/* left icon click routine */
static int
fb_leftarrow_click(fbtk_widget_t *widget, fbtk_callback_info *cbi)
{
struct gui_window *gw = cbi->context;
struct browser_window *bw = gw->bw;
if (cbi->event->type != NSFB_EVENT_KEY_UP)
return 0;
if (history_back_available(bw->history))
history_back(bw, bw->history);
fb_update_back_forward(gw);
return 1;
}
static void mainloop(struct gopherus *g)
{
int exitflag;
int bufferlen;
for (;;) {
struct url *url = &(g->history->url); /* a shortcut */
if ((url->itemtype == GOPHER_ITEM_FILE) ||
(url->itemtype == GOPHER_ITEM_DIR) ||
(url->itemtype == GOPHER_ITEM_INDEX_SEARCH_SERVER) ||
(url->itemtype == GOPHER_ITEM_HTML)) { /* if it's a displayable item type... */
draw_urlbar(url, &g->cfg);
if (g->history->cache == NULL) { /* reload the resource if not in cache already */
bufferlen = loadfile_buff(url, g->buf, buffersize, g->statusbar, NULL, &g->cfg);
if (bufferlen < 0) {
history_back(&g->history);
continue;
} else {
history_cleanupcache(g->history);
g->history->cache = malloc(bufferlen);
if (g->history->cache == NULL) {
sprintf(g->statusbar, "Out of memory!");
exitflag = 1;
break;
}
if (bufferlen > 0) memcpy(g->history->cache, g->buf, bufferlen);
g->history->cachesize = bufferlen;
}
}
switch (url->itemtype) {
case GOPHER_ITEM_FILE: /* text file */
exitflag = display_text(g, TXT_FORMAT_RAW);
break;
case GOPHER_ITEM_HTML: /* html file */
exitflag = display_text(g, TXT_FORMAT_HTM);
break;
case GOPHER_ITEM_DIR: /* menu */
case GOPHER_ITEM_INDEX_SEARCH_SERVER: /* query result (also a menu) */
exitflag = display_menu(g);
break;
default:
set_statusbar(g->statusbar, "Fatal error: got an unhandled itemtype!");
exitflag = DISPLAY_ORDER_QUIT;
break;
}
if (exitflag == DISPLAY_ORDER_BACK) {
history_back(&(g->history));
} else if (exitflag == DISPLAY_ORDER_REFR) {
free(g->history->cache);
g->history->cache = NULL;
g->history->cachesize = 0;
g->history->displaymemory[0] = -1;
g->history->displaymemory[1] = -1;
} else if (exitflag == DISPLAY_ORDER_QUIT) {
break;
}
} else { /* the itemtype is not one of the internally displayable types -> ask to download it */
char filename[64] = {0};
static const char prompt[] = "Download as: ";
char *lastslash = strrchr(url->selector, '/');
set_statusbar(filename, ""); /* make sure to clear out the status bar */
draw_statusbar(filename, &g->cfg);
ui_cputs(prompt, 0x70, 0, ui_rows - 1);
if (lastslash)
strncpy(filename, lastslash + 1, sizeof filename - 1);
if (editstring(filename, 63, ui_cols - (sizeof prompt - 1), sizeof prompt - 1, ui_rows - 1, 0x70, NULL) != 0) {
loadfile_buff(url, g->buf, buffersize, g->statusbar, filename, &g->cfg);
}
history_back(&(g->history));
}
}
}
/* gsview menu commands */
int
gsview_command(int command)
{
switch (command) {
case IDM_NEXTHOME:
case IDM_NEXT:
