diff --git a/release/scripts/ui/space_dopesheet.py b/release/scripts/ui/space_dopesheet.py
index 2bd0300c465..f0ddc3b4651 100644
--- a/release/scripts/ui/space_dopesheet.py
+++ b/release/scripts/ui/space_dopesheet.py
@@ -130,6 +130,8 @@ class DOPESHEET_MT_channel(bpy.types.Menu):
     def draw(self, context):
         layout = self.layout
 
+        layout.operator_context = 'INVOKE_REGION_CHANNELS'
+
         layout.column()
         layout.operator("anim.channels_setting_toggle")
         layout.operator("anim.channels_setting_enable")
diff --git a/release/scripts/ui/space_graph.py b/release/scripts/ui/space_graph.py
index 511ab06d0da..3ee85672f28 100644
--- a/release/scripts/ui/space_graph.py
+++ b/release/scripts/ui/space_graph.py
@@ -133,6 +133,8 @@ class GRAPH_MT_channel(bpy.types.Menu):
     def draw(self, context):
         layout = self.layout
 
+        layout.operator_context = 'INVOKE_REGION_CHANNELS'
+
         layout.column()
         layout.operator("anim.channels_setting_toggle")
         layout.operator("anim.channels_setting_enable")
diff --git a/release/scripts/ui/space_sequencer.py b/release/scripts/ui/space_sequencer.py
index 9a63903300e..d1b7affc1be 100644
--- a/release/scripts/ui/space_sequencer.py
+++ b/release/scripts/ui/space_sequencer.py
@@ -123,7 +123,9 @@ class SEQUENCER_MT_view(bpy.types.Menu):
         if (st.view_type == 'SEQUENCER') or (st.view_type == 'SEQUENCER_PREVIEW'):
             layout.operator("sequencer.view_all", text='View all Sequences')
         if (st.view_type == 'PREVIEW') or (st.view_type == 'SEQUENCER_PREVIEW'):
+            layout.operator_context = 'INVOKE_REGION_PREVIEW'
             layout.operator("sequencer.view_all_preview", text='Fit preview in window')
+            layout.operator_context = 'INVOKE_DEFAULT'
         layout.operator("sequencer.view_selected")
 
         layout.prop(st, "draw_frames")
diff --git a/source/blender/blenkernel/BKE_screen.h b/source/blender/blenkernel/BKE_screen.h
index 3a0cbd9d872..ebf4f09ffd4 100644
--- a/source/blender/blenkernel/BKE_screen.h
+++ b/source/blender/blenkernel/BKE_screen.h
@@ -234,6 +234,8 @@ struct ARegion *BKE_area_region_copy(struct SpaceType *st, struct ARegion *ar);
 void	BKE_area_region_free(struct SpaceType *st, struct ARegion *ar);
 void	BKE_screen_area_free(struct ScrArea *sa);
 
+struct ARegion *BKE_area_find_region_type(struct ScrArea *sa, int type);
+
 /* screen */
 void free_screen(struct bScreen *sc); 
 unsigned int BKE_screen_visible_layers(struct bScreen *screen, struct Scene *scene);
diff --git a/source/blender/blenkernel/intern/screen.c b/source/blender/blenkernel/intern/screen.c
index 0dc6bf359f6..b8ac8d99128 100644
--- a/source/blender/blenkernel/intern/screen.c
+++ b/source/blender/blenkernel/intern/screen.c
@@ -336,3 +336,19 @@ unsigned int BKE_screen_visible_layers(bScreen *screen, Scene *scene)
 	return layer;
 }
 
