2 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
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.
14 // You should have received a copy of the GNU General Public License
15 // along with this program. If not, see <http://www.gnu.org/licenses/>.
17 #include "gui/menu.hpp"
22 #include "control/input_manager.hpp"
23 #include "gui/menu_item.hpp"
24 #include "gui/menu_manager.hpp"
25 #include "gui/mousecursor.hpp"
26 #include "supertux/colorscheme.hpp"
27 #include "supertux/globals.hpp"
28 #include "supertux/resources.hpp"
29 #include "supertux/screen_manager.hpp"
30 #include "supertux/timer.hpp"
31 #include "util/gettext.hpp"
32 #include "video/drawing_context.hpp"
33 #include "video/font.hpp"
34 #include "video/renderer.hpp"
35 #include "video/video_system.hpp"
37 static const float MENU_REPEAT_INITIAL = 0.4f;
38 static const float MENU_REPEAT_RATE = 0.1f;
52 pos.x = SCREEN_WIDTH/2;
53 pos.y = SCREEN_HEIGHT/2;
63 Menu::set_center_pos(float x, float y)
69 /* Add an item to a menu */
71 Menu::add_item(std::unique_ptr<MenuItem> new_item)
73 items.push_back(std::move(new_item));
74 MenuItem* item = items.back().get();
76 /* If a new menu is being built, the active item shouldn't be set to
77 * something that isn't selectable. Set the active_item to the first
78 * selectable item added.
81 && item->kind != MN_HL
82 && item->kind != MN_LABEL
83 && item->kind != MN_INACTIVE)
85 active_item = items.size() - 1;
94 std::unique_ptr<MenuItem> item(new MenuItem(MN_HL));
95 return add_item(std::move(item));
99 Menu::add_label(const std::string& text)
101 std::unique_ptr<MenuItem> item(new MenuItem(MN_LABEL));
103 return add_item(std::move(item));
107 Menu::add_controlfield(int id, const std::string& text,
108 const std::string& mapping)
110 std::unique_ptr<MenuItem> item(new MenuItem(MN_CONTROLFIELD, id));
111 item->change_text(text);
112 item->change_input(mapping);
113 return add_item(std::move(item));
117 Menu::add_entry(int id, const std::string& text)
119 std::unique_ptr<MenuItem> item(new MenuItem(MN_ACTION, id));
121 return add_item(std::move(item));
125 Menu::add_inactive(int id, const std::string& text)
127 std::unique_ptr<MenuItem> item(new MenuItem(MN_INACTIVE, id));
129 return add_item(std::move(item));
133 Menu::add_toggle(int id, const std::string& text, bool toogled)
135 std::unique_ptr<MenuItem> item(new MenuItem(MN_TOGGLE, id));
137 item->toggled = toogled;
138 return add_item(std::move(item));
142 Menu::add_string_select(int id, const std::string& text)
144 std::unique_ptr<MenuItem> item(new MenuItem(MN_STRINGSELECT, id));
146 return add_item(std::move(item));
150 Menu::add_back(const std::string& text)
152 std::unique_ptr<MenuItem> item(new MenuItem(MN_BACK));
154 return add_item(std::move(item));
158 Menu::add_submenu(const std::string& text, int submenu)
160 std::unique_ptr<MenuItem> item(new MenuItem(MN_GOTO));
162 item->target_menu = submenu;
163 return add_item(std::move(item));
174 Menu::process_input()
176 int menu_height = (int) get_height();
177 if (menu_height > SCREEN_HEIGHT)
179 int scroll_offset = (menu_height - SCREEN_HEIGHT) / 2 + 32;
180 pos.y = SCREEN_HEIGHT/2 - scroll_offset * ((float(active_item) / (items.size()-1)) - 0.5f) * 2.0f;
183 MenuAction menuaction = MENU_ACTION_NONE;
184 Controller* controller = InputManager::current()->get_controller();
185 /** check main input controller... */
186 if(controller->pressed(Controller::UP)) {
187 menuaction = MENU_ACTION_UP;
188 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
190 if(controller->hold(Controller::UP) &&
191 menu_repeat_time != 0 && real_time > menu_repeat_time) {
192 menuaction = MENU_ACTION_UP;
193 menu_repeat_time = real_time + MENU_REPEAT_RATE;
196 if(controller->pressed(Controller::DOWN)) {
197 menuaction = MENU_ACTION_DOWN;
198 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
200 if(controller->hold(Controller::DOWN) &&
201 menu_repeat_time != 0 && real_time > menu_repeat_time) {
