46 lines
1.8 KiB
Diff
46 lines
1.8 KiB
Diff
From 60547666dc4cafad4d65485c9830ced06a2e4d15 Mon Sep 17 00:00:00 2001
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From: liuxinhao <liuxinhao@kylinsec.com.cn>
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Date: Tue, 8 Nov 2022 16:37:10 +0800
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Subject: [PATCH 1/4] fix(Memory leak): Fix the memory leak of allocating
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QPalette when switching themes
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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修复切换主题时分配QPalette的内存泄漏
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---
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platformtheme/kiran-theme.cpp | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/platformtheme/kiran-theme.cpp b/platformtheme/kiran-theme.cpp
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index 1955fc4..bf48006 100644
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--- a/platformtheme/kiran-theme.cpp
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+++ b/platformtheme/kiran-theme.cpp
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@@ -335,6 +335,7 @@ void KiranTheme::handleThemeChanged()
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{
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// NOTE: SchemeLoader会接收KiranAppearanceMonitor的GTK主题改变信号，重新加载配色方案
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// 此处只需等到下一个事件循环，通知QGuiApplication重新更新palette
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+
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// clang-format off
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QTimer::singleShot(0, [this] {
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// 此事件会促使QGuiApplication重新从QPlatformTheme中获取系统级别的QPalette
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@@ -356,8 +357,15 @@ void KiranTheme::handleThemeChanged()
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///FIXME:
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///1.后续看是否有更好的方式能应用更新系统级别QPalette
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///2.加入判断是否外部自定义设置Application palette，若外部自定义设置了，则应不做处理
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+
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+ QPalette* oldPalette = nullptr;
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+ oldPalette = QGuiApplicationPrivate::app_pal;
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+
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QGuiApplicationPrivate::app_pal = new QPalette(*palette(SystemPalette));
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+ if( oldPalette )
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+ delete oldPalette;
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+
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// 该接口原本用于windows通知窗口主题变化时使用,现用来通知调用QGuiApplicationPrivate::notifyThemeChanged
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QGuiApplicationPrivate::processThemeChanged(&event);
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emit qApp->paletteChanged(*palette(SystemPalette));
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--
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2.33.0
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