X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ui%2Fncurses%2Fnc-boot-editor.c;h=79ca3a74269e7311140cb56de183d0152ac487e7;hb=c4b4ebc4c61b7f374582c621aec846aba3795954;hp=80383005a3c3b612129f7e574dcce8b5ec0acffc;hpb=ea243d25b9ed896b4c204ed0a7be946b05446c20;p=petitboot diff --git a/ui/ncurses/nc-boot-editor.c b/ui/ncurses/nc-boot-editor.c index 8038300..79ca3a7 100644 --- a/ui/ncurses/nc-boot-editor.c +++ b/ui/ncurses/nc-boot-editor.c @@ -39,7 +39,9 @@ struct boot_editor { int label_x; int field_x; + int scroll_y; + WINDOW *pad; struct nc_widgetset *widgetset; struct { struct nc_widget_label *device_l; @@ -57,6 +59,10 @@ struct boot_editor { } widgets; const char *selected_device; + char *image; + char *initrd; + char *dtb; + char *args; }; static struct boot_editor *boot_editor_from_scr(struct nc_scr *scr) @@ -70,6 +76,17 @@ static struct boot_editor *boot_editor_from_scr(struct nc_scr *scr) return boot_editor; } +static void pad_refresh(struct boot_editor *boot_editor) +{ + int y, x, rows, cols; + + getmaxyx(boot_editor->scr.sub_ncw, rows, cols); + getbegyx(boot_editor->scr.sub_ncw, y, x); + + prefresh(boot_editor->pad, boot_editor->scroll_y, 0, + y, x, rows, cols); +} + static struct boot_editor *boot_editor_from_arg(void *arg) { struct boot_editor *boot_editor = arg; @@ -84,9 +101,7 @@ static int boot_editor_post(struct nc_scr *scr) widgetset_post(boot_editor->widgetset); nc_scr_frame_draw(scr); - redrawwin(boot_editor->scr.main_ncw); - wrefresh(boot_editor->scr.main_ncw); - + pad_refresh(boot_editor); return 0; } @@ -172,7 +187,7 @@ static void boot_editor_process_key(struct nc_scr *scr, int key) handled = widgetset_process_key(boot_editor->widgetset, key); if (handled) { - wrefresh(boot_editor->scr.main_ncw); + pad_refresh(boot_editor); return; } @@ -192,6 +207,8 @@ static int boot_editor_destructor(void *arg) { struct boot_editor *boot_editor = boot_editor_from_arg(arg); boot_editor->scr.sig = pb_removed_sig; + if (boot_editor->pad) + delwin(boot_editor->pad); return 0; } @@ -221,6 +238,11 @@ static int layout_pair(struct boot_editor *boot_editor, int y, return max(widget_height(label_w), widget_height(field_w)); } +static int pad_height(int blockdevs_height) +{ + return 10 + blockdevs_height; +} + static void boot_editor_layout_widgets(struct boot_editor *boot_editor) { struct nc_widget *wf, *wl; @@ -252,6 +274,26 @@ static void boot_editor_layout_widgets(struct boot_editor *boot_editor) widget_move(widget_button_base(boot_editor->widgets.cancel_b), y, 19); } +static void boot_editor_widget_focus(struct nc_widget *widget, void *arg) +{ + struct boot_editor *boot_editor = arg; + int w_y, s_max; + + w_y = widget_y(widget) + widget_focus_y(widget); + s_max = getmaxy(boot_editor->scr.sub_ncw) - 1; + + if (w_y < boot_editor->scroll_y) + boot_editor->scroll_y = w_y; + + else if (w_y + boot_editor->scroll_y + 1 > s_max) + boot_editor->scroll_y = 1 + w_y - s_max; + + else + return; + + pad_refresh(boot_editor); +} + static void boot_editor_device_select_change(void *arg, int idx) { struct boot_editor *boot_editor = arg; @@ -271,7 +313,7 @@ static void boot_editor_populate_device_select(struct boot_editor *boot_editor, widget_select_drop_options(select); - for (i = 0; i < sysinfo->n_blockdevs; i++) { + for (i = 0; sysinfo && i < sysinfo->n_blockdevs; i++) { struct blockdev_info *bd_info = sysinfo->blockdevs[i]; const char *name; @@ -281,8 +323,7 @@ static void boot_editor_populate_device_select(struct boot_editor *boot_editor, !strcmp(bd_info->name, boot_editor->selected_device); - widget_select_add_option(boot_editor->widgets.device_f, - i, name, selected); + widget_select_add_option(select, i, name, selected); } /* If we're editing an existing option, the paths will be fully- @@ -291,8 +332,8 @@ static void boot_editor_populate_device_select(struct boot_editor *boot_editor, * changed. */ selected = !boot_editor->selected_device; - widget_select_add_option(boot_editor->widgets.device_f, - -1, "Specify paths/URLs manually", selected); + widget_select_add_option(select, -1, "Specify paths/URLs manually", + selected); } static bool path_on_device(struct blockdev_info *bd_info, @@ -315,8 +356,7 @@ static bool path_on_device(struct blockdev_info *bd_info, static void boot_editor_find_device(struct boot_editor *boot_editor, - struct pb_boot_data *bd, const struct system_info *sysinfo, - char **image, char **initrd, char **dtb) + struct pb_boot_data *bd, const struct system_info *sysinfo) { struct blockdev_info *bd_info, *tmp; unsigned int i, len; @@ -349,12 +389,81 @@ static void boot_editor_find_device(struct boot_editor *boot_editor, /* ok, we match; preselect the device option, and remove the common * prefix */ boot_editor->selected_device = bd_info->name; - *image += len; + boot_editor->image += len; + + if (boot_editor->initrd) + boot_editor->initrd += len; + if (boot_editor->dtb) + boot_editor->dtb += len; +} + +static void boot_editor_setup_widgets(struct boot_editor *boot_editor, + const struct system_info *sysinfo) +{ + struct nc_widgetset *set; + int field_size; + + field_size = COLS - 1 - boot_editor->field_x; + + boot_editor->widgetset = set = widgetset_create(boot_editor, + boot_editor->scr.main_ncw, + boot_editor->pad); + + widgetset_set_widget_focus(boot_editor->widgetset, + boot_editor_widget_focus, boot_editor); + + boot_editor->widgets.device_l = widget_new_label(set, 0, 0, "device:"); + boot_editor->widgets.device_f = widget_new_select(set, 0, 0, + field_size); + widget_select_on_change(boot_editor->widgets.device_f, + boot_editor_device_select_change, boot_editor); + + boot_editor_populate_device_select(boot_editor, sysinfo); + + boot_editor->widgets.image_l = widget_new_label(set, 0, 0, "image:"); + boot_editor->widgets.image_f = widget_new_textbox(set, 0, 0, + field_size, boot_editor->image); + + boot_editor->widgets.initrd_l = widget_new_label(set, 0, 0, "initrd:"); + boot_editor->widgets.initrd_f = widget_new_textbox(set, 0, 0, + field_size, + boot_editor->initrd); + + boot_editor->widgets.dtb_l = widget_new_label(set, 0, 0, "dtb:"); + boot_editor->widgets.dtb_f = widget_new_textbox(set, 0, 0, + field_size, boot_editor->dtb); - if (*initrd) - *initrd += len; - if (*dtb) - *dtb += len; + boot_editor->widgets.args_l = widget_new_label(set, 0, 0, "args:"); + boot_editor->widgets.args_f = widget_new_textbox(set, 0, 0, + field_size, boot_editor->args); + + boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 6, + "OK", ok_click, boot_editor); + boot_editor->widgets.cancel_b = widget_new_button(set, 0, 0, 6, + "Cancel", cancel_click, boot_editor); +} + +void boot_editor_update(struct boot_editor *boot_editor, + const struct system_info *sysinfo) +{ + int height; + + widgetset_unpost(boot_editor->widgetset); + + height = pad_height(sysinfo ? sysinfo->n_blockdevs : 0); + if (getmaxy(boot_editor->pad) < height) { + delwin(boot_editor->pad); + boot_editor->pad = newpad(height, COLS); + widgetset_set_windows(boot_editor->widgetset, + boot_editor->scr.main_ncw, + boot_editor->pad); + } + + boot_editor_populate_device_select(boot_editor, sysinfo); + + widgetset_post(boot_editor->widgetset); + + pad_refresh(boot_editor); } struct boot_editor *boot_editor_init(struct cui *cui, @@ -364,12 +473,7 @@ struct boot_editor *boot_editor_init(struct cui *cui, struct pmenu_item *item, struct pb_boot_data *bd)) { - char *image, *initrd, *dtb, *args; struct boot_editor *boot_editor; - struct nc_widgetset *set; - int field_size; - - (void)sysinfo; boot_editor = talloc_zero(cui, struct boot_editor); @@ -396,50 +500,21 @@ struct boot_editor *boot_editor_init(struct cui *cui, if (item) { struct pb_boot_data *bd = cod_from_item(item)->bd; - image = bd->image; - initrd = bd->initrd; - dtb = bd->dtb; - args = bd->args; - boot_editor_find_device(boot_editor, bd, sysinfo, - &image, &initrd, &dtb); + boot_editor->image = bd->image; + boot_editor->initrd = bd->initrd; + boot_editor->dtb = bd->dtb; + boot_editor->args = bd->args; + boot_editor_find_device(boot_editor, bd, sysinfo); } else { - image = initrd = dtb = args = ""; + boot_editor->image = boot_editor->initrd = + boot_editor->dtb = boot_editor->args = ""; } - field_size = COLS - 1 - boot_editor->field_x; - - boot_editor->widgetset = set = widgetset_create(boot_editor, - boot_editor->scr.main_ncw, - boot_editor->scr.sub_ncw); - - boot_editor->widgets.device_l = widget_new_label(set, 0, 0, "device:"); - boot_editor->widgets.device_f = widget_new_select(set, 0, 0, - field_size); - widget_select_on_change(boot_editor->widgets.device_f, - boot_editor_device_select_change, boot_editor); + boot_editor->pad = newpad( + pad_height(sysinfo ? sysinfo->n_blockdevs : 0), + COLS); - boot_editor_populate_device_select(boot_editor, sysinfo); - - boot_editor->widgets.image_l = widget_new_label(set, 0, 0, "image:"); - boot_editor->widgets.image_f = widget_new_textbox(set, 0, 0, - field_size, image); - - boot_editor->widgets.initrd_l = widget_new_label(set, 0, 0, "initrd:"); - boot_editor->widgets.initrd_f = widget_new_textbox(set, 0, 0, - field_size, initrd); - - boot_editor->widgets.dtb_l = widget_new_label(set, 0, 0, "dtb:"); - boot_editor->widgets.dtb_f = widget_new_textbox(set, 0, 0, - field_size, dtb); - - boot_editor->widgets.args_l = widget_new_label(set, 0, 0, "args:"); - boot_editor->widgets.args_f = widget_new_textbox(set, 0, 0, - field_size, args); - - boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 6, - "OK", ok_click, boot_editor); - boot_editor->widgets.cancel_b = widget_new_button(set, 0, 0, 6, - "Cancel", cancel_click, boot_editor); + boot_editor_setup_widgets(boot_editor, sysinfo); boot_editor_layout_widgets(boot_editor);