#include "nc-config.h"
#include "nc-widgets.h"
-#define N_FIELDS 18
+#define N_FIELDS 19
enum net_conf_type {
NET_CONF_TYPE_DHCP_ALL,
struct nc_scr scr;
struct cui *cui;
struct nc_widgetset *widgetset;
+ WINDOW *pad;
+
bool exit;
void (*on_exit)(struct cui *);
+ int scroll_y;
+
int label_x;
int field_x;
int network_config_y;
struct nc_widget_textbox *gateway_f;
struct nc_widget_label *dns_l;
struct nc_widget_textbox *dns_f;
+ struct nc_widget_label *dns_help_l;
struct nc_widget_button *ok_b;
struct nc_widget_button *cancel_b;
return config_screen;
}
+static void pad_refresh(struct config_screen *screen)
+{
+ int y, x, rows, cols;
+
+ getmaxyx(screen->scr.sub_ncw, rows, cols);
+ getbegyx(screen->scr.sub_ncw, y, x);
+
+ prefresh(screen->pad, screen->scroll_y, 0, y, x, rows, cols);
+}
+
static void config_screen_process_key(struct nc_scr *scr, int key)
{
struct config_screen *screen = config_screen_from_scr(scr);
if (screen->exit)
screen->on_exit(screen->cui);
else if (handled)
- wrefresh(screen->scr.main_ncw);
+ pad_refresh(screen);
}
static void config_screen_resize(struct nc_scr *scr)
struct config_screen *screen = config_screen_from_scr(scr);
widgetset_post(screen->widgetset);
nc_scr_frame_draw(scr);
- wrefresh(scr->main_ncw);
+ pad_refresh(screen);
return 0;
}
y += layout_pair(screen, y, screen->widgets.dns_l,
widget_textbox_base(screen->widgets.dns_f));
+ /* we show the DNS/DHCP help if we're configuring DHCP */
+ show = net_conf != NET_CONF_TYPE_STATIC;
+ wl = widget_label_base(screen->widgets.dns_help_l);
+ widget_set_visible(wl, show);
+ if (show) {
+ widget_move(wl, y, screen->field_x);
+ y += 1;
+ }
+
y += 1;
widget_move(widget_button_base(screen->widgets.ok_b),
return NET_CONF_TYPE_DHCP_ALL;
}
+static void config_screen_setup_empty(struct config_screen *screen)
+{
+ widget_new_label(screen->widgetset, 2, screen->field_x,
+ "Waiting for configuration data...");
+ screen->widgets.cancel_b = widget_new_button(screen->widgetset,
+ 4, screen->field_x, 6, "Cancel", cancel_click, screen);
+}
+
+
static void config_screen_setup_widgets(struct config_screen *screen,
const struct config *config,
const struct system_info *sysinfo)
screen->widgets.dns_l = widget_new_label(set, 0, 0, "DNS Server(s):");
screen->widgets.dns_f = widget_new_textbox(set, 0, 0, 32, str);
+ screen->widgets.dns_help_l = widget_new_label(set, 0, 0,
+ "(if not provided by DHCP server)");
+
screen->widgets.ok_b = widget_new_button(set, 0, 0, 6, "OK",
ok_click, screen);
screen->widgets.cancel_b = widget_new_button(set, 0, 0, 6, "Cancel",
cancel_click, screen);
}
+static void config_screen_widget_focus(struct nc_widget *widget, void *arg)
+{
+ struct config_screen *screen = arg;
+ int w_y, w_height, s_max;
+
+ w_y = widget_y(widget);
+ w_height = widget_height(widget);
+ s_max = getmaxy(screen->scr.sub_ncw);
+
+ if (w_y < screen->scroll_y)
+ screen->scroll_y = w_y;
+
+ else if (w_y + w_height + screen->scroll_y > s_max - 1)
+ screen->scroll_y = 1 + w_y + w_height - s_max;
+
+ else
+ return;
+
+ pad_refresh(screen);
+}
+
+
+void config_screen_update(struct config_screen *screen,
+ const struct config *config,
+ const struct system_info *sysinfo)
+{
+ bool repost = false;
+ int height;
+
+ /* The size of the pad we'll need depends on the number of interfaces.
+ *
+ * We use N_FIELDS (which is quite conservative, as some fields share
+ * a line) as a base, then add 3 (as the network select field is
+ * takes 3 lines), and n_interfaces (as the network interface field
+ * has n_interfaces lines).
+ */
+ height = N_FIELDS + 3;
+ if (sysinfo)
+ height += sysinfo->n_interfaces;
+ if (!screen->pad || getmaxx(screen->pad) < height) {
+ if (screen->pad)
+ delwin(screen->pad);
+ screen->pad = newpad(height, COLS);
+ }
+
+ if (screen->widgetset) {
+ widgetset_unpost(screen->widgetset);
+ talloc_free(screen->widgetset);
+ repost = true;
+ }
+
+ screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
+ screen->pad);
+ widgetset_set_widget_focus(screen->widgetset,
+ config_screen_widget_focus, screen);
+
+ if (!config || !sysinfo) {
+ config_screen_setup_empty(screen);
+ } else {
+ screen->net_conf_type = find_net_conf_type(config);
+
+ config_screen_setup_widgets(screen, config, sysinfo);
+ config_screen_layout_widgets(screen, screen->net_conf_type);
+ }
+
+ if (repost)
+ widgetset_post(screen->widgetset);
+
+ pad_refresh(screen);
+}
+
+static int config_screen_destroy(void *arg)
+{
+ struct config_screen *screen = arg;
+ if (screen->pad)
+ delwin(screen->pad);
+ return 0;
+}
+
struct config_screen *config_screen_init(struct cui *cui,
const struct config *config,
const struct system_info *sysinfo,
struct config_screen *screen;
screen = talloc_zero(cui, struct config_screen);
+ talloc_set_destructor(screen, config_screen_destroy);
nc_scr_init(&screen->scr, pb_config_screen_sig, 0,
cui, config_screen_process_key,
config_screen_post, config_screen_unpost,
"tab=next, shift+tab=previous");
nc_scr_frame_draw(&screen->scr);
- screen->widgetset = widgetset_create(screen, screen->scr.main_ncw,
- screen->scr.sub_ncw);
- screen->net_conf_type = find_net_conf_type(config);
+ scrollok(screen->scr.sub_ncw, true);
- config_screen_setup_widgets(screen, config, sysinfo);
- config_screen_layout_widgets(screen, screen->net_conf_type);
+ config_screen_update(screen, config, sysinfo);
wrefresh(screen->scr.main_ncw);
- scrollok(screen->scr.sub_ncw, true);
return screen;
}
projects / petitboot / blobdiff