Index: binaries/data/mods/public/gui/common/tab_buttons.xml
===================================================================
--- binaries/data/mods/public/gui/common/tab_buttons.xml
+++ binaries/data/mods/public/gui/common/tab_buttons.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <object>
 	<object hotkey="tab.next">
-		<action on="Press">selectNextTab(1);</action>
+		<action on="Keydown">selectNextTab(1);</action>
 	</object>
 
 	<object hotkey="tab.prev">
-		<action on="Press">selectNextTab(-1);</action>
+		<action on="Keydown">selectNextTab(-1);</action>
 	</object>
 
 	<object name="tabButtons" type="image">
Index: binaries/data/mods/public/gui/session/hotkeys/misc.xml
===================================================================
--- binaries/data/mods/public/gui/session/hotkeys/misc.xml
+++ binaries/data/mods/public/gui/session/hotkeys/misc.xml
@@ -76,11 +76,11 @@
 	</object>
 
 	<object hotkey="session.unload">
-		<action on="Press">unloadAll();</action>
+		<action on="Keydown">unloadAll();</action>
 	</object>
 
 	<object hotkey="session.stop">
-		<action on="Press">stopUnits(g_Selection.toList());</action>
+		<action on="Keydown">stopUnits(g_Selection.toList());</action>
 	</object>
 
 	<object hotkey="session.backtowork">
@@ -106,11 +106,11 @@
 
 	<!-- Find idle warrior - TODO: Potentially move this to own UI button? -->
 	<object hotkey="selection.idlewarrior">
-		<action on="Press">findIdleUnit(g_MilitaryTypes);</action>
+		<action on="KeyDown">findIdleUnit(g_MilitaryTypes);</action>
 	</object>
 
 	<object hotkey="selection.idleunit">
-		<action on="Press">findIdleUnit(["!Domestic"]);</action>
+		<action on="KeyDown">findIdleUnit(["!Domestic"]);</action>
 	</object>
 
 	<object hotkey="selection.cancel">
Index: binaries/data/mods/public/gui/session/hotkeys/training.xml
===================================================================
--- binaries/data/mods/public/gui/session/hotkeys/training.xml
+++ binaries/data/mods/public/gui/session/hotkeys/training.xml
@@ -2,36 +2,36 @@
 <object>
 	<!-- queue first unit in the training queue  -->
 	<object hotkey="session.queueunit.1">
-		<action on="Press">addTrainingByPosition(0);</action>
+		<action on="Keydown">addTrainingByPosition(0);</action>
 	</object>
 
 	<!-- queue 2nd unit in the training queue  -->
 	<object hotkey="session.queueunit.2">
-		<action on="Press">addTrainingByPosition(1);</action>
+		<action on="Keydown">addTrainingByPosition(1);</action>
 	</object>
 
 	<!-- queue 3rd unit in the training queue  -->
 	<object hotkey="session.queueunit.3">
-		<action on="Press">addTrainingByPosition(2);</action>
+		<action on="Keydown">addTrainingByPosition(2);</action>
 	</object>
 
 	<!-- queue 4th unit in the training queue  -->
 	<object hotkey="session.queueunit.4">
-		<action on="Press">addTrainingByPosition(3);</action>
+		<action on="Keydown">addTrainingByPosition(3);</action>
 	</object>
 
 	<!-- queue 5th unit in the training queue  -->
 	<object hotkey="session.queueunit.5">
-		<action on="Press">addTrainingByPosition(4);</action>
+		<action on="Keydown">addTrainingByPosition(4);</action>
 	</object>
 
 	<!-- queue 6th unit in the training queue  -->
 	<object hotkey="session.queueunit.6">
-		<action on="Press">addTrainingByPosition(5);</action>
+		<action on="Keydown">addTrainingByPosition(5);</action>
 	</object>
 