202 menuaction = MENU_ACTION_DOWN;
203 menu_repeat_time = real_time + MENU_REPEAT_RATE;
206 if(controller->pressed(Controller::LEFT)) {
207 menuaction = MENU_ACTION_LEFT;
208 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
210 if(controller->hold(Controller::LEFT) &&
211 menu_repeat_time != 0 && real_time > menu_repeat_time) {
212 menuaction = MENU_ACTION_LEFT;
213 menu_repeat_time = real_time + MENU_REPEAT_RATE;
216 if(controller->pressed(Controller::RIGHT)) {
217 menuaction = MENU_ACTION_RIGHT;
218 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
220 if(controller->hold(Controller::RIGHT) &&
221 menu_repeat_time != 0 && real_time > menu_repeat_time) {
222 menuaction = MENU_ACTION_RIGHT;
223 menu_repeat_time = real_time + MENU_REPEAT_RATE;
226 if(controller->pressed(Controller::ACTION)
227 || controller->pressed(Controller::MENU_SELECT)) {
228 menuaction = MENU_ACTION_HIT;
230 if(controller->pressed(Controller::ESCAPE) ||
231 controller->pressed(Controller::START) ||
232 controller->pressed(Controller::MENU_BACK)) {
233 menuaction = MENU_ACTION_BACK;
236 if(items.size() == 0)
239 // The menu_action() call can pop() the menu from the stack and thus
240 // delete it, so it's important that no further member variables are
241 // accessed after this call
242 process_action(menuaction);
246 Menu::process_action(MenuAction menuaction)
248 int last_active_item = active_item;
255 active_item = int(items.size())-1;
256 } while ((items[active_item]->kind == MN_HL
257 || items[active_item]->kind == MN_LABEL
258 || items[active_item]->kind == MN_INACTIVE)
259 && (active_item != last_active_item));
263 case MENU_ACTION_DOWN:
265 if(active_item < int(items.size())-1 )
269 } while ((items[active_item]->kind == MN_HL
270 || items[active_item]->kind == MN_LABEL
271 || items[active_item]->kind == MN_INACTIVE)
272 && (active_item != last_active_item));
276 case MENU_ACTION_LEFT:
277 if(items[active_item]->kind == MN_STRINGSELECT) {
278 if(items[active_item]->selected > 0)
279 items[active_item]->selected--;
281 items[active_item]->selected = items[active_item]->list.size()-1;
283 menu_action(items[active_item].get());
287 case MENU_ACTION_RIGHT:
288 if(items[active_item]->kind == MN_STRINGSELECT) {
289 if(items[active_item]->selected+1 < items[active_item]->list.size())
290 items[active_item]->selected++;
292 items[active_item]->selected = 0;
294 menu_action(items[active_item].get());
298 case MENU_ACTION_HIT: {
299 switch (items[active_item]->kind) {
301 assert(items[active_item]->target_menu != 0);
302 MenuManager::instance().push_menu(items[active_item]->target_menu);
306 items[active_item]->toggled = !items[active_item]->toggled;
307 menu_action(items[active_item].get());
310 case MN_CONTROLFIELD:
311 menu_action(items[active_item].get());
315 menu_action(items[active_item].get());
318 case MN_STRINGSELECT:
319 if(items[active_item]->selected+1 < items[active_item]->list.size())
320 items[active_item]->selected++;
322 items[active_item]->selected = 0;
324 menu_action(items[active_item].get());
329 menuaction = MENU_ACTION_DOWN;
334 MenuManager::instance().pop_menu();
343 case MENU_ACTION_REMOVE:
344 if(items[active_item]->kind == MN_TEXTFIELD
345 || items[active_item]->kind == MN_NUMFIELD)
347 if(!items[active_item]->input.empty())
349 int i = items[active_item]->input.size();
351 while(delete_character > 0) /* remove characters */
353 items[active_item]->input.resize(i-1);
360 case MENU_ACTION_INPUT:
361 if(items[active_item]->kind == MN_TEXTFIELD
362 || (items[active_item]->kind == MN_NUMFIELD
363 && mn_input_char >= '0' && mn_input_char <= '9'))
365 items[active_item]->input.push_back(mn_input_char);
369 case MENU_ACTION_BACK:
370 MenuManager::instance().pop_menu();
373 case MENU_ACTION_NONE:
379 Menu::draw_item(DrawingContext& context, int index)
381 float menu_height = get_height();
382 float menu_width = get_width();
384 MenuItem& pitem = *(items[index]);
386 Color text_color = ColorScheme::Menu::default_color;
