Revision: 23270
          
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=23270
Author:   joeedh
Date:     2009-09-16 11:55:06 +0200 (Wed, 16 Sep 2009)

Log Message:
-----------
loopcut tool.  hold down ctrl-r, then leftclick.  due to current limitations on 
operator design, there isn't any built-in edge sliding to this tool.

Modified Paths:
--------------
    trunk/blender/source/blender/editors/mesh/loopcut.c
    trunk/blender/source/blender/editors/mesh/mesh_intern.h
    trunk/blender/source/blender/editors/mesh/mesh_ops.c

Modified: trunk/blender/source/blender/editors/mesh/loopcut.c
===================================================================
--- trunk/blender/source/blender/editors/mesh/loopcut.c 2009-09-16 06:02:56 UTC 
(rev 23269)
+++ trunk/blender/source/blender/editors/mesh/loopcut.c 2009-09-16 09:55:06 UTC 
(rev 23270)
@@ -93,6 +93,7 @@
        EditEdge *eed;
 
        int extend;
+       int do_cut;
 } tringselOpData;
 
 /* modal loop selection drawing callback */
@@ -258,8 +259,14 @@
 {
        tringselOpData *lcd= op->customdata;
 
-       if (lcd->eed);
+       if (lcd->eed) {
                edgering_sel(lcd, 0, 1);
+               if (lcd->do_cut) {
+                       EditMesh *em = BKE_mesh_get_editmesh(lcd->ob->data);
+                       esubdivideflag(lcd->ob, em, SELECT, 0.0f, 
+                                      0.0f, 0, 1, SUBDIV_SELECT_LOOPCUT);
+               }
+       }
 }
 
 /* called when modal loop selection is done... */
@@ -281,7 +288,7 @@
 }
 
 /* called when modal loop selection gets set up... */
-static int ringsel_init (bContext *C, wmOperator *op)
+static int ringsel_init (bContext *C, wmOperator *op, int do_cut)
 {
        tringselOpData *lcd;
        
@@ -293,7 +300,8 @@
        lcd->draw_handle= ED_region_draw_cb_activate(lcd->ar->type, 
ringsel_draw, lcd, REGION_DRAW_POST);
        lcd->ob = CTX_data_edit_object(C);
        lcd->em= BKE_mesh_get_editmesh((Mesh *)lcd->ob->data);
-       lcd->extend = RNA_boolean_get(op->ptr, "extend");
+       lcd->extend = do_cut ? 0 : RNA_boolean_get(op->ptr, "extend");
+       lcd->do_cut = do_cut;
        em_setup_viewcontext(C, &lcd->vc);
 
        ED_region_tag_redraw(lcd->ar);
@@ -317,7 +325,7 @@
 
        view3d_operator_needs_opengl(C);
 
-       if (!ringsel_init(C, op))
+       if (!ringsel_init(C, op, 0))
                return OPERATOR_CANCELLED;
        
        /* add a modal handler for this operator - handles loop selection */
@@ -336,6 +344,35 @@
        return OPERATOR_RUNNING_MODAL;
 }
 
+
+static int ringcut_invoke (bContext *C, wmOperator *op, wmEvent *evt)
+{
+       ScrArea *sa = CTX_wm_area(C);
+       tringselOpData *lcd;
+       EditEdge *edge;
+       int dist = 75;
+
+       view3d_operator_needs_opengl(C);
+
+       if (!ringsel_init(C, op, 1))
+               return OPERATOR_CANCELLED;
+       
+       /* add a modal handler for this operator - handles loop selection */
+       WM_event_add_modal_handler(C, &CTX_wm_window(C)->handlers, op);
+
+       lcd = op->customdata;
+       lcd->vc.mval[0] = evt->mval[0];
+       lcd->vc.mval[1] = evt->mval[1];
+       
+       edge = findnearestedge(&lcd->vc, &dist);
+       if (edge != lcd->eed) {
+               lcd->eed = edge;
+               ringsel_find_edge(lcd, C, lcd->ar);
+       }
+
+       return OPERATOR_RUNNING_MODAL;
+}
+
 static int ringsel_modal (bContext *C, wmOperator *op, wmEvent *event)
 {
        tringselOpData *lcd= op->customdata;
@@ -379,13 +416,12 @@
        return OPERATOR_RUNNING_MODAL;
 }
 