 	<!-- queue 7th unit in the training queue  -->
 	<object hotkey="session.queueunit.7">
-		<action on="Press">addTrainingByPosition(6);</action>
+		<action on="Keydown">addTrainingByPosition(6);</action>
 	</object>
 </object>
Index: binaries/data/mods/public/gui/session/minimap_panel.xml
===================================================================
--- binaries/data/mods/public/gui/session/minimap_panel.xml
+++ binaries/data/mods/public/gui/session/minimap_panel.xml
@@ -27,7 +27,7 @@
 		sprite_over="stretched:session/minimap-idle-highlight.png"
 		sprite_disabled="stretched:session/minimap-idle-disabled.png"
 	>
-		<action on="Press">findIdleUnit(g_WorkerTypes);</action>
+		<action on="Keydown">findIdleUnit(g_WorkerTypes);</action>
 	</object>
 
 	<!-- Diplomacy Colors Button -->
Index: binaries/data/mods/public/gui/session/unit_actions.js
===================================================================
--- binaries/data/mods/public/gui/session/unit_actions.js
+++ binaries/data/mods/public/gui/session/unit_actions.js
@@ -1169,7 +1169,8 @@
 		},
 		"execute": function(entStates)
 		{
-			// TODO: Would be nicer to cycle between the rallypoints of multiple entities instead of just using the first
+			// TODO: Would be nicer to cycle between the rallypoints of multiple entities instead of just using the first,
+			// this would require Keydown event on the hotkey
 			let focusTarget;
 			for (let entState of entStates)
 				if (entState.rallyPoint && entState.rallyPoint.position)
Index: binaries/data/mods/public/gui/summary/summary.xml
===================================================================
--- binaries/data/mods/public/gui/summary/summary.xml
+++ binaries/data/mods/public/gui/summary/summary.xml
@@ -17,11 +17,11 @@
 	</object>
 
 	<object hotkey="tab.next">
-		<action on="Press">selectNextTab(1);</action>
+		<action on="Keydown">selectNextTab(1);</action>
 	</object>
 
 	<object hotkey="tab.prev">
-		<action on="Press">selectNextTab(-1);</action>
+		<action on="Keydown">selectNextTab(-1);</action>
 	</object>
 
 	<object type="image" sprite="ModernFade" name="fadeImage"/>
Index: source/gui/CGUI.cpp
===================================================================
--- source/gui/CGUI.cpp
+++ source/gui/CGUI.cpp
@@ -81,8 +81,12 @@
 				HotkeyInputHandler(ev);
 				ret = IN_HANDLED;
 
-				if (ev->ev.type == SDL_HOTKEYDOWN)
+				// On keydown send 1 or 2 messages depending on repeat flag. This does not work on linux
+				// for special keys (shift, alt, ctrl), since the linux keyboard event manager sends the KEYDOWN only once.
+				if (ev->ev.type == SDL_HOTKEYDOWN && (int)ev->ev.user.data2 == 0)
 					obj->SendEvent(GUIM_PRESSED, "press");
+				if (ev->ev.type == SDL_HOTKEYDOWN)
+					obj->SendEvent(GUIM_PRESSED, "keydown");
 				else
 					obj->SendEvent(GUIM_RELEASED, "release");
 			}
Index: source/ps/Hotkey.cpp
===================================================================
--- source/ps/Hotkey.cpp
+++ source/ps/Hotkey.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2017 Wildfire Games.
+/* Copyright (C) 2018 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -214,6 +214,9 @@
 
 	SDL_Event_ phantom;
 	phantom.ev.type = ((ev->ev.type == SDL_KEYDOWN) || (ev->ev.type == SDL_MOUSEBUTTONDOWN)) ? SDL_KEYDOWN : SDL_KEYUP;
+	if (phantom.ev.type == SDL_KEYDOWN)
+		phantom.ev.key.repeat = ev->ev.key.repeat;
+
 	if ((keycode == SDLK_LSHIFT) || (keycode == SDLK_RSHIFT))
 	{
 		phantom.ev.key.keysym.sym = (SDL_Keycode)UNIFIED_SHIFT;
@@ -307,6 +310,7 @@
 		SDL_Event_ hotkeyNotification;
 		hotkeyNotification.ev.type = SDL_HOTKEYDOWN;
 		hotkeyNotification.ev.user.data1 = const_cast<char*>(closestMapNames[i]);
+		hotkeyNotification.ev.user.data2 = (void*)(ev->ev.type == SDL_KEYDOWN ? ev->ev.key.repeat : 0);
 		in_push_priority_event(&hotkeyNotification);
 	}