG_DOWN].y + fsdlg[0].y) * sdlgui_fontheight;
265:
266: scrollY = fsdlg[SGFSDLG_SCROLLBAR].y * sdlgui_fontheight + fsdlg[SGFSDLG_SCROLLBAR].h + fsdlg[0].y * sdlgui_fontheight;
267: scrollH_half = scrollY + fsdlg[SGFSDLG_SCROLLBAR].w / 2;
268: scrollMove = (float)(y-oldMouseY)/sdlgui_fontheight;
269:
270: /* Verify if mouse is not above the scrollbar area */
271: if (y < scrollYmin) {
272: mouseIsOut = SCROLLOUT_ABOVE;
273: oldMouseY = y;
274: return;
275: }
276: if (mouseIsOut == SCROLLOUT_ABOVE && y < scrollH_half) {
277: oldMouseY = y;
278: return;
279: }
280:
281: /* Verify if mouse is not under the scrollbar area */
282: if (y > scrollYmax) {
283: mouseIsOut = SCROLLOUT_UNDER;
284: oldMouseY = y;
285: return;
286: }
287: if (mouseIsOut == SCROLLOUT_UNDER && y > scrollH_half) {
288: oldMouseY = y;
289: return;
290: }
291:
292: mouseIsOut = 0;
293:
294: scrollbar_Ypos += scrollMove;
295: oldMouseY = y;
296:
297: /* Verifiy if scrollbar is in correct inferior boundary */
298: if (scrollbar_Ypos < 0) {
299: scrollbar_Ypos = 0.0;
300: }
301:
302: /* Verifiy if scrollbar is in correct superior boundary */
303: b = (int) (scrollbar_Ypos * ((float)entries/(float)(SGFS_NUMENTRIES-2)) + 0.5);
304: if (b+SGFS_NUMENTRIES >= entries) {
305: ypos = entries - SGFS_NUMENTRIES;
306: DlgFileSelect_Convert_ypos_to_scrollbar_Ypos();
307: }
308:
309: refreshentries = true;
310: }
311:
312:
313: /*-----------------------------------------------------------------------*/
314: /**
315: * Handle SDL events.
316: */
317: static void DlgFileSelect_HandleSdlEvents(SDL_Event *pEvent)
318: {
319: int oldypos = ypos;
320: switch (pEvent->type)
321: {
322: case SDL_MOUSEWHEEL:
323: if (pEvent->wheel.y>0)
324: DlgFileSelect_ScrollUp();
325: else if (pEvent->wheel.y<0)
326: DlgFileSelect_ScrollDown();
327: break;
328: case SDL_KEYDOWN:
329: switch (pEvent->key.keysym.sym)
330: {
331: case SDLK_UP:
332: DlgFileSelect_ScrollUp();
333: break;
334: case SDLK_DOWN:
335: DlgFileSelect_ScrollDown();
336: break;
337: case SDLK_HOME:
338: ypos = 0;
339: DlgFileSelect_Convert_ypos_to_scrollbar_Ypos();
340: break;
341: case SDLK_END:
342: ypos = entries-SGFS_NUMENTRIES;
343: DlgFileSelect_Convert_ypos_to_scrollbar_Ypos();
344: break;
345: case SDLK_PAGEUP:
346: ypos -= SGFS_NUMENTRIES;
347: DlgFileSelect_Convert_ypos_to_scrollbar_Ypos();
348: break;
349: case SDLK_PAGEDOWN:
350: if (ypos+2*SGFS_NUMENTRIES < entries)
351: ypos += SGFS_NUMENTRIES;
352: else
353: ypos = entries-SGFS_NUMENTRIES;
354: DlgFileSelect_Convert_ypos_to_scrollbar_Ypos();
355: break;
356: default:
357: break;
358: }
359: break;
360: default:
361: break;
362: }
363:
364: if (ypos < 0) {
365: ypos = 0;
366: scrollbar_Ypos = 0.0;
367: }
368:
369: if (ypos != oldypos)
370: refreshentries = true;
371: }
372:
373:
374: /*-----------------------------------------------------------------------*/
375: /**
376: * Free file entries
377: */
378: static struct dirent **files_free(struct dirent **files)
379: {
380: int i;
381: if (files != NULL)
382: {
383: for(i=0; i<entries; i++)
384: {
385: free(files[i]);
386: }
387: free(files);
388: }
389: return NULL;
390: }
391:
392:
393: /*-----------------------------------------------------------------------*/
394: /**
395: * Copy to dst src+add if they are below maxlen and return true,
396: * otherwise return false
397: */
398: static int strcat_maxlen(char *dst, int maxlen, const char *src, const char *add)
399: {
400: int slen, alen;
401: slen = strlen(src);
402: alen = strlen(add);
403: if (slen + alen < maxlen)
