1

Author: notfoundzzz

src/Plugins/Qt/QTMCodePopup.cpp

@@ -14,6 +14,7 @@
 #include "scheme.hpp"
 
 #include <QAction>
+#include <QFontMetrics>
 #include <algorithm>
 #include <cmath>
 
@@ -106,11 +107,11 @@ QTMCodePopup::updatePosition (qt_renderer_rep* ren) {
   move (pos_x, pos_y);
 }
 
-// ????????????????????
+// 按按钮内容与字体动态计算弹窗尺寸，避免跨平台比例失衡。
 void
 QTMCodePopup::autoSize () {
-  const int fallbackWidth = 180;
-  const int fallbackHeight= 36;
+  const int fallbackWidth = 120;
+  const int fallbackHeight= 28;
   cached_width            = fallbackWidth;
   cached_height           = fallbackHeight;
   if (layout && copyBtn && langBtn) {
@@ -121,8 +122,20 @@ QTMCodePopup::autoSize () {
         copyBtn->sizeHint ().width () + langBtn->sizeHint ().width () + spacing;
     const int btnH= std::max (copyBtn->sizeHint ().height (),
                               langBtn->sizeHint ().height ());
-    cached_width  = std::max (btnW + lm + rm, fallbackWidth);
-    cached_height = std::max (btnH + tm + bm, fallbackHeight);
+
+    // 动态兜底：用当前字体度量计算最小按钮尺寸，避免固定值在 Linux 上显得过大。
+    QFontMetrics fmCopy (copyBtn->font ());
+    QFontMetrics fmLang (langBtn->font ());
+    const int    copyTextW= fmCopy.boundingRect (copyBtn->text ()).width ();
+    const int    langTextW= fmLang.boundingRect (langBtn->text ()).width ();
+    const int    copyMinW = copyTextW + 20;
+    const int    langMinW = langTextW + 20;
+    const int    textMinH = std::max (fmCopy.height (), fmLang.height ()) + 10;
+
+    const int dynamicMinW= copyMinW + langMinW + spacing + lm + rm;
+    const int dynamicMinH= textMinH + tm + bm;
+    cached_width         = std::max (btnW + lm + rm, dynamicMinW);
+    cached_height        = std::max (btnH + tm + bm, dynamicMinH);
   }
   setFixedSize (cached_width, cached_height);
 }