Implement parent component hover state handling.

Crawler/Menu.cpp

@@ -56,7 +56,7 @@ void Menu::CheckClickAndPerformMenuSelect(Crawler*game){
 }
 
 void Menu::HoverMenuSelect(Crawler*game){
-	if(selection==vi2d{-1,-1})return;
+	if(selection==vi2d{-1,-1}||buttons[selection.y][selection.x]->disabled)return;
 	if(buttons[selection.y][selection.x]->draggable)
 		if(buttonHoldTime<"ThemeGlobal.MenuHoldTime"_F)CheckClickAndPerformMenuSelect(game);
 		else{
@@ -67,7 +67,7 @@ void Menu::HoverMenuSelect(Crawler*game){
 }
 
 void Menu::MenuSelect(Crawler*game){
-	if(selection==vi2d{-1,-1})return;
+	if(selection==vi2d{-1,-1}||buttons[selection.y][selection.x]->disabled)return;
 	buttons[selection.y][selection.x]->onClick(MenuFuncData{*this,game,buttons[selection.y][selection.x]});
 	if(buttons[selection.y][selection.x]->menuDest!=MenuType::ENUM_END){
 		if(stack.size()<32){
@@ -90,7 +90,9 @@ void Menu::Update(Crawler*game){
 
 	for(auto&key:buttons){
 		for(auto&button:key.second){
-			button->hovered=false;
+			if(!button->disabled){
+				button->hovered=false;
+			}
 		}
 	}
 	if(!MOUSE_NAVIGATION){
@@ -99,12 +101,14 @@ void Menu::Update(Crawler*game){
 		for(auto&key:buttons){
 			int index=0;
 			for(auto&button:key.second){
-				if(geom2d::overlaps(geom2d::rect<float>{button->rect.pos+pos,button->rect.size},game->GetMousePos())){
+				if(!button->disabled){
-					button->hovered=true;
+					if(button->GetHoverState(game)){
-					selection.y=key.first;
+						button->hovered=true;
-					selection.x=index;
+						selection.y=key.first;
+						selection.x=index;
+					}
+					index++;
 				}
-				index++;
 			}
 		}
 	}
@@ -132,13 +136,13 @@ void Menu::Update(Crawler*game){
 	for(auto&key:buttons){
 		for(auto&button:key.second){
 			if(button->renderInMain){
-				button->Update(game);
+				button->_Update(game);
 			}
 		}
 	}
 	for(auto&component:displayComponents){
 		if(component->renderInMain){
-			component->Update(game);
+			component->_Update(game);
 		}
 	}
 };
@@ -157,13 +161,13 @@ void Menu::Draw(Crawler*game){
 	for(auto&key:buttons){
 		for(auto&button:key.second){
 			if(button->renderInMain){
-				button->Draw(game,{0,0},this==Menu::stack.back());
+				button->_Draw(game,{0,0},this==Menu::stack.back());
 			}
 		}
 	}
 	for(auto&component:displayComponents){
 		if(component->renderInMain){
-			component->Draw(game,{0,0},this==Menu::stack.back());
+			component->_Draw(game,{0,0},this==Menu::stack.back());
 		}
 	}
 	game->SetPixelMode(prevMode);
@@ -173,13 +177,13 @@ void Menu::Draw(Crawler*game){
 	for(auto&key:buttons){
 		for(auto&button:key.second){
 			if(button->renderInMain){
-				button->DrawDecal(game,pos,this==Menu::stack.back());
+				button->_DrawDecal(game,pos,this==Menu::stack.back());
 			}
 		}
 	}
 	for(auto&component:displayComponents){
 		if(component->renderInMain){
-			component->DrawDecal(game,pos,this==Menu::stack.back());
+			component->_DrawDecal(game,pos,this==Menu::stack.back());
 		}
 	}
 
