void gui_entry_erase(GUI_ENTRY_REC *entry, int size, int update_cutbuffer)
{
g_return_if_fail(entry != NULL);
if (entry->pos < size)
return;
if (update_cutbuffer) {
/* put erased text to cutbuffer */
if (entry->cutbuffer == NULL || entry->cutbuffer_len < size) {
g_free(entry->cutbuffer);
entry->cutbuffer = g_new(unichar, size+1);
}
entry->cutbuffer_len = size;
entry->cutbuffer[size] = '\0';
memcpy(entry->cutbuffer, entry->text + entry->pos - size,
size * sizeof(unichar));
}
if (size == 0) {
/* we just wanted to clear the cutbuffer */
return;
}
g_memmove(entry->text + entry->pos - size, entry->text + entry->pos,
(entry->text_len-entry->pos+1) * sizeof(unichar));
entry->pos -= size;
entry->text_len -= size;
gui_entry_redraw_from(entry, entry->pos);
gui_entry_fix_cursor(entry);
gui_entry_draw(entry);
}
void gui_entry_move(GUI_ENTRY_REC *entry, int xpos, int ypos, int width)
{
int old_width;
g_return_if_fail(entry != NULL);
if (entry->xpos != xpos || entry->ypos != ypos) {
/* position in screen changed - needs a full redraw */
entry->xpos = xpos;
entry->ypos = ypos;
entry->width = width;
gui_entry_redraw(entry);
return;
}
if (entry->width == width)
return; /* no changes */
if (width > entry->width) {
/* input line grew - need to draw text at the end */
old_width = width;
entry->width = width;
gui_entry_redraw_from(entry, old_width);
} else {
/* input line shrinked - make sure the cursor
is inside the input line */
entry->width = width;
if (entry->pos - entry->scrstart >
entry->width-2 - entry->promptlen) {
gui_entry_fix_cursor(entry);
}
}
gui_entry_draw(entry);
}
void gui_entry_insert_text(GUI_ENTRY_REC *entry, const char *str)
{
unichar chr;
int i, len;
g_return_if_fail(entry != NULL);
g_return_if_fail(str != NULL);
gui_entry_redraw_from(entry, entry->pos);
len = !entry->utf8 ? strlen(str) : strlen_utf8(str);
entry_text_grow(entry, len);
/* make space for the string */
g_memmove(entry->text + entry->pos + len, entry->text + entry->pos,
(entry->text_len-entry->pos + 1) * sizeof(unichar));
if (!entry->utf8) {
for (i = 0; i < len; i++)
entry->text[entry->pos+i] = str[i];
} else {
chr = entry->text[entry->pos+len];
utf8_to_utf16(str, entry->text+entry->pos);
entry->text[entry->pos+len] = chr;
}
entry->text_len += len;
entry->pos += len;
gui_entry_fix_cursor(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_insert_char(GUI_ENTRY_REC *entry, unichar chr)
{
g_return_if_fail(entry != NULL);
if (chr == 0 || chr == 13 || chr == 10)
return; /* never insert NUL, CR or LF characters */
if (entry->utf8 && entry->pos == 0 && mk_wcwidth(chr) == 0)
return;
gui_entry_redraw_from(entry, entry->pos);
entry_text_grow(entry, 1);
/* make space for the string */
g_memmove(entry->text + entry->pos + 1, entry->text + entry->pos,
(entry->text_len-entry->pos + 1) * sizeof(unichar));
entry->text[entry->pos] = chr;
entry->text_len++;
entry->pos++;
gui_entry_fix_cursor(entry);
gui_entry_draw(entry);
}
void gui_entry_erase(GUI_ENTRY_REC *entry, int size, CUTBUFFER_UPDATE_OP update_cutbuffer)
{
size_t w = 0;
g_return_if_fail(entry != NULL);
if (size == 0 || entry->pos < size)
return;
switch (update_cutbuffer) {
case CUTBUFFER_UPDATE_PREPEND:
if (entry->cutbuffer_len) {
int cutbuffer_new_size = entry->cutbuffer_len + size;
unichar *tmpcutbuffer = entry->cutbuffer;
entry->cutbuffer = g_new(unichar, cutbuffer_new_size+1);
memcpy(entry->cutbuffer, entry->text + entry->pos - size,
size * sizeof(unichar));
memcpy(entry->cutbuffer + size, tmpcutbuffer,
entry->cutbuffer_len * sizeof(unichar));
entry->cutbuffer_len = cutbuffer_new_size;
entry->cutbuffer[cutbuffer_new_size] = '\0';
g_free(tmpcutbuffer);
break;
}
/* fall through to REPLACE if cutbuffer_len was 0 */
case CUTBUFFER_UPDATE_REPLACE:
/* put erased text to cutbuffer */
if (entry->cutbuffer_len < size) {
