feat: 添加ElaWidgetTool库

ElaWidgetTools/private/ElaComboBoxPrivate.cpp

@@ -0,0 +1,26 @@
+#include "ElaComboBoxPrivate.h"
+#include "ElaComboBox.h"
+#include "ElaTheme.h"
+#include <QLineEdit>
+ElaComboBoxPrivate::ElaComboBoxPrivate(QObject* parent)
+    : QObject{parent}
+{
+}
+
+ElaComboBoxPrivate::~ElaComboBoxPrivate()
+{
+}
+
+void ElaComboBoxPrivate::onThemeChanged(ElaThemeType::ThemeMode themeMode)
+{
+    Q_Q(ElaComboBox);
+    _themeMode = themeMode;
+    auto lineEdit = q->lineEdit();
+    if (lineEdit)
+    {
+        QPalette palette = lineEdit->palette();
+        palette.setColor(QPalette::Text, ElaThemeColor(_themeMode, BasicText));
+        palette.setColor(QPalette::PlaceholderText, _themeMode == ElaThemeType::Light ? QColor(0x00, 0x00, 0x00, 128) : QColor(0xBA, 0xBA, 0xBA));
+        lineEdit->setPalette(palette);
+    }
+}