pgi | Use PyGObject instead ] GTK / GObject Introspection Bindings | Theme library
kandi X-RAY | pgi Summary
kandi X-RAY | pgi Summary
[Unmaintained: Use PyGObject instead] GTK+ / GObject Introspection Bindings for PyPy.
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Top functions reviewed by kandi - BETA
- Creates a GObject attribute
- Add a method to target_cls
- Return the constant attribute
- Get the parent row of the row
- Add radio actions
- Connects a signal
- Connects to a signal
- Set the value of the GObject
- Encode a string
- Get the constructor for GObject2
- Run Gtk
- Require a namespace
- Load a module
- Run tests
- Create the toolbar
- Create enum class
- Creates an instance of the Interface class
- Wrap a class
- Add toggle actions
- Add actions
- Unpack a block of parameters
- Insert a new sibling before a parent node
- Unpack a gvalue field
- Run coverage tests
- Insert a new row at position
- Insert a new tree item
pgi Key Features
pgi Examples and Code Snippets
Community Discussions
Trending Discussions on pgi
QUESTION
I need to show separator between rows of the GTK3 treeview, but it gives error. I have read the documentation but I could not fix it I could not find an example for this function on the web.
To be able to see the working version of the code (without separator), toggle comment for the treeview1.set_model(treestore1)
line and comment out the following three code lines.
Here is the simplified code (Python 3.7):
...ANSWER
Answered 2021-Apr-28 at 13:54The TreeViewRowSeparatorFunc
is merely a type definition used in the C language. In Python, we don't use this, instead we use a normal function that returns whether the row should be a separator. This problem had me scratching my head for a bit.
QUESTION
I got icon data into a Python list. How could I get this icon data into pixbuf? I could not find it in this source.
Here is the code I get icon data:
...ANSWER
Answered 2021-Apr-06 at 04:23I could not find how to get Gio.AppInfo
icons into pixbuf, but I solved my problem in another way.
I have found Desktop application files in the /usr/share/applications/
location. I could get specific application icon by reading .desktop
file of it. Fİnally I could get the icon into pixbuf by using new_from_file()
command.
QUESTION
I'm try make a Convert From Base64 String. I read about base64 be ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=
This is my string:
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
I cant find a different chatter. Always are between the acceptable chatters.
I my code i do:
...ANSWER
Answered 2021-Mar-27 at 21:09I'll admit my way needs improving but how I solved this issue is splitting mid string based on the "=" and then just append "=" onto each of the new strings, creating a simple string array with both base64 values then you can just do your normal base64 decode and you have it done!
QUESTION
I have a simple Python code that creates a Linux tray indicator with AppIndicator3 from GI. That works fine. But I would like to detect and handle a simple user click or a double-click on this tray icon.
From what I know, for example, Telegram uses Qt class QSystemTrayIcon, and it supports this functionality because Telegram window shows itself when user double-click the tray icon.
- I know AppIndicator3 supports
scroll_event
signal that triggers when the user scrolls mouse wheel over the tray icon.
Signaled when the
AyatanaAppIndicator3.Indicator
receives a scroll event.
- There is also a
set_secondary_activate_target(menuitem)
method that indicates there is somehow handled middle-click event.
Set the
menuitem
to be activated when a secondary activation event (i.e. a middle-click) is emitted over theAyatanaAppIndicator3.Indicator
icon/label.
Is there somebody who understands how it works? Both previous examples make me wonder why there is not a simple mouse click signal/event. I'm thinking if it could be possible to go deeper, maybe inherit AyatanaAppIndicator3.Indicator class and rewrote some event handling? Or maybe dig even deeper into StatusNotifierItem and Activate method, if it is what AppIndicator implements?
Or is there any tricky workaround for this? Because this seems to be an unanswered question for more than ten years and I am not satisfied with "It is not possible" answer.
I'm also aware I'm not the first one asking this question. I made small research and found multiple related threads:
Python AppIndicator bindings -> howto check if the menu is open?
How to run an action when clicking on an appindicator
How to program a one click indicator (add middle click functionality)?
indicator-application does not send signals when a menu is shown/hidden
handle click events and modifiers
ANSWER
Answered 2021-Feb-19 at 02:27The perceived restrictions of AppIndicator are deliberate design choices (see Background information).
Listening to mouse click events will not work.
With AppIndicator you can have the following interactions:
- Primary action: Show a context menu (which may consist only of regular menu items, no arbitrary widgets can be placed).