g_free(entry->cutbuffer);
entry->cutbuffer = g_new(unichar, size+1);
}
entry->cutbuffer_len = size;
entry->cutbuffer[size] = '\0';
memcpy(entry->cutbuffer, entry->text + entry->pos - size,
size * sizeof(unichar));
break;
case CUTBUFFER_UPDATE_NOOP:
break;
}
if (entry->utf8)
while (entry->pos-size-w > 0 &&
mk_wcwidth(entry->text[entry->pos-size-w]) == 0) w++;
g_memmove(entry->text + entry->pos - size, entry->text + entry->pos,
(entry->text_len-entry->pos+1) * sizeof(unichar));
entry->pos -= size;
entry->text_len -= size;
gui_entry_redraw_from(entry, entry->pos-w);
gui_entry_fix_cursor(entry);
gui_entry_draw(entry);
}
void gui_entry_redraw(GUI_ENTRY_REC *entry)
{
g_return_if_fail(entry != NULL);
gui_entry_set_prompt(entry, NULL);
gui_entry_redraw_from(entry, 0);
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 && !i_isalnum(entry->text[pos]))
pos++;
while (pos < entry->text_len && i_isalnum(entry->text[pos])) {
entry->text[pos] = i_toupper(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_insert_text(GUI_ENTRY_REC *entry, const char *str)
{
unichar chr;
int i, len;
const char *ptr;
g_return_if_fail(entry != NULL);
g_return_if_fail(str != NULL);
gui_entry_redraw_from(entry, entry->pos);
if (entry->utf8) {
g_utf8_validate(str, -1, &ptr);
len = g_utf8_pointer_to_offset(str, ptr);
} else if (term_type == TERM_TYPE_BIG5)
len = strlen_big5((const unsigned char *)str);
else
len = strlen(str);
entry_text_grow(entry, len);
/* make space for the string */
g_memmove(entry->text + entry->pos + len, entry->text + entry->pos,
(entry->text_len-entry->pos + 1) * sizeof(unichar));
if (!entry->utf8) {
if (term_type == TERM_TYPE_BIG5) {
chr = entry->text[entry->pos + len];
big5_to_unichars(str, entry->text + entry->pos);
entry->text[entry->pos + len] = chr;
} else {
for (i = 0; i < len; i++)
entry->text[entry->pos + i] = str[i];
}
} else {
ptr = str;
for (i = 0; i < len; i++) {
entry->text[entry->pos + i] = g_utf8_get_char(ptr);
ptr = g_utf8_next_char(ptr);
}
}
entry->text_len += len;
entry->pos += len;
gui_entry_fix_cursor(entry);
gui_entry_draw(entry);
}
void gui_entry_erase_cell(GUI_ENTRY_REC *entry)
{
int size = 1;
g_return_if_fail(entry != NULL);
if (entry->utf8)
while (entry->pos+size < entry->text_len &&
mk_wcwidth(entry->text[entry->pos+size]) == 0) size++;
g_memmove(entry->text + entry->pos, entry->text + entry->pos + size,
(entry->text_len-entry->pos-size+1) * sizeof(unichar));
entry->text_len -= size;
gui_entry_redraw_from(entry, entry->pos);
gui_entry_draw(entry);
}
void gui_entry_transpose_chars(GUI_ENTRY_REC *entry)
{
unichar chr;
if (entry->pos == 0 || entry->text_len < 2)
return;
if (entry->pos == entry->text_len)
entry->pos--;
/* swap chars */
chr = entry->text[entry->pos];
entry->text[entry->pos] = entry->text[entry->pos-1];
entry->text[entry->pos-1] = chr;
entry->pos++;
gui_entry_redraw_from(entry, entry->pos-2);
gui_entry_fix_cursor(entry);
gui_entry_draw(entry);
}
void gui_entry_erase(GUI_ENTRY_REC *entry, int size, int update_cutbuffer)
{
size_t w = 0;
g_return_if_fail(entry != NULL);
if (size == 0 || entry->pos < size)
return;
if (update_cutbuffer) {
/* put erased text to cutbuffer */
if (entry->cutbuffer_len < size) {
g_free(entry->cutbuffer);
entry->cutbuffer = g_new(unichar, size+1);
}
entry->cutbuffer_len = size;
entry->cutbuffer[size] = '\0';
memcpy(entry->cutbuffer, entry->text + entry->pos - size,
size * sizeof(unichar));
}
if (entry->utf8)
while (entry->pos-size-w > 0 &&
mk_wcwidth(entry->text[entry->pos-size-w]) == 0) w++;
g_memmove(entry->text + entry->pos - size, entry->text + entry->pos,
(entry->text_len-entry->pos+1) * sizeof(unichar));
entry->pos -= size;
entry->text_len -= size;
gui_entry_redraw_from(entry, entry->pos-w);
gui_entry_fix_cursor(entry);
gui_entry_draw(entry);
}