Initial commit
This commit is contained in:
commit
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222
main.go
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222
main.go
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package main
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import (
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"errors"
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"fmt"
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"log"
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"os"
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"github.com/gotk3/gotk3/glib"
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"github.com/gotk3/gotk3/gtk"
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)
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const appId = "com.github.gotk3.gotk3-examples.glade"
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type App struct {
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app *gtk.Application
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mw *gtk.ApplicationWindow
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// The stack holds the views of the main window
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stack *gtk.Stack
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stackMain *gtk.Box
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stackAbout *gtk.Grid
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// Detail stack variables
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stackDetail *gtk.Box
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detail struct {
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header *gtk.Label
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}
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dynBtnBox *gtk.Box
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dlgNew *gtk.FileChooserDialog
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listbox *gtk.ListBox
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}
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func New() *App {
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return &App{}
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}
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func main() {
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app := New()
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// Create a new application.
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application, err := gtk.ApplicationNew(appId, glib.APPLICATION_FLAGS_NONE)
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errorCheck(err)
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app.app = application
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// Connect function to application startup event, this is not required.
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application.Connect("startup", func() {
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log.Println("application startup")
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})
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// Connect function to application activate event
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application.Connect("activate", func() {
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log.Println("application activate")
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// Get the GtkBuilder UI definition in the glade file.
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builder, err := gtk.BuilderNewFromFile("ui/app.glade")
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errorCheck(err)
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// Map the handlers to callback functions, and connect the signals
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// to the Builder.
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signals := map[string]interface{}{
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"on_main_window_destroy": app.onMainWindowDestroy,
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"on_menu_home_activate": app.onBtnAboutBackClicked,
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"on_menu_new_activate": app.onMenuNewActivate,
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"on_menu_open_activate": app.onMenuOpenActivate,
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"on_menu_quit_activate": app.onMenuQuitActivate,
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"on_btn_about_clicked": app.onBtnAboutClicked,
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"on_btn_about_back_clicked": app.onBtnAboutBackClicked,
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"on_btn_detail_back_clicked": app.onBtnAboutBackClicked,
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}
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builder.ConnectSignals(signals)
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// Get the object with the id of "main_window".
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obj, err := builder.GetObject("main_window")
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errorCheck(err)
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// Verify that the object is a pointer to a gtk.ApplicationWindow.
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win, err := isWindow(obj)
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errorCheck(err)
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app.mw = win
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stack, _ := builder.GetObject("mw_stack")
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app.stack = stack.(*gtk.Stack)
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app.stackMain, _ = get(builder, "box_main").(*gtk.Box)
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app.stackAbout, _ = get(builder, "box_about").(*gtk.Grid)
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app.stackDetail, _ = get(builder, "box_detail").(*gtk.Box)
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app.detail.header, _ = get(builder, "box_detail_header").(*gtk.Label)
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app.dlgNew, _ = get(builder, "dlg_new_file").(*gtk.FileChooserDialog)
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app.listbox, _ = get(builder, "mw_list").(*gtk.ListBox)
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app.dynBtnBox, _ = get(builder, "dyn_btn_box").(*gtk.Box)
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for _, row := range []string{"First Button", "Second", "Third"} {
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app.AddButton(row)
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}
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// for _, row := range []string{"First", "Second", "Third"} {
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// lbRow, err := gtk.ListBoxRowNew()
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// errorCheck(err)
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//
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// }
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// Show the Window and all of its components.
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win.Show()
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application.AddWindow(win)
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})
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// Connect function to application shutdown event, this is not required.
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application.Connect("shutdown", func() {
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log.Println("application shutdown")
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})
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// Launch the application
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os.Exit(application.Run(os.Args))
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}
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func isWindow(obj glib.IObject) (*gtk.ApplicationWindow, error) {
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// Make type assertion (as per gtk.go).
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if win, ok := obj.(*gtk.ApplicationWindow); ok {
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return win, nil
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}
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return nil, errors.New("not a *gtk.Window")
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}
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func get(builder *gtk.Builder, name string) glib.IObject {
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v, err := builder.GetObject(name)
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errorCheck(err)
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return v
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}
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func errorCheck(e error) {
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if e != nil {
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// panic for any errors.
