81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
package main
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import (
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"image"
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"github.com/BurntSushi/xgbutil/xgraphics"
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)
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// Block is a struct with information about a block.
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type Block struct {
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// The sub-image that represents the block.
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img *xgraphics.Image
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// The x coordinate and width of the block.
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x, w int
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// Additional x offset to further tweak the location of the text.
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xoff int
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// The text the block should display.
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txt string
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// The aligment of the text, this can be `l` for left aligment, `c` for
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// center aligment, `r` for right aligment and `a` for absolute center
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// aligment.
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align rune
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// The foreground and background colors in hex.
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bg, fg string
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// A map with functions to execute on button events. Accepted button strings
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// are `button0` to `button5`
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actions map[string]func() error
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// Block popup..
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popup *Popup
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}
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func (bar *Bar) initBlock(name, txt string, w int, align rune, xoff int, bg,
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fg string) *Block {
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block := new(Block)
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block.img = bar.img.SubImage(image.Rect(bar.xsum, 0, bar.xsum+w, bar.
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h)).(*xgraphics.Image)
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block.x = bar.xsum
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block.w = w
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block.xoff = xoff
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block.txt = txt
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block.align = align
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block.bg = bg
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block.fg = fg
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block.actions = map[string]func() error{
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"button1": func() error { return nil },
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"button2": func() error { return nil },
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"button3": func() error { return nil },
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"button4": func() error { return nil },
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"button5": func() error { return nil },
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}
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// Add the width of this block to the xsum.
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bar.xsum += w
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// Store the block in map.
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bar.blocks.Store(name, block)
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// Draw block.
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bar.redraw <- block
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return block
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}
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// TODO: Make this function more versatile by allowing different and multiple
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// properties to be checked.
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func (block *Block) diff(txt string) bool {
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if block.txt == txt {
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return false
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}
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block.txt = txt
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return true
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}
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