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Score of -1
0 answers
64 views

I'm using SDL for drawing pixels and derived items for my graphical interface project. As per new demands I need to switch to different lib. I would consider X11 or something like this. Basically I ...
Score of 3
1 answer
98 views

I tried this code to compare XLookupColor() to xcb_lookup_color(): #include <X11/Xlib.h> #include <string.h> #include <xcb/xcb.h> #include <stdio.h> int main(void) { const ...
Score of 5
0 answers
139 views

I've encountered a rather interesting problem. I wanted to extend my color-palette-viewer with the functionality to drag the colors into other applications. For a text editor this is easy, a ...
Score of 2
0 answers
155 views

I'm just trying to open an input method: #include <stdio.h> #include <X11/Xlib.h> int main() { Display *display = XOpenDisplay(nullptr); XSetLocaleModifiers(""); ...
Score of 0
2 answers
177 views

I'm building a real-time desktop OTP application on Ubuntu and need to ensure the OTP window is never captured during screen sharing (Chrome, Zoom, OBS, Discord, etc.), even when the user shares their ...
Score of 2
0 answers
107 views

I've been trying to reimplement electron-click-drag-plugin for the needs of my Electron app. But I hit a hard wall when implementing it for X11. I've successfully sent the EWMH event, but it doesn't ...
Score of 1
1 answer
116 views

I'm trying to render a basic image to a window with Cairo. I set up the window, then paint the image to it as I normally would: #include <threads.h> #include <time.h> #include <X11/...
Score of 0
3 answers
178 views

The only thing I could find online about scrolling is that Xlib gives you scrolling events as regular XButtonEvents (since, you know, we obviously need to track both scroll button presses and releases)...
Score of 0
2 answers
120 views

I'm trying to make a GUI app with Cairo, but whenever I resize the main window specifically inward, the background colour flickers in for a frame. There's a similar question about this, How to avoid ...
Score of 4
1 answer
185 views

I'm trying to use libxcb and cairo to make a GUI application in X11. Cairo needs to be notified every time the window resizes, so I set a handler for XCB_RESIZE_REQUEST events. However, when I resize ...
Score of 0
1 answer
150 views

I am using X11 display server. I have a Python script that uses PyAutoGUI to turn touches on the screen into mouse movement and controls. The packets which send the coordinate (and other) data of ...
Score of 3
1 answer
137 views

I am creating for a school project an isometric projection of a wireframe 3D model using an API for Libx called Minilibx. The input char *color is in the format 0xffffff the input char *hexa is the ...
Score of 0
2 answers
76 views

Let's say there already exists a window. I want the user to be able to hold mouse down on the window, prevent the window from receiving the mouse up events, and the window should think that the mouse ...
Score of 1
1 answer
68 views

On my machine, I get the following output from glxinfo -v (only relevant items shown): Visual ID: 22 depth=24 class=DirectColor, type=(none) bufferSize=24 level=0 renderType=rgba doubleBuffer=1 ...
Score of 0
2 answers
261 views

I am trying to understand how actually selections work in X11, like Primary and Clipboard selections. This question will have multiple questions inside it so I am sorry. I did my own research and ...

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