Trigger event on mouse click over image window

How can I use an event structure to pick up on a mouse click on an IMAQ window in Labview. Specifically, I want to pick up a click with the 'select point' tool.

To work in a Winddraw window, will not want to use the Event Structure, but instead the WindLastEvent. This will allow you to capture the events that occur in the Winddraw window. Attached are two examples, one I wrote using events so users can set up ROI's and the other is using events in LabVIEW with a picture control on the front panel so user can select an ROI.
I hope this helps!
Chris D
Ni Application Engineer
Attachments:
Line_Profile_of_Live_Image.vi ‏145 KB
ROI_from_Picture_Control_using_Events.vi ‏111 KB

Similar Messages

Capture right mouse click in image

I would like to capture a right mouse click while pointing into am image window.
So far I've come only to the possibilty to capture events that originate somehow with the left mouse click.
Or
Are specific to the front panel of the currently active VI
Or
Detect whether at the time of calling a subVI the button is down or up, with all the usual hazzel of detecting the transition (plus the necessity of depending on MS Driect X).
What I would like to have is a signal that describes the right click in an image window.
Thanks for any ideas
Gabi
7.1 -- 2013
CLA

Hi,
If you use LV7, you can use the event structure. Add an event or filter
event "Mouse down" for the picture. The "button" value indicates 2 for the
right button, 1 for the left.
Regards,
Wiebe.
the picture control has a property "Mouse". This is a cluster, that includes
"Gabriela Tillmann" wrote in message
news:[email protected]..
> I would like to capture a right mouse click while pointing into am
> image window.
> So far I've come only to the possibilty to capture events that
> originate somehow with the left mouse click.
> Or
> Are specific to the front panel of the currently active VI
> Or
> Detect whether at the time of calling a subVI the button is down or
> up, with all the usual hazzel of det
ecting the transition (plus the
> necessity of depending on MS Driect X).
>
> What I would like to have is a signal that describes the right click
> in an image window.
>
> Thanks for any ideas
> Gabi

Mouse clicks inside image in applet

How can I respond to mouse clicks inside particular regions in an image loaded as part of an applet in a browser? ie, I want to send these clicks onto the server for the server to handle it and the server should change the image according to the mouse clicks.
Thanks,

/* <applet code="ImageMouse" width="400" height="400"></applet>
* use: >appletviewer ImageMouse.java
import java.awt.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;
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import java.net.*;
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        String s = "images/greathornedowl.jpg";
        try
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            image = ImageIO.read(url);
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        this.applet = applet;
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                outsideImage = false;
        else if(!outsideImage)
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Firefox 9.0.1 with Flash player not catch keyboard event with mouse click.

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What about EVENT_LEFT_CLICK_UP?

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import java.util.Arrays;
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import javafx.scene.Scene;
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Thanks

I am planning to add these 2 in my paint component method
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               String s = // takes value from the inpuf file.
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public void mouseClicked(MouseEvent e) {
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Thanks

Pop up menu on right clicking an image?

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I am new to LabWindows/CVI.
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Any help would be great.
Cheers

I would use the code generator for right click event. then fill it up with whatever code you want under right click case. You can access these when you double click your UIR file, then on the top of the page click Code\Preferences\Default... then choose desired events for picture then go to Code\Generate\all callbacks and skip through the ones you don't want to be replaced.

Making the mouse click by itself

If you are trying to use an automator workflow with a software that is
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and you just need automator to click the mouse at a predetermined time,
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<pre title="this text can be pasted into the Script Editor" style="font-family: Monaco, 'Courier New', Courier, monospace; font-size: 10px; padding: 5px; width: 720px; color: #000000; background-color: #E0E0E0; overflow: auto">     tell application "QuickTime Broadcaster"
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</pre>

Mouse Clicks/Positons in Pictures!

