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Contents size is preserved while a window collapsed. Fix auto-resizing window losing their size for one frame when uncollapsed.

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This commit is contained in:
omar 2018-12-11 19:08:06 +01:00
parent ccce47c6a2
commit d9a84de9d9
2 changed files with 6 additions and 2 deletions
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5
docs/CHANGELOG.txt
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@ -50,9 +50,10 @@ Other Changes:
(It does not provide the docking/splitting/merging of windows available in the Docking branch)
- Added ImGuiWindowFlags_UnsavedDocument window flag to append '*' to title without altering
the ID, as a convenience to avoid using the ### operator.
- Resizing windows from edge is now enabled by default (io.ConfigWindowsResizeFromEdges=true). Note that
- Window: Contents size is preserved while a window collapsed. Fix auto-resizing window losing their size for one frame when uncollapsed.
- Window: Resizing windows from edge is now enabled by default (io.ConfigWindowsResizeFromEdges=true). Note that
it only works _if_ the back-end sets ImGuiBackendFlags_HasMouseCursors, which the standard back-end do.
- Added io.ConfigWindowsMoveFromTitleBarOnly option. Still is ignored by window with no title bars (often popups).
- Window: Added io.ConfigWindowsMoveFromTitleBarOnly option. Still is ignored by window with no title bars (often popups).
This affects clamping window within the visible area: with this option enabled title bars need to be visible. (#899)
- Style: Tweaked default value of style.DisplayWindowPadding from (20,20) to (19,19) so the default style as a value
which is the same as the title bar height.

3
imgui.cpp
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@ -4332,6 +4332,9 @@ static ImVec2 CalcSizeAfterConstraint(ImGuiWindow* window, ImVec2 new_size)
static ImVec2 CalcSizeContents(ImGuiWindow* window)
{
if (window->Collapsed)
return window->SizeContents;
ImVec2 sz;
sz.x = (float)(int)((window->SizeContentsExplicit.x != 0.0f) ? window->SizeContentsExplicit.x : (window->DC.CursorMaxPos.x - window->Pos.x + window->Scroll.x));
sz.y = (float)(int)((window->SizeContentsExplicit.y != 0.0f) ? window->SizeContentsExplicit.y : (window->DC.CursorMaxPos.y - window->Pos.y + window->Scroll.y));