Some dialog pict fixes

- Pict choice dialog didn't work for present monster graphics
- Icon control is a little smarter when setting its picnum

osx/dialogxml/dlogutil.cpp

@@ -26,9 +26,9 @@ const size_t cPictChoice::per_page = 36;
 cPictChoice::cPictChoice(std::vector<pic_num_t>& pics,ePicType t,cDialog* parent) : cPictChoice(pics.begin(), pics.end(), t, parent) {}
 
 cPictChoice::cPictChoice(std::vector<std::pair<pic_num_t,ePicType>>& pics,cDialog* parent) : dlg("choose-pict.xml",parent) {
-	attachHandlers();
 	picts = pics;
 	sort(picts.begin(),picts.end());
+	attachHandlers();
 }
 
 cPictChoice::cPictChoice(

osx/dialogxml/pict.cpp

@@ -139,15 +139,27 @@ void cPict::setPict(pic_num_t num, ePicType type){
 			frame.right = frame.left + 12;
 			frame.bottom = frame.top + 12;
 			break;
+		case PIC_MONST:
+			if(picNum < 1000) {
+				if(m_pic_index[num].x == 2) picType += PIC_WIDE;
+				if(m_pic_index[num].y == 2) picType += PIC_TALL;
+			}
+			// Intentional fallthrough
 		default:
 			frame.right = frame.left + 28;
 			frame.bottom = frame.top + 36;
 			break;
 	}
+	if(picNum >= 1000) {
+		picNum -= 1000;
+		picType += PIC_CUSTOM;
+	}
 }
 
 void cPict::setPict(pic_num_t num) {
-	picNum = num;
+	if(picType - PIC_LARGE == PIC_MONST)
+		setPict(num, PIC_MONST);
+	else setPict(num, picType - PIC_CUSTOM);
 }
 
 pic_num_t cPict::getPicNum(){

osx/dialogxml/pict.h

@@ -121,6 +121,12 @@ public:
 	/// you will need to separately update the bounding rect.
 	/// (The bounding rect is mostly ignored when drawing, so if the icon is opaque, the control is not clickable,
 	/// and there is no frame, you can usually safely skip this step.)
+	///
+	/// This function applies a few automatic adjustments to its input:
+	///
+	/// - If type is PIC_MONST, it automatically looks up the chosen icon to determine
+	/// whether it should apply the tall or wide modifiers.
+	/// - If num is 1000 or greater, it automatically subtracts 1000 and applies the custom modifier.
 	void setPict(pic_num_t num, ePicType type);
 	/// Set the pict's icon.
 	/// @param num The new icon index.