Even a guru learns new things...
I just discovered the use of a picture control/indicator to detect mouse positions and clicks! What a wonderful thing. I have LabVIEW 6.0.2, and have, up to now, not known about this. To all those out there who I recommended to use the mouse click API for Windows, I apologize. This is such a marvelous way to get Mouse information. It's easy, efficient, and completely held within LabVIEW.
If anyone is wondering what I am talking about, go to Help>Examples in LabVIEW and go to the Examples>Advanced Examples>Picture Control Examples>Mouse Control.vi to see what I mean. I didn't realize that if you dropped a picture control (even as an invisible object!) on the front panel that you could use prop
erty nodes to get x and y positions, and also the left, right, shift left or right, and third mouse button click information.
Of course, I hear that this may all be somewhat obsolete in LabVIEW 6.1, but for those still using 6.01 or earlier, it's a great tool that means you don't have to mess with API, MFC or dlls.
Any comments or questions?

Hi,
This is ideal for some applications, you can even build drag/drop functions
into a picture control using this. But there are some backdraws (or one very
big one);
The picture control needs to be the control on front.
The picture control needs to cover the entire area you need information on.
This implies that normal functions of controls and indicators cannot be
used, not even simply clicking on a button...
It also makes the screen updates take a lot more proccessor time, because
controls/indicators are overlapping. In the example for instance, the charts
are not clear to read, because they're flickering.
Regards,
Wiebe.
"Labviewguru" wrote in message
news:[email protected]..
> Even a guru learns new things..
>
> I just discovered the use of a picture control/indicator to detect
> mouse positions and clicks! What a wonderful thing. I have LabVIEW
> 6.0.2, and have, up to now, not known about this. To all those out
> there who I recommended to use the mouse click API for Windows, I
> apologize. This is such a marvelous way to get Mouse information.
> It's easy, efficient, and completely held within LabVIEW.
>
> If anyone is wondering what I am talking about, go to Help>Examples in
> LabVIEW and go to the Examples>Advanced Examples>Picture Control
> Examples>Mouse Control.vi to see what I mean. I didn't realize that
> if you dropped a picture control (even as an invisible object!) on the
> front panel that you could use property nodes to get x and y
> positions, and also the left, right, shift left or right, and third
> mouse button click information.
>
> Of course, I hear that this may all be somewhat obsolete in LabVIEW
> 6.1, but for those still using 6.01 or earlier, it's a great t
ool that
> means you don't have to mess with API, MFC or dlls.
>
> Any comments or questions?

Mouse Click Suddenly STOPS working... on all mice

I had a situation today I've never seen before. I selected an item in a folder in the finder to drag and drop, but I couldn't let go. My mouse would not receive a single click/left click. I thought it might be the mouse so I switched mice to an Apple mouse and it wasn't working either. A RIGHT click worked with both mice, but the system stopped recognizing and registering single clicks. I had to reboot to get back control of my system and mice.
Apple Mouse was plugged directly into the front of my G5.
I just updated to 10.5.3 when it came out but I hadn't seen this problem till just now...
Jeff
Message was edited by: Jefferis Peterson

I have a similar problem with 2 Mac Minis running 10.5.3. Prior to the update the mouse behaved fine, but now every so often mouse clicks are not registered. On any window the mouse click causes the window to loose focus, but nothing really happens. The only way to deal with the computer seems to be to try to quit all running applications and suddenly the mouse begins to function as normal. Any suggestions for a fix?

Mouse Clicked gets lost some times.

