1 /*
2 * Copyright (c) 2000, 2014, 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
26 package com.sun.java.swing.plaf.windows;
27
28 import sun.swing.SwingUtilities2;
29
30 import java.awt.*;
31
32 import javax.swing.*;
33 import javax.swing.plaf.UIResource;
34
35 import static com.sun.java.swing.plaf.windows.TMSchema.*;
36
37 /**
38 * A collection of static utility methods used for rendering the Windows look
39 * and feel.
40 *
41 * @author Mark Davidson
42 * @since 1.4
43 */
44 public class WindowsGraphicsUtils {
45
46 /**
47 * Renders a text String in Windows without the mnemonic.
48 * This is here because the WindowsUI hiearchy doesn't match the Component heirarchy. All
49 * the overriden paintText methods of the ButtonUI delegates will call this static method.
50 * <p>
51 * @param g Graphics context
52 * @param b Current button to render
53 * @param textRect Bounding rectangle to render the text.
54 * @param text String to render
55 */
56 public static void paintText(Graphics g, AbstractButton b,
57 Rectangle textRect, String text,
58 int textShiftOffset) {
59 FontMetrics fm = SwingUtilities2.getFontMetrics(b, g);
60
61 int mnemIndex = b.getDisplayedMnemonicIndex();
62 // W2K Feature: Check to see if the Underscore should be rendered.
63 if (WindowsLookAndFeel.isMnemonicHidden() == true) {
64 mnemIndex = -1;
65 }
66
67 XPStyle xp = XPStyle.getXP();
68 if (xp != null && !(b instanceof JMenuItem)) {
69 paintXPText(b, g, textRect.x + textShiftOffset,
70 textRect.y + fm.getAscent() + textShiftOffset,
71 text, mnemIndex);
72 } else {
73 paintClassicText(b, g, textRect.x + textShiftOffset,
74 textRect.y + fm.getAscent() + textShiftOffset,
75 text, mnemIndex);
76 }
77 }
78
79 static void paintClassicText(AbstractButton b, Graphics g, int x, int y,
80 String text, int mnemIndex) {
81 ButtonModel model = b.getModel();
82
83 /* Draw the Text */
84 Color color = b.getForeground();
85 if(model.isEnabled()) {
86 /*** paint the text normally */
87 if(!(b instanceof JMenuItem && model.isArmed())
88 && !(b instanceof JMenu && (model.isSelected() || model.isRollover()))) {
89 /* We shall not set foreground color for selected menu or
90 * armed menuitem. Foreground must be set in appropriate
91 * Windows* class because these colors passes from
92 * BasicMenuItemUI as protected fields and we can't
93 * reach them from this class */
94 g.setColor(b.getForeground());
95 }
96 SwingUtilities2.drawStringUnderlineCharAt(b, g,text, mnemIndex, x, y);
97 } else { /*** paint the text disabled ***/
98 color = UIManager.getColor("Button.shadow");
99 Color shadow = UIManager.getColor("Button.disabledShadow");
100 if(model.isArmed()) {
101 color = UIManager.getColor("Button.disabledForeground");
102 } else {
103 if (shadow == null) {
104 shadow = b.getBackground().darker();
105 }
106 g.setColor(shadow);
107 SwingUtilities2.drawStringUnderlineCharAt(b, g, text, mnemIndex,
108 x + 1, y + 1);
109 }
110 if (color == null) {
111 color = b.getBackground().brighter();
112 }
113 g.setColor(color);
114 SwingUtilities2.drawStringUnderlineCharAt(b, g, text, mnemIndex, x, y);
115 }
116 }
117
118 static void paintXPText(AbstractButton b, Graphics g, int x, int y,
119 String text, int mnemIndex) {
120 Part part = WindowsButtonUI.getXPButtonType(b);
121 State state = WindowsButtonUI.getXPButtonState(b);
122 paintXPText(b, part, state, g, x, y, text, mnemIndex);
123 }
124
125 static void paintXPText(AbstractButton b, Part part, State state,
126 Graphics g, int x, int y, String text, int mnemIndex) {
127 XPStyle xp = XPStyle.getXP();
128 if (xp == null) {
129 return;
130 }
131 Color textColor = b.getForeground();
132
133 if (textColor instanceof UIResource) {
134 textColor = xp.getColor(b, part, state, Prop.TEXTCOLOR, b.getForeground());
135 // to work around an apparent bug in Windows, use the pushbutton
136 // color for disabled toolbar buttons if the disabled color is the
137 // same as the enabled color
138 if (part == Part.TP_BUTTON && state == State.DISABLED) {
139 Color enabledColor = xp.getColor(b, part, State.NORMAL,
140 Prop.TEXTCOLOR, b.getForeground());
141 if(textColor.equals(enabledColor)) {
142 textColor = xp.getColor(b, Part.BP_PUSHBUTTON, state,
143 Prop.TEXTCOLOR, textColor);
144 }
145 }
146 // only draw shadow if developer hasn't changed the foreground color
147 // and if the current style has text shadows.
148 TypeEnum shadowType = xp.getTypeEnum(b, part,
149 state, Prop.TEXTSHADOWTYPE);
150 if (shadowType == TypeEnum.TST_SINGLE ||
151 shadowType == TypeEnum.TST_CONTINUOUS) {
152 Color shadowColor = xp.getColor(b, part, state,
153 Prop.TEXTSHADOWCOLOR, Color.black);
154 Point offset = xp.getPoint(b, part, state, Prop.TEXTSHADOWOFFSET);
155 if (offset != null) {
156 g.setColor(shadowColor);
157 SwingUtilities2.drawStringUnderlineCharAt(b, g, text, mnemIndex,
158 x + offset.x,
159 y + offset.y);
160 }
161 }
162 }
163
164 g.setColor(textColor);
165 SwingUtilities2.drawStringUnderlineCharAt(b, g, text, mnemIndex, x, y);
166 }
167
168 static boolean isLeftToRight(Component c) {
169 return c.getComponentOrientation().isLeftToRight();
170 }
171
172 /*
173 * Repaints all the components with the mnemonics in the given window and
174 * all its owned windows.
175 */
176 static void repaintMnemonicsInWindow(Window w) {
177 if(w == null || !w.isShowing()) {
178 return;
179 }
180
181 Window[] ownedWindows = w.getOwnedWindows();
182 for(int i=0;i<ownedWindows.length;i++) {
183 repaintMnemonicsInWindow(ownedWindows[i]);
184 }
185
186 repaintMnemonicsInContainer(w);
187 }
188
189 /*
190 * Repaints all the components with the mnemonics in container.
191 * Recursively searches for all the subcomponents.
192 */
193 static void repaintMnemonicsInContainer(Container cont) {
194 Component c;
195 for(int i=0; i<cont.getComponentCount(); i++) {
196 c = cont.getComponent(i);
197 if(c == null || !c.isVisible()) {
198 continue;
199 }
200 if(c instanceof AbstractButton
201 && ((AbstractButton)c).getMnemonic() != '\0') {
202 c.repaint();
203 continue;
204 } else if(c instanceof JLabel
205 && ((JLabel)c).getDisplayedMnemonic() != '\0') {
206 c.repaint();
207 continue;
208 }
209 if(c instanceof Container) {
210 repaintMnemonicsInContainer((Container)c);
211 }
212 }
213 }
214 }