+/* ***************** Utilities ********************** */
+
+/* Find a region of the specified type from the given area */
+ARegion *BKE_area_find_region_type(ScrArea *sa, int type)
+{
+	if (sa) {
+		ARegion *ar;
+		
+		for (ar=sa->regionbase.first; ar; ar= ar->next) {
+			if (ar->regiontype == type)
+				return ar;
+		}
+	}
+	return NULL;
+}
+
diff --git a/source/blender/editors/animation/anim_channels_edit.c b/source/blender/editors/animation/anim_channels_edit.c
index f756c5b3158..a1ad79b0658 100644
--- a/source/blender/editors/animation/anim_channels_edit.c
+++ b/source/blender/editors/animation/anim_channels_edit.c
@@ -1385,7 +1385,7 @@ void ANIM_OT_channels_expand (wmOperatorType *ot)
 	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
 	
 	/* props */
-	RNA_def_boolean(ot->srna, "all", 1, "All", "Expand all channels (not just selected ones)");
+	ot->prop= RNA_def_boolean(ot->srna, "all", 1, "All", "Expand all channels (not just selected ones)");
 }
 
 /* ********************** Collapse Channels Operator *********************** */
@@ -1427,7 +1427,7 @@ void ANIM_OT_channels_collapse (wmOperatorType *ot)
 	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
 	
 	/* props */
-	RNA_def_boolean(ot->srna, "all", 1, "All", "Collapse all channels (not just selected ones)");
+	ot->prop= RNA_def_boolean(ot->srna, "all", 1, "All", "Collapse all channels (not just selected ones)");
 }
 
 /* ********************** Select All Operator *********************** */
@@ -1467,7 +1467,7 @@ void ANIM_OT_channels_select_all_toggle (wmOperatorType *ot)
 	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
 	
 	/* props */
-	RNA_def_boolean(ot->srna, "invert", 0, "Invert", "");
+	ot->prop= RNA_def_boolean(ot->srna, "invert", 0, "Invert", "");
 }
 
 /* ******************** Borderselect Operator *********************** */
diff --git a/source/blender/editors/space_action/action_edit.c b/source/blender/editors/space_action/action_edit.c
index 22f5989f3aa..d91f2788ecd 100644
--- a/source/blender/editors/space_action/action_edit.c
+++ b/source/blender/editors/space_action/action_edit.c
@@ -733,7 +733,7 @@ void ACTION_OT_clean (wmOperatorType *ot)
 	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
 	
 	/* properties */
-	RNA_def_float(ot->srna, "threshold", 0.001f, 0.0f, FLT_MAX, "Threshold", "", 0.0f, 1000.0f);
+	ot->prop= RNA_def_float(ot->srna, "threshold", 0.001f, 0.0f, FLT_MAX, "Threshold", "", 0.0f, 1000.0f);
 }
 
 /* ******************** Sample Keyframes Operator *********************** */
diff --git a/source/blender/editors/space_action/action_select.c b/source/blender/editors/space_action/action_select.c
index 1939057b654..c22533f9d45 100644
--- a/source/blender/editors/space_action/action_select.c
+++ b/source/blender/editors/space_action/action_select.c
@@ -196,7 +196,7 @@ void ACTION_OT_select_all_toggle (wmOperatorType *ot)
 	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
 	
 	/* props */
-	RNA_def_boolean(ot->srna, "invert", 0, "Invert", "");
+	ot->prop= RNA_def_boolean(ot->srna, "invert", 0, "Invert", "");
 }
 
 /* ******************** Border Select Operator **************************** */
@@ -362,7 +362,7 @@ void ACTION_OT_select_border(wmOperatorType *ot)
 	/* rna */
 	WM_operator_properties_gesture_border(ot, FALSE);
 	
-	RNA_def_boolean(ot->srna, "axis_range", 0, "Axis Range", "");
+	ot->prop= RNA_def_boolean(ot->srna, "axis_range", 0, "Axis Range", "");
 }
 
 /* ******************** Column Select Operator **************************** */
@@ -571,7 +571,7 @@ void ACTION_OT_select_column (wmOperatorType *ot)
 	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
 	
 	/* props */
-	RNA_def_enum(ot->srna, "mode", prop_column_select_types, 0, "Mode", "");
+	ot->prop= RNA_def_enum(ot->srna, "mode", prop_column_select_types, 0, "Mode", "");
 }
 
