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Child Windows: adjust resizing limits to match window padding rather than inner clipping rectangle. (#7440)

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This commit is contained in:
ocornut 2024-03-27 11:36:57 +09:00
parent 515b437c08
commit 742e53434f
2 changed files with 9 additions and 7 deletions
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9
docs/CHANGELOG.txt
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@ -55,10 +55,11 @@ Other changes:
- Windows: Scrollbar visibility decision uses current size when both size and contents
size are submitted by API. (#7252)
- Windows: Double-click to collapse may be disabled via key-ownership mechanism. (#7369)
- Windows: Extend outer resize borders to the edges when there are no corner grips.
Essentially affects resizable child windows. (#7440, #1710) [@cfillion]
- Windows: Resizing logic for child windows evaluates whether per-axis clamping should be
applied based on parent scrollbars, not child scrollbars. (#7440, #1710) [@cfillion]
- Windows: BeginChild(): Extend outer resize borders to the edges when there are no corner
grips. Essentially affects resizable child windows. (#7440, #1710) [@cfillion]
- Windows: BeginChild(): Resizing logic for child windows evaluates whether per-axis clamping
should be applied based on parent scrollbars, not child scrollbars. (#7440, #1710) [@cfillion]
Adjust those resizing limits to match window padding rather than inner clipping rectangle.
- Tables: Angled headers: fixed border hit box extending beyond when used within
non-scrollable tables. (#7416) [@cfillion]
- Tables: Angled headers: fixed borders not moving back up after TableAngleHeadersRow()

7
imgui.cpp
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@ -6030,11 +6030,12 @@ static int ImGui::UpdateWindowManualResize(ImGuiWindow* window, const ImVec2& si
if (flags & ImGuiWindowFlags_ChildWindow) // Clamp resizing of childs within parent
{
ImGuiWindowFlags parent_flags = window->ParentWindow->Flags;
const ImRect parent_rect = window->ParentWindow->InnerClipRect;
ImRect border_limit_rect = window->ParentWindow->InnerRect;
border_limit_rect.Expand(ImVec2(-ImMax(window->WindowPadding.x, window->WindowBorderSize), -ImMax(window->WindowPadding.y, window->WindowBorderSize)));
if ((parent_flags & (ImGuiWindowFlags_HorizontalScrollbar | ImGuiWindowFlags_AlwaysHorizontalScrollbar)) == 0 || (parent_flags & ImGuiWindowFlags_NoScrollbar))
border_target.x = ImClamp(border_target.x, parent_rect.Min.x, parent_rect.Max.x);
border_target.x = ImClamp(border_target.x, border_limit_rect.Min.x, border_limit_rect.Max.x);
if (parent_flags & ImGuiWindowFlags_NoScrollbar)
border_target.y = ImClamp(border_target.y, parent_rect.Min.y, parent_rect.Max.y);
border_target.y = ImClamp(border_target.y, border_limit_rect.Min.y, border_limit_rect.Max.y);
}
if (!ignore_resize)
CalcResizePosSizeFromAnyCorner(window, border_target, ImMin(def.SegmentN1, def.SegmentN2), &pos_target, &size_target);