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1 | package be.nikiroo.fanfix.reader.tui; |
2 | ||
3 | import jexer.TApplication; | |
4 | import jexer.THScroller; | |
5 | import jexer.TPanel; | |
6 | import jexer.TScrollableWindow; | |
7 | import jexer.TVScroller; | |
8 | import jexer.TWidget; | |
a8659744 | 9 | import jexer.event.TMouseEvent; |
c6815053 | 10 | import jexer.event.TResizeEvent; |
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11 | |
12 | public class TSimpleScrollableWindow extends TScrollableWindow { | |
13 | protected TPanel mainPane; | |
14 | private int prevHorizontal = -1; | |
15 | private int prevVertical = -1; | |
16 | ||
17 | public TSimpleScrollableWindow(TApplication application, String title, | |
18 | int width, int height) { | |
19 | this(application, title, width, height, 0, 0, 0); | |
20 | } | |
21 | ||
22 | public TSimpleScrollableWindow(TApplication application, String title, | |
23 | int width, int height, int flags) { | |
24 | this(application, title, width, height, flags, 0, 0); | |
25 | } | |
26 | ||
27 | // 0 = none (so, no scrollbar) | |
28 | public TSimpleScrollableWindow(TApplication application, String title, | |
29 | int width, int height, int flags, int realWidth, int realHeight) { | |
30 | super(application, title, width, height, flags); | |
31 | ||
c6815053 | 32 | mainPane = new TPanel(this, 0, 0, 1, 1) { |
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33 | @Override |
34 | public void draw() { | |
35 | for (TWidget children : mainPane.getChildren()) { | |
36 | int y = children.getY() + children.getHeight(); | |
37 | int x = children.getX() + children.getWidth(); | |
38 | boolean visible = (y > getVerticalValue()) | |
39 | && (x > getHorizontalValue()); | |
40 | children.setVisible(visible); | |
41 | } | |
42 | super.draw(); | |
43 | } | |
44 | }; | |
45 | ||
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46 | mainPane.setWidth(getWidth()); |
47 | mainPane.setHeight(getHeight()); | |
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48 | |
49 | setRealWidth(realWidth); | |
50 | setRealHeight(realHeight); | |
51 | placeScrollbars(); | |
52 | } | |
53 | ||
54 | /** | |
55 | * The main pane on which you can add other widgets for this scrollable | |
56 | * window. | |
57 | * | |
58 | * @return the main pane | |
59 | */ | |
60 | public TPanel getMainPane() { | |
61 | return mainPane; | |
62 | } | |
63 | ||
64 | public void setRealWidth(int realWidth) { | |
65 | if (realWidth <= 0) { | |
66 | if (hScroller != null) { | |
67 | hScroller.remove(); | |
68 | } | |
69 | } else { | |
70 | if (hScroller == null) { | |
71 | // size/position will be fixed by placeScrollbars() | |
72 | hScroller = new THScroller(this, 0, 0, 10); | |
73 | } | |
a8659744 | 74 | setRightValue(realWidth); |
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75 | } |
76 | ||
77 | reflowData(); | |
78 | } | |
79 | ||
80 | public void setRealHeight(int realHeight) { | |
81 | if (realHeight <= 0) { | |
82 | if (vScroller != null) { | |
83 | vScroller.remove(); | |
84 | } | |
85 | } else { | |
86 | if (vScroller == null) { | |
87 | // size/position will be fixed by placeScrollbars() | |
88 | vScroller = new TVScroller(this, 0, 0, 10); | |
89 | } | |
a8659744 | 90 | setBottomValue(realHeight); |
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91 | } |
92 | ||
93 | reflowData(); | |
94 | } | |
95 | ||
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96 | @Override |
97 | public void onResize(TResizeEvent event) { | |
98 | super.onResize(event); | |
99 | mainPane.setWidth(getWidth()); | |
100 | mainPane.setHeight(getHeight()); | |
101 | mainPane.onResize(event); | |
102 | } | |
103 | ||
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104 | @Override |
105 | public void reflowData() { | |
106 | super.reflowData(); | |
107 | reflowData(getHorizontalValue(), getVerticalValue()); | |
108 | } | |
109 | ||
110 | protected void reflowData(int totalX, int totalY) { | |
111 | super.reflowData(); | |
112 | mainPane.setX(-totalX); | |
113 | mainPane.setY(-totalY); | |
114 | } | |
115 | ||
116 | @Override | |
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117 | public void onMouseUp(TMouseEvent mouse) { |
118 | super.onMouseUp(mouse); | |
119 | ||
120 | // TODO: why? this should already be done by the scrollers | |
121 | // it could also mean we do it twice if, somehow, it sometime works... | |
122 | int mrx = mouse.getX(); | |
123 | int mry = mouse.getY(); | |
124 | ||
125 | int mx = mouse.getAbsoluteX(); | |
126 | int my = mouse.getAbsoluteY(); | |
127 | ||
128 | if (vScroller != null) { | |
129 | mouse.setX(mx - vScroller.getAbsoluteX()); | |
130 | mouse.setY(my - vScroller.getAbsoluteY()); | |
131 | vScroller.onMouseUp(mouse); | |
132 | } | |
133 | if (hScroller != null) { | |
134 | mouse.setX(mx - hScroller.getAbsoluteX()); | |
135 | mouse.setY(my - hScroller.getAbsoluteY()); | |
136 | hScroller.onMouseUp(mouse); | |
137 | } | |
138 | ||
139 | mouse.setX(mrx); | |
140 | mouse.setY(mry); | |
141 | // | |
142 | ||
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143 | if (prevHorizontal != getHorizontalValue() |
144 | || prevVertical != getVerticalValue()) { | |
145 | prevHorizontal = getHorizontalValue(); | |
146 | prevVertical = getVerticalValue(); | |
147 | reflowData(); | |
148 | } | |
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149 | } |
150 | } |