Mouse down event not registered properly when there is no mouse motion about microui HOT 5 OPEN

Got the fix! Touchscreen now works perfectly.

In microui.c changed line 654:
if (mouseover /*&& !ctx->mouse_down*/) { ctx->hover = id; }

In microui.c added a new line at 1042:
if( ctx->last_hover_root == 0 ) ctx->last_hover_root = cnt;

from microui.

I think I have a better understanding now. ctx->hover_root is not set on mousedown and the mu_mouse_over called from mu_update_control fails because in_hover_root returns false.
Not sure how to fix it yet though.

from microui.

Ok I think I found the issue. The problem lies with ctx->last_hover_root. Since it is null at the beginning, the first move and click will be lost. This never happens when we send down mouse moves every frame as ctx->last_hover_root will be quickly set to something valid. I think I will fix my problem by sending fake mouse moves at the window header coordinates.
I wonder if this behavior could also affect focus state.

from microui.

@uberyoji do you still have the modified microui.c somewhere? I think the lines changed or I am not sure if I am looking in the right place. Do you remember if this solved in Switch but broke the mouse?

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@ericoporto The most recently commit available when uberyoji wrote their comment is c988730 (Committed on Oct 6, 2019).

• Explore all files @ commit c988730f1b744ce3c7169da8794e4d8dbd4ee777
• microui.c @ commit c988730f1b744ce3c7169da8794e4d8dbd4ee777

If you have a local copy of the repository (from git clone), you can run git checkout c988730 to visit that commit. You can run git checkout - to go back to the current commit. (If you've made any local commits after running the first command, check this stackoverflow answer before you go back or you may lose your changes.)

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