char *
text_get_string_copy(const Text *text)
{
int num,i;
char *str;
num = 0;
for (i=0;i<text->numlines;i++) {
/* This is for allocation, so it should not use g_utf8_strlen() */
num += strlen(text_get_line(text, i))+1;
}
str = g_malloc(num);
*str = 0;
for (i=0;i<text->numlines;i++) {
strcat(str, text_get_line(text, i));
if (i != (text->numlines-1)) {
strcat(str, "\n");
}
}
return str;
}
END_TEST
START_TEST (test_text_line)
{
text *text;
int i;
char buf[128];
const char *p;
int ret;
int len;
text = text_create ();
fail_unless (text != NULL);
for (i = 0; i < 120; i++)
{
sprintf (buf, "Line nr %d", i);
ret = text_add_line (text, buf);
fail_unless (ret == i + 1);
fail_unless (text_nr_of_lines (text) == i + 1);
}
for (i = 0; i < 120; i++)
{
sprintf (buf, "Line nr %d", i);
p = text_get_line (text, i, &len);
fail_unless (p != NULL);
fail_unless (strlen (buf) == len);
fail_unless (strcmp (p, buf) == 0);
}
p = text_get_line (text, 500, &len);
fail_unless (p == NULL);
p = text_get_line (text, -50, &len);
fail_unless (p == NULL);
text_clear (text);
fail_unless (text_nr_of_lines (text) == 0);
ret = text_add_line (text, "\001");
fail_unless (ret < 0);
fail_unless (text_nr_of_lines (text) == 0);
ret = text_add_line (text, "\t");
fail_unless (ret == 1);
fail_unless (text_nr_of_lines (text) == 1);
p = text_get_line (text, 0, &len);
fail_unless (p != NULL);
fail_unless (len == 2);
fail_unless (strcmp (p, " ") == 0);
text_free (text);
}
gboolean
text_delete_key_handler(Focus *focus, ObjectChange ** change)
{
Text *text;
int row, i;
const char *utf;
gunichar c;
text = focus->text;
row = text->cursor_row;
if (text->cursor_pos >= text_get_line_strlen(text, row)) {
if (row+1 < text->numlines) {
*change = text_create_change(text, TYPE_JOIN_ROW, 'Q',
text->cursor_pos, row, focus->obj);
} else {
return FALSE;
}
} else {
utf = text_get_line(text, row);
for (i = 0; i < text->cursor_pos; i++)
utf = g_utf8_next_char (utf);
c = g_utf8_get_char (utf);
*change = text_create_change (text, TYPE_DELETE_FORWARD, c,
text->cursor_pos, text->cursor_row, focus->obj);
}
text_delete_forward(text);
return TRUE;;
}
static void
text_insert_char(Text *text, gunichar c)
{
gchar ch[7];
int unilen;
int row;
gchar *line, *str;
gchar *utf8_before;
gchar *str1;
/* Make a string of the the char */
unilen = g_unichar_to_utf8 (c, ch);
ch[unilen] = 0;
row = text->cursor_row;
/* Copy the before and after parts with the new char in between */
line = text_get_line(text, row);
utf8_before = g_utf8_offset_to_pointer(line, (glong)(text->cursor_pos));
str1 = g_strndup(line, utf8_before - line);
str = g_strconcat(str1, ch, utf8_before, NULL);
text_set_line_text(text, row, str);
g_free(str);
g_free(str1);
text->cursor_pos++;
text->max_width = MAX(text->max_width, text_get_line_width(text, row));
}
static void
text_split_line(Text *text)
{
int i;
char *line;
real width;
gchar *utf8_before;
gchar *str1, *str2;
/* Split the lines at cursor_pos */
line = text_get_line(text, text->cursor_row);
text_insert_line(text, text->cursor_row);
utf8_before = g_utf8_offset_to_pointer(line, (glong)(text->cursor_pos));
str1 = g_strndup(line, utf8_before - line);
str2 = g_strdup(utf8_before); /* Must copy before dealloc */
text_set_line_text(text, text->cursor_row, str1);
text_set_line_text(text, text->cursor_row + 1, str2);
g_free(str2);
g_free(str1);
text->cursor_row ++;
text->cursor_pos = 0;
width = 0.0;
for (i=0;i<text->numlines;i++) {
width = MAX(width, text_get_line_width(text, i));
}
text->max_width = width;
}
void
text_draw(Text *text, DiaRenderer *renderer)
{
DIA_RENDERER_GET_CLASS(renderer)->draw_text(renderer, text);
if ((renderer->is_interactive) && (text->focus.has_focus)) {
real curs_x, curs_y;
real str_width_first;
real str_width_whole;
Point p1, p2;
real height = text->ascent+text->descent;
curs_y = text->position.y - text->ascent + text->cursor_row*text->height;
DIA_RENDERER_GET_CLASS(renderer)->set_font(renderer, text->font, text->height);
str_width_first =
DIA_RENDERER_GET_CLASS(renderer)->get_text_width(renderer,
text_get_line(text, text->cursor_row),
text->cursor_pos);
str_width_whole =
