4 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 #include <sys/types.h>
34 #include "mainloop.hpp"
35 #include "video/drawing_context.hpp"
36 #include "gettext.hpp"
37 #include "math/vector.hpp"
39 #include "resources.hpp"
41 #include "control/joystickkeyboardcontroller.hpp"
43 static const float MENU_REPEAT_INITIAL = 0.4;
44 static const float MENU_REPEAT_RATE = 0.2;
45 static const float FLICK_CURSOR_TIME = 0.5;
47 extern SDL_Surface* screen;
49 std::vector<Menu*> Menu::last_menus;
50 Menu* Menu::current_ = 0;
51 Font* Menu::default_font;
52 Font* Menu::active_font;
53 Font* Menu::deactive_font;
54 Font* Menu::label_font;
55 Font* Menu::field_font;
57 /* just displays a Yes/No text that can be used to confirm stuff */
58 bool confirm_dialog(Surface *background, std::string text)
60 //Surface* cap_screen = Surface::CaptureScreen();
61 Menu* dialog = new Menu;
62 dialog->add_deactive(-1, text);
64 dialog->add_entry(true, _("Yes"));
65 dialog->add_entry(false, _("No"));
68 Menu::set_current(dialog);
70 DrawingContext context;
72 // TODO make this a screen and not another mainloop...
76 while (SDL_PollEvent(&event)) {
77 if(event.type == SDL_QUIT)
79 main_controller->process_event(event);
83 if(background == NULL)
84 context.draw_gradient(Color(0.8, 0.95, 0.85), Color(0.8, 0.8, 0.8),
87 context.draw_surface(background, Vector(0,0), LAYER_BACKGROUND0);
89 dialog->draw(context);
92 switch (dialog->check())
102 Menu::set_current(0);
110 mouse_cursor->draw(context);
111 context.do_drawing();
119 Menu::push_current(Menu* pmenu)
122 last_menus.push_back(current_);
125 current_->effect_time = real_time;
131 if (last_menus.size() >= 1) {
132 current_ = last_menus.back();
133 current_->effect_time = real_time;
134 last_menus.pop_back();
141 Menu::set_current(Menu* menu)
146 menu->effect_time = real_time;
149 // just to be sure...
150 main_controller->reset();
153 MenuItem::MenuItem(MenuItemKind _kind, int _id)
154 : kind(_kind) , id(_id)
162 MenuItem::change_text(const std::string& text_)
168 MenuItem::change_input(const std::string& text_)
173 std::string MenuItem::get_input_with_symbol(bool active_item)
176 input_flickering = true;
178 input_flickering = ((int) (real_time / FLICK_CURSOR_TIME)) % 2;
183 sprintf(str,"%s ",input.c_str());
185 sprintf(str,"%s_",input.c_str());
187 std::string string = str;
194 for(std::vector<MenuItem*>::iterator i = items.begin();
195 i != items.end(); ++i)
198 assert(current_ != this);
208 menuaction = MENU_ACTION_NONE;
209 delete_character = 0;
210 mn_input_char = '\0';
212 pos_x = SCREEN_WIDTH/2;
213 pos_y = SCREEN_HEIGHT/2;
217 checkbox.reset(new Surface("images/engine/menu/checkbox-unchecked.png"));
218 checkbox_checked.reset(new Surface("images/engine/menu/checkbox-checked.png"));
219 back.reset(new Surface("images/engine/menu/arrow-back.png"));
220 arrow_left.reset(new Surface("images/engine/menu/arrow-left.png"));
221 arrow_right.reset(new Surface("images/engine/menu/arrow-right.png"));
224 void Menu::set_pos(float x, float y, float rw, float rh)
226 pos_x = x + get_width() * rw;
227 pos_y = y + get_height() * rh;
230 /* Add an item to a menu */
232 Menu::additem(MenuItem* item)
234 items.push_back(item);
236 /* If a new menu is being built, the active item shouldn't be set to
237 * something that isnt selectable. Set the active_item to the first
238 * selectable item added
240 if (active_item == -1
241 && item->kind != MN_HL
242 && item->kind != MN_LABEL
243 && item->kind != MN_DEACTIVE) {
244 active_item = items.size() - 1;
251 additem(new MenuItem(MN_HL));
255 Menu::add_label(const std::string& text)
257 MenuItem* item = new MenuItem(MN_LABEL);
263 Menu::add_controlfield(int id, const std::string& text,
264 const std::string& mapping)
266 MenuItem* item = new MenuItem(MN_CONTROLFIELD, id);
267 item->change_text(text);