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log.Panic(e)
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}
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}
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// adds a button to the dynBtnBox
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func (a *App) AddButton(label string) {
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btn, err := gtk.ButtonNewWithLabel(label)
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errorCheck(err)
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btn.Connect("clicked", func() {
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a.gotoDetailScreen(label)
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})
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// PackEnd(widget, expand, fill, padding)
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a.dynBtnBox.PackStart(btn, false, true, 0)
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btn.Show()
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}
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// onMainWindowDestory is the callback that is linked to the
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// on_main_window_destroy handler. It is not required to map this,
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// and is here to simply demo how to hook-up custom callbacks.
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func (a *App) onMainWindowDestroy() {
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log.Println("onMainWindowDestroy")
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}
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func (a *App) onMenuNewActivate() {
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log.Println("new clicked")
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a.dlgNew.Show()
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}
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func (a *App) onMenuOpenActivate() {
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log.Println("open clicked")
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dialog, err := gtk.FileChooserDialogNewWith2Buttons(
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"Open File...",
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a.mw,
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gtk.FILE_CHOOSER_ACTION_OPEN,
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"Cancel",
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gtk.RESPONSE_DELETE_EVENT,
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"Open",
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gtk.RESPONSE_ACCEPT)
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errorCheck(err)
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filter, _ := gtk.FileFilterNew()
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filter.AddPattern("*.jpg")
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filter.SetName("JPEG images")
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dialog.AddFilter(filter)
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switcher := dialog.Run()
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log.Printf("switcher: %d\n", switcher)
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filename := dialog.GetFilename()
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dialog.Destroy()
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if switcher != -3 {
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fmt.Printf("user canceled\n")
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return
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}
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fmt.Printf("chosen: %s\n", filename)
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}
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func (a *App) onMenuQuitActivate() {
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a.mw.Destroy()
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// os.Exit(0) // TODO: more graceful
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}
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func (a *App) onBtnAboutClicked() {
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fmt.Println("about clicked")
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a.stack.SetTransitionType(gtk.STACK_TRANSITION_TYPE_SLIDE_LEFT)
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a.stack.SetVisibleChild(a.stackAbout)
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}
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func (a *App) onBtnAboutBackClicked() {
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a.stack.SetTransitionType(gtk.STACK_TRANSITION_TYPE_SLIDE_RIGHT)
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a.stack.SetVisibleChild(a.stackMain)
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}
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func (a *App) gotoDetailScreen(label string) {
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a.detail.header.SetText("Detail: " + label)
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a.stack.SetTransitionType(gtk.STACK_TRANSITION_TYPE_SLIDE_LEFT)
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a.stack.SetVisibleChild(a.stackDetail)
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}
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331
ui/app.glade
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331
ui/app.glade
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@ -0,0 +1,331 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!-- Generated with glade 3.36.0 -->
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<interface>
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<requires lib="gtk+" version="3.22"/>
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<object class="GtkFileChooserDialog" id="dlg_new_file">
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<property name="can_focus">False</property>
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<property name="title" translatable="yes">Choose your file</property>
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<property name="type_hint">dialog</property>
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<signal name="file-activated" handler="on_new_file_selected" swapped="no"/>
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<child internal-child="vbox">
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<object class="GtkBox">
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<property name="can_focus">False</property>
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<property name="orientation">vertical</property>
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<property name="spacing">2</property>
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<child internal-child="action_area">
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<object class="GtkButtonBox">
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<property name="can_focus">False</property>
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<property name="layout_style">end</property>
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<child>
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<object class="GtkButton">
