2.5

Proper integration of File-selecting in WM. The communication
flow was flawed. :) Main problem was that filewindow can change
the screen context entirely, and should not do this directly on
a call inside an operator. Another problem was that the operator
ownership was handed over to SpaceFile, which is asking for 
problems if you want to execute the operator with proper context
later on.

Solution is simple; window handlers already are valid owners of
operators and can manage context, so instead of directly talking
to the 'file space', you give the operator to a new handler this
way:

    WM_event_add_fileselect(C, op);

This handler then listens to events (OPEN, EXEC, CANCEL) sent
by the WM or by the filewindow itself. This way local context
operators (like "open new image in imagewindow") will survive
a full-window fileselector fine, and in future also secondary
windows browsing files.

Two bugfixes included in this commit too:
- Add sequence menus in Sequencer used wrong context.
- When handler executes operators, it sets stored context now
  by first checking if this is still valid.

1 files changed, 8 insertions, 5 deletions

diff --git a/source/blender/makesdna/DNA_screen_types.h b/source/blender/makesdna/DNA_screen_types.h
index 89bf32ef16d..bc845ec177a 100644
--- a/source/blender/makesdna/DNA_screen_types.h
+++ b/source/blender/makesdna/DNA_screen_types.h
@@ -44,14 +44,15 @@ struct wmTimer;
 typedef struct bScreen {
 	ID id;
 	
-	ListBase vertbase, edgebase;
+	ListBase vertbase;					/* screens have vertices/edges to define areas */
+	ListBase edgebase;
 	ListBase areabase;
-	ListBase regionbase;				/* screen level regions, runtime only */
-	struct Scene *scene;
+	ListBase regionbase;				/* screen level regions (menus), runtime only */
 	
-	short scenenr, screennr;			/* only for pupmenu */
+	struct Scene *scene;
 	
-	short full, winid;					/* winid from WM, starts with 1 */
+	short full;							/* fade out? */
+	short winid;						/* winid from WM, starts with 1 */
 	short do_draw;						/* notifier for drawing edges */
 	short do_refresh;					/* notifier for scale screen, changed screen, etc */
 	short do_draw_gesture;				/* notifier for gesture draw. */
@@ -62,6 +63,8 @@ typedef struct bScreen {
 	short mainwin;						/* screensize subwindow, for screenedges and global menus */
 	short subwinactive;					/* active subwindow */
 	
+	int pad2;
+	
 	struct wmTimer *animtimer;			/* if set, screen has timer handler added in window */
 	void *context;						/* context callback */