I am developping an zotero plugin, and would like to draw a dialog. The width of dialog, groupbox, hbox, checkbox etc have been tried, minwidth, maxwi ...
I am developping an zotero plugin, and would like to draw a dialog. The width of dialog, groupbox, hbox, checkbox etc have been tried, minwidth, maxwi ...
I'm writing an add-on for Pale Moon web browser (Mozilla). I have added the menu item to the right-click menu contentAreaContextMenu, which is the me ...
In my currently writing Thunderbird 68.5.0's addon, the dialog's event handlers both ondialogaccept and ondialogcancel are not fired for unknown reaso ...
I can not understand in my writing Thunderbird addon that a textbox is not generated as multiline against my intension. Could you tell me the reason ...
My goal is to access the current Text in the editor when composing a message with Thunderbird. Before Thunderbird 68 my extension could access the t ...
How does one invoke a function provided by a Firefox extension, inside FireGestures User Script? For example, I frequently use deskCut's context menu ...
I had been using an old version of Firefox, because I have a legacy add-on which is incompatible with new versions. Now many websites have stopped wor ...
I've some problem with integrating Gecko in C# with XUL. 1/I've downloaded geckofx45.45.0.34.nupkg. With that, I've renamed its extension in '.zip' a ...
I need to migrate the settings from the old version of the extension (XUL / Components.interfaces.nsIPrefService) to the new one (WebExtension / brows ...
I wasn't able to find the popup with suggestions of URLs when you begin typing an address. Just to be clear – here is a screenshot of what I mean: ...
Embedded WebExtensions talks all about how to "... embed a WebExtension in a classic bootstrapped extension or an Add-on SDK add-on." But I've got ne ...
I am trying to find some userChrome.css to cause Firefox HTML5 video tags to always display the control bar: Looking at the source code I see that t ...
I work with XUL and I have two hboxes in each there is one checkbox : I want to have this behaviour : only one of the two chekboxes can be checked ...
With Firefox discontinuing the use XUL overlay it raises concerns that Selenium IDE requires this overlay to function. Can anyone confirm one way or t ...
I am working on a XUL desktop application, where I use the browser tag and load a URL in that tag within the desktop application. However, some websi ...
I'm going slightly demented with an old(ish) firefox extension I am trying to clean up. It creates a list of web sites and their favicon. And it displ ...
On Windows system pressing Win + L will lock the workstation. Is there a way within XUL addon detect when workstation is being locked down? I could pr ...
I would like to open the thunderbrid-lightning-create event dialog with a given date and time. Currently I have: Which opens the Dialog as expected ...
I am creating a firefox addon using xul. I have added a dynamic iframe using following script: Above script is successfully adding a new iframe on ...
Previously, you could extend/style Firefox DevTools at chrome://devtools/content/framework/toolbox-options.xul with an overlay. Now, that seems to no ...