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<property name="label" translatable="yes">Accept</property>
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="receives_default">True</property>
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</object>
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<packing>
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<property name="expand">True</property>
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<property name="fill">True</property>
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<property name="position">0</property>
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</packing>
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</child>
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<child>
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<object class="GtkButton">
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<property name="label" translatable="yes">Cancel</property>
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="receives_default">True</property>
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</object>
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<packing>
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<property name="expand">True</property>
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<property name="fill">True</property>
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<property name="position">1</property>
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</packing>
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</child>
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</object>
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<packing>
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<property name="expand">False</property>
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<property name="fill">False</property>
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<property name="position">0</property>
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</packing>
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</child>
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<child>
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<placeholder/>
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</child>
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</object>
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</child>
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<child type="titlebar">
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<placeholder/>
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</child>
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</object>
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<object class="GtkMenu" id="menu1">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<child>
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<object class="GtkMenuItem" id="menu_home">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="label" translatable="yes">Home</property>
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<property name="use_underline">True</property>
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<signal name="activate" handler="on_menu_home_activate" swapped="no"/>
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</object>
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</child>
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<child>
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<object class="GtkSeparatorMenuItem">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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</object>
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</child>
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<child>
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<object class="GtkMenuItem" id="menu_new">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="label" translatable="yes">New</property>
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<property name="use_underline">True</property>
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<signal name="activate" handler="on_menu_new_activate" swapped="no"/>
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<accelerator key="n" signal="activate" modifiers="GDK_CONTROL_MASK"/>
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</object>
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</child>
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<child>
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<object class="GtkMenuItem" id="menu_open">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="label" translatable="yes">Open</property>
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<property name="use_underline">True</property>
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<signal name="activate" handler="on_menu_open_activate" swapped="no"/>
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<accelerator key="o" signal="activate" modifiers="GDK_CONTROL_MASK"/>
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</object>
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</child>
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<child>
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<object class="GtkMenuItem" id="menu_save">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="label" translatable="yes">Save</property>
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<property name="use_underline">True</property>
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<signal name="activate" handler="on_menu_save_activate" swapped="no"/>
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<accelerator key="s" signal="activate" modifiers="GDK_CONTROL_MASK"/>
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</object>
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</child>
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<child>
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<object class="GtkSeparatorMenuItem">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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</object>
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</child>
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<child>
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<object class="GtkMenuItem" id="menu_quit">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="label" translatable="yes">Quit</property>
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<property name="use_underline">True</property>
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<signal name="activate" handler="on_menu_quit_activate" swapped="no"/>
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<accelerator key="F4" signal="activate" modifiers="GDK_MOD1_MASK"/>
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</object>
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</child>
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</object>
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<object class="GtkApplicationWindow" id="main_window">
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<property name="width_request">360</property>
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<property name="height_request">720</property>
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<property name="can_focus">False</property>
