C++ (Cpp) ui_browser__reset_index Examples

Example #1

File: browser.c Project: 3sOx/asuswrt-merlin

int ui_browser__run(struct ui_browser *self, struct newtExitStruct *es)
{
	if (ui_browser__refresh(self) < 0)
		return -1;

	while (1) {
		off_t offset;

		newtFormRun(self->form, es);

		if (es->reason != NEWT_EXIT_HOTKEY)
			break;
		if (is_exit_key(es->u.key))
			return es->u.key;
		switch (es->u.key) {
		case NEWT_KEY_DOWN:
			if (self->index == self->nr_entries - 1)
				break;
			++self->index;
			if (self->index == self->top_idx + self->height) {
				++self->top_idx;
				self->seek(self, +1, SEEK_CUR);
			}
			break;
		case NEWT_KEY_UP:
			if (self->index == 0)
				break;
			--self->index;
			if (self->index < self->top_idx) {
				--self->top_idx;
				self->seek(self, -1, SEEK_CUR);
			}
			break;
		case NEWT_KEY_PGDN:
		case ' ':
			if (self->top_idx + self->height > self->nr_entries - 1)
				break;

			offset = self->height;
			if (self->index + offset > self->nr_entries - 1)
				offset = self->nr_entries - 1 - self->index;
			self->index += offset;
			self->top_idx += offset;
			self->seek(self, +offset, SEEK_CUR);
			break;
		case NEWT_KEY_PGUP:
			if (self->top_idx == 0)
				break;

			if (self->top_idx < self->height)
				offset = self->top_idx;
			else
				offset = self->height;

			self->index -= offset;
			self->top_idx -= offset;
			self->seek(self, -offset, SEEK_CUR);
			break;
		case NEWT_KEY_HOME:
			ui_browser__reset_index(self);
			break;
		case NEWT_KEY_END:
			offset = self->height - 1;
			if (offset >= self->nr_entries)
				offset = self->nr_entries - 1;

			self->index = self->nr_entries - 1;
			self->top_idx = self->index - offset;
			self->seek(self, -offset, SEEK_END);
			break;
		default:
			return es->u.key;
		}
		if (ui_browser__refresh(self) < 0)
			return -1;
	}
	return 0;
}

Example #2

File: browser.c Project: mikuhatsune001/linux2.6.32

int ui_browser__run(struct ui_browser *browser, int delay_secs)
{
	int err, key;

	while (1) {
		off_t offset;

		pthread_mutex_lock(&ui__lock);
		err = __ui_browser__refresh(browser);
		SLsmg_refresh();
		pthread_mutex_unlock(&ui__lock);
		if (err < 0)
			break;

		key = ui__getch(delay_secs);

		if (key == K_RESIZE) {
			ui__refresh_dimensions(false);
			browser->refresh_dimensions(browser);
			__ui_browser__show_title(browser, browser->title);
			ui_helpline__puts(browser->helpline);
			continue;
		}

		if (browser->use_navkeypressed && !browser->navkeypressed) {
			if (key == K_DOWN || key == K_UP ||
			    key == K_PGDN || key == K_PGUP ||
			    key == K_HOME || key == K_END ||
			    key == ' ') {
				browser->navkeypressed = true;
				continue;
			} else
				return key;
		}

		switch (key) {
		case K_DOWN:
			if (browser->index == browser->nr_entries - 1)
				break;
			++browser->index;
			if (browser->index == browser->top_idx + browser->rows) {
				++browser->top_idx;
				browser->seek(browser, +1, SEEK_CUR);
			}
			break;
		case K_UP:
			if (browser->index == 0)
				break;
			--browser->index;
			if (browser->index < browser->top_idx) {
				--browser->top_idx;
				browser->seek(browser, -1, SEEK_CUR);
			}
			break;
		case K_PGDN:
		case ' ':
			if (browser->top_idx + browser->rows > browser->nr_entries - 1)
				break;

			offset = browser->rows;
			if (browser->index + offset > browser->nr_entries - 1)
				offset = browser->nr_entries - 1 - browser->index;
			browser->index += offset;
			browser->top_idx += offset;
			browser->seek(browser, +offset, SEEK_CUR);
			break;
		case K_PGUP:
			if (browser->top_idx == 0)
				break;

			if (browser->top_idx < browser->rows)
				offset = browser->top_idx;
			else
				offset = browser->rows;

			browser->index -= offset;
			browser->top_idx -= offset;
			browser->seek(browser, -offset, SEEK_CUR);
			break;
		case K_HOME:
			ui_browser__reset_index(browser);
			break;
		case K_END:
			offset = browser->rows - 1;
			if (offset >= browser->nr_entries)
				offset = browser->nr_entries - 1;

			browser->index = browser->nr_entries - 1;
			browser->top_idx = browser->index - offset;
			browser->seek(browser, -offset, SEEK_END);
			break;
		default:
			return key;
		}
	}
	return -1;
}