419 lines
8.8 KiB
Go
419 lines
8.8 KiB
Go
// PresentationApp project main.go
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package main
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import (
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"fmt"
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"image"
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"log"
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"os"
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"path/filepath"
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"runtime/debug"
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"strings"
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"strconv"
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"github.com/go-gl/gl/v2.1/gl"
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"github.com/go-gl/glfw/v3.1/glfw"
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"github.com/kardianos/osext"
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"github.com/lordwelch/qml"
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"gopkg.in/gographics/imagick.v2/imagick"
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)
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type Bool bool
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type cell struct {
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text string
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img *imagick.MagickWand
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qmlimg qml.Object
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qmlcell qml.Object
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index int
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}
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type slide []*cell
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var (
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x0, y0, selSlide, rhtClkCell int
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path string
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qimg qml.Object
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textEdit qml.Object
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cellQml qml.Object
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window *qml.Window
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win *glfw.Window
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slides slide
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err error
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monitors []*glfw.Monitor
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projMonitor *glfw.Monitor
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tex1 *uint32
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texDel, quickEdit Bool = false, false
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)
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func main() {
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selSlide = 0
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if err = qml.Run(run); err != nil {
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fmt.Fprintf(os.Stderr, "error: %v\n", err)
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os.Exit(1)
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}
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}
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func run() error {
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var mainQml qml.Object
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imagick.Initialize()
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engine := qml.NewEngine()
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engine.AddImageProvider("images", imgProvider)
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path, err = osext.ExecutableFolder()
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path = filepath.Clean(path + "/../src/github.com/lordwelch/PresentationApp/")
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mainQml, err = engine.LoadFile(path + "/main.qml")
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if err != nil {
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return err
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}
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cellQml, err = engine.LoadFile(path + "/qml/cell.qml")
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if err != nil {
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return err
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}
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qimg, err = engine.LoadFile(path + "/qml/img.qml")
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if err != nil {
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return err
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}
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window = mainQml.CreateWindow(nil)
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textEdit = window.ObjectByName("textEdit")
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slides.addCell()
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setSignals()
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imgready = true
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window.Show()
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qml.RunMain(glInit)
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window.Wait()
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imagick.Terminate()
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return nil
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}
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func setupScene() {
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gl.ClearColor(0, 0, 0, 0)
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if texDel {
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gl.DeleteTextures(1, tex1)
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}
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tex1 = newTexture(*slides[selSlide].getImage(x0, y0))
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gl.MatrixMode(gl.PROJECTION)
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gl.LoadIdentity()
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gl.Ortho(-1, 1, -1, 1, 1.0, 10.0)
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gl.MatrixMode(gl.MODELVIEW)
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gl.LoadIdentity()
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texDel = true
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}
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func drawSlide() {
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gl.Clear(gl.COLOR_BUFFER_BIT)
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gl.MatrixMode(gl.MODELVIEW)
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gl.LoadIdentity()
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gl.Translatef(0, 0, -3.0)
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gl.Begin(gl.QUADS)
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gl.TexCoord2f(0, 0)
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gl.Vertex3f(-1, 1, 0)
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gl.TexCoord2f(1, 0)
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gl.Vertex3f(1, 1, 0)
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gl.TexCoord2f(1, 1)
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gl.Vertex3f(1, -1, 0)
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gl.TexCoord2f(0, 1)
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gl.Vertex3f(-1, -1, 0)
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gl.End()
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}
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func newTexture(rgba image.RGBA) *uint32 {
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var texture1 uint32
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gl.Enable(gl.TEXTURE_2D)
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gl.GenTextures(1, &texture1)
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gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
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gl.TexImage2D(
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gl.TEXTURE_2D,
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0,
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gl.RGBA,
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int32(rgba.Rect.Size().X),
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int32(rgba.Rect.Size().Y),
