4 files changed, 27 insertions, 16 deletions
diff --git a/source/blender/editors/include/ED_anim_api.h b/source/blender/editors/include/ED_anim_api.h
index eacf769270b..1095c770703 100644
--- a/source/blender/editors/include/ED_anim_api.h
+++ b/source/blender/editors/include/ED_anim_api.h
@@ -74,6 +74,7 @@ typedef struct bAnimContext {
 	short mode;             /* editor->mode */
 	short spacetype;        /* sa->spacetype */
 	short regiontype;       /* active region -> type (channels or main) */
+	
 	struct ScrArea *sa;     /* editor host */
 	struct SpaceLink *sl;   /* editor data */
 	struct ARegion *ar;     /* region within editor */
@@ -85,6 +86,8 @@ typedef struct bAnimContext {
 	ListBase *markers;      /* active set of markers */
 	
 	struct ReportList *reports; /* pointer to current reports list */
+	
+	float yscale_fac;       /* scale factor for height of channels (i.e. based on the size of keyframes) */
 } bAnimContext;
 
 /* Main Data container types */
@@ -329,11 +332,11 @@ typedef enum eAnimFilter_Flags {
 /* -------------- Channel Defines -------------- */
 
 /* channel heights */
-#define ACHANNEL_FIRST          (-0.8f * U.widget_unit)
-#define ACHANNEL_HEIGHT         (0.8f * U.widget_unit)
-#define ACHANNEL_HEIGHT_HALF    (0.4f * U.widget_unit)
-#define ACHANNEL_SKIP           (0.1f * U.widget_unit)
-#define ACHANNEL_STEP           (ACHANNEL_HEIGHT + ACHANNEL_SKIP)
+#define ACHANNEL_FIRST(ac)          (-0.8f * (ac)->yscale_fac * U.widget_unit)
+#define ACHANNEL_HEIGHT(ac)         (0.8f * (ac)->yscale_fac * U.widget_unit)
+#define ACHANNEL_HEIGHT_HALF(ac)    (0.4f * (ac)->yscale_fac * U.widget_unit)
+#define ACHANNEL_SKIP               (0.1f * U.widget_unit)
+#define ACHANNEL_STEP(ac)           (ACHANNEL_HEIGHT(ac) + ACHANNEL_SKIP)
 
 /* channel widths */
 #define ACHANNEL_NAMEWIDTH      (10 * U.widget_unit)
@@ -345,7 +348,6 @@ typedef enum eAnimFilter_Flags {
 /* -------------- NLA Channel Defines -------------- */
 
 /* NLA channel heights */
-// XXX: NLACHANNEL_FIRST isn't used?
 #define NLACHANNEL_FIRST                (-0.8f * U.widget_unit)
 #define NLACHANNEL_HEIGHT(snla)         ((snla && (snla->flag & SNLA_NOSTRIPCURVES)) ? (0.8f * U.widget_unit) : (1.2f * U.widget_unit))
 #define NLACHANNEL_HEIGHT_HALF(snla)    ((snla && (snla->flag & SNLA_NOSTRIPCURVES)) ? (0.4f * U.widget_unit) : (0.6f * U.widget_unit))
diff --git a/source/blender/editors/include/ED_keyframes_draw.h b/source/blender/editors/include/ED_keyframes_draw.h
index 7d163da0db0..b1f3f012e09 100644
--- a/source/blender/editors/include/ED_keyframes_draw.h
+++ b/source/blender/editors/include/ED_keyframes_draw.h
@@ -80,7 +80,7 @@ typedef struct ActKeyBlock {
 	
 	/* key-block info */
 	char sel;
-	short handle_type;
+	short flag;
 	float val;
 	float start, end;
 	
@@ -89,6 +89,12 @@ typedef struct ActKeyBlock {
 	short totcurve; 
 } ActKeyBlock;
 
+/* ActKeyBlock - Flag */
+typedef enum eActKeyBlock_Flag {
+	/* Key block represents a moving hold */
+	ACTKEYBLOCK_FLAG_MOVING_HOLD     = (1 << 0),
+} eActKeyBlock_Flag;
+
 /* *********************** Keyframe Drawing ****************************** */
 
 /* options for keyframe shape drawing */
@@ -108,23 +114,23 @@ void draw_keyframe_shape(float x, float y, float xscale, float hsize, short sel,
 
