Code cleanup:

* Remove some non used *_button_register functions, panels are done in python.
* Remove do_node_region_buttons, was not used anymore.

Fix:
* Only show Grease Pencil panel in the Node editor, when there is a valid nodetree. 

7 files changed, 1 insertions, 124 deletions

diff --git a/source/blender/editors/space_logic/logic_buttons.c b/source/blender/editors/space_logic/logic_buttons.c
index b98e6995f46..dcead6c01db 100644
--- a/source/blender/editors/space_logic/logic_buttons.c
+++ b/source/blender/editors/space_logic/logic_buttons.c
@@ -50,59 +50,6 @@
 #include "interface_intern.h"
 #include "logic_intern.h"
 
-#if 0
-static void do_logic_panel_events(bContext *C, void *arg, int event)
-{
-	
-	switch(event) {
-		
-	}
-}
-
-
-/* *** */
-
-static void logic_panel_properties(const bContext *C, Panel *pa)
-{
-//	SpaceLogic *slogic= CTX_wm_space_logic(C);
-	uiBlock *block;
-	
-	block= uiLayoutAbsoluteBlock(pa->layout);
-	uiBlockSetHandleFunc(block, do_logic_panel_events, NULL);
-
-}	
-
-static void logic_panel_view_properties(const bContext *C, Panel *pa)
-{
-	//	SpaceLogic *slogic= CTX_wm_space_logic(C);
-	uiBlock *block;
-	
-	block= uiLayoutAbsoluteBlock(pa->layout);
-	uiBlockSetHandleFunc(block, do_logic_panel_events, NULL);
-	
-}	
-#endif
-
-void logic_buttons_register(ARegionType *UNUSED(art))
-{
-#if 0
-	PanelType *pt;
-
-	pt= MEM_callocN(sizeof(PanelType), "spacetype logic panel properties");
-	strcpy(pt->idname, "LOGIC_PT_properties");
-	strcpy(pt->label, "Logic Properties");
-	pt->draw= logic_panel_properties;
-	BLI_addtail(&art->paneltypes, pt);
-
-	pt= MEM_callocN(sizeof(PanelType), "spacetype logic view properties");
-	strcpy(pt->idname, "LOGIC_PT_view_properties");
-	strcpy(pt->label, "View Properties");
-	pt->draw= logic_panel_view_properties;
-	BLI_addtail(&art->paneltypes, pt);
-#endif
-
-}
-
 static int logic_properties(bContext *C, wmOperator *UNUSED(op))
 {
 	ScrArea *sa= CTX_wm_area(C);
diff --git a/source/blender/editors/space_logic/logic_intern.h b/source/blender/editors/space_logic/logic_intern.h
index 3e0b13e9d6c..38b122f64b6 100644
--- a/source/blender/editors/space_logic/logic_intern.h
+++ b/source/blender/editors/space_logic/logic_intern.h
@@ -48,7 +48,6 @@ struct ARegion *logic_has_buttons_region(struct ScrArea *sa);
 /* logic_ops.c */
 
 /* logic_buttons.c */
-void logic_buttons_register(struct ARegionType *art);
 void LOGIC_OT_properties(struct wmOperatorType *ot);
 void LOGIC_OT_links_cut(struct wmOperatorType *ot);
 
diff --git a/source/blender/editors/space_logic/space_logic.c b/source/blender/editors/space_logic/space_logic.c
index 1b6d72cbc3e..82175f83d39 100644
--- a/source/blender/editors/space_logic/space_logic.c
+++ b/source/blender/editors/space_logic/space_logic.c
@@ -337,8 +337,6 @@ void ED_spacetype_logic(void)
 	art->draw= logic_buttons_area_draw;
 	BLI_addhead(&st->regiontypes, art);
 
-	logic_buttons_register(art);
-
 	/* regions: header */
 	art= MEM_callocN(sizeof(ARegionType), "spacetype logic region");
 	art->regionid = RGN_TYPE_HEADER;
diff --git a/source/blender/editors/space_node/node_buttons.c b/source/blender/editors/space_node/node_buttons.c
index dac185bf46e..49151cc5dcd 100644
--- a/source/blender/editors/space_node/node_buttons.c
+++ b/source/blender/editors/space_node/node_buttons.c
@@ -64,19 +64,6 @@
 
 
 /* ******************* node space & buttons ************** */
-#define B_NOP		1
-#define B_REDR		2
-
-static void do_node_region_buttons(bContext *C, void *UNUSED(arg), int event)
-{
-	//SpaceNode *snode= CTX_wm_space_node(C);
-	
-	switch(event) {
-	case B_REDR:
-		ED_area_tag_redraw(CTX_wm_area(C));
-		return; /* no notifier! */
-	}
-}
 
