bugfix, filter display improvement

core.lua

@@ -111,7 +111,7 @@ function public.VARIABLES_LOADED()
 		btn:SetWidth(65)
 		btn:SetHeight(24)
 		btn:SetText('Close')
-		btn:SetScript('OnClick', m._(m.frame.hide, m.frame))
+		btn:SetScript('OnClick', m._(m.frame.Hide, m.frame))
 		public.close_button = btn
 	end
 

tabs/search/core.lua

@@ -521,7 +521,7 @@ end
 
 function private.blizzard_level(str)
     if tonumber(str) then
-        return aux.util.round(max(1, min(60, tonumber(str))))
+        return aux.util.round(aux.util.bound(1, 60, tonumber(str)))
     end
 end
 
@@ -911,21 +911,39 @@ do
 
 	function private.update_filter_display()
 		text = aux.filter.indented_post_query_string(m.post_components)
-		m.filter_display:SetWidth(m.filter_display_width())
+		m.filter_display:SetWidth(m.filter_display_size())
+		m.set_filter_display_offset()
 		m.filter_display:SetText(text)
 	end
 
-	function private.filter_display_width()
-		local widest_line = 0
+	function private.filter_display_size()
+		local font, font_size = m.filter_display:GetFont()
+		m.filter_display.measure:SetFont(font, font_size)
+		local lines = 0
+		local width = 0
+
 		for line in string.gfind(text, '<p>(.-)</p>') do
-			m.filter_display.measure:SetFont(m.filter_display:GetFont())
+			lines = lines + 1
 			m.filter_display.measure:SetText(line)
-			widest_line = max(widest_line, m.filter_display.measure:GetStringWidth())
+			width = max(width, m.filter_display.measure:GetStringWidth())
 		end
-		return widest_line
+
+		return width, lines*font_size
 	end
 end
 
+function private.set_filter_display_offset(x_offset, y_offset)
+	local scroll_frame = m.filter_display:GetParent()
+	x_offset, y_offset = x_offset or scroll_frame:GetHorizontalScroll(), y_offset or scroll_frame:GetVerticalScroll()
+	local width, height = m.filter_display_size()
+	local x_lower_bound = min(0, scroll_frame:GetWidth() - width - 2)
+	local x_upper_bound = 0
+	local y_lower_bound = 0
+	local y_upper_bound = max(0, height - scroll_frame:GetHeight() + 2)
+	scroll_frame:SetHorizontalScroll(aux.util.bound(x_lower_bound, x_upper_bound, x_offset))
+	scroll_frame:SetVerticalScroll(aux.util.bound(y_lower_bound, y_upper_bound, y_offset))
+end
+
 function private.new_recent_search(filter_string, prettified)
 	tinsert(aux_recent_searches, 1, {
 		filter_string = filter_string,

tabs/search/frames.lua

@@ -535,7 +535,7 @@ function private.create_frames()
 	    scroll_frame:EnableMouseWheel(true)
 	    scroll_frame:SetScript('OnMouseWheel', function()
 		    local child = this:GetScrollChild()
-		    child:SetFont('p', [[Fonts\ARIALN.TTF]], max(10, min(26, aux.util.select(2, child:GetFont()) + arg1*2)))
+		    child:SetFont('p', [[Fonts\ARIALN.TTF]], aux.util.bound(10, 26, aux.util.select(2, child:GetFont()) + arg1*2))
 		    m.update_filter_display()
 	    end)
 	    scroll_frame:RegisterForDrag('LeftButton')
@@ -548,8 +548,8 @@ function private.create_frames()
 			    local new_x_offset = this.x_offset + x - this.x
 			    local new_y_offset = this.y_offset + y - this.y
 
-			    this:SetHorizontalScroll(min(0, max((this:GetWidth() - m.filter_display_width())*m.filter_display:GetScale() - 2, new_x_offset - this.x_extra)))
-			    this:SetVerticalScroll(max(0, new_y_offset - this.y_extra))
+			    m.set_filter_display_offset(new_x_offset - this.x_extra, new_y_offset - this.y_extra)
+
 			    this.x_extra = max(this.x_extra, new_x_offset)
 			    this.y_extra = min(this.y_extra, new_y_offset)
 		    end)

util/core.lua

@@ -1,5 +1,9 @@
 local m, public, private = aux.module'util'
 
+function public.bound(lower_bound, upper_bound, number)
+	return max(lower_bound, min(upper_bound, number))
+end
+
 function public.size(t)
 	local x = 0
 	for _ in t do
@@ -33,7 +37,10 @@ function public.values(t)
 end
 
 function public.select(i, ...)
-	return arg[i]
+	for _=1,i-1 do
+		tremove(arg, 1)
+	end
+	return unpack(arg)
 end
 
 function public.eq(t1, t2)