static void
update_input_window (rp_screen *s, rp_input_line *line)
{
int prompt_width, input_width, total_width;
int char_len = 0, height;
GC lgc;
XGCValues gcv;
prompt_width = rp_text_width (s, line->prompt, -1);
input_width = rp_text_width (s, line->buffer, line->length);
total_width = defaults.bar_x_padding * 2 + prompt_width + input_width + MAX_FONT_WIDTH (defaults.font);
height = (FONT_HEIGHT (s) + defaults.bar_y_padding * 2);
if (RP_IS_UTF8_START (line->buffer[line->position]))
do
char_len++;
while (RP_IS_UTF8_CONT (line->buffer[line->position + char_len]));
else
char_len = 1;
if (total_width < defaults.input_window_size + prompt_width)
{
total_width = defaults.input_window_size + prompt_width;
}
XMoveResizeWindow (dpy, s->input_window,
bar_x (s, total_width), bar_y (s, height), total_width,
(FONT_HEIGHT (s) + defaults.bar_y_padding * 2));
XClearWindow (dpy, s->input_window);
XSync (dpy, False);
rp_draw_string (s, s->input_window, STYLE_NORMAL,
defaults.bar_x_padding,
defaults.bar_y_padding + FONT_ASCENT(s),
line->prompt,
-1);
rp_draw_string (s, s->input_window, STYLE_NORMAL,
defaults.bar_x_padding + prompt_width,
defaults.bar_y_padding + FONT_ASCENT(s),
line->buffer,
line->length);
gcv.function = GXxor;
gcv.foreground = s->fg_color ^ s->bg_color;
lgc = XCreateGC (dpy, s->input_window, GCFunction | GCForeground, &gcv);
/* Draw a cheap-o cursor - MkIII */
XFillRectangle (dpy, s->input_window, lgc,
defaults.bar_x_padding + prompt_width +
rp_text_width (s, line->buffer, line->position),
defaults.bar_y_padding,
rp_text_width (s, &line->buffer[line->position], char_len),
FONT_HEIGHT (s));
XFlush (dpy);
XFreeGC (dpy, lgc);
}
static int
max_line_length (char* msg)
{
rp_screen *s = current_screen ();
size_t i;
size_t start;
int ret = 0;
/* Count each line and keep the length of the longest one. */
for(start=0, i=0; i <= strlen(msg); i++)
{
if(msg[i] == '\n' || msg[i] == '\0')
{
int current_width;
/* Check if this line is the longest so far. */
current_width = rp_text_width (s, defaults.font, msg + start, i - start);
if(current_width > ret)
{
ret = current_width;
}
/* Update the start of the new line. */
start = i + 1;
}
}
return ret;
}
static void
get_mark_box (char *msg, size_t mark_start, size_t mark_end,
int *x, int *y, int *width, int *height)
{
rp_screen *s = current_screen ();
int start, end;
int mark_end_is_new_line = 0;
int start_line;
int end_line;
int start_pos_in_line;
int end_pos_in_line;
int start_line_beginning;
int end_line_beginning;
/* If the mark_end is on a new line or the end of the string, then
back it up one character. */
if (msg[mark_end-1] == '\n' || mark_end == strlen (msg))
{
mark_end--;
mark_end_is_new_line = 1;
}
start_line = count_lines(msg, mark_start);
end_line = count_lines(msg, mark_end);
start_pos_in_line = pos_in_line(msg, mark_start);
end_pos_in_line = pos_in_line(msg, mark_end);
start_line_beginning = line_beginning(msg, mark_start);
end_line_beginning = line_beginning(msg, mark_end);
PRINT_DEBUG (("start_line = %d, end_line = %d\n", start_line, end_line));
PRINT_DEBUG (("start_line_beginning = %d, end_line_beginning = %d\n",
start_line_beginning, end_line_beginning));
if (mark_start == 0 || start_pos_in_line == 0)
start = 0;
else
start = rp_text_width (s, defaults.font,
&msg[start_line_beginning],
start_pos_in_line) + defaults.bar_x_padding;
end = rp_text_width (s, defaults.font,
&msg[end_line_beginning],
end_pos_in_line) + defaults.bar_x_padding * 2;
if (mark_end != strlen (msg))
end -= defaults.bar_x_padding;
/* A little hack to highlight to the end of the line, if the
mark_end is at the end of a line. */
if (mark_end_is_new_line)
{
*width = max_line_length(msg) + defaults.bar_x_padding * 2;
}
else
{
*width = end - start;
}
*x = start;
*y = (start_line - 1) * FONT_HEIGHT (s) + defaults.bar_y_padding;
*height = (end_line - start_line + 1) * FONT_HEIGHT (s);
}