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修正resizable的bug

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yangsuiyu
2020-04-05 22:43:29 +08:00
parent 5e60991bda
commit 119436dc3b
25 changed files with 388 additions and 165 deletions
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87
src/main/java/cn/edu/scau/biubiusuisui/function/DragWindowHandlerImpl.java
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@@ -3,7 +3,6 @@ package cn.edu.scau.biubiusuisui.function;
import javafx.event.EventHandler;
import javafx.scene.Cursor;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.AnchorPane;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;
@@ -25,77 +24,82 @@ public class DragWindowHandlerImpl implements EventHandler<MouseEvent> {
boolean isBottomRight;// 是否处于右下角调整窗口状态
boolean isBottom;// 是否处于下边界调整窗口状态
private Pane pane;
private boolean fix = false;
private boolean resizable; //是否拉伸
private boolean draggable; //是否拖拽
public DragWindowHandlerImpl(Stage primaryStage, Pane pane,boolean fix) { //构造器
public DragWindowHandlerImpl(Stage primaryStage, Pane pane, boolean draggable, boolean resizable) { //构造器
this.stage = primaryStage;
this.pane = pane;
this.fix = fix;
this.draggable = draggable;
this.resizable = resizable;
}
public DragWindowHandlerImpl(Stage stage, double MIN_WIDTH, double MIN_HEIGHT, Pane pane, boolean fix) {
public DragWindowHandlerImpl(Stage stage, double MIN_WIDTH, double MIN_HEIGHT, Pane pane, boolean draggable, boolean resizable) {
this.stage = stage;
this.MIN_WIDTH = MIN_WIDTH;
this.MIN_HEIGHT = MIN_HEIGHT;
this.pane = pane;
this.fix = fix;
this.draggable = draggable;
this.resizable = resizable;
}
@Override
public void handle(MouseEvent e) {
if (e.getEventType() == MouseEvent.MOUSE_PRESSED) { //鼠标按下的事件
//鼠标按下时记录坐标
this.oldStageX = this.stage.getX();
this.oldStageY = this.stage.getY();
this.oldScreenX = e.getScreenX();
this.oldScreenY = e.getScreenY();
} else if (e.getEventType() == MouseEvent.MOUSE_DRAGGED) { //鼠标拖动的事件
//
double nextX = stage.getX();
double nextY = stage.getY();
double nextWidth = stage.getWidth();
double nextHeight = stage.getHeight();
if(!fix) {
double x = e.getSceneX();
double y = e.getSceneY();
// 保存窗口改变后的x、y坐标和宽度、高度，用于预判是否会小于最小宽度、最小高度
if (isRight || isBottomRight) {// 所有右边调整窗口状态
nextWidth = x;
}
if (isBottomRight || isBottom) {// 所有下边调整窗口状态
nextHeight = y;
}
if (nextWidth <= MIN_WIDTH) {// 如果窗口改变后的宽度小于最小宽度，则宽度调整到最小宽度
nextWidth = MIN_WIDTH;
}
if (nextHeight <= MIN_HEIGHT) {// 如果窗口改变后的高度小于最小高度，则高度调整到最小高度
nextHeight = MIN_HEIGHT;
}
double x = e.getSceneX();
double y = e.getSceneY();
// 保存窗口改变后的x、y坐标和宽度、高度，用于预判是否会小于最小宽度、最小高度
if (isRight || isBottomRight) {// 所有右边调整窗口状态
nextWidth = x;
}
if (isBottomRight || isBottom) {// 所有下边调整窗口状态
nextHeight = y;
}
if (nextWidth <= MIN_WIDTH) {// 如果窗口改变后的宽度小于最小宽度，则宽度调整到最小宽度
nextWidth = MIN_WIDTH;
}
if (nextHeight <= MIN_HEIGHT) {// 如果窗口改变后的高度小于最小高度，则高度调整到最小高度
nextHeight = MIN_HEIGHT;
}
// 最后统一改变窗口的x、y坐标和宽度、高度，可以防止刷新频繁出现的屏闪情况
if(isBottom ||isBottomRight ||isRight) {
stage.setX(nextX);
stage.setY(nextY);
if (draggable) {
if (isBottom || isBottomRight || isRight) {
stage.setX(nextX);
stage.setY(nextY);
} else {
this.stage.setX(e.getScreenX() - this.oldScreenX + this.oldStageX);
this.stage.setY(e.getScreenY() - this.oldScreenY + this.oldStageY);
}
}
if (resizable) {
stage.setWidth(nextWidth);
stage.setHeight(nextHeight);
}else {
this.stage.setX(e.getScreenX() - this.oldScreenX + this.oldStageX);
this.stage.setY(e.getScreenY() - this.oldScreenY + this.oldStageY);
}
} else if (e.getEventType() == MouseEvent.MOUSE_MOVED) {
if(!fix) {
e.consume();
double x = e.getSceneX();
double y = e.getSceneY();
double width = stage.getWidth();
double height = stage.getHeight();
Cursor cursorType = Cursor.DEFAULT;// 鼠标光标初始为默认类型，若未进入调整窗口状态，保持默认类型
// 先将所有调整窗口状态重置
isRight = isBottomRight = isBottom = false;
} else if (e.getEventType() == MouseEvent.MOUSE_MOVED) { //鼠标移动
e.consume();
double x = e.getSceneX();
double y = e.getSceneY();
double width = stage.getWidth();
double height = stage.getHeight();
Cursor cursorType = Cursor.DEFAULT;// 鼠标光标初始为默认类型，若未进入调整窗口状态，保持默认类型
// 先将所有调整窗口状态重置
isRight = isBottomRight = isBottom = false;
if (resizable) {
if (y >= height - RESIZE_WIDTH) {
if (x <= RESIZE_WIDTH) {// 左下角调整窗口状态
@@ -111,7 +115,6 @@ public class DragWindowHandlerImpl implements EventHandler<MouseEvent> {
cursorType = Cursor.E_RESIZE;
}
// 最后改变鼠标光标
pane.setCursor(cursorType);
}
}