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/globals.hpp"
27 #include "supertux/resources.hpp"
28 #include "supertux/screen_manager.hpp"
29 #include "supertux/timer.hpp"
30 #include "util/gettext.hpp"
31 #include "video/drawing_context.hpp"
32 #include "video/font.hpp"
33 #include "video/renderer.hpp"
35 static const float MENU_REPEAT_INITIAL = 0.4f;
36 static const float MENU_REPEAT_RATE = 0.1f;
50 pos.x = SCREEN_WIDTH/2;
51 pos.y = SCREEN_HEIGHT/2;
61 Menu::set_center_pos(float x, float y)
67 /* Add an item to a menu */
69 Menu::add_item(std::unique_ptr<MenuItem> new_item)
71 items.push_back(std::move(new_item));
72 MenuItem* item = items.back().get();
74 /* If a new menu is being built, the active item shouldn't be set to
75 * something that isn't selectable. Set the active_item to the first
76 * selectable item added.
79 && item->kind != MN_HL
80 && item->kind != MN_LABEL
81 && item->kind != MN_INACTIVE)
83 active_item = items.size() - 1;
92 std::unique_ptr<MenuItem> item(new MenuItem(MN_HL));
93 return add_item(std::move(item));
97 Menu::add_label(const std::string& text)
99 std::unique_ptr<MenuItem> item(new MenuItem(MN_LABEL));
101 return add_item(std::move(item));
105 Menu::add_controlfield(int id, const std::string& text,
106 const std::string& mapping)
108 std::unique_ptr<MenuItem> item(new MenuItem(MN_CONTROLFIELD, id));
109 item->change_text(text);
110 item->change_input(mapping);
111 return add_item(std::move(item));
115 Menu::add_entry(int id, const std::string& text)
117 std::unique_ptr<MenuItem> item(new MenuItem(MN_ACTION, id));
119 return add_item(std::move(item));
123 Menu::add_inactive(int id, const std::string& text)
125 std::unique_ptr<MenuItem> item(new MenuItem(MN_INACTIVE, id));
127 return add_item(std::move(item));
131 Menu::add_toggle(int id, const std::string& text, bool toogled)
133 std::unique_ptr<MenuItem> item(new MenuItem(MN_TOGGLE, id));
135 item->toggled = toogled;
136 return add_item(std::move(item));
140 Menu::add_string_select(int id, const std::string& text)
142 std::unique_ptr<MenuItem> item(new MenuItem(MN_STRINGSELECT, id));
144 return add_item(std::move(item));
148 Menu::add_back(const std::string& text)
150 std::unique_ptr<MenuItem> item(new MenuItem(MN_BACK));
152 return add_item(std::move(item));
156 Menu::add_submenu(const std::string& text, int submenu)
158 std::unique_ptr<MenuItem> item(new MenuItem(MN_GOTO));
160 item->target_menu = submenu;
161 return add_item(std::move(item));
172 Menu::process_input()
174 int menu_height = (int) get_height();
175 if (menu_height > SCREEN_HEIGHT)
177 int scroll_offset = (menu_height - SCREEN_HEIGHT) / 2 + 32;
178 pos.y = SCREEN_HEIGHT/2 - scroll_offset * ((float(active_item) / (items.size()-1)) - 0.5f) * 2.0f;
181 MenuAction menuaction = MENU_ACTION_NONE;
182 Controller* controller = g_input_manager->get_controller();
183 /** check main input controller... */
184 if(controller->pressed(Controller::UP)) {
185 menuaction = MENU_ACTION_UP;
186 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
188 if(controller->hold(Controller::UP) &&
189 menu_repeat_time != 0 && real_time > menu_repeat_time) {
190 menuaction = MENU_ACTION_UP;
191 menu_repeat_time = real_time + MENU_REPEAT_RATE;
194 if(controller->pressed(Controller::DOWN)) {
195 menuaction = MENU_ACTION_DOWN;
196 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
198 if(controller->hold(Controller::DOWN) &&
199 menu_repeat_time != 0 && real_time > menu_repeat_time) {
200 menuaction = MENU_ACTION_DOWN;
201 menu_repeat_time = real_time + MENU_REPEAT_RATE;
204 if(controller->pressed(Controller::LEFT)) {
205 menuaction = MENU_ACTION_LEFT;
206 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
208 if(controller->hold(Controller::LEFT) &&
209 menu_repeat_time != 0 && real_time > menu_repeat_time) {