- Secondary action: Activate one specific item in this context menu (usually middle mouse click on Desktops).
- Listen to mouse scroll events on the icon.
You will need to switch to another solution for detecting arbitrary mouse clicks. Here I assume you want to stick to Python/GTK as you tagged your question accordingly.
One solution is to use Gtk.StatusIcon which is based on the rather old System Tray Protocol Specification. Problem is this solution is slowly being phased out. It's marked deprecated in GTK3 and has been removed in GTK4.
The only other viable solution I know of is libxapps (by Mint Linux). It features XApp.StatusIcon which has been specifically designed to be a modern replacement for Gtk.StatusIcon. It supports all Desktop Environments that can show tray icons.
Background information
The Ubuntu Desktop Experience Team deemed the Linux Desktop notification area a "problem-area". Specifically they criticized the inconsistency of different application status icon in user experience and style. They proposed to restrict user interactions to a few standardized ways. This effort led to the development of AppIndicator. (Source)
By the way, here is another old (2011) albeit interesting blog post about different solutions:
StatusNotifierItem (aka App Indicators) for Qt applications
QUESTION
In a Fortran program, I have a large loop with several dot_product
calls on small vectors generated within the loop:
ANSWER
Answered 2021-Feb-02 at 17:24Is there a way to force dot_product to run sequentially?
So long as you don't mind the array syntax being run sequentially as well, just add "gang vector" to the loop directive.
QUESTION
I want the X/Y pixel dimensions of the entire desktop (potentially spanning multiple monitors), e.g. to determine the optimal resolution of a background image.
This Python code still works:
...ANSWER
Answered 2021-Jan-25 at 21:07I have no GTK installed so unfortunately can't test, but I think something like this should work:
QUESTION
I have a C library with only two functions: char *foo_decode(const char*)
and const char *foo_version()
.
I now want to create a python module that allows to call these two functions.
The C library is compiled into foo.so
.
This is my python module file:
...ANSWER
Answered 2020-Dec-18 at 12:05You have a shared library foo.so
and a module foo.py
. When Python does import foo
it loads only one of them; in your case it's foo.so
; but foo.so
is not a Python module hence the error.
Rename your foo.py
to something different like foo_wrapper.py
and try import foo_wrapper
.
QUESTION
I am currently accelerating a Fortran code where a contained subroutine (subsub
) accesses and modifies variables declared in the parent subroutine (sub
):
ANSWER
Answered 2020-Dec-10 at 18:42No, this pattern wont work. For contained routines, the compiler passes a hidden argument to the parent's stack pointer. In this case, the stack pointer would be to the host, which will cause problems when trying to access it from the device.
The work around would be to pass in the variables to the subroutine. For example:
QUESTION
I was having an interesting bug with changes not being registered. The fix was unusual. The first code works fine, while the second one - doesn't.
...ANSWER
Answered 2020-Nov-30 at 11:40The expression value |= DoSomething
is nothing but this:
QUESTION
I used to freely download the community version of the PGI compiler, which for however many years seemed to be one version older than the professional version. As the professional version updated to a new version, that old version became the freely available "community" version.
Can someone tell me, plainly, what is going on now?
I've made an account, did not succeed in finding out how i get it now. I did not find a price list or any indication of go here and pay us money. I need to understand what's going on, as I relied on it to provide its libraries in order to run other software we paid for that was pgi compiled.
...ANSWER
Answered 2020-Oct-17 at 00:58PGI was re-branded to be the NVIDIA HPC Compiler and now part the the NVHPC SDK which is available at https://developer.nvidia.com/hpc-sdk
I used to freely download the community version of the PGI compiler, which for however many years seemed to be one version older than the professional version. As the professional version updated to a new version, that old version became the freely available "community" version.
This isn't quite accurate. The complier packages for both the Community and Professional Editions were exactly the same. The Community Edition was not an older release. The difference was that Professional Edition licenses holder were provided email support as well as intermediate releases, while the Community Edition users were provided support only via the PGI User Forums with releases made available twice a year.
With the new NVHPC SDK, all releases are now available at no-cost. For-fee email support is available if needed. Though free support is still available through the User Forums which have been moved to NVIDIA's Developer forums: https://forums.developer.nvidia.com/c/accelerated-computing/hpc-compilers/299/l/latest which I moderate. Though I and others check StackOverflow as well, so feel free to ask questions here and we'll do our best to answer.
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Install pgi
You can use pgi like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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