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0,
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gl.RGBA,
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gl.UNSIGNED_BYTE,
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gl.Ptr(rgba.Pix))
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return &texture1
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}
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func checkMon() {
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monitors = glfw.GetMonitors()
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glfw.WindowHint(glfw.ContextVersionMajor, 2)
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glfw.WindowHint(glfw.ContextVersionMinor, 1)
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glfw.WindowHint(glfw.AutoIconify, glfw.False)
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glfw.WindowHint(glfw.Decorated, glfw.False)
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if i := len(monitors); i < 2 {
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fmt.Println("You only have 1 monitor!!!!!!!!!!! :-P")
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x0 = 800
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y0 = 600
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win, err = glfw.CreateWindow(x0, y0, "Cube", nil, nil)
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if err != nil {
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panic(err)
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}
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projMonitor = monitors[0]
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} else {
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fmt.Printf("You have %d monitors\n", i)
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x0 = monitors[1].GetVideoMode().Width
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y0 = monitors[1].GetVideoMode().Height
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win, err = glfw.CreateWindow(x0, y0, "Cube", nil, nil)
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fmt.Println(win.GetPos())
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win.SetPos(monitors[1].GetPos())
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fmt.Println(x0, y0)
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if err != nil {
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panic(err)
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}
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projMonitor = monitors[1]
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}
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monitorInfo()
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}
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func monitorInfo() {
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for _, mon := range monitors {
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fmt.Printf("monitor name: %s\n", mon.GetName())
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i, t := mon.GetPos()
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fmt.Printf("position X: %d Y: %d\n", i, t)
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}
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}
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func glInit() {
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if err = glfw.Init(); err != nil {
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log.Fatalln("failed to initialize glfw:", err)
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}
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checkMon()
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win.MakeContextCurrent()
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if err := gl.Init(); err != nil {
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panic(err)
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}
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win.SetPos(projMonitor.GetPos())
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setupScene()
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qml.Func1 = func() int {
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if !win.ShouldClose() {
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glfw.PollEvents()
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drawSlide()
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win.SwapBuffers()
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return 0
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} else {
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win.Hide()
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//win.Destroy()
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glfw.Terminate()
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return 1
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}
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}
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}
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func setSignals() {
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window.ObjectByName("btnAdd").On("clicked", func() {
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slides.addCell()
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})
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window.ObjectByName("btnRem").On("clicked", func() {
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slides[len(slides)-1].remove()
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})
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window.ObjectByName("btnMem").On("clicked", func() {
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debug.FreeOSMemory()
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})
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window.On("closing", func() {
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if false == window.Property("cls") {
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win.SetShouldClose(true)
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window.Set("cls", true)
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}
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})
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window.ObjectByName("mnuEdit").On("triggered", func() {
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(&quickEdit).Toggle()
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})
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textEdit.ObjectByName("textEdit1").On("focusChanged", func(focus bool) {
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var (
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str string
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cel *cell
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)
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if !focus {
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str = textEdit.ObjectByName("textEdit1").String("text")
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cel = slides[textEdit.Int("cell")]
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if textEdit.Bool("txt") {
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cel.qmlcell.ObjectByName("cellText").Set("text", str)
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cel.text = str
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}
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}
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})
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}
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func (cl cell) getImage(x, y int) (img *image.RGBA) {
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mw := cl.img.GetImage()
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if (x == 0) || (y == 0) {
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x = int(mw.GetImageWidth())
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y = int(mw.GetImageHeight())
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}
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mw = resizeImage(mw, x, y, true, true)
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img = image.NewRGBA(image.Rect(0, 0, int(x), int(y)))
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if img.Stride != img.Rect.Size().X*4 {
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panic("unsupported stride")
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}
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Tpix, _ := mw.ExportImagePixels(0, 0, uint(x), uint(y), "RGBA", imagick.PIXEL_CHAR)
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img.Pix = Tpix.([]uint8)
