1 /***************************************************************************
2 button.cpp - graphical buttons
5 copyright : (C) 2004 by Ricardo Cruz
7 ***************************************************************************/
9 /***************************************************************************
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 ***************************************************************************/
21 #include "../gui/button.h"
22 #include "../gui/mousecursor.h"
23 #include "../app/globals.h"
24 #include "../video/font.h"
26 using namespace SuperTux;
28 Font* Button::info_font = 0;
32 Button::Button(Surface* image_, std::string info_, SDLKey binding_)
36 size = Vector(image->w, image->h);
45 void Button::draw(DrawingContext &context, bool selected)
48 context.draw_filled_rect(pos, size, Color (200,240,220), LAYER_GUI);
50 context.draw_filled_rect(pos, size, Color (200,200,220), LAYER_GUI);
52 Vector tanslation = -context.get_translation();
53 if(state == BT_SHOW_INFO)
56 if(pos.x + tanslation.x < 100 && pos.y + tanslation.y > screen->h - 20)
57 offset = Vector(size.x, - 10);
58 else if(pos.x + tanslation.x < 100)
59 offset = Vector(size.x, 0);
61 offset = Vector(-30, -size.y/2);
62 context.draw_text(info_font, info, pos + offset, LEFT_ALLIGN, LAYER_GUI+2);
64 context.draw_text(info_font, "(" + std::string(SDL_GetKeyName(binding)) +
65 ")", pos + offset + Vector(0,12),
66 LEFT_ALLIGN, LAYER_GUI+2);
69 context.draw_surface_part(image, Vector(0,0), size, pos, LAYER_GUI+1);
72 int Button::event(SDL_Event &event, int x_offset, int y_offset)
77 case SDL_MOUSEBUTTONDOWN:
78 if(event.button.x > pos.x + x_offset && event.button.x < pos.x + x_offset + size.x &&
79 event.button.y > pos.y + y_offset && event.button.y < pos.y + y_offset + size.y)
81 if(event.button.button == SDL_BUTTON_RIGHT)
85 case SDL_MOUSEBUTTONUP:
86 if(event.button.x > pos.x + x_offset && event.button.x < pos.x + x_offset + size.x &&
87 event.button.y > pos.y + y_offset && event.button.y < pos.y + y_offset + size.y)
89 if(event.button.button == SDL_BUTTON_LEFT)
93 case SDL_KEYDOWN: // key pressed
94 if(event.key.keysym.sym == binding)
103 /* Group of buttons */
105 ButtonGroup::ButtonGroup(Vector pos_, Vector buttons_size_, Vector buttons_box_)
106 : pos(pos_), buttons_size(buttons_size_), buttons_box(buttons_box_)
110 button_selected = -1;
112 mouse_left_button = false;
116 ButtonGroup::~ButtonGroup()
120 void ButtonGroup::add_button(Button button, int id, bool select)
122 button.pos.x = ((buttons.size()-buttons_pair_nb) % (int)buttons_box.x) * buttons_size.x;
123 button.pos.y = ((int)((buttons.size()-buttons_pair_nb) / buttons_box.x)) * buttons_size.y;
124 button.size = buttons_size;
127 button_selected = id;
129 buttons.push_back(button);
132 void ButtonGroup::add_pair_of_buttons(Button button1, int id1, Button button2, int id2)
134 button1.pos.x = button2.pos.x = ((buttons.size()-buttons_pair_nb) % (int)buttons_box.x) * buttons_size.x;
135 button1.pos.y = button2.pos.y = ((int)((buttons.size()-buttons_pair_nb) / buttons_box.x)) * buttons_size.y;
136 button1.size.x = button2.size.x = buttons_size.x;
137 button1.size.y = button2.size.y = buttons_size.y / 2;
138 button2.pos.y += buttons_size.y / 2;
143 buttons.push_back(button1);
144 buttons.push_back(button2);
147 void ButtonGroup::draw(DrawingContext &context)
149 context.draw_filled_rect(pos - Vector(12,4),
150 Vector(buttons_size.x*buttons_box.x + 16, buttons_size.y*buttons_box.y + 8),
151 Color (0,0,0, 128), LAYER_GUI-1);
153 context.push_transform();
154 context.set_translation(Vector(-pos.x, -pos.y + buttons_size.y*row));
155 for(Buttons::iterator i = buttons.begin(); i != buttons.end(); ++i)
157 if(i->pos.y < row*buttons_size.y ||
158 i->pos.y + i->size.y > (row + buttons_box.y) * buttons_size.y)
161 i->draw(context, i->id == button_selected ? true : false);
163 context.pop_transform();
166 bool ButtonGroup::event(SDL_Event &event)
168 bool caught_event = false;
172 case SDL_MOUSEMOTION:
175 if(mouse_left_button)
177 pos.x += event.motion.xrel;
178 pos.y += event.motion.yrel;
181 if(event.button.x > pos.x-12 && event.button.x < pos.x+16 + buttons_box.x*buttons_size.x &&
182 event.button.y > pos.y-4 && event.button.y < pos.y+8 + buttons_box.y*buttons_size.y)
185 case SDL_MOUSEBUTTONDOWN:
186 if(event.button.x < pos.x-12 || event.button.x > pos.x+16 +
187 buttons_box.x*buttons_size.x || event.button.y < pos.y-4 ||
188 event.button.y > pos.y+8 + buttons_box.y*buttons_size.y)
193 if(event.button.button == SDL_BUTTON_WHEELUP)
199 else if(event.button.button == SDL_BUTTON_WHEELDOWN)
202 if(row > (int)((buttons.size()-buttons_pair_nb)/buttons_box.x) - (int)buttons_box.y +
203 ((int)(buttons.size()-buttons_pair_nb)%(int)buttons_box.x != 0 ? 1 : 0))
204 row = (int)((buttons.size()-buttons_pair_nb)/buttons_box.x) - (int)buttons_box.y +
205 ((int)(buttons.size()-buttons_pair_nb)%(int)buttons_box.x != 0 ? 1 : 0);
207 else if(event.button.button == SDL_BUTTON_LEFT)
208 mouse_left_button = true;
210 caught_event = false;
212 case SDL_MOUSEBUTTONUP:
213 mouse_left_button = false;
222 for(Buttons::iterator i = buttons.begin(); i != buttons.end(); ++i)
224 if(i->pos.y < row*buttons_size.y ||
225 i->pos.y + i->size.y > (row + buttons_box.y) * buttons_size.y)
228 if(i->event(event, (int)pos.x,
229 (int)pos.y - row*(int)buttons_size.y) == BT_SELECTED)
231 button_selected = i->id;
240 int ButtonGroup::selected_id()
242 return button_selected;
245 void ButtonGroup::set_unselected()
247 button_selected = -1;
250 bool ButtonGroup::is_hover()