Use QStyle to fetch checkbox size and spacing info instead of relying on magic numbers for label truncation (#805)

* Use QStyle to fetch checkbox size and spacing info

* remove unnecessary use of auto*

* access static member the correct way

1 files changed, 4 insertions, 6 deletions

diff --git a/src/courtroom.cpp b/src/courtroom.cpp
index 563c5cc1..7bde8377 100644
--- a/src/courtroom.cpp
+++ b/src/courtroom.cpp
@@ -5614,12 +5614,10 @@ void Courtroom::truncate_label_text(QWidget *p_widget, QString p_identifier)
     qInfo() << "Truncation aborted for label text" << label_text_tr << ", label text was already truncated!";
     return;
   }
-  int label_theme_width =
-      (p_label != nullptr
-           ? design_ini_result.width
-           : design_ini_result.width -
-                 18); // 18 is the width of a checkbox on win10 + 5px of
-                      // padding, TODO: fetch the actual size
+
+  int checkbox_width = AOApplication::style()->pixelMetric(QStyle::PM_IndicatorWidth) + AOApplication::style()->pixelMetric(QStyle::PM_CheckBoxLabelSpacing);
+
+  int label_theme_width = (p_label != nullptr ? design_ini_result.width : (design_ini_result.width - checkbox_width));
   int label_px_width =
       p_widget->fontMetrics().boundingRect(label_text_tr).width(); // pixel width of our translated text
   if (!p_widget->toolTip().startsWith(label_text_tr)) // don't want to append this multiple times