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Columns: Improved honoring left-most and right-most alignment with various values of ItemSpacing.x and WindowPadding.x. In particular, the right-most edge now reaches up to the clipping rectangle while ensuring that the right-most column clipping width matches others. (#125, #2666)

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This commit is contained in:
omar 2019-07-17 18:40:48 -07:00
parent e28d20c3e2
commit 6c16ba6490
2 changed files with 14 additions and 8 deletions
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3
docs/CHANGELOG.txt
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@ -58,6 +58,9 @@ Other Changes:
- TabBar: Fixed unfocused tab bar separator color (was using ImGuiCol_Tab, should use ImGuiCol_TabUnfocusedActive). - TabBar: Fixed unfocused tab bar separator color (was using ImGuiCol_Tab, should use ImGuiCol_TabUnfocusedActive).
- Columns: Fixed a regression from 1.71 where the right-side of the contents rectangle within each column - Columns: Fixed a regression from 1.71 where the right-side of the contents rectangle within each column
would wrongly use a WindowPadding.x instead of ItemSpacing.x like it always did. (#125, #2666) would wrongly use a WindowPadding.x instead of ItemSpacing.x like it always did. (#125, #2666)
- Columns: Improved honoring left-most and right-most alignment with various values of ItemSpacing.x and
WindowPadding.x. In particular, the right-most edge now reaches up to the clipping rectangle while
ensuring that the right-most column clipping width matches others. (#125, #2666)
- Word-wrapping: Fixed overzealous word-wrapping when glyph edge lands exactly on the limit. Because - Word-wrapping: Fixed overzealous word-wrapping when glyph edge lands exactly on the limit. Because
of this, auto-fitting exactly unwrapped text would make it wrap. (fixes initial 1.15 commit, 78645a7d). of this, auto-fitting exactly unwrapped text would make it wrap. (fixes initial 1.15 commit, 78645a7d).
- Scrolling: Added SetScrollHereX(), SetScrollFromPosX() for completeness. (#1580) [@kevreco] - Scrolling: Added SetScrollHereX(), SetScrollFromPosX() for completeness. (#1580) [@kevreco]

19
imgui_widgets.cpp
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@ -7294,18 +7294,19 @@ void ImGui::BeginColumns(const char* str_id, int columns_count, ImGuiColumnsFlag
columns->Flags = flags; columns->Flags = flags;
window->DC.CurrentColumns = columns; window->DC.CurrentColumns = columns;
// Set state for first column
const float column_padding = g.Style.ItemSpacing.x;
columns->OffMinX = window->DC.Indent.x - column_padding;
columns->OffMaxX = window->WorkRect.Max.x - window->Pos.x;
columns->OffMaxX = ImMax(columns->OffMaxX, columns->OffMinX + 1.0f);
columns->HostCursorPosY = window->DC.CursorPos.y; columns->HostCursorPosY = window->DC.CursorPos.y;
columns->HostCursorMaxPosX = window->DC.CursorMaxPos.x; columns->HostCursorMaxPosX = window->DC.CursorMaxPos.x;
columns->HostClipRect = window->ClipRect; columns->HostClipRect = window->ClipRect;
columns->HostWorkRect = window->WorkRect; columns->HostWorkRect = window->WorkRect;
// Set state for first column
// We aim so that the right-most column will have the same clipping width as other after being clipped by parent ClipRect
const float column_padding = g.Style.ItemSpacing.x;
const float half_clip_extend_x = ImFloor(ImMax(window->WindowPadding.x * 0.5f, window->WindowBorderSize));
columns->OffMinX = window->DC.Indent.x - column_padding + ImMax(column_padding - window->WindowPadding.x, 0.0f);
columns->OffMaxX = ImMin(window->WorkRect.Max.x + column_padding - ImMax(column_padding - window->WindowPadding.x, 0.0f), window->WorkRect.Max.x + half_clip_extend_x) - window->Pos.x;
columns->OffMaxX = ImMax(columns->OffMaxX, columns->OffMinX + 1.0f);
columns->LineMinY = columns->LineMaxY = window->DC.CursorPos.y; columns->LineMinY = columns->LineMaxY = window->DC.CursorPos.y;
window->DC.ColumnsOffset.x = 0.0f;
window->DC.CursorPos.x = (float)(int)(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x);
// Clear data if columns count changed // Clear data if columns count changed
if (columns->Columns.Size != 0 && columns->Columns.Size != columns_count + 1) if (columns->Columns.Size != 0 && columns->Columns.Size != columns_count + 1)
@ -7345,6 +7346,8 @@ void ImGui::BeginColumns(const char* str_id, int columns_count, ImGuiColumnsFlag
float offset_1 = GetColumnOffset(columns->Current + 1); float offset_1 = GetColumnOffset(columns->Current + 1);
float width = offset_1 - offset_0; float width = offset_1 - offset_0;
PushItemWidth(width * 0.65f); PushItemWidth(width * 0.65f);
window->DC.ColumnsOffset.x = columns->OffMinX - window->DC.Indent.x + column_padding;
window->DC.CursorPos.x = (float)(int)(window->Pos.x + window->DC.Indent.x + window->DC.ColumnsOffset.x);
window->WorkRect.Max.x = window->Pos.x + offset_1 - column_padding; window->WorkRect.Max.x = window->Pos.x + offset_1 - column_padding;
} }
@ -7379,7 +7382,7 @@ void ImGui::NextColumn()
{ {
// New row/line // New row/line
// Column 0 honor IndentX // Column 0 honor IndentX
window->DC.ColumnsOffset.x = 0.0f; window->DC.ColumnsOffset.x = columns->OffMinX - window->DC.Indent.x + column_padding;
window->DrawList->ChannelsSetCurrent(1); window->DrawList->ChannelsSetCurrent(1);
columns->Current = 0; columns->Current = 0;
columns->LineMinY = columns->LineMaxY; columns->LineMinY = columns->LineMaxY;