 /* ******************** Select More/Less Operators *********************** */
diff --git a/source/blender/editors/space_graph/graph_edit.c b/source/blender/editors/space_graph/graph_edit.c
index dca2b2f3b98..40e035759d1 100644
--- a/source/blender/editors/space_graph/graph_edit.c
+++ b/source/blender/editors/space_graph/graph_edit.c
@@ -924,7 +924,7 @@ void GRAPH_OT_clean (wmOperatorType *ot)
 	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
 	
 	/* properties */
-	RNA_def_float(ot->srna, "threshold", 0.001f, 0.0f, FLT_MAX, "Threshold", "", 0.0f, 1000.0f);
+	ot->prop= RNA_def_float(ot->srna, "threshold", 0.001f, 0.0f, FLT_MAX, "Threshold", "", 0.0f, 1000.0f);
 }
 
 /* ******************** Bake F-Curve Operator *********************** */
@@ -2013,7 +2013,7 @@ void GRAPH_OT_fmodifier_add (wmOperatorType *ot)
 	ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
 	
 	/* id-props */
-	RNA_def_enum(ot->srna, "type", fmodifier_type_items, 0, "Type", "");
+	ot->prop= RNA_def_enum(ot->srna, "type", fmodifier_type_items, 0, "Type", "");
 	RNA_def_boolean(ot->srna, "only_active", 1, "Only Active", "Only add F-Modifier to active F-Curve.");
 }
 
diff --git a/source/blender/editors/space_graph/graph_select.c b/source/blender/editors/space_graph/graph_select.c
index 872b688bea1..d6ac1480985 100644
--- a/source/blender/editors/space_graph/graph_select.c
+++ b/source/blender/editors/space_graph/graph_select.c
@@ -199,7 +199,7 @@ void GRAPH_OT_select_all_toggle (wmOperatorType *ot)
 	ot->flag= OPTYPE_REGISTER/*|OPTYPE_UNDO*/;
 	
 	/* props */
-	RNA_def_boolean(ot->srna, "invert", 0, "Invert", "");
+	ot->prop= RNA_def_boolean(ot->srna, "invert", 0, "Invert", "");
 }
 
 /* ******************** Border Select Operator **************************** */
@@ -361,7 +361,7 @@ void GRAPH_OT_select_border(wmOperatorType *ot)
 	/* rna */
 	WM_operator_properties_gesture_border(ot, FALSE);
 	
-	RNA_def_boolean(ot->srna, "axis_range", 0, "Axis Range", "");
+	ot->prop= RNA_def_boolean(ot->srna, "axis_range", 0, "Axis Range", "");
 }
 
 /* ******************** Column Select Operator **************************** */
@@ -546,7 +546,7 @@ void GRAPH_OT_select_column (wmOperatorType *ot)
 	ot->flag= OPTYPE_REGISTER/*|OPTYPE_UNDO*/;
 	
 	/* props */
-	RNA_def_enum(ot->srna, "mode", prop_column_select_types, 0, "Mode", "");
+	ot->prop= RNA_def_enum(ot->srna, "mode", prop_column_select_types, 0, "Mode", "");
 }
 
