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Hello,

I'm under the impression something has changed. The stuff below is taken from my package shinyMergely. Here is the file input:

          fileInput(
            "files", NULL, multiple = TRUE,
            buttonLabel = "Select two files at once..."
          )

When I click on it, nothing happens, unless I click on the extreme left of the button:

I'm pretty sure the behavior was different with previous versions of Shiny. I could click anywhere on the button.

> sessionInfo()
R version 4.1.2 (2021-11-01)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 18363)

Matrix products: default

locale:
[1] LC_COLLATE=French_Belgium.1252  LC_CTYPE=French_Belgium.1252   
[3] LC_MONETARY=French_Belgium.1252 LC_NUMERIC=C                   
[5] LC_TIME=French_Belgium.1252    

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] uchardet_1.1.0     shinyjqui_0.4.0    shinythemes_1.2.0  shiny_1.7.1       
[5] shinyMergely_0.2.0

loaded via a namespace (and not attached):
 [1] Rcpp_1.0.7        jquerylib_0.1.4   bslib_0.3.1       compiler_4.1.2   
 [5] pillar_1.6.4      later_1.3.0       prettyunits_1.1.1 remotes_2.4.2    
 [9] tools_4.1.2       testthat_3.1.1    digest_0.6.29     pkgbuild_1.3.1   
[13] pkgload_1.2.4     jsonlite_1.7.3    memoise_2.0.1     lifecycle_1.0.1  
[17] tibble_3.1.6      pkgconfig_2.0.3   rlang_0.4.12      rstudioapi_0.13  
[21] cli_3.1.1         curl_4.3.2        fastmap_1.1.0     httr_1.4.2       
[25] withr_2.4.3       sass_0.4.0        htmlwidgets_1.5.4 vctrs_0.3.8      
[29] desc_1.4.0        fs_1.5.2          devtools_2.4.3    rprojroot_2.0.2  
[33] glue_1.6.0        R6_2.5.1          processx_3.5.2    fansi_1.0.2      
[37] sessioninfo_1.2.2 callr_3.7.0       purrr_0.3.4       magrittr_2.0.1   
[41] ps_1.6.0          promises_1.2.0.1  ellipsis_0.3.2    htmltools_0.5.2  
[45] usethis_2.1.5     mime_0.12         xtable_1.8-4      httpuv_1.6.5     
[49] utf8_1.2.2        cachem_1.0.6      crayon_1.4.2    

I can click anywhere on the button to open the file dialog in a basic shiny app (shiny_1.7.1):

library(shiny)

ui <- fluidPage(
  fileInput(
    "files", NULL, multiple = TRUE,
    buttonLabel = "Select two files at once..."
  )
)

server <- function(input, output, session) {}

shinyApp(ui, server)

Indeed... strange. Will look at my code to see what I did exactly.

Very strange: when I open the browser console, I can click anywhere.

Inspecting the app on firefox gives some warnings:

Strange again. There's no zoom in my CSS.