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Scrolling: Fixed scrolling centering API leading to non-integer scrolling values and initial cursor position. (#3073)

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This would often get fixed after the fix item submission, but using the ImGuiListClipper as the first thing after Begin() could largely break size calculations. (#3073)
This commit is contained in:
omar
2020-03-24 11:56:21 +01:00
parent 110f506ec0
commit 4986dba270
2 changed files with 5 additions and 1 deletions
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3
docs/CHANGELOG.txt
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@@ -45,6 +45,9 @@ Other Changes:
when the menu is not open. (#3030)
- InputText: Fixed password fields displaying ASCII spaces as blanks instead of using the '*'
glyph. (#2149, #515)
- Scrolling: Fixed scrolling centering API leading to non-integer scrolling values and initial
cursor position. This would often get fixed after the fix item submission, but using the
ImGuiListClipper as the first thing after Begin() could largely break size calculations. (#3073)
- Added optional support for Unicode plane 1-16 (#2538, #2541, #2815) [@cloudwu, @samhocevar]
- Compile-time enable with '#define ImWchar ImWchar32' in imconfig.h.
- Generally more consistent support for unsupported codepoints (0xFFFD), in particular when

3
imgui.cpp
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@@ -7283,7 +7283,8 @@ static ImVec2 CalcNextScrollFromScrollTargetAndClamp(ImGuiWindow* window, bool s
target_y = window->ContentSize.y + window->WindowPadding.y * 2.0f;
scroll.y = target_y - cr_y * (window->SizeFull.y - window->ScrollbarSizes.y - decoration_up_height);
}
scroll = ImMax(scroll, ImVec2(0.0f, 0.0f));
scroll.x = IM_FLOOR(ImMax(scroll.x, 0.0f));
scroll.y = IM_FLOOR(ImMax(scroll.y, 0.0f));
if (!window->Collapsed && !window->SkipItems)
{
scroll.x = ImMin(scroll.x, window->ScrollMax.x);