 /* ******************** Select More/Less Operators *********************** */
diff --git a/source/blender/makesrna/intern/rna_ui.c b/source/blender/makesrna/intern/rna_ui.c
index 695eb76cb53..c5738b58614 100644
--- a/source/blender/makesrna/intern/rna_ui.c
+++ b/source/blender/makesrna/intern/rna_ui.c
@@ -522,10 +522,14 @@ static void rna_def_ui_layout(BlenderRNA *brna)
 	static EnumPropertyItem operator_context_items[] = {
 		{WM_OP_INVOKE_DEFAULT, "INVOKE_DEFAULT", 0, "Invoke Default", ""},
 		{WM_OP_INVOKE_REGION_WIN, "INVOKE_REGION_WIN", 0, "Invoke Region Window", ""},
+		{WM_OP_INVOKE_REGION_CHANNELS, "INVOKE_REGION_CHANNELS", 0, "Invoke Region Channels", ""},
+		{WM_OP_INVOKE_REGION_PREVIEW, "INVOKE_REGION_PREVIEW", 0, "Invoke Region Preview", ""},
 		{WM_OP_INVOKE_AREA, "INVOKE_AREA", 0, "Invoke Area", ""},
 		{WM_OP_INVOKE_SCREEN, "INVOKE_SCREEN", 0, "Invoke Screen", ""},
 		{WM_OP_EXEC_DEFAULT, "EXEC_DEFAULT", 0, "Exec Default", ""},
 		{WM_OP_EXEC_REGION_WIN, "EXEC_REGION_WIN", 0, "Exec Region Window", ""},
+		{WM_OP_EXEC_REGION_CHANNELS, "EXEC_REGION_CHANNELS", 0, "Exec Region Channels", ""},
+		{WM_OP_EXEC_REGION_PREVIEW, "EXEC_REGION_PREVIEW", 0, "Exec Region Preview", ""},
 		{WM_OP_EXEC_AREA, "EXEC_AREA", 0, "Exec Area", ""},
 		{WM_OP_EXEC_SCREEN, "EXEC_SCREEN", 0, "Exec Screen", ""},
 		{0, NULL, 0, NULL, NULL}};
diff --git a/source/blender/windowmanager/WM_types.h b/source/blender/windowmanager/WM_types.h
index 3efa2b85174..7a08320cc19 100644
--- a/source/blender/windowmanager/WM_types.h
+++ b/source/blender/windowmanager/WM_types.h
@@ -58,11 +58,15 @@ enum {
 	/* if there's invoke, call it, otherwise exec */
 	WM_OP_INVOKE_DEFAULT,
 	WM_OP_INVOKE_REGION_WIN,
+	WM_OP_INVOKE_REGION_CHANNELS,
+	WM_OP_INVOKE_REGION_PREVIEW,
 	WM_OP_INVOKE_AREA,
 	WM_OP_INVOKE_SCREEN,
 	/* only call exec */
 	WM_OP_EXEC_DEFAULT,
 	WM_OP_EXEC_REGION_WIN,
+	WM_OP_EXEC_REGION_CHANNELS,
+	WM_OP_EXEC_REGION_PREVIEW,
 	WM_OP_EXEC_AREA,
 	WM_OP_EXEC_SCREEN
 };
diff --git a/source/blender/windowmanager/intern/wm_event_system.c b/source/blender/windowmanager/intern/wm_event_system.c
index 7e7dfe7a968..685e671c31a 100644
--- a/source/blender/windowmanager/intern/wm_event_system.c
+++ b/source/blender/windowmanager/intern/wm_event_system.c
@@ -48,6 +48,7 @@
 #include "BKE_main.h"
 #include "BKE_report.h"
 #include "BKE_scene.h"
+#include "BKE_screen.h"
 #include "BKE_utildefines.h"
 
 #include "ED_fileselect.h"
@@ -656,17 +657,37 @@ static int wm_operator_call_internal(bContext *C, wmOperatorType *ot, int contex
 			
 			case WM_OP_EXEC_REGION_WIN:
 			case WM_OP_INVOKE_REGION_WIN: 
+			case WM_OP_EXEC_REGION_CHANNELS:
+			case WM_OP_INVOKE_REGION_CHANNELS:
+			case WM_OP_EXEC_REGION_PREVIEW:
+			case WM_OP_INVOKE_REGION_PREVIEW:
 			{
-				/* forces operator to go to the region window, for header menus
-				   but we stay in the same region if we are already in one */
+				/* forces operator to go to the region window/channels/preview, for header menus
+				 * but we stay in the same region if we are already in one 
+				 */
 				ARegion *ar= CTX_wm_region(C);
 				ScrArea *area= CTX_wm_area(C);
+				int type = RGN_TYPE_WINDOW;
 				