case IDM_NEXTSKIP:
case IDM_REDISPLAY:
case IDM_PREVHOME:
case IDM_PREVSKIP:
case IDM_PREV:
case IDM_GOBACK:
case IDM_GOFWD:
case IDM_MAGPLUS:
case IDM_MAGMINUS:
case IDM_FITWIN:
case IDM_ZOOM:
case IDM_FULLSCREEN:
/* These don't close the full screen window */
break;
default:
gsview_fullscreen_end();
}
switch (command) {
case IDM_FULLSCREEN:
gsview_fullscreen();
return 0;
case IDM_OPEN:
if (pending.psfile) {
play_sound(SOUND_BUSY);
return 0;
}
gsview_display();
return 0;
case IDM_LASTFILE1:
case IDM_LASTFILE2:
case IDM_LASTFILE3:
case IDM_LASTFILE4:
if (pending.psfile) {
play_sound(SOUND_BUSY);
return 0;
}
make_cwd(last_files[command-IDM_LASTFILE1]);
gsview_displayfile(last_files[command-IDM_LASTFILE1]);
return 0;
case IDM_CLOSE:
/* doesn't unload DLL */
/* close file */
if (gsdll.open && (gsdll.state != GS_UNINIT)) {
PSFILE *tpsfile;
if (pending.psfile) {
play_sound(SOUND_BUSY);
return 0;
}
tpsfile = (PSFILE *)malloc(sizeof(PSFILE));
if (tpsfile == NULL)
return 0;
memset((char *)tpsfile, 0, sizeof(PSFILE));
pending.psfile = tpsfile;
pending.now = TRUE;
if (psfile.name[0] && psfile.dsc==(CDSC *)NULL)
pending.abort = TRUE;
}
else {
/* DLL isn't loaded */
if (psfile.file)
dfclose(); /* just to make sure */
psfile_free(&psfile);
post_img_message(WM_GSTITLE, 0);
info_wait(IDS_NOWAIT);
}
return 0;
case IDM_CLOSE_DONE:
if (selectname[0] != '\0') {
/* pending IDM_SELECT */
PSFILE *tpsfile;
tpsfile = gsview_openfile(selectname);
if (tpsfile) {
psfile = *tpsfile;
free(tpsfile);
}
selectname[0] = '\0';
post_img_message(WM_GSTITLE, 0);
info_wait(IDS_NOWAIT);
}
return 0;
case IDM_NEXTHOME:
#ifdef UNIX
set_scroll(-1, 0);
#else
#ifdef _Windows
PostMessage(hwnd_image ,WM_VSCROLL,SB_TOP,0L);
#else
WinPostMsg(hwnd_frame, WM_VSCROLL, MPFROMLONG(0), MPFROM2SHORT(0, SB_TOP));
#endif
#endif
/* fall thru */
case IDM_NEXT:
if (not_open())
return 0;
gs_page_skip(1);
return 0;
case IDM_NEXTSKIP:
if (not_dsc())
return 0;
if (order_is_special())
return 0;
gs_page_skip(page_skip);
return 0;
case IDM_REDISPLAY:
if (dfchanged()) {
PSFILE *tpsfile;
if (dfchanged() < 0) {
gs_addmess("File has been deleted\n");
gsview_command(IDM_CLOSE);
pending.unload = TRUE;
pending.now = FALSE;
return 0;
}
if (pending.psfile)
tpsfile = pending.psfile; /* new file, old file deleted */
else
tpsfile = gsview_openfile(psfile.name);
if (tpsfile) {
tpsfile->pagenum = psfile.pagenum;
request_mutex();
pending.psfile = tpsfile;
if ( gsdll.hmodule && (psfile.dsc==(CDSC *)NULL) &&
(gsdll.state != GS_IDLE) )
/* don't know where we are so close and reopen */
pending.abort = TRUE;
pending.now = TRUE;
release_mutex();
}
}
if (not_open())
return 0;
if (psfile.dsc==(CDSC *)NULL) {
/* don't know where we are so close and reopen */
if (gsdll.state != GS_IDLE) {
if (!pending.psfile) {
