…o ImGuiWindowClass.

(Could probably do something similar with TabBarFlagsOverrideSet+Clear for ocornut#2700 later.)

…ornut#2771)

Later to lead into ocornut#2700 and ocornut#2539
Move tab submission block above in DockNodeUpdateTabBar(), not strictly necessary for this change as is, but useful if needing to apply override for TitleBg* as we'd need a value for node->VisibleWindow earlier than currently set.

# Conflicts:
#	docs/CHANGELOG.txt
#	imgui.cpp

…izing secondary viewport (ocornut#3766, ocornut#3758)

Cannot repro here but appears to a user on Linux. Fix may be not super solid.

# Conflicts:
#	backends/imgui_impl_win32.cpp
#	docs/CHANGELOG.txt
#	imgui.cpp

…windows (ocornut#3716)

Amended by @ocornut with same fix in DockBuilderRemoveNodeChildNodes().

…hruCentralNode touching the edge of a viewport. (ocornut#3733)

…now pretty much unused and duplicate (and misleading as we will evolve the concept)

Use GetMainViewport() if stuck.

…art of viewport interface to master.

…essary casts of ImGuiViewportP*

Metrics: readded root Drawlists node in metrics to match master.
The (void*) casts are implying const-casst but currently left GetMainViewport() as returning non-const.

…t fields -> WorkPos, WorkSize before exposing in master branch.

# Conflicts:
#	backends/imgui_impl_dx12.cpp
#	backends/imgui_impl_dx9.cpp
#	imgui.cpp
#	imgui.h

…ct() consistent with clamped WorkSize.

…e of a few viewport structures in master

…created. (ocornut#3734) + Metrics updates.

Revert 6bc5266
Showing inferred order and missing flags in metrics.

…ing code for new ImGuiViewportFlags values)

# Conflicts:
#	imgui.cpp
#	imgui.h
#	imgui_demo.cpp
#	imgui_internal.h
#	imgui_widgets.cpp

…rnut#3789, ocornut#1542, ocornut#3680, ocornut#3350, ocornut#3012, ocornut#2471)

Amend the merging of f14042c (merge ee59d7a)

# Conflicts:
#	docs/CHANGELOG.txt

…ut#3800)

… no docked window have a close button or it is disabled on the node, the space is given to tabs.

Clarified close_button_is_visible vs close_button_is_enabled behavior in DockNodeUpdateTabBar().. (ocornut#3633, ocornut#3521)
Reduced alpha of disabled close button a little bit further.
Removed 'EnableCloseButton' which was actually unused (can't be infered early, need ->VisibleWindow anyway, which is not == ->ActiveWindow)

# Conflicts:
#	backends/imgui_impl_dx10.cpp
#	backends/imgui_impl_dx11.cpp
#	backends/imgui_impl_dx12.cpp
#	backends/imgui_impl_dx9.cpp
#	backends/imgui_impl_opengl3.cpp
#	backends/imgui_impl_win32.cpp
#	docs/CHANGELOG.txt
#	examples/example_glfw_vulkan/main.cpp
#	examples/example_sdl_vulkan/main.cpp
#	imgui.cpp

…Docking/Viewports part of Changelog (e.g. removed bits that are now already in master, clarified some added bits)

…t#3213)

…s for specified number of frames.

…#3850)

# Conflicts:
#	backends/imgui_impl_dx9.cpp
#	backends/imgui_impl_win32.cpp
#	docs/CHANGELOG.txt
#	imgui.cpp

# Conflicts:
#	imgui.cpp
#	imgui_widgets.cpp

…>RootWindow.

Why?  So by default RootWindow matches user expectation on both branches, and RootWindowDockTree is more intentful.
(Actually should reduce diff between master<>docking)

… flag in docking branch (ok in master), GLFW: Fix application of WantSetMousePos. (ocornut#1542, ocornut#787)

Shows how little this feature is used with nav (was designed for small devices and frankly may be dropped) - but the backend support itself we will make use of for other features.

…y net to keep code portable + simplified handling of disconnected monitor in Begin().

# Conflicts:
#	imgui.cpp
#	imgui.h
#	misc/debuggers/imgui.natvis

…to old version and back to opt-in but with default 0 = all corners.

# Conflicts:
#	docs/CHANGELOG.txt
#	imgui.cpp

…ir size down to 90% to ease further manipulations.

Kind of a welcome hack.

…ing().

Misc: Add FIXME regarding behavior of some window fields.

…cornut#3881)

…ight ahead, allowing up to generalize placement in any direction (will be done in master)

Amend 75de34e

# Conflicts:
#	backends/imgui_impl_dx9.cpp
#	backends/imgui_impl_sdl.cpp
#	backends/imgui_impl_win32.cpp
#	imgui.cpp
#	imgui_internal.h
#	imgui_widgets.cpp

… (ocornut#3967)

…rdering tabs.

Fixes tab reordering in test engine when using fast mode.

# Conflicts:
#	imgui_widgets.cpp

…rolling.

Some tidying up with helpers + honor 16-bit offsets as with other tab bar features (unlikely single reorder can reach that but consistent)

…ing a GLFW window (ocornut#3837).

…ken by d705192.

3ed07a8 + d705192.

Automation system may drag e.g. right-most tab far left (and vice-versa) and one frame and our current logic would fail at it.

# Conflicts:
#	imgui.cpp
#	imgui_widgets.cpp

…ode.