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mw.Destroy()
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return
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}
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func (cl *cell) setSignal() {
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cl.qmlcell.ObjectByName("cellMouse").On("clicked", func(musEvent qml.Object) {
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btn := musEvent.Property("button")
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if btn == 2 {
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window.ObjectByName("mnuCtx").Call("popup")
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rhtClkCell = cl.index
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} else {
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selSlide = cl.qmlcell.Int("index")
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cl.qmlcell.ObjectByName("cellMouse").Set("focus", true)
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setupScene()
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}
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cl.clearcache()
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})
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cl.qmlcell.ObjectByName("cellMouse").On("focusChanged", func(focus bool) {
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if focus {
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cl.qmlcell.ObjectByName("cellMouse").Call("selected")
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} else {
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cl.qmlcell.ObjectByName("cellMouse").Call("notSelected")
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}
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})
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window.ObjectByName("imgpicker").On("accepted", func() {
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//url := window.Call("getFileDialogUrl")
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url := filepath.Clean(strings.Replace(window.ObjectByName("imgpicker").String("fileUrl"), "file:", "", 1))
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slides[rhtClkCell].img.Clear()
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slides[rhtClkCell].img.ReadImage(url)
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setupScene()
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cl.clearcache()
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})
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cl.qmlcell.ObjectByName("cellMouse").On("doubleClicked", func() {
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if quickEdit {
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textEdit.Set("cell", cl.index)
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textEdit.Set("x", cl.qmlcell.Int("x"))
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textEdit.Set("y", cl.qmlcell.Int("y"))
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textEdit.Set("height", cl.qmlcell.Int("height"))
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textEdit.Set("z", 100)
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textEdit.Set("opacity", 100)
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textEdit.Set("visible", true)
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textEdit.ObjectByName("textEdit1").Set("focus", true)
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textEdit.Set("enabled", true)
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textEdit.ObjectByName("textEdit1").Set("text", cl.text)
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}
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})
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}
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func (cl *cell) clearcache() {
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str := cl.qmlimg.String("source")
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//fmt.Println("source (click): ", str)
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i := strings.Index(str, `;`)
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str1 := str[:i]
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//fmt.Println("ext (click): ", str1)
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i1, _ := strconv.Atoi(str[i+1:])
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str = str1 + `;` + strconv.Itoa(i1+1)
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//fmt.Println("new source (click): ", str)
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cl.qmlimg.Set("source", str)
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}
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func (sl *slide) addCell( /*cl *cell*/ ) {
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var cl cell
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cl.index = len(*sl)
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window.ObjectByName("gridRect").Set("count", window.ObjectByName("gridRect").Int("count")+1)
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cl.qmlcell = cellQml.Create(nil)
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cl.qmlcell.Set("objectName", fmt.Sprintf("cellRect%d", len(*sl)))
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cl.qmlcell.Set("parent", window.ObjectByName("data1"))
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cl.qmlcell.Set("index", cl.index)
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cl.img = imagick.NewMagickWand()
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cl.img.ReadImage("logo:")
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cl.text = "testing 1... 2... 3..."
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cl.qmlcell.ObjectByName("cellText").Set("text", cl.text)
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*sl = append(*sl, &cl)
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cl.setSignal()
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cl.qmlimg = qimg.Create(nil)
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fmt.Println("index", cl.index)
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fmt.Printf("objectName: %s\n", fmt.Sprintf("cellImg%d", cl.index))
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cl.qmlimg.Set("objectName", fmt.Sprintf("cellImg%d", cl.index))
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cl.qmlimg.Set("source", fmt.Sprintf("image://images/%d"+`;`+"0", cl.index))
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fmt.Println("source: ", cl.qmlimg.String("source"))
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cl.qmlimg.Set("parent", window.ObjectByName("data2"))
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cl.qmlimg.Set("index", cl.index)
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}
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func (cl *cell) remove() {
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cl.text = ""
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cl.qmlimg.Destroy()
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cl.qmlcell.Destroy()
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cl.img.Destroy()
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window.ObjectByName("gridRect").Set("count", window.ObjectByName("gridRect").Int("count")-1)
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slides.remove(cl.index)
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cl.index = -1
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}
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func (sl *slide) remove(i int) {
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*sl, (*sl)[len((*sl))-1] = append((*sl)[:i], (*sl)[i+1:]...), nil
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}
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func (bl *Bool) Toggle() {
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if *bl == false {
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*bl = true
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} else {
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*bl = false
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}
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}
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func (cl cell) String() string {
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return fmt.Sprintf("Index: %d \nText: %s\n", cl.index, cl.text)
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}
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