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fix: incorrect scale factor has been set in qt application which load dxcb platform plugin

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issue: https://github.com/linuxdeepin/developer-center/issues/7431

Signed-off-by: ComixHe <heyuming@deepin.org>
This commit is contained in:
ComixHe 2024-03-08 11:36:04 +08:00 committed by Comix
parent d54087bbc2
commit c9ca203390
1 changed files with 5 additions and 1 deletions
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6
src/dbus/applicationservice.cpp
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@ -53,7 +53,8 @@ void ApplicationService::appendExtraEnvironments(QVariantMap &runtimeOptions) co
{
QString oldEnv;
// scale factor
static QStringList scaleEnvs{"DEEPIN_WINE_SCALE=%1;", "GDK_DPI_SCALE=%1;", "QT_SCALE_FACTOR=%1;", "GDK_SCALE=%1;"};
// NOTE: Use QT_SCREEN_SCALE_FACTOR in multi-monitor situations, as this feature may be added in the future
static QStringList scaleEnvs{"DEEPIN_WINE_SCALE=%1;", "GDK_DPI_SCALE=%1;", "QT_SCREEN_SCALE_FACTOR=%1;", "GDK_SCALE=%1;"};
auto factor = scaleFactor();
if (auto it = runtimeOptions.find("env"); it != runtimeOptions.cend()) {
oldEnv = it->value<QString>();
@ -66,6 +67,9 @@ void ApplicationService::appendExtraEnvironments(QVariantMap &runtimeOptions) co
// GIO
oldEnv.append(QString{"GIO_LAUNCHED_DESKTOP_FILE=%1;"}.arg(m_desktopSource.sourcePath()));
// set for dxcb platform plugin, which should use scale factor directly instead of processing double times.
oldEnv.append(QString{"D_DXCB_FORCE_OVERRIDE_HIDPI=1"});
runtimeOptions.insert("env", oldEnv);
}