2.5

As creator of the Ipo I also reserve to right to kick it out
definitely :) To honour the wonderful contributions from Joshua
here it is; renamed space_ipo to space_graph!

Note; make, cmake and scons should work, msvc will require some
work now!

1 files changed, 418 insertions, 0 deletions

diff --git a/source/blender/editors/space_graph/space_graph.c b/source/blender/editors/space_graph/space_graph.c
new file mode 100644
index 00000000000..4162b81974d
--- /dev/null
+++ b/source/blender/editors/space_graph/space_graph.c
@@ -0,0 +1,418 @@
+/**
+ * $Id:
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. 
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2008 Blender Foundation.
+ * All rights reserved.
+ *
+ * 
+ * Contributor(s): Blender Foundation
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+#include "DNA_anim_types.h"
+#include "DNA_object_types.h"
+#include "DNA_space_types.h"
+#include "DNA_scene_types.h"
+#include "DNA_screen_types.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_blenlib.h"
+#include "BLI_arithb.h"
+#include "BLI_rand.h"
+
+#include "BKE_context.h"
+#include "BKE_screen.h"
+
+#include "ED_space_api.h"
+#include "ED_screen.h"
+#include "ED_anim_api.h"
+#include "ED_markers.h"
+
+#include "BIF_gl.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "UI_interface.h"
+#include "UI_resources.h"
+#include "UI_view2d.h"
+
+#include "graph_intern.h"	// own include
+
+/* ******************** default callbacks for ipo space ***************** */
+
+static SpaceLink *graph_new(const bContext *C)
+{
+	Scene *scene= CTX_data_scene(C);
+	ARegion *ar;
+	SpaceIpo *sipo;
+	
+	sipo= MEM_callocN(sizeof(SpaceIpo), "init graphedit");
+	sipo->spacetype= SPACE_IPO;
+	
+	/* allocate DopeSheet data for Graph Editor */
+	sipo->ads= MEM_callocN(sizeof(bDopeSheet), "GraphEdit DopeSheet");
+	
+	/* header */
+	ar= MEM_callocN(sizeof(ARegion), "header for graphedit");
+	
+	BLI_addtail(&sipo->regionbase, ar);
+	ar->regiontype= RGN_TYPE_HEADER;
+	ar->alignment= RGN_ALIGN_BOTTOM;
+	
+	/* channels */
+	ar= MEM_callocN(sizeof(ARegion), "main area for graphedit");
+	
+	BLI_addtail(&sipo->regionbase, ar);
+	ar->regiontype= RGN_TYPE_CHANNELS;
+	ar->alignment= RGN_ALIGN_LEFT;
+	
+	ar->v2d.scroll = (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
+	
+	/* main area */
+	ar= MEM_callocN(sizeof(ARegion), "main area for graphedit");
+	
+	BLI_addtail(&sipo->regionbase, ar);
+	ar->regiontype= RGN_TYPE_WINDOW;
+	
+	ar->v2d.tot.xmin= 0.0f;
+	ar->v2d.tot.ymin= -10.0f;
+	ar->v2d.tot.xmax= (float)scene->r.efra;
+	ar->v2d.tot.ymax= 10.0f;
+	
+	ar->v2d.cur= ar->v2d.tot;
+	
+	ar->v2d.min[0]= 0.01f;
+	ar->v2d.min[1]= 0.01f;
+	
+	ar->v2d.max[0]= MAXFRAMEF;
+	ar->v2d.max[1]= 50000.0f;
+	
+	ar->v2d.scroll= (V2D_SCROLL_BOTTOM|V2D_SCROLL_SCALE_HORIZONTAL);
+	ar->v2d.scroll |= (V2D_SCROLL_LEFT|V2D_SCROLL_SCALE_VERTICAL);
+	
+	ar->v2d.keeptot= 0;
+	
+	return (SpaceLink *)sipo;
+}
+
+/* not spacelink itself */
+static void graph_free(SpaceLink *sl)
+{	
+	SpaceIpo *si= (SpaceIpo *)sl;
+	
+	if (si->ads) {
+		BLI_freelistN(&si->ads->chanbase);
+		MEM_freeN(si->ads);
+	}
+}
+
+
+/* spacetype; init callback */
+static void graph_init(struct wmWindowManager *wm, ScrArea *sa)
+{
+	SpaceIpo *sipo= (SpaceIpo *)sa->spacedata.first;
+	
+	/* init dopesheet data if non-existant (i.e. for old files) */
+	if (sipo->ads == NULL)
+		sipo->ads= MEM_callocN(sizeof(bDopeSheet), "GraphEdit DopeSheet");
+}
+
+static SpaceLink *graph_duplicate(SpaceLink *sl)
+{
+	SpaceIpo *sipon= MEM_dupallocN(sl);
+	
+	/* clear or remove stuff from old */
+	//sipon->ipokey.first= sipon->ipokey.last= NULL;
