UI: added support for enable buttons in the panel header.

3 files changed, 21 insertions, 19 deletions

diff --git a/source/blender/editors/interface/interface_panel.c b/source/blender/editors/interface/interface_panel.c
index 96683750062..5cb06845bdf 100644
--- a/source/blender/editors/interface/interface_panel.c
+++ b/source/blender/editors/interface/interface_panel.c
@@ -297,16 +297,16 @@ static void ui_offset_panel_block(uiBlock *block)
 {
 	uiStyle *style= U.uistyles.first;
 	uiBut *but;
-	int space= style->panelspace;
+	int ofsy;
 
-	/* buttons min/max centered, offset calculated */
+	/* compute bounds and offset */
 	ui_bounds_block(block);
 
+	ofsy= block->panel->sizey - style->panelspace;
+
 	for(but= block->buttons.first; but; but=but->next) {
-		but->x1= space + (but->x1-block->minx);
-		but->y1= space + (but->y1-block->miny);
-		but->x2= space + (but->x2-block->minx);
-		but->y2= space + (but->y2-block->miny);
+		but->y1 += ofsy;
+		but->y2 += ofsy;
 	}
 
 	block->maxx= block->panel->sizex;
@@ -453,6 +453,8 @@ static void ui_draw_aligned_panel_header(ARegion *ar, uiStyle *style, uiBlock *b
 	/* + 0.001f to avoid flirting with float inaccuracy */
 	if(panel->control & UI_PNL_CLOSE) pnl_icons=(2*PNL_ICON+5)/block->aspect + 0.001f;
 	else pnl_icons= (PNL_ICON+5)/block->aspect + 0.001f;
+
+	pnl_icons += panel->labelofs;
 	
 	if(nr==1) {
 		
@@ -831,7 +833,7 @@ void uiEndPanels(const bContext *C, ARegion *ar)
 	uiBlock *block;
 	Panel *panot, *panew, *patest, *pa;
 	
-	/* scaling contents */
+	/* offset contents */
 	for(block= ar->uiblocks.first; block; block= block->next)
 		if(block->active && block->panel)
 			ui_offset_panel_block(block);
diff --git a/source/blender/editors/screen/area.c b/source/blender/editors/screen/area.c
index 4920182c16b..2e551a26b73 100644
--- a/source/blender/editors/screen/area.c
+++ b/source/blender/editors/screen/area.c
@@ -968,7 +968,7 @@ void ED_region_panels(const bContext *C, ARegion *ar, int vertical, char *contex
 	Panel *panel;
 	View2D *v2d= &ar->v2d;
 	float col[3];
-	int xco, yco, x, y, miny=0, w, em, header, open;
+	int xco, yco, x, y, miny=0, w, em, header, triangle, open;
 
 	if(vertical) {
 		w= v2d->cur.xmax - v2d->cur.xmin;
@@ -980,6 +980,7 @@ void ED_region_panels(const bContext *C, ARegion *ar, int vertical, char *contex
 	}
 
 	header= 20; // XXX
+	triangle= 22;
 	x= 0;
 	y= -style->panelouter;
 
@@ -1003,18 +1004,17 @@ void ED_region_panels(const bContext *C, ARegion *ar, int vertical, char *contex
 			if(vertical)
 				y -= header;
 
-			/* XXX enable buttons test */
-#if 0
-			panel->layout= uiBlockLayout(block, UI_LAYOUT_HORIZONTAL, UI_LAYOUT_HEADER,
-				header+style->panelspace, header+style->panelspace, header, 1, style);
+			if(pt->draw_header) {
+				/* for enabled buttons */
+				panel->layout= uiBlockLayout(block, UI_LAYOUT_HORIZONTAL, UI_LAYOUT_HEADER,
+					triangle, header+style->panelspace, header, 1, style);
 
-			if(pt->draw_header)
 				pt->draw_header(C, panel);
-			else
-				uiItemL(panel->layout, pt->label, 0);
 
-			panel->layout= NULL;
-#endif
+				uiBlockLayoutResolve(C, block, &xco, &yco);
+				panel->labelofs= xco - triangle;
+				panel->layout= NULL;
+			}
 
 			if(open) {
 				panel->type= pt;
@@ -1143,6 +1143,5 @@ void ED_region_header(const bContext *C, ARegion *ar)
 void ED_region_header_init(ARegion *ar)
 {
 	UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
-	ar->v2d.flag &= ~(V2D_PIXELOFS_X|V2D_PIXELOFS_Y); // XXX temporary
 }
 
diff --git a/source/blender/makesdna/DNA_screen_types.h b/source/blender/makesdna/DNA_screen_types.h
index 4a39744c1dc..418cc84205a 100644
--- a/source/blender/makesdna/DNA_screen_types.h
+++ b/source/blender/makesdna/DNA_screen_types.h
@@ -97,10 +97,11 @@ typedef struct Panel {		/* the part from uiBlock that needs saved in file */
 	char panelname[64], tabname[64];	/* defined as UI_MAX_NAME_STR */
 	char drawname[64];					/* panelname is identifier for restoring location */
 	short ofsx, ofsy, sizex, sizey;
+	short labelofs, pad;
 	short flag, runtime_flag;
 	short control;
 	short snap;
-	int sortorder, pad;			/* panels are aligned according to increasing sortorder */
+	int sortorder;			/* panels are aligned according to increasing sortorder */
 	struct Panel *paneltab;		/* this panel is tabbed in *paneltab */
 	void *activedata;			/* runtime for panel manipulation */
 } Panel;