210 menuaction = MENU_ACTION_LEFT;
211 menu_repeat_time = real_time + MENU_REPEAT_RATE;
214 if(controller->pressed(Controller::RIGHT)) {
215 menuaction = MENU_ACTION_RIGHT;
216 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
218 if(controller->hold(Controller::RIGHT) &&
219 menu_repeat_time != 0 && real_time > menu_repeat_time) {
220 menuaction = MENU_ACTION_RIGHT;
221 menu_repeat_time = real_time + MENU_REPEAT_RATE;
224 if(controller->pressed(Controller::ACTION)
225 || controller->pressed(Controller::MENU_SELECT)) {
226 menuaction = MENU_ACTION_HIT;
228 if(controller->pressed(Controller::PAUSE_MENU)
229 || controller->pressed(Controller::MENU_BACK)) {
230 menuaction = MENU_ACTION_BACK;
233 if(items.size() == 0)
236 // The menu_action() call can pop() the menu from the stack and thus
237 // delete it, so it's important that no further member variables are
238 // accessed after this call
239 process_action(menuaction);
243 Menu::process_action(MenuAction menuaction)
245 int last_active_item = active_item;
252 active_item = int(items.size())-1;
253 } while ((items[active_item]->kind == MN_HL
254 || items[active_item]->kind == MN_LABEL
255 || items[active_item]->kind == MN_INACTIVE)
256 && (active_item != last_active_item));
260 case MENU_ACTION_DOWN:
262 if(active_item < int(items.size())-1 )
266 } while ((items[active_item]->kind == MN_HL
267 || items[active_item]->kind == MN_LABEL
268 || items[active_item]->kind == MN_INACTIVE)
269 && (active_item != last_active_item));
273 case MENU_ACTION_LEFT:
274 if(items[active_item]->kind == MN_STRINGSELECT) {
275 if(items[active_item]->selected > 0)
276 items[active_item]->selected--;
278 items[active_item]->selected = items[active_item]->list.size()-1;
280 menu_action(items[active_item].get());
284 case MENU_ACTION_RIGHT:
285 if(items[active_item]->kind == MN_STRINGSELECT) {
286 if(items[active_item]->selected+1 < items[active_item]->list.size())
287 items[active_item]->selected++;
289 items[active_item]->selected = 0;
291 menu_action(items[active_item].get());
295 case MENU_ACTION_HIT: {
296 switch (items[active_item]->kind) {
298 assert(items[active_item]->target_menu != 0);
299 MenuManager::instance().push_menu(items[active_item]->target_menu);
303 items[active_item]->toggled = !items[active_item]->toggled;
304 menu_action(items[active_item].get());
307 case MN_CONTROLFIELD:
308 menu_action(items[active_item].get());
312 menu_action(items[active_item].get());
315 case MN_STRINGSELECT:
316 if(items[active_item]->selected+1 < items[active_item]->list.size())
317 items[active_item]->selected++;
319 items[active_item]->selected = 0;
321 menu_action(items[active_item].get());
326 menuaction = MENU_ACTION_DOWN;
331 MenuManager::instance().pop_menu();
340 case MENU_ACTION_REMOVE:
341 if(items[active_item]->kind == MN_TEXTFIELD
342 || items[active_item]->kind == MN_NUMFIELD)
344 if(!items[active_item]->input.empty())
346 int i = items[active_item]->input.size();
348 while(delete_character > 0) /* remove characters */
350 items[active_item]->input.resize(i-1);
357 case MENU_ACTION_INPUT:
358 if(items[active_item]->kind == MN_TEXTFIELD
359 || (items[active_item]->kind == MN_NUMFIELD
360 && mn_input_char >= '0' && mn_input_char <= '9'))
362 items[active_item]->input.push_back(mn_input_char);
366 case MENU_ACTION_BACK:
367 MenuManager::instance().pop_menu();
370 case MENU_ACTION_NONE:
376 Menu::draw_item(DrawingContext& context, int index)
378 float menu_height = get_height();
379 float menu_width = get_width();
381 MenuItem& pitem = *(items[index]);
383 Color text_color = default_color;
385 float y_pos = pos.y + 24*index - menu_height/2 + 12;
386 int text_width = int(Resources::normal_font->get_text_width(pitem.text));
