src/link.c

   1 /* logjam - a GTK client for LiveJournal.
   2  * Copyright (C) 2000-2003 Evan Martin <evan@livejournal.com>
   3  *
   4  * vim: tabstop=4 shiftwidth=4 noexpandtab :
   5  */
   6
   7 #include "gtk-all.h"
   8 #include <gdk/gdkkeysyms.h>
   9 #include <gdk/gdktypes.h>
  10 #include <stdio.h>
  11 #include "util-gtk.h"
  12 #include "conf.h"
  13 #include "jamdoc.h"
  14 #include "util.h"
  15
  16 typedef struct {
  17   GtkWidget *dlg;
  18   GtkWidget *etext, *ruser, *euser, *rurl, *eurl;
  19   JamDoc *doc;
  20   gint sel_type, clip_type;
  21   gchar *sel_input, *clip_input;
  22 } LinkDialog;
  23
  24 static void
  25 select_toggled(GtkToggleButton *tb, GtkWidget *focus) {
  26   if (gtk_toggle_button_get_active(tb))
  27     gtk_widget_grab_focus(focus);
  28 }
  29
  30 static void
  31 entry_focus_cb(GtkWidget *w, GdkEventFocus *e, GtkToggleButton *radio) {
  32   gtk_toggle_button_set_active(radio, TRUE);
  33 }
  34
  35 static GtkWidget*
  36 radio_option(GSList *g, GtkWidget **radio, GtkWidget **entry,
  37     const char *caption, const char *label, const char *initial) {
  38   GtkWidget *vbox;
  39
  40   vbox = gtk_vbox_new(FALSE, 0);
  41   *radio = gtk_radio_button_new_with_mnemonic(g, caption);
  42   gtk_box_pack_start(GTK_BOX(vbox), *radio, FALSE, FALSE, 0);
  43
  44   *entry = gtk_entry_new();
  45   gtk_entry_set_activates_default(GTK_ENTRY(*entry), TRUE);
  46   g_signal_connect(G_OBJECT(*entry), "focus-in-event",
  47       G_CALLBACK(entry_focus_cb), *radio);
  48   if (initial)
  49     gtk_entry_set_text(GTK_ENTRY(*entry), initial);
  50   gtk_widget_set_size_request(*entry, 75, -1);
  51   g_signal_connect(G_OBJECT(*radio), "toggled",
  52       G_CALLBACK(select_toggled), *entry);
  53   g_signal_connect(G_OBJECT(*radio), "activate",
  54       G_CALLBACK(select_toggled), *entry);
  55
  56   if (label) {
  57     GtkWidget *hbox = gtk_hbox_new(FALSE, 0);
  58     gtk_box_pack_start(GTK_BOX(hbox),
  59         gtk_label_new(label),
  60         FALSE, FALSE, 0);
  61     gtk_box_pack_start(GTK_BOX(hbox), *entry, TRUE, TRUE, 0);
  62     gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
  63   } else {
  64     gtk_box_pack_start(GTK_BOX(vbox), *entry, TRUE, TRUE, 0);
  65   }
  66
  67   return vbox;
  68 }
  69
  70 #if !GLIB_CHECK_VERSION(2,2,0)
  71 static gboolean
  72 g_str_has_prefix(const gchar *str, const gchar *prefix) {
  73   return (strncmp(str, prefix, strlen(prefix)) == 0);
  74 }
  75 #endif
  76
  77 #if 0
  78 gchar*
  79 link_magic(LinkRequest *lr) {
  80   gchar *a, *b;
  81   if (! ((lr->clip_type | lr->sel_type) & JAM_SELECTION_HAS_URL))
  82     return NULL;
  83
  84   xml_escape(&lr->clip_input);
  85
  86   /* boo for no list primitives in c */
  87   if (lr->clip_type & JAM_SELECTION_HAS_URL) {
  88     a = lr->clip_input; b = lr->sel_input;
  89   } else {
  90     b = lr->clip_input; a = lr->sel_input;
  91   }
  92
  93   return g_strdup_printf("<a href=\"%s\">%s</a>", a, b);
  94 }
  95 #endif
  96
  97 static void
  98 make_link_dialog(LinkDialog *ld, GtkWindow *win, gboolean livejournal) {
  99   GtkWidget *vbox;
 100   GtkWidget *subbox;
 101   GSList *rgroup;
 102
 103   ld->dlg = gtk_dialog_new_with_buttons(_("Make Link"),
 104       win, GTK_DIALOG_MODAL,
 105       GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 106       GTK_STOCK_OK, GTK_RESPONSE_OK,
 107       NULL);
 108   gtk_dialog_set_default_response(GTK_DIALOG(ld->dlg), GTK_RESPONSE_OK);
 109
 110   vbox = gtk_vbox_new(FALSE, 10);
 111
 112   ld->etext = gtk_entry_new();
 113   gtk_entry_set_activates_default(GTK_ENTRY(ld->etext), TRUE);
 114   subbox = labelled_box_new(_("Link _Text:"), ld->etext);
 115   gtk_box_pack_start(GTK_BOX(vbox), subbox, FALSE, FALSE, 0);
 116
 117   gtk_box_pack_start(GTK_BOX(vbox),
 118       radio_option(NULL, &ld->rurl, &ld->eurl, _("_URL:"), NULL, ""),
 119       FALSE, FALSE, 0);
 120
 121   rgroup = gtk_radio_button_get_group(GTK_RADIO_BUTTON(ld->rurl));
