CatServer/patches/net/minecraft/client/gui/GuiScreen.java.patch

--- ../src-base/minecraft/net/minecraft/client/gui/GuiScreen.java
+++ ../src-work/minecraft/net/minecraft/client/gui/GuiScreen.java
@@ -61,6 +61,7 @@
     private int touchValue;
     private URI clickedLinkURI;
     private boolean focused;
+    protected boolean keyHandled, mouseHandled; // Forge: allow canceling key and mouse Post events from handleMouseInput and handleKeyboardInput
 
     public void drawScreen(int mouseX, int mouseY, float partialTicks)
     {
@@ -131,7 +132,10 @@
 
     protected void renderToolTip(ItemStack stack, int x, int y)
     {
-        this.drawHoveringText(this.getItemToolTip(stack), x, y);
+        FontRenderer font = stack.getItem().getFontRenderer(stack);
+        net.minecraftforge.fml.client.config.GuiUtils.preItemToolTip(stack);
+        this.drawHoveringText(this.getItemToolTip(stack), x, y, (font == null ? fontRenderer : font));
+        net.minecraftforge.fml.client.config.GuiUtils.postItemToolTip();
     }
 
     public List<String> getItemToolTip(ItemStack p_191927_1_)
@@ -170,7 +174,13 @@
 
     public void drawHoveringText(List<String> textLines, int x, int y)
     {
-        if (!textLines.isEmpty())
+        drawHoveringText(textLines, x, y, fontRenderer);
+    }
+
+    protected void drawHoveringText(List<String> textLines, int x, int y, FontRenderer font)
+    {
+        net.minecraftforge.fml.client.config.GuiUtils.drawHoveringText(textLines, x, y, width, height, -1, font);
+        if (false && !textLines.isEmpty())
         {
             GlStateManager.disableRescaleNormal();
             RenderHelper.disableStandardItemLighting();
@@ -403,10 +413,13 @@
 
     public void sendChatMessage(String msg, boolean addToChat)
     {
+        msg = net.minecraftforge.event.ForgeEventFactory.onClientSendMessage(msg);
+        if (msg.isEmpty()) return;
         if (addToChat)
         {
             this.mc.ingameGUI.getChatGUI().addToSentMessages(msg);
         }
+        if (net.minecraftforge.client.ClientCommandHandler.instance.executeCommand(mc.player, msg) != 0) return;
 
         this.mc.player.sendChatMessage(msg);
     }
@@ -421,9 +434,15 @@
 
                 if (guibutton.mousePressed(this.mc, mouseX, mouseY))
                 {
+                    net.minecraftforge.client.event.GuiScreenEvent.ActionPerformedEvent.Pre event = new net.minecraftforge.client.event.GuiScreenEvent.ActionPerformedEvent.Pre(this, guibutton, this.buttonList);
+                    if (net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(event))
+                        break;
+                    guibutton = event.getButton();
                     this.selectedButton = guibutton;
                     guibutton.playPressSound(this.mc.getSoundHandler());
                     this.actionPerformed(guibutton);
+                    if (this.equals(this.mc.currentScreen))
+                        net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.ActionPerformedEvent.Post(this, event.getButton(), this.buttonList));
                 }
             }
         }
@@ -453,8 +472,12 @@
         this.fontRenderer = mc.fontRenderer;
         this.width = width;
         this.height = height;
+        if (!net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.InitGuiEvent.Pre(this, this.buttonList)))
+        {
         this.buttonList.clear();
         this.initGui();
+        }
+        net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.InitGuiEvent.Post(this, this.buttonList));
     }
 
     public void setGuiSize(int w, int h)
@@ -473,7 +496,10 @@
         {
             while (Mouse.next())
             {
+                this.mouseHandled = false;
+                if (net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.MouseInputEvent.Pre(this))) continue;
                 this.handleMouseInput();
+                if (this.equals(this.mc.currentScreen) && !this.mouseHandled) net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.MouseInputEvent.Post(this));
             }
         }
 
@@ -481,7 +507,10 @@
         {
             while (Keyboard.next())
             {
+                this.keyHandled = false;
+                if (net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.KeyboardInputEvent.Pre(this))) continue;
                 this.handleKeyboardInput();
+                if (this.equals(this.mc.currentScreen) && !this.keyHandled) net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.KeyboardInputEvent.Post(this));
             }
         }
     }
@@ -543,6 +572,7 @@
     public void drawDefaultBackground()
     {
         this.drawWorldBackground(0);
+        net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.client.event.GuiScreenEvent.BackgroundDrawnEvent(this));
     }
 
     public void drawWorldBackground(int tint)