fix offsets, update dlib, fix buffer realloc

src/dlib

@@ -1 +1 @@
-Subproject commit 85177acdd04a21d0248051f718ef1e57e12f090e
+Subproject commit 27d62beb4195c08bd25bffaa0d9c72b523d971f4

src/editor/buffer.d

@@ -111,9 +111,8 @@ Insert(FlatBuffer* fb, u8[] insert, u64 length, u64 pos)
 {
 	if(fb.length + length > fb.data.length)
 	{
-		FlatBuffer new_buf = CreateFlatBuffer(fb.data);
+		fb.tk.buffer = ReallocArray!(TokenStyle)(fb.tk.buffer, fb.data.length*2);
-		MFreeArray(fb.data);
+		fb.data = ReallocArray!(u8)(fb.data, fb.data.length*2);
-		*fb = new_buf;
 	}
 
 	u64 prev_lf = fb.lf_count;

src/editor/editor.d

@@ -70,8 +70,14 @@ Cycle(EditorCtx* ctx, Inputs* inputs)
 
 	g_input_mode = ctx.state == ES.InputMode;
 
+
 	BeginBuild(inputs);
 
+	if(ctx.state == ES.CmdOpen)
+	{
+		CommandPalette();
+	}
+
 	DrawPanels(ctx.base_panel);
 
 	EndBuild();
@@ -258,6 +264,7 @@ HandleInputs(EditorCtx* ctx, Inputs* inputs)
 						{
 							if(node.value.md & (MD.LeftShift | MD.RightShift))
 							{
+								Logf("cmd open");
 								ctx.state = ES.CmdOpen;
 								taken = true;
 							}

src/editor/ui.d

@@ -44,6 +44,7 @@ enum UIFlags
 	Clickable      = 0x08,
 	Draggable      = 0x10,
 	TextInput      = 0x20,
+	Window         = 0x40,
 }
 
 alias UIF = UIFlags;
@@ -122,8 +123,6 @@ struct UICtx
 
 struct UIStack(T)
 {
-	
-
 	UIStack!(T)* next;
 	T            value;
 }
@@ -354,14 +353,18 @@ ClearStacks(UICtx* ctx)
 
 	static foreach(i; 0 .. ctx.tupleof.length)
 	{
-		static if(
-				isPointer!(typeof(ctx.tupleof[i])) &&
-				hasMember!(typeof(ctx.tupleof[i]), "value") &&
-				is(typeof(*ctx.tupleof[i]): UIStack!(typeof(ctx.tupleof[i].value)))
-				)
 		{
-			ctx.tupleof[i] = null;
+			alias T = typeof(ctx.tupleof[i]);
-			ctx.tupleof[i] = Alloc!(UIStack!(typeof(ctx.tupleof[i].value)))(&ctx.temp_arena);
+
+			static if(
+					isPointer!(T) &&
+					hasMember!(T, "value") &&
+					is(typeof(*ctx.tupleof[i]): UIStack!(typeof(ctx.tupleof[i].value)))
+					)
+			{
+				ctx.tupleof[i] = null;
+				ctx.tupleof[i] = Alloc!(UIStack!(typeof(ctx.tupleof[i].value)))(&ctx.temp_arena);
+			}
 		}
 	}
 }
@@ -373,8 +376,12 @@ Push(string id, T)(T value)
 	import std.traits;
 
 	enum string s = "g_ui_ctx.@".replace("@", id);
+	alias Y = typeof(mixin(s));
 
-	static if(isPointer!(typeof(mixin(s))) && hasMember!(typeof(*mixin(s)), "next"))
+	enum is_ptr = isPointer!(Y);
+	enum has_mem = is_ptr && hasMember!(typeof(*mixin(s)), "next");
+
+	static if(is_ptr && has_mem)
 	{
 		enum stack = true;
 		alias U = typeof(mixin(s~".value"));
@@ -414,12 +421,14 @@ Pop(string stack)()
 	import std.traits;
 
 	enum string s = "g_ui_ctx.@".replace("@", stack);
+	enum string v = s~".value";
+	enum string n = s~".next";
 
 	static assert(isPointer!(typeof(mixin(s))) && hasMember!(typeof(*mixin(s)), "next"));
 
 	assert(mixin(s) != null);
-	auto value = mixin(s~".value");
+	auto value = mixin(v);
-	mixin(s) = mixin(s~".next");
+	mixin(s) = mixin(n);
 	return value;
 }
 
