themes

type BackgroundStyle struct {
	Fill    glui.Rect
	Outline glui.Rect
}

type ButtonStyle struct {
	Padding    float32
	Background BackgroundStyle
	Hover      glui.Rect
}

type CheckboxStyle struct {
	Padding    float32
	Foreground glen.Color
	Check      glui.Widget
	Uncheck    glui.Widget
}

type Dropdown struct {
	Alignment    glui.Alignment
	MaxNumItems  int
	SelectedItem int
}

type DropdownStyle struct {
	PopupClosed     glui.Widget
	PopupOpen       glui.Widget
	PopupBackground BackgroundStyle
}

type FontStyle struct {
	Color     glen.Color
	Size      float32
	Alignment glui.Alignment

	Font glen.TextureFont
}

type InputStyle struct {
	Padding     float32
	Background  BackgroundStyle
	Outline     glen.Color
	Cursor      glui.Widget
	CursorBlink time.Duration
}

type List struct {
	Axis      glui.Axis
	Alignment glui.Alignment
}

type ListStyle struct {
	Padding float32
}

type Palette struct {
	BG        glen.Color
	FG        glen.Color
	Selection glen.Color
	Comment   glen.Color
	BGLight   glen.Color
	BGLighter glen.Color
	BGDark    glen.Color
	BGDarker  glen.Color
	Cyan      glen.Color
	Green     glen.Color
	Orange    glen.Color
	Pink      glen.Color
	Purple    glen.Color
	Red       glen.Color
	Yellow    glen.Color
	Disabled  func(glen.Color) glen.Color
}

type ProgressBar struct {
	Axis glui.Axis
}

type SliderStyle struct {
	Padding    float32
	Background BackgroundStyle
	Handle     glui.Widget
}

type Split struct {
	Axis        glui.Axis
	MouseButton glen.MouseButton
}

type SplitStyle struct {
	Padding    float32
	Background BackgroundStyle
	Resizing   BackgroundStyle
	Hover      BackgroundStyle
	HandleHor  glui.Widget
	HandleVer  glui.Widget
}

type Tabs struct {
	Axis      glui.Axis
	Alignment glui.Alignment
}

type TabsStyle struct {
	Padding                float32
	SeparatorColor         glen.Color
	SeparatorWidth         float32
	UnselectedFGColorAlpha float32
}

type Theme struct {
	Palette  Palette
	Busy     glui.Widget
	Body1    FontStyle
	H1       FontStyle
	H2       FontStyle
	H3       FontStyle
	H4       FontStyle
	H5       FontStyle
	Small    FontStyle
	Strong   FontStyle
	Button   ButtonStyle
	Checkbox CheckboxStyle
	Dropdown DropdownStyle
	Input    InputStyle
	List     ListStyle
	Slider   SliderStyle
	Split    SplitStyle
	Tabs     TabsStyle
	Tooltip  TooltipStyle
	Tree     TreeStyle
	Wrap     WrapStyle
}

type TooltipStyle struct {
	Padding    float32
	Background BackgroundStyle
	Delay      time.Duration
	Label      FontStyle
}

type Tree[T comparable] struct {
	Axis      glui.Axis
	Alignment glui.Alignment
}

type TreeStyle struct {
	Padding      float32
	Axis         glui.Axis
	Alignment    glui.Alignment
	MouseButton  glen.MouseButton
	Indentation  float32
	FolderOpen   glui.Widget
	FolderClosed glui.Widget
	File         glui.Widget
}

type Wrap struct {
	Axis      glui.Axis
	Alignment glui.Alignment
	MainSize  func(area geom.Rect) float32 // cross-axis size
}

type WrapStyle struct {
	Padding float32
}