pending.psfile = (PSFILE *)malloc(sizeof(PSFILE));
if (pending.psfile)
*pending.psfile = psfile;
}
pending.psfile->pagenum = pending.pagenum = 1;
pending.abort = TRUE;
pending.now = TRUE;
}
}
else {
pending.pagenum = -1; /* default page number is current page */
if (psfile.dsc->page_order == CDSC_SPECIAL)
pending.pagenum = 1; /* restart */
}
gsview_unzoom();
pending.now = TRUE;
return 0;
case IDM_PREVHOME:
#ifdef UNIX
set_scroll(-1, 0);
#else
#ifdef _Windows
PostMessage(hwnd_image ,WM_VSCROLL,SB_TOP,0L);
#else
WinPostMsg(hwnd_frame, WM_VSCROLL, MPFROMLONG(0), MPFROM2SHORT(0, SB_TOP));
#endif
#endif
/* fall thru */
case IDM_PREV:
if (not_dsc())
return 0;
if (order_is_special())
return 0;
gs_page_skip(-1);
return 0;
case IDM_PREVSKIP:
if (not_dsc())
return 0;
if (order_is_special())
return 0;
gs_page_skip(-page_skip);
return 0;
case IDM_GOTO:
if (not_dsc())
return 0;
if (order_is_special())
return 0;
if (psfile.dsc->page_count == 0) {
gserror(IDS_NOPAGE, NULL, MB_ICONEXCLAMATION, SOUND_NONUMBER);
return 0;
}
nHelpTopic = IDS_TOPICGOTO;
{ int pagenum;
pagenum = psfile.pagenum;
if (get_page(&pagenum, FALSE, FALSE)) {
gsview_goto_page(pagenum);
}
}
return 0;
case IDM_GOBACK:
if (not_dsc())
return 0;
if (order_is_special())
return 0;
history_back();
return 0;
case IDM_GOFWD:
if (not_open())
return 0;
if (psfile.dsc == (CDSC *)NULL)
gsview_command(IDM_NEXT);
else
history_forward();
return 0;
case IDM_INFO:
show_info();
return 0;
case IDM_SELECT:
if (pending.psfile) {
play_sound(SOUND_BUSY);
return 0;
}
gsview_select();
return 0;
#ifndef VIEWONLY
case IDM_PRINT:
case IDM_PRINTTOFILE:
case IDM_CONVERTFILE:
if (psfile.name[0] == '\0')
gsview_select();
if (gsdll.state == GS_BUSY) {
play_sound(SOUND_BUSY);
return 0;
}
if (dfreopen() != 0)
return 0;
if (command == IDM_PRINTTOFILE)
option.print_to_file = TRUE;
if (psfile.name[0] != '\0')
gsview_print(command == IDM_CONVERTFILE);
dfclose();
return 0;
case IDM_SPOOL:
gsview_spool((char *)NULL, (char *)NULL);
return 0;
case IDM_SAVEAS:
if (gsdll.state == GS_BUSY) {
play_sound(SOUND_BUSY);
return 0;
}
if (psfile.name[0] == '\0')
gsview_select();
if (psfile.name[0] != '\0')
gsview_saveas();
return 0;
case IDM_EXTRACT:
if (gsdll.state == GS_BUSY) {
play_sound(SOUND_BUSY);
return 0;
}
if (psfile.name[0] == '\0')
gsview_select();
if (order_is_special())
return 0;
if (psfile.name[0] != '\0')
gsview_extract();
return 0;
case IDM_PSTOEDIT:
if (gsdll.state == GS_BUSY) {
play_sound(SOUND_BUSY);
return 0;
}
if (psfile.name[0] == '\0')
gsview_select();
(void)order_is_special(); /* warn, but allow it anyway */
if (dfreopen() != 0)
return 0;
if (psfile.name[0] != '\0')
gsview_pstoedit();
dfclose();
return 0;
case IDM_TEXTEXTRACT:
if (psfile.name[0] == '\0')
gsview_select();
if (psfile.name[0] != '\0')