 /* Channel Drawing ------------------ */
 /* F-Curve */
-void draw_fcurve_channel(struct View2D *v2d, struct AnimData *adt, struct FCurve *fcu, float ypos);
+void draw_fcurve_channel(struct View2D *v2d, struct AnimData *adt, struct FCurve *fcu, float ypos, float yscale_fac);
 /* Action Group Summary */
-void draw_agroup_channel(struct View2D *v2d, struct AnimData *adt, struct bActionGroup *agrp, float ypos);
+void draw_agroup_channel(struct View2D *v2d, struct AnimData *adt, struct bActionGroup *agrp, float ypos, float yscale_fac);
 /* Action Summary */
-void draw_action_channel(struct View2D *v2d, struct AnimData *adt, struct bAction *act, float ypos);
+void draw_action_channel(struct View2D *v2d, struct AnimData *adt, struct bAction *act, float ypos, float yscale_fac);
 /* Object Summary */
-void draw_object_channel(struct View2D *v2d, struct bDopeSheet *ads, struct Object *ob, float ypos);
+void draw_object_channel(struct View2D *v2d, struct bDopeSheet *ads, struct Object *ob, float ypos, float yscale_fac);
 /* Scene Summary */
-void draw_scene_channel(struct View2D *v2d, struct bDopeSheet *ads, struct Scene *sce, float ypos);
+void draw_scene_channel(struct View2D *v2d, struct bDopeSheet *ads, struct Scene *sce, float ypos, float yscale_fac);
 /* DopeSheet Summary */
-void draw_summary_channel(struct View2D *v2d, struct bAnimContext *ac, float ypos);
+void draw_summary_channel(struct View2D *v2d, struct bAnimContext *ac, float ypos, float yscale_fac);
 /* Grease Pencil datablock summary */
-void draw_gpencil_channel(struct View2D *v2d, struct bDopeSheet *ads, struct bGPdata *gpd, float ypos);
+void draw_gpencil_channel(struct View2D *v2d, struct bDopeSheet *ads, struct bGPdata *gpd, float ypos, float yscale_fac);
 /* Grease Pencil Layer */
-void draw_gpl_channel(struct View2D *v2d, struct bDopeSheet *ads, struct bGPDlayer *gpl, float ypos);
+void draw_gpl_channel(struct View2D *v2d, struct bDopeSheet *ads, struct bGPDlayer *gpl, float ypos, float yscale_fac);
 /* Mask Layer */
-void draw_masklay_channel(struct View2D *v2d, struct bDopeSheet *ads, struct MaskLayer *masklay, float ypos);
+void draw_masklay_channel(struct View2D *v2d, struct bDopeSheet *ads, struct MaskLayer *masklay, float ypos, float yscale_fac);
 
 /* Keydata Generation --------------- */
 /* F-Curve */
diff --git a/source/blender/editors/include/UI_icons.h b/source/blender/editors/include/UI_icons.h
index 2c80701bf69..d85b60dcc43 100644
--- a/source/blender/editors/include/UI_icons.h
+++ b/source/blender/editors/include/UI_icons.h
@@ -1020,6 +1020,7 @@ DEF_VICO(KEYTYPE_KEYFRAME_VEC)
 DEF_VICO(KEYTYPE_BREAKDOWN_VEC)
 DEF_VICO(KEYTYPE_EXTREME_VEC)
 DEF_VICO(KEYTYPE_JITTER_VEC)
+DEF_VICO(KEYTYPE_MOVING_HOLD_VEC)
 
 DEF_VICO(COLORSET_01_VEC)
 DEF_VICO(COLORSET_02_VEC)
diff --git a/source/blender/editors/include/UI_resources.h b/source/blender/editors/include/UI_resources.h
index dc843952229..a81221ed54b 100644
--- a/source/blender/editors/include/UI_resources.h
+++ b/source/blender/editors/include/UI_resources.h
@@ -347,6 +347,8 @@ void    UI_GetThemeColorShade3ubv(int colorid, int offset, unsigned char col[3])
 
 // get four color values, scaled to 0.0-1.0 range
 void    UI_GetThemeColor4fv(int colorid, float col[4]);
+// get four color values, range 0.0-1.0, complete with shading offset for the RGB components
+void    UI_GetThemeColorShade4fv(int colorid, int offset, float col[4]);
 
 // get the 3 or 4 byte values
 void UI_GetThemeColor3ubv(int colorid, unsigned char col[3]);