268 item->change_input(mapping);
273 Menu::add_entry(int id, const std::string& text)
275 MenuItem* item = new MenuItem(MN_ACTION, id);
281 Menu::add_deactive(int id, const std::string& text)
283 MenuItem* item = new MenuItem(MN_DEACTIVE, id);
289 Menu::add_toggle(int id, const std::string& text, bool toogled)
291 MenuItem* item = new MenuItem(MN_TOGGLE, id);
293 item->toggled = toogled;
298 Menu::add_back(const std::string& text)
300 MenuItem* item = new MenuItem(MN_BACK);
306 Menu::add_submenu(const std::string& text, Menu* submenu, int id)
308 MenuItem* item = new MenuItem(MN_GOTO, id);
310 item->target_menu = submenu;
317 for(std::vector<MenuItem*>::iterator i = items.begin();
318 i != items.end(); ++i) {
325 /* Process actions done on the menu */
329 /** check main input controller... */
330 if(main_controller->pressed(Controller::UP)) {
331 menuaction = MENU_ACTION_UP;
332 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
334 if(main_controller->hold(Controller::UP) &&
335 menu_repeat_time != 0 && real_time > menu_repeat_time) {
336 menuaction = MENU_ACTION_UP;
337 menu_repeat_time = real_time + MENU_REPEAT_RATE;
339 if(main_controller->pressed(Controller::DOWN)) {
340 menuaction = MENU_ACTION_DOWN;
341 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
343 if(main_controller->hold(Controller::DOWN) &&
344 menu_repeat_time != 0 && real_time > menu_repeat_time) {
345 menuaction = MENU_ACTION_DOWN;
346 menu_repeat_time = real_time + MENU_REPEAT_RATE;
348 if(main_controller->pressed(Controller::JUMP)
349 || main_controller->pressed(Controller::ACTION)
350 || main_controller->pressed(Controller::MENU_SELECT)) {
351 menuaction = MENU_ACTION_HIT;
353 if(main_controller->pressed(Controller::PAUSE_MENU)) {
354 menuaction = MENU_ACTION_BACK;
358 if(items.size() == 0)
361 int last_active_item = active_item;
368 active_item = int(items.size())-1;
369 } while ((items[active_item]->kind == MN_HL
370 || items[active_item]->kind == MN_LABEL
371 || items[active_item]->kind == MN_DEACTIVE)
372 && (active_item != last_active_item));
376 case MENU_ACTION_DOWN:
378 if(active_item < int(items.size())-1 )
382 } while ((items[active_item]->kind == MN_HL
383 || items[active_item]->kind == MN_LABEL
384 || items[active_item]->kind == MN_DEACTIVE)
385 && (active_item != last_active_item));
389 case MENU_ACTION_LEFT:
390 if(items[active_item]->kind == MN_STRINGSELECT) {
391 if(items[active_item]->selected > 0)
392 items[active_item]->selected--;
394 items[active_item]->selected = items[active_item]->list.size()-1;
398 case MENU_ACTION_RIGHT:
399 if(items[active_item]->kind == MN_STRINGSELECT) {
400 if(items[active_item]->selected+1 < items[active_item]->list.size())
401 items[active_item]->selected++;
403 items[active_item]->selected = 0;
407 case MENU_ACTION_HIT: {
408 hit_item = active_item;
409 switch (items[active_item]->kind) {
411 assert(items[active_item]->target_menu != 0);
412 Menu::push_current(items[active_item]->target_menu);
416 items[active_item]->toggled = !items[active_item]->toggled;
417 menu_action(items[active_item]);
420 case MN_CONTROLFIELD:
421 menu_action(items[active_item]);
425 menu_action(items[active_item]);
430 menuaction = MENU_ACTION_DOWN;
443 case MENU_ACTION_REMOVE:
444 if(items[active_item]->kind == MN_TEXTFIELD
445 || items[active_item]->kind == MN_NUMFIELD)
447 if(!items[active_item]->input.empty())
449 int i = items[active_item]->input.size();
451 while(delete_character > 0) /* remove charactes */
453 items[active_item]->input.resize(i-1);
460 case MENU_ACTION_INPUT:
461 if(items[active_item]->kind == MN_TEXTFIELD
462 || (items[active_item]->kind == MN_NUMFIELD
463 && mn_input_char >= '0' && mn_input_char <= '9'))
465 items[active_item]->input.push_back(mn_input_char);
469 case MENU_ACTION_BACK:
473 case MENU_ACTION_NONE:
476 menuaction = MENU_ACTION_NONE;
478 assert(active_item < int(items.size()));
485 return items[hit_item]->id;
491 Menu::menu_action(MenuItem* )
495 Menu::draw_item(DrawingContext& context, int index)
497 float menu_height = get_height();
498 float menu_width = get_width();
500 MenuItem& pitem = *(items[index]);
502 int effect_offset = 0;
503 if(effect_time != 0) {
504 if(real_time - effect_time > 0.5) {
507 float effect_delta = (0.5 - (real_time - effect_time)) * 250;
508 effect_offset = (int) ((index % 2) ? effect_delta : -effect_delta);
512 Font* text_font = default_font;
514 float y_pos = pos_y + 24*index - menu_height/2 + 12 + effect_offset;
516 int text_width = int(text_font->get_text_width(pitem.text));
517 int input_width = int(text_font->get_text_width(pitem.input) + 10);
519 if(pitem.list.size() > 0) {
520 list_width = (int) text_font->get_text_width(pitem.list[pitem.selected]);
524 x_pos += 24 - menu_width/2 + (text_width + input_width + list_width)/2;
526 if(index == active_item)
529 text_font = active_font;
536 context.draw_text(deactive_font, pitem.text,
537 Vector(SCREEN_WIDTH/2, y_pos - int(deactive_font->get_height()/2)),
538 CENTER_ALLIGN, LAYER_GUI);
545 float x = pos_x - menu_width/2;
546 float y = y_pos - 12 - effect_offset;
547 /* Draw a horizontal line with a little 3d effect */
548 context.draw_filled_rect(Vector(x, y + 6),
549 Vector(menu_width, 4),
550 Color(0.6f, 0.7f, 1.0f, 1.0f), LAYER_GUI);
551 context.draw_filled_rect(Vector(x, y + 6),
552 Vector(menu_width, 2),
553 Color(1.0f, 1.0f, 1.0f, 1.0f), LAYER_GUI);
558 context.draw_text(label_font, pitem.text,
559 Vector(SCREEN_WIDTH/2, y_pos - int(label_font->get_height()/2)),
560 CENTER_ALLIGN, LAYER_GUI);
565 case MN_CONTROLFIELD:
567 float width = text_width + input_width + 5;
568 float text_pos = SCREEN_WIDTH/2 - width/2;
569 float input_pos = text_pos + text_width + 10;
571 context.draw_filled_rect(
572 Vector(input_pos - 5, y_pos - 10),
573 Vector(input_width + 10, 20),
574 Color(1.0f, 1.0f, 1.0f, 1.0f), LAYER_GUI-5);
575 context.draw_filled_rect(
576 Vector(input_pos - 4, y_pos - 9),
577 Vector(input_width + 8, 18),
578 Color(0, 0, 0, 0.5f), LAYER_GUI-4);
580 if(pitem.kind == MN_TEXTFIELD || pitem.kind == MN_NUMFIELD)
582 if(active_item == index)
583 context.draw_text(field_font,
584 pitem.get_input_with_symbol(true),
585 Vector(input_pos, y_pos - int(field_font->get_height()/2)),
586 LEFT_ALLIGN, LAYER_GUI);
588 context.draw_text(field_font,
589 pitem.get_input_with_symbol(false),
590 Vector(input_pos, y_pos - int(field_font->get_height()/2)),
591 LEFT_ALLIGN, LAYER_GUI);
594 context.draw_text(field_font, pitem.input,
595 Vector(input_pos, y_pos - int(field_font->get_height()/2)),
596 LEFT_ALLIGN, LAYER_GUI);
598 context.draw_text(text_font, pitem.text,
599 Vector(text_pos, y_pos - int(text_font->get_height()/2)),
600 LEFT_ALLIGN, LAYER_GUI);
603 case MN_STRINGSELECT:
605 int list_pos_2 = list_width + 16;
606 int list_pos = list_width/2;
607 int text_pos = (text_width + 16)/2;
610 context.draw_surface(arrow_left.get(),
611 Vector(x_pos - list_pos + text_pos - 17, y_pos - 8),
613 context.draw_surface(arrow_right.get(),
614 Vector(x_pos - list_pos + text_pos - 1 + list_pos_2, y_pos - 8),
617 /* Draw input background */
618 context.draw_filled_rect(
619 Vector(x_pos - list_pos + text_pos - 1, y_pos - 10),
620 Vector(list_pos_2 + 2, 20),
621 Color(1.0f, 1.0f, 1.0f, 1.0f), LAYER_GUI - 4);
622 context.draw_filled_rect(
623 Vector(x_pos - list_pos + text_pos, y_pos - 9),
624 Vector(list_pos_2, 18),
625 Color(0, 0, 0, 0.5f), LAYER_GUI - 5);
627 context.draw_text(text_font, pitem.list[pitem.selected],
628 Vector(SCREEN_WIDTH/2 + text_pos, y_pos - int(text_font->get_height()/2)),
629 CENTER_ALLIGN, LAYER_GUI);
630 context.draw_text(text_font, pitem.text,
