NLA SoC: Start of UI Drawing Code for NLA Editor

In this commit, I've only setup the drawing code for the channels list. Only the drawing of the 'active action' dummy-line has been tested so far. 

1 files changed, 162 insertions, 22 deletions

diff --git a/source/blender/editors/space_nla/space_nla.c b/source/blender/editors/space_nla/space_nla.c
index cdaabe9e9de..39888162a95 100644
--- a/source/blender/editors/space_nla/space_nla.c
+++ b/source/blender/editors/space_nla/space_nla.c
@@ -42,10 +42,16 @@
 #include "BLI_arithb.h"
 #include "BLI_rand.h"
 
+#include "BKE_animsys.h"
+#include "BKE_action.h"
+#include "BKE_nla.h"
 #include "BKE_colortools.h"
 #include "BKE_context.h"
 #include "BKE_screen.h"
+#include "BKE_utildefines.h"
 
+#include "ED_anim_api.h"
+#include "ED_markers.h"
 #include "ED_space_api.h"
 #include "ED_screen.h"
 
@@ -58,8 +64,6 @@
 #include "UI_resources.h"
 #include "UI_view2d.h"
 
-#include "ED_markers.h"
-
 #include "nla_intern.h"	// own include
 
 /* ******************** default callbacks for nla space ***************** */
@@ -73,7 +77,7 @@ static SpaceLink *nla_new(const bContext *C)
 	snla->spacetype= SPACE_NLA;
 	
 	/* allocate DopeSheet data for NLA Editor */
-	snla->ads= MEM_callocN(sizeof(bDopeSheet), "NLAEdit DopeSheet");
+	snla->ads= MEM_callocN(sizeof(bDopeSheet), "NlaEdit DopeSheet");
 	
 	/* header */
 	ar= MEM_callocN(sizeof(ARegion), "header for nla");
@@ -82,13 +86,15 @@ static SpaceLink *nla_new(const bContext *C)
 	ar->regiontype= RGN_TYPE_HEADER;
 	ar->alignment= RGN_ALIGN_BOTTOM;
 	
-	/* channel list region XXX */
-	ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
+	/* channel list region */
+	ar= MEM_callocN(sizeof(ARegion), "channel list for nla");
 	BLI_addtail(&snla->regionbase, ar);
 	ar->regiontype= RGN_TYPE_CHANNELS;
 	ar->alignment= RGN_ALIGN_LEFT;
 	
-	ar->v2d.scroll = (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
+		/* only need to set these settings since this will use the 'stack' configuration */
+	ar->v2d.scroll = V2D_SCROLL_BOTTOM;
+	ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
 	
 	/* main area */
 	ar= MEM_callocN(sizeof(ARegion), "main area for nla");
@@ -115,10 +121,11 @@ static SpaceLink *nla_new(const bContext *C)
 	ar->v2d.minzoom= 0.1f;
 	ar->v2d.maxzoom= 50.0f;
 	
-	ar->v2d.scroll |= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
+	ar->v2d.scroll = (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
 	ar->v2d.scroll |= (V2D_SCROLL_RIGHT);
 	ar->v2d.keepzoom= V2D_LOCKZOOM_Y;
-		
+	ar->v2d.align= V2D_ALIGN_NO_NEG_Y;
+	ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
 	
 	return (SpaceLink *)snla;
 }
@@ -138,7 +145,13 @@ static void nla_free(SpaceLink *sl)
 /* spacetype; init callback */
 static void nla_init(struct wmWindowManager *wm, ScrArea *sa)
 {
+	SpaceNla *snla= (SpaceNla *)sa->spacedata.first;
+	
+	/* init dopesheet data if non-existant (i.e. for old files) */
+	if (snla->ads == NULL)
+		snla->ads= MEM_callocN(sizeof(bDopeSheet), "NlaEdit DopeSheet");
 
