summaryrefslogtreecommitdiff
path: root/extra/config/lxdialog/inputbox.c
diff options
context:
space:
mode:
Diffstat (limited to 'extra/config/lxdialog/inputbox.c')
-rw-r--r--extra/config/lxdialog/inputbox.c136
1 files changed, 100 insertions, 36 deletions
diff --git a/extra/config/lxdialog/inputbox.c b/extra/config/lxdialog/inputbox.c
index cecc9e8ff..447a58219 100644
--- a/extra/config/lxdialog/inputbox.c
+++ b/extra/config/lxdialog/inputbox.c
@@ -15,7 +15,8 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "dialog.h"
@@ -44,7 +45,8 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
const char *init)
{
int i, x, y, box_y, box_x, box_width;
- int input_x = 0, scroll = 0, key = 0, button = -1;
+ int input_x = 0, key = 0, button = -1;
+ int show_x, len, pos;
char *instr = dialog_input_result;
WINDOW *dialog;
@@ -54,14 +56,14 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
strcpy(instr, init);
do_resize:
- if (getmaxy(stdscr) <= (height - 2))
+ if (getmaxy(stdscr) <= (height - INPUTBOX_HEIGTH_MIN))
return -ERRDISPLAYTOOSMALL;
- if (getmaxx(stdscr) <= (width - 2))
+ if (getmaxx(stdscr) <= (width - INPUTBOX_WIDTH_MIN))
return -ERRDISPLAYTOOSMALL;
/* center dialog box on screen */
- x = (COLS - width) / 2;
- y = (LINES - height) / 2;
+ x = (getmaxx(stdscr) - width) / 2;
+ y = (getmaxy(stdscr) - height) / 2;
draw_shadow(stdscr, y, x, height, width);
@@ -96,14 +98,17 @@ do_resize:
wmove(dialog, box_y, box_x);
wattrset(dialog, dlg.inputbox.atr);
- input_x = strlen(instr);
+ len = strlen(instr);
+ pos = len;
- if (input_x >= box_width) {
- scroll = input_x - box_width + 1;
+ if (len >= box_width) {
+ show_x = len - box_width + 1;
input_x = box_width - 1;
for (i = 0; i < box_width - 1; i++)
- waddch(dialog, instr[scroll + i]);
+ waddch(dialog, instr[show_x + i]);
} else {
+ show_x = 0;
+ input_x = len;
waddstr(dialog, instr);
}
@@ -120,45 +125,104 @@ do_resize:
case KEY_UP:
case KEY_DOWN:
break;
- case KEY_LEFT:
- continue;
- case KEY_RIGHT:
- continue;
case KEY_BACKSPACE:
case 127:
- if (input_x || scroll) {
+ if (pos) {
wattrset(dialog, dlg.inputbox.atr);
- if (!input_x) {
- scroll = scroll < box_width - 1 ? 0 : scroll - (box_width - 1);
- wmove(dialog, box_y, box_x);
- for (i = 0; i < box_width; i++)
- waddch(dialog,
- instr[scroll + input_x + i] ?
- instr[scroll + input_x + i] : ' ');
- input_x = strlen(instr) - scroll;
+ if (input_x == 0) {
+ show_x--;
} else
input_x--;
- instr[scroll + input_x] = '\0';
- mvwaddch(dialog, box_y, input_x + box_x, ' ');
+
+ if (pos < len) {
+ for (i = pos - 1; i < len; i++) {
+ instr[i] = instr[i+1];
+ }
+ }
+
+ pos--;
+ len--;
+ instr[len] = '\0';
+ wmove(dialog, box_y, box_x);
+ for (i = 0; i < box_width; i++) {
+ if (!instr[show_x + i]) {
+ waddch(dialog, ' ');
+ break;
+ }
+ waddch(dialog, instr[show_x + i]);
+ }
wmove(dialog, box_y, input_x + box_x);
wrefresh(dialog);
}
continue;
+ case KEY_LEFT:
+ if (pos > 0) {
+ if (input_x > 0) {
+ wmove(dialog, box_y, --input_x + box_x);
+ } else if (input_x == 0) {
+ show_x--;
+ wmove(dialog, box_y, box_x);
+ for (i = 0; i < box_width; i++) {
+ if (!instr[show_x + i]) {
+ waddch(dialog, ' ');
+ break;
+ }
+ waddch(dialog, instr[show_x + i]);
+ }
+ wmove(dialog, box_y, box_x);
+ }
+ pos--;
+ }
+ continue;
+ case KEY_RIGHT:
+ if (pos < len) {
+ if (input_x < box_width - 1) {
+ wmove(dialog, box_y, ++input_x + box_x);
+ } else if (input_x == box_width - 1) {
+ show_x++;
+ wmove(dialog, box_y, box_x);
+ for (i = 0; i < box_width; i++) {
+ if (!instr[show_x + i]) {
+ waddch(dialog, ' ');
+ break;
+ }
+ waddch(dialog, instr[show_x + i]);
+ }
+ wmove(dialog, box_y, input_x + box_x);
+ }
+ pos++;
+ }
+ continue;
default:
if (key < 0x100 && isprint(key)) {
- if (scroll + input_x < MAX_LEN) {
+ if (len < MAX_LEN) {
wattrset(dialog, dlg.inputbox.atr);
- instr[scroll + input_x] = key;
- instr[scroll + input_x + 1] = '\0';
+ if (pos < len) {
+ for (i = len; i > pos; i--)
+ instr[i] = instr[i-1];
+ instr[pos] = key;
+ } else {
+ instr[len] = key;
+ }
+ pos++;
+ len++;
+ instr[len] = '\0';
+
if (input_x == box_width - 1) {
- scroll++;
- wmove(dialog, box_y, box_x);
- for (i = 0; i < box_width - 1; i++)
- waddch(dialog, instr [scroll + i]);
+ show_x++;
} else {
- wmove(dialog, box_y, input_x++ + box_x);
- waddch(dialog, key);
+ input_x++;
+ }
+
+ wmove(dialog, box_y, box_x);
+ for (i = 0; i < box_width; i++) {
+ if (!instr[show_x + i]) {
+ waddch(dialog, ' ');
+ break;
+ }
+ waddch(dialog, instr[show_x + i]);
}
+ wmove(dialog, box_y, input_x + box_x);
wrefresh(dialog);
} else
flash(); /* Alarm user about overflow */
@@ -179,7 +243,7 @@ do_resize:
case KEY_LEFT:
switch (button) {
case -1:
- button = 1; /* Indicates "Cancel" button is selected */
+ button = 1; /* Indicates "Help" button is selected */
print_buttons(dialog, height, width, 1);
break;
case 0:
@@ -203,7 +267,7 @@ do_resize:
print_buttons(dialog, height, width, 0);
break;
case 0:
- button = 1; /* Indicates "Cancel" button is selected */
+ button = 1; /* Indicates "Help" button is selected */
print_buttons(dialog, height, width, 1);
break;
case 1: