From 81c302bbff48b391b7f62ef7db233e9c7bd2adb2 Mon Sep 17 00:00:00 2001
From: Joshua Leung <aligorith@gmail.com>
Date: Sun, 8 May 2016 14:38:30 +1200
Subject: Action Editor: Initial support for a Properties Region

This commit adds some of the initial support for a properties region in the
Action Editor. There are currently no panels to display, as there is still
a lot of work required to port over the required internal architecture to
support the panels seen in the Graph Editor.
---
 source/blender/editors/space_action/space_action.c | 99 ++++++++++++++++++++++
 1 file changed, 99 insertions(+)

(limited to 'source/blender/editors/space_action/space_action.c')

diff --git a/source/blender/editors/space_action/space_action.c b/source/blender/editors/space_action/space_action.c
index 53c5a008af8..60240109432 100644
--- a/source/blender/editors/space_action/space_action.c
+++ b/source/blender/editors/space_action/space_action.c
@@ -59,6 +59,32 @@
 
 #include "action_intern.h"  /* own include */
 
+/* ******************** manage regions ********************* */
+
+ARegion *action_has_buttons_region(ScrArea *sa)
+{
+	ARegion *ar, *arnew;
+	
+	ar = BKE_area_find_region_type(sa, RGN_TYPE_UI);
+	if (ar) return ar;
+	
+	/* add subdiv level; after main */
+	ar = BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
+	
+	/* is error! */
+	if (ar == NULL) return NULL;
+	
+	arnew = MEM_callocN(sizeof(ARegion), "buttons for action");
+	
+	BLI_insertlinkafter(&sa->regionbase, ar, arnew);
+	arnew->regiontype = RGN_TYPE_UI;
+	arnew->alignment = RGN_ALIGN_RIGHT;
+	
+	arnew->flag = RGN_FLAG_HIDDEN;
+	
+	return arnew;
+}
+
 /* ******************** default callbacks for action space ***************** */
 
 static SpaceLink *action_new(const bContext *C)
@@ -93,6 +119,14 @@ static SpaceLink *action_new(const bContext *C)
 	ar->v2d.scroll = V2D_SCROLL_BOTTOM;
 	ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
 	
+	/* ui buttons */
+	ar = MEM_callocN(sizeof(ARegion), "buttons region for action");
+	
+	BLI_addtail(&saction->regionbase, ar);
+	ar->regiontype = RGN_TYPE_UI;
+	ar->alignment = RGN_ALIGN_RIGHT;
+	ar->flag = RGN_FLAG_HIDDEN;
+	
 	/* main region */
 	ar = MEM_callocN(sizeof(ARegion), "main region for action");
 	
@@ -159,6 +193,8 @@ static void action_main_region_init(wmWindowManager *wm, ARegion *ar)
 	/* own keymap */
 	keymap = WM_keymap_find(wm->defaultconf, "Dopesheet", SPACE_ACTION, 0);
 	WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
+	keymap = WM_keymap_find(wm->defaultconf, "Dopesheet Generic", SPACE_ACTION, 0);
+	WM_event_add_keymap_handler(&ar->handlers, keymap);
 }
 
 static void action_main_region_draw(const bContext *C, ARegion *ar)
@@ -231,6 +267,9 @@ static void action_channel_region_init(wmWindowManager *wm, ARegion *ar)
 	/* own keymap */
 	keymap = WM_keymap_find(wm->defaultconf, "Animation Channels", 0, 0);
 	WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
+	
+	keymap = WM_keymap_find(wm->defaultconf, "Dopesheet Generic", SPACE_ACTION, 0);
+	WM_event_add_keymap_handler(&ar->handlers, keymap);
 }
 
 static void action_channel_region_draw(const bContext *C, ARegion *ar)
@@ -498,6 +537,54 @@ static void action_header_region_listener(bScreen *UNUSED(sc), ScrArea *UNUSED(s
 
 }
 
+/* add handlers, stuff you only do once or on area/region changes */
+static void action_buttons_area_init(wmWindowManager *wm, ARegion *ar)
+{
+	wmKeyMap *keymap;
+	
+	ED_region_panels_init(wm, ar);
+	
+	keymap = WM_keymap_find(wm->defaultconf, "Dopesheet Generic", SPACE_ACTION, 0);
+	WM_event_add_keymap_handler(&ar->handlers, keymap);
+}
+
+static void action_buttons_area_draw(const bContext *C, ARegion *ar)
+{
+	ED_region_panels(C, ar, NULL, -1, true);
+}
+
+static void action_region_listener(bScreen *UNUSED(sc), ScrArea *UNUSED(sa), ARegion *ar, wmNotifier *wmn)
+{
+	/* context changes */
+	switch (wmn->category) {
+		case NC_ANIMATION:
+			ED_region_tag_redraw(ar);
+			break;
+		case NC_SCENE:
+			switch (wmn->data) {
+				case ND_OB_ACTIVE:
+				case ND_FRAME:
+				case ND_MARKERS:
+					ED_region_tag_redraw(ar);
+					break;
+			}
+			break;
+		case NC_OBJECT:
+			switch (wmn->data) {
+				case ND_BONE_ACTIVE:
+				case ND_BONE_SELECT:
+				case ND_KEYS:
+					ED_region_tag_redraw(ar);
+					break;
+			}
+			break;
+		default:
+			if (wmn->data == ND_KEYS)
+				ED_region_tag_redraw(ar);
+			break;
+	}
+}
+
 static void action_refresh(const bContext *C, ScrArea *sa)
 {
 	SpaceAction *saction = (SpaceAction *)sa->spacedata.first;
@@ -579,6 +666,18 @@ void ED_spacetype_action(void)
 	
 	BLI_addhead(&st->regiontypes, art);
 	
+	/* regions: UI buttons */
+	art = MEM_callocN(sizeof(ARegionType), "spacetype action region");
+	art->regionid = RGN_TYPE_UI;
+	art->prefsizex = 200;
+	art->keymapflag = ED_KEYMAP_UI;
+	art->listener = action_region_listener;
+	art->init = action_buttons_area_init;
+	art->draw = action_buttons_area_draw;
+	
+	BLI_addhead(&st->regiontypes, art);
+	
+	action_buttons_register(art);
 	
 	BKE_spacetype_register(st);
 }
-- 
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