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fix: add support for ELECTRON_OZONE_PLATFORM_HINT env var (#39792)

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Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
This commit is contained in:
Valentin Hăloiu 2023-09-20 21:21:23 +01:00 committed by GitHub
parent 6a8b70639b
commit 58fd8825d2
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 18 additions and 2 deletions
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10
docs/api/environment-variables.md
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@ -111,6 +111,16 @@ Options:
* `kioclient5`
* `kioclient`
### `ELECTRON_OZONE_PLATFORM_HINT` _Linux_
Selects the preferred platform backend used on Linux. The default one is `x11`. `auto` selects Wayland if possible, X11 otherwise.
Options:
* `auto`
* `wayland`
* `x11`
## Development Variables
The following environment variables are intended primarily for development and

10
shell/browser/electron_browser_main_parts_linux.cc
View file

@ -15,6 +15,9 @@
#include "shell/common/thread_restrictions.h"
#endif
constexpr base::StringPiece kElectronOzonePlatformHint(
"ELECTRON_OZONE_PLATFORM_HINT");
#if BUILDFLAG(OZONE_PLATFORM_WAYLAND)
constexpr char kPlatformWayland[] = "wayland";
@ -115,17 +118,20 @@ std::string MaybeFixPlatformName(const std::string& ozone_platform_hint) {
} // namespace
void ElectronBrowserMainParts::DetectOzonePlatform() {
auto const env = base::Environment::Create();
auto* const command_line = base::CommandLine::ForCurrentProcess();
if (!command_line->HasSwitch(switches::kOzonePlatform)) {
const auto ozone_platform_hint =
auto ozone_platform_hint =
command_line->GetSwitchValueASCII(switches::kOzonePlatformHint);
if (ozone_platform_hint.empty()) {
env->GetVar(kElectronOzonePlatformHint, &ozone_platform_hint);
}
if (!ozone_platform_hint.empty()) {
command_line->AppendSwitchASCII(
switches::kOzonePlatform, MaybeFixPlatformName(ozone_platform_hint));
}
}
auto env = base::Environment::Create();
std::string desktop_startup_id;
if (env->GetVar("DESKTOP_STARTUP_ID", &desktop_startup_id))
command_line->AppendSwitchASCII("desktop-startup-id", desktop_startup_id);