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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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(); |
| 4073 | leency | 9 | int ProcessKey(dword key); |
| 4059 | leency | 10 | int KeyDown(); |
| 11 | int KeyUp(); |
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| 4063 | leency | 12 | int KeyHome(); |
| 13 | int KeyEnd(); |
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| 3225 | leency | 14 | void SetSizes(int xx, yy, ww, hh, min_hh, line_hh); |
| 15 | int MouseScroll(dword scroll_state); |
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| 16 | }; |
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| 17 | |||
| 18 | |||
| 19 | void llist::ClearList() |
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| 20 | { |
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| 21 | count = visible = first = current = 0; |
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| 22 | } |
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| 23 | |||
| 24 | |||
| 25 | void llist::SetSizes(int xx, yy, ww, hh, min_hh, line_hh) |
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| 26 | { |
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| 27 | x = xx; |
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| 28 | y = yy; |
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| 29 | w = ww; |
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| 30 | h = hh; |
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| 31 | min_h = min_hh; |
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| 32 | line_h = line_hh; |
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| 3368 | leency | 33 | visible = h / line_h; |
| 3225 | leency | 34 | } |
| 35 | |||
| 36 | |||
| 37 | int llist::MouseScroll(dword scroll_state) |
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| 38 | { |
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| 39 | if (scroll_state == 65535) |
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| 40 | { |
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| 41 | if (first == 0) return 0; |
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| 42 | if (first > 3) first -= 2; else first=0; |
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| 43 | return 1; |
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| 44 | } |
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| 45 | if (scroll_state == 1) |
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| 46 | { |
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| 47 | if (visible+first+3 >= count) first = count - visible; else first+=2; |
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| 48 | return 1; |
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| 49 | } |
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| 50 | return 0; |
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| 4059 | leency | 51 | } |
| 52 | |||
| 4073 | leency | 53 | int llist::ProcessKey(dword key) |
| 54 | { |
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| 55 | switch(key) |
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| 56 | { |
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| 57 | case 177: return KeyDown(); |
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| 58 | case 178: return KeyUp(); |
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| 59 | case 180: return KeyHome(); |
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| 60 | case 181: return KeyEnd(); |
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| 61 | } |
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| 62 | return 0; |
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| 63 | } |
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| 64 | |||
| 4059 | leency | 65 | int llist::KeyDown() |
| 66 | { |
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| 67 | if (current-first+1 |
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| 68 | { |
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| 4063 | leency | 69 | if (current+1>=count) return 0; |
| 4059 | leency | 70 | current++; |
| 71 | } |
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| 72 | else |
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| 73 | { |
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| 4063 | leency | 74 | if (visible+first>=count) return 0; |
| 4059 | leency | 75 | first++; |
| 76 | current++; |
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| 77 | } |
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| 78 | return 1; |
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| 79 | } |
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| 80 | |||
| 81 | int llist::KeyUp() |
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| 82 | { |
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| 83 | if (current>first) |
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| 84 | { |
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| 85 | current--; |
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| 86 | } |
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| 87 | else |
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| 88 | { |
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| 4063 | leency | 89 | if (first==0) return 0; |
| 4059 | leency | 90 | first--; |
| 91 | current--; |
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| 92 | } |
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| 93 | return 1; |
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| 4063 | leency | 94 | } |
| 95 | |||
| 96 | int llist::KeyHome() |
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| 97 | { |
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| 98 | if (current==0) && (first==0) return 0; |
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| 99 | current=0; |
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| 100 | first=0; |
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| 101 | return 1; |
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| 102 | } |
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| 103 | |||
| 104 | int llist::KeyEnd() |
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| 105 | { |
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| 106 | if (current==count-1) && (first==count-visible) return 0; |
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| 107 | current=count-1; |
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| 108 | first=count-visible; |
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| 109 | return 1; |
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| 3225 | leency | 110 | } |