388 float y_pos = pos.y + 24*index - menu_height/2 + 12;
389 int text_width = int(Resources::normal_font->get_text_width(pitem.text));
390 int input_width = int(Resources::normal_font->get_text_width(pitem.input) + 10);
393 float left = pos.x - menu_width/2 + 16;
394 float right = pos.x + menu_width/2 - 16;
396 if(pitem.list.size() > 0) {
397 list_width = (int) Resources::normal_font->get_text_width(pitem.list[pitem.selected]);
401 x_pos += 24 - menu_width/2 + (text_width + input_width + list_width)/2;
403 if(index == active_item)
405 text_color = ColorScheme::Menu::active_color;
408 if(active_item == index)
410 float blink = (sinf(real_time * M_PI * 1.0f)/2.0f + 0.5f) * 0.5f + 0.25f;
411 context.draw_filled_rect(Rectf(Vector(pos.x - menu_width/2 + 10 - 2, y_pos - 12 - 2),
412 Vector(pos.x + menu_width/2 - 10 + 2, y_pos + 12 + 2)),
413 Color(1.0f, 1.0f, 1.0f, blink),
416 context.draw_filled_rect(Rectf(Vector(pos.x - menu_width/2 + 10, y_pos - 12),
417 Vector(pos.x + menu_width/2 - 10, y_pos + 12)),
418 Color(1.0f, 1.0f, 1.0f, 0.5f),
427 context.draw_text(Resources::normal_font, pitem.text,
428 Vector(pos.x, y_pos - int(Resources::normal_font->get_height()/2)),
429 ALIGN_CENTER, LAYER_GUI, ColorScheme::Menu::inactive_color);
436 float x = pos.x - menu_width/2;
437 float y = y_pos - 12;
438 /* Draw a horizontal line with a little 3d effect */
439 context.draw_filled_rect(Vector(x, y + 6),
440 Vector(menu_width, 4),
441 Color(0.6f, 0.7f, 1.0f, 1.0f), LAYER_GUI);
442 context.draw_filled_rect(Vector(x, y + 6),
443 Vector(menu_width, 2),
444 Color(1.0f, 1.0f, 1.0f, 1.0f), LAYER_GUI);
449 context.draw_text(Resources::big_font, pitem.text,
450 Vector(pos.x, y_pos - int(Resources::big_font->get_height()/2)),
451 ALIGN_CENTER, LAYER_GUI, ColorScheme::Menu::label_color);
456 case MN_CONTROLFIELD:
458 if(pitem.kind == MN_TEXTFIELD || pitem.kind == MN_NUMFIELD)
460 if(active_item == index)
461 context.draw_text(Resources::normal_font,
462 pitem.get_input_with_symbol(true),
463 Vector(right, y_pos - int(Resources::normal_font->get_height()/2)),
464 ALIGN_RIGHT, LAYER_GUI, ColorScheme::Menu::field_color);
466 context.draw_text(Resources::normal_font,
467 pitem.get_input_with_symbol(false),
468 Vector(right, y_pos - int(Resources::normal_font->get_height()/2)),
469 ALIGN_RIGHT, LAYER_GUI, ColorScheme::Menu::field_color);
472 context.draw_text(Resources::normal_font, pitem.input,
473 Vector(right, y_pos - int(Resources::normal_font->get_height()/2)),
474 ALIGN_RIGHT, LAYER_GUI, ColorScheme::Menu::field_color);
476 context.draw_text(Resources::normal_font, pitem.text,
477 Vector(left, y_pos - int(Resources::normal_font->get_height()/2)),
478 ALIGN_LEFT, LAYER_GUI, text_color);
481 case MN_STRINGSELECT:
483 float roff = Resources::arrow_left->get_width();
485 context.draw_text(Resources::normal_font, pitem.text,
486 Vector(left, y_pos - int(Resources::normal_font->get_height()/2)),
487 ALIGN_LEFT, LAYER_GUI, text_color);
490 context.draw_surface(Resources::arrow_left,
491 Vector(right - list_width - roff - roff, y_pos - 8),
493 context.draw_surface(Resources::arrow_right,
494 Vector(right - roff, y_pos - 8),
496 context.draw_text(Resources::normal_font, pitem.list[pitem.selected],
497 Vector(right - roff, y_pos - int(Resources::normal_font->get_height()/2)),
498 ALIGN_RIGHT, LAYER_GUI, text_color);
503 context.draw_text(Resources::Resources::normal_font, pitem.text,
504 Vector(pos.x, y_pos - int(Resources::normal_font->get_height()/2)),
505 ALIGN_CENTER, LAYER_GUI, text_color);
506 context.draw_surface(Resources::back,
507 Vector(x_pos + text_width/2 + 16, y_pos - 8),
514 context.draw_text(Resources::normal_font, pitem.text,
515 Vector(pos.x - menu_width/2 + 16, y_pos - (Resources::normal_font->get_height()/2)),
516 ALIGN_LEFT, LAYER_GUI, text_color);
519 context.draw_surface(Resources::checkbox_checked,
520 Vector(x_pos + (menu_width/2-16) - Resources::checkbox->get_width(), y_pos - 8),