404: {
405: strcpy(dst, src);
406: strcpy(dst+slen, add);
407: return 1;
408: }
409: return 0;
410: }
411:
412: /*-----------------------------------------------------------------------*/
413: /**
414: * Create and return suitable path into zip file
415: */
416: static char* zip_get_path(const char *zipdir, const char *zipfilename, int browsingzip)
417: {
418: if (browsingzip)
419: {
420: char *zippath;
421: zippath = malloc(strlen(zipdir) + strlen(zipfilename) + 1);
422: strcpy(zippath, zipdir);
423: strcat(zippath, zipfilename);
424: return zippath;
425: }
426: return strdup("");
427: }
428:
429: /**
430: * string for zip root needs to be empty, check and correct if needed
431: */
432: static void correct_zip_root(char *zippath)
433: {
434: if (zippath[0] == PATHSEP && !zippath[1])
435: {
436: zippath[0] = '\0';
437: }
438: }
439:
440: /**
441: * Convert Ypos to Y scrollbar position
442: */
443: static void DlgFileSelect_Convert_ypos_to_scrollbar_Ypos(void)
444: {
445: if (entries <= SGFS_NUMENTRIES)
446: scrollbar_Ypos = 0.0;
447: else
448: scrollbar_Ypos = (float)ypos / ((float)entries/(float)(SGFS_NUMENTRIES-2));
449: }
450:
451: /*-----------------------------------------------------------------------*/
452: /**
453: * Show and process a file selection dialog.
454: * Returns path/name user selected or NULL if user canceled
455: * input: zip_path = pointer's pointer to buffer to contain file path
456: * within a selected zip file, or NULL if browsing zip files is disallowed.
457: * bAllowNew: true if the user is allowed to insert new file names.
458: */
459: char* SDLGui_FileSelect(const char *path_and_name, char **zip_path, bool bAllowNew)
460: {
461: struct dirent **files = NULL;
462: char *pStringMem;
463: char *retpath;
464: const char *home;
465: char *path, *fname; /* The actual file and path names */
466: bool reloaddir = true; /* Do we have to reload the directory file list? */
467: int retbut;
468: int oldcursorstate;
469: int selection; /* The selection index */
470: char *zipfilename; /* Filename in zip file */
471: char *zipdir;
472: bool browsingzip = false; /* Are we browsing an archive? */
473: zip_dir *zipfiles = NULL;
474: SDL_Event sdlEvent;
475: int yScrolbar_size; /* Size of the vertical scrollbar */
476:
477:
478: ypos = 0;
479: scrollbar_Ypos = 0.0;
480: refreshentries = true;
481: entries = 0;
482:
483: /* Allocate memory for the file and path name strings: */
484: pStringMem = malloc(4 * FILENAME_MAX);
485: path = pStringMem;
486: fname = pStringMem + FILENAME_MAX;
487: zipdir = pStringMem + 2 * FILENAME_MAX;
488: zipfilename = pStringMem + 3 * FILENAME_MAX;
489: zipfilename[0] = 0;
490: fname[0] = 0;
491: path[0] = 0;
492:
493: SDLGui_CenterDlg(fsdlg);
494: if (bAllowNew)
495: {
496: fsdlg[SGFSDLG_FILENAME].type = SGEDITFIELD;
497: fsdlg[SGFSDLG_FILENAME].flags |= SG_EXIT;
498: }
499: else
500: {
501: fsdlg[SGFSDLG_FILENAME].type = SGTEXT;
502: fsdlg[SGFSDLG_FILENAME].flags &= ~SG_EXIT;
503: }
504:
505: /* Prepare the path and filename variables */
506: if (path_and_name && path_and_name[0])
507: {
508: strncpy(path, path_and_name, FILENAME_MAX);
509: path[FILENAME_MAX-1] = '\0';
510: }
511: if (!File_DirExists(path))
512: {
513: File_SplitPath(path, path, fname, NULL);
514: if (!(File_DirExists(path) || getcwd(path, FILENAME_MAX)))
515: {
516: perror("SDLGui_FileSelect: non-existing path and CWD failed");
517: free(pStringMem);
518: return NULL;
519: }
520: }
521:
522: File_MakeAbsoluteName(path);
523: File_MakeValidPathName(path);
