- android - 多次调用 OnPrimaryClipChangedListener
- android - 无法更新 RecyclerView 中的 TextView 字段
- android.database.CursorIndexOutOfBoundsException : Index 0 requested, 光标大小为 0
- android - 使用 AppCompat 时,我们是否需要明确指定其 UI 组件(Spinner、EditText)颜色
关闭。这个问题需要更多 focused .它目前不接受答案。
想改进这个问题?更新问题,使其仅关注一个问题 editing this post .
7年前关闭。
Improve this question
目前我正在体验与 Java 中的 GUI 制作相关的事情,我想尝试制作如下所示的 GUI:
你建议怎么做?
起初,我虽然创建了一个名为“My Frame”的类,但它会包含一个包含每个多边形点的数组(因此每个多边形都是一个单独的帧)。
但是在重新思考了一下之后,我想到了这些三角形的用途,我想让它们成为按钮,每次按下其中一个按钮都会改变八角形内部的内容,所以三角形更像是一种按钮,而八角形本身就是内容 Pane ,那么你们建议我如何实现这一目标?
另一个相关的问题是我想让这些三角形随着八角形移动,如果八角形被鼠标拖动,三角形也会随之移动,所以我应该把它们放在八角形框架上吗?
我想问的另一件事是,由于我将框架设置为未装饰以更改其形状,因此我取消了调整框架大小的选项以及使图标化和关闭按钮消失,所以我该如何添加这些功能回来了,我搜索了网络,但我没有找到任何解释。
编辑对话类:
package rt;
import java.awt.Color;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ContainerListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionAdapter;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.event.MouseInputAdapter;
import javax.swing.event.MouseInputListener;
public class MyDialog extends JDialog {
private int pointX;
private int pointY;
JLabel octagonLabel;
JLabel triangleAboutLabel;
MyMouseInputAdapter mmia;
public MyDialog() {
octagonLabel = createOctagonLabel();
triangleAboutLabel = createTriangleAboutLabel();
JTextField textField = createTextField();
setContentPane(octagonLabel);
add(textField);
setUndecorated(true);
setBackground(new Color(0, 0, 0, 0));
pack();
setLocationRelativeTo(null);
mmia = new MyMouseInputAdapter();
addMouseListener(mmia);
addMouseMotionListener(mmia);
setVisible(true);
}
private JTextField createTextField() {
final JTextField field = new JTextField(20);
field.setText("Type \"exit\" to terminate.");
field.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
String text = field.getText();
if ("exit".equalsIgnoreCase(text)) {
System.exit(0);
}
}
});
return field;
}
private JLabel createOctagonLabel() {
Image image = null;
try {
image = ImageIO.read(Class.class.getResourceAsStream("/resources/gui/octagon.png"));
} catch (IOException ex) {
Logger.getLogger(MyDialog.class.getName()).log(Level.SEVERE, null, ex);
}
JLabel label = new JLabel(new ImageIcon(image));
label.setLayout(new GridBagLayout());
return label;
}
private JLabel createTriangleAboutLabel() {
Image image = null;
try {
image = ImageIO.read(Class.class.getResourceAsStream("/resources/gui/triangle_about.png"));
} catch (IOException ex) {
Logger.getLogger(MyDialog.class.getName()).log(Level.SEVERE, null, ex);
}
JLabel label = new JLabel(new ImageIcon(image));
label.setLayout(new GridBagLayout());
label.setLocation(octagonLabel.getLocation().x - 32, octagonLabel.getLocation().y - 32);
return label;
}
private class MyMouseInputAdapter extends MouseInputAdapter {
@Override
public void mouseDragged(MouseEvent e) {
MyDialog.this.setLocation(MyDialog.this.getLocation().x + e.getX() - pointX, MyDialog.this.getLocation().y + e.getY() - pointY);
}
@Override
public void mousePressed(MouseEvent e) {
pointX = e.getX();
pointY = e.getY();
}
}
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Polygon;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
public class DragDialog extends JDialog {
private int pointX;
private int pointY;
public DragDialog() {
JTextField textField = createTextField();
setContentPane(createBackgroundPanel());
setUndecorated(true);
setBackground(new Color(0, 0, 0, 0));
pack();
setLocationRelativeTo(null);
setVisible(true);
}
private JPanel createBackgroundPanel() {
JPanel panel = new JPanel() {