+	sipon->ads= MEM_dupallocN(sipon->ads);
+	
+	return (SpaceLink *)sipon;
+}
+
+/* add handlers, stuff you only do once or on area/region changes */
+static void graph_main_area_init(wmWindowManager *wm, ARegion *ar)
+{
+	ListBase *keymap;
+	
+	UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_CUSTOM, ar->winx, ar->winy);
+	
+	/* own keymap */
+	keymap= WM_keymap_listbase(wm, "GraphEdit Keys", SPACE_IPO, 0);	/* XXX weak? */
+	WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
+}
+
+static void graph_main_area_draw(const bContext *C, ARegion *ar)
+{
+	/* draw entirely, view changes should be handled here */
+	SpaceIpo *sipo= (SpaceIpo*)CTX_wm_space_data(C);
+	bAnimContext ac;
+	View2D *v2d= &ar->v2d;
+	View2DGrid *grid;
+	View2DScrollers *scrollers;
+	float col[3];
+	short unitx=0, unity=V2D_UNIT_VALUES, flag=0;
+	
+	/* clear and setup matrix */
+	UI_GetThemeColor3fv(TH_BACK, col);
+	glClearColor(col[0], col[1], col[2], 0.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+	
+	UI_view2d_view_ortho(C, v2d);
+	
+	/* grid */
+	unitx= (sipo->flag & SIPO_DRAWTIME)? V2D_UNIT_SECONDS : V2D_UNIT_FRAMES;
+	grid= UI_view2d_grid_calc(C, v2d, unitx, V2D_GRID_NOCLAMP, unity, V2D_GRID_NOCLAMP, ar->winx, ar->winy);
+	UI_view2d_grid_draw(C, v2d, grid, V2D_GRIDLINES_ALL);
+	UI_view2d_grid_free(grid);
+	
+	/* draw data */
+	if (ANIM_animdata_get_context(C, &ac)) {
+		graph_draw_curves(&ac, sipo, ar);
+	}
+	
+	/* current frame */
+	if (sipo->flag & SIPO_DRAWTIME) 	flag |= DRAWCFRA_UNIT_SECONDS;
+	if ((sipo->flag & SIPO_NODRAWCFRANUM)==0)  flag |= DRAWCFRA_SHOW_NUMBOX;
+	ANIM_draw_cfra(C, v2d, flag);
+	
+	/* markers */
+	UI_view2d_view_orthoSpecial(C, v2d, 1);
+	draw_markers_time(C, 0);
+	
+	/* preview range */
+	UI_view2d_view_ortho(C, v2d);
+	ANIM_draw_previewrange(C, v2d);
+	
+	/* reset view matrix */
+	UI_view2d_view_restore(C);
+	
+	/* scrollers */
+		// FIXME: args for scrollers depend on the type of data being shown...
+	scrollers= UI_view2d_scrollers_calc(C, v2d, unitx, V2D_GRID_NOCLAMP, unity, V2D_GRID_NOCLAMP);
+	UI_view2d_scrollers_draw(C, v2d, scrollers);
+	UI_view2d_scrollers_free(scrollers);
+}
+
+static void graph_channel_area_init(wmWindowManager *wm, ARegion *ar)
+{
+	ListBase *keymap;
+	
+	UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_LIST, ar->winx, ar->winy);
+	
+	/* own keymap */
+	keymap= WM_keymap_listbase(wm, "Animation_Channels", 0, 0);	/* XXX weak? */
+	WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
+}
+
+static void graph_channel_area_draw(const bContext *C, ARegion *ar)
+{
+	SpaceIpo *sipo= (SpaceIpo *)CTX_wm_space_data(C);
+	bAnimContext ac;
+	View2D *v2d= &ar->v2d;
+	View2DScrollers *scrollers;
+	float col[3];
+	
+	/* clear and setup matrix */
+	UI_GetThemeColor3fv(TH_SHADE2, col);
+	glClearColor(col[0], col[1], col[2], 0.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+	
+	UI_view2d_view_ortho(C, v2d);
+	
+	/* draw channels */
+	if (ANIM_animdata_get_context(C, &ac)) {
+		graph_draw_channel_names(&ac, sipo, ar);
+	}
+	
+	/* reset view matrix */
+	UI_view2d_view_restore(C);
+	
+	/* scrollers */
+	scrollers= UI_view2d_scrollers_calc(C, v2d, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
+	UI_view2d_scrollers_draw(C, v2d, scrollers);
+	UI_view2d_scrollers_free(scrollers);
+}
+
+/* add handlers, stuff you only do once or on area/region changes */
+static void graph_header_area_init(wmWindowManager *wm, ARegion *ar)
+{
+	UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
+}
+
+static void graph_header_area_draw(const bContext *C, ARegion *ar)
+{
+	float col[3];
+	
+	/* clear */
+	if(ED_screen_area_active(C))
+		UI_GetThemeColor3fv(TH_HEADER, col);