gsview_text_extract();
return 0;
case IDM_TEXTEXTRACT_SLOW:
gsview_text_extract_slow();
return 0;
case IDM_TEXTFIND:
gsview_text_find();
return 0;
case IDM_TEXTFINDNEXT:
gsview_text_findnext();
return 0;
case IDM_COPYCLIP:
copy_clipboard();
return 0;
case IDM_PASTETO:
paste_to_file();
return 0;
case IDM_CONVERT:
clip_convert();
return 0;
case IDM_MEASURE:
if (gsdll.state == GS_BUSY) {
play_sound(SOUND_BUSY);
return 0;
}
measure_show();
return 0;
#endif /* !VIEWONLY */
case IDM_GSMESS:
gs_showmess(); /* show messages from Ghostscript */
return 0;
case IDM_EXIT:
if (print_count) {
/* Still busy printing. Warn user. */
TCHAR buf[MAXSTR];
load_string(IDS_BUSYPRINTING, buf,
sizeof(buf)/sizeof(TCHAR)-1);
if (message_box(buf, MB_OKCANCEL) != IDOK)
return 0;
}
post_img_message(WM_CLOSE, 0);
return 0;
case IDM_CFG: /* Easy configure */
config_wizard(TRUE);
return 0;
case IDM_GSCOMMAND: /* Advanced configure */
if (install_gsdll() && gsdll.open)
pending.unload = TRUE;
return 0;
case IDM_UNITPT:
case IDM_UNITMM:
case IDM_UNITINCH:
gsview_unit(command);
return 0;
case IDM_UNITFINE:
option.unitfine = !option.unitfine;
check_menu_item(IDM_UNITMENU, IDM_UNITFINE, option.unitfine);
return 0;
case IDM_LANGMENU+1:
case IDM_LANGMENU+2:
case IDM_LANGMENU+3:
case IDM_LANGMENU+4:
case IDM_LANGMENU+5:
case IDM_LANGMENU+6:
case IDM_LANGMENU+7:
case IDM_LANGMENU+8:
case IDM_LANGMENU+9:
case IDM_LANGMENU+10:
case IDM_LANGMENU+11:
case IDM_LANGMENU+12:
case IDM_LANGMENU+13:
case IDM_LANGMENU+14:
case IDM_LANGMENU+15:
case IDM_LANGMENU+16:
case IDM_LANGMENU+17:
case IDM_LANGMENU+18:
case IDM_LANGMENU+19:
gsview_language(command);
return 0;
case IDM_SAFER:
option.safer = !option.safer;
check_menu_item(IDM_OPTIONMENU, IDM_SAFER, option.safer);
return 0;
case IDM_SAVEDIR:
option.save_dir = !option.save_dir;
check_menu_item(IDM_OPTIONMENU, IDM_SAVEDIR, option.save_dir);
return 0;
case IDM_BUTTONSHOW:
option.button_show = !option.button_show;
check_menu_item(IDM_OPTIONMENU, IDM_BUTTONSHOW, option.button_show);
show_buttons();
return 0;
case IDM_FITPAGE:
option.fit_page = !option.fit_page;
check_menu_item(IDM_OPTIONMENU, IDM_FITPAGE, option.fit_page);
/* should cause WM_SIZE message to be sent */
return 0;
case IDM_PSTOTEXTDIS:
case IDM_PSTOTEXTNORM:
case IDM_PSTOTEXTCORK:
check_menu_item(IDM_PSTOTEXTMENU, option.pstotext + IDM_PSTOTEXTMENU + 1, FALSE);
option.pstotext = command - IDM_PSTOTEXTMENU - 1;
check_menu_item(IDM_PSTOTEXTMENU, option.pstotext + IDM_PSTOTEXTMENU + 1, TRUE);
return 0;
case IDM_AUTOREDISPLAY:
option.redisplay = !option.redisplay;
check_menu_item(IDM_OPTIONMENU, IDM_AUTOREDISPLAY, option.redisplay);
return 0;
case IDM_EPSFCLIP:
option.epsf_clip = !option.epsf_clip;
check_menu_item(IDM_OPTIONMENU, IDM_EPSFCLIP, option.epsf_clip);
gs_resize();