 /* poll callback for active node */
 static int active_node_poll(const bContext *C, PanelType *UNUSED(pt))
@@ -94,7 +81,6 @@ static void active_node_panel(const bContext *C, Panel *pa)
 	bNodeTree *ntree= (snode) ? snode->edittree : NULL;
 	bNode *node = (ntree) ? nodeGetActive(ntree) : NULL; // xxx... for editing group nodes
 	uiLayout *layout= pa->layout;
-	uiBlock *block;
 	PointerRNA ptr;
 	
 	/* verify pointers, and create RNA pointer for the node */
@@ -105,11 +91,6 @@ static void active_node_panel(const bContext *C, Panel *pa)
 	//else
 		RNA_pointer_create(&ntree->id, &RNA_Node, node, &ptr); 
 	
-	/* set update callback */
-	// xxx is this really needed
-	block= uiLayoutGetBlock(layout);
-	uiBlockSetHandleFunc(block, do_node_region_buttons, NULL);
-	
 	/* draw this node's name, etc. */
 	uiItemR(layout, &ptr, "label", 0, NULL, ICON_NODE);
 	uiItemS(layout);
@@ -179,6 +160,7 @@ void node_buttons_register(ARegionType *art)
 	strcpy(pt->idname, "NODE_PT_gpencil");
 	strcpy(pt->label, "Grease Pencil");
 	pt->draw= gpencil_panel_standard;
+	pt->poll= active_node_poll;
 	BLI_addtail(&art->paneltypes, pt);
 }
 
diff --git a/source/blender/editors/space_sequencer/sequencer_buttons.c b/source/blender/editors/space_sequencer/sequencer_buttons.c
index 81712ec10c4..aeedafa9992 100644
--- a/source/blender/editors/space_sequencer/sequencer_buttons.c
+++ b/source/blender/editors/space_sequencer/sequencer_buttons.c
@@ -48,50 +48,6 @@
 
 #include "sequencer_intern.h"
 
-
-static void do_sequencer_panel_events(bContext *UNUSED(C), void *UNUSED(arg), int UNUSED(event))
-{
-
-}
-
-
-static void sequencer_panel_view_properties(const bContext *UNUSED(C), Panel *pa)
-{
-	uiBlock *block;
-
-	block = uiLayoutAbsoluteBlock(pa->layout);
-	uiBlockSetHandleFunc(block, do_sequencer_panel_events, NULL);
-	
-}
-
-
-static void sequencer_panel_properties(const bContext *UNUSED(C), Panel *pa)
-{
-	uiBlock *block;
-	
-	block = uiLayoutAbsoluteBlock(pa->layout);
-	uiBlockSetHandleFunc(block, do_sequencer_panel_events, NULL);
-
-}	
-
-void sequencer_buttons_register(ARegionType *art)
-{
-	PanelType *pt;
-
-	pt = MEM_callocN(sizeof(PanelType), "spacetype sequencer strip properties");
-	strcpy(pt->idname, "SEQUENCER_PT_properties");
-	strcpy(pt->label, "Strip Properties");
-	pt->draw = sequencer_panel_properties;
-	BLI_addtail(&art->paneltypes, pt);
-
-	pt = MEM_callocN(sizeof(PanelType), "spacetype sequencer view properties");
-	strcpy(pt->idname, "SEQUENCER_PT_view_properties");
-	strcpy(pt->label, "View Properties");
-	pt->draw = sequencer_panel_view_properties;
-	BLI_addtail(&art->paneltypes, pt);
-
-}
-
 /* **************** operator to open/close properties view ************* */
 
 static int sequencer_properties(bContext *C, wmOperator *UNUSED(op))
diff --git a/source/blender/editors/space_sequencer/sequencer_intern.h b/source/blender/editors/space_sequencer/sequencer_intern.h
index 7acaaf76c62..c40a809e6af 100644
--- a/source/blender/editors/space_sequencer/sequencer_intern.h
+++ b/source/blender/editors/space_sequencer/sequencer_intern.h
@@ -176,7 +176,6 @@ struct ImBuf *make_histogram_view_from_ibuf(struct ImBuf * ibuf);
 /* sequencer_buttons.c */
 
 void SEQUENCER_OT_properties(struct wmOperatorType *ot);
-void sequencer_buttons_register(struct ARegionType *art);
 
 #endif /* __SEQUENCER_INTERN_H__ */
 
diff --git a/source/blender/editors/space_sequencer/space_sequencer.c b/source/blender/editors/space_sequencer/space_sequencer.c
index 82965426b6d..ec340dd323e 100644
--- a/source/blender/editors/space_sequencer/space_sequencer.c
+++ b/source/blender/editors/space_sequencer/space_sequencer.c
@@ -570,10 +570,6 @@ void ED_spacetype_sequencer(void)
 	art->init = sequencer_buttons_area_init;
 	art->draw = sequencer_buttons_area_draw;
 	BLI_addhead(&st->regiontypes, art);
-	
-	/* Keep as python only for now
-	 * sequencer_buttons_register(art);
-	 */
 
 	/* regions: header */
 	art = MEM_callocN(sizeof(ARegionType), "spacetype sequencer region");