(tests in "docking_tab_order")

…ing undocked in their initial frame.

…g a tab with extraneous space for one frame.

… chance for in-between code to alter focus. + store per-node window menu button id to simplify usage.

Worked on single-frame click.

…visibility.

# Conflicts:
#	backends/imgui_impl_opengl3.cpp

# Conflicts:
#	imgui.cpp
#	imgui_internal.h

+ fix warning fix for mingw+dx9
# Conflicts:
#	backends/imgui_impl_dx9.cpp
#	imgui.cpp

…nut#4151, ocornut#3759, ocornut#3227)

# Conflicts:
#	backends/imgui_impl_dx10.cpp
#	backends/imgui_impl_dx11.cpp
#	backends/imgui_impl_dx12.cpp
#	backends/imgui_impl_dx9.cpp
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_opengl2.cpp
#	backends/imgui_impl_opengl3.cpp
#	imgui.cpp

…tab. Tweak rendering and alignment of dock node menu marker. (ocornut#4130)

+ Fix ~0 in EndFrameDrawDimmedBackgrounds() which is obsolete way of signifying "all round corners".

# Conflicts:
#	docs/CHANGELOG.txt

# Conflicts:
#	backends/imgui_impl_opengl3.cpp
#	docs/CHANGELOG.txt

…ndows. (ocornut#4177, ocornut#3982, ocornut#1497, ocornut#1061)

… when window not docked. (ocornut#4177, ocornut#3982, ocornut#1497, ocornut#1061)

Fix issue with freshly split windows/nodes incorrectly returning true to IsWindowAppearing().

…n a row. (ocornut#4177, ocornut#3982, ocornut#1497, ocornut#1061) + added a zealous assert.

…oses all windows. (ocornut#4186)

# Conflicts:
#	imgui.cpp
#	imgui_internal.h
#	imgui_widgets.cpp

# Conflicts:
#	backends/imgui_impl_win32.cpp

…nternal.h (ocornut#211)

# Conflicts:
#	imgui.cpp

…onflict with moving a window. (ocornut#4211, ocornut#3025)

…it for fence. (ocornut#4208)

The fence being waited upon was not the one associated with the current frame.
This results in validation error detecting a reset of command buffers still in use and resetting fences while still in use.
Read more details in ocornut#4208

Ref b53b8f5, a7a1b3b

…) - no other change

…ng given a ParentViewportId value of the implicit/fallback window. (ocornut#4236, ocornut#2409)

Amend 3ead982

# Conflicts:
#	backends/imgui_impl_opengl3.cpp
#	imgui.cpp
#	imgui.h
#	imgui_demo.cpp

# Conflicts:
#	backends/imgui_impl_dx10.cpp
#	backends/imgui_impl_dx11.cpp
#	backends/imgui_impl_dx12.cpp
#	backends/imgui_impl_dx9.cpp
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_opengl2.cpp
#	backends/imgui_impl_opengl3.cpp
#	backends/imgui_impl_sdl.cpp
#	backends/imgui_impl_vulkan.cpp
#	backends/imgui_impl_win32.cpp
#	examples/example_apple_opengl2/main.mm

…ctiveIdUsingNavAndKeys().

No need to clear fields before deletion. DX12: renamed to match docking branch.

…tDataXXXX -> ImGui_ImplXXXX_ViewportData and locals (matching naming convention in 70c6038)

…ss. (ocornut#2999, ocornut#3521, ocornut#3633)

+ extraded bits of metrics into DebugNodeDockNodeFlags()

…rnut#3834, ocornut#3633, ocornut#3521, ocornut#3492, ocornut#3335, ocornut#2999, ocornut#2648)

..so that flags enforced by docked windows via the DockNodeFlagsOverrideSet mechanism are are not left in empty dockspace nodes once the windows gets undocked.

…tion of ImGuiDockNodeFlags_NoDockingOverOther which now means "non empty node". (ocornut#3492, ocornut#2648, ocornut#4292)

…uations. (ocornut#3111, ocornut#3179, ocornut#3203, ocornut#4295)

If the deleted root node isn't part of a dockspace with a central node, it won't be "protected" but removed when last window gets removed.

…oating>dockspace.. (ocornut#3203, ocornut#4295)

Which tends to happen when incorrectly calling DockBuilderAddNode() without ImGuiDockNodeFlags_Dockspace and using it as a Dockspace on the next frame after the floating window hosting the node has been automatically created.

# Conflicts:
#	backends/imgui_impl_dx10.cpp
#	backends/imgui_impl_dx11.cpp
#	backends/imgui_impl_dx12.cpp
#	backends/imgui_impl_dx9.cpp
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_opengl3.cpp
#	backends/imgui_impl_sdl.cpp
#	backends/imgui_impl_vulkan.cpp
#	backends/imgui_impl_win32.cpp
#	imgui.cpp
#	imgui_internal.h

# Conflicts:
#	imgui.cpp
#	imgui_internal.h

# Conflicts:
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_sdl.cpp
#	backends/imgui_impl_win32.cpp
#	imgui.cpp

…d + fix GLFW uninstalling handler + tweaks to reduce branch drift with docking. (ocornut#787, ocornut#2445, ocornut#2696, ocornut#3751, ocornut#4377)

# Conflicts:
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_sdl.cpp
#	backends/imgui_impl_win32.cpp