+	else
+		UI_GetThemeColor3fv(TH_HEADERDESEL, col);
+	
+	glClearColor(col[0], col[1], col[2], 0.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+	
+	/* set view2d view matrix for scrolling (without scrollers) */
+	UI_view2d_view_ortho(C, &ar->v2d);
+	
+	graph_header_buttons(C, ar);
+	
+	/* restore view matrix? */
+	UI_view2d_view_restore(C);
+}
+
+static void graph_region_listener(ARegion *ar, wmNotifier *wmn)
+{
+	/* context changes */
+	switch(wmn->category) {
+		case NC_SCENE:
+			switch(wmn->data) {
+				case ND_OB_ACTIVE:
+				case ND_FRAME:
+				case ND_MARKERS:
+					ED_region_tag_redraw(ar);
+					break;
+			}
+			break;
+		case NC_OBJECT:
+			switch(wmn->data) {
+				case ND_BONE_ACTIVE:
+				case ND_BONE_SELECT:
+				case ND_KEYS:
+					ED_region_tag_redraw(ar);
+					break;
+			}
+			break;
+		default:
+			if(wmn->data==ND_KEYS)
+				ED_region_tag_redraw(ar);
+				
+	}
+}
+
+/* editor level listener */
+static void graph_listener(ScrArea *sa, wmNotifier *wmn)
+{
+	/* context changes */
+	switch (wmn->category) {
+		case NC_SCENE:
+			/*switch (wmn->data) {
+				case ND_OB_ACTIVE:
+				case ND_OB_SELECT:
+					ED_area_tag_refresh(sa);
+					break;
+			}*/
+			ED_area_tag_refresh(sa);
+			break;
+		case NC_OBJECT:
+			/*switch (wmn->data) {
+				case ND_BONE_SELECT:
+				case ND_BONE_ACTIVE:
+					ED_area_tag_refresh(sa);
+					break;
+			}*/
+			ED_area_tag_refresh(sa);
+			break;
+	}
+}
+
+static void graph_refresh(const bContext *C, ScrArea *sa)
+{
+	SpaceIpo *sipo = (SpaceIpo *)sa->spacedata.first;
+	
+	/* updates to data needed depends on Graph Editor mode... */
+	switch (sipo->mode) {
+		case SIPO_MODE_ANIMATION: /* all animation */
+		{
+			
+		}
+			break;
+		
+		case SIPO_MODE_DRIVERS: /* drivers only  */
+		{
+			Object *ob= CTX_data_active_object(C);
+			
+			/* sync changes to bones to the corresponding action channels */
+			ANIM_pose_to_action_sync(ob, sa);
+		}
+			break; 
+	}
+	
+	/* region updates? */
+	// XXX resizing y-extents of tot should go here?
+}
+
+/* only called once, from space/spacetypes.c */
+void ED_spacetype_ipo(void)
+{
+	SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype ipo");
+	ARegionType *art;
+	
+	st->spaceid= SPACE_IPO;
+	
+	st->new= graph_new;
+	st->free= graph_free;
+	st->init= graph_init;
+	st->duplicate= graph_duplicate;
+	st->operatortypes= graphedit_operatortypes;
+	st->keymap= graphedit_keymap;
+	st->listener= graph_listener;
+	st->refresh= graph_refresh;
+	
+	/* regions: main window */
+	art= MEM_callocN(sizeof(ARegionType), "spacetype graphedit region");
+	art->regionid = RGN_TYPE_WINDOW;
+	art->init= graph_main_area_init;
+	art->draw= graph_main_area_draw;
+	art->listener= graph_region_listener;
+	art->keymapflag= ED_KEYMAP_VIEW2D/*|ED_KEYMAP_MARKERS*/|ED_KEYMAP_ANIMATION|ED_KEYMAP_FRAMES;
+
+	BLI_addhead(&st->regiontypes, art);
+	
+	/* regions: header */
+	art= MEM_callocN(sizeof(ARegionType), "spacetype graphedit region");
+	art->regionid = RGN_TYPE_HEADER;
+	art->minsizey= HEADERY;
+	art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES;
+	art->listener= graph_region_listener;
+	art->init= graph_header_area_init;
+	art->draw= graph_header_area_draw;
+	
+	BLI_addhead(&st->regiontypes, art);
+	
+	/* regions: channels */
+	art= MEM_callocN(sizeof(ARegionType), "spacetype graphedit region");
+	art->regionid = RGN_TYPE_CHANNELS;
+	art->minsizex= 200;
+	art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES;
+	art->listener= graph_region_listener;
+	art->init= graph_channel_area_init;
+	art->draw= graph_channel_area_draw;
+	
+	BLI_addhead(&st->regiontypes, art);
+	
+	
+	BKE_spacetype_register(st);
+}
+