src/html_markup.c

   1 /* logjam - a GTK client for LiveJournal.
   2  * Copyright (C) 2005 Evan Martin <evan@livejournal.com>
   3  *
   4  * vim: tabstop=4 shiftwidth=4 noexpandtab :
   5  */
   6
   7 #include "gtk-all.h"
   8
   9 #include <string.h>
  10 #include "html_markup.h"
  11
  12
  13 void
  14 html_mark_tag(JamDoc *doc, const char* tag, ...) {
  15   GtkTextBuffer *buffer;
  16   GtkTextIter start, end;
  17   GtkTextMark *ins;
  18   char * startTag, * endTag;
  19   int tagLen;
  20   va_list ap;
  21
  22   if (!strcmp(tag, "span")) {
  23       va_start(ap, tag);
  24       startTag = g_strdup_printf("<%s %s>", tag, va_arg(ap, const char *));
  25       va_end(ap);
  26   } else {
  27       startTag = g_strdup_printf("<%s>", tag);
  28   }
  29   endTag   = g_strdup_printf("</%s>", tag);
  30   tagLen = (int)strlen(endTag);
  31
  32   buffer = jam_doc_get_text_buffer(doc);
  33
  34   gtk_text_buffer_begin_user_action(buffer); /* start undo action */
  35
  36   if (!gtk_text_buffer_get_selection_bounds(buffer, &start, &end)) {
  37     gtk_text_buffer_insert_at_cursor(buffer, startTag, -1);
  38     gtk_text_buffer_insert_at_cursor(buffer, endTag, -1);
  39
  40     ins = gtk_text_buffer_get_mark(buffer, "insert");
  41     gtk_text_buffer_get_iter_at_mark(buffer, &start, ins);
  42     gtk_text_iter_backward_chars(&start, tagLen);
  43     gtk_text_buffer_move_mark_by_name(buffer, "insert", &start);
  44     gtk_text_buffer_move_mark_by_name(buffer, "selection_bound", &start);
  45   } else {
  46     gtk_text_buffer_insert(buffer, &start, startTag, -1);
  47     gtk_text_buffer_get_selection_bounds(buffer, &start, &end);
  48     gtk_text_buffer_insert(buffer, &end, endTag, -1);
  49     gtk_text_buffer_move_mark_by_name(buffer, "insert", &end);
  50     gtk_text_buffer_move_mark_by_name(buffer, "selection_bound", &end);
  51   }
  52
  53   g_free(startTag);
  54   g_free(endTag);
  55   gtk_text_buffer_end_user_action(buffer);
  56 }
  57
  58
  59 void
  60 html_mark_bold(JamDoc *doc) {
  61   html_mark_tag(doc, "b");
  62 }
  63
  64 void
  65 html_mark_italic(JamDoc *doc) {
  66   html_mark_tag(doc, "i");
  67 }
  68
  69 void
  70 html_mark_underline(JamDoc *doc) {
  71   html_mark_tag(doc, "u");
  72 }
  73
  74 void
  75 html_mark_strikeout(JamDoc *doc) {
  76   html_mark_tag(doc, "s");
  77 }
  78
  79 void
  80 html_mark_monospaced(JamDoc *doc) {
  81   html_mark_tag(doc, "tt");
  82 }
  83
  84 void
  85 html_mark_para(JamDoc *doc) {
  86   html_mark_tag(doc, "p");
  87 }
  88
  89 void
  90 html_mark_smallcaps(JamDoc *doc) {
  91   html_mark_tag(doc, "span", "style=\"font-variant: small-caps\"");
  92 }
  93
  94 void
  95 html_mark_blockquote(JamDoc *doc) {
  96   html_mark_tag(doc, "blockquote");
  97 }
  98
  99 void
 100 html_mark_small(JamDoc *doc) {
 101   html_mark_tag(doc, "small");
 102 }
 103
 104 void
 105 html_mark_big(JamDoc *doc) {
 106   html_mark_tag(doc, "big");
 107 }
 108
 109 void
 110 html_mark_superscript(JamDoc *doc) {
 111   html_mark_tag(doc, "small");
 112   html_mark_tag(doc, "sup");
 113 }
 114
 115 void
 116 html_mark_subscript(JamDoc *doc) {
 117   html_mark_tag(doc, "small");
 118   html_mark_tag(doc, "sub");
 119 }
 120
 121 void
 122 html_mark_ulist(JamDoc *doc) {
 123   html_mark_tag(doc, "ul");
 124 }
 125
 126 void
 127 html_mark_olist(JamDoc *doc) {
 128   html_mark_tag(doc, "ol");
 129 }
 130
 131 void
 132 html_mark_listitem(JamDoc *doc) {
 133   html_mark_tag(doc, "li");
 134 }
 135
 136 void
 137 html_mark_h2(JamDoc *doc) {
 138   html_mark_tag(doc, "h2");
 139 }
 140
 141 void
 142 html_mark_h3(JamDoc *doc) {
 143   html_mark_tag(doc, "h3");
 144 }
 145
 146 void
 147 html_mark_h4(JamDoc *doc) {
 148   html_mark_tag(doc, "h4");
 149 }