64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
// Copyright (c) 2014 GitHub, Inc. All rights reserved.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/browser/atom_browser_main_parts.h"
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#include "base/command_line.h"
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#include "base/strings/string_number_conversions.h"
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#include "library_loaders/libgio.h"
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#include "ui/gfx/switches.h"
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namespace atom {
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namespace {
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const char* kInterfaceSchema = "org.gnome.desktop.interface";
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const char* kScaleFactor = "scale-factor";
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} // namespace
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void AtomBrowserMainParts::SetDPIFromGSettings() {
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LibGioLoader libgio_loader;
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// Try also without .0 at the end; on some systems this may be required.
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if (!libgio_loader.Load("libgio-2.0.so.0") &&
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!libgio_loader.Load("libgio-2.0.so")) {
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VLOG(1) << "Cannot load gio library. Will fall back to gconf.";
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return;
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}
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GSettings* client = libgio_loader.g_settings_new(kInterfaceSchema);
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if (!client) {
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VLOG(1) << "Cannot create gsettings client.";
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return;
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}
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gchar** keys = libgio_loader.g_settings_list_keys(client);
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if (!keys) {
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g_object_unref(client);
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return;
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}
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// Check if the "scale-factor" settings exsits.
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gchar** iter = keys;
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while (*iter) {
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if (strcmp(*iter, kScaleFactor) == 0)
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break;
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iter++;
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}
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if (*iter) {
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guint scale_factor = libgio_loader.g_settings_get_uint(
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client, kScaleFactor);
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if (scale_factor >= 1) {
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base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
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switches::kForceDeviceScaleFactor, base::UintToString(scale_factor));
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}
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}
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g_strfreev(keys);
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g_object_unref(client);
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}
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} // namespace atom
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