About MaChao

MaChao · 2021-10-19

In my project, SD card was used to store the video, JPEG peripherals +DMA2D were used to convert the video format and finally displayed on the LCD screen, but only the first 4 frames could be converted each time, and then HAL_JPEG_DecodeCpltCallback ...

MaChao · 2021-04-11

HiCurrently in the project, I am using a custom container and want to implement DragEvent and ClickEvent in the custom container. I follow the instructions to configure my container.hpp and container.cpp, but nothing works.I use the same method in th...

MaChao · 2021-04-18

Sorry, I'm thinking of wrapping click-and-drag events in a custom container so that each container can be handled separately for code decoupling..Now it seems that this can not be realized. I can only deal with it in my screen as you said.Thank you f...

MaChao · 2021-04-17

Thank you for your reply. I tried to open the ClickListener mixin of the custom container, and the click was effective. However, when I opened the drag and drop event, I was not quite sure how to operate it.Also hope to get your help, thank you!

MaChao · 2021-04-12

Hi,Alexandre:Thank you for your reply,I'm sorry that I can't enclose my project, but this situation is easy to repeat. Create a mainscreen of 800*480, and I define the pixel size of my custom container to be 600*400. Add the custom container as a wid...

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STM32H750 JPEG: Video processing is always stuck

The custom container cannot respond to ClickEvent and DragEvent

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Re: The custom container cannot respond to ClickEvent and DragEvent