build: add new menuconfig code based on linux 3.9
[openwrt.git] / scripts / config / lxdialog / inputbox.c
index 7795037..21404a0 100644 (file)
@@ -31,8 +31,8 @@ static void print_buttons(WINDOW * dialog, int height, int width, int selected)
        int x = width / 2 - 11;
        int y = height - 2;
 
-       print_button(dialog, "  Ok  ", y, x, selected == 0);
-       print_button(dialog, " Help ", y, x + 14, selected == 1);
+       print_button(dialog, gettext("  Ok  "), y, x, selected == 0);
+       print_button(dialog, gettext(" Help "), y, x + 14, selected == 1);
 
        wmove(dialog, y, x + 1 + 14 * selected);
        wrefresh(dialog);
@@ -45,10 +45,22 @@ 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;
 
+       if (!init)
+               instr[0] = '\0';
+       else
+               strcpy(instr, init);
+
+do_resize:
+       if (getmaxy(stdscr) <= (height - 2))
+               return -ERRDISPLAYTOOSMALL;
+       if (getmaxx(stdscr) <= (width - 2))
+               return -ERRDISPLAYTOOSMALL;
+
        /* center dialog box on screen */
        x = (COLS - width) / 2;
        y = (LINES - height) / 2;
@@ -58,17 +70,18 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
        dialog = newwin(height, width, y, x);
        keypad(dialog, TRUE);
 
-       draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
-       wattrset(dialog, border_attr);
+       draw_box(dialog, 0, 0, height, width,
+                dlg.dialog.atr, dlg.border.atr);
+       wattrset(dialog, dlg.border.atr);
        mvwaddch(dialog, height - 3, 0, ACS_LTEE);
        for (i = 0; i < width - 2; i++)
                waddch(dialog, ACS_HLINE);
-       wattrset(dialog, dialog_attr);
+       wattrset(dialog, dlg.dialog.atr);
        waddch(dialog, ACS_RTEE);
 
        print_title(dialog, title, width);
 
-       wattrset(dialog, dialog_attr);
+       wattrset(dialog, dlg.dialog.atr);
        print_autowrap(dialog, prompt, width - 2, 1, 3);
 
        /* Draw the input field box */
@@ -76,27 +89,26 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
        getyx(dialog, y, x);
        box_y = y + 2;
        box_x = (width - box_width) / 2;
-       draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2, border_attr, dialog_attr);
+       draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2,
+                dlg.dialog.atr, dlg.border.atr);
 
        print_buttons(dialog, height, width, 0);
 
        /* Set up the initial value */
        wmove(dialog, box_y, box_x);
-       wattrset(dialog, inputbox_attr);
-
-       if (!init)
-               instr[0] = '\0';
-       else
-               strcpy(instr, init);
+       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);
        }
 
@@ -104,7 +116,7 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
 
        wrefresh(dialog);
 
-       while (key != ESC) {
+       while (key != KEY_ESC) {
                key = wgetch(dialog);
 
                if (button == -1) {     /* Input box selected */
@@ -113,45 +125,104 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
                        case KEY_UP:
                        case KEY_DOWN:
                                break;
-                       case KEY_LEFT:
-                               continue;
-                       case KEY_RIGHT:
-                               continue;
                        case KEY_BACKSPACE:
                        case 127:
-                               if (input_x || scroll) {
-                                       wattrset(dialog, inputbox_attr);
-                                       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 (pos) {
+                                       wattrset(dialog, dlg.inputbox.atr);
+                                       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) {
-                                               wattrset(dialog, inputbox_attr);
-                                               instr[scroll + input_x] = key;
-                                               instr[scroll + input_x + 1] = '\0';
+                                       if (len < MAX_LEN) {
+                                               wattrset(dialog, dlg.inputbox.atr);
+                                               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 */
@@ -172,7 +243,7 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
                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:
@@ -196,7 +267,7 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
                                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:
@@ -213,12 +284,18 @@ int dialog_inputbox(const char *title, const char *prompt, int height, int width
                        return (button == -1 ? 0 : button);
                case 'X':
                case 'x':
-                       key = ESC;
-               case ESC:
+                       key = KEY_ESC;
                        break;
+               case KEY_ESC:
+                       key = on_key_esc(dialog);
+                       break;
+               case KEY_RESIZE:
+                       delwin(dialog);
+                       on_key_resize();
+                       goto do_resize;
                }
        }
 
        delwin(dialog);
-       return -1;              /* ESC pressed */
+       return KEY_ESC;         /* ESC pressed */
 }