Using swingutilities for mouse button identification. The events for mouse are different actions performed with the mouse, such as clicking, positioning the pointer over an object or simply moving it. How to programming with mouseevent how to build software. Number of clicks for mouse button events, or the number of steps positive or negative depending on direction for a mouse wheel event.
Display popup menu in linux solutions experts exchange. When mouse event occurs, the topmost node under cursor is picked and the event is delivered to it through capturing and bubbling phases described at eventdispatcher the mouse pointers location is available relative to several coordinate systems. Popup menus can add a professional touch to your java software, as well as making software easier for endusers. Add mouselistener on filepane jfilechooser solutions. For showing the popup menu, i do it when the mouseevent is ispopuptrigger, so in theory, it should work everywhere. The itmouseevent method initializes the value of a mouse event once its been created normally using the document. You shouldnt create a maclasse instance during the motion event, since that way you create a new maclasse every time a new line is drawn. How to implement a popup menu in swing that works both under. Also, some of the widgets im extending may have their own popup menus. Imagej toolbar popup menu not working openjdk 11 windows.
How to implement a popup menu in swing that works both under windows and linux. Hi, just to report you two important notices that could affect developers and testers. Uses a subclass of mouseinputadapter to listen to mouse events and mousemotion events. X11 outputs send the context menu event at the right since vlc 1. Apparently, you cant get this info from an actionevent, so ill need to use a mouselistener right. You only want to create one maclasse and get the points from test into it.
Hmm, does this menue occur when clicking on an empty space and not on an. So when i put my hands on a linux box, i looked for some thing similar. The which property returns a number that indicates which mouse button was pressed when a mouse event was triggered. I have a lot of jbuttons in an app im writing like 200 or so in a square. Bzflag multiplayer 3d tank game list bzflagusers archives. This java code snippet describes ispopuptrigger in mouseevent. All these actions are named mouse events and can be detected by the class mouseevent. Im trying to understand how event handling works on a low level, so please dont reference me to a software thatll do it for me. These stikies are simply little notewindows where te.
This lowlevel event is generated by a component object for mouse events and mouse motion even. Returns whether or not this mouse event is the popup menu trigger event for the platform. Is it possible to determine if a mouseevent is within the editorcontentportion of a window. The event flag ispopuptrigger is now being set on mousepressed where before on windows was set on mousereleased. Thus both events require checking to see if mouseevent. Best regards, maxim shafirov jetbrains, inc intellij software. Programming the mouse largely consisted of putting the right values in the registers like 0x00 in the ax register to reset the mouse and calling the interrupt service routine with int86 a function provided by turbo c to access interrupt service routines. How to port java applications to suse linux novell. This method must be called to set the event before it is dispatched, using eventtarget. The event occurs when the pointer is moved onto an element, or onto one of its children. The following are jave code examples for showing how to use ispopuptrigger of the java.
A mouse action is considered to occur in a particular component if and only if the mouse cursor is over the unobscured part of the components bounds when the action happens. So far, ive been using an actionlistener and its been working fine. So what is the always right, works everywhere on all platforms and always will forever solution. An integer bit field containing any of the modifier key masks described in getting unicode values, combined using the c bitwise or operator. Find answers to display popup menu in linux from the expert community at experts. Interactive api reference for the javascript mouseevent object. Java gui development is largely platform agnostic with a few issues to be aware of when developing for linux.
This property is mostly used together with the onmousedown event. The mouse pointer is the most common way through which the user interacts with the flash presentation. Flags indicating the kind of mouse event that is being posted. It shows how to use the ispopuptrigger method of the mouseevent. Swing mouseevent class this event indicates that a mouse action occurred in a component. Wheel events follow java see here, so getamount will return negative values if the mouse wheel was rotated up or away from the user and positive values in the other direction. Clickrelated events always have the which property, which allows to get the exact mouse button it is not used for click and contextmenu events, because the former happens only on leftclick, and the latter only on rightclick but if we track mousedown and mouseup, then we need it, because these events trigger on any button, so which allows to distinguish. Just for the information in java there is mouseevent. Find answers to add mouselistener on filepane jfilechooser from the expert community at experts exchange. Both green and native threads are mechanisms to support multithreaded execution of java programs. This java code snippet describes mousereleasedmouseevent e in mousedraggesturerecognizer. Mouselistener, that will check whether a popup menu should be triggered. I made a very practical program consisting of a virtual desktop with a rightclick popup menu that brings up a button to open a stikinote. I have read that the proper way of checking that the right mouse button was pressed is to check the.
I want to write a program that would run in the background and log pointers position when a mouse click occured. Java program to print even length words in a string difference between super and super in. This is mostly out of curiosity, im trying to understand how event handling works on a low level, so please dont reference me to a software thatll do it for me. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features.
Im porting my java programs from windowsxp and 98 to ubuntu. For popup menus, the trigger event on linux is a mouse press, while the same event on the windows platform is a mouse release. Therefore, ispopuptrigger should be checked in both mousepressed and mousereleased for proper cross. Mouselistener and mousemotionlistener in java geeksforgeeks. In the following code shows how to use mouselistener. But i want to do 1 thing see if the user clicked the 3rd, 2nd, or 1st mouse button.
Mouseevent contains information describing the current event generated by a mouse action such as move or click. Each such listener object gets a mouseevent containing the mouse event. Triggers control when a popup displays or data is processed inside a form. The event occurs when a user releases a mouse button over an element. Ideally mouseadapter would spare me the question by offering an overridable popuprequest mouseevent e, but it doesnt. On mac os x, this will be reversed when natural scrolling is enabled in. If the mouse event type has not been enabled on the component, the corresponding mouse events are dispatched to the first ancestor. Umm i dont know my windows friends cant use my menus because i check mouseevent. It works fine on my linux box but it doesnt work for them. Evaluation the whole reason for having ispopuptrigger is to allow a single awt app to work within the recommended user interface guidelines for popup menus on different windowing systems. The x11 video outputs are not responsible for dealing with mouse button release on a qt4 menu. The event occurs when a user moves the mouse pointer out of an element, or out of one of its children.
I have a completely empty world and no mouse button brings up. I just wrote a c program using int86 to do software interrupts to read the mouse status. An event which indicates that a mouse action occurred in a component. I only know that by default on linux the double click is shorter. Qt, gtk, and libsdl are some popular c libraries that provide functions for accessing mouse.
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