[英]Margin/padding in GridBagLayout Java
是否可以在整個行/列的GridBagLayout
設置邊距/填充? 我在constraints-object上使用了inset,但是,使用這種方法我需要在每個組件上從底部設置填充。
是否可以填充JFrame
中的所有內容? 因為現在每個組件都與框架對齊。
constraints.weightx = 2;
constraints.weighty = 1;
constraints.fill = GridBagConstraints.BOTH;
addComponent(this, layout, constraints, questionPanel = new QuestionPanel(), 0, 0, 1, 1);
constraints.weightx = 1;
constraints.weighty = 1;
constraints.fill = GridBagConstraints.BOTH;
addComponent(this, layout, constraints, categoryPanel = new CategoryPanel(), 0, 1, 1, 1);
constraints.weightx = 1;
constraints.weighty = 0;
constraints.fill = GridBagConstraints.HORIZONTAL;
addComponent(this, layout, constraints, answerPanel = new AnswerPanel(), 1, 0, 2, 1);
constraints.weightx = 1;
constraints.weighty = 2;
constraints.fill = GridBagConstraints.BOTH;
addComponent(this, layout, constraints, tabPane = new JTabbedPane(), 2, 0, 2, 1);
constraints.weightx = 1;
constraints.weighty = 0;
constraints.fill = GridBagConstraints.NONE;
constraints.anchor = GridBagConstraints.SOUTHEAST;
addComponent(this, layout, constraints, buttonPanel = new ButtonPanel(), 3, 1, 1, 1);
我正在使用私有方法addComponent:
private void addComponent(Container context, GridBagLayout _layout, GridBagConstraints _constraints, Component component, int row, int column, int width, int height) {
_constraints.gridx = column;
_constraints.gridy = row;
_constraints.gridwidth = width;
_constraints.gridheight = height;
_layout.setConstraints(component, _constraints);
context.add(component);
}
如何在單元格之間添加一些“空氣(填充/邊距)”?
使用GridBagConstraints
類的inset
屬性
例如:
GridBagConstraints c = new GridBagConstraints();
c.insets = new Insets(3,3,3,3);
希望這是你正在尋找的。
據我所知,做第一個的唯一方法是為每個約束設置一個Insets對象......(手工編碼布局顯然在Java中不容易設計:P)
但是有一種非常簡單的方法可以完成第二種操作,而不需要處理任何Insets或其他內容:將contentPane的布局設置為FlowLayout,無論您需要任何垂直和水平間隙,都可以將面板添加到contentPane,而不是添加所有內容到contentPane,將其添加到新面板。
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