Dropped tab layout, floating info window and clean

No longer using tabs, all info in one bottom panel.
Added a floating info window, can open from control bar.
Cleanup vertical widths for scroll bars in some panes.

src/simulator/gui_bottom_tabs.odin

@@ -2,40 +2,30 @@ package simulator
 
 import rl "vendor:raylib"
 
-gui_bottom_tabs :: proc(rect: rl.Rectangle, sim: ^Simulator) {
+gui_bottom_panel :: proc(rect: rl.Rectangle, sim: ^Simulator) {
 	rl.DrawRectangleLinesEx(rect, 1, rl.GRAY)
 
-	// Setup tab bar
-	tabs := [?]cstring{ "Memory", "Log" }
-
-	tab_bar_rect := rl.Rectangle{
-		rect.x,
-		rect.y,
-		rect.width,
-		BUTTON_HEIGHT + PADDING_Y
-	}
-
-	// inside draw loop:
-	rl.GuiTabBar(tab_bar_rect, &tabs[0], i32(len(tabs)), &sim.active_tab)
-
 	memory_view_bounds := rl.Rectangle {
 		x = rect.x + PADDING_X,
-		y = rect.y + PADDING_Y + tab_bar_rect.height,
+		y = rect.y + PADDING_Y,
 		width = (rect.width - (PADDING_X * 2)) / 2,
-		height = rect.height - (PADDING_Y * 2) - tab_bar_rect.height,
+		height = rect.height - (PADDING_Y * 2),
 	}
+	gui_tab_memory(memory_view_bounds, sim)
+
 	disasm_view_bounds := rl.Rectangle {
 		x = rect.x + memory_view_bounds.width + PADDING_X,
-		y = rect.y + PADDING_Y + tab_bar_rect.height,
-		width = (rect.width - (PADDING_X * 2)) / 2,
-		height = rect.height - (PADDING_Y * 2) - tab_bar_rect.height,
+		y = rect.y + PADDING_Y,
+		width = ((rect.width - (PADDING_X * 2)) / 2) / 2,
+		height = rect.height - (PADDING_Y * 2),
 	}
+	gui_tab_disasm(disasm_view_bounds, sim)
 
-	switch sim.active_tab {
-		case 0: // draw registers panel
-			gui_tab_memory(memory_view_bounds, sim)
-			gui_tab_disasm(disasm_view_bounds, sim)
-		case 1: // draw memory panel
-		case 2: // draw display panel
+	stack_view_bounds := rl.Rectangle {
+		x = disasm_view_bounds.x + disasm_view_bounds.width,
+		y = rect.y + PADDING_Y,
+		width = ((rect.width - (PADDING_X * 2)) / 2) / 2,
+		height = rect.height - (PADDING_Y * 2),
 	}
+	gui_tab_stack(stack_view_bounds, sim)
 }