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--- thinglaunch.c.orig 2004-09-20 16:27:56.000000000 +0200
+++ thinglaunch.c 2009-09-01 22:11:10.000000000 +0200
@@ -19,10 +19,14 @@
*/
#include <X11/Xlib.h>
#include <X11/Xutil.h>
+#include <X11/keysymdef.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#ifdef __FreeBSD__
+#include <libgen.h>
+#endif
static void createWindow();
static void setupGC();
@@ -50,10 +54,13 @@
/* the actual commandline */
char command[MAXCMD+1];
+size_t cursor_pos;
int main(int argc, char ** argv) {
command[0] = 0x0;
+ cursor_pos = 0;
+
createWindow();
setupGC();
@@ -209,15 +216,15 @@
int font_height;
int textwidth;
-
+
font_height = font_info->ascent + font_info->descent;
- textwidth = XTextWidth(font_info, command, strlen(command));
+ textwidth = XTextWidth(font_info, command, cursor_pos);
XFillRectangle(display, win, rectgc, 0, 0, WINWIDTH, WINHEIGHT);
XDrawRectangle(display, win, gc, 0, 0, WINWIDTH-1, WINHEIGHT-1);
XDrawString(display, win, gc, 2, font_height+2, command, strlen(command));
- XDrawLine(display, win, gc, 2 + textwidth, font_height + 2,
- 2 + textwidth + 10, font_height+2);
+ XDrawLine(display, win, gc, 2 + textwidth, font_height + 4,
+ 2 + textwidth + 10, font_height+4);
XFlush(display);
@@ -229,22 +236,36 @@
#define KEYBUFLEN 20
char buffer[KEYBUFLEN+1];
KeySym key_symbol;
- int len;
+ int len, tmp_pos;
len = XLookupString(keyevent, buffer, 1, &key_symbol, NULL);
buffer[len] = 0x0;
+ len = strlen(command);
switch(key_symbol) {
- case 0xff1b: /* this is escape */
+ case XK_Escape:
exit(0);
break;
- case 0xff08: /* backspace */
- len = strlen(command);
- if (len > 0) {
- command[len-1] = 0x0;
- }
+ case XK_BackSpace:
+ if (cursor_pos)
+ for (tmp_pos = --cursor_pos; tmp_pos <= len; tmp_pos++)
+ command[tmp_pos] = command[tmp_pos+1];
+ break;
+ case XK_Left:
+ if (cursor_pos)
+ cursor_pos--;
+ break;
+ case XK_Right:
+ if (cursor_pos < len)
+ cursor_pos++;
+ break;
+ case XK_Home:
+ cursor_pos = 0;
+ break;
+ case XK_End:
+ cursor_pos = len;
break;
- case 0xff0d: /* enter */
+ case XK_Return:
execcmd();
break;
default:
@@ -253,10 +274,11 @@
/* normal printable chars */
if (key_symbol >= 0x20 && key_symbol <= 0x7e) {
- len = strlen(command);
if (len < MAXCMD) {
- command[len] = buffer[0];
- command[len+1] = 0x0;
+ if (cursor_pos != len)
+ for (tmp_pos = len; tmp_pos > cursor_pos; tmp_pos--)
+ command[tmp_pos] = command[tmp_pos-1];
+ command[cursor_pos++] = buffer[0];
}
}
redraw();
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