Hello All,
The scenario is that i have a tree and the doubleclick on the tree node openes a view with some information. Also the node has some childrens. Sometimes when i double click the node, the tree node gets expanded but my view does not get opened. This was due to mouseclicked does not arrive with click count as 2.
In my code double click handling is done in the mouseclicked event. The code looks like
public void mouseclicked(MouseEvent ev) {
if(ev.getClickCount() == 2) {
.......//Opens a view
In some cases when i double click, mouse clicked is triggered only once with click count as one. But the mousepressed and mousereleased is triggered twice with clickcount 1 and 2 resp. I am not sure is this a valid behaviour. Please find below the traces of events.
Mouse clicked getting lost trace:
========================
Process Event : java.awt.event.MouseEvent[MOUSE_PRESSED,(129,482),button=1,modifiers=Button1,extModifiers=Button1,clickCount=1] on san.sample.CfCimTree[,0,-90,259x846,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Process Event : java.awt.event.MouseEvent[MOUSE_RELEASED,(129,482),button=1,modifiers=Button1,clickCount=1] on san.sample.CfCimTree[,0,-90,259x846,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Process Event : java.awt.event.MouseEvent[MOUSE_CLICKED,(129,482),button=1,modifiers=Button1,clickCount=1] on san.sample.CfCimTree[,0,-90,259x846,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Process Event : java.awt.event.MouseEvent[MOUSE_PRESSED,(129,482),button=1,modifiers=Button1,extModifiers=Button1,clickCount=2] on san.sample.CfCimTree[,0,-90,259x846,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Process Event : java.awt.event.MouseEvent[MOUSE_EXITED,(129,482),button=1,modifiers=Button1,extModifiers=Button1,clickCount=2] on san.sample.CfCimTree[,0,-90,259x846,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Process Event : java.awt.event.MouseEvent[MOUSE_RELEASED,(129,482),button=1,modifiers=Button1,clickCount=2] on san.sample.CfCimTree[,0,-90,259x846,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
When doubleClick Works:
=====================
Process Event : java.awt.event.MouseEvent[MOUSE_PRESSED,(125,530),button=1,modifiers=Button1,extModifiers=Button1,clickCount=1] on san.sample.CfCimTree[,0,-90,259x828,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Process Event : java.awt.event.MouseEvent[MOUSE_RELEASED,(125,530),button=1,modifiers=Button1,clickCount=1] on san.sample.CfCimTree[,0,-90,259x828,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Process Event : java.awt.event.MouseEvent[MOUSE_CLICKED,(125,530),button=1,modifiers=Button1,clickCount=1] on san.sample.CfCimTree[,0,-90,259x828,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Process Event : java.awt.event.MouseEvent[MOUSE_PRESSED,(125,530),button=1,modifiers=Button1,extModifiers=Button1,clickCount=2] on san.sample.CfCimTree[,0,-90,259x828,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Process Event : java.awt.event.ComponentEvent[COMPONENT_RESIZED (0,-90 259x846)] on san.sample.CfCimTree[,0,-90,259x846,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Process Event : java.awt.event.MouseEvent[MOUSE_RELEASED,(125,530),button=1,modifiers=Button1,clickCount=2] on san.sample.CfCimTree[,0,-90,259x846,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Process Event : java.awt.event.MouseEvent[MOUSE_CLICKED,(125,530),button=1,modifiers=Button1,clickCount=2] on san.sample.CfCimTree[,0,-90,259x846,alignmentX=0.0,alignmentY=0.0,border=,flags=16777576,maximumSize=,minimumSize=,preferredSize=,editable=false,invokesStopCellEditing=false,largeModel=false,rootVisible=false,rowHeight=0,scrollsOnExpand=true,showsRootHandles=true,toggleClickCount=2,visibleRowCount=20]
Can anybody help me out to figure out to find what is the problem?
Thanks in advance
Sanjeeth S

I just checked mouseClicked.. and its working fine for me.
tree.addMouseListener(new MouseListener(){
               public void mouseClicked(MouseEvent e) {
                    // TODO Auto-generated method stub
                    if(e.getClickCount() == 2)
                         System.out.println("mouseClicked");
               public void mouseEntered(MouseEvent e) {
                    // TODO Auto-generated method stub
               public void mouseExited(MouseEvent e) {
                    // TODO Auto-generated method stub
               public void mousePressed(MouseEvent e) {
                    // TODO Auto-generated method stub
               public void mouseReleased(MouseEvent e) {
                    // TODO Auto-generated method stub
});If we double click on a node which is having child nodes, then it will collapse/expand when double click on it.
In all cases I am getting the display "mouseClicked" when doing double click.

Trigger event on click of image

Hi experts,
Can we trigger an event on the click of an image , instead of a button?
I could not add image onto a button , neither could i find the click property for an image. Image field click opens up a file browser which does not suffice the requirement.
Thanks,
Virag

Hi,
You can have a small work around this, I think it may some what solve your query. Place a button over the "Image Field" and for that Button in the "Object" Pallette make the Appearence as Custome and there select every thing as none and in the "Border" Pallette select everything as none. And for this Button you can write "Click" event and also if you also want the Image field File Browser to be opened up then you can have the JavaScript in the Button Click event itself like for eg. image1.execEvent("click").
Regards
Pradeep Goli

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