golang-examples/example-ui-splash/area.go

118 lines
2.9 KiB
Go

package main
// import "time"
import "log"
// import "fmt"
// import "runtime"
import "github.com/andlabs/ui"
import _ "github.com/andlabs/ui/winmanifest"
import "github.com/davecgh/go-spew/spew"
var fontButton *ui.FontButton
var attrstr *ui.AttributedString
var splashArea *ui.Area
func makeSplashArea() *ui.Area {
fontButton = ui.NewFontButton()
fontButton.OnChanged(func(*ui.FontButton) {
spew.Dump(fontButton.Font())
// SplashArea.QueueRedrawAll()
})
spew.Dump(fontButton.Font())
makeAttributedString()
splashArea = ui.NewArea(areaHandler{})
spew.Dump(splashArea)
return splashArea
}
func appendWithAttributes(what string, attrs ...ui.Attribute) {
start := len(attrstr.String())
end := start + len(what)
attrstr.AppendUnattributed(what)
for _, a := range attrs {
attrstr.SetAttribute(a, start, end)
}
}
func makeAttributedString() {
attrstr = ui.NewAttributedString("")
appendWithAttributes("Welcome to the Cloud Control Panel\n", ui.TextSize(16), ui.TextColor{0.0, 0.0, 0.8, .8}) // "RGBT"
appendWithAttributes("(alpha)\n\n", ui.TextSize(10))
appendWithAttributes("This control panel was designed to be an interface to your 'private' cloud. ", ui.TextWeightBold)
appendWithAttributes("The concept of a private cloud means that you can use a providers system, or, seemlessly, use your own hardware in your own datacenter. ", ui.TextWeightBold)
attrstr.AppendUnattributed("\n")
attrstr.AppendUnattributed("\n")
appendWithAttributes("This control panel requires:\n")
attrstr.AppendUnattributed("\n")
appendWithAttributes("IPv6\n")
appendWithAttributes("Your hostname in DNS\n")
attrstr.AppendUnattributed("\n\n\n\n\n")
appendWithAttributes("<click or press any key>\n", ui.TextSize(10))
}
type areaHandler struct{}
func (areaHandler) Draw(a *ui.Area, p *ui.AreaDrawParams) {
tl := ui.DrawNewTextLayout(&ui.DrawTextLayoutParams{
String: attrstr,
DefaultFont: fontButton.Font(),
Width: p.AreaWidth,
Align: ui.DrawTextAlign(1),
})
defer tl.Free()
p.Context.Text(tl, 0, 0)
}
func (areaHandler) MouseEvent(a *ui.Area, me *ui.AreaMouseEvent) {
log.Println("GOT MouseEvent()")
spew.Dump(me)
if (me.Down == 1) {
log.Println("GOT MOUSE DOWN")
log.Println("GOT MOUSE DOWN")
log.Println("GOT MOUSE DOWN")
}
if (me.Up == 1) {
log.Println("GOT MOUSE UP")
log.Println("GOT MOUSE UP")
log.Println("GOT MOUSE UP")
splashWin.Destroy()
ui.Quit()
}
}
func (areaHandler) MouseCrossed(a *ui.Area, left bool) {
log.Println("GOT MouseCrossed()")
}
func (areaHandler) DragBroken(a *ui.Area) {
log.Println("GOT DragBroken()")
}
func (areaHandler) KeyEvent(a *ui.Area, ke *ui.AreaKeyEvent) (handled bool) {
log.Println("GOT KeyEvent()")
if (ke.Key == 10) {
log.Println("GOT ENTER")
log.Println("GOT ENTER")
log.Println("GOT ENTER")
}
if (ke.Key == 32) {
log.Println("GOT ENTER")
log.Println("GOT ENTER")
log.Println("GOT ENTER")
}
spew.Dump(ke)
splashWin.Destroy()
ui.Quit()
return false
}