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add ruler snapping vert/edge/face (Holding Ctrl)

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Campbell Barton
2013-03-08 15:15:14 +00:00
parent f43153dd93
commit f9b50facd7
1 changed files with 60 additions and 1 deletions
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61
source/blender/editors/space_view3d/view3d_ruler.c
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@@ -52,6 +52,54 @@
#include "view3d_intern.h" /* own include */
/* -------------------------------------------------------------------- */
/* Snapping (could be own function) */
/* NOTE - this is not very nice use of transform snapping */
#include "ED_transform.h"
#include "../transform/transform.h"
static bool ED_view3d_snap_co(bContext *C, float r_co[3], const float co_ss[2],
bool use_vert, bool use_edge, bool use_face)
{
TransInfo t = {0};
int dist = 12; /* snap dist */
float r_no_dummy[3];
bool ret = false;
char backup_snap_mode;
Base *backup_baseact;
t.scene = CTX_data_scene(C);
t.view = CTX_wm_view3d(C);
t.ar = CTX_wm_region(C);
t.obedit = CTX_data_edit_object(C);
backup_snap_mode = t.scene->toolsettings->snap_mode;
backup_baseact = t.scene->basact;
t.scene->basact = NULL;
/* try snap edge, then face if it fails */
if (use_vert) {
t.scene->toolsettings->snap_mode = SCE_SNAP_MODE_VERTEX;
ret = snapObjectsTransform(&t, co_ss, &dist, r_co, r_no_dummy, SNAP_ALL);
}
if (use_edge && (ret == false)) {
t.scene->toolsettings->snap_mode = SCE_SNAP_MODE_EDGE;
ret = snapObjectsTransform(&t, co_ss, &dist, r_co, r_no_dummy, SNAP_ALL);
}
if (use_face && (ret == false)) {
t.scene->toolsettings->snap_mode = SCE_SNAP_MODE_FACE;
ret = snapObjectsTransform(&t, co_ss, &dist, r_co, r_no_dummy, SNAP_ALL);
}
t.scene->toolsettings->snap_mode = backup_snap_mode;
t.scene->basact = backup_baseact;
return ret;
}
/* done snapping */
/* -------------------------------------------------------------------- */
/* Ruler Item (we can have many) */
enum {
@@ -522,7 +570,12 @@ static bool view3d_ruler_item_mousemove(bContext *C, RulerInfo *ruler_info, cons
RulerItem *ruler_item = ruler_item_active_get(ruler_info);
if (ruler_item) {
view3d_ruler_item_project(C, ruler_info, ruler_item->co[ruler_item->co_index], event->mval);
float *co = ruler_item->co[ruler_item->co_index];
view3d_ruler_item_project(C, ruler_info, co, event->mval);
if (event->ctrl) {
const float mval_fl[2] = {UNPACK2(event->mval)};
ED_view3d_snap_co(C, co, mval_fl, true, true, true);
}
return true;
}
else {
@@ -658,6 +711,12 @@ static int view3d_ruler_modal(bContext *C, wmOperator *op, wmEvent *event)
}
}
break;
case RIGHTCTRLKEY:
case LEFTCTRLKEY:
{
WM_event_add_mousemove(C);
break;
}
case MOUSEMOVE:
{
if (ruler_info->state == RULER_STATE_DRAG) {