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Diffstat (limited to 'dialogline.cc')
| -rw-r--r-- | dialogline.cc | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/dialogline.cc b/dialogline.cc new file mode 100644 index 0000000..35d501a --- /dev/null +++ b/dialogline.cc @@ -0,0 +1,178 @@ +// Copyright (C) 2003 Mooffie <mooffie@typo.co.il> +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// 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, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + +#include <config.h> + +#include <stdarg.h> + +#include "dialogline.h" +#include "editor.h" +#include "inputline.h" +#include "question.h" +#include "dbg.h" + +DialogLine::DialogLine(Editor *aApp) +{ + app = aApp; + modal_widget = NULL; + transient = false; +} + +void DialogLine::resize(int lines, int columns, int y, int x) +{ + Label::resize(lines, columns, y, x); + if (modal_widget) + modal_widget->resize(lines, columns, y, x); +} + +void DialogLine::show_message(const char *msg) +{ + set_text(msg); + transient = true; +} + +void DialogLine::show_error_message(const char *msg) +{ + set_text(msg); + transient = false; +} + +void DialogLine::show_message_fmt(const char *fmt, ...) +{ + u8string msg; + va_list ap; + va_start(ap, fmt); + msg.vcformat(fmt, ap); + va_end(ap); + show_message(msg.c_str()); +} + +INTERACTIVE void DialogLine::layout_windows() +{ + app->layout_windows(); + // move the cursor back to the modal widget + if (modal_widget) + modal_widget->invalidate_view(); +} + +INTERACTIVE void DialogLine::refresh() +{ + app->refresh(); + // move the cursor back to the modal widget + if (modal_widget) + modal_widget->invalidate_view(); +} + +void DialogLine::clear_transient_message() +{ + if (!empty() && transient) + set_text(""); +} + +INTERACTIVE void DialogLine::cancel_modal() +{ + modal_canceled = true; +} + +// modalize() - does event pumping on some interactive widget. + +void DialogLine::modalize(Widget *wgt) +{ + modal_widget = wgt; + wgt->resize(window_height(), window_width(), window_begy(), window_begx()); + modal_canceled = false; + while (wgt->is_modal() && !modal_canceled) { + Event evt; + wgt->update(); + doupdate(); + get_next_event(evt, wgt->wnd); + if (!handle_event(evt)) + wgt->handle_event(evt); + } + modal_widget = NULL; + show_message(modal_canceled ? _("Canceled") : ""); +} + +bool DialogLine::ask_yes_or_no(const char *msg, bool *canceled) +{ + Question ipt(msg); + modalize(&ipt); + if (canceled) + *canceled = modal_canceled; + return modal_canceled ? false : ipt.get_answer(); +} + +int DialogLine::get_number(const char *msg, int default_num, bool *canceled) +{ + u8string cstrnum; + cstrnum.cformat("%d", default_num); + unistring strnum; + strnum.init_from_utf8(cstrnum.c_str()); + InputLine ipt(msg, strnum); + modalize(&ipt); + if (canceled) + *canceled = modal_canceled; + if (modal_canceled) { + return 0; + } else { + cstrnum.init_from_unichars(ipt.get_text()); + return atoi(cstrnum.c_str()); + } +} + +unistring DialogLine::query(const char *msg, const char *default_text, + int history_set, InputLine::CompleteType complete, + bool *alt_kbd) +{ + unistring text; + text.init_from_utf8(default_text); + return query(msg, text, history_set, complete, alt_kbd); +} + +unistring DialogLine::query(const char *msg, const unistring &default_text, + int history_set, InputLine::CompleteType complete, + bool *alt_kbd) +{ + InputLine ipt(msg, default_text, history_set, complete); + if (alt_kbd) + ipt.set_alt_kbd(*alt_kbd); + modalize(&ipt); + if (alt_kbd) + *alt_kbd = ipt.get_alt_kbd(); + return modal_canceled ? unistring() : ipt.get_text(); +} + +void DialogLine::update() +{ + if (modal_widget) + modal_widget->update(); + else + Label::update(); +} + +// immediate_update() - called when we want to update the terminal +// immediately, without having to wait for the event pump. As an intentional +// side effect, the terminal cursor moves to this window. +// TODO: move to the Widget class? + +void DialogLine::immediate_update() +{ + if (terminal::is_interactive()) { + update(); + doupdate(); + } +} + |