Enable third column by default in Mac App Store build.

Telegram/SourceFiles/main/main_settings.cpp

@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "support/support_common.h"
 #include "storage/serialize_common.h"
 #include "boxes/send_files_box.h"
+#include "base/platform/base_platform_info.h"
 
 namespace Main {
 namespace {
@@ -38,10 +39,17 @@ Settings::Variables::Variables()
 , selectorTab(ChatHelpers::SelectorTab::Emoji)
 , floatPlayerColumn(Window::Column::Second)
 , floatPlayerCorner(RectPart::TopRight)
+, dialogsWidthRatio(ThirdColumnByDefault()
+	? kDefaultBigDialogsWidthRatio
+	: kDefaultDialogsWidthRatio)
 , sendSubmitWay(Ui::InputSubmitSettings::Enter)
 , supportSwitch(Support::SwitchSettings::Next) {
 }
 
+bool Settings::ThirdColumnByDefault() {
+	return Platform::IsMacStoreBuild();
+}
+
 QByteArray Settings::serialize() const {
 	const auto autoDownload = _variables.autoDownload.serialize();
 	auto size = sizeof(qint32) * 38;

Telegram/SourceFiles/main/main_settings.h

@@ -254,11 +254,14 @@ public:
 		_variables.videoPipGeometry = geometry;
 	}
 
+	[[nodiscard]] static bool ThirdColumnByDefault();
+
 private:
 	struct Variables {
 		Variables();
 
 		static constexpr auto kDefaultDialogsWidthRatio = 5. / 14;
+		static constexpr auto kDefaultBigDialogsWidthRatio = 0.275;
 		static constexpr auto kDefaultThirdColumnWidth = 0;
 
 		bool lastSeenWarningSeen = false;
@@ -273,8 +276,7 @@ private:
 		bool thirdSectionInfoEnabled = true; // per-window
 		bool smallDialogsList = false; // per-window
 		int thirdSectionExtendedBy = -1; // per-window
-		rpl::variable<float64> dialogsWidthRatio
-			= kDefaultDialogsWidthRatio; // per-window
+		rpl::variable<float64> dialogsWidthRatio; // per-window
 		rpl::variable<int> thirdColumnWidth
 			= kDefaultThirdColumnWidth; // per-window
 		Ui::InputSubmitSettings sendSubmitWay;

Telegram/SourceFiles/window/main_window.cpp

@@ -398,15 +398,21 @@ void MainWindow::initSize() {
 		? primaryScreen->availableGeometry()
 		: QRect(0, 0, st::windowDefaultWidth, st::windowDefaultHeight);
 	bool maximized = false;
+	const auto initialWidth = Main::Settings::ThirdColumnByDefault()
+		? st::windowBigDefaultWidth
+		: st::windowDefaultWidth;
+	const auto initialHeight = Main::Settings::ThirdColumnByDefault()
+		? st::windowBigDefaultHeight
+		: st::windowDefaultHeight;
 	auto geometry = QRect(
 		available.x() + std::max(
-			(available.width() - st::windowDefaultWidth) / 2,
+			(available.width() - initialWidth) / 2,
 			0),
 		available.y() + std::max(
-			(available.height() - st::windowDefaultHeight) / 2,
+			(available.height() - initialHeight) / 2,
 			0),
-		st::windowDefaultWidth,
-		st::windowDefaultHeight);
+		initialWidth,
+		initialHeight);
 	if (position.w && position.h) {
 		for (auto screen : QGuiApplication::screens()) {
 			if (position.moncrc == screenNameChecksum(screen->name())) {

Telegram/SourceFiles/window/window.style

@@ -14,6 +14,8 @@ windowMinWidth: 380px;
 windowMinHeight: 480px;
 windowDefaultWidth: 800px;
 windowDefaultHeight: 600px;
+windowBigDefaultWidth: 1024px;
+windowBigDefaultHeight: 768px;
 
 columnMinimalWidthLeft: 260px;
 columnMaximalWidthLeft: 540px;