@@ -220,6 +224,7 @@ void Menu::OpenMenu(MenuType menu){
 }
 
 void Menu::KeyboardButtonNavigation(Crawler*game,vf2d menuPos){
+	vi2d prevSelection=selection;
 	if(game->GetKey(RIGHT).bPressed){
 		if(selection==vi2d{-1,-1})return;
 		MOUSE_NAVIGATION=false;
@@ -345,6 +350,10 @@ void Menu::KeyboardButtonNavigation(Crawler*game,vf2d menuPos){
 			buttonHoldTime=0;
 		}
 	}
+	if(prevSelection!=selection){
+		if(selection!=vi2d{-1,-1}&&buttons[selection.y][selection.x]->disabled)selection=prevSelection; 
+		// If the new selection of a button on this frame is disabled for some reason, we need to go back to what we had selected before.
+	}
 }
 
 void Menu::DrawScaledWindowBorder(Crawler*game,vf2d menuPos){

Crawler/MenuComponent.cpp

@@ -15,6 +15,12 @@ void MenuComponent::Update(Crawler*game){
 	}
 }
 
+void MenuComponent::_Update(Crawler*game){
+	if(!disabled){
+		Update(game);
+	}
+}
+
 void MenuComponent::Draw(Crawler*game,vf2d parentPos,bool focused){
 	game->FillRect(rect.pos+parentPos,rect.size,PixelLerp(Menu::themes[Menu::themeSelection].GetButtonCol(),Menu::themes[Menu::themeSelection].GetHighlightCol(),hoverEffect/"ThemeGlobal.HighlightTime"_F)*(focused?1:"ThemeGlobal.MenuUnfocusedColorMult"_F));
 	if(border){
@@ -23,12 +29,37 @@ void MenuComponent::Draw(Crawler*game,vf2d parentPos,bool focused){
 	game->DrawStringProp(rect.pos+parentPos+rect.size/2-game->GetTextSizeProp(label)/2,label,focused?WHITE:WHITE*"ThemeGlobal.MenuUnfocusedColorMult"_F);
 }
 
+void MenuComponent::_Draw(Crawler*game,vf2d parentPos,bool focused){
+	if(!disabled){
+		Draw(game,parentPos,focused);
+	}
+}
+
 void MenuComponent::DrawDecal(Crawler*game,vf2d parentPos,bool focused){}
 
+void MenuComponent::_DrawDecal(Crawler*game,vf2d parentPos,bool focused){
+	if(!disabled){
+		DrawDecal(game,parentPos,focused);
+	}
+}
+
 MenuComponent*MenuComponent::PickUpDraggableItem(){
 	return nullptr;
 }
 
 bool MenuComponent::DropDraggableItem(MenuComponent*draggable){
 	return false;
+}
+
+bool MenuComponent::GetHoverState(Crawler*game){
+	if(parentComponent!=nullptr){
+		return parentComponent->GetHoverState(game,this);
+	}else{
+		vf2d parentWindowPos=Menu::menus[parentMenu]->pos;
+		return geom2d::overlaps(geom2d::rect<float>{rect.pos+parentWindowPos,rect.size},game->GetMousePos());
+	}
+}
+
+bool MenuComponent::GetHoverState(Crawler*game,MenuComponent*child){
+	return false;
 }

