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Tweaks

omar 2019-12-09 20:11:14 +01:00
parent 20618e41c2
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Glossary.md

@ -41,20 +41,20 @@ Note: when talking about issues related to the multi-viewports feature, always t
**Platform Backend**: refer to the piece of glue code used to have Dear ImGui interact with a given platform (e.g. `imgui_impl_glfw.cpp` file). This code typically creates and destroy _Platform Windows_ associated to each _Viewport_, and setup the _Platform Decorations_ based on _Viewport_ flags.
**Platform Decoration**: refer to the frame and title bar managed and displayed by the Operating System or Widnow Manager.
**Platform Decoration**: refer to the frame and title bar managed and displayed by the Operating System or Window Manager.
**Platform Monitor**: refer to the representation of a monitor. On a modern OS, each monitor are associated to a non-overlapping set of coordinates (position, size), a work area (main area minus OS task bar) and a DPI scaling factor. Dear ImGui takes advantage of _Platform Monitor_ knowledge for certain tasks (for exemple, tooltip windows gets clamped to fit within a single _Platform Monitor_ and not straddle multiple monitors).
**Platform Monitor**: refer to the representation of a monitor. On a modern OS, each monitor are associated to a non-overlapping set of coordinates (position, size), a work area (main area minus OS task bar) and a DPI scaling factor. Dear ImGui takes advantage of _Platform Monitor_ knowledge for certain tasks (for exemple, tooltip windows gets clamped to fit within a single _Platform Monitor_ and not straddle multiple monitors, new popups try to not overlap the OS task-bar).
**Platform Window**: a window managed by the Operating System. This is typically associated to a framebuffer, a swap chain and the machinery to perform 3D rendering via some graphics API.
**ImGui Decoration**: refer to the frame and title bar managed and displayed by _ImGui Windows_.
**ImGui Window**: a window inside of Dear ImGui.
**ImGui Window**: a window managed by Dear ImGui. For the purpose of multi-viewports, we often use "ImGui Window" to refer to top-level _ImGui Window_ only, not child or docked windows.
**Host Viewport**: A _Host Viewport_ can contains multiple root _ImGui Windows_. Currently the _Main Viewport_ is always a _Host Viewport_. In the future we would like to allow application to create 0, 1 or more _Host Viewports_. When a _Host Viewport_ is moved, all the _Dear ImGui Windows_ it contains gets moved along with it. By default, any _ImGui Window_ overlapping a _Host Viewport_ will be merged into it. Setting `io.ConfigViewportsNoAutoMerge` disable that behavior, so every _ImGui Window_ will be hosted by their own unique _Single-Window Viewport_.
**Host Viewport**: A _Host Viewport_ can contains multiple _ImGui Windows_. Currently the _Main Viewport_ is always a _Host Viewport_. In the future we would like to allow application to create 0, 1 or more _Host Viewports_. When a _Host Viewport_ is moved, all the _ImGui Windows_ it contains gets moved along with it. By default, any _ImGui Window_ overlapping a _Host Viewport_ will be merged into it. Setting `io.ConfigViewportsNoAutoMerge` disable that behavior, so every _ImGui Window_ will be hosted by their own unique _Single-Window Viewport_.
**Single-Window Viewport, Owned Viewport**: a _Viewport_ owned by a single root _ImGui Window_. In the typical setup, dragging a _ImGui Window_ outside the boundary of a _Host Viewport_ will create a _Single-Window Viewport_ for the purpose of allowing the _ImGui Window_ to be displayed anywhere on the _Desktop_.
**Single-Window Viewport, Owned Viewport**: a _Viewport_ owned by a single _ImGui Window_. In the typical setup, dragging a _ImGui Window_ outside the boundaries of a _Host Viewport_ will create a _Single-Window Viewport_ for the purpose of allowing the _ImGui Window_ to be displayed anywhere on the _Desktop_.
**Main Viewport**: Due to common usage and backward compatibility reason, the system currently enforce the creation of one _Main Viewport_ which is typically the main application window created by the user application. The _Main Viewport_ is also a _Host Viewport_. In most traditional application, the _Main Viewport_ has _Platform Decorations_ enabled when not maximized, and has _Platform Decorations_ disabled when fullscreen. In the future we would like to completely remove the concept of a "Main Viewport" and instead allow the application to freely create 0, 1 or more _Host Viewports_. Most games applications will create 1 of them, whereas most desktopey applications are expected to create 0 of them. Using this scheme, an application creating no _Host Viewport_ would have every _ImGui Window_ showing inside an individual _Platform Window_ with _Platform Decorations_ disabled.
**Main Viewport**: Due to common usage and backward compatibility reason, the system currently enforce the creation of one _Main Viewport_ which is typically the main application window created by the user application. The _Main Viewport_ is also a _Host Viewport_. In most traditional application, the _Main Viewport_ has _Platform Decorations_ enabled when not maximized, and has _Platform Decorations_ disabled when fullscreen. In the future we would like to completely remove the concept of a "Main Viewport" and instead allow the application to freely create 0, 1 or more _Host Viewports_. Most games applications will create 1 of them, whereas most desktopey applications are expected to create 0 of them. Using this scheme, an application creating no _Host Viewport_ would have every _ImGui Window_ showing inside an individual _Platform Window_ with _Platform Decorations_ disabled. It would become the application responsability to shutdown when all the windows are closed.
**Viewport**: The Dear ImGui representation of a _Platform Window_. When a _Viewport_ is active, Dear ImGui creates a _Platform Window_ for it. Whether the _Platform Window_ has _Platform Decorations_ enabled currently depends on the `io.ConfigViewportsNoDecoration` flag which gets turned into a `ImGuiViewportFlags_NoDecoration` for the _Platform Backend_ to honor.