524: File_ShrinkName(dlgpath, path, DLGPATH_SIZE);
525: File_ShrinkName(dlgfname, fname, DLGFNAME_SIZE);
526:
527: /* Save old mouse cursor state and enable cursor */
528: oldcursorstate = SDL_ShowCursor(SDL_QUERY);
529: if (oldcursorstate == SDL_DISABLE)
530: SDL_ShowCursor(SDL_ENABLE);
531:
532: do
533: {
534: if (reloaddir)
535: {
536: files = files_free(files);
537:
538: if (browsingzip)
539: {
540: files = ZIP_GetFilesDir(zipfiles, zipdir, &entries);
541: if(!files)
542: {
543: fprintf(stderr, "SDLGui_FileSelect: ZIP_GetFilesDir error!\n");
544: free(pStringMem);
545: return NULL;
546: }
547: }
548: else
549: {
550: /* Load directory entries: */
551: entries = scandir(path, &files, 0, alphasort);
552: }
553:
554: /* Remove hidden files from the list if necessary: */
555: if (!(fsdlg[SGFSDLG_SHOWHIDDEN].state & SG_SELECTED))
556: {
557: DlgFileSelect_RemoveHiddenFiles(files);
558: }
559:
560: if (entries < 0)
561: {
562: fprintf(stderr, "SDLGui_FileSelect: Path not found.\n");
563: free(pStringMem);
564: return NULL;
565: }
566:
567: /* reload always implies refresh */
568: reloaddir = false;
569: refreshentries = true;
570: }/* reloaddir */
571:
572: /* Refresh scrollbar size */
573: if (entries <= SGFS_NUMENTRIES)
574: yScrolbar_size = (SGFS_NUMENTRIES-2) * sdlgui_fontheight;
575: else
576: yScrolbar_size = (int)((SGFS_NUMENTRIES-2) / ((float)entries/(float)SGFS_NUMENTRIES) * sdlgui_fontheight);
577: fsdlg[SGFSDLG_SCROLLBAR].w = yScrolbar_size;
578:
579: /* Refresh scrolbar pos */
580: fsdlg[SGFSDLG_SCROLLBAR].h = (int) (scrollbar_Ypos * sdlgui_fontheight);
581: ypos = (int) (scrollbar_Ypos * ((float)entries/(float)(SGFS_NUMENTRIES-2)) + 0.5);
582:
583: /* Update the file name strings in the dialog? */
584: if (refreshentries)
585: {
586: if (!DlgFileSelect_RefreshEntries(files, path, browsingzip))
587: {
588: free(pStringMem);
589: return NULL;
590: }
591: refreshentries = false;
592: }
593:
594: /* Show dialog: */
595: retbut = SDLGui_DoDialog(fsdlg, &sdlEvent);
596:
597: /* Has the user clicked on a file or folder? */
598: if (retbut>=SGFSDLG_ENTRYFIRST && retbut<=SGFSDLG_ENTRYLAST && retbut-SGFSDLG_ENTRYFIRST+ypos<entries)
599: {
600: char *tempstr;
601:
602: tempstr = malloc(FILENAME_MAX);
603: if (!tempstr)
604: {
605: perror("Error while allocating temporary memory in SDLGui_FileSelect()");
606: free(pStringMem);
607: return NULL;
608: }
609:
610: if (browsingzip == true)
611: {
612: if (!strcat_maxlen(tempstr, FILENAME_MAX,
613: zipdir, files[retbut-SGFSDLG_ENTRYFIRST+ypos]->d_name))
614: {
615: fprintf(stderr, "SDLGui_FileSelect: Path name too long!\n");
616: free(pStringMem);
617: return NULL;
618: }
619: /* directory? */
620: if (File_DoesFileNameEndWithSlash(tempstr))
621: {
622: /* handle the ../ directory */
623: if (strcmp(files[retbut-SGFSDLG_ENTRYFIRST+ypos]->d_name, "../") == 0)
624: {
625: /* close the zip file */
626: if (strcmp(tempstr, "../") == 0)
627: {
628: /* free zip file entries */
629: ZIP_FreeZipDir(zipfiles);
630: zipfiles = NULL;
631: /* Copy the path name to the dialog */
632: File_ShrinkName(dlgpath, path, DLGPATH_SIZE);
633: browsingzip = false;
634: }
635: else
636: {
637: /* remove "../" and previous dir from path */
638: File_PathShorten(tempstr, 2);
639: correct_zip_root(tempstr);
640: strcpy(zipdir, tempstr);
641: File_ShrinkName(dlgpath, zipdir, DLGPATH_SIZE);
642: }
643: }
644: else /* not the "../" directory */
645: {
646: strcpy(zipdir, tempstr);
647: File_ShrinkName(dlgpath, zipdir, DLGPATH_SIZE);
648: }
649: reloaddir = true;
