drag

问题 when I use AWTUtilities.setWindowOpaque(this, false); to make my JFrames' background transparent, you can change the location of my JFrame by dragging it anywhere in the window. My problem is, that I have Objects I want to use for drag and drop on this Frame, but when the JFrame moves when I try to drag an object its impossible to drop it anywhere else. Is there any way to solve this problem? By the way, I am on Mac using Mac OS 10.6.6 Thanks for your help! 回答1: Sorry for the my bad english.

问题 I've got it so far that I can move, scale and rotate all the objects, but the multiple objects all move together. I want them to move seperate. I guess I have to change the objectatIndex to 1, but it just crashes. I've used the following code: - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { NSArray *allTouches = [touches allObjects]; UITouch* t; if([[event allTouches] count]==1){ if (CGRectContainsPoint([Birdie frame], [[allTouches objectAtIndex:0] locationInView

问题 I have two nodes. I would like to click on one node, drag my cursor across to another node, and connect the two nodes with a line once the cursor is released. I have set up all the EventHandlers -- dragging and dropping the line works, but it doesn't bind to the second node. public class LinkHandler { static Node hoverNode; } This class is used to find what Node the cursor is hovering over. private void setLinkHandlers(Node node) { Line line = new Line(); this.getChildren().add(line); // On

问题 I'm trying to modify the default graph viewer of the Graph# library because its user interface is awful (just try dragging a node outside of the boundaries, you'll see!) The basic setup is this: there is a GraphCanvas control (inherited from Panel) which has children of Vertex and Edge control types. What I want to achieve is: GraphCanvas has scroll bars if the contents do not fit in the screen; GraphCanvas can also be scrolled by "dragging" it (just click on an empty space and drag);

问题 The goal is to combine d3 force simulation, g elements, and voronoi polygons to make trigger events on nodes easier, such as dragging, mouseovers, tooltips and so on with a graph that can be dynamically modified. This follows the d3 Circle Dragging IV example. In the following code, when adding the clip path attribute to the g element and clippath elements: Why does dragging not trigger on the cells? Why do the nodes become obscured and the paths lose their styles on edges? How can this be

问题 i need a solution for implement drag and zoom , routate ImageView around screen onTouch event without using matrix. i searched a lot but all answers done it with matrix and because i have multi objects in screen matrix is not suitable for me, i want drag and zoom ImageView object not matrix in the ImageView, after some try i implement a class that drag view fine but in zoom it disturb, thanks if someone can help me and sorry for bad language skills and if i have misspelling. package com

问题 I'm using a Slider in my javaFX project and I have a Label that updates when I move the slider. I want the Label to update whilst I'm dragging the Slider and not only when the drag is dropped. This is my code: betSlider.valueChangingProperty().addListener(new ChangeListener<Boolean>() { @Override public void changed(ObservableValue<? extends Boolean> source, Boolean oldValue, Boolean newValue) { betLabel.textProperty().setValue(String.valueOf((int)betSlider.getValue())); } }); 回答1: You just

问题 I'm using a Slider in my javaFX project and I have a Label that updates when I move the slider. I want the Label to update whilst I'm dragging the Slider and not only when the drag is dropped. This is my code: betSlider.valueChangingProperty().addListener(new ChangeListener<Boolean>() { @Override public void changed(ObservableValue<? extends Boolean> source, Boolean oldValue, Boolean newValue) { betLabel.textProperty().setValue(String.valueOf((int)betSlider.getValue())); } }); 回答1: You just

问题 just a simple question: I'm using pyqt4 to render a simple window. Here's the code, I post the whole thing so it easier to explain. from PyQt4 import QtGui, QtCore, Qt import time import math class FenixGui(QtGui.QWidget): def __init__(self): super(FenixGui, self).__init__() # setting layout type hboxlayout = QtGui.QHBoxLayout(self) self.setLayout(hboxlayout) # hiding title bar self.setWindowFlags(QtCore.Qt.FramelessWindowHint) # setting window size and position self.setGeometry(200, 200, 862

问题 i want to drag a box and i want my mouse cursor to be where i clicked in a rectangle while im draging rectangle. i tried this code and i got bunch of errors when i tried to drag. import objectdraw.*; import java.awt.*; public class TouchWindow extends WindowController { private FilledRect a; private boolean b; private Location c; private int x; private int y; public void begin() { b=false; a=new FilledRect(0,0,50,50,canvas); } public void onMouseClick(Location pt) { if(a.contains(pt)) { b