@Override
public Dimension getPreferredSize() {
return new Dimension(527, 527);
}
};
panel.setOpaque(false);
panel.setLayout(null);
String[] filePaths = getFilePaths();
Map<String, ImageIcon> imageMap = initImages(filePaths);
Map<String, Rectangle> rectMap = createRectangles();
Map <String, Polygon> polygonMap = createPolygons();
for (Map.Entry<String, Rectangle> entry: rectMap.entrySet()) {
JLabel label = new JLabel();
label.setOpaque(false);
String fullImageKey = entry.getKey() + "-default";
ImageIcon icon = imageMap.get(fullImageKey);
label.setIcon(icon);
label.setBounds(entry.getValue());
if (entry.getKey().equals("northwest") ||
entry.getKey().equals("northeast") ||
entry.getKey().equals("southwest") ||
entry.getKey().equals("southeast")) {
label.addMouseListener(new CornerLabelMouseListener(entry.getKey(), imageMap, polygonMap.get(entry.getKey())));
}
else {
label.addMouseListener(new SideLabelMouseListener(entry.getKey(), imageMap));
}
panel.add(label);
}
JLabel octagon = createOctagonLabel();
octagon.setBounds(85, 85, 357, 357);
panel.add(octagon);
return panel;
}
private Map<String, Rectangle> createRectangles() {
Map<String, Rectangle> rectMap = new HashMap<>();
rectMap.put("north", new Rectangle(191, 0, 145, 73));
rectMap.put("northwest", new Rectangle(74, 74, 103, 103));
rectMap.put("northeast", new Rectangle(348, 74, 103, 103));
rectMap.put("west", new Rectangle(0, 190, 73, 145));
rectMap.put("east", new Rectangle(453, 190, 73, 145));
rectMap.put("south", new Rectangle(190, 453, 145, 73));
rectMap.put("southwest", new Rectangle(74, 348, 103, 103));
rectMap.put("southeast", new Rectangle(349, 349, 103, 103));
return rectMap;
}
private Map <String, Polygon> createPolygons() {
Map <String, Polygon> polygonMap = new HashMap <> ();
int [] x = new int[3];
int [] y = new int [3];
x[0] = 0;
x[1] = 103;
x[2] = 0;
y[0] = 0;
y[1] = 0;
y[2] = 103;
polygonMap.put("northwest", new Polygon(x, y, 3));
x[2] = 103;
polygonMap.put("northeast", new Polygon(x, y, 3));
y[0] = 103;
polygonMap.put("southeast", new Polygon(x, y, 3));
x[1] = 0;
polygonMap.put("southwest", new Polygon(x, y, 3));
return polygonMap;
}
private class SideLabelMouseListener extends MouseAdapter {
private String position;
private Map<String, ImageIcon> imageMap;
public SideLabelMouseListener(String position, Map<String, ImageIcon> imageMap) {
this.imageMap = imageMap;
this.position = position;
}
@Override
public void mousePressed(MouseEvent e) {
System.out.println(position + " pressed");
}
@Override
public void mouseEntered(MouseEvent e) {
JLabel label = (JLabel)e.getSource();
String fullName = position + "-hovered";
ImageIcon icon = imageMap.get(fullName);
label.setIcon(icon);
}
@Override
public void mouseExited(MouseEvent e) {
JLabel label = (JLabel)e.getSource();
String fullName = position + "-default";
ImageIcon icon = imageMap.get(fullName);
label.setIcon(icon);
}
}
private class CornerLabelMouseListener extends MouseAdapter{
private String position;
private Map <String, ImageIcon> imageMap;
private Polygon polygon;
public CornerLabelMouseListener(String position, Map <String, ImageIcon> imageMap, Polygon polygon) {
this.imageMap = imageMap;
this.position = position;
this.polygon= polygon;
}
@Override
public void mousePressed(MouseEvent e) {
if (polygon.contains(e.getPoint())) {
System.out.println(position + " pressed");
}
}
@Override
public void mouseMoved(MouseEvent e) {
System.out.println("moving");
mouseEntered2(e);
mouseExited2(e);
}
//@Override
public void mouseEntered2(MouseEvent e) {