DIA_RENDERER_GET_CLASS(renderer)->get_text_width(renderer,
text_get_line(text, text->cursor_row),
text_get_line_strlen(text, text->cursor_row));
curs_x = text->position.x + str_width_first;
switch (text->alignment) {
case ALIGN_LEFT:
break;
case ALIGN_CENTER:
curs_x -= str_width_whole / 2.0;
break;
case ALIGN_RIGHT:
curs_x -= str_width_whole;
break;
}
p1.x = curs_x;
p1.y = curs_y;
p2.x = curs_x;
p2.y = curs_y + height;
DIA_RENDERER_GET_CLASS(renderer)->set_linestyle(renderer, LINESTYLE_SOLID);
DIA_RENDERER_GET_CLASS(renderer)->set_linewidth(renderer, height/CURSOR_HEIGHT_RATIO);
DIA_RENDERER_GET_CLASS(renderer)->draw_line(renderer, &p1, &p2, &color_black);
}
}
static void
text_join_lines(Text *text, int first_line)
{
gchar *combined_line;
int len1;
len1 = text_get_line_strlen(text, first_line);
combined_line = g_strconcat(text_get_line(text, first_line),
text_get_line(text, first_line + 1), NULL);
text_delete_line(text, first_line);
text_set_line_text(text, first_line, combined_line);
g_free(combined_line);
text->max_width = MAX(text->max_width, text_get_line_width(text, first_line));
text->cursor_row = first_line;
text->cursor_pos = len1;
}
static char *modem_read_old_version(char *version, size_t size)
{
ssize_t readlen;
char buff[1024];
readlen = modem_send_at_command(MODEM_ATCMD_READ_VERSION, buff, sizeof(buff));
if (readlen < 0)
{
print_error("modem_send_at_command");
return NULL;
}
buff[readlen] = 0;
text_get_line(buff, version, 3);
return version;
}
static void
text_delete_backward(Text *text)
{
int row;
int i;
real width;
gchar *line;
gchar *utf8_before, *utf8_after;
gchar *str1, *str;
row = text->cursor_row;
if (text->cursor_pos <= 0) {
if (row > 0)
text_join_lines(text, row-1);
return;
}
line = text_get_line(text, row);
utf8_before = g_utf8_offset_to_pointer(line, (glong)(text->cursor_pos - 1));
utf8_after = g_utf8_offset_to_pointer(utf8_before, 1);
str1 = g_strndup(line, utf8_before - line);
str = g_strconcat(str1, utf8_after, NULL);
text_set_line_text(text, row, str);
g_free(str);
g_free(str1);
text->cursor_pos --;
if (text->cursor_pos > text_get_line_strlen(text, text->cursor_row))
text->cursor_pos = text_get_line_strlen(text, text->cursor_row);
width = 0.0;
for (i = 0; i < text->numlines; i++) {
width = MAX(width, text_get_line_width(text, i));
}
text->max_width = width;
}
END_TEST
START_TEST (test_text_load)
{
text *text;
int i;
int ret;
char buf[64];
const char *p;
int len;
text = text_load_file (CONFDIR "/text_WRONG.txt");
fail_unless (text == NULL);
text = text_load_file (CONFDIR "/text_test.txt");
fail_unless (text != NULL);
for (i = 0; i < 120; i++)
{
sprintf (buf, " Line %d", i);
p = text_get_line (text, i, &len);
fail_unless (p != NULL);
fail_unless (strlen (buf) == len, "%d len = %d != %d", i, len,
strlen (buf));
fail_unless (strcmp (p, buf) == 0);
}
fail_unless (text_nr_of_lines (text) == 120);
text_clear (text);
fail_unless (text_nr_of_lines (text) == 0);
ret = text_update_from_file (text, CONFDIR "/text_WRONG.txt");
fail_unless (ret < 0);
ret = text_update_from_file (text, CONFDIR "/text_test.txt");
fail_unless (ret == 0);
for (i = 0; i < 120; i++)
{
sprintf (buf, " Line %d", i);
p = text_get_line (text, i, &len);
fail_unless (p != NULL);
fail_unless (strlen (buf) == len);
fail_unless (strcmp (p, buf) == 0);
}
fail_unless (text_nr_of_lines (text) == 120);
ret = text_update_from_file (text, CONFDIR "/text_test.txt");
fail_unless (ret == 0);
for (i = 0; i < 120; i++)
{
sprintf (buf, " Line %d", i);
p = text_get_line (text, i, &len);
fail_unless (p != NULL);
fail_unless (strlen (buf) == len);
fail_unless (strcmp (p, buf) == 0);
}
fail_unless (text_nr_of_lines (text) == 120);
ret = text_update_from_file (text, CONFDIR "/text_test_bad.txt");
fail_unless (ret < 0);
text_free (text);
}
static int
text_key_event(Focus *focus,
guint keystate, guint keyval,
const gchar *str, int strlen,
ObjectChange **change)
{
Text *text;
int return_val = FALSE;
int row, i;
const char *utf;
gunichar c;
*change = NULL;
text = focus->text;
switch(keyval) {
case GDK_Up:
case GDK_KP_Up:
text->cursor_row--;
if (text->cursor_row<0)
