[Bf-blender-cvs] [2757469824b] master: UI: only reset eyedropper on cancel when set

[Campbell Barton]

Commit: 2757469824bbe98d943b42f57ff23782b97a3abf
Author: Campbell Barton
Date:   Fri Jan 18 09:31:39 2019 +1100
Branches: master
https://developer.blender.org/rB2757469824bbe98d943b42f57ff23782b97a3abf

UI: only reset eyedropper on cancel when set

===================================================================

M	source/blender/editors/interface/interface_eyedropper_color.c
M	source/blender/editors/interface/interface_eyedropper_colorband.c
M	source/blender/editors/interface/interface_eyedropper_depth.c

===================================================================

diff --git a/source/blender/editors/interface/interface_eyedropper_color.c b/source/blender/editors/interface/interface_eyedropper_color.c
index 322d368dc27..9448585a563 100644
--- a/source/blender/editors/interface/interface_eyedropper_color.c
+++ b/source/blender/editors/interface/interface_eyedropper_color.c
@@ -71,6 +71,7 @@ typedef struct Eyedropper {
 	int index;
 	bool is_undo;
 
+	bool is_set;
 	float init_col[3]; /* for resetting on cancel */
 
 	bool  accum_start; /* has mouse been pressed */
@@ -212,6 +213,7 @@ static void eyedropper_color_set(bContext *C, Eyedropper *eye, const float col[3
 	}
 
 	RNA_property_float_set_array(&eye->ptr, eye->prop, col_conv);
+	eye->is_set = true;
 
 	RNA_property_update(C, &eye->ptr, eye->prop);
 }
@@ -245,7 +247,9 @@ static void eyedropper_color_sample(bContext *C, Eyedropper *eye, int mx, int my
 static void eyedropper_cancel(bContext *C, wmOperator *op)
 {
 	Eyedropper *eye = op->customdata;
-	eyedropper_color_set(C, eye, eye->init_col);
+	if (eye->is_set) {
+		eyedropper_color_set(C, eye, eye->init_col);
+	}
 	eyedropper_exit(C, op);
 }
 
diff --git a/source/blender/editors/interface/interface_eyedropper_colorband.c b/source/blender/editors/interface/interface_eyedropper_colorband.c
index dd4524c9066..805e1177d87 100644
--- a/source/blender/editors/interface/interface_eyedropper_colorband.c
+++ b/source/blender/editors/interface/interface_eyedropper_colorband.c
@@ -73,6 +73,7 @@ typedef struct EyedropperColorband {
 	PointerRNA ptr;
 	PropertyRNA *prop;
 	bool is_undo;
+	bool is_set;
 } EyedropperColorband;
 
 /* For user-data only. */
@@ -132,6 +133,7 @@ static void eyedropper_colorband_sample_point(bContext *C, EyedropperColorband *
 		eye->color_buffer_len += 1;
 		eye->last_x = mx;
 		eye->last_y = my;
+		eye->is_set = true;
 	}
 }
 
@@ -172,14 +174,17 @@ static void eyedropper_colorband_apply(bContext *C, wmOperator *op)
 	/* Always filter, avoids noise in resulting color-band. */
 	bool filter_samples = true;
 	BKE_colorband_init_from_table_rgba(eye->color_band, eye->color_buffer, eye->color_buffer_len, filter_samples);
+	eye->is_set = true;
 	RNA_property_update(C, &eye->ptr, eye->prop);
 }
 
 static void eyedropper_colorband_cancel(bContext *C, wmOperator *op)
 {
 	EyedropperColorband *eye = op->customdata;
-	*eye->color_band = eye->init_color_band;
-	RNA_property_update(C, &eye->ptr, eye->prop);
+	if (eye->is_set) {
+		*eye->color_band = eye->init_color_band;
+		RNA_property_update(C, &eye->ptr, eye->prop);
+	}
 	eyedropper_colorband_exit(C, op);
 }
 
diff --git a/source/blender/editors/interface/interface_eyedropper_depth.c b/source/blender/editors/interface/interface_eyedropper_depth.c
index 4d0a95a6bbd..1634e7c6bd4 100644
--- a/source/blender/editors/interface/interface_eyedropper_depth.c
+++ b/source/blender/editors/interface/interface_eyedropper_depth.c
@@ -69,6 +69,7 @@ typedef struct DepthDropper {
 	PropertyRNA *prop;
 	bool is_undo;
 
+	bool is_set;
 	float init_depth; /* for resetting on cancel */
 
 	bool  accum_start; /* has mouse been presed */
@@ -219,6 +220,7 @@ static void depthdropper_depth_sample_pt(bContext *C, DepthDropper *ddr, int mx,
 static void depthdropper_depth_set(bContext *C, DepthDropper *ddr, const float depth)
 {
 	RNA_property_float_set(&ddr->ptr, ddr->prop, depth);
+	ddr->is_set = true;
 	RNA_property_update(C, &ddr->ptr, ddr->prop);
 }
 
@@ -255,7 +257,9 @@ static void depthdropper_depth_sample_accum(bContext *C, DepthDropper *ddr, int
 static void depthdropper_cancel(bContext *C, wmOperator *op)
 {
 	DepthDropper *ddr = op->customdata;
-	depthdropper_depth_set(C, ddr, ddr->init_depth);
+	if (ddr->is_set) {
+		depthdropper_depth_set(C, ddr, ddr->init_depth);
+	}
 	depthdropper_exit(C, op);
 }