View All operator for motion tracking dopesheet.

3 files changed, 61 insertions, 5 deletions

diff --git a/source/blender/editors/space_clip/clip_dopesheet_ops.c b/source/blender/editors/space_clip/clip_dopesheet_ops.c
index 09f6271b6ef..d914cd2e04f 100644
--- a/source/blender/editors/space_clip/clip_dopesheet_ops.c
+++ b/source/blender/editors/space_clip/clip_dopesheet_ops.c
@@ -59,12 +59,11 @@
 
 #include "clip_intern.h"	// own include
 
-#if 0
-static int ED_space_clip_dopesheet_poll(bContext *C)
+static int space_clip_dopesheet_poll(bContext *C)
 {
-	SpaceClip *sc = CTX_wm_space_clip(C);
+	if (ED_space_clip_tracking_poll(C)) {
+		SpaceClip *sc = CTX_wm_space_clip(C);
 
-	if (sc && sc->clip) {
 		if (sc->view == SC_VIEW_DOPESHEET) {
 			ARegion *ar = CTX_wm_region(C);
 
@@ -74,7 +73,6 @@ static int ED_space_clip_dopesheet_poll(bContext *C)
 
 	return FALSE;
 }
-#endif
 
 /********************** select channel operator *********************/
 
@@ -161,3 +159,54 @@ void CLIP_OT_dopesheet_select_channel(wmOperatorType *ot)
 	RNA_def_boolean(ot->srna, "extend", 0,
 	                "Extend", "Extend selection rather than clearing the existing selection");
 }
+
+/********************** View All operator *********************/
+
+static int dopesheet_view_all_exec(bContext *C, wmOperator *UNUSED(op))
+{
+	SpaceClip *sc = CTX_wm_space_clip(C);
+	ARegion *ar = CTX_wm_region(C);
+	View2D *v2d = &ar->v2d;
+	MovieClip *clip = ED_space_clip_get_clip(sc);
+	MovieTracking *tracking = &clip->tracking;
+	MovieTrackingDopesheet *dopesheet = &tracking->dopesheet;
+	MovieTrackingDopesheetChannel *channel;
+	int frame_min = INT_MAX, frame_max = INT_MIN;
+
+	for (channel = dopesheet->channels.first; channel; channel = channel->next) {
+		frame_min = min_ii(frame_min, channel->segments[0]);
+		frame_max = max_ii(frame_max, channel->segments[channel->tot_segment]);
+	}
+
+	if (frame_min < frame_max) {
+		float extra;
+
+		v2d->cur.xmin = frame_min;
+		v2d->cur.xmax = frame_max;
+
+		/* we need an extra "buffer" factor on either side so that the endpoints are visible */
+		extra = 0.01f * BLI_rctf_size_x(&v2d->cur);
+		v2d->cur.xmin -= extra;
+		v2d->cur.xmax += extra;
+
+		ED_region_tag_redraw(ar);
+	}
+
+
+	return OPERATOR_FINISHED;
+}
+
+void CLIP_OT_dopesheet_view_all(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "View All";
+	ot->description = "Reset viewable area to show full keyframe range";
+	ot->idname = "CLIP_OT_dopesheet_view_all";
+
+	/* api callbacks */
+	ot->exec = dopesheet_view_all_exec;
+	ot->poll = space_clip_dopesheet_poll;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+}
diff --git a/source/blender/editors/space_clip/clip_intern.h b/source/blender/editors/space_clip/clip_intern.h
index 432032e9dbf..9d5e2e97bd6 100644
--- a/source/blender/editors/space_clip/clip_intern.h
+++ b/source/blender/editors/space_clip/clip_intern.h
@@ -67,6 +67,7 @@ void clip_draw_dopesheet_channels(const struct bContext *C, struct ARegion *ar);
 
 /* clip_dopesheet_ops.c */
 void CLIP_OT_dopesheet_select_channel(struct wmOperatorType *ot);
+void CLIP_OT_dopesheet_view_all(struct wmOperatorType *ot);
 
 /* clip_draw.c */
 void clip_draw_main(const struct bContext *C, struct SpaceClip *sc, struct ARegion *ar);
diff --git a/source/blender/editors/space_clip/space_clip.c b/source/blender/editors/space_clip/space_clip.c
index f0c0e7b72fd..cec220abf13 100644
--- a/source/blender/editors/space_clip/space_clip.c
+++ b/source/blender/editors/space_clip/space_clip.c
@@ -534,6 +534,7 @@ static void clip_operatortypes(void)
 	/* ** clip_dopesheet_ops.c  ** */
 
 	WM_operatortype_append(CLIP_OT_dopesheet_select_channel);
+	WM_operatortype_append(CLIP_OT_dopesheet_view_all);
 }
 
 static void clip_keymap(struct wmKeyConfig *keyconf)
@@ -768,6 +769,8 @@ static void clip_keymap(struct wmKeyConfig *keyconf)
 
 	kmi = WM_keymap_add_item(keymap, "CLIP_OT_dopesheet_select_channel", ACTIONMOUSE, KM_PRESS, 0, 0);
 	RNA_boolean_set(kmi->ptr, "extend", TRUE);  /* toggle */
+
+	WM_keymap_add_item(keymap, "CLIP_OT_dopesheet_view_all", HOMEKEY, KM_PRESS, 0, 0);
 }
 
 const char *clip_context_dir[] = {"edit_movieclip", "edit_mask", NULL};
@@ -1191,6 +1194,9 @@ static void clip_preview_area_init(wmWindowManager *wm, ARegion *ar)
 
 	keymap = WM_keymap_find(wm->defaultconf, "Clip Graph Editor", SPACE_CLIP, 0);
 	WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
+
+	keymap = WM_keymap_find(wm->defaultconf, "Clip Dopesheet Editor", SPACE_CLIP, 0);
+	WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
 }
 
 static void graph_area_draw(const bContext *C, ARegion *ar)