86 lines
2.1 KiB
Go
86 lines
2.1 KiB
Go
package elements
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import "git.tebibyte.media/sashakoshka/tomo/theme"
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import "git.tebibyte.media/sashakoshka/tomo/config"
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import "git.tebibyte.media/sashakoshka/tomo/elements/core"
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// Spacer can be used to put space between two elements..
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type Spacer struct {
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*core.Core
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core core.CoreControl
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line bool
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config config.Wrapped
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theme theme.Wrapped
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}
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// NewSpacer creates a new spacer. If line is set to true, the spacer will be
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// filled with a line color, and if compressed to its minimum width or height,
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// will appear as a line.
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func NewSpacer (line bool) (element *Spacer) {
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element = &Spacer { line: line }
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element.theme.Case = theme.C("tomo", "spacer")
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element.Core, element.core = core.NewCore(element, element.draw)
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element.updateMinimumSize()
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return
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}
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/// SetLine sets whether or not the spacer will appear as a colored line.
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func (element *Spacer) SetLine (line bool) {
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if element.line == line { return }
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element.line = line
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element.updateMinimumSize()
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if element.core.HasImage() {
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element.draw()
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element.core.DamageAll()
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}
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}
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// SetTheme sets the element's theme.
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func (element *Spacer) SetTheme (new theme.Theme) {
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if new == element.theme.Theme { return }
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element.theme.Theme = new
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element.redo()
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}
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// SetConfig sets the element's configuration.
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func (element *Spacer) SetConfig (new config.Config) {
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if new == element.config.Config { return }
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element.config.Config = new
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element.redo()
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}
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func (element *Spacer) updateMinimumSize () {
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if element.line {
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padding := element.theme.Padding(theme.PatternLine)
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element.core.SetMinimumSize (
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padding.Horizontal(),
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padding.Vertical())
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} else {
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element.core.SetMinimumSize(1, 1)
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}
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}
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func (element *Spacer) redo () {
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if !element.core.HasImage() {
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element.draw()
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element.core.DamageAll()
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}
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}
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func (element *Spacer) draw () {
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bounds := element.Bounds()
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if element.line {
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pattern := element.theme.Pattern (
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theme.PatternLine,
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theme.State { })
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pattern.Draw(element.core, bounds)
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} else {
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pattern := element.theme.Pattern (
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theme.PatternBackground,
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theme.State { })
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pattern.Draw(element.core, bounds)
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}
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}
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