Split numinput from transform (reusable in other operator).

Use in marker move operator.

1 files changed, 305 insertions, 0 deletions

diff --git a/source/blender/editors/util/numinput.c b/source/blender/editors/util/numinput.c
new file mode 100644
index 00000000000..d6e2621a235
--- /dev/null
+++ b/source/blender/editors/util/numinput.c
@@ -0,0 +1,305 @@
+/**
+ * $Id$
+ *
+ * ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Jonathan Smith
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#include <math.h>			/* fabs */
+#include <stdio.h>			/* for sprintf		*/
+
+#include "BKE_global.h"		/* for G			*/
+#include "BKE_utildefines.h"	/* ABS */
+
+#include "WM_types.h"
+#include "DNA_windowmanager_types.h"
+
+#include "ED_numinput.h"
+
+/* ************************** Functions *************************** */
+
+/* ************************** NUMINPUT **************************** */
+
+void initNumInput(NumInput *n)
+{
+	n->flag		=
+	n->idx		=
+	n->idx_max	=
+	n->inv[0]   =
+	n->inv[1]   =
+	n->inv[2]   =
+	n->ctrl[0]	= 
+	n->ctrl[1]	= 
+	n->ctrl[2]	= 0;
+
+	n->val[0]		= 
+	n->val[1]	= 
+	n->val[2]	= 0.0f;
+}
+
+void outputNumInput(NumInput *n, char *str)
+{
+	char cur;
+	char inv[] = "1/";
+	short i, j;
+
+	for (j=0; j<=n->idx_max; j++) {
+		/* if AFFECTALL and no number typed and cursor not on number, use first number */
+		if (n->flag & NUM_AFFECT_ALL && n->idx != j && n->ctrl[j] == 0)
+			i = 0;
+		else
+			i = j;
+
+		if (n->idx != i)
+			cur = ' ';
+		else
+			cur = '|';
+
+		if (n->inv[i])
+			inv[0] = '1';
+		else
+			inv[0] = 0;
+
+		if( n->val[i] > 1e10 || n->val[i] < -1e10 )
+			sprintf(&str[j*20], "%s%.4e%c", inv, n->val[i], cur);
+		else
+			switch (n->ctrl[i]) {
+			case 0:
+				sprintf(&str[j*20], "%sNONE%c", inv, cur);
+				break;
+			case 1:
+			case -1:
+				sprintf(&str[j*20], "%s%.0f%c", inv, n->val[i], cur);
+				break;
+			case 10:
+			case -10:
+				sprintf(&str[j*20], "%s%.f.%c", inv, n->val[i], cur);
+				break;
+			case 100:
+			case -100:
+				sprintf(&str[j*20], "%s%.1f%c", inv, n->val[i], cur);
+				break;
+			case 1000:
+			case -1000:
+				sprintf(&str[j*20], "%s%.2f%c", inv, n->val[i], cur);
+				break;
+			case 10000:
+			case -10000:
+				sprintf(&str[j*20], "%s%.3f%c", inv, n->val[i], cur);
+				break;
+			default:
+				sprintf(&str[j*20], "%s%.4e%c", inv, n->val[i], cur);
+			}
+	}
+}
+
+short hasNumInput(NumInput *n)
+{
+	short i;
+
+	for (i=0; i<=n->idx_max; i++) {
+		if (n->ctrl[i])
+			return 1;
+	}
+
+	return 0;
+}
+
+void applyNumInput(NumInput *n, float *vec)
+{
+	short i, j;
+
+	if (hasNumInput(n)) {
+		for (j=0; j<=n->idx_max; j++) {
+			/* if AFFECTALL and no number typed and cursor not on number, use first number */
+			if (n->flag & NUM_AFFECT_ALL && n->idx != j && n->ctrl[j] == 0)
+				i = 0;
+			else
+				i = j;
+
+			if (n->ctrl[i] == 0 && n->flag & NUM_NULL_ONE) {
+				vec[j] = 1.0f;