650: /* Copy the path name to the dialog */
651: zipfilename[0] = '\0';
652: dlgfname[0] = 0;
653: ypos = 0;
654: scrollbar_Ypos = 0.0;
655: }
656: else
657: {
658: /* not dir, select a file in the zip */
659: selection = retbut-SGFSDLG_ENTRYFIRST+ypos;
660: strcpy(zipfilename, files[selection]->d_name);
661: File_ShrinkName(dlgfname, zipfilename, DLGFNAME_SIZE);
662: }
663:
664: }
665: else /* not browsingzip */
666: {
667: if (!strcat_maxlen(tempstr, FILENAME_MAX,
668: path, files[retbut-SGFSDLG_ENTRYFIRST+ypos]->d_name))
669: {
670: fprintf(stderr, "SDLGui_FileSelect: Path name too long!\n");
671: free(pStringMem);
672: return NULL;
673: }
674: if (File_DirExists(tempstr))
675: {
676: File_HandleDotDirs(tempstr);
677: File_AddSlashToEndFileName(tempstr);
678: /* Copy the path name to the dialog */
679: File_ShrinkName(dlgpath, tempstr, DLGPATH_SIZE);
680: strcpy(path, tempstr);
681: reloaddir = true;
682: dlgfname[0] = 0;
683: ypos = 0;
684: scrollbar_Ypos = 0.0;
685: }
686: else if (ZIP_FileNameIsZIP(tempstr) && zip_path != NULL)
687: {
688: /* open a zip file */
689: zipfiles = ZIP_GetFiles(tempstr);
690: if (zipfiles != NULL && browsingzip == false)
691: {
692: selection = retbut-SGFSDLG_ENTRYFIRST+ypos;
693: strcpy(fname, files[selection]->d_name);
694: File_ShrinkName(dlgfname, fname, DLGFNAME_SIZE);
695: browsingzip = true;
696: zipdir[0] = '\0'; /* zip root */
697: File_ShrinkName(dlgpath, zipdir, DLGPATH_SIZE);
698: reloaddir = true;
699: ypos = 0;
700: scrollbar_Ypos = 0.0;
701: }
702:
703: }
704: else
705: {
706: /* Select a file */
707: selection = retbut-SGFSDLG_ENTRYFIRST+ypos;
708: strcpy(fname, files[selection]->d_name);
709: File_ShrinkName(dlgfname, fname, DLGFNAME_SIZE);
710: }
711:
712: } /* not browsingzip */
713:
714: free(tempstr);
715: }
716: else /* Has the user clicked on another button? */
717: {
718: switch(retbut)
719: {
720: case SGFSDLG_UPDIR: /* Change path to parent directory */
721:
722: if (browsingzip)
723: {
724: /* close the zip file? */
725: if (!zipdir[0])
726: {
727: /* free zip file entries */
728: ZIP_FreeZipDir(zipfiles);
729: browsingzip = false;
730: zipfiles = NULL;
731: File_ShrinkName(dlgpath, path, DLGPATH_SIZE);
732: }
733: else
734: {
735: /* remove last dir from zipdir path */
736: File_PathShorten(zipdir, 1);
737: correct_zip_root(zipdir);
738: File_ShrinkName(dlgpath, zipdir, DLGPATH_SIZE);
739: zipfilename[0] = '\0';
740: }
741: } /* not a zip file: */
742: else
743: {
744: File_PathShorten(path, 1);
745: File_ShrinkName(dlgpath, path, DLGPATH_SIZE);
746: }
747: reloaddir = true;
748: break;
749:
750: case SGFSDLG_HOMEDIR: /* Change to home directory */
751: home = Paths_GetUserHome();
752: if (home == NULL || !*home)
753: break;
754: if (browsingzip)
755: {
756: /* free zip file entries */
757: ZIP_FreeZipDir(zipfiles);
758: zipfiles = NULL;
759: browsingzip = false;
760: }
761: strcpy(path, home);
762: File_AddSlashToEndFileName(path);
763: File_ShrinkName(dlgpath, path, DLGPATH_SIZE);
764: reloaddir = true;
765: break;
766:
767: case SGFSDLG_ROOTDIR: /* Change to root directory */
768: if (browsingzip)
769: {
770: /* free zip file entries */
771: ZIP_FreeZipDir(zipfiles);
772: zipfiles = NULL;
773: browsingzip = false;
774: }
775: path[0] = PATHSEP; path[1] = '\0';
776: strcpy(dlgpath, path);
777: reloaddir = true;
778: break;
779: case SGFSDLG_UP: /* Scroll up */
780: DlgFileSelect_ScrollUp();
781: SDL_Delay(10);
782: break;
783: case SGFSDLG_DOWN: /* Scroll down */
784: DlgFileSelect_ScrollDown();