523 context.draw_surface(Resources::checkbox,
524 Vector(x_pos + (menu_width/2-16) - Resources::checkbox->get_width(), y_pos - 8),
529 context.draw_text(Resources::normal_font, pitem.text,
530 Vector(pos.x, y_pos - int(Resources::normal_font->get_height()/2)),
531 ALIGN_CENTER, LAYER_GUI, text_color);
535 context.draw_text(Resources::normal_font, pitem.text,
536 Vector(pos.x, y_pos - int(Resources::normal_font->get_height()/2)),
537 ALIGN_CENTER, LAYER_GUI, text_color);
543 Menu::get_width() const
545 /* The width of the menu has to be more than the width of the text
546 with the most characters */
547 float menu_width = 0;
548 for(unsigned int i = 0; i < items.size(); ++i)
550 FontPtr font = Resources::Resources::normal_font;
551 if(items[i]->kind == MN_LABEL)
552 font = Resources::big_font;
554 float w = font->get_text_width(items[i]->text) +
555 Resources::big_font->get_text_width(items[i]->input) + 16;
556 if(items[i]->kind == MN_TOGGLE)
558 if (items[i]->kind == MN_STRINGSELECT)
559 w += font->get_text_width(items[i]->list[items[i]->selected]) + 32;
566 return menu_width + 24;
570 Menu::get_height() const
572 return items.size() * 24;
576 Menu::on_window_resize()
578 pos.x = SCREEN_WIDTH / 2;
579 pos.y = SCREEN_HEIGHT / 2;
583 Menu::draw(DrawingContext& context)
585 if (!items[active_item]->help.empty())
587 int text_width = (int) Resources::normal_font->get_text_width(items[active_item]->help);
588 int text_height = (int) Resources::normal_font->get_text_height(items[active_item]->help);
590 Rectf text_rect(pos.x - text_width/2 - 8,
591 SCREEN_HEIGHT - 48 - text_height/2 - 4,
592 pos.x + text_width/2 + 8,
593 SCREEN_HEIGHT - 48 + text_height/2 + 4);
595 context.draw_filled_rect(Rectf(text_rect.p1 - Vector(4,4),
596 text_rect.p2 + Vector(4,4)),
597 Color(0.2f, 0.3f, 0.4f, 0.8f),
601 context.draw_filled_rect(text_rect,
602 Color(0.6f, 0.7f, 0.8f, 0.5f),
606 context.draw_text(Resources::normal_font, items[active_item]->help,
607 Vector(pos.x, SCREEN_HEIGHT - 48 - text_height/2),
608 ALIGN_CENTER, LAYER_GUI);
611 for(unsigned int i = 0; i < items.size(); ++i)
613 draw_item(context, i);
618 Menu::get_item_by_id(int id)
620 for (const auto& item : items)
628 throw std::runtime_error("MenuItem not found: " + std::to_string(id));
632 Menu::get_item_by_id(int id) const
634 for (const auto& item : items)
642 throw std::runtime_error("MenuItem not found");
645 int Menu::get_active_item_id()
647 return items[active_item]->id;
651 Menu::is_toggled(int id) const
653 return get_item_by_id(id).toggled;
657 Menu::set_toggled(int id, bool toggled)
659 get_item_by_id(id).toggled = toggled;
663 Menu::event(const SDL_Event& ev)
666 case SDL_MOUSEBUTTONDOWN:
667 if(ev.button.button == SDL_BUTTON_LEFT)
669 Vector mouse_pos = VideoSystem::current()->get_renderer().to_logical(ev.motion.x, ev.motion.y);
670 int x = int(mouse_pos.x);
671 int y = int(mouse_pos.y);
673 if(x > pos.x - get_width()/2 &&
674 x < pos.x + get_width()/2 &&
675 y > pos.y - get_height()/2 &&
676 y < pos.y + get_height()/2)
678 process_action(MENU_ACTION_HIT);
683 case SDL_MOUSEMOTION:
685 Vector mouse_pos = VideoSystem::current()->get_renderer().to_logical(ev.motion.x, ev.motion.y);
686 float x = mouse_pos.x;
687 float y = mouse_pos.y;
689 if(x > pos.x - get_width()/2 &&
690 x < pos.x + get_width()/2 &&
691 y > pos.y - get_height()/2 &&
692 y < pos.y + get_height()/2)
695 = static_cast<int> ((y - (pos.y - get_height()/2)) / 24);
697 /* only change the mouse focus to a selectable item */
698 if ((items[new_active_item]->kind != MN_HL)
699 && (items[new_active_item]->kind != MN_LABEL)
700 && (items[new_active_item]->kind != MN_INACTIVE))
701 active_item = new_active_item;
703 if(MouseCursor::current())
704 MouseCursor::current()->set_state(MC_LINK);
708 if(MouseCursor::current())
709 MouseCursor::current()->set_state(MC_NORMAL);
720 Menu::set_active_item(int id)
722 for(size_t i = 0; i < items.size(); ++i) {
723 if(items[i]->id == id) {