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>
35 #include "mainloop.hpp"
36 #include "video/drawing_context.hpp"
37 #include "gettext.hpp"
38 #include "math/vector.hpp"
40 #include "resources.hpp"
42 #include "control/joystickkeyboardcontroller.hpp"
44 static const float MENU_REPEAT_INITIAL = 0.4f;
45 static const float MENU_REPEAT_RATE = 0.2f;
46 static const float FLICK_CURSOR_TIME = 0.5f;
48 extern SDL_Surface* screen;
50 std::vector<Menu*> Menu::last_menus;
51 Menu* Menu::current_ = 0;
52 Menu* Menu::previous = 0;
53 Font* Menu::default_font;
54 Font* Menu::active_font;
55 Font* Menu::deactive_font;
56 Font* Menu::label_font;
57 Font* Menu::field_font;
59 /* just displays a Yes/No text that can be used to confirm stuff */
60 bool confirm_dialog(Surface *background, std::string text)
62 //Surface* cap_screen = Surface::CaptureScreen();
63 Menu* dialog = new Menu;
64 dialog->add_deactive(-1, text);
66 dialog->add_entry(true, _("Yes"));
67 dialog->add_entry(false, _("No"));
70 Menu::set_current(dialog);
72 DrawingContext context;
74 // TODO make this a screen and not another mainloop...
78 while (SDL_PollEvent(&event)) {
79 if(event.type == SDL_QUIT)
81 main_controller->process_event(event);
85 if(background == NULL)
86 context.draw_gradient(Color(0.8f, 0.95f, 0.85f), Color(0.8f, 0.8f, 0.8f),
89 context.draw_surface(background, Vector(0,0), LAYER_BACKGROUND0);
91 dialog->draw(context);
94 switch (dialog->check())
104 Menu::set_current(0);
112 mouse_cursor->draw(context);
113 context.do_drawing();
121 Menu::push_current(Menu* pmenu)
126 last_menus.push_back(current_);
129 current_->effect_start_time = real_time;
130 current_->effect_progress = 0.0f;
138 if (last_menus.size() >= 1) {
139 current_ = last_menus.back();
140 current_->effect_start_time = real_time;
141 current_->effect_progress = 0.0f;
142 last_menus.pop_back();
149 Menu::set_current(Menu* menu)
157 menu->effect_start_time = real_time;
158 menu->effect_progress = 0.0f;
161 // just to be sure...
162 main_controller->reset();
165 MenuItem::MenuItem(MenuItemKind _kind, int _id)
166 : kind(_kind) , id(_id)
174 MenuItem::change_text(const std::string& text_)
180 MenuItem::change_input(const std::string& text_)
186 MenuItem::set_help(const std::string& help_text)
191 std::string MenuItem::get_input_with_symbol(bool active_item)
194 input_flickering = true;
196 input_flickering = ((int) (real_time / FLICK_CURSOR_TIME)) % 2;
201 snprintf(str, sizeof(str), "%s ",input.c_str());
203 snprintf(str, sizeof(str), "%s_",input.c_str());
205 std::string string = str;
212 for(std::vector<MenuItem*>::iterator i = items.begin();
213 i != items.end(); ++i)
219 if (previous == this)
226 menuaction = MENU_ACTION_NONE;
227 delete_character = 0;
228 mn_input_char = '\0';
230 pos_x = SCREEN_WIDTH/2;
231 pos_y = SCREEN_HEIGHT/2;
235 effect_progress = 0.0f;
236 effect_start_time = 0.0f;
238 checkbox.reset(new Surface("images/engine/menu/checkbox-unchecked.png"));
239 checkbox_checked.reset(new Surface("images/engine/menu/checkbox-checked.png"));
240 back.reset(new Surface("images/engine/menu/arrow-back.png"));
241 arrow_left.reset(new Surface("images/engine/menu/arrow-left.png"));
242 arrow_right.reset(new Surface("images/engine/menu/arrow-right.png"));
246 Menu::set_pos(float x, float y, float rw, float rh)
