feat: disable connect button when host, port and nickname are empty

ui/mainscreen/mainscreen.go

@@ -225,10 +225,10 @@ func (s *State) SetSize(width, height int) {
 	s.InputBox.SetSize(width)
 	s.SidePanel.SetSize(width, height, s.InputBox.Style.GetVerticalFrameSize())
 
-	// We floor here because width is an int and some fractions are lost
+	// We floor because width is an int and some fractions are lost when casting
 	// and also because we ceil the sidepanel's width
 	// -3 for the tab bar height
-	newWidth := int(math.Floor(float64(width)*8.0/10.0) - float64(s.Viewport.Style.GetHorizontalFrameSize()))
+	newWidth := int(math.Floor(float64(width)*8/10) - float64(s.Viewport.Style.GetHorizontalFrameSize()))
 	newHeight := height - s.InputBox.Style.GetVerticalFrameSize() - s.Viewport.Style.GetVerticalFrameSize() - 3
 
 	s.Viewport.Width = newWidth

ui/mainscreen/sidepanel.go

@@ -119,7 +119,7 @@ func (s *SidePanelState) UpdateNicks() {
 func (s *SidePanelState) SetSize(width, height, inputboxHeight int) {
 	// We ceil here because width is an int and some fractions are lost
 	// -1 is for some extra invisible margin or padding between the sidepanel and the inputbox
-	newWidth := int(math.Ceil(math.Ceil((float64(width) * 2.0 / 10.0)) - float64(s.Viewport.Style.GetHorizontalFrameSize())))
+	newWidth := int(math.Ceil(math.Ceil((float64(width) * 2 / 10)) - float64(s.Viewport.Style.GetHorizontalFrameSize())))
 	newHeight := height - inputboxHeight - s.Viewport.Style.GetVerticalFrameSize() - 1
 
 	s.Viewport.Style = s.Viewport.Style.Width(newWidth)

ui/mainscreen/styles.go

@@ -95,11 +95,11 @@ var (
 	leftArrowDim = tab.Copy().
 			Border(leftArrowBorder, true).
 			BorderForeground(ui.PrimaryColor).
-			Foreground(ui.ArrowsDimColor)
+			Foreground(ui.DisabledColor)
 	rightArrowDim = tab.Copy().
 			Border(rightArrowBorder, true).
 			BorderForeground(ui.PrimaryColor).
-			Foreground(ui.ArrowsDimColor)
+			Foreground(ui.DisabledColor)
 
 	leftArrowLit = tab.Copy().
 			Border(leftArrowBorder, true).