1 /*
2 * Copyright (c) 2002, 2006, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package com.sun.java.swing.plaf.gtk;
26
27 import javax.swing.*;
28 import javax.swing.plaf.synth.*;
29 import java.awt.Color;
30 import java.awt.Graphics;
31 import java.awt.Rectangle;
32
33 /**
34 * @author Joshua Outwater
35 */
36 class GTKGraphicsUtils extends SynthGraphicsUtils {
37 public void paintText(SynthContext context, Graphics g, String text,
38 int x, int y, int mnemonicIndex) {
39 if (text == null || text.length() <= 0) {
40 // We don't need to paint empty strings
41 return;
42 }
43
44 if (context.getRegion() == Region.INTERNAL_FRAME_TITLE_PANE) {
45 // Metacity handles painting of text on internal frame title,
46 // ignore this.
47 return;
48 }
49 int componentState = context.getComponentState();
50 if ((componentState & SynthConstants.DISABLED) ==
51 SynthConstants.DISABLED){
52 Color orgColor = g.getColor();
53 g.setColor(context.getStyle().getColor(context,
54 GTKColorType.WHITE));
55 x += 1;
56 y += 1;
57 super.paintText(context, g, text, x, y, mnemonicIndex);
58
59 g.setColor(orgColor);
60 x -= 1;
61 y -= 1;
62 super.paintText(context, g, text, x, y, mnemonicIndex);
63 }
64 else {
65 String themeName = GTKLookAndFeel.getGtkThemeName();
66 if (themeName != null && themeName.startsWith("blueprint") &&
67 shouldShadowText(context.getRegion(), componentState)) {
68
69 g.setColor(Color.BLACK);
70 super.paintText(context, g, text, x+1, y+1, mnemonicIndex);
71 g.setColor(Color.WHITE);
72 }
73
74 super.paintText(context, g, text, x, y, mnemonicIndex);
75 }
76 }
77
78 /**
79 * Paints text at the specified location. This will not attempt to
80 * render the text as html nor will it offset by the insets of the
81 * component.
82 *
83 * @param ss SynthContext
84 * @param g Graphics used to render string in.
85 * @param text Text to render
86 * @param bounds Bounds of the text to be drawn.
87 * @param mnemonicIndex Index to draw string at.
88 */
89 public void paintText(SynthContext context, Graphics g, String text,
90 Rectangle bounds, int mnemonicIndex) {
91 if (text == null || text.length() <= 0) {
92 // We don't need to paint empty strings
93 return;
94 }
95
96 Region id = context.getRegion();
97 if ((id == Region.RADIO_BUTTON ||
98 id == Region.CHECK_BOX ||
99 id == Region.TABBED_PANE_TAB) &&
100 (context.getComponentState() & SynthConstants.FOCUSED) != 0)
101 {
102 JComponent source = context.getComponent();
103 if (!(source instanceof AbstractButton) ||
104 ((AbstractButton)source).isFocusPainted()) {
105
106 // The "bounds" parameter encompasses only the actual text;
107 // when drawing the focus, we need to expand that bounding
108 // box by "focus-line-width" plus "focus-padding". Note that
109 // the layout process for these components will have already
110 // taken these values into account, so there should always
111 // be enough space allocated for drawing the focus indicator.
112 int synthState = context.getComponentState();
113 GTKStyle style = (GTKStyle)context.getStyle();
114 int focusSize =
115 style.getClassSpecificIntValue(context,
116 "focus-line-width", 1);
117 int focusPad =
118 style.getClassSpecificIntValue(context,
119 "focus-padding", 1);
120 int totalFocus = focusSize + focusPad;
121 int x = bounds.x - totalFocus;
122 int y = bounds.y - totalFocus;
123 int w = bounds.width + (2 * totalFocus);
124 int h = bounds.height + (2 * totalFocus);
125
126 Color color = g.getColor();
127 GTKPainter.INSTANCE.paintFocus(context, g, id,
128 synthState, "checkbutton",
129 x, y, w, h);
130 g.setColor(color);
131 }
132 }
133 super.paintText(context, g, text, bounds, mnemonicIndex);
134 }
135
136 private static boolean shouldShadowText(Region id, int state) {
137 int gtkState = GTKLookAndFeel.synthStateToGTKState(id, state);
138 return((gtkState == SynthConstants.MOUSE_OVER) &&
139 (id == Region.MENU ||
140 id == Region.MENU_ITEM ||
141 id == Region.CHECK_BOX_MENU_ITEM ||
142 id == Region.RADIO_BUTTON_MENU_ITEM));
143 }
144 }