1 #include "menu.h" 2 3 /* Finds the selected entry then selects next */ 4 void select_next(Entry *entries) { 5 for(int i = 0; i < TOTAL_ENTRIES; i++) { 6 if(entries[i].selected == true) { 7 entries[i].selected = false; 8 if((i + 1) == TOTAL_ENTRIES) entries[0].selected = true; 9 else entries[i + 1].selected = true; 10 i++; 11 continue; 12 } 13 entries[i].selected = false; 14 } 15 } 16 17 /* Finds the selected entry then selects previous */ 18 void select_prev(Entry *entries) { 19 for(int i = 0; i < TOTAL_ENTRIES; i++) { 20 if(entries[i].selected == true) { 21 entries[i].selected = false; 22 if(i == 0) { 23 entries[TOTAL_ENTRIES - 1].selected = true; 24 break; 25 } 26 else entries[i - 1].selected = true; 27 } 28 } 29 } 30 31 void select_index(Entry *entries, size_t index) { 32 size_t i; 33 for(i = 0; i < TOTAL_ENTRIES; i++) { 34 if(entries[i].index == index) entries[i].selected = true; 35 else if(entries[i].selected == true) entries[i].selected = false; 36 } 37 } 38 39 size_t entry_at(Entry *entries, int x, int y) { 40 size_t i; 41 42 for(i = 0; i < TOTAL_ENTRIES; i++) 43 if((y < entries[i].pos.y) && (y > (entries[i].pos.y - BAR_H))) 44 return i; 45 46 return TOTAL_ENTRIES; 47 } 48 49 void compute_entries_pos(Entry *entries, int win_w, int win_h) { 50 int first_entry_pos_y, win_center_y; 51 size_t i; 52 53 win_center_y = (win_h / 2); 54 first_entry_pos_y = win_center_y - 55 ((((BAR_H + ELEMENTS_PADDING) * TOTAL_ENTRIES) - ELEMENTS_PADDING) / 2) + BAR_H; 56 57 for(i = 0; i < TOTAL_ENTRIES; i++) { 58 entries[i].pos.x = BAR_BORDER; 59 entries[i].pos.y = (first_entry_pos_y + (entries[i].index * (ELEMENTS_PADDING + BAR_H))); 60 } 61 } 62 63 void hover_entry(Entry *entries, size_t index) { 64 size_t i; 65 66 for(i = 0; i < TOTAL_ENTRIES; i++) 67 entries[i].hover = ((i == index) ? true : false); 68 } 69 70 void hover_at(Entry *entries, int x, int y) { 71 size_t i; 72 73 for(i = 0; i < TOTAL_ENTRIES; i++) { 74 if((y < entries[i].pos.y) && (y > (entries[i].pos.y - BAR_H))) 75 entries[i].hover = true; 76 else entries[i].hover = false; 77 } 78 } 79 80 void draw_entry(SDL_Renderer *rend, TTF_Font *font, int win_w, int win_h, const Entry entry) { 81 SDL_Surface *text_surface; 82 SDL_Texture *text_texture; 83 SDL_Rect text_rect, box; 84 SDL_Color text_color, text_color_shadow; 85 int text_w, text_h; 86 87 text_color = mk_SDL_Color(UNHEX(FONT_COLOR)); 88 text_color_shadow = mk_SDL_Color(UNHEX(SHADOW_COLOR)); 89 90 box = (SDL_Rect){ BAR_BORDER, entry.pos.y, win_w - (BAR_BORDER * 2), -BAR_H }; 91 92 SDL_SetRenderDrawColor(rend, UNHEX(entry.selected ? SEL_COLOR : (entry.hover ? HOVER_COLOR : NORM_COLOR))); 93 SDL_RenderFillRect(rend, &box); 94 95 TTF_SizeText(font, entry.text, &text_w, &text_h); 96 97 /* Draw shadow */ 98 if(entry.selected) { 99 text_surface = TTF_RenderText_Blended(font, entry.text, text_color_shadow); 100 text_texture = SDL_CreateTextureFromSurface(rend, text_surface); 101 102 text_rect.x = (win_w / 2) - (text_w / 2) + 2; 103 text_rect.y = entry.pos.y - (BAR_H + 1) + 2; 104 text_rect.w = text_surface->w; 105 text_rect.h = text_surface->h; 106 107 SDL_RenderCopy(rend, text_texture, NULL, &text_rect); 108 SDL_DestroyTexture(text_texture); 109 SDL_FreeSurface(text_surface); 110 } 111 112 text_surface = TTF_RenderText_Blended(font, entry.text, text_color); 113 text_texture = SDL_CreateTextureFromSurface(rend, text_surface); 114 115 text_rect.x = (win_w / 2) - (text_w / 2); 116 text_rect.y = entry.pos.y - (BAR_H + 1); 117 text_rect.w = text_surface->w; 118 text_rect.h = text_surface->h; 119 120 SDL_RenderCopy(rend, text_texture, NULL, &text_rect); 121 SDL_DestroyTexture(text_texture); 122 SDL_FreeSurface(text_surface); 123 }