631 Vector(SCREEN_WIDTH/2 + list_pos_2/2, y_pos - int(text_font->get_height()/2)),
632 CENTER_ALLIGN, LAYER_GUI);
637 context.draw_text(text_font, pitem.text,
638 Vector(SCREEN_WIDTH/2, y_pos - int(text_font->get_height()/2)),
639 CENTER_ALLIGN, LAYER_GUI);
640 context.draw_surface(back.get(),
641 Vector(x_pos + text_width/2 + 16, y_pos - 8),
648 context.draw_text(text_font, pitem.text,
649 Vector(SCREEN_WIDTH/2, y_pos - (text_font->get_height()/2)),
650 CENTER_ALLIGN, LAYER_GUI);
653 context.draw_surface(checkbox_checked.get(),
654 Vector(x_pos + (text_width+16)/2, y_pos - 8),
657 context.draw_surface(checkbox.get(),
658 Vector(x_pos + (text_width+16)/2, y_pos - 8),
663 context.draw_text(text_font, pitem.text,
664 Vector(SCREEN_WIDTH/2, y_pos - int(text_font->get_height()/2)),
665 CENTER_ALLIGN, LAYER_GUI);
669 context.draw_text(text_font, pitem.text,
670 Vector(SCREEN_WIDTH/2, y_pos - int(text_font->get_height()/2)),
671 CENTER_ALLIGN, LAYER_GUI);
676 float Menu::get_width() const
678 /* The width of the menu has to be more than the width of the text
679 with the most characters */
680 float menu_width = 0;
681 for(unsigned int i = 0; i < items.size(); ++i)
683 Font* font = default_font;
684 if(items[i]->kind == MN_LABEL)
687 float w = font->get_text_width(items[i]->text) +
688 label_font->get_text_width(items[i]->input) + 16;
689 if(items[i]->kind == MN_TOGGLE)
696 return menu_width + 24;
699 float Menu::get_height() const
701 return items.size() * 24;
704 /* Draw the current menu. */
706 Menu::draw(DrawingContext& context)
708 if(MouseCursor::current()) {
709 MouseCursor::current()->draw(context);
712 float menu_height = get_height();
713 float menu_width = get_width();
715 /* Draw a transparent background */
716 context.draw_filled_rect(
717 Vector(pos_x - menu_width/2, pos_y - 24*items.size()/2 - 10),
718 Vector(menu_width,menu_height + 20),
719 Color(0.6f, 0.7f, 0.8f, 0.5f), LAYER_GUI-10);
721 for(unsigned int i = 0; i < items.size(); ++i)
723 draw_item(context, i);
728 Menu::get_item_by_id(int id)
730 for(std::vector<MenuItem*>::iterator i = items.begin();
731 i != items.end(); ++i) {
732 MenuItem& item = **i;
738 throw std::runtime_error("MenuItem not found");
742 Menu::get_item_by_id(int id) const
744 for(std::vector<MenuItem*>::const_iterator i = items.begin();
745 i != items.end(); ++i) {
746 const MenuItem& item = **i;
752 throw std::runtime_error("MenuItem not found");
755 int Menu::get_active_item_id()
757 return items[active_item]->id;
761 Menu::is_toggled(int id) const
763 return get_item_by_id(id).toggled;
766 /* Check for menu event */
768 Menu::event(const SDL_Event& event)
774 case SDL_MOUSEBUTTONDOWN:
776 int x = int(event.motion.x * float(SCREEN_WIDTH)/screen->w);
777 int y = int(event.motion.y * float(SCREEN_HEIGHT)/screen->h);
779 if(x > pos_x - get_width()/2 &&
780 x < pos_x + get_width()/2 &&
781 y > pos_y - get_height()/2 &&
782 y < pos_y + get_height()/2)
784 menuaction = MENU_ACTION_HIT;
789 case SDL_MOUSEMOTION:
791 float x = event.motion.x * SCREEN_WIDTH/screen->w;
792 float y = event.motion.y * SCREEN_HEIGHT/screen->h;
794 if(x > pos_x - get_width()/2 &&
795 x < pos_x + get_width()/2 &&
796 y > pos_y - get_height()/2 &&
797 y < pos_y + get_height()/2)
800 = static_cast<int> ((y - (pos_y - get_height()/2)) / 24);
802 /* only change the mouse focus to a selectable item */
803 if ((items[new_active_item]->kind != MN_HL)
804 && (items[new_active_item]->kind != MN_LABEL)
805 && (items[new_active_item]->kind != MN_DEACTIVE))
806 active_item = new_active_item;
808 if(MouseCursor::current())
809 MouseCursor::current()->set_state(MC_LINK);
813 if(MouseCursor::current())
814 MouseCursor::current()->set_state(MC_NORMAL);
825 Menu::set_active_item(int id)
827 for(size_t i = 0; i < items.size(); ++i) {
828 MenuItem* item = items[i];