41 lines
787 B
Go
41 lines
787 B
Go
package input
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import (
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"github.com/gotk3/gotk3/gdk"
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"github.com/gotk3/gotk3/gtk"
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)
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const shiftMask = uint(gdk.SHIFT_MASK)
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const cntrlMask = uint(gdk.CONTROL_MASK)
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func bithas(bit, has uint) bool {
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return bit&has == has
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}
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func convEvent(ev *gdk.Event) (key, mask uint) {
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var keyEvent = gdk.EventKeyNewFromEvent(ev)
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return keyEvent.KeyVal(), keyEvent.State()
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}
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// connects to key-press-event
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func (f *Field) keyDown(tv *gtk.TextView, ev *gdk.Event) bool {
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var key, mask = convEvent(ev)
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switch key {
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// If Enter is pressed.
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case gdk.KEY_Return:
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// If Shift is being held, insert a new line.
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if bithas(mask, shiftMask) {
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f.buffer.InsertAtCursor("\n")
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return true
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}
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// Else, send the message.
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f.SendMessage()
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return true
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}
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// Passthrough.
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return false
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}
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