2 // C Implementation: button
7 // Author: Tobias Glaesser <tobi.web@gmx.de>, (C) 2004
9 // Copyright: See COPYING file that comes with this distribution
20 void button_load(button_type* pbutton,char* icon_file, char* info, SDLKey shortcut, int x, int y)
26 snprintf(filename, 1024, "%s/%s", DATA_PREFIX, icon_file);
27 if(!faccessible(filename))
28 snprintf(filename, 1024, "%s/images/icons/default-icon.png", DATA_PREFIX);
32 snprintf(filename, 1024, "%s/images/icons/default-icon.png", DATA_PREFIX);
34 texture_load(&pbutton->icon,filename,USE_ALPHA);
42 pbutton->info = (char*) malloc(sizeof(char)*(strlen(info) + 1));
43 strcpy(pbutton->info,info);
46 pbutton->shortcut = shortcut;
50 pbutton->w = pbutton->icon.w;
51 pbutton->h = pbutton->icon.h;
53 pbutton->show_info = NO;
56 button_type* button_create(char* icon_file, char* info, SDLKey shortcut, int x, int y)
58 button_type* pnew_button = (button_type*) malloc(sizeof(button_type));
59 button_load(pnew_button,icon_file, info, shortcut, x, y);
63 void button_draw(button_type* pbutton)
65 fillrect(pbutton->x,pbutton->y,pbutton->w,pbutton->h,75,75,75,200);
66 fillrect(pbutton->x+1,pbutton->y+1,pbutton->w-2,pbutton->h-2,175,175,175,200);
67 texture_draw(&pbutton->icon,pbutton->x,pbutton->y,NO_UPDATE);
68 if(pbutton->show_info == YES)
73 if(0 > pbutton->x - (int)strlen(pbutton->info) * white_small_text.w)
74 i = pbutton->w + strlen(pbutton->info) * white_small_text.w;
77 text_draw(&white_small_text, pbutton->info, i + pbutton->x - strlen(pbutton->info) * white_small_text.w, pbutton->y, 1, NO_UPDATE);
78 sprintf(str,"(%s)", SDL_GetKeyName(pbutton->shortcut));
79 text_draw(&white_small_text, str, i + pbutton->x - strlen(str) * white_small_text.w, pbutton->y + white_small_text.h+2, 1, NO_UPDATE);
81 if(pbutton->state == BN_PRESSED)
82 fillrect(pbutton->x,pbutton->y,pbutton->w,pbutton->h,75,75,75,200);
83 else if(pbutton->state == BN_HOVER)
84 fillrect(pbutton->x,pbutton->y,pbutton->w,pbutton->h,150,150,150,128);
87 void button_free(button_type* pbutton)
90 texture_free(&pbutton->icon);
93 void button_event(button_type* pbutton, SDL_Event *event)
95 SDLKey key = event->key.keysym.sym;
97 if(event->motion.x > pbutton->x && event->motion.x < pbutton->x + pbutton->w &&
98 event->motion.y > pbutton->y && event->motion.y < pbutton->y + pbutton->h)
100 if(event->type == SDL_MOUSEBUTTONDOWN)
102 if(event->button.button == SDL_BUTTON_LEFT)
104 pbutton->state = BN_PRESSED;
108 pbutton->show_info = YES;
111 else if(event->type == SDL_MOUSEBUTTONUP)
113 if(event->button.button == SDL_BUTTON_LEFT && pbutton->state == BN_PRESSED)
115 pbutton->state = BN_CLICKED;
117 else if(event->button.button != SDL_BUTTON_LEFT && pbutton->state != BN_PRESSED)
119 pbutton->show_info = YES;
123 if(pbutton->state != BN_PRESSED && pbutton->state != BN_CLICKED)
125 pbutton->state = BN_HOVER;
128 else if(event->type != SDL_KEYDOWN && event->type != SDL_KEYUP)
131 if(pbutton->show_info)
133 pbutton->show_info = NO;
137 if(event->type == SDL_KEYDOWN)
139 if(key == pbutton->shortcut)
140 pbutton->state = BN_PRESSED;
142 else if(event->type == SDL_KEYUP)
144 if(pbutton->state == BN_PRESSED && key == pbutton->shortcut)
145 pbutton->state = BN_CLICKED;
147 else if(event->type == SDL_MOUSEMOTION)
150 if(pbutton->show_info)
152 pbutton->show_info = NO;
157 int button_get_state(button_type* pbutton)
160 if(pbutton->state == BN_CLICKED)
162 state = pbutton->state;
167 return pbutton->state;
170 void button_panel_init(button_panel_type* pbutton_panel, int x, int y, int w, int h)
172 pbutton_panel->num_items = 0;
173 pbutton_panel->item = NULL;
174 pbutton_panel->x = x;
175 pbutton_panel->y = y;
176 pbutton_panel->w = w;
177 pbutton_panel->h = h;
180 void button_panel_free(button_panel_type* pbutton_panel)
183 for(i = 0; i < pbutton_panel->num_items; ++i)
185 button_free(&pbutton_panel->item[i]);
187 if(pbutton_panel->num_items)
188 free(pbutton_panel->item);
191 void button_panel_draw(button_panel_type* pbutton_panel)
194 fillrect(pbutton_panel->x,pbutton_panel->y,pbutton_panel->w,pbutton_panel->h,100,100,100,200);
195 for(i = 0; i < pbutton_panel->num_items; ++i)
197 button_draw(&pbutton_panel->item[i]);
201 void button_panel_additem(button_panel_type* pbutton_panel, button_type* pbutton)
203 int max_cols, row, col;
205 ++pbutton_panel->num_items;
206 pbutton_panel->item = (button_type*) realloc(pbutton_panel->item, sizeof(button_type) * pbutton_panel->num_items);
207 memcpy(&pbutton_panel->item[pbutton_panel->num_items-1],pbutton,sizeof(button_type));
210 /* A button_panel takes control of the buttons it contains and arranges them */
212 max_cols = pbutton_panel->w / 32;
214 row = pbutton_panel->num_items / max_cols;
215 col = pbutton_panel->num_items % max_cols;
217 pbutton_panel->item[pbutton_panel->num_items-1].x = pbutton_panel->x + col * 32;
218 pbutton_panel->item[pbutton_panel->num_items-1].y = pbutton_panel->y + row * 32;