+	ED_area_tag_refresh(sa);
 }
 
 static SpaceLink *nla_duplicate(SpaceLink *sl)
@@ -146,15 +159,31 @@ static SpaceLink *nla_duplicate(SpaceLink *sl)
 	SpaceNla *snlan= MEM_dupallocN(sl);
 	
 	/* clear or remove stuff from old */
+	snlan->ads= MEM_dupallocN(snlan->ads);
 	
 	return (SpaceLink *)snlan;
 }
 
+/* add handlers, stuff you only do once or on area/region changes */
+static void nla_channel_area_init(wmWindowManager *wm, ARegion *ar)
+{
+	//ListBase *keymap;
+	
+	UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_STACK, ar->winx, ar->winy);
+	
+	/* own keymap */
+	// TODO: cannot use generic copy, need special NLA version
+	//keymap= WM_keymap_listbase(wm, "Animation_Channels", 0, 0);	/* XXX weak? */
+	//WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
+}
+
+/* draw entirely, view changes should be handled here */
 static void nla_channel_area_draw(const bContext *C, ARegion *ar)
 {
-	/* draw entirely, view changes should be handled here */
-	// SpaceNla *snla= (SpaceNla*)CTX_wm_space_data(C);
-	// View2D *v2d= &ar->v2d;
+	SpaceNla *snla= (SpaceNla*)CTX_wm_space_data(C);
+	bAnimContext ac;
+	View2D *v2d= &ar->v2d;
+	View2DScrollers *scrollers;
 	float col[3];
 	
 	/* clear and setup matrix */
@@ -162,15 +191,20 @@ static void nla_channel_area_draw(const bContext *C, ARegion *ar)
 	glClearColor(col[0], col[1], col[2], 0.0);
 	glClear(GL_COLOR_BUFFER_BIT);
 	
-	// UI_view2d_view_ortho(C, v2d);
-	
-	/* data... */
+	UI_view2d_view_ortho(C, v2d);
 	
+	/* data */
+	if (ANIM_animdata_get_context(C, &ac)) {
+		draw_nla_channel_list(&ac, snla, ar);
+	}
 	
 	/* reset view matrix */
-	//UI_view2d_view_restore(C);
+	UI_view2d_view_restore(C);
 	
-	/* scrollers? */
+	/* scrollers */
+	scrollers= UI_view2d_scrollers_calc(C, v2d, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
+	UI_view2d_scrollers_draw(C, v2d, scrollers);
+	UI_view2d_scrollers_free(scrollers);
 }
 
 
@@ -189,9 +223,13 @@ static void nla_main_area_init(wmWindowManager *wm, ARegion *ar)
 static void nla_main_area_draw(const bContext *C, ARegion *ar)
 {
 	/* draw entirely, view changes should be handled here */
-	// SpaceNla *snla= (SpaceNla*)CTX_wm_space_data(C);
+	SpaceNla *snla= (SpaceNla*)CTX_wm_space_data(C);
+	bAnimContext ac;
 	View2D *v2d= &ar->v2d;
+	View2DGrid *grid;
+	View2DScrollers *scrollers;
 	float col[3];
+	short unit=0, flag=0;
 	
 	/* clear and setup matrix */
 	UI_GetThemeColor3fv(TH_BACK, col);
@@ -199,14 +237,38 @@ static void nla_main_area_draw(const bContext *C, ARegion *ar)
 	glClear(GL_COLOR_BUFFER_BIT);
 	
