Fix T46909: Text strip not themeable

Normally we don't allow adding new theme options if we can avoid it, but this is a legit exception since all other strips are themeable.

Default color for text strip is now yellow-ish. Not nice but there are also not many other colors left.

source/blender/blenkernel/BKE_blender.h

@@ -42,7 +42,7 @@ extern "C" {
  * and keep comment above the defines.
  * Use STRINGIFY() rather than defining with quotes */
 #define BLENDER_VERSION         276
-#define BLENDER_SUBVERSION      2
+#define BLENDER_SUBVERSION      3
 /* Several breakages with 270, e.g. constraint deg vs rad */
 #define BLENDER_MINVERSION      270
 #define BLENDER_MINSUBVERSION   5

source/blender/blenloader/intern/versioning_270.c

@@ -920,7 +920,7 @@ void blo_do_versions_270(FileData *fd, Library *UNUSED(lib), Main *main)
 
 	}
 
-	{
+	if (!MAIN_VERSION_ATLEAST(main, 276, 3)) {
 		if (!DNA_struct_elem_find(fd->filesdna, "RenderData", "CurveMapping", "mblur_shutter_curve")) {
 			Scene *scene;
 			for (scene = main->scene.first; scene != NULL; scene = scene->id.next) {

source/blender/editors/include/UI_resources.h

@@ -200,8 +200,9 @@ enum {
 	TH_SEQ_EFFECT,
 	TH_SEQ_TRANSITION,
 	TH_SEQ_META,
+	TH_SEQ_TEXT,
 	TH_SEQ_PREVIEW,
-	
+
 	TH_EDGE_SHARP,
 	TH_EDITMESH_ACTIVE,
 	

source/blender/editors/interface/resources.c

@@ -492,6 +492,8 @@ const unsigned char *UI_ThemeGetColorPtr(bTheme *btheme, int spacetype, int colo
 					cp = ts->transition; break;
 				case TH_SEQ_META:
 					cp = ts->meta; break;
+				case TH_SEQ_TEXT:
+					cp = ts->text_strip; break;
 				case TH_SEQ_PREVIEW:
 					cp = ts->preview_back; break;
 
@@ -1062,6 +1064,7 @@ void ui_theme_init_default(void)
 	rgba_char_args_set(btheme->tseq.effect,     169, 84, 124, 255);
 	rgba_char_args_set(btheme->tseq.transition, 162, 95, 111, 255);
 	rgba_char_args_set(btheme->tseq.meta,   109, 145, 131, 255);
+	rgba_char_args_set(btheme->tseq.text_strip,   162, 151, 0, 255);
 	rgba_char_args_set(btheme->tseq.preview_back,   0, 0, 0, 255);
 	rgba_char_args_set(btheme->tseq.grid,   64, 64, 64, 255);
 
@@ -2668,6 +2671,13 @@ void init_userdef_do_versions(void)
 		}
 	}
 
+	if (!USER_VERSION_ATLEAST(276, 3)) {
+		bTheme *btheme;
+		for (btheme = U.themes.first; btheme; btheme = btheme->next) {
+			rgba_char_args_set(btheme->tseq.text_strip, 162, 151, 0, 255);
+		}
+	}
+
 	if (U.pixelsize == 0.0f)
 		U.pixelsize = 1.0f;
 	

source/blender/editors/space_sequencer/sequencer_draw.c

@@ -177,7 +177,11 @@ void color3ubv_from_seq(Scene *curscene, Sequence *seq, unsigned char col[3])
 			blendcol[0] = blendcol[1] = blendcol[2] = 128;
 			if (seq->flag & SEQ_MUTE) UI_GetColorPtrBlendShade3ubv(col, blendcol, col, 0.5, 20);
 			break;
-		
+
+		case SEQ_TYPE_TEXT:
+			UI_GetThemeColor3ubv(TH_SEQ_TEXT, col);
+			break;
+
 		default:
 			col[0] = 10; col[1] = 255; col[2] = 40;
 			break;

source/blender/makesdna/DNA_userdef_types.h

@@ -284,7 +284,7 @@ typedef struct ThemeSpace {
 	char nodeclass_pattern[4], nodeclass_layout[4];
 	
 	char movie[4], movieclip[4], mask[4], image[4], scene[4], audio[4];		/* for sequence editor */
-	char effect[4], transition[4], meta[4];
+	char effect[4], transition[4], meta[4], text_strip[4], pad[4];
 	char editmesh_active[4]; 
 
 	char handle_vertex[4];

source/blender/makesrna/intern/rna_userdef.c

@@ -2548,6 +2548,11 @@ static void rna_def_userdef_theme_space_seq(BlenderRNA *brna)
 	RNA_def_property_ui_text(prop, "Meta Strip", "");
 	RNA_def_property_update(prop, 0, "rna_userdef_update");
 
+	prop = RNA_def_property(srna, "text_strip", PROP_FLOAT, PROP_COLOR_GAMMA);
+	RNA_def_property_array(prop, 3);
+	RNA_def_property_ui_text(prop, "Text Strip", "");
+	RNA_def_property_update(prop, 0, "rna_userdef_update");
+
 	prop = RNA_def_property(srna, "frame_current", PROP_FLOAT, PROP_COLOR_GAMMA);
 	RNA_def_property_float_sdna(prop, NULL, "cframe");
 	RNA_def_property_array(prop, 3);