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Implementation of the meta-[cult] (capitalize words, upcase word, downcase word, transpose words) key-bindings from the TODO by Peder Stray

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git-svn-id: http://svn.irssi.org/repos/irssi/trunk@3963 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Valentin Batz 2005-08-27 22:06:34 +00:00 • committed by vb
commit 2998ce6daa
5 changed files with 154 additions and 2 deletions
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117
src/fe-text/gui-entry.c
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@ -576,6 +576,123 @@ void gui_entry_transpose_chars(GUI_ENTRY_REC *entry)
gui_entry_draw(entry);
}
void gui_entry_transpose_words(GUI_ENTRY_REC *entry)
{
int spos1, epos1, spos2, epos2;
/* find last position */
epos2 = entry->pos;
while (epos2 < entry->text_len && !i_isalnum(entry->text[epos2]))
epos2++;
while (epos2 < entry->text_len && i_isalnum(entry->text[epos2]))
epos2++;
/* find other position */
spos2 = epos2;
while (spos2 > 0 && !i_isalnum(entry->text[spos2-1]))
spos2--;
while (spos2 > 0 && i_isalnum(entry->text[spos2-1]))
spos2--;
epos1 = spos2;
while (epos1 > 0 && !i_isalnum(entry->text[epos1-1]))
epos1--;
spos1 = epos1;
while (spos1 > 0 && i_isalnum(entry->text[spos1-1]))
spos1--;
/* do wordswap if any found */
if (spos1 < epos1 && epos1 < spos2 && spos2 < epos2) {
unichar *first, *sep, *second;
int i;
first = (unichar *) g_malloc( (epos1 - spos1) * sizeof(unichar) );
sep = (unichar *) g_malloc( (spos2 - epos1) * sizeof(unichar) );
second = (unichar *) g_malloc( (epos2 - spos2) * sizeof(unichar) );
for (i = spos1; i < epos1; i++)
first[i-spos1] = entry->text[i];
for (i = epos1; i < spos2; i++)
sep[i-epos1] = entry->text[i];
for (i = spos2; i < epos2; i++)
second[i-spos2] = entry->text[i];
entry->pos = spos1;
for (i = 0; i < epos2-spos2; i++)
entry->text[entry->pos++] = second[i];
for (i = 0; i < spos2-epos1; i++)
entry->text[entry->pos++] = sep[i];
for (i = 0; i < epos1-spos1; i++)
entry->text[entry->pos++] = first[i];
g_free(first);
g_free(sep);
g_free(second);
}
gui_entry_redraw_from(entry, spos1);
gui_entry_fix_cursor(entry);
gui_entry_draw(entry);
}
void gui_entry_capitalize_word(GUI_ENTRY_REC *entry)
{
int pos = entry->pos;
while (pos < entry->text_len && !g_unichar_isalnum(entry->text[pos]))
pos++;
if (pos < entry->text_len) {
entry->text[pos] = g_unichar_toupper(entry->text[pos]);
pos++;
}
while (pos < entry->text_len && g_unichar_isalnum(entry->text[pos])) {
entry->text[pos] = g_unichar_tolower(entry->text[pos]);
pos++;
}
gui_entry_redraw_from(entry, entry->pos);
entry->pos = pos;
gui_entry_fix_cursor(entry);
gui_entry_draw(entry);
}
void gui_entry_downcase_word(GUI_ENTRY_REC *entry)
{
int pos = entry->pos;
while (pos < entry->text_len && !g_unichar_isalnum(entry->text[pos]))
pos++;
while (pos < entry->text_len && g_unichar_isalnum(entry->text[pos])) {
entry->text[pos] = g_unichar_tolower(entry->text[pos]);
pos++;
}
gui_entry_redraw_from(entry, entry->pos);
entry->pos = pos;
gui_entry_fix_cursor(entry);
gui_entry_draw(entry);
}
void gui_entry_upcase_word(GUI_ENTRY_REC *entry)
{
int pos = entry->pos;
while (pos < entry->text_len && !g_unichar_isalnum(entry->text[pos]))
pos++;
while (pos < entry->text_len && g_unichar_isalnum(entry->text[pos])) {
entry->text[pos] = g_unichar_toupper(entry->text[pos]);
pos++;
}
gui_entry_redraw_from(entry, entry->pos);
entry->pos = pos;
gui_entry_fix_cursor(entry);
gui_entry_draw(entry);
}
int gui_entry_get_pos(GUI_ENTRY_REC *entry)
{
g_return_val_if_fail(entry != NULL, 0);