248 pos_x = x + get_width() * rw;
249 pos_y = y + get_height() * rh;
252 /* Add an item to a menu */
254 Menu::additem(MenuItem* item)
256 items.push_back(item);
258 /* If a new menu is being built, the active item shouldn't be set to
259 * something that isnt selectable. Set the active_item to the first
260 * selectable item added
262 if (active_item == -1
263 && item->kind != MN_HL
264 && item->kind != MN_LABEL
265 && item->kind != MN_DEACTIVE) {
266 active_item = items.size() - 1;
273 MenuItem* item = new MenuItem(MN_HL);
279 Menu::add_label(const std::string& text)
281 MenuItem* item = new MenuItem(MN_LABEL);
288 Menu::add_controlfield(int id, const std::string& text,
289 const std::string& mapping)
291 MenuItem* item = new MenuItem(MN_CONTROLFIELD, id);
292 item->change_text(text);
293 item->change_input(mapping);
299 Menu::add_entry(int id, const std::string& text)
301 MenuItem* item = new MenuItem(MN_ACTION, id);
308 Menu::add_deactive(int id, const std::string& text)
310 MenuItem* item = new MenuItem(MN_DEACTIVE, id);
317 Menu::add_toggle(int id, const std::string& text, bool toogled)
319 MenuItem* item = new MenuItem(MN_TOGGLE, id);
321 item->toggled = toogled;
327 Menu::add_back(const std::string& text)
329 MenuItem* item = new MenuItem(MN_BACK);
336 Menu::add_submenu(const std::string& text, Menu* submenu, int id)
338 MenuItem* item = new MenuItem(MN_GOTO, id);
340 item->target_menu = submenu;
348 for(std::vector<MenuItem*>::iterator i = items.begin();
349 i != items.end(); ++i) {
356 /* Process actions done on the menu */
360 int menu_height = get_height();
361 if (menu_height > SCREEN_HEIGHT)
363 int scroll_offset = (menu_height - SCREEN_HEIGHT) / 2 + 32;
364 pos_y = SCREEN_HEIGHT/2 - scroll_offset * ((float(active_item) / (items.size()-1)) - 0.5f) * 2.0f;
367 effect_progress = (real_time - effect_start_time) * 6.0f;
369 if(effect_progress >= 1.0f) {
370 effect_progress = 1.0f;
371 } else if (effect_progress <= 0.0f) {
372 effect_progress = 0.0f;
375 /** check main input controller... */
376 if(main_controller->pressed(Controller::UP)) {
377 menuaction = MENU_ACTION_UP;
378 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
380 if(main_controller->hold(Controller::UP) &&
381 menu_repeat_time != 0 && real_time > menu_repeat_time) {
382 menuaction = MENU_ACTION_UP;
383 menu_repeat_time = real_time + MENU_REPEAT_RATE;
385 if(main_controller->pressed(Controller::DOWN)) {
386 menuaction = MENU_ACTION_DOWN;
387 menu_repeat_time = real_time + MENU_REPEAT_INITIAL;
389 if(main_controller->hold(Controller::DOWN) &&
390 menu_repeat_time != 0 && real_time > menu_repeat_time) {
391 menuaction = MENU_ACTION_DOWN;
392 menu_repeat_time = real_time + MENU_REPEAT_RATE;
394 if(main_controller->pressed(Controller::ACTION)
395 || main_controller->pressed(Controller::MENU_SELECT)) {
396 menuaction = MENU_ACTION_HIT;
398 if(main_controller->pressed(Controller::PAUSE_MENU)) {
399 menuaction = MENU_ACTION_BACK;
403 if(items.size() == 0)
406 int last_active_item = active_item;
413 active_item = int(items.size())-1;
414 } while ((items[active_item]->kind == MN_HL
415 || items[active_item]->kind == MN_LABEL
416 || items[active_item]->kind == MN_DEACTIVE)
417 && (active_item != last_active_item));
421 case MENU_ACTION_DOWN:
423 if(active_item < int(items.size())-1 )