System.out.println("point = " +e.getPoint().toString());
if (polygon.contains(e.getPoint())) {
System.out.println("here");
JLabel label = (JLabel)e.getSource();
String fullName = position + "-hovered";
ImageIcon icon = imageMap.get(fullName);
label.setIcon(icon);
}
}
//@Override
public void mouseExited2(MouseEvent e) {
if (!polygon.contains(e.getPoint())) {
JLabel label = (JLabel)e.getSource();
String fullName = position + "-default";
ImageIcon icon = imageMap.get(fullName);
label.setIcon(icon);
}
}
}
private String[] getFilePaths() {
String[] paths = { "north-default.png", "north-hovered.png",
"northwest-default.png", "northwest-hovered.png",
"northeast-default.png", "northeast-hovered.png",
"west-default.png", "west-hovered.png", "east-default.png",
"east-hovered.png", "south-default.png", "south-hovered.png",
"southwest-default.png", "southwest-hovered.png",
"southeast-default.png", "southeast-hovered.png"
};
return paths;
}
private Map<String, ImageIcon> initImages(String[] paths) {
Map<String, ImageIcon> map = new HashMap<>();
for (String path: paths) {
ImageIcon icon = null;
try {
System.out.println(path);
icon = new ImageIcon(ImageIO.read(getClass().getResource("/octagonframe/" + path)));
} catch (IOException e) {
e.printStackTrace();
}
String prefix = path.split("\\.")[0];
map.put(prefix, icon);
}
return map;
}
private JTextField createTextField() {
final JTextField field = new JTextField(20);
field.setText("Type \"exit\" to terminate.");
field.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String text = field.getText();
if ("exit".equalsIgnoreCase(text)) {
System.exit(0);
}
}
});
return field;
}
private JLabel createOctagonLabel() {
Image image = null;
try {
image = ImageIO.read(getClass().getResource("/octagonframe/octagon.png"));
} catch (IOException ex) {
Logger.getLogger(DragDialog.class.getName()).log(Level.SEVERE,
null, ex);
}
JLabel label = new JLabel(new ImageIcon(image));
label.setLayout(new GridBagLayout());
label.add(createTextField());
label.addMouseMotionListener(new MouseMotionAdapter() {
public void mouseDragged(MouseEvent e) {
DragDialog.this.setLocation(
DragDialog.this.getLocation().x + e.getX() - pointX,
DragDialog.this.getLocation().y + e.getY() - pointY);
}
});
label.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
pointX = e.getX();
pointY = e.getY();
}
});
return label;
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new DragDialog();
}
});
}
最佳答案
只需使用图像。来自 your last post您试图创建框架的形状。但是您可以只使用透明图像。
测试程序。
import java.awt.Color;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
public class DragDialog extends JDialog {
private int pointX;
private int pointY;
public DragDialog() {
JLabel backgroundLabel = createBackgroundLabel();
JTextField textField = createTextField();
setContentPane(backgroundLabel);
add(textField);
setUndecorated(true);
setBackground(new Color(0, 0, 0, 0));
pack();
setLocationRelativeTo(null);
setVisible(true);
}
private JTextField createTextField() {
final JTextField field = new JTextField(20);
field.setText("Type \"exit\" to terminate.");
field.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
String text = field.getText();
if ("exit".equalsIgnoreCase(text)) {
System.exit(0);
}
}
});
return field;
}
private JLabel createBackgroundLabel() {
Image image = null;
try {
image = ImageIO.read(new URL("http://i.stack.imgur.com/A9zlj.png"));
} catch (IOException ex) {
Logger.getLogger(DragDialog.class.getName()).log(Level.SEVERE, null, ex);
}
