Misc bug fixes and improvements

Changes:

• Fixed bug with dropdown width when its size is relative (for example 0.5f).
• Fixed tooltip text for complex entities like dropdown and lists.
• Fixed default tooltip text to never leave screen boundaries.
• Added AllowReselectValue mode to lists and dropdown entities.
• Fixed propagating events in lists and dropdown + added base function for that.
• Changed so that selecting the same value in a dropdown would still close it.
• Added msg boxes counter to msg boxes utility + a getter to check if there's anything opened.
• Added extra margin property to allow better control on entities selection.
• Fixed the annoying selection gap in lists and dropdown (clicking right between the lines).
• Fixed disposing render targets properly + adding the IDisposable API to UserInterface and Panels.

Lazy texture loading, ToolTip text, and paragraph background color.

• Changed textures to load lazily and only if used (instead of just loading everything during init).
• Added tooltip text.
• Changed the BeforeDraw callback to run before drawing background entity.
• Added background color property to paragraphs.
• Improved the way lists and dropdown works + fixed selection color.
• Adding entity functions now return the newly added entity.

Bug fixes, improved sliders, better exceptions and focus change event

• Added silent exceptions mode.
• Added custom exceptions for different cases.
• Renamed DropDown.cs file.
• Fixed panel scrollbar update - so it won't be called during interaction, to prevent bugs while scrolling and size changes.
• Fixed dropdown problems when inside scrolled panel.
• Better sliders and scrollbars behavior when changing max value.
• Fixed scrollbars to move one step when clicking on edge.
• Fixed sliders and scrollbars default steps count value.
• Fixed sliders and scrollbars when inside a panel with scrollbar.
• Added focus changed event and callback.
• Added default empty value property to text inputs.

New validators, outline opacity, and message boxes

• Added outline opacity property.
• Added some text validators.
• Improved existing text validators efficiency + added support in spaces / no spaces.
• Added utility to generate message boxes.

Bug Fixes and minor improvements

• Fixed opacity bug.
• Added finer control over blending mode and sampler state.
• Changed progress-bar label to be click-through by default, to make sure the progress-bar can be dragged if not locked.
• Fixed paragraphs that are not left-aligned click and mouse-over detection.
• Fixed combo-box and radio buttons label positioning with global scaling.
• Fixed mouse position on first frame of a new User Interface.

Bug fixes and refactoring

• Removed redundant exception that caused warning on some compilers.
• Made vertical scrollbar adjust max automatically by default.
• Fixed vertical scrollbar with global scale.
• Refactored panel tabs - fixed bugs and made cleaner code (note: this slightly change their behavior).
• Optimized getting sorted children list - less garbage and sorting per frame.
• Refactored panels with scrollbar implementation - fixed bugs and made cleaner code.

Bug fixes, new theme, and some new features

• Added auto Max for vertical scrollbars.
• Fixed bug with lists with height of 0.
• Added option to lock specific items in SelectList.
• Made the MulticolorParagraph the default paragraph type the built-in entities use, with an option to override this behavior via a paragraph generator function.
• Fixed bug with MulticolorParagraph shadow/outline and scaling.
• Added new theme: editor.

Upgraded to 3.6, Added MultiColor paragraph

Changes:

• Made the default GeonBit.UI project use MonoGame 3.6 (as well as the NuGet package).
• Added MultiColor paragraph entity.
• Added default label to progress bars.

For older MonoGame versions, please see tag 2.1.0.0:

https://github.com/RonenNess/GeonBit.UI/releases/tag/2.1.0.0

[Not NuGet released] Last MonoGame 3.5 version!

Changes:

• Added multicolor paragraph entity.
• Default label to progress bars.
• Made UserInterface a plain class (instead of static) with UserInterface.Active static pointer to the currently active interface.

Note: This version is not released as a NuGet package. It is marked as a last tag before I completely move to MonoGame 3.6 and dump the project file for older MonoGame versions.

Added project for MonoGame 3.6 + minor improvements

• Improved strings usage.
• Added project to build GeonBit.UI with MonoGame 3.6.
• Fixed DefaultSize static property to work with inheritance.
• Added Clear() to UserInterface.
• Provided public getter for the root panel.
• Fixed DropDown and auto-anchoring while inside tabs panel.