From 1c2289f2ce18b7a4eff15c9a06979769efe3f991 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 28 Jan 2015 16:29:01 +0300
Subject: [PATCH] alt-up and alt-down scroll through dialogs, fixed compile on
 windows

---
 Telegram/SourceFiles/gui/flattextarea.cpp |  4 ++--
 Telegram/SourceFiles/historywidget.cpp    | 18 ++++++++++++++++--
 Telegram/SourceFiles/settings.cpp         | 10 +++++-----
 3 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/Telegram/SourceFiles/gui/flattextarea.cpp b/Telegram/SourceFiles/gui/flattextarea.cpp
index 32c2607ffd..a7d25975d9 100644
--- a/Telegram/SourceFiles/gui/flattextarea.cpp
+++ b/Telegram/SourceFiles/gui/flattextarea.cpp
@@ -547,10 +547,10 @@ void FlatTextarea::keyPressEvent(QKeyEvent *e) {
 		if (tc == textCursor()) {
 			bool check = false;
 			if (e->key() == Qt::Key_PageUp || e->key() == Qt::Key_Up) {
-				tc.movePosition(QTextCursor::Start);
+				tc.movePosition(QTextCursor::Start, e->modifiers().testFlag(Qt::ShiftModifier) ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
 				check = true;
 			} else if (e->key() == Qt::Key_PageDown || e->key() == Qt::Key_Down) {
-				tc.movePosition(QTextCursor::End);
+				tc.movePosition(QTextCursor::End, e->modifiers().testFlag(Qt::ShiftModifier) ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
 				check = true;
 			}
 			if (check) {
diff --git a/Telegram/SourceFiles/historywidget.cpp b/Telegram/SourceFiles/historywidget.cpp
index 5a70e5ba70..6066a08ec1 100644
--- a/Telegram/SourceFiles/historywidget.cpp
+++ b/Telegram/SourceFiles/historywidget.cpp
@@ -3384,9 +3384,23 @@ void HistoryWidget::keyPressEvent(QKeyEvent *e) {
 			_scroll.scrollToY(_scroll.scrollTop() - _scroll.height());
 		}
 	} else if (e->key() == Qt::Key_Down) {
-		_scroll.scrollToY(_scroll.scrollTop() + _scroll.height() / 10);
+		if (e->modifiers() & Qt::AltModifier) {
+			PeerData *after = 0;
+			MsgId afterMsgId = 0;
+			App::main()->peerAfter(histPeer, hist ? hist->activeMsgId : 0, after, afterMsgId);
+			if (after) App::main()->showPeer(after->id, afterMsgId);
+		} else if (!(e->modifiers() & (Qt::ShiftModifier | Qt::MetaModifier | Qt::ControlModifier))) {
+			_scroll.scrollToY(_scroll.scrollTop() + _scroll.height() / 10);
+		}
 	} else if (e->key() == Qt::Key_Up) {
-		_scroll.scrollToY(_scroll.scrollTop() - _scroll.height() / 10);
+		if (e->modifiers() & Qt::AltModifier) {
+			PeerData *before = 0;
+			MsgId beforeMsgId = 0;
+			App::main()->peerBefore(histPeer, hist ? hist->activeMsgId : 0, before, beforeMsgId);
+			if (before) App::main()->showPeer(before->id, beforeMsgId);
+		} else if (!(e->modifiers() & (Qt::ShiftModifier | Qt::MetaModifier | Qt::ControlModifier))) {
+			_scroll.scrollToY(_scroll.scrollTop() - _scroll.height() / 10);
+		}
 	} else if ((e->key() == Qt::Key_Tab || e->key() == Qt::Key_Backtab) && ((e->modifiers() & Qt::ControlModifier) || (e->modifiers() & Qt::MetaModifier))) {
 		PeerData *p = 0;
 		MsgId m = 0;
diff --git a/Telegram/SourceFiles/settings.cpp b/Telegram/SourceFiles/settings.cpp
index 6dbc2881c3..f97fe603f0 100644
--- a/Telegram/SourceFiles/settings.cpp
+++ b/Telegram/SourceFiles/settings.cpp
@@ -129,11 +129,11 @@ int gNotifyDefaultDelay = 1500;
 int gOtherOnline = 0;
 
 void settingsParseArgs(int argc, char *argv[]) {
-	if (cPlatform() == dbipMac) {
-		gCustomNotifies = (QSysInfo::macVersion() < QSysInfo::MV_10_8);
-	} else {
-		gCustomNotifies = true;
-	}
+#ifdef Q_OS_MAC
+	gCustomNotifies = (QSysInfo::macVersion() < QSysInfo::MV_10_8);
+#else
+	gCustomNotifies = true;
+#endif
     memset_rand(&gInstance, sizeof(gInstance));
 	gExeDir = psCurrentExeDirectory(argc, argv);
 	gExeName = psCurrentExeName(argc, argv);