JLabel label = new JLabel(new ImageIcon(image));
label.setLayout(new GridBagLayout());
label.addMouseMotionListener(new MouseMotionAdapter() {
public void mouseDragged(MouseEvent e) {
DragDialog.this.setLocation(DragDialog.this.getLocation().x + e.getX() - pointX,
DragDialog.this.getLocation().y + e.getY() - pointY);
}
});
label.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
pointX = e.getX();
pointY = e.getY();
}
});
return label;
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new DragDialog();
}
});
}
}
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
public class DragDialog extends JDialog {
private int pointX;
private int pointY;
public DragDialog() {
JTextField textField = createTextField();
setContentPane(createBackgroundPanel());
setUndecorated(true);
setBackground(new Color(0, 0, 0, 0));
pack();
setLocationRelativeTo(null);
setVisible(true);
}
private JPanel createBackgroundPanel() {
JPanel panel = new JPanel() {
@Override
public Dimension getPreferredSize() {
return new Dimension(527, 527);
}
};
panel.setOpaque(false);
panel.setLayout(null);
String[] filePaths = getFilePaths();
Map<String, ImageIcon> imageMap = initImages(filePaths);
Map<String, Rectangle> rectMap = createRectangles();
for (Map.Entry<String, Rectangle> entry: rectMap.entrySet()) {
JLabel label = new JLabel();
label.setOpaque(false);
String fullImageKey = entry.getKey() + "-default";
ImageIcon icon = imageMap.get(fullImageKey);
label.setIcon(icon);
label.setBounds(entry.getValue());
label.addMouseListener(new LabelMouseListener(entry.getKey(), imageMap));
panel.add(label);
}
JLabel octagon = createOctagonLabel();
octagon.setBounds(85, 85, 357, 357);
panel.add(octagon);
return panel;
}
private Map<String, Rectangle> createRectangles() {
Map<String, Rectangle> rectMap = new HashMap<>();
rectMap.put("north", new Rectangle(191, 0, 145, 73));
rectMap.put("northwest", new Rectangle(74, 74, 103, 103));
rectMap.put("northeast", new Rectangle(348, 74, 103, 103));
rectMap.put("west", new Rectangle(0, 190, 73, 145));
rectMap.put("east", new Rectangle(453, 190, 73, 145));
rectMap.put("south", new Rectangle(190, 453, 145, 73));
rectMap.put("southwest", new Rectangle(74, 348, 103, 103));
rectMap.put("southeast", new Rectangle(349, 349, 103, 103));
return rectMap;
}
private class LabelMouseListener extends MouseAdapter {
private String position;
private Map<String, ImageIcon> imageMap;
public LabelMouseListener(String position, Map<String, ImageIcon> imageMap) {
this.imageMap = imageMap;
this.position = position;
}
@Override
public void mousePressed(MouseEvent e) {
System.out.println(position + " pressed");
}
@Override
public void mouseEntered(MouseEvent e) {
JLabel label = (JLabel)e.getSource();
String fullName = position + "-hovered";
ImageIcon icon = imageMap.get(fullName);
label.setIcon(icon);
}
@Override
public void mouseExited(MouseEvent e) {
JLabel label = (JLabel)e.getSource();
String fullName = position + "-default";
ImageIcon icon = imageMap.get(fullName);
label.setIcon(icon);
}
}
private String[] getFilePaths() {
String[] paths = { "north-default.png", "north-hovered.png",
"northwest-default.png", "northwest-hovered.png",
"northeast-default.png", "northeast-hovered.png",
"west-default.png", "west-hovered.png", "east-default.png",
"east-hovered.png", "south-default.png", "south-hovered.png",
"southwest-default.png", "southwest-hovered.png",
"southeast-default.png", "southeast-hovered.png"
};
return paths;
}
private Map<String, ImageIcon> initImages(String[] paths) {
