UI: add view aligned gizmo color

Was hard coded to white making white backgrounds impractical.

D7162 by @billreynish with edits.

release/datafiles/userdef/userdef_default_theme.c

@@ -249,6 +249,7 @@ const bTheme U_theme_default = {
     .gizmo_secondary = RGBA(0x63ffffff),
     .gizmo_a = RGBA(0x4da84dff),
     .gizmo_b = RGBA(0xa33535ff),
+    .gizmo_view_align = RGBA(0xffffffff),
     .icon_scene = RGBA(0xe6e6e6ff),
     .icon_collection = RGBA(0xf4f4f4ff),
     .icon_object = RGBA(0xee9e5dff),

release/scripts/presets/interface_theme/blender_light.xml

@@ -14,6 +14,7 @@
         gizmo_hi="#ffffff"
         gizmo_primary="#f5f14d"
         gizmo_secondary="#63ffff"
+        gizmo_view_align="#585858"
         gizmo_a="#4da84d"
         gizmo_b="#a33535"
         icon_scene="#e6e6e6ff"

release/scripts/startup/bl_ui/space_userpref.py

@@ -916,6 +916,7 @@ class USERPREF_PT_theme_interface_gizmos(ThemePanel, CenterAlignMixIn, Panel):
         col = flow.column()
         col.prop(ui, "gizmo_primary")
         col.prop(ui, "gizmo_secondary")
+        col.prop(ui, "gizmo_view_align")
 
         col = flow.column()
         col.prop(ui, "gizmo_a")

source/blender/blenkernel/BKE_blender_version.h

@@ -27,7 +27,7 @@
  * \note Use #STRINGIFY() rather than defining with quotes.
  */
 #define BLENDER_VERSION 283
-#define BLENDER_SUBVERSION 9
+#define BLENDER_SUBVERSION 10
 /** Several breakages with 280, e.g. collections vs layers. */
 #define BLENDER_MINVERSION 280
 #define BLENDER_MINSUBVERSION 0

source/blender/blenloader/intern/versioning_userdef.c

@@ -196,6 +196,15 @@ static void do_versions_theme(const UserDef *userdef, bTheme *btheme)
     FROM_DEFAULT_V4_UCHAR(space_info.info_warning);
   }
 
+  if (!USER_VERSION_ATLEAST(283, 10)) {
+    FROM_DEFAULT_V4_UCHAR(tui.gizmo_view_align);
+
+    FROM_DEFAULT_V4_UCHAR(space_sequencer.active_strip);
+    FROM_DEFAULT_V4_UCHAR(space_sequencer.selected_strip);
+    FROM_DEFAULT_V4_UCHAR(space_sequencer.color_strip);
+    FROM_DEFAULT_V4_UCHAR(space_sequencer.mask);
+  }
+
   /**
    * Versioning code until next subversion bump goes here.
    *
@@ -207,10 +216,6 @@ static void do_versions_theme(const UserDef *userdef, bTheme *btheme)
    */
   {
     /* Keep this block, even when empty. */
-    FROM_DEFAULT_V4_UCHAR(space_sequencer.active_strip);
-    FROM_DEFAULT_V4_UCHAR(space_sequencer.selected_strip);
-    FROM_DEFAULT_V4_UCHAR(space_sequencer.color_strip);
-    FROM_DEFAULT_V4_UCHAR(space_sequencer.mask);
   }
 
 #undef FROM_DEFAULT_V4_UCHAR

source/blender/editors/include/UI_resources.h

@@ -315,6 +315,7 @@ typedef enum ThemeColorID {
   TH_GIZMO_HI,
   TH_GIZMO_PRIMARY,
   TH_GIZMO_SECONDARY,
+  TH_GIZMO_VIEW_ALIGN,
   TH_GIZMO_A,
   TH_GIZMO_B,
 

source/blender/editors/interface/resources.c

@@ -918,6 +918,9 @@ const uchar *UI_ThemeGetColorPtr(bTheme *btheme, int spacetype, int colorid)
         case TH_GIZMO_SECONDARY:
           cp = btheme->tui.gizmo_secondary;
           break;
+        case TH_GIZMO_VIEW_ALIGN:
+          cp = btheme->tui.gizmo_view_align;
+          break;
         case TH_GIZMO_A:
           cp = btheme->tui.gizmo_a;
           break;

source/blender/editors/space_view3d/view3d_gizmo_ruler.c

@@ -864,7 +864,7 @@ static void gizmo_ruler_draw(const bContext *C, wmGizmo *gz)
     uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
 
     immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
-    immUniformColor4fv(color_act);
+    immUniformThemeColor3(TH_GIZMO_VIEW_ALIGN);
 
     imm_draw_circle_wire_2d(pos, co_ss_snap[0], co_ss_snap[1], size * U.pixelsize, 32);
 

source/blender/editors/transform/transform_gizmo_2d.c

@@ -315,6 +315,11 @@ static void gizmo2d_xform_setup(const bContext *UNUSED(C), wmGizmoGroup *gzgroup
       WM_gizmo_set_scale(gz, 1.0f);
     }
     else {
+      float color[4], color_hi[4];
+      UI_GetThemeColor4fv(TH_GIZMO_VIEW_ALIGN, color);
+      copy_v4_v4(color_hi, color);
+      color[3] *= 0.6f;
+
       PropertyRNA *prop = RNA_struct_find_property(gz->ptr, "icon");
       RNA_property_enum_set(gz->ptr, prop, ICON_NONE);
 
