bitsdojo_window 0.1.1+1
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A package to help with creating custom windows with Flutter desktop (custom border, titlebar and minimize/maximize/close buttons) and common desktop window operations (show/hide/position on screen) fo

bitsdojo_window #

A Flutter package that makes it easy to customize and work with your Flutter desktop app window on Windows, macOS and Linux.

Watch the tutorial to get started. Click the image below to watch the video:

IMAGE ALT TEXT

Features:

- Custom window frame - remove standard Windows/macOS/Linux titlebar and buttons
- Hide window on startup
- Show/hide window
- Move window using Flutter widget
- Minimize/Maximize/Restore/Close window
- Set window size, minimum size and maximum size
- Set window position
- Set window alignment on screen (center/topLeft/topRight/bottomLeft/bottomRight)
- Set window title

Getting Started #

Install the package using pubspec.yaml

For Windows apps #

Inside your application folder, go to windows\runner\main.cpp and add these two lines at the beginning of the file:

#include <bitsdojo_window_windows/bitsdojo_window_plugin.h>
auto bdw = bitsdojo_window_configure(BDW_CUSTOM_FRAME | BDW_HIDE_ON_STARTUP);

For macOS apps #

Inside your application folder, go to macos\runner\MainFlutterWindow.swift and add this line after the one saying import FlutterMacOS :

import FlutterMacOS
import bitsdojo_window_macos // Add this line

Then change this line from:

class MainFlutterWindow: NSWindow {

to this:

class MainFlutterWindow: BitsdojoWindow {

After changing NSWindow to BitsdojoWindow add these lines below the line you changed:

override func bitsdojo_window_configure() -> UInt {
  return BDW_CUSTOM_FRAME | BDW_HIDE_ON_STARTUP
}

Your code should now look like this:

class MainFlutterWindow: BitsdojoWindow {
    
  override func bitsdojo_window_configure() -> UInt {
    return BDW_CUSTOM_FRAME | BDW_HIDE_ON_STARTUP
  }
    
  override func awakeFromNib() {
    ... //rest of your code

#

If you don't want to use a custom frame and prefer the standard window titlebar and buttons, you can remove the BDW_CUSTOM_FRAME flag from the code above.

If you don't want to hide the window on startup, you can remove the BDW_HIDE_ON_STARTUP flag from the code above.

For Linux apps #

Inside your application folder, go to linux\my_application.cc and add this line at the beginning of the file:

#include <bitsdojo_window_linux/bitsdojo_window_plugin.h>

Then look for these two lines:

gtk_window_set_default_size(window, 1280, 720);
gtk_widget_show(GTK_WIDGET(window));

and change them to this:

auto bdw = bitsdojo_window_from(window);            // <--- add this line
bdw->setCustomFrame(true);                          // <-- add this line
//gtk_window_set_default_size(window, 1280, 720);   // <-- comment this line
gtk_widget_show(GTK_WIDGET(window));

As you can see, we commented the line calling gtk_window_set_default_size and added these two lines before gtk_widget_show(GTK_WIDGET(window));

auto bdw = bitsdojo_window_from(window);
bdw->setCustomFrame(true);

Flutter app integration #

Now go to lib\main.dart and add this code in the main function right after runApp(MyApp()); :

void main() {
  runApp(MyApp());

  // Add this code below

  doWhenWindowReady(() {
    final initialSize = Size(600, 450);
    appWindow.minSize = initialSize;
    appWindow.size = initialSize;
    appWindow.alignment = Alignment.center;
    appWindow.show();
  });
}

This will set an initial size and a minimum size for your application window, center it on the screen and show it on the screen.

You can find examples in the example folder.

Here is an example that displays this window:

import 'package:flutter/material.dart';
import 'package:bitsdojo_window/bitsdojo_window.dart';

void main() {
  runApp(MyApp());
  doWhenWindowReady(() {
    final win = appWindow;
    final initialSize = Size(600, 450);
    win.minSize = initialSize;
    win.size = initialSize;
    win.alignment = Alignment.center;
    win.title = "Custom window with Flutter";
    win.show();
  });
}

const borderColor = Color(0xFF805306);

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        debugShowCheckedModeBanner: false,
        home: Scaffold(
            body: WindowBorder(
                color: borderColor,
                width: 1,
                child: Row(children: [LeftSide(), RightSide()]))));
  }
}

const sidebarColor = Color(0xFFF6A00C);

class LeftSide extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return SizedBox(
        width: 200,
        child: Container(
            color: sidebarColor,
            child: Column(
              children: [
                WindowTitleBarBox(child: MoveWindow()),
                Expanded(child: Container())
              ],
            )));
  }
}

const backgroundStartColor = Color(0xFFFFD500);
const backgroundEndColor = Color(0xFFF6A00C);

class RightSide extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Expanded(
        child: Container(
            decoration: BoxDecoration(
              gradient: LinearGradient(
                  begin: Alignment.topCenter,
                  end: Alignment.bottomCenter,
                  colors: [backgroundStartColor, backgroundEndColor],
                  stops: [0.0, 1.0]),
            ),
            child: Column(children: [
              WindowTitleBarBox(
                  child: Row(children: [
                Expanded(child: MoveWindow()),
                WindowButtons()
              ])),
            ])));
  }
}

final buttonColors = WindowButtonColors(
    iconNormal: Color(0xFF805306),
    mouseOver: Color(0xFFF6A00C),
    mouseDown: Color(0xFF805306),
    iconMouseOver: Color(0xFF805306),
    iconMouseDown: Color(0xFFFFD500));

final closeButtonColors = WindowButtonColors(
    mouseOver: Color(0xFFD32F2F),
    mouseDown: Color(0xFFB71C1C),
    iconNormal: Color(0xFF805306),
    iconMouseOver: Colors.white);

class WindowButtons extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Row(
      children: [
        MinimizeWindowButton(colors: buttonColors),
        MaximizeWindowButton(colors: buttonColors),
        CloseWindowButton(colors: closeButtonColors),
      ],
    );

❤️ Sponsors - friends helping this package #

I am developing this package in my spare time. If you want to help so that I can dedicate more time for this, you can become a supporter.

🙏 Thank you!

☕️ Coffee supporters: #

Helping with a coffee every month:

Want to help? Become a sponsor

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Publisher

bitsdojo.com

A package to help with creating custom windows with Flutter desktop (custom border, titlebar and minimize/maximize/close buttons) and common desktop window operations (show/hide/position on screen) for Windows and macOS

Homepage
Repository (GitHub)
View/report issues

Documentation

API reference

License

MIT (LICENSE)

Dependencies

bitsdojo_window_linux, bitsdojo_window_macos, bitsdojo_window_platform_interface, bitsdojo_window_windows, flutter

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