 	UI_view2d_view_ortho(C, v2d);
-		
-	/* data... */
 	
+	/* time grid */
+	unit= (snla->flag & SNLA_DRAWTIME)? V2D_UNIT_SECONDS : V2D_UNIT_FRAMES;
+	grid= UI_view2d_grid_calc(C, v2d, unit, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY, ar->winx, ar->winy);
+	UI_view2d_grid_draw(C, v2d, grid, V2D_GRIDLINES_ALL);
+	UI_view2d_grid_free(grid);
+	
+	/* data */
+	if (ANIM_animdata_get_context(C, &ac)) {
+		//draw_channel_strips(&ac, saction, ar);
+	}
+	
+	/* current frame */
+	if (snla->flag & SNLA_DRAWTIME) 	flag |= DRAWCFRA_UNIT_SECONDS;
+	if ((snla->flag & SNLA_NODRAWCFRANUM)==0)  flag |= DRAWCFRA_SHOW_NUMBOX;
+	ANIM_draw_cfra(C, v2d, flag);
+	
+	/* markers */
+	UI_view2d_view_orthoSpecial(C, v2d, 1);
+	draw_markers_time(C, 0);
+	
+	/* preview range */
+	UI_view2d_view_ortho(C, v2d);
+	ANIM_draw_previewrange(C, v2d);
 	
 	/* reset view matrix */
 	UI_view2d_view_restore(C);
 	
-	/* scrollers? */
+	/* scrollers */
+	scrollers= UI_view2d_scrollers_calc(C, v2d, unit, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
+	UI_view2d_scrollers_draw(C, v2d, scrollers);
+	UI_view2d_scrollers_free(scrollers);
 }
 
 void nla_operatortypes(void)
@@ -250,6 +312,82 @@ static void nla_header_area_draw(const bContext *C, ARegion *ar)
 static void nla_main_area_listener(ARegion *ar, wmNotifier *wmn)
 {
 	/* context changes */
+	switch(wmn->category) {
+		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:
+				case ND_TRANSFORM:
+					ED_region_tag_redraw(ar);
+					break;
+			}
+			break;
+		default:
+			if(wmn->data==ND_KEYS)
+				ED_region_tag_redraw(ar);
+	}
+}
+
+static void nla_channel_area_listener(ARegion *ar, wmNotifier *wmn)
+{
+	/* context changes */
+	switch(wmn->category) {
+		case NC_SCENE:
+			switch(wmn->data) {
+				case ND_OB_ACTIVE:
+					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);
+	}
+}
+
+/* editor level listener */
+static void nla_listener(ScrArea *sa, wmNotifier *wmn)
+{
+	/* context changes */
+	switch (wmn->category) {
+		case NC_SCENE:
+			/*switch (wmn->data) {
+				case ND_OB_ACTIVE:
+				case ND_OB_SELECT:
+					ED_area_tag_refresh(sa);
+					break;
+			}*/
+			ED_area_tag_refresh(sa);
+			break;
+		case NC_OBJECT:
+			/*switch (wmn->data) {
+				case ND_BONE_SELECT:
+				case ND_BONE_ACTIVE:
+					ED_area_tag_refresh(sa);
+					break;
+			}*/
+			ED_area_tag_refresh(sa);
+			break;
+	}
 }
 
 /* only called once, from space/spacetypes.c */
@@ -265,6 +403,7 @@ void ED_spacetype_nla(void)
 	st->init= nla_init;
 	st->duplicate= nla_duplicate;
 	st->operatortypes= nla_operatortypes;
+	st->listener= nla_listener;
 	st->keymap= nla_keymap;
 	
 	/* regions: main window */
@@ -273,7 +412,7 @@ void ED_spacetype_nla(void)
 	art->init= nla_main_area_init;
 	art->draw= nla_main_area_draw;
 	art->listener= nla_main_area_listener;
-	art->keymapflag= ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES;
+	art->keymapflag= ED_KEYMAP_VIEW2D/*|ED_KEYMAP_MARKERS*/|ED_KEYMAP_ANIMATION|ED_KEYMAP_FRAMES;
 
 	BLI_addhead(&st->regiontypes, art);
 	
@@ -294,8 +433,9 @@ void ED_spacetype_nla(void)
 	art->minsizex= 200;
 	art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D;
 	
-	//art->init= nla_channel_area_init;
+	art->init= nla_channel_area_init;
 	art->draw= nla_channel_area_draw;
+	art->listener= nla_channel_area_listener;
 	
 	BLI_addhead(&st->regiontypes, art);