Map<String, ImageIcon> map = new HashMap<>();
for (String path: paths) {
ImageIcon icon = null;
try {
System.out.println(path);
icon = new ImageIcon(ImageIO.read(getClass().getResource("/octagonframe/" + path)));
} catch (IOException e) {
e.printStackTrace();
}
String prefix = path.split("\\.")[0];
map.put(prefix, icon);
}
return map;
}
private JTextField createTextField() {
final JTextField field = new JTextField(20);
field.setText("Type \"exit\" to terminate.");
field.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String text = field.getText();
if ("exit".equalsIgnoreCase(text)) {
System.exit(0);
}
}
});
return field;
}
private JLabel createOctagonLabel() {
Image image = null;
try {
image = ImageIO.read(getClass().getResource("/octagonframe/octagon.png"));
} catch (IOException ex) {
Logger.getLogger(DragDialog.class.getName()).log(Level.SEVERE,
null, ex);
}
JLabel label = new JLabel(new ImageIcon(image));
label.setLayout(new GridBagLayout());
label.add(createTextField());
label.addMouseMotionListener(new MouseMotionAdapter() {
public void mouseDragged(MouseEvent e) {
DragDialog.this.setLocation(
DragDialog.this.getLocation().x + e.getX() - pointX,
DragDialog.this.getLocation().y + e.getY() - pointY);
}
});
label.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
pointX = e.getX();
pointY = e.getY();
}
});
return label;
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new DragDialog();
}
});
}
}
关于java - JFrame我应该怎么做(包括图片)?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/22861975/
我正在尝试在Elasticsearch中返回的值中考虑地理位置的接近性。我希望近距离比某些字段(例如legal_name)重要,但比其他字段重要。 从文档看来,当前的方法是使用distance_fea
我是Elasticsearch的初学者,今天在进行“多与或”查询时遇到问题。 我有一个SQL查询,需要在Elastic中进行转换: WHERE host_id = 999 AND psh_pid =
智能指针应该/可以在函数中通过引用传递吗? 即: void foo(const std::weak_ptr& x) 最佳答案 当然你可以通过const&传递一个智能指针。 这样做也是有原因的: 如果接
我想执行与以下MYSQL查询等效的查询 SELECT http_user, http_req_method, dst dst_port count(*) as total FROM my_table
我用这两个查询进行测试 用must查询 { "size": 200, "from": 0, "query": { "bool": { "must": [ { "mat
我仍在研究 Pro Android 2 的简短服务示例(第 304 页)同样,服务示例由两个类组成:如下所示的 BackgroundService.java 和如下所示的 MainActivity.j
给定标记 like this : header really_wide_table..........................................
根据 shouldJS 上的文档网站我应该能够做到这一点: ''.should.be.empty(); ChaiJS网站没有使用 should 语法的示例,但它列出了 expect 并且上面的示例似乎
我在 Stack Overflow 上读到一些 C 函数是“过时的”或“应该避免”。你能给我一些这种功能的例子以及原因吗? 这些功能有哪些替代方案? 我们可以安全地使用它们 - 有什么好的做法吗? 最
在 C++11 中,可变参数模板允许使用任意数量的参数和省略号运算符 ... 调用函数。允许该可变参数函数对每个参数做一些事情,即使每个参数的事情不是一样的: template void dummy(
我在我从事的项目之一上将Shoulda与Test::Unit结合使用。我遇到的问题是我最近更改了此设置: class MyModel :update end 以前,我的(通过)测试看起来像这样: c
我该如何做 or使用 chai.should 进行测试? 例如就像是 total.should.equal(4).or.equal(5) 或者 total.should.equal.any(4,5)
如果您要将存储库 B 中的更改 merge 到存储库 A 中,是否应该 merge .hgtags 中的更改? 存储库 B 可能具有 A 中没有的标签 1.01、1.02、1.03。为什么要将这些 m
我正在尝试执行X AND(y OR z)的查询 我需要获得该代理为上市代理或卖方的所有已售属性(property)。 我只用 bool(boolean) 值就可以得到9324个结果。当我添加 bool
我要离开 this教程,尝试使用 Mocha、Supertest 和 Should.js 进行测试。 我有以下基本测试来通过 PUT 创建用户接受 header 中数据的端点。 describe('U
我正在尝试为 Web 应用程序编写一些 UI 测试,但有一些复杂的问题希望您能帮助我解决。 首先,该应用程序有两种模式。其中一种模式是“训练”,另一种是“现场”。在实时模式下,数据直接从我们的数据库中
我有一个规范: require 'spec_helper' # hmm... I need to include it here because if I include it inside desc
我正在尝试用这个测试我在 Rails 中的更新操作: context "on PUT to :update" do setup do @countdown = Factory(:count
我还没有找到合适的答案: onclick="..." 中是否应该转义 &(& 符号)? (或者就此而言,在每个 HTML 属性中?) 我已经尝试在 jsFiddle 和 W3C 的验证器上运行转义和非
import java.applet.*; import java.awt.*; import java.awt.event.*; public class Main extends Applet i
我是一名优秀的程序员,十分优秀!