text->cursor_row = 0;
if (text->cursor_pos > text_get_line_strlen(text, text->cursor_row))
text->cursor_pos = text_get_line_strlen(text, text->cursor_row);
break;
case GDK_Down:
case GDK_KP_Down:
text->cursor_row++;
if (text->cursor_row >= text->numlines)
text->cursor_row = text->numlines - 1;
if (text->cursor_pos > text_get_line_strlen(text, text->cursor_row))
text->cursor_pos = text_get_line_strlen(text, text->cursor_row);
break;
case GDK_Left:
case GDK_KP_Left:
if (keystate & GDK_CONTROL_MASK)
text_move_cursor(text, WORD_START);
else
text->cursor_pos--;
if (text->cursor_pos<0)
text->cursor_pos = 0;
break;
case GDK_Right:
case GDK_KP_Right:
if (keystate & GDK_CONTROL_MASK)
text_move_cursor(text, WORD_END);
else
text->cursor_pos++;
if (text->cursor_pos > text_get_line_strlen(text, text->cursor_row))
text->cursor_pos = text_get_line_strlen(text, text->cursor_row);
break;
case GDK_Home:
case GDK_KP_Home:
text->cursor_pos = 0;
break;
case GDK_End:
case GDK_KP_End:
text->cursor_pos = text_get_line_strlen(text, text->cursor_row);
break;
case GDK_Delete:
case GDK_KP_Delete:
return_val = text_delete_key_handler(focus, change);
break;
case GDK_BackSpace:
return_val = TRUE;
row = text->cursor_row;
if (text->cursor_pos <= 0) {
if (row > 0) {
*change = text_create_change(text, TYPE_JOIN_ROW, 'Q',
text_get_line_strlen(text, row-1), row-1,
focus->obj);
} else {
return_val = FALSE;
break;
}
} else {
utf = text_get_line(text, row);
for (i = 0; i < (text->cursor_pos - 1); i++)
utf = g_utf8_next_char (utf);
c = g_utf8_get_char (utf);
*change = text_create_change (text, TYPE_DELETE_BACKWARD, c,
text->cursor_pos - 1,
text->cursor_row,
focus->obj);
}
text_delete_backward(text);
break;
case GDK_Return:
case GDK_KP_Enter:
return_val = TRUE;
*change = text_create_change(text, TYPE_SPLIT_ROW, 'Q',
text->cursor_pos, text->cursor_row,
focus->obj);
text_split_line(text);
break;
case GDK_Shift_L:
case GDK_Shift_R:
case GDK_Control_L:
case GDK_Control_R:
case GDK_Alt_L:
case GDK_Alt_R:
case GDK_Meta_L:
case GDK_Meta_R:
return_val = FALSE; /* no text change for modifiers */
break;
default:
if (str || (strlen>0)) {
if (str && *str == '\r')
break; /* avoid putting junk into our string */
return_val = TRUE;
*change = change_list_create();
for (utf = str; utf && *utf && strlen > 0 ;
utf = g_utf8_next_char (utf), strlen--) {
ObjectChange *step;
c = g_utf8_get_char (utf);
step = text_create_change (text, TYPE_INSERT_CHAR, c,
text->cursor_pos, text->cursor_row,
focus->obj);
change_list_add (*change, step);
text_insert_char (text, c);
}
}
break;
}
return return_val;
}
/* The renderer is only used to determine where the click is, so is not
* required when no point is given. */
void
text_set_cursor(Text *text, Point *clicked_point,
DiaRenderer *renderer)
{
real str_width_whole;
real str_width_first;
real top;
real start_x;
int row;
int i;
if (clicked_point != NULL) {
top = text->position.y - text->ascent;
row = (int)floor((clicked_point->y - top) / text->height);
if (row < 0)
row = 0;
if (row >= text->numlines)
row = text->numlines - 1;
text->cursor_row = row;
text->cursor_pos = 0;
if (!renderer->is_interactive) {
g_warning("Internal error: Select gives non interactive renderer!\n"
"val: %d\n", renderer->is_interactive);
return;
}
DIA_RENDERER_GET_CLASS(renderer)->set_font(renderer, text->font, text->height);
str_width_whole =
DIA_RENDERER_GET_CLASS(renderer)->get_text_width(renderer,
text_get_line(text, row),
text_get_line_strlen(text, row));
start_x = text->position.x;
switch (text->alignment) {
case ALIGN_LEFT:
break;
case ALIGN_CENTER:
start_x -= str_width_whole / 2.0;
break;
case ALIGN_RIGHT:
start_x -= str_width_whole;
break;
}
/* Do an ugly linear search for the cursor index:
TODO: Change to binary search */
for (i=0;i<=text_get_line_strlen(text, row);i++) {
str_width_first =
DIA_RENDERER_GET_CLASS(renderer)->get_text_width(renderer, text_get_line(text, row), i);
if (clicked_point->x - start_x >= str_width_first) {
text->cursor_pos = i;
} else {
return;
}
}
text->cursor_pos = text_get_line_strlen(text, row);
} else {
/* No clicked point, leave cursor where it is */
}
}