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19 package org.netbeans.swing.plaf.gtk;
20
21 import javax.swing.*;
22 import javax.swing.border.Border  ;
23 import java.awt.*;
24
25
33 public class AdaptiveMatteBorder implements Border {
34 private Insets insets;
35 private int shadowDepth;
36 private boolean topLeftInsets;
37
38
39 public AdaptiveMatteBorder(boolean t, boolean l, boolean b, boolean r, int shadowDepth, boolean topLeftInsets) {
40 insets = new Insets (t ? topLeftInsets ? shadowDepth + 1 : 1 : 0, l ? topLeftInsets ? shadowDepth + 1: 1 : 0, b ? 1 + shadowDepth : shadowDepth, r ? 1 + shadowDepth : shadowDepth);
41 this.shadowDepth = shadowDepth;
42 this.topLeftInsets = topLeftInsets;
43 }
44
45 public AdaptiveMatteBorder(boolean t, boolean l, boolean b, boolean r, int shadowDepth) {
46 this (t, l, b, r, shadowDepth, false);
47 }
48
49 private Insets maybeOmitInsets (Insets ins, Component c) {
50 if (shadowDepth <= 0 || !topLeftInsets) {
51 return ins;
52 }
53 Insets result = new Insets(ins.top, ins.left, ins.right, ins.bottom);
54 if (topLeftInsets) {
55 Point p = c.getLocation();
56 if (p.x > 10) {
57 result.left = 1;
58 }
59 if (p.y > 10) {
60 result.top = 1;
61 }
62 }
63 return result;
64 }
65
66 public Insets getBorderInsets(Component c) {
67 return maybeOmitInsets(insets, c);
68 }
69
70 public boolean isBorderOpaque() {
71 return false;
72 }
73
74
75 public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {
76 Color color = g.getColor();
77 Insets ins = getBorderInsets(c);
78 Point p = c.getLocation();
79
80 g.setColor (UIManager.getColor("controlShadow")); w -= shadowDepth;
83 h -= shadowDepth;
84 if (topLeftInsets) {
85 if (p.y <= 10) {
86 y += shadowDepth;
87 h -= shadowDepth;
88 }
89 if (p.x <= 10) {
90 x += shadowDepth;
91 w -= shadowDepth;
92 }
93 }
94 if (ins.top > 0) {
95 g.fillRect(x, y, w, 1);
96 }
97 if (ins.left > 0) {
98 g.fillRect(x, y, 1, h);
99 }
100 if (ins.right > 0) {
101 g.fillRect(x + w - 1, y, 1, h);
102 }
103 if (ins.bottom > 0) {
104 g.fillRect(x, y + h - 1, w, 1);
105 }
106
107 boolean isViewTab = isViewTab(c);
108
109 if (shadowDepth > 1) {
110 Rectangle clip = g.getClipBounds();
111 boolean clipTouchesRight = ((clip.x + clip.width) >= (x + w));
112 boolean clipTouchesBottom = ((clip.y + clip.height) >= (y + h));
113
114 if (clipTouchesBottom || clipTouchesRight) {
115 Color ctrl = UIManager.getColor ("control"); Color base = UIManager.getColor("controlShadow");
117
118 Color curr;
119 for (int i = 1; i < shadowDepth; i++) {
120 curr = colorTowards (base, ctrl, shadowDepth, i+1);
121 g.setColor (curr);
122 if (clipTouchesRight && ins.right > 0) {
123 g.fillRect(x + w - 1 + i, y + (isViewTab ? 0 : i), 1, h);
124 }
125 if (clipTouchesBottom && ins.bottom > 0) {
126 g.fillRect(x + i, y + h - 1 + i, w - 1, 1);
127 }
128 }
129 }
130 }
131 g.setColor (color);
132 }
133
134
137 static boolean isViewTab (Component c) {
138 if (c.getParent() instanceof JComponent) {
139 JComponent jc = (JComponent) c.getParent();
140 Object o = jc.getClientProperty("viewType");
141 if (o != null && o instanceof Integer ) {
142 return ((Integer ) o).intValue() == 0;
143 }
144 }
145 return false;
146 }
147
148 private static final float[] comps = new float[4];
149 private static final float[] targs = new float[4];
150
151 static final Color colorTowards (Color base, Color target, float steps, float step) {
152 base.getColorComponents(comps);
153 target.getColorComponents(targs);
154
155 comps[3] = 1.0f;
157 float factor = (step / steps);
158
159 for (int i=0; i < 3; i++) {
160 comps[i] = saturate(comps[i] - (factor * (comps[i] - targs[i])));
161 }
162
163
164 Color result = new Color (comps[0], comps[1], comps[2], comps[3]);
166 return result;
167 }
168
169 private static final float saturate (float f) {
170 float orig = f;
171 if (f > 1) {
172 f = 1;
173 }
174 if (f < 0) {
175 f = 0;
176 }
177 return f;
178 }
179
180 }
181
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