 122
 123   if (livejournal) {
 124     gtk_box_pack_start(GTK_BOX(vbox),
 125         radio_option(rgroup, &ld->ruser, &ld->euser,
 126           _("_LiveJournal User:"), ".../users/", ""),
 127         FALSE, FALSE, 0);
 128   }
 129
 130   jam_dialog_set_contents(GTK_DIALOG(ld->dlg), vbox);
 131 }
 132
 133 static gboolean
 134 has_url(char *buf) {
 135   if (!buf || buf[0] == 0) return FALSE;
 136   /* just test a few of the obvious ones... */
 137   if (g_str_has_prefix(buf, "http://") ||
 138       g_str_has_prefix(buf, "ftp://") ||
 139       g_str_has_suffix(buf, ".com") ||
 140       g_str_has_suffix(buf, ".net") ||
 141       g_str_has_suffix(buf, ".org"))
 142     return TRUE;
 143   return FALSE;
 144 }
 145
 146 static void
 147 prepopulate_fields(LinkDialog *ld, char *bufsel) {
 148   GtkClipboard *clipboard;
 149   char *clipsel, *url = NULL;
 150
 151   clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
 152   clipsel = gtk_clipboard_wait_for_text(clipboard);
 153
 154   if (bufsel && has_url(bufsel)) {
 155     url = bufsel;
 156   } else if (clipsel && has_url(clipsel)) {
 157     url = clipsel;
 158   }
 159
 160   if (bufsel)
 161     gtk_entry_set_text(GTK_ENTRY(ld->etext), bufsel);
 162   if (url) {
 163     char *niceurl;
 164     if (g_str_has_prefix(url, "http://") ||
 165         g_str_has_prefix(url, "ftp://")) {
 166       niceurl = url;
 167     } else {
 168       niceurl = g_strdup_printf("http://%s", url);
 169     }
 170     gtk_entry_set_text(GTK_ENTRY(ld->eurl), niceurl);
 171     if (niceurl != url)
 172       g_free(niceurl);
 173   }
 174
 175   g_free(clipsel);
 176 }
 177
 178 static char*
 179 get_link(LinkDialog *ld, JamAccount *acc) {
 180   char *url, *user, *text;
 181   char *link = NULL;
 182
 183   url  = gtk_editable_get_chars(GTK_EDITABLE(ld->eurl),  0, -1);
 184   xml_escape(&url);
 185   user = gtk_editable_get_chars(GTK_EDITABLE(ld->euser), 0, -1);
 186   xml_escape(&user);
 187   text = gtk_editable_get_chars(GTK_EDITABLE(ld->etext), 0, -1);
 188   xml_escape(&text);
 189
 190   if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ld->rurl))) {
 191     /* build a "url" link. */
 192     link = g_strdup_printf("<noindex><a href=\"%s\" rel=\"nofollow\" rel=\"noreferrer\" style=\"text-decoration:overline\">%s</a></noindex>", url, text);
 193   } else if (ld->ruser && gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ld->ruser))) {
 194     /* build a "friends" link. */
 195     LJServer *server = jam_account_lj_get_server(JAM_ACCOUNT_LJ(acc));
 196     g_free(url);
 197     url = g_strdup(server->url);
 198     xml_escape(&url);
 199     link = g_strdup_printf("<noindex><a href=\"%s/users/%s\" rel=\"nofollow\" rel=\"noreferrer\" style=\"text-decoration:overline\">%s</a></noindex>",
 200         url, user, text);
 201   }
 202   g_free(url);
 203   g_free(user);
 204   g_free(text);
 205
 206   return link;
 207 }
 208
 209 void
 210 link_dialog_run(GtkWindow *win, JamDoc *doc) {
 211   STACK(LinkDialog, ld);
 212   GtkTextBuffer *buffer;
 213   GtkTextIter start, end;
 214   char *sel = NULL;
 215   char *link;
 216
 217   JamAccount *acc = jam_doc_get_account(doc);
 218   make_link_dialog(ld, win, JAM_ACCOUNT_IS_LJ(acc));
 219
 220   buffer = jam_doc_get_text_buffer(doc);
 221   if (gtk_text_buffer_get_selection_bounds(buffer, &start, &end))
 222     sel = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
 223   prepopulate_fields(ld, sel);
 224   g_free(sel);
 225
 226   if (gtk_dialog_run(GTK_DIALOG(ld->dlg)) != GTK_RESPONSE_OK) {
 227     gtk_widget_destroy(ld->dlg);
 228     return;
 229   }
 230
 231   link = get_link(ld, acc);
 232
 233   gtk_widget_destroy(ld->dlg);
 234
 235   if (link) {
 236     gtk_text_buffer_begin_user_action(buffer);
 237     gtk_text_buffer_delete(buffer, &start, &end);
 238     gtk_text_buffer_insert(buffer, &start, link, -1);
 239     gtk_text_buffer_end_user_action(buffer);
 240     g_free(link);
 241   }
 242 }