VSE: Tool system integration

Add toolbar to sequencer regions.

A bit of refactoring has to be done in RNA space.
Currently there is only cut tool implemented to serve as template for
anybody who would like to add more.

2 files changed, 20 insertions, 2 deletions

diff --git a/source/blender/windowmanager/WM_toolsystem.h b/source/blender/windowmanager/WM_toolsystem.h
index 620150ba14f..36cb5be7547 100644
--- a/source/blender/windowmanager/WM_toolsystem.h
+++ b/source/blender/windowmanager/WM_toolsystem.h
@@ -41,8 +41,8 @@ struct wmOperatorType;
 
 /* wm_toolsystem.c  */
 
-#define WM_TOOLSYSTEM_SPACE_MASK ((1 << SPACE_IMAGE) | (1 << SPACE_NODE) | (1 << SPACE_VIEW3D))
-
+#define WM_TOOLSYSTEM_SPACE_MASK \
+  ((1 << SPACE_IMAGE) | (1 << SPACE_NODE) | (1 << SPACE_VIEW3D) | (1 << SPACE_SEQ))
 /* Values that define a categoey of active tool. */
 typedef struct bToolKey {
   int space_type;
diff --git a/source/blender/windowmanager/intern/wm_toolsystem.c b/source/blender/windowmanager/intern/wm_toolsystem.c
index 3218f8c45e4..8e49e47c492 100644
--- a/source/blender/windowmanager/intern/wm_toolsystem.c
+++ b/source/blender/windowmanager/intern/wm_toolsystem.c
@@ -487,6 +487,8 @@ static bool toolsystem_key_ensure_check(const bToolKey *tkey)
       break;
     case SPACE_NODE:
       return true;
+    case SPACE_SEQ:
+      return true;
   }
   return false;
 }
@@ -516,6 +518,11 @@ int WM_toolsystem_mode_from_spacetype(ViewLayer *view_layer, ScrArea *sa, int sp
       mode = 0;
       break;
     }
+    case SPACE_SEQ: {
+      SpaceSeq *sseq = sa->spacedata.first;
+      mode = sseq->view;
+      break;
+    }
   }
   return mode;
 }
@@ -736,6 +743,17 @@ static const char *toolsystem_default_tool(const bToolKey *tkey)
     case SPACE_NODE: {
       return "builtin.select_box";
     }
+    case SPACE_SEQ: {
+      switch (tkey->mode) {
+        case SEQ_VIEW_SEQUENCE:
+          return "builtin.select";
+        case SEQ_VIEW_PREVIEW:
+          return "builtin.annotate";
+        case SEQ_VIEW_SEQUENCE_PREVIEW:
+          return "builtin.select";
+      }
+      return "builtin.select_box";
+    }
   }
 
   return "builtin.select_box";