-// naming is whatever this should use...
 void MESH_OT_edgering_select (wmOperatorType *ot)
 {
        /* description */
-       ot->name= "Loop Cut";
+       ot->name= "Edge Ring Select";
        ot->idname= "MESH_OT_edgering_select";
-       ot->description= "Add a new loop between existing loops.";
+       ot->description= "Select an edge ring";
        
        /* callbacks */
        ot->invoke= ringsel_invoke;
@@ -398,3 +434,20 @@
 
        RNA_def_boolean(ot->srna, "extend", 0, "Extend", "Extend the 
selection");
 }
+
+void MESH_OT_loopcut (wmOperatorType *ot)
+{
+       /* description */
+       ot->name= "Loop Cut";
+       ot->idname= "MESH_OT_loopcut";
+       ot->description= "Add a new loop between existing loops.";
+       
+       /* callbacks */
+       ot->invoke= ringcut_invoke;
+       ot->modal= ringsel_modal;
+       ot->cancel= ringsel_cancel;
+       ot->poll= ED_operator_editmesh;
+       
+       /* flags */
+       ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING;
+}

Modified: trunk/blender/source/blender/editors/mesh/mesh_intern.h
===================================================================
--- trunk/blender/source/blender/editors/mesh/mesh_intern.h     2009-09-16 
06:02:56 UTC (rev 23269)
+++ trunk/blender/source/blender/editors/mesh/mesh_intern.h     2009-09-16 
09:55:06 UTC (rev 23270)
@@ -243,6 +243,7 @@
 void MESH_OT_sticky_remove(struct wmOperatorType *ot);
 
 void MESH_OT_edgering_select(struct wmOperatorType *ot);
+void MESH_OT_loopcut(struct wmOperatorType *ot);
 
 #endif // MESH_INTERN_H
 

Modified: trunk/blender/source/blender/editors/mesh/mesh_ops.c
===================================================================
--- trunk/blender/source/blender/editors/mesh/mesh_ops.c        2009-09-16 
06:02:56 UTC (rev 23269)
+++ trunk/blender/source/blender/editors/mesh/mesh_ops.c        2009-09-16 
09:55:06 UTC (rev 23270)
@@ -321,8 +321,17 @@
        WM_operatortype_append(MESH_OT_specials);
        
        WM_operatortype_append(MESH_OT_edgering_select);
+       WM_operatortype_append(MESH_OT_loopcut);
 
        /* macros */
+
+       /*combining operators with invoke and exec portions doesn't work yet.
+       
+       ot= WM_operatortype_append_macro("MESH_OT_loopcut", "Loopcut", 
OPTYPE_UNDO|OPTYPE_REGISTER);
+       WM_operatortype_macro_define(ot, "MESH_OT_edgering_select");
+       WM_operatortype_macro_define(ot, "MESH_OT_subdivide");
+       */
+
        ot= WM_operatortype_append_macro("MESH_OT_duplicate_move", "Add 
Duplicate", OPTYPE_UNDO|OPTYPE_REGISTER);
        WM_operatortype_macro_define(ot, "MESH_OT_duplicate");
        WM_operatortype_macro_define(ot, "TFM_OT_translate");
@@ -335,12 +344,6 @@
        WM_operatortype_macro_define(ot, "MESH_OT_extrude");
        WM_operatortype_macro_define(ot, "TFM_OT_translate");
 
-       /*combining operators with invoke and exec portions doesn't work yet.
-       
-       ot= WM_operatortype_append_macro("MESH_OT_loopcut", "Loopcut", 
OPTYPE_UNDO|OPTYPE_REGISTER);
-       WM_operatortype_macro_define(ot, "MESH_OT_edgering_select");
-       WM_operatortype_macro_define(ot, "MESH_OT_subdivide");
-       */
 }
 
 /* note mesh keymap also for other space? */
@@ -349,7 +352,7 @@
        ListBase *keymap= WM_keymap_listbase(wm, "EditMesh", 0, 0);
        wmKeymapItem *kmi;
        
-       //WM_keymap_add_item(keymap, "MESH_OT_loopcut", RKEY, KM_PRESS, 
KM_CTRL, 0);
+       WM_keymap_add_item(keymap, "MESH_OT_loopcut", ACTIONMOUSE, KM_PRESS, 
KM_CTRL, RKEY);
 
        /* selecting */
        /* standard mouse selection goes via space_view3d */


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