[Bf-blender-cvs] [b03ee4828be] master: Graph Editor: view-selected takes scrubbing and marker region into account

[Jacques Lucke]

Commit: b03ee4828be1032052ee4f81f15691a56cde3415
Author: Jacques Lucke
Date:   Tue May 21 11:59:10 2019 +0200
Branches: master
https://developer.blender.org/rBb03ee4828be1032052ee4f81f15691a56cde3415

Graph Editor: view-selected takes scrubbing and marker region into account

===================================================================

M	source/blender/blenlib/BLI_rect.h
M	source/blender/blenlib/intern/rct.c
M	source/blender/editors/space_graph/graph_edit.c

===================================================================

diff --git a/source/blender/blenlib/BLI_rect.h b/source/blender/blenlib/BLI_rect.h
index f23580916b1..85cee866c68 100644
--- a/source/blender/blenlib/BLI_rect.h
+++ b/source/blender/blenlib/BLI_rect.h
@@ -62,6 +62,10 @@ void BLI_rcti_resize(struct rcti *rect, int x, int y);
 void BLI_rctf_resize(struct rctf *rect, float x, float y);
 void BLI_rcti_scale(rcti *rect, const float scale);
 void BLI_rctf_scale(rctf *rect, const float scale);
+void BLI_rctf_padding_y(struct rctf *rect,
+                        const float boundary_height,
+                        const float padding_top,
+                        const float padding_bottom);
 void BLI_rctf_interp(struct rctf *rect,
                      const struct rctf *rect_a,
                      const struct rctf *rect_b,
diff --git a/source/blender/blenlib/intern/rct.c b/source/blender/blenlib/intern/rct.c
index 5000b3df92b..bf0e92b39fb 100644
--- a/source/blender/blenlib/intern/rct.c
+++ b/source/blender/blenlib/intern/rct.c
@@ -643,6 +643,25 @@ void BLI_rctf_scale(rctf *rect, const float scale)
   rect->ymax = cent_y + size_y_half;
 }
 
+void BLI_rctf_padding_y(rctf *rect,
+                        const float boundary_height,
+                        const float padding_top,
+                        const float padding_bottom)
+{
+  BLI_assert(padding_top >= 0.0f);
+  BLI_assert(padding_bottom >= 0.0f);
+  BLI_assert(boundary_height > 0.0f);
+
+  float total_padding = padding_top + padding_bottom;
+  if (total_padding == 0.0f) {
+    return;
+  }
+
+  float total_extend = BLI_rctf_size_y(rect) * total_padding / (boundary_height - total_padding);
+  rect->ymax += total_extend * (padding_top / total_padding);
+  rect->ymin -= total_extend * (padding_bottom / total_padding);
+}
+
 void BLI_rctf_interp(rctf *rect, const rctf *rect_a, const rctf *rect_b, const float fac)
 {
   const float ifac = 1.0f - fac;
diff --git a/source/blender/editors/space_graph/graph_edit.c b/source/blender/editors/space_graph/graph_edit.c
index 8329218eea9..90cba617129 100644
--- a/source/blender/editors/space_graph/graph_edit.c
+++ b/source/blender/editors/space_graph/graph_edit.c
@@ -55,6 +55,7 @@
 #include "DEG_depsgraph_build.h"
 
 #include "UI_view2d.h"
+#include "UI_interface.h"
 
 #include "ED_anim_api.h"
 #include "ED_keyframing.h"
@@ -282,10 +283,18 @@ static int graphkeys_viewall(bContext *C,
                              do_sel_only,
                              include_handles);
 
+  /* Give some more space at the borders. */
   BLI_rctf_scale(&cur_new, 1.1f);
 
-  UI_view2d_smooth_view(C, ac.ar, &cur_new, smooth_viewtx);
+  /* Take regions into account, that could block the view. */
+  float padding_top = UI_SCRUBBING_MARGIN_Y;
+  float padding_bottom = 0;
+  if (!BLI_listbase_is_empty(ED_context_get_markers(C))) {
+    padding_bottom = UI_MARKER_MARGIN_Y;
+  }
+  BLI_rctf_padding_y(&cur_new, ac.ar->sizey * UI_DPI_FAC, padding_top, padding_bottom);
 
+  UI_view2d_smooth_view(C, ac.ar, &cur_new, smooth_viewtx);
   return OPERATOR_FINISHED;
 }