387 int input_width = int(Resources::normal_font->get_text_width(pitem.input) + 10);
390 float left = pos.x - menu_width/2 + 16;
391 float right = pos.x + menu_width/2 - 16;
393 if(pitem.list.size() > 0) {
394 list_width = (int) Resources::normal_font->get_text_width(pitem.list[pitem.selected]);
398 x_pos += 24 - menu_width/2 + (text_width + input_width + list_width)/2;
400 if(index == active_item)
402 text_color = active_color;
405 if(active_item == index)
407 float blink = (sinf(real_time * M_PI * 1.0f)/2.0f + 0.5f) * 0.5f + 0.25f;
408 context.draw_filled_rect(Rectf(Vector(pos.x - menu_width/2 + 10 - 2, y_pos - 12 - 2),
409 Vector(pos.x + menu_width/2 - 10 + 2, y_pos + 12 + 2)),
410 Color(1.0f, 1.0f, 1.0f, blink),
413 context.draw_filled_rect(Rectf(Vector(pos.x - menu_width/2 + 10, y_pos - 12),
414 Vector(pos.x + menu_width/2 - 10, y_pos + 12)),
415 Color(1.0f, 1.0f, 1.0f, 0.5f),
424 context.draw_text(Resources::normal_font, pitem.text,
425 Vector(pos.x, y_pos - int(Resources::normal_font->get_height()/2)),
426 ALIGN_CENTER, LAYER_GUI, inactive_color);
433 float x = pos.x - menu_width/2;
434 float y = y_pos - 12;
435 /* Draw a horizontal line with a little 3d effect */
436 context.draw_filled_rect(Vector(x, y + 6),
437 Vector(menu_width, 4),
438 Color(0.6f, 0.7f, 1.0f, 1.0f), LAYER_GUI);
439 context.draw_filled_rect(Vector(x, y + 6),
440 Vector(menu_width, 2),
441 Color(1.0f, 1.0f, 1.0f, 1.0f), LAYER_GUI);
446 context.draw_text(Resources::big_font, pitem.text,
447 Vector(pos.x, y_pos - int(Resources::big_font->get_height()/2)),
448 ALIGN_CENTER, LAYER_GUI, label_color);
453 case MN_CONTROLFIELD:
455 if(pitem.kind == MN_TEXTFIELD || pitem.kind == MN_NUMFIELD)
457 if(active_item == index)
458 context.draw_text(Resources::normal_font,
459 pitem.get_input_with_symbol(true),
460 Vector(right, y_pos - int(Resources::normal_font->get_height()/2)),
461 ALIGN_RIGHT, LAYER_GUI, field_color);
463 context.draw_text(Resources::normal_font,
464 pitem.get_input_with_symbol(false),
465 Vector(right, y_pos - int(Resources::normal_font->get_height()/2)),
466 ALIGN_RIGHT, LAYER_GUI, field_color);
469 context.draw_text(Resources::normal_font, pitem.input,
470 Vector(right, y_pos - int(Resources::normal_font->get_height()/2)),
471 ALIGN_RIGHT, LAYER_GUI, field_color);
473 context.draw_text(Resources::normal_font, pitem.text,
474 Vector(left, y_pos - int(Resources::normal_font->get_height()/2)),
475 ALIGN_LEFT, LAYER_GUI, text_color);
478 case MN_STRINGSELECT:
480 float roff = Resources::arrow_left->get_width();
482 context.draw_text(Resources::normal_font, pitem.text,
483 Vector(left, y_pos - int(Resources::normal_font->get_height()/2)),
484 ALIGN_LEFT, LAYER_GUI, text_color);
487 context.draw_surface(Resources::arrow_left,
488 Vector(right - list_width - roff - roff, y_pos - 8),
490 context.draw_surface(Resources::arrow_right,
491 Vector(right - roff, y_pos - 8),
493 context.draw_text(Resources::normal_font, pitem.list[pitem.selected],
494 Vector(right - roff, y_pos - int(Resources::normal_font->get_height()/2)),
495 ALIGN_RIGHT, LAYER_GUI, text_color);
500 context.draw_text(Resources::Resources::normal_font, pitem.text,
501 Vector(pos.x, y_pos - int(Resources::normal_font->get_height()/2)),
502 ALIGN_CENTER, LAYER_GUI, text_color);
503 context.draw_surface(Resources::back,
504 Vector(x_pos + text_width/2 + 16, y_pos - 8),
511 context.draw_text(Resources::normal_font, pitem.text,
512 Vector(pos.x - menu_width/2 + 16, y_pos - (Resources::normal_font->get_height()/2)),
513 ALIGN_LEFT, LAYER_GUI, text_color);
516 context.draw_surface(Resources::checkbox_checked,
517 Vector(x_pos + (menu_width/2-16) - Resources::checkbox->get_width(), y_pos - 8),
520 context.draw_surface(Resources::checkbox,
521 Vector(x_pos + (menu_width/2-16) - Resources::checkbox->get_width(), y_pos - 8),