@@ -322,7 +327,8 @@ static void gizmo2d_xform_setup(const bContext *UNUSED(C), wmGizmoGroup *gzgroup
       /* Make the center low alpha. */
       WM_gizmo_set_line_width(gz, 2.0f);
       RNA_float_set(gz->ptr, "backdrop_fill_alpha", 0.0);
-      WM_gizmo_set_color(gz, (const float[4]){1, 1, 1, 0.6});
+      WM_gizmo_set_color(gz, color);
+      WM_gizmo_set_color_highlight(gz, color_hi);
 
       WM_gizmo_set_scale(gz, 0.2f);
     }
@@ -629,6 +635,11 @@ static void gizmo2d_resize_setup(const bContext *UNUSED(C), wmGizmoGroup *gzgrou
       WM_gizmo_set_scale(gz, 1.0f);
     }
     else {
+      float color[4], color_hi[4];
+      UI_GetThemeColor4fv(TH_GIZMO_VIEW_ALIGN, color);
+      copy_v4_v4(color_hi, color);
+      color[3] *= 0.6f;
+
       PropertyRNA *prop = RNA_struct_find_property(gz->ptr, "icon");
       RNA_property_enum_set(gz->ptr, prop, ICON_NONE);
 
@@ -636,7 +647,8 @@ static void gizmo2d_resize_setup(const bContext *UNUSED(C), wmGizmoGroup *gzgrou
       /* Make the center low alpha. */
       WM_gizmo_set_line_width(gz, 2.0f);
       RNA_float_set(gz->ptr, "backdrop_fill_alpha", 0.0);
-      WM_gizmo_set_color(gz, (const float[4]){1, 1, 1, 0.6});
+      WM_gizmo_set_color(gz, color);
+      WM_gizmo_set_color_highlight(gz, color_hi);
 
       WM_gizmo_set_scale(gz, 1.2f);
     }
@@ -754,6 +766,9 @@ static void gizmo2d_rotate_setup(const bContext *UNUSED(C), wmGizmoGroup *gzgrou
     WM_gizmo_set_scale(gz, 1.2f);
 
     {
+      float color[4];
+      UI_GetThemeColor4fv(TH_GIZMO_VIEW_ALIGN, color);
+
       PropertyRNA *prop = RNA_struct_find_property(gz->ptr, "icon");
       RNA_property_enum_set(gz->ptr, prop, ICON_NONE);
 
@@ -761,7 +776,8 @@ static void gizmo2d_rotate_setup(const bContext *UNUSED(C), wmGizmoGroup *gzgrou
       /* Make the center low alpha. */
       WM_gizmo_set_line_width(gz, 2.0f);
       RNA_float_set(gz->ptr, "backdrop_fill_alpha", 0.0);
-      WM_gizmo_set_color(gz, (const float[4]){1, 1, 1, 0.6});
+      WM_gizmo_set_color(gz, color);
+      WM_gizmo_set_color_highlight(gz, color);
     }
 
     /* Assign operator. */

source/blender/editors/transform/transform_gizmo_3d.c

@@ -397,7 +397,7 @@ static void gizmo_get_axis_color(const int axis_idx,
     case MAN_AXIS_ROT_C:
     case MAN_AXIS_SCALE_C:
     case MAN_AXIS_ROT_T:
-      copy_v4_fl(r_col, 1.0f);
+      UI_GetThemeColor4fv(TH_GIZMO_VIEW_ALIGN, r_col);
       break;
   }
 

source/blender/makesdna/DNA_userdef_types.h

@@ -182,6 +182,7 @@ typedef struct ThemeUI {
   unsigned char gizmo_hi[4];
   unsigned char gizmo_primary[4];
   unsigned char gizmo_secondary[4];
+  unsigned char gizmo_view_align[4];
   unsigned char gizmo_a[4];
   unsigned char gizmo_b[4];
 
@@ -200,7 +201,6 @@ typedef struct ThemeUI {
   unsigned char icon_shading[4];
   /** File folders. */
   unsigned char icon_folder[4];
-  char _pad2[4];
   /** Intensity of the border icons. >0 will render an border around themed
    * icons. */
   float icon_border_intensity;

source/blender/makesrna/intern/rna_userdef.c

@@ -1571,6 +1571,12 @@ static void rna_def_userdef_theme_ui(BlenderRNA *brna)
   RNA_def_property_ui_text(prop, "Gizmo Secondary", "");
   RNA_def_property_update(prop, 0, "rna_userdef_theme_update");
 
+  prop = RNA_def_property(srna, "gizmo_view_align", PROP_FLOAT, PROP_COLOR_GAMMA);
+  RNA_def_property_float_sdna(prop, NULL, "gizmo_view_align");
+  RNA_def_property_array(prop, 3);
+  RNA_def_property_ui_text(prop, "Gizmo View Align", "");
+  RNA_def_property_update(prop, 0, "rna_userdef_theme_update");
+
   prop = RNA_def_property(srna, "gizmo_a", PROP_FLOAT, PROP_COLOR_GAMMA);
   RNA_def_property_float_sdna(prop, NULL, "gizmo_a");
   RNA_def_property_array(prop, 3);