1 /*
2 * Copyright (C) 2002-2020 by the Widelands Development Team
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 *
18 */
19
20 #include "wui/soldiercapacitycontrol.h"
21
22 #include "graphic/graphic.h"
23 #include "logic/map_objects/tribes/soldiercontrol.h"
24 #include "logic/player.h"
25 #include "ui_basic/button.h"
26 #include "ui_basic/radiobutton.h"
27 #include "ui_basic/textarea.h"
28 #include "wui/interactive_gamebase.h"
29
30 using Widelands::SoldierControl;
31
32 /**
33 * Widget to control the capacity of \ref MilitaryBuilding and \ref TrainingSite
34 * via \ref SoldierControl
35 */
36 struct SoldierCapacityControl : UI::Box {
37 SoldierCapacityControl(UI::Panel* parent,
38 InteractiveGameBase& igb,
39 Widelands::Building& building);
40
41 protected:
42 void think() override;
43
44 private:
45 void change_soldier_capacity(int delta);
46 void click_decrease();
47 void click_increase();
48
49 InteractiveGameBase& igbase_;
50 Widelands::Building& building_;
51
52 UI::Button decrease_;
53 UI::Button increase_;
54 UI::Textarea value_;
55 };
56
SoldierCapacityControl(UI::Panel * parent,InteractiveGameBase & igb,Widelands::Building & building)57 SoldierCapacityControl::SoldierCapacityControl(UI::Panel* parent,
58 InteractiveGameBase& igb,
59 Widelands::Building& building)
60 : Box(parent, 0, 0, Horizontal),
61 igbase_(igb),
62 building_(building),
63 decrease_(this,
64 "decrease",
65 0,
66 0,
67 32,
68 32,
69 UI::ButtonStyle::kWuiMenu,
70 g_gr->images().get("images/wui/buildings/menu_down_train.png"),
71 _("Decrease capacity. Hold down Ctrl to set the capacity to the lowest value")),
72 increase_(this,
73 "increase",
74 0,
75 0,
76 32,
77 32,
78 UI::ButtonStyle::kWuiMenu,
79 g_gr->images().get("images/wui/buildings/menu_up_train.png"),
80 _("Increase capacity. Hold down Ctrl to set the capacity to the highest value")),
81 value_(this, "199", UI::Align::kCenter) {
82 decrease_.sigclicked.connect([this]() { click_decrease(); });
83 increase_.sigclicked.connect([this]() { click_increase(); });
84
85 add(new UI::Textarea(this, _("Capacity")), UI::Box::Resizing::kAlign, UI::Align::kCenter);
86 add(&decrease_, UI::Box::Resizing::kAlign, UI::Align::kCenter);
87 add(&value_, UI::Box::Resizing::kAlign, UI::Align::kCenter);
88 add(&increase_, UI::Box::Resizing::kAlign, UI::Align::kCenter);
89
90 decrease_.set_repeating(true);
91 increase_.set_repeating(true);
92
93 set_thinks(true);
94 }
95
think()96 void SoldierCapacityControl::think() {
97 const SoldierControl* soldiers = building_.soldier_control();
98 assert(soldiers != nullptr);
99 uint32_t const capacity = soldiers->soldier_capacity();
100 value_.set_text(boost::lexical_cast<std::string>(capacity));
101
102 bool const can_act = igbase_.can_act(building_.owner().player_number());
103 decrease_.set_enabled(can_act && soldiers->min_soldier_capacity() < capacity);
104 increase_.set_enabled(can_act && soldiers->max_soldier_capacity() > capacity);
105 }
106
change_soldier_capacity(int delta)107 void SoldierCapacityControl::change_soldier_capacity(int delta) {
108 igbase_.game().send_player_change_soldier_capacity(building_, delta);
109 }
110
click_decrease()111 void SoldierCapacityControl::click_decrease() {
112 const SoldierControl* soldiers = building_.soldier_control();
113 assert(soldiers);
114 change_soldier_capacity((SDL_GetModState() & KMOD_CTRL) ?
115 soldiers->min_soldier_capacity() - soldiers->soldier_capacity() :
116 -1);
117 }
118
click_increase()119 void SoldierCapacityControl::click_increase() {
120 const SoldierControl* soldiers = building_.soldier_control();
121 assert(soldiers);
122 change_soldier_capacity((SDL_GetModState() & KMOD_CTRL) ?
123 soldiers->max_soldier_capacity() - soldiers->soldier_capacity() :
124 1);
125 }
126
create_soldier_capacity_control(UI::Panel & parent,InteractiveGameBase & igb,Widelands::Building & building)127 UI::Panel* create_soldier_capacity_control(UI::Panel& parent,
128 InteractiveGameBase& igb,
129 Widelands::Building& building) {
130 return new SoldierCapacityControl(&parent, igb, building);
131 }
132
