From 2751f152e75f2f880f8ea8b4b39893e140418352 Mon Sep 17 00:00:00 2001
From: Tian Shilin <tianshilin@uniontech.com>
Date: Mon, 3 Aug 2026 14:19:44 +0800
Subject: [PATCH] fix(editor): improve mixed-language file name display in tabs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Increase the maximum tab width to avoid squeezing mixed-language names.

增大标签页最大宽度，避免中英文混合文件名被过度挤压。

Log: 优化中英文混合文件名标签显示

PMS: BUG-370145

Influence: 标签页可展示更完整的中英文混合文件名，减少字符显示不清晰问题。
---
 src/controls/tabbar.cpp          | 8 ++++----
 tests/src/controls/ut_tabbar.cpp | 3 +--
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/controls/tabbar.cpp b/src/controls/tabbar.cpp
index 6d7373c5..3eee2c62 100644
--- a/src/controls/tabbar.cpp
+++ b/src/controls/tabbar.cpp
@@ -862,8 +862,8 @@ QSize Tabbar::tabSizeHint(int index) const
     if (index >= 0) {
         int total = this->width();
         // 计算每个tab宽度：标签数未溢出时使用固定最大宽度，溢出时等分
-        const int maxTabWidth = 160;
-        const int minTabWidth = 110;
+        const int maxTabWidth = 200;
+        const int minTabWidth = (index == currentIndex()) ? 160 : 110;
         int tabCount = DTabBar::count();
         int tabWidth = maxTabWidth;
 
@@ -898,9 +898,9 @@ QSize Tabbar::maximumTabSizeHint(int index) const
     qDebug() << "Enter maximumTabSizeHint, index:" << index;
     Q_UNUSED(index)
 #ifdef DTKWIDGET_CLASS_DSizeMode
-    return QSize(160, DGuiApplicationHelper::isCompactMode() ? s_TabbarHeightCompact : s_TabbarHeight);
+    return QSize(200, DGuiApplicationHelper::isCompactMode() ? s_TabbarHeightCompact : s_TabbarHeight);
 #else
-    return QSize(160, 40);
+    return QSize(200, 40);
 #endif
     qDebug() << "Exit maximumTabSizeHint";
 }
diff --git a/tests/src/controls/ut_tabbar.cpp b/tests/src/controls/ut_tabbar.cpp
index fcbf6ca1..ce698e04 100644
--- a/tests/src/controls/ut_tabbar.cpp
+++ b/tests/src/controls/ut_tabbar.cpp
@@ -291,7 +291,7 @@ TEST(UT_Tabbar_maximumTabSizeHint, UT_Tabbar_maximumTabSizeHint)
     Tabbar * tab = new Tabbar();
     tab->addTab("/.cache/deepin/deepin-editor","aa");
 
-    EXPECT_EQ(tab->maximumTabSizeHint(0),QSize(160, 40));
+    EXPECT_EQ(tab->maximumTabSizeHint(0),QSize(200, 40));
 
     EXPECT_NE(tab,nullptr);
 
@@ -813,4 +813,3 @@ TEST(UT_Tabbar_tr, UT_Tabbar_tr)
     EXPECT_FALSE(tab->tr("Close other tabs").isEmpty());
     tab->deleteLater();
 }
-