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/* for reading kdb input from the user. Currently only used to read in
the name of a window to jump to. */
#include <X11/keysym.h>
#include <stdlib.h>
#include <stdio.h>
#include "ratpoison.h"
static int
read_key ()
{
XEvent ev;
XMaskEvent (dpy, KeyPressMask, &ev);
return XLookupKeysym ((XKeyEvent *)&ev, 0);
}
/* pass in a pointer a string and how much room we have, and fill it
in with text from the user. */
void
get_input (screen_info *s, char *prompt, char *str, int len)
{
int cur_len; /* Current length of the string. */
int ch;
int revert;
Window fwin;
int prompt_width = XTextWidth (s->font, prompt, strlen (prompt));
int width = 100 + prompt_width;
/* We don't want to draw overtop of the program bar. */
hide_bar (s);
XMapWindow (dpy, s->input_window);
XMoveResizeWindow (dpy, s->input_window,
bar_x (s, width), bar_y (s), width, (FONT_HEIGHT (s->font) + BAR_PADDING * 2));
XClearWindow (dpy, s->input_window);
XRaiseWindow (dpy, s->input_window);
/* draw the window prompt. */
XDrawString (dpy, s->input_window, s->bold_gc, 5,
BAR_PADDING + s->font->max_bounds.ascent, prompt, strlen (prompt));
XGetInputFocus (dpy, &fwin, &revert);
XSetInputFocus (dpy, s->input_window, RevertToPointerRoot, CurrentTime);
cur_len = 0;
while ((ch = read_key ()) != XK_Return)
{
PRINT_DEBUG ("key %d\n", ch);
if (ch == XK_BackSpace)
{
if (cur_len > 0) cur_len--;
XClearWindow (dpy, s->input_window);
XDrawString (dpy, s->input_window, s->bold_gc, 5,
BAR_PADDING + s->font->max_bounds.ascent, prompt, strlen (prompt));
XDrawString (dpy, s->input_window, s->bold_gc, 5 + prompt_width,
BAR_PADDING + s->font->max_bounds.ascent, str, cur_len);
}
else if (ch >= ' ')
{
str[cur_len] = ch;
if (cur_len < len - 1) cur_len++;
XDrawString (dpy, s->input_window, s->bold_gc, 5 + prompt_width,
BAR_PADDING + s->font->max_bounds.ascent, str, cur_len);
}
}
str[cur_len] = 0;
XSetInputFocus (dpy, fwin, RevertToPointerRoot, CurrentTime);
XUnmapWindow (dpy, s->input_window);
}
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