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TODO.md

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TODO

Issues

  • Use the embedded data codegen / compress / decompress functions from VlppParser2 to replace one in GacUI.

OS Provider Features

  • Drag and Drop framework.
  • Windows
    • INativeImage::SaveToStream handle correctly for git format. It is possible that LoadFromStream need to process diff between git raw frames.

Control Features

  • IColumnItemView.
    • Change column size from int to {minSize:int, columnOption:Absolute|Percentage, absolute:int, percentage:float}
    • Column drag and drop.
      • ListView: only raises an event, developers need to update column headers and data by themselves.
      • DataGrid: swap column object, cells are changed due to binding.
  • ListView.
    • GroupedListView and BindableGroupedListView from GuiVirtualListView: Group headers on all views.
    • TreeListView and BindableTreeListView from GuiVirtualTreeView.
  • New GuiListControl::IItemArranger that can accept a GuiRepeatCompositionBase.
  • Chart control.
  • Code editor (need VlppParser2)
  • Dock container.
  • Touch support.

Architecture

  • New skin.
    • New default control templates with animation, written in XML generated C++ code.
    • A window can be called to update all its controls' and components' template.
  • UI Automation.
  • Test Automation on Tutorials.

GacUI Resource Compiler

  • <eval Eval="expression"/> tags.
  • In the final pass, only workflow scripts are printed.
    • Use WorkflowCompiler.exe to do codegen externally.

Graphics

  • 2D drawing API.
  • restriction-based MetaImageElement.
    • Remove PolygonElement.
    • Default non-text element renderer using 2D drawing API.
  • Meta3DElement and Meta3D data structure.
    • Default Meta3DElement renderer using MetaImageElement with a surface sorting based algorithm.
  • GIF player.
  • video player.

GacStudio

Porting to New Platforms

  • INativeHostedController + INativeHostedWindow.
    • Implementing these interfaces enable GacUI to run in the hosted single window mode, all GacUI windows and menus are rendered in one native window.
  • SyncTree architecture that streams layout/element changes per GuiControlHost.
    • or called remoting whatever
  • Port GacUI to other platforms:
    • Windows
      • Command/Powershell Line in Windows (hosted)
      • GDI (hosted mode)
      • Direct2d (hosted mode)
      • UWP (hosted mode + sync tree, optional)
    • Linux
      • Ncurses on Ubuntu (hosted)
      • gGac repo: complete development process for release
    • macOS
      • iGac repo: complete development process for release
    • Web Assembly (hosted mode + sync tree)
      • Canvas?
      • DOM?

Binders for other Programming Languages

  • XML still generate C++ files, and they need to be compiled to an appropriate form.
  • Other programming languages doesn't access GacUI objects, instead they implement view model interfaces that defined in XML.
  • Users need to compile C++ code by themselves.
  • Users are not required to write C++ code, but they can.
  • Users can add attributes in XML defined interfaces, so that GacGen can generate a list of them. After that, by reading generated workflow assembly files, glue code can be generated so that users can implement required view modelinterfaces directly. I will provide some tools for listed languages.
  • Resources need to be generated in C++ files, because other languages cannot access GacUI objects, which means they cannot load resources manually.
  • Languages:
    • JavaScript / TypeScript through Web assembly
    • .NET (core?) through dll
    • Python through dll
  • Alternative option:
    • SyncViewMode technique (or call remoting whatever)
    • UI.exe connect view model
      • Compiled from generated code
      • Using dll or rpc to connect to a server written by other languages to serve view model objects.
      • Each way is provided from the library, end users only need a GuiMain function, offered from tutorials.

Optional

GacUI Resource Compiler

  • Remove all loader implementation, enabling custom control types from developers.
    • Try not to include GacUI.cpp if VCZH_DEBUG_METAONLY_REFLECTION is on.
    • mynamespaces::VirtualClasses_X for adding virtual classes deriving from mynamespaces::X.
      • Containing methods like: GuiSelectableButton* CheckBox().
    • mynamespaces::InstanceLoader_X for implementing different kinds of properties / constructors that do not exist in mynamespaces::X.
      • following a naming convention, e.g. GuiTableComposition's rows/columns properties.
      • searching for correct default control templates.
  • Incremental build inside single resource.
    • Calculate dependencies by only parsing.
    • Cache workflow assembly per resource in file.
    • Codegen c++ from multiple workflow assembly.

MISC

  • Use collection interfaces on function signatures.
    • Only if Vlpp decides to add collection interfaces.