return 0;
case IDM_EPSFWARN:
option.epsf_warn = !option.epsf_warn;
check_menu_item(IDM_OPTIONMENU, IDM_EPSFWARN, option.epsf_warn);
return 0;
case IDM_IGNOREDSC:
option.ignore_dsc = !option.ignore_dsc;
check_menu_item(IDM_OPTIONMENU, IDM_IGNOREDSC, option.ignore_dsc);
if (psfile.name[0]) {
if (option.redisplay)
gsview_displayfile(psfile.name);
else
gsview_selectfile(psfile.name);
}
return 0;
case IDM_SHOWBBOX:
option.show_bbox = !option.show_bbox;
check_menu_item(IDM_OPTIONMENU, IDM_SHOWBBOX, option.show_bbox);
#ifdef UNIX
gtk_widget_draw(img, NULL);
#else
#ifdef _Windows
PostMessage(hwndimg, WM_GSSYNC, 0, 0L);
#else
if (!WinInvalidateRect(hwnd_bmp, (PRECTL)NULL, TRUE))
error_message("error invalidating rect");
if (!WinUpdateWindow(hwnd_bmp))
error_message("error updating window");
#endif
#endif
return 0;
#ifndef VIEWONLY
case IDM_PSTOEPS:
if (not_open())
return 0;
if (psfile.name[0] != '\0') {
if (dfreopen() != 0)
return 0;
ps_to_eps();
dfclose();
}
return 0;
case IDM_MAKEEPSI:
if ( (option.orientation == IDM_PORTRAIT) ||
(option.auto_orientation == TRUE) ) {
char epsname[MAXSTR];
epsname[0] = '\0';
if (dfreopen() != 0)
return 0;
if (!get_filename(epsname, TRUE, FILTER_EPS, 0,
IDS_TOPICPREVIEW)) {
dfclose();
return 0;
}
image_lock(view.img);
make_eps_interchange(FALSE, epsname);
image_unlock(view.img);
dfclose();
}
else
gserror(IDS_MUSTUSEPORTRAIT, 0, MB_ICONEXCLAMATION, 0);
return 0;
case IDM_MAKEEPST4:
case IDM_MAKEEPST6U:
case IDM_MAKEEPST6P:
if ( (option.orientation == IDM_PORTRAIT) ||
(option.auto_orientation == TRUE) ) {
char epsname[MAXSTR];
epsname[0] = '\0';
if (dfreopen() != 0)
return 0;
if (!get_filename(epsname, TRUE, FILTER_EPS, 0,
IDS_TOPICPREVIEW)) {
dfclose();
return 0;
}
image_lock(view.img);
make_eps_tiff(command, FALSE, epsname);
image_unlock(view.img);
dfclose();
}
else
gserror(IDS_MUSTUSEPORTRAIT, 0, MB_ICONEXCLAMATION, 0);
return 0;
case IDM_MAKEEPSW:
if ( (option.orientation == IDM_PORTRAIT) ||
(option.auto_orientation == TRUE) ) {
char epsname[MAXSTR];
epsname[0] = '\0';
if (dfreopen() != 0)
return 0;
if (!get_filename(epsname, TRUE, FILTER_EPS, 0,
IDS_TOPICPREVIEW)) {
dfclose();
return 0;
}
image_lock(view.img);
make_eps_metafile(FALSE, epsname);
image_unlock(view.img);
dfclose();
}
else
gserror(IDS_MUSTUSEPORTRAIT, 0, MB_ICONEXCLAMATION, 0);
return 0;
case IDM_MAKEEPSU:
if (dfreopen() != 0)
return 0;
make_eps_user();
dfclose();
return 0;
case IDM_EXTRACTPS:
case IDM_EXTRACTPRE:
if (dfreopen() != 0)
return 0;
extract_doseps(command);
dfclose();
return 0;
#endif
case IDM_SETTINGS:
write_profile();
return 0;
case IDM_SAVESETTINGS:
option.settings = !option.settings;
check_menu_item(IDM_OPTIONMENU, IDM_SAVESETTINGS, option.settings);
{ char buf[MAXSTR];
PROFILE *prf = profile_open(szIniFile);