@@ -750,7 +759,7 @@ CalcFixedSizes(UIItem* item)
 		{
 			if(i.size_info[axis].type == ST.Pixels)
 			{
-				i.size.v[axis] = i.size_info[axis].value + i.adjustment.v[axis] + fabsf(i.offset.v[axis]) + (i.padding.v[axis] * 2.0);
+				i.size.v[axis] = i.size_info[axis].value + i.adjustment.v[axis] + (i.padding.v[axis] * 2.0);
 				assert(!isNaN(i.size.v[axis]));
 			}
 		}
@@ -766,7 +775,7 @@ CalcPercentageSizes(UIItem* item)
 		{
 			if(i.size_info[axis].type == ST.Percentage)
 			{
-				i.size.v[axis] = (i.parent.size.v[axis]*i.size_info[axis].value) + fabsf(i.adjustment.v[axis]) + i.offset.v[axis];
+				i.size.v[axis] = (i.parent.size.v[axis]*i.size_info[axis].value) + fabsf(i.adjustment.v[axis]);
 				assert(!isNaN(i.size.v[axis]));
 			}
 		}
@@ -779,14 +788,24 @@ CalcPositions(alias axis)(UIItem* item)
 	f32 pos = 0.0;
 	for(UIItem* i = item; !Nil(i);)
 	{
-		f32 end_pos = pos + i.size.v[axis] + i.offset.v[axis];
+		f32 end_pos = 0.0, next_pos = 0.0;
-		i.rect.vec0.v[axis] = pos + i.offset.v[axis];
+		if(i.flags & UIF.Window)
-		i.rect.vec1.v[axis] = end_pos;
+		{
+			end_pos = i.size.v[axis] + i.offset.v[axis];
+			i.rect.vec0.v[axis] = i.offset.v[axis];
+			i.rect.vec1.v[axis] = end_pos;
+		}
+		else
+		{
+			end_pos = pos + i.size.v[axis];
+			i.rect.vec0.v[axis] = pos + i.offset.v[axis];
+			i.rect.vec1.v[axis] = end_pos + i.offset.v[axis];
 
-		assert(!isNaN(i.rect.vec0.v[axis]));
+			assert(!isNaN(i.rect.vec0.v[axis]));
-		assert(!isNaN(i.rect.vec1.v[axis]));
+			assert(!isNaN(i.rect.vec1.v[axis]));
 
-		f32 next_pos = i.parent.layout_axis == axis ? end_pos : pos;
+			next_pos = i.parent.layout_axis == axis ? end_pos : pos;
+		}
 
 		if(!Nil(i.first))
 		{
@@ -900,13 +919,13 @@ RecurseB(UIItem* item)
 }
 
 void
-BuildItem(UIItem* item, UISize size_x, UISize size_y, UIFlags properties)
+BuildItem(UIItem* item, UISize size_x, UISize size_y, UIFlags flags)
 {
 	UICtx* ctx = GetCtx();
 
-	item.first = item.last = item.next = item.prev = g_UI_NIL;
+	item.first = item.last = item.next = item.prev = item.parent = g_UI_NIL;
 	
-	item.flags = properties;
+	item.flags = flags;
 	item.size_info[A2D.X] = size_x;
 	item.size_info[A2D.Y] = size_y;
 	item.level = ctx.panel_level;
@@ -924,10 +943,27 @@ BuildItem(UIItem* item, UISize size_x, UISize size_y, UIFlags properties)
 	item.culling.vec0 = Vec2(0.0);
 	item.culling.vec1 = Vec2(0.0);
 
-	item.parent = ctx.top_parent == g_UI_NIL_NODE ? g_UI_NIL : ctx.top_parent.item;
+	if(flags & UIF.Window)
-	if(!Nil(item.parent))
 	{
-		DLLPush(item.parent, item, g_UI_NIL);
+		assert(ctx.root != g_UI_NIL);
+		auto n = ctx.root;
+		for(;;)
+		{
+			if(Nil(n.next))
+			{
+				n.next = item;
+				item.prev = n;
+				break;
+			}
+		}
+	}
+	else
+	{
+		item.parent = ctx.top_parent == g_UI_NIL_NODE ? g_UI_NIL : ctx.top_parent.item;
+		if(!Nil(item.parent))
+		{
+			DLLPush(item.parent, item, g_UI_NIL);
+		}
 	}
 
 	debug ctx.item_count += 1;

src/editor/widgets.d

@@ -411,16 +411,18 @@ TextClicked(TextPart* text_part)
 {
 	bool result = false;
 
+	alias result res;
+
 	for(TextPart* tp = text_part; !Nil(tp.item); tp = tp.next)
 	{
 		if(tp.item.signal & UIS.Clicked)
 		{
-			result = true;
+			res = true;
 			break;
 		}
 	}
 
-	return result;
+	return res;
 }
 
 TextPart*
@@ -458,6 +460,38 @@ WrappedTextLine(u8[] text, u8[] parent_id, f32 text_size, u64 line_no)
 	return part;
 }
 
+UIItem*
+CommandPalette()
+{
+	Vec2 size = RootSize();
+
+
+	f32 x = size.x*0.3;
+	f32 y = size.y*0.2;
+	f32 w = size.x*0.4;
+	f32 h = size.y*0.3;
+
+	Logf("%s %s %s %s %s", size.v, x, y, w, h);
+
+	UIItem* window = Window(CastStr!(u8)("##cmd_palette"), x, y, w, h);
+
+	return window;
+}
+
+UIItem*
+Window(u8[] id, f32 x, f32 y, f32 w, f32 h)
+{
+	UIItem* item = Get(id);
+
+	Push!("offset")(Vec2(x, y));
+
+	BuildItem(item, UISize(ST.Pixels, x), UISize(ST.Pixels, y), UIF.Window|UIF.DrawBackground|UIF.DrawBorder);
+
+	Pop!("offset")();
+
+	return item;
+}
+
 void
 EndPanel()
 {