-				if(!(ar && ar->regiontype == RGN_TYPE_WINDOW) && area) {
-					ARegion *ar1= area->regionbase.first;
-					for(; ar1; ar1= ar1->next)
-						if(ar1->regiontype==RGN_TYPE_WINDOW)
-							break;
+				switch (context) {
+					case WM_OP_EXEC_REGION_CHANNELS:
+					case WM_OP_INVOKE_REGION_CHANNELS:
+						type = RGN_TYPE_CHANNELS;
+					
+					case WM_OP_EXEC_REGION_PREVIEW:
+					case WM_OP_INVOKE_REGION_PREVIEW:
+						type = RGN_TYPE_PREVIEW;
+						break;
+					
+					case WM_OP_EXEC_REGION_WIN:
+					case WM_OP_INVOKE_REGION_WIN: 
+					default:
+						type = RGN_TYPE_WINDOW;
+						break;
+				}
+				
+				if(!(ar && ar->regiontype == type) && area) {
+					ARegion *ar1= BKE_area_find_region_type(area, type);
 					if(ar1)
 						CTX_wm_region_set(C, ar1);
 				}
diff --git a/source/blender/windowmanager/intern/wm_keymap.c b/source/blender/windowmanager/intern/wm_keymap.c
index 9b0f6823522..e0d4cf13efd 100644
--- a/source/blender/windowmanager/intern/wm_keymap.c
+++ b/source/blender/windowmanager/intern/wm_keymap.c
@@ -43,6 +43,7 @@
 #include "BKE_idprop.h"
 #include "BKE_library.h"
 #include "BKE_main.h"
+#include "BKE_screen.h"
 #include "BKE_utildefines.h"
 
 #include "RNA_access.h"
@@ -475,16 +476,27 @@ static wmKeyMapItem *wm_keymap_item_find_props(const bContext *C, const char *op
 	if(found==NULL) {
 		if(ELEM(opcontext, WM_OP_EXEC_REGION_WIN, WM_OP_INVOKE_REGION_WIN)) {
 			if(sa) {
-				if(!(ar && ar->regiontype == RGN_TYPE_WINDOW)) {
-					for(ar= sa->regionbase.first; ar; ar= ar->next)
-						if(ar->regiontype==RGN_TYPE_WINDOW)
-							break;
-				}
-
+				if (!(ar && ar->regiontype == RGN_TYPE_WINDOW))
+					ar= BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
+				
 				if(ar)
 					found= wm_keymap_item_find_handlers(C, &ar->handlers, opname, opcontext, properties, hotkey, compare_props, keymap_r);
 			}
 		}
+		else if(ELEM(opcontext, WM_OP_EXEC_REGION_CHANNELS, WM_OP_INVOKE_REGION_CHANNELS)) {
+			if (!(ar && ar->regiontype == RGN_TYPE_CHANNELS))
+					ar= BKE_area_find_region_type(sa, RGN_TYPE_CHANNELS);
+				
+				if(ar)
+					found= wm_keymap_item_find_handlers(C, &ar->handlers, opname, opcontext, properties, hotkey, compare_props, keymap_r);
+		}
+		else if(ELEM(opcontext, WM_OP_EXEC_REGION_PREVIEW, WM_OP_INVOKE_REGION_PREVIEW)) {
+			if (!(ar && ar->regiontype == RGN_TYPE_PREVIEW))
+					ar= BKE_area_find_region_type(sa, RGN_TYPE_PREVIEW);
+				
+				if(ar)
+					found= wm_keymap_item_find_handlers(C, &ar->handlers, opname, opcontext, properties, hotkey, compare_props, keymap_r);
+		}
 		else {
 			if(ar)
 				found= wm_keymap_item_find_handlers(C, &ar->handlers, opname, opcontext, properties, hotkey, compare_props, keymap_r);