The Battle for Wesnoth  1.17.0-dev
generator_settings.cpp
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1 /*
2  Copyright (C) 2010 - 2021
3  Part of the Battle for Wesnoth Project https://www.wesnoth.org/
4 
5  This program is free software; you can redistribute it and/or modify
6  it under the terms of the GNU General Public License as published by
7  the Free Software Foundation; either version 2 of the License, or
8  (at your option) any later version.
9  This program is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY.
11 
12  See the COPYING file for more details.
13 */
14 
15 #define GETTEXT_DOMAIN "wesnoth-lib"
16 
18 
19 #include "formatter.hpp"
20 #include "gui/auxiliary/field.hpp"
21 #include "gui/widgets/settings.hpp"
22 #include "gui/widgets/slider.hpp"
24 #include "gettext.hpp"
25 
26 #include <functional>
27 
28 namespace gui2::dialogs
29 {
30 
31 static int max_coastal = 5;
32 static int extra_size_per_player = 2;
33 static int min_size = 20;
34 
36 
38  : players_(register_integer("players", true, data.nplayers))
39  , width_(register_integer("width", true, data.width))
40  , height_(register_integer("height", true, data.height))
41  , update_width_label_()
42  , update_height_label_()
43 {
44  register_integer("hills_num", true, data.iterations);
45  register_integer("hills_size", true, data.hill_size);
46  register_integer("villages", true, data.nvillages);
47  register_integer("castle_size", true, data.castle_size);
48  register_integer("landform", true, data.island_size);
49 
50  register_bool("connect_castles", true, data.link_castles);
51  register_bool("show_labels", true, data.show_labels);
52 }
53 
55 {
56  // We adjust the minimum values of the width and height sliders when the number of players changes.
57  // This is done because the map generator needs more space to generate more castles for more players.
60 
61  gui2::bind_status_label<slider>(&window, "players");
62 
63  update_width_label_ = gui2::bind_status_label<slider>(&window, "width");
64  update_height_label_ = gui2::bind_status_label<slider>(&window, "height");
65 
66  // Update min size initially.
67  // Do this *after* assigning the 'update_*_label_` functions or the game will crash!
69 
70  gui2::bind_status_label<slider>(&window, "villages", [](const slider& s) { return t_string(formatter() << s.get_value() << _("/1000 tiles")); });
71  gui2::bind_status_label<slider>(&window, "castle_size");
72  gui2::bind_status_label<slider>(&window, "landform", [](const slider& s) {
73  return s.get_value() == 0 ? _("Inland") : (s.get_value() < max_coastal ? _("Coastal") : _("Island")); });
74 }
75 
77 {
78  const int extra_size = (players_->get_widget_value(*get_window()) - 2) * extra_size_per_player;
79 
80  const auto update_dimension_slider = [&](field_integer* field) {
81  slider& w = dynamic_cast<slider&>(*field->get_widget());
82  w.set_value_range(min_size + extra_size, w.get_maximum_value());
83  };
84 
85  update_dimension_slider(width_);
86  update_dimension_slider(height_);
87 
90 }
91 
92 } // namespace dialogs
static void field(LexState *ls, ConsControl *cc)
Definition: lparser.cpp:891
window * get_window() const
Returns a pointer to the dialog&#39;s window.
T get_widget_value(window &window)
Gets the value of the field.
Definition: field.hpp:396
Implements some helper classes to ease adding fields to a dialog and hide the synchronization needed...
field_integer * players_
We need to own these fields to access the underlying widget.
static std::string _(const char *str)
Definition: gettext.hpp:93
virtual void pre_show(window &window) override
The execute function.
static int extra_size_per_player
void set_value_range(int min_value, int max_value)
Definition: slider.cpp:249
virtual int get_maximum_value() const override
Inherited from integer_selector.
Definition: slider.hpp:91
void connect_signal_notify_modified(dispatcher &dispatcher, const signal_notification_function &signal)
Connects a signal handler for getting a notification upon modification.
Definition: dispatcher.cpp:187
This file contains the settings handling of the widget library.
std::ostringstream wrapper.
Definition: formatter.hpp:39
std::function< void()> update_width_label_
std::function< void()> update_height_label_
styled_widget * get_widget()
Definition: field.hpp:207
static map_location::DIRECTION s
int w
A slider is a control that can select a value by moving a grip on a groove.
Definition: slider.hpp:59
static int max_coastal
base class of top level items, the only item which needs to store the final canvases to draw on...
Definition: window.hpp:65
Template class to implement the generic field implementation.
Definition: field-fwd.hpp:36