427 } while ((items[active_item]->kind == MN_HL
428 || items[active_item]->kind == MN_LABEL
429 || items[active_item]->kind == MN_DEACTIVE)
430 && (active_item != last_active_item));
434 case MENU_ACTION_LEFT:
435 if(items[active_item]->kind == MN_STRINGSELECT) {
436 if(items[active_item]->selected > 0)
437 items[active_item]->selected--;
439 items[active_item]->selected = items[active_item]->list.size()-1;
443 case MENU_ACTION_RIGHT:
444 if(items[active_item]->kind == MN_STRINGSELECT) {
445 if(items[active_item]->selected+1 < items[active_item]->list.size())
446 items[active_item]->selected++;
448 items[active_item]->selected = 0;
452 case MENU_ACTION_HIT: {
453 hit_item = active_item;
454 switch (items[active_item]->kind) {
456 assert(items[active_item]->target_menu != 0);
457 Menu::push_current(items[active_item]->target_menu);
461 items[active_item]->toggled = !items[active_item]->toggled;
462 menu_action(items[active_item]);
465 case MN_CONTROLFIELD:
466 menu_action(items[active_item]);
470 menu_action(items[active_item]);
475 menuaction = MENU_ACTION_DOWN;
488 case MENU_ACTION_REMOVE:
489 if(items[active_item]->kind == MN_TEXTFIELD
490 || items[active_item]->kind == MN_NUMFIELD)
492 if(!items[active_item]->input.empty())
494 int i = items[active_item]->input.size();
496 while(delete_character > 0) /* remove charactes */
498 items[active_item]->input.resize(i-1);
505 case MENU_ACTION_INPUT:
506 if(items[active_item]->kind == MN_TEXTFIELD
507 || (items[active_item]->kind == MN_NUMFIELD
508 && mn_input_char >= '0' && mn_input_char <= '9'))
510 items[active_item]->input.push_back(mn_input_char);
514 case MENU_ACTION_BACK:
518 case MENU_ACTION_NONE:
521 menuaction = MENU_ACTION_NONE;
523 assert(active_item < int(items.size()));
530 return items[hit_item]->id;
536 Menu::menu_action(MenuItem* )
540 Menu::draw_item(DrawingContext& context, int index)
542 float menu_height = get_height();
543 float menu_width = get_width();
545 MenuItem& pitem = *(items[index]);
547 Font* text_font = default_font;
549 float y_pos = pos_y + 24*index - menu_height/2 + 12;
551 int text_width = int(text_font->get_text_width(pitem.text));
552 int input_width = int(text_font->get_text_width(pitem.input) + 10);
554 if(pitem.list.size() > 0) {
555 list_width = (int) text_font->get_text_width(pitem.list[pitem.selected]);
559 x_pos += 24 - menu_width/2 + (text_width + input_width + list_width)/2;
561 if(index == active_item)
564 text_font = active_font;
567 if(active_item == index)
569 float blink = (sinf(real_time * M_PI * 1.0f)/2.0f + 0.5f) * 0.5f + 0.25f;
570 context.draw_filled_rect(Rect(Vector(pos_x - menu_width/2 + 10 - 2, y_pos - 12 - 2),
571 Vector(pos_x + menu_width/2 - 10 + 2, y_pos + 12 + 2)),
572 Color(1.0f, 1.0f, 1.0f, blink),
575 context.draw_filled_rect(Rect(Vector(pos_x - menu_width/2 + 10, y_pos - 12),
576 Vector(pos_x + menu_width/2 - 10, y_pos + 12)),
577 Color(1.0f, 1.0f, 1.0f, 0.5f),
586 context.draw_text(deactive_font, pitem.text,
587 Vector(pos_x, y_pos - int(deactive_font->get_height()/2)),
588 ALIGN_CENTER, LAYER_GUI);
595 float x = pos_x - menu_width/2;
596 float y = y_pos - 12;
597 /* Draw a horizontal line with a little 3d effect */
598 context.draw_filled_rect(Vector(x, y + 6),
599 Vector(menu_width, 4),
600 Color(0.6f, 0.7f, 1.0f, 1.0f), LAYER_GUI);