Crawler/MenuComponent.h

@@ -8,6 +8,7 @@ class MenuComponent{
     MenuType menuDest;
 private:
     float hoverEffect=0;
+    virtual bool GetHoverState(Crawler*game);
 protected:
     geom2d::rect<float>rect;
     std::string label;
@@ -15,15 +16,21 @@ protected:
     bool draggable=false;
     MenuFunc onClick;
     MenuType parentMenu=MenuType::ENUM_END;
+    MenuComponent*parentComponent=nullptr;
     bool hovered=false;
     bool selectable=true;
+    bool disabled=false; //If set to true, this component will not be rendered or updated.
     bool renderInMain=true; //If set to false, this component is the responsibility of some other windowing system and won't be rendered or updated via the main window loop.
-public:
-    MenuComponent(MenuType parent,geom2d::rect<float>rect,std::string label,MenuFunc onClick,bool selectable=true);
-    MenuComponent(MenuType parent,geom2d::rect<float>rect,std::string label,MenuType menuDest,MenuFunc onClick,bool selectable=true);
     virtual void Update(Crawler*game);
     virtual void Draw(Crawler*game,vf2d parentPos,bool focused);
     virtual void DrawDecal(Crawler*game,vf2d parentPos,bool focused);
+    virtual bool GetHoverState(Crawler*game,MenuComponent*child);
+public:
+    MenuComponent(MenuType parent,geom2d::rect<float>rect,std::string label,MenuFunc onClick,bool selectable=true);
+    MenuComponent(MenuType parent,geom2d::rect<float>rect,std::string label,MenuType menuDest,MenuFunc onClick,bool selectable=true);
+    void _Update(Crawler*game);
+    void _Draw(Crawler*game,vf2d parentPos,bool focused);
+    void _DrawDecal(Crawler*game,vf2d parentPos,bool focused);
     //We picked up a draggable component, we should make a copy and return it here. If a nullptr is returned here, the pickup is not allowed.
     //WARNING!!! This allocates a brand new component when successful!!! Be prepared to clear it!
     virtual MenuComponent*PickUpDraggableItem();

Crawler/ScrollableWindowComponent.h

@@ -9,6 +9,10 @@ protected:
     std::vector<MenuComponent*>components;
     vf2d scrollOffset{};
     geom2d::rect<float>bounds;
+private:
+    inline bool OnScreen(MenuComponent*component){
+        return geom2d::overlaps(rect,geom2d::rect<float>{component->rect.pos+scrollOffset,component->rect.size});
+    }
 public:
     inline ScrollableWindowComponent(MenuType parent,geom2d::rect<float>rect,Decal*icon,MenuFunc onClick)
         :MenuComponent(parent,rect,"",onClick,false){
@@ -17,8 +21,18 @@ public:
 protected:
     virtual inline void Update(Crawler*game)override{
 	    MenuComponent::Update(game);
+
+        if(game->GetMouseWheel()!=0){
+            if(game->GetMouseWheel()>0){
+                scrollOffset.y-=4;
+            }else{
+                scrollOffset.y+=4;
+            }
+        }
+
         for(MenuComponent*component:components){
-            component->Update(game);
+            component->disabled=!OnScreen(component);
+            component->_Update(game);
         }
     }
     virtual inline void Draw(Crawler*game,vf2d parentPos,bool focused)override{
@@ -27,7 +41,7 @@ protected:
         game->SetDrawTarget(r.Sprite());
         game->Clear(BLANK);
         for(MenuComponent*component:components){
-            component->Draw(game,scrollOffset,focused);
+            component->_Draw(game,scrollOffset,focused);
         }
         game->SetDrawTarget(prevDrawTarget);
         game->DrawSprite(parentPos,r.Sprite());
@@ -36,13 +50,17 @@ protected:
 	    MenuComponent::DrawDecal(game,parentPos,focused);
         game->DrawRectDecal(parentPos,rect.size);
         for(MenuComponent*component:components){
-            component->DrawDecal(game,parentPos+scrollOffset,focused);
+            component->_DrawDecal(game,parentPos+scrollOffset,focused);
         }
     }
+    virtual bool GetHoverState(Crawler*game,MenuComponent*child)override{
+		return geom2d::overlaps(geom2d::rect<float>{Menu::menus[parentMenu]->pos+child->rect.pos+scrollOffset,child->rect.size},game->GetMousePos());
+    }
 public:
     void inline AddComponent(Menu*parentMenu,std::string key,MenuComponent*button){
         components.push_back(button);
         button->renderInMain=false; //Now we are in control!
+        button->parentComponent=this;
 
         if(button->rect.pos.x<bounds.pos.x){
             float sizeIncrease=bounds.pos.x-button->rect.pos.x;

Crawler/Version.h

@@ -2,7 +2,7 @@
 #define VERSION_MAJOR 0
 #define VERSION_MINOR 2
 #define VERSION_PATCH 0
-#define VERSION_BUILD 1972
+#define VERSION_BUILD 1988
 
 #define stringify(a) stringify_(a)
 #define stringify_(a) #a