sprintf(buf, "%d", (int)option.settings);
profile_write_string(prf, INISECTION, "SaveSettings", buf);
profile_close(prf);
}
return 0;
case IDM_SOUNDS:
change_sounds();
return 0;
case IDM_AUTOORIENT:
case IDM_PORTRAIT:
case IDM_LANDSCAPE:
case IDM_UPSIDEDOWN:
case IDM_SEASCAPE:
case IDM_SWAPLANDSCAPE:
gsview_orientation(command);
return 0;
case IDM_DSC_OFF:
case IDM_DSC_ERROR:
case IDM_DSC_WARN:
case IDM_DSC_INFO:
check_menu_item(IDM_DSCMENU, option.dsc_warn, FALSE);
option.dsc_warn = command;
check_menu_item(IDM_DSCMENU, option.dsc_warn, TRUE);
return 0;
case IDM_ZOOM: /* called indirectly from Right Mouse Button */
if (not_dsc()) {
zoom = FALSE;
return 0;
}
if (order_is_special()) {
zoom = FALSE;
return 0;
}
if (! ((gsdll.state == GS_PAGE) || (gsdll.state == GS_IDLE)) ) {
zoom = FALSE;
gserror(IDS_NOZOOM, NULL, MB_ICONEXCLAMATION, SOUND_ERROR);
return 0;
}
gs_resize();
pending.pagenum = -1; /* default page number is current page */
pending.now = TRUE;
return 0;
case IDM_MAGPLUS:
gs_magnify((float)1.2);
return 0;
case IDM_MAGMINUS:
gs_magnify((float)0.8333);
return 0;
case IDM_FITWIN:
/* fit media to size of current window */
gsview_fitwin();
return 0;
case IDM_DISPLAYSETTINGS:
display_settings();
return 0;
case IDM_MEDIAROTATE:
option.media_rotate = !option.media_rotate;
check_menu_item(IDM_MEDIAMENU, IDM_MEDIAROTATE,
option.media_rotate);
zoom = FALSE;
gs_resize();
return 0;
case IDM_11x17:
case IDM_A3:
case IDM_A4:
case IDM_A5:
case IDM_B4:
case IDM_B5:
case IDM_LEDGER:
case IDM_LEGAL:
case IDM_LETTER:
case IDM_NOTE:
case IDM_USERSIZE:
case IDM_USERSIZE1:
case IDM_USERSIZE2:
case IDM_USERSIZE3:
case IDM_USERSIZE4:
case IDM_USERSIZE5:
case IDM_USERSIZE6:
case IDM_USERSIZE7:
case IDM_USERSIZE8:
case IDM_USERSIZE9:
case IDM_USERSIZE10:
case IDM_USERSIZE11:
case IDM_USERSIZE12:
case IDM_USERSIZE13:
if (command == IDM_USERSIZE)
if (!gsview_usersize())
return 0;
gsview_media(command);
return 0;
case IDM_HELPCONTENT:
#ifdef UNIX
nHelpTopic = IDS_TOPICROOT;
get_help();
#else
#ifdef _Windows
#ifdef USE_HTMLHELP
nHelpTopic = IDS_TOPICROOT;
get_help();
#else
WinHelp(hwndimg,szHelpName,HELP_CONTENTS,(DWORD)NULL);
#endif
#else
WinSendMsg(hwnd_help, HM_HELP_CONTENTS, 0L, 0L);
#endif
#endif
return 0;
case IDM_HELPSEARCH:
#ifdef UNIX
gs_addmess("IDM_HELPSEARCH: not implemented\n");
#else
#ifdef _Windows
#ifdef USE_HTMLHELP
HtmlHelp(hwndimg,szHelpName,HH_DISPLAY_INDEX, (DWORD)TEXT(""));
gs_addmessf("HtmlHelp: %s HH_DISPLAY_INDEX\n", szHelpName);
#else
WinHelp(hwndimg,szHelpName,HELP_PARTIALKEY,(DWORD)"");
#endif
#else
WinSendMsg(hwnd_help, HM_HELP_INDEX, 0L, 0L);
#endif
#endif
return 0;
case IDM_HELPKEYS:
nHelpTopic = IDS_TOPICKEYS;
get_help();
return 0;
case IDM_ABOUT:
show_about();
return 0;
case IDM_REGISTER:
registration_nag();
return 0;
}
return 0;
}
