src/usejournal.c

   1 /* logjam - a GTK client for LiveJournal.
   2  * Copyright (C) 2000-2004 Evan Martin <evan@livejournal.com>
   3  */
   4 #include "gtk-all.h"
   5
   6 #include <stdint.h>
   7 #include <string.h>
   8
   9 #include "jamdoc.h"
  10 #include "usejournal.h"
  11
  12
  13 /* "having a shared prefix" is a pretty vague concept.
  14  * we try a few heuristics. */
  15 static int sharedprefix (const char *a, const char *b) {
  16   const int minmatch = 4;
  17   const char *ulpos;
  18   int i = 0;
  19   /* does this journal have an underscore? go from there. */
  20   ulpos = strchr(b, '_');
  21   if (ulpos) {
  22     if (strncmp(a, b, ulpos - b) == 0) return (intptr_t)(ulpos-b);
  23   }
  24   /* or if the shared prefix is at least minmatch chars... */
  25   while (*a++ == *b++) ++i;
  26   return (i > minmatch ? i : 0);
  27 }
  28
  29
  30 static void activate_cb (GtkWidget *w, JamDoc *doc) {
  31   const gchar *user;
  32   JamAccount *acc = jam_doc_get_account(doc);
  33   if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(w))) return;
  34   user = gtk_label_get_text(GTK_LABEL(GTK_BIN(w)->child));
  35   if (g_ascii_strcasecmp(user, jam_account_get_username(acc)) == 0) user = NULL; /* post as normal user. */
  36   jam_doc_set_usejournal(doc, user);
  37 }
  38
  39
  40 GtkWidget *usejournal_build_menu (const char *defaultjournal, const char *currentjournal, GSList *journals, gpointer doc) {
  41   GtkWidget *menu, *curmenu, *item, *label;
  42   GSList *group = NULL;
  43   GSList *l;
  44   char *journal;
  45   char *curmenuprefix = NULL;
  46   char prefix[30];
  47
  48   curmenu = menu = gtk_menu_new();
  49
  50   item = gtk_radio_menu_item_new_with_label(group, defaultjournal);
  51   group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(item));
  52   g_signal_connect(G_OBJECT(item), "activate", G_CALLBACK(activate_cb), doc);
  53
  54   if (currentjournal == NULL) gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(item), TRUE);
  55
  56   gtk_widget_show(item);
  57   gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
  58
  59   for (l = journals; l != NULL; l = l->next) {
  60     journal = (char *)l->data;
  61     if (curmenuprefix) {
  62       /* try to match this item to the prefix. */
  63       if (sharedprefix(curmenuprefix, journal)) {
  64         /* match. */
  65       } else {
  66         curmenu = menu;
  67         curmenuprefix = NULL;
  68       }
  69     }
  70     if (!curmenuprefix && l->next) {
  71       /* try to see if this begins a new prefix. */
  72       char *nextjournal = (char *)l->next->data;
  73       int ofs;
  74       ofs = sharedprefix(journal, nextjournal);
  75       if (ofs) {
  76         /* make a new submenu for these shared-prefix journals. */
  77         memcpy(prefix, journal, ofs);
  78         prefix[ofs] = 0;
  79         item = gtk_menu_item_new();
  80         label = gtk_label_new(NULL);
  81         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
  82         gtk_label_set_markup(GTK_LABEL(label), prefix);
  83         gtk_container_add(GTK_CONTAINER(item), label);
  84         gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
  85         curmenu = gtk_menu_new();
  86         curmenuprefix = prefix;
  87         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), curmenu);
  88         gtk_widget_show_all(item);
  89       }
  90     }
  91     item = gtk_radio_menu_item_new_with_label(group, journal);
  92     if (currentjournal && strcmp(currentjournal, journal) == 0) gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(item), TRUE);
  93     g_signal_connect(G_OBJECT(item), "activate", G_CALLBACK(activate_cb), doc);
  94     gtk_widget_show(item);
  95     gtk_menu_shell_append(GTK_MENU_SHELL(curmenu), item);
  96     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(item));
  97   }
  98
  99   return menu;
 100 }