526 context.draw_text(Resources::normal_font, pitem.text,
527 Vector(pos.x, y_pos - int(Resources::normal_font->get_height()/2)),
528 ALIGN_CENTER, LAYER_GUI, text_color);
532 context.draw_text(Resources::normal_font, pitem.text,
533 Vector(pos.x, y_pos - int(Resources::normal_font->get_height()/2)),
534 ALIGN_CENTER, LAYER_GUI, text_color);
540 Menu::get_width() const
542 /* The width of the menu has to be more than the width of the text
543 with the most characters */
544 float menu_width = 0;
545 for(unsigned int i = 0; i < items.size(); ++i)
547 FontPtr font = Resources::Resources::normal_font;
548 if(items[i]->kind == MN_LABEL)
549 font = Resources::big_font;
551 float w = font->get_text_width(items[i]->text) +
552 Resources::big_font->get_text_width(items[i]->input) + 16;
553 if(items[i]->kind == MN_TOGGLE)
555 if (items[i]->kind == MN_STRINGSELECT)
556 w += font->get_text_width(items[i]->list[items[i]->selected]) + 32;
563 return menu_width + 24;
567 Menu::get_height() const
569 return items.size() * 24;
573 Menu::on_window_resize()
575 pos.x = SCREEN_WIDTH / 2;
576 pos.y = SCREEN_HEIGHT / 2;
580 Menu::draw(DrawingContext& context)
582 if (!items[active_item]->help.empty())
584 int text_width = (int) Resources::normal_font->get_text_width(items[active_item]->help);
585 int text_height = (int) Resources::normal_font->get_text_height(items[active_item]->help);
587 Rectf text_rect(pos.x - text_width/2 - 8,
588 SCREEN_HEIGHT - 48 - text_height/2 - 4,
589 pos.x + text_width/2 + 8,
590 SCREEN_HEIGHT - 48 + text_height/2 + 4);
592 context.draw_filled_rect(Rectf(text_rect.p1 - Vector(4,4),
593 text_rect.p2 + Vector(4,4)),
594 Color(0.2f, 0.3f, 0.4f, 0.8f),
598 context.draw_filled_rect(text_rect,
599 Color(0.6f, 0.7f, 0.8f, 0.5f),
603 context.draw_text(Resources::normal_font, items[active_item]->help,
604 Vector(pos.x, SCREEN_HEIGHT - 48 - text_height/2),
605 ALIGN_CENTER, LAYER_GUI);
608 for(unsigned int i = 0; i < items.size(); ++i)
610 draw_item(context, i);
615 Menu::get_item_by_id(int id)
617 for (const auto& item : items)
625 throw std::runtime_error("MenuItem not found");
629 Menu::get_item_by_id(int id) const
631 for (const auto& item : items)
639 throw std::runtime_error("MenuItem not found");
642 int Menu::get_active_item_id()
644 return items[active_item]->id;
648 Menu::is_toggled(int id) const
650 return get_item_by_id(id).toggled;
654 Menu::set_toggled(int id, bool toggled)
656 get_item_by_id(id).toggled = toggled;
660 Menu::event(const SDL_Event& ev)
663 case SDL_MOUSEBUTTONDOWN:
664 if(ev.button.button == SDL_BUTTON_LEFT)
666 Vector mouse_pos = Renderer::instance()->to_logical(ev.motion.x, ev.motion.y);
667 int x = int(mouse_pos.x);
668 int y = int(mouse_pos.y);
670 if(x > pos.x - get_width()/2 &&
671 x < pos.x + get_width()/2 &&
672 y > pos.y - get_height()/2 &&
673 y < pos.y + get_height()/2)
675 process_action(MENU_ACTION_HIT);
680 case SDL_MOUSEMOTION:
682 Vector mouse_pos = Renderer::instance()->to_logical(ev.motion.x, ev.motion.y);
683 float x = mouse_pos.x;
684 float y = mouse_pos.y;
686 if(x > pos.x - get_width()/2 &&
687 x < pos.x + get_width()/2 &&
688 y > pos.y - get_height()/2 &&
689 y < pos.y + get_height()/2)
692 = static_cast<int> ((y - (pos.y - get_height()/2)) / 24);
694 /* only change the mouse focus to a selectable item */
695 if ((items[new_active_item]->kind != MN_HL)
696 && (items[new_active_item]->kind != MN_LABEL)
697 && (items[new_active_item]->kind != MN_INACTIVE))
698 active_item = new_active_item;
700 if(MouseCursor::current())
701 MouseCursor::current()->set_state(MC_LINK);
705 if(MouseCursor::current())
706 MouseCursor::current()->set_state(MC_NORMAL);
717 Menu::set_active_item(int id)
719 for(size_t i = 0; i < items.size(); ++i) {
720 if(items[i]->id == id) {