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<property name="show_menubar">False</property>
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<signal name="destroy" handler="on_main_window_destroy" swapped="no"/>
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<child>
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<object class="GtkStack" id="mw_stack">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="transition_type">slide-left</property>
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<child>
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<object class="GtkBox" id="box_main">
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<property name="visible">True</property>
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<property name="can_focus">False</property>
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<property name="orientation">vertical</property>
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<child>
|
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<object class="GtkListBox" id="mw_list">
|
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<property name="visible">True</property>
|
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<property name="can_focus">False</property>
|
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</object>
|
||||
<packing>
|
||||
<property name="expand">True</property>
|
||||
<property name="fill">True</property>
|
||||
<property name="position">0</property>
|
||||
</packing>
|
||||
</child>
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<child>
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<object class="GtkBox" id="dyn_btn_box">
|
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<property name="visible">True</property>
|
||||
<property name="can_focus">False</property>
|
||||
<property name="orientation">vertical</property>
|
||||
<child>
|
||||
<object class="GtkButton">
|
||||
<property name="label" translatable="yes">Glade button</property>
|
||||
<property name="visible">True</property>
|
||||
<property name="can_focus">True</property>
|
||||
<property name="receives_default">True</property>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="expand">False</property>
|
||||
<property name="fill">True</property>
|
||||
<property name="position">0</property>
|
||||
</packing>
|
||||
</child>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="expand">False</property>
|
||||
<property name="fill">True</property>
|
||||
<property name="position">1</property>
|
||||
</packing>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="btn_about">
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||||
<property name="label" translatable="yes">About</property>
|
||||
<property name="visible">True</property>
|
||||
<property name="can_focus">True</property>
|
||||
<property name="receives_default">True</property>
|
||||
<signal name="clicked" handler="on_btn_about_clicked" swapped="no"/>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="expand">False</property>
|
||||
<property name="fill">True</property>
|
||||
<property name="position">2</property>
|
||||
</packing>
|
||||
</child>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="name">page0</property>
|
||||
<property name="title" translatable="yes">page0</property>
|
||||
</packing>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkGrid" id="box_about">
|
||||
<property name="name">stack_about</property>
|
||||
<property name="visible">True</property>
|
||||
<property name="can_focus">False</property>
|
||||
<child>
|
||||
<object class="GtkLabel">
|
||||
<property name="visible">True</property>
|
||||
<property name="can_focus">False</property>
|
||||
<property name="label" translatable="yes">The About Screen!</property>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="left_attach">1</property>
|
||||
<property name="top_attach">0</property>
|
||||
</packing>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="btn_about_back">
|
||||
<property name="label" translatable="yes">Back</property>
|
||||
<property name="visible">True</property>
|
||||
<property name="can_focus">True</property>
|
||||
<property name="receives_default">True</property>
|
||||
<signal name="clicked" handler="on_btn_about_back_clicked" swapped="no"/>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="left_attach">1</property>
|
||||
<property name="top_attach">1</property>
|
||||
</packing>
|
||||
</child>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="name">page1</property>
|
||||
<property name="title" translatable="yes">page1</property>
|
||||
<property name="position">1</property>
|
||||
</packing>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkBox" id="box_detail">
|
||||
<property name="visible">True</property>
|
||||
<property name="can_focus">False</property>
|
||||
<property name="orientation">vertical</property>
|
||||
<child>
|
||||
<object class="GtkLabel" id="box_detail_header">
|
||||
<property name="visible">True</property>
|
||||
<property name="can_focus">False</property>
|
||||
<property name="label" translatable="yes">label</property>
|
||||
<attributes>
|
||||
<attribute name="font-desc" value="Sans Bold 18"/>
|
||||
<attribute name="foreground" value="#cccc00000000"/>
|
||||
</attributes>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="expand">False</property>
|
||||
<property name="fill">True</property>
|
||||
<property name="position">0</property>
|
||||
</packing>
|
||||
</child>
|
||||
<child>
|
||||
<object class="GtkButton" id="btn_detail_back">
|
||||
<property name="label" translatable="yes">Back to Menu</property>
|
||||
<property name="visible">True</property>
|
||||
<property name="can_focus">True</property>
|
||||
<property name="receives_default">True</property>
|
||||
<signal name="clicked" handler="on_btn_detail_back_clicked" swapped="no"/>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="expand">False</property>
|
||||
<property name="fill">True</property>
|
||||
<property name="position">1</property>
|
||||
</packing>
|
||||
</child>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
</object>
|
||||
<packing>
|
||||
<property name="name">page2</property>
|
||||
<property name="title" translatable="yes">page2</property>
|
||||
<property name="position">2</property>
|
||||
</packing>
|
||||
</child>
|
||||
</object>
|
||||
</child>
|
||||
<child type="titlebar">
|
||||
<object class="GtkHeaderBar">
|
||||
<property name="visible">True</property>
|
||||
<property name="can_focus">False</property>
|
||||
<property name="title" translatable="yes">Hello world</property>
|
||||
<property name="subtitle" translatable="yes">Test</property>
|
||||
<property name="show_close_button">True</property>
|
||||
<child>
|
||||
<object class="GtkMenuButton" id="main_menu">
|
||||
<property name="visible">True</property>
|
||||
<property name="can_focus">True</property>
|
||||
<property name="focus_on_click">False</property>
|
||||
<property name="receives_default">True</property>
|
||||
<property name="popup">menu1</property>
|
||||
<property name="use_popover">False</property>
|
||||
<child>
|
||||
<placeholder/>
|
||||
</child>
|
||||
</object>
|
||||
</child>
|
||||
</object>
|
||||
</child>
|
||||
</object>
|
||||
</interface>
|
||||
Loading…
Reference in New Issue
Block a user