601 context.draw_filled_rect(Vector(x, y + 6),
602 Vector(menu_width, 2),
603 Color(1.0f, 1.0f, 1.0f, 1.0f), LAYER_GUI);
608 context.draw_text(label_font, pitem.text,
609 Vector(pos_x, y_pos - int(label_font->get_height()/2)),
610 ALIGN_CENTER, LAYER_GUI);
615 case MN_CONTROLFIELD:
617 float left = pos_x - menu_width/2 + 16;
618 float right = pos_x + menu_width/2 - 16;
620 if(pitem.kind == MN_TEXTFIELD || pitem.kind == MN_NUMFIELD)
622 if(active_item == index)
623 context.draw_text(field_font,
624 pitem.get_input_with_symbol(true),
625 Vector(right, y_pos - int(field_font->get_height()/2)),
626 ALIGN_RIGHT, LAYER_GUI);
628 context.draw_text(field_font,
629 pitem.get_input_with_symbol(false),
630 Vector(right, y_pos - int(field_font->get_height()/2)),
631 ALIGN_RIGHT, LAYER_GUI);
634 context.draw_text(field_font, pitem.input,
635 Vector(right, y_pos - int(field_font->get_height()/2)),
636 ALIGN_RIGHT, LAYER_GUI);
638 context.draw_text(text_font, pitem.text,
639 Vector(left, y_pos - int(text_font->get_height()/2)),
640 ALIGN_LEFT, LAYER_GUI);
643 case MN_STRINGSELECT:
645 int list_pos_2 = list_width + 16;
646 int list_pos = list_width/2;
647 int text_pos = (text_width + 16)/2;
650 context.draw_surface(arrow_left.get(),
651 Vector(x_pos - list_pos + text_pos - 17, y_pos - 8),
653 context.draw_surface(arrow_right.get(),
654 Vector(x_pos - list_pos + text_pos - 1 + list_pos_2, y_pos - 8),
657 /* Draw input background */
658 context.draw_filled_rect(
659 Vector(x_pos - list_pos + text_pos - 1, y_pos - 10),
660 Vector(list_pos_2 + 2, 20),
661 Color(1.0f, 1.0f, 1.0f, 1.0f), LAYER_GUI - 4);
662 context.draw_filled_rect(
663 Vector(x_pos - list_pos + text_pos, y_pos - 9),
664 Vector(list_pos_2, 18),
665 Color(0, 0, 0, 0.5f), LAYER_GUI - 5);
667 context.draw_text(text_font, pitem.list[pitem.selected],
668 Vector(pos_x + text_pos, y_pos - int(text_font->get_height()/2)),
669 ALIGN_CENTER, LAYER_GUI);
670 context.draw_text(text_font, pitem.text,
671 Vector(pos_x + list_pos_2/2, y_pos - int(text_font->get_height()/2)),
672 ALIGN_CENTER, LAYER_GUI);
677 context.draw_text(text_font, pitem.text,
678 Vector(pos_x, y_pos - int(text_font->get_height()/2)),
679 ALIGN_CENTER, LAYER_GUI);
680 context.draw_surface(back.get(),
681 Vector(x_pos + text_width/2 + 16, y_pos - 8),
688 context.draw_text(text_font, pitem.text,
689 Vector(pos_x - menu_width/2 + 16, y_pos - (text_font->get_height()/2)),
690 ALIGN_LEFT, LAYER_GUI);
693 context.draw_surface(checkbox_checked.get(),
694 Vector(x_pos + (menu_width/2-16) - checkbox->get_width(), y_pos - 8),
697 context.draw_surface(checkbox.get(),
698 Vector(x_pos + (menu_width/2-16) - checkbox->get_width(), y_pos - 8),
703 context.draw_text(text_font, pitem.text,
704 Vector(pos_x, y_pos - int(text_font->get_height()/2)),
705 ALIGN_CENTER, LAYER_GUI);
709 context.draw_text(text_font, pitem.text,
710 Vector(pos_x, y_pos - int(text_font->get_height()/2)),
711 ALIGN_CENTER, LAYER_GUI);
717 Menu::get_width() const
719 /* The width of the menu has to be more than the width of the text
720 with the most characters */
721 float menu_width = 0;
722 for(unsigned int i = 0; i < items.size(); ++i)
724 Font* font = default_font;
725 if(items[i]->kind == MN_LABEL)
728 float w = font->get_text_width(items[i]->text) +
