DlangUI

[Kiith-Sa via Digitalmars-d-announce]

On Tuesday, 20 May 2014 at 18:13:36 UTC, Vadim Lopatin wrote:
> Hello!
>
> I would like to announce my project, DlangUI library - 
> cross-platform GUI for D.
> https://github.com/buggins/dlangui
> License: Boost License 1.0
>
> Native library written in D (not a wrapper to other GUI 
> library) - easy to extend.
> As a backend, uses SDL2 on any platform, Win32 API on Windows, 
> XCB on Linux. Other backends can be added easy.
> Tested on Windows and Linux.
> Supports hardware acceleration - drawing using OpenGL when 
> built with version=USE_OPENGL.
> Unicode support.
> Internationalization support.
> Uses Win32 API fonts on Windows, and FreeType on other 
> platforms.
> Same look and feel can be achieved on all platforms.
> Flexible look and feel - themes and styles.
> API is a bit similar to Android UI.
> Flexible layout, support of different screen DPI, scaling.
> Uses two phase layout like in Android.
> Supports drawable resources in .png and .jpeg, nine-patch pngs 
> and state drawables like in Android.
> Single threaded. Use other threads for performing slow tasks.
> Mouse oriented.
>
> Actually, it's a port (with major redesign) of my library used 
> for cross-platform version of my application CoolReader from 
> C++.
>
>
> State of project: alpha. But, already can be used for simple 2D 
> games and simple GUI apps.
> I'm keeping in mind a goal to write D language IDE based on 
> dlangui. :)
> Adding support of 3D graphics is planned.
>
>
> Currently implemented widgets:
>
> TextWidget - simple static text (TODO: implement multiline 
> formatting)
> ImageWidget - static image
> Button - simple button with text label
> ImageButton - image only button
> TextImageButton - button with icon and label
> CheckBox - check button with label
> RadioButton - radio button with label
> EditLine - single line edit
> EditBox - multiline editor
> VSpacer - vertical spacer - just an empty widget with 
> layoutHeight == FILL_PARENT, to fill vertical space in layouts
> HSpacer - horizontal spacer - just an empty widget with 
> layoutWidth == FILL_PARENT, to fill horizontal space in layouts
> ScrollBar - scroll bar
> TabControl - tabs widget, allows to select one of tabs
> TabHost - container for pages controlled by TabControl
> TabWidget - combination of TabControl and TabHost
>
> Layouts - Similar to layouts in Android
>
> LinearLayout - layout children horizontally or vertically 
> depending on orientation
> VerticalLayout - just a LinearLayout with vertical orientation
> HorizontalLayout - just a LinearLayout with vertical orientation
> FrameLayout - all children occupy the same place; usually onle 
> one of them is visible
> TableLayout - children are aligned into rows and columns of 
> table
>
> List Views - similar to lists in Android UI API.
> ListWidget - layout dynamic items horizontally or vertically 
> (one in row/column) with automatic scrollbar; can reuse widgets 
> for similar items
> ListAdapter - interface to provide data and widgets for 
> ListWidget
> WidgetListAdapter - simple implementation of ListAdapter 
> interface - just a list of widgets (one per list item) to show
>
>
> Sample project, example1 contains demo code for most of dlangui 
> API.
>
> Try it using DUB:
>
>     git clone https://github.com/buggins/dlangui.git
>     cd dlangui
>     dub run dlangui:example1
>
> Fonts note: on Linux, several .TTFs are loaded from hardcoded 
> paths (suitable for Ubuntu).
> TODO: add fontconfig support to access all available system 
> fonts.
>
> Helloworld:
>
> // main.d
> import dlangui.all;
> mixin DLANGUI_ENTRY_POINT;
>
> /// entry point for dlangui based application
> extern (C) int UIAppMain(string[] args) {
>     // resource directory search paths
>     string[] resourceDirs = [
>         appendPath(exePath, "../res/"),   // for Visual D and 
> DUB builds
>         appendPath(exePath, "../../res/") // for Mono-D builds
>     ];
>
>     // setup resource directories - will use only existing 
> directories
>     Platform.instance.resourceDirs = resourceDirs;
>     // select translation file - for english language
>     Platform.instance.uiLanguage = "en";
>     // load theme from file "theme_default.xml"
>     Platform.instance.uiTheme = "theme_default";
>
>     // create window
>     Window window = Platform.instance.createWindow("My Window", 
> null);
>     // create some widget to show in window
>     window.mainWidget = (new Button()).text("Hello 
> world"d).textColor(0xFF0000); // red text
>     // show window
>     window.show();
>     // run message loop
>     return Platform.instance.enterMessageLoop();
> }
>
> DDOC generated documentation can be found there: 
> https://github.com/buggins/dlangui/tree/master/docs
> For more info see readme and example1 code.
>
> I would be glad to see any feedback.
> Can this project be useful for someone? What features/widgets 
> are must have for you?
>
>
> Best regards,
>      Vadim  <coolreader.org at gmail.com>
> 	

Awesome.

Does this work like a conventional GUI toolkit (Gtk/Qt) or could 
I integrate this in an OpenGL game? (or would I have to integrate 
the game in it?)