src/usejournal.c

   1 /* logjam - a GTK client for LiveJournal.
   2  * Copyright (C) 2000-2004 Evan Martin <evan@livejournal.com>
   3  *
   4  * vim: tabstop=4 shiftwidth=4 noexpandtab :
   5  */
   6
   7 #include "gtk-all.h"
   8 #include <string.h>
   9
  10 #include "jamdoc.h"
  11 #include "usejournal.h"
  12
  13 /* "having a shared prefix" is a pretty vague concept.
  14  * we try a few heuristics. */
  15 static int
  16 sharedprefix(char *a, char *b) {
  17   const int minmatch = 4;
  18   int i = 0;
  19   char *ulpos;
  20
  21   /* does this journal have an underscore? go from there. */
  22   ulpos = strchr(b, '_');
  23   if (ulpos) {
  24     if (strncmp(a, b, ulpos-b) == 0)
  25       return (int)(ulpos - b);
  26   }
  27
  28   /* or if the shared prefix is at least minmatch chars... */
  29   while (*a++ == *b++)
  30     i++;
  31   return (i > minmatch) ? i : 0;
  32 }
  33
  34 static void
  35 activate_cb(GtkWidget *w, JamDoc *doc) {
  36   const gchar *user;
  37   JamAccount *acc = jam_doc_get_account(doc);
  38
  39   if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(w)))
  40     return;
  41
  42   user = gtk_label_get_text(GTK_LABEL(GTK_BIN(w)->child));
  43
  44   if (g_ascii_strcasecmp(user, jam_account_get_username(acc)) == 0)
  45     user = NULL; /* post as normal user. */
  46
  47   jam_doc_set_usejournal(doc, user);
  48 }
  49
  50
  51 GtkWidget*
  52 usejournal_build_menu(const char *defaultjournal, const char *currentjournal,
  53     GSList *journals, gpointer doc) {
  54   GtkWidget *menu, *curmenu, *item, *label;
  55   GSList *group = NULL;
  56   GSList *l;
  57   char *journal;
  58   char *curmenuprefix = NULL;
  59   char prefix[30];
  60
  61   curmenu = menu = gtk_menu_new();
  62
  63   item = gtk_radio_menu_item_new_with_label(group, defaultjournal);
  64   group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(item));
  65   g_signal_connect(G_OBJECT(item), "activate",
  66       G_CALLBACK(activate_cb), doc);
  67
  68   if (currentjournal == NULL)
  69     gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(item), TRUE);
  70
  71   gtk_widget_show(item);
  72   gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
  73
  74   for (l = journals; l != NULL; l = l->next) {
  75     journal = (char*)l->data;
  76
  77     if (curmenuprefix) {
  78       /* try to match this item to the prefix. */
  79       if (sharedprefix(curmenuprefix, journal)) {
  80         /* match. */
  81       } else {
  82         curmenu = menu;
  83         curmenuprefix = NULL;
  84       }
  85     }
  86     if (!curmenuprefix && l->next) {
  87       /* try to see if this begins a new prefix. */
  88       char *nextjournal = (char*)l->next->data;
  89       int ofs;
  90       ofs = sharedprefix(journal, nextjournal);
  91       if (ofs) {
  92         /* make a new submenu for these shared-prefix journals. */
  93         memcpy(prefix, journal, ofs);
  94         prefix[ofs] = 0;
  95
  96         item = gtk_menu_item_new();
  97         label = gtk_label_new(NULL);
  98         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
  99         gtk_label_set_markup(GTK_LABEL(label), prefix);
 100         gtk_container_add(GTK_CONTAINER(item), label);
 101         gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
 102         curmenu = gtk_menu_new();
 103         curmenuprefix = prefix;
 104         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), curmenu);
 105         gtk_widget_show_all(item);
 106       }
 107     }
 108     item = gtk_radio_menu_item_new_with_label(group, journal);
 109     if (currentjournal && strcmp(currentjournal, journal) == 0)
 110       gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(item), TRUE);
 111     g_signal_connect(G_OBJECT(item), "activate",
 112         G_CALLBACK(activate_cb), doc);
 113     gtk_widget_show(item);
 114     gtk_menu_shell_append(GTK_MENU_SHELL(curmenu), item);
 115
 116     group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(item));
 117   }
 118
 119   return menu;
 120 }