785: SDL_Delay(10);
786: break;
787: case SGFSDLG_SCROLLBAR: /* Scrollbar selected */
788: DlgFileSelect_ManageScrollbar();
789: SDL_Delay(10);
790: break;
791: case SGFSDLG_FILENAME: /* User entered new filename */
792: strcpy(fname, dlgfname);
793: break;
794: case SGFSDLG_SHOWHIDDEN: /* Show/hide hidden files */
795: reloaddir = true;
796: ypos = 0;
797: scrollbar_Ypos = 0.0;
798: break;
799: case SDLGUI_UNKNOWNEVENT:
800: DlgFileSelect_HandleSdlEvents(&sdlEvent);
801: break;
802: } /* switch */
803:
804: if (reloaddir)
805: {
806: /* Remove old selection */
807: fname[0] = 0;
808: dlgfname[0] = 0;
809: ypos = 0;
810: scrollbar_Ypos = 0.0;
811: }
812: } /* other button code */
813:
814:
815: } /* do */
816: while (retbut!=SGFSDLG_OKAY && retbut!=SGFSDLG_CANCEL
817: && retbut!=SDLGUI_QUIT && retbut != SDLGUI_ERROR && !bQuitProgram);
818:
819: if (oldcursorstate == SDL_DISABLE)
820: SDL_ShowCursor(SDL_DISABLE);
821:
822: files_free(files);
823:
824: if (browsingzip)
825: {
826: /* free zip file entries */
827: ZIP_FreeZipDir(zipfiles);
828: zipfiles = NULL;
829: }
830:
831: if (retbut == SGFSDLG_OKAY)
832: {
833: if (zip_path)
834: *zip_path = zip_get_path(zipdir, zipfilename, browsingzip);
835: retpath = File_MakePath(path, fname, NULL);
836: }
837: else
838: retpath = NULL;
839: free(pStringMem);
840: return retpath;
841: }
842:
843:
844: /*-----------------------------------------------------------------------*/
845: /**
846: * Let user browse for a file, confname is used as default.
847: * If bAllowNew is true, user can select new files also.
848: *
849: * If no file is selected, or there's some problem with the file,
850: * return false and clear dlgname & confname.
851: * Otherwise return true, set dlgname & confname to the new file name
852: * (dlgname is shrinked & limited to maxlen and confname is assumed
853: * to have FILENAME_MAX amount of space).
854: */
855: bool SDLGui_FileConfSelect(char *dlgname, char *confname, int maxlen, bool bAllowNew)
856: {
857: char *selname;
858:
859: selname = SDLGui_FileSelect(confname, NULL, bAllowNew);
860: if (selname)
861: {
862: if (!File_DoesFileNameEndWithSlash(selname) &&
863: (bAllowNew || File_Exists(selname)))
864: {
865: strncpy(confname, selname, FILENAME_MAX);
866: confname[FILENAME_MAX-1] = '\0';
867: File_ShrinkName(dlgname, selname, maxlen);
868: }
869: else
870: {
871: dlgname[0] = confname[0] = 0;
872: }
873: free(selname);
874: return true;
875: }
876: return false;
877: }
878:
879:
880: /*-----------------------------------------------------------------------*/
881: /**
882: * Let user browse for a directory, confname is used as default.
883: *
884: * If no directory is selected, or there's some problem with it,
885: * return false and clear dlgname & confname.
886: * Otherwise return true, set dlgname & confname to the directory name
887: * (dlgname is shrinked & limited to maxlen and confname is assumed
888: * to have FILENAME_MAX amount of space).
889: */
890:
891: bool SDLGui_DirectorySelect(char *dlgname, char *confname, int maxlen)
892: {
893: char *selname;
894:
895: selname = SDLGui_FileSelect(confname, NULL, false);
896: if (selname)
897: {
898: File_MakeValidPathName(selname);
899:
900: if (File_DirExists(selname))
901: {
902: strncpy(confname, selname, FILENAME_MAX);
903: File_ShrinkName(dlgname, selname, maxlen);
904: }
905: else
906: {
907: dlgname[0] = confname[0] = 0;
908: }
909: free(selname);
910: return true;
911: }
912: return false;
913: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.