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Rev | Author | Line No. | Line |
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3225 | leency | 1 | //list_box |
2 | |||
3 | struct llist |
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4 | { |
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4049 | leency | 5 | int x, y, w, h, min_h, line_h; |
3225 | leency | 6 | int count, visible, first, current; |
4049 | leency | 7 | int current_temp; |
3225 | leency | 8 | void ClearList(); |
4059 | leency | 9 | int KeyDown(); |
10 | int KeyUp(); |
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3225 | leency | 11 | void SetSizes(int xx, yy, ww, hh, min_hh, line_hh); |
12 | int MouseScroll(dword scroll_state); |
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13 | }; |
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14 | |||
15 | |||
16 | void llist::ClearList() |
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17 | { |
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18 | count = visible = first = current = 0; |
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19 | } |
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20 | |||
21 | |||
22 | void llist::SetSizes(int xx, yy, ww, hh, min_hh, line_hh) |
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23 | { |
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24 | x = xx; |
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25 | y = yy; |
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26 | w = ww; |
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27 | h = hh; |
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28 | min_h = min_hh; |
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29 | line_h = line_hh; |
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3368 | leency | 30 | visible = h / line_h; |
3225 | leency | 31 | } |
32 | |||
33 | |||
34 | int llist::MouseScroll(dword scroll_state) |
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35 | { |
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36 | if (scroll_state == 65535) |
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37 | { |
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38 | if (first == 0) return 0; |
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39 | if (first > 3) first -= 2; else first=0; |
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40 | return 1; |
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41 | } |
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42 | if (scroll_state == 1) |
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43 | { |
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44 | if (visible+first+3 >= count) first = count - visible; else first+=2; |
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45 | return 1; |
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46 | } |
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47 | return 0; |
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4059 | leency | 48 | } |
49 | |||
50 | int llist::KeyDown() |
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51 | { |
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52 | if (current-first+1 |
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53 | { |
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54 | if (current+1>=count) return -1; |
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55 | current++; |
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56 | } |
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57 | else |
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58 | { |
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59 | if (visible+first>=count) return -1; |
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60 | first++; |
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61 | current++; |
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62 | } |
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63 | return 1; |
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64 | } |
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65 | |||
66 | int llist::KeyUp() |
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67 | { |
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68 | if (current>first) |
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69 | { |
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70 | current--; |
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71 | } |
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72 | else |
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73 | { |
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74 | if (first==0) return -1; |
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75 | first--; |
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76 | current--; |
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77 | } |
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78 | return 1; |
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3225 | leency | 79 | } |