729 label_font->get_text_width(items[i]->input) + 16;
730 if(items[i]->kind == MN_TOGGLE)
737 return menu_width + 24;
741 Menu::get_height() const
743 return items.size() * 24;
746 /* Draw the current menu. */
748 Menu::draw(DrawingContext& context)
750 if(MouseCursor::current()) {
751 MouseCursor::current()->draw(context);
754 float menu_width = get_width();
755 float menu_height = get_height();
757 if (effect_progress != 1.0f)
761 menu_width = (menu_width * effect_progress) + (Menu::previous->get_width() * (1.0f - effect_progress));
762 menu_height = (menu_height * effect_progress) + (Menu::previous->get_height() * (1.0f - effect_progress));
763 //std::cout << effect_progress << " " << this << " " << last_menus.back() << std::endl;
767 menu_width *= effect_progress;
768 menu_height *= effect_progress;
772 /* Draw a transparent background */
773 context.draw_filled_rect(Rect(Vector(pos_x - menu_width/2-4, pos_y - menu_height/2 - 10-4),
774 Vector(pos_x + menu_width/2+4, pos_y - menu_height/2 + 10 + menu_height+4)),
775 Color(0.2f, 0.3f, 0.4f, 0.8f),
779 context.draw_filled_rect(Rect(Vector(pos_x - menu_width/2, pos_y - menu_height/2 - 10),
780 Vector(pos_x + menu_width/2, pos_y - menu_height/2 + 10 + menu_height)),
781 Color(0.6f, 0.7f, 0.8f, 0.5f),
785 if (effect_progress == 1.0f)
786 for(unsigned int i = 0; i < items.size(); ++i)
788 draw_item(context, i);
793 Menu::get_item_by_id(int id)
795 for(std::vector<MenuItem*>::iterator i = items.begin();
796 i != items.end(); ++i) {
797 MenuItem& item = **i;
803 throw std::runtime_error("MenuItem not found");
807 Menu::get_item_by_id(int id) const
809 for(std::vector<MenuItem*>::const_iterator i = items.begin();
810 i != items.end(); ++i) {
811 const MenuItem& item = **i;
817 throw std::runtime_error("MenuItem not found");
820 int Menu::get_active_item_id()
822 return items[active_item]->id;
826 Menu::is_toggled(int id) const
828 return get_item_by_id(id).toggled;
832 Menu::get_parent() const
834 if (last_menus.empty())
837 return last_menus.back();
840 /* Check for menu event */
842 Menu::event(const SDL_Event& event)
844 if(effect_progress != 1.0f)
848 case SDL_MOUSEBUTTONDOWN:
850 int x = int(event.motion.x * float(SCREEN_WIDTH)/screen->w);
851 int y = int(event.motion.y * float(SCREEN_HEIGHT)/screen->h);
853 if(x > pos_x - get_width()/2 &&
854 x < pos_x + get_width()/2 &&
855 y > pos_y - get_height()/2 &&
856 y < pos_y + get_height()/2)
858 menuaction = MENU_ACTION_HIT;
863 case SDL_MOUSEMOTION:
865 float x = event.motion.x * SCREEN_WIDTH/screen->w;
866 float y = event.motion.y * SCREEN_HEIGHT/screen->h;
868 if(x > pos_x - get_width()/2 &&
869 x < pos_x + get_width()/2 &&
870 y > pos_y - get_height()/2 &&
871 y < pos_y + get_height()/2)
874 = static_cast<int> ((y - (pos_y - get_height()/2)) / 24);
876 /* only change the mouse focus to a selectable item */
877 if ((items[new_active_item]->kind != MN_HL)
878 && (items[new_active_item]->kind != MN_LABEL)
879 && (items[new_active_item]->kind != MN_DEACTIVE))
880 active_item = new_active_item;
882 if(MouseCursor::current())
883 MouseCursor::current()->set_state(MC_LINK);
887 if(MouseCursor::current())
888 MouseCursor::current()->set_state(MC_NORMAL);
899 Menu::set_active_item(int id)
901 for(size_t i = 0; i < items.size(); ++i) {
902 MenuItem* item = items[i];