+			}
+			else if (n->val[i] == 0.0f && n->flag & NUM_NO_ZERO) {
+				vec[j] = 0.0001f;
+			}
+			else {
+				if (n->inv[i])
+				{
+					vec[j] = 1.0f / n->val[i];
+				}
+				else
+				{
+					vec[j] = n->val[i];
+				}
+			}
+		}
+	}
+}
+
+char handleNumInput(NumInput *n, wmEvent *event, float increment)
+{
+	float Val = 0;
+	short idx = n->idx, idx_max = n->idx_max;
+
+	if (event->type == EVT_MODAL_MAP) {
+		switch (event->val) {
+		case NUM_MODAL_INCREMENT_UP:
+			if (!n->ctrl[idx])
+				n->ctrl[idx] = 1;
+
+	        n->val[idx] += increment;
+			break;
+		case NUM_MODAL_INCREMENT_DOWN:
+			if (!n->ctrl[idx])
+				n->ctrl[idx] = 1;
+
+	        n->val[idx] -= increment;
+			break;
+		default:
+			return 0;
+		}
+	} else {
+		switch (event->type) {
+		case BACKSPACEKEY:
+			if (n->ctrl[idx] == 0) {
+				n->val[0]		=
+					n->val[1]	=
+					n->val[2]	= 0.0f;
+				n->ctrl[0]		=
+					n->ctrl[1]	=
+					n->ctrl[2]	= 0;
+				n->inv[0]		=
+					n->inv[1]	=
+					n->inv[2]	= 0;
+			}
+			else {
+				n->val[idx] = 0.0f;
+				n->ctrl[idx] = 0;
+				n->inv[idx] = 0;
+			}
+			break;
+		case PERIODKEY:
+		case PADPERIOD:
+			if (n->flag & NUM_NO_FRACTION)
+				return 0;
+
+			switch (n->ctrl[idx])
+			{
+			case 0:
+			case 1:
+				n->ctrl[idx] = 10;
+				break;
+			case -1:
+				n->ctrl[idx] = -10;
+			}
+			break;
+		case PADMINUS:
+			if(event->alt)
+				break;
+		case MINUSKEY:
+			if (n->flag & NUM_NO_NEGATIVE)
+				break;
+
+			if (n->ctrl[idx]) {
+				n->ctrl[idx] *= -1;
+				n->val[idx] *= -1;
+			}
+			else
+				n->ctrl[idx] = -1;
+			break;
+		case PADSLASHKEY:
+		case SLASHKEY:
+			if (n->flag & NUM_NO_FRACTION)
+				return 0;
+
+			n->inv[idx] = !n->inv[idx];
+			break;
+		case TABKEY:
+			if (idx_max == 0)
+				return 0;
+
+			idx++;
+			if (idx > idx_max)
+				idx = 0;
+			n->idx = idx;
+			break;
+		case PAD9:
+		case NINEKEY:
+			Val += 1.0f;
+		case PAD8:
+		case EIGHTKEY:
+			Val += 1.0f;
+		case PAD7:
+		case SEVENKEY:
+			Val += 1.0f;
+		case PAD6:
+		case SIXKEY:
+			Val += 1.0f;
+		case PAD5:
+		case FIVEKEY:
+			Val += 1.0f;
+		case PAD4:
+		case FOURKEY:
+			Val += 1.0f;
+		case PAD3:
+		case THREEKEY:
+			Val += 1.0f;
+		case PAD2:
+		case TWOKEY:
+			Val += 1.0f;
+		case PAD1:
+		case ONEKEY:
+			Val += 1.0f;
+		case PAD0:
+		case ZEROKEY:
+			if (!n->ctrl[idx])
+				n->ctrl[idx] = 1;
+
+			if (fabs(n->val[idx]) > 9999999.0f);
+			else if (n->ctrl[idx] == 1) {
+				n->val[idx] *= 10;
+				n->val[idx] += Val;
+			}
+			else if (n->ctrl[idx] == -1) {
+				n->val[idx] *= 10;
+				n->val[idx] -= Val;
+			}
+			else {
+				/* float resolution breaks when over six digits after comma */
+				if( ABS(n->ctrl[idx]) < 10000000) {
+					n->val[idx] += Val / (float)n->ctrl[idx];
+					n->ctrl[idx] *= 10;
+				}
+			}
+			break;
+		default:
+			return 0;
+		}
+	}
+	
+	/* REDRAW SINCE NUMBERS HAVE CHANGED */
+	return 1;
+}