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Tables: more consistent use of CellPadding.x*2 and clip-rect on right-most side of non-bordered column + fix cellbg for standalone TableHeader call.

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Using CellPadding.x on both sides when BorderV is off, generally most consistent and with default value (4,2) promotes at-glance visible spacing between non-bordered columns. Effectively double horizontal padding on non-bordered columns.
Made ClipRect.Max.x matches WorkMaxX which is where we'd like to go for windows themselves.
TableHeader() submit single cell bg color if not already submitted as a full header row.
Misc comments/docs updates.
This commit is contained in:
ocornut
2020-12-08 16:26:18 +01:00
parent 9874077fc0
commit 17536f9add
7 changed files with 25 additions and 35 deletions
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19
imgui_tables.cpp
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@ -350,9 +350,8 @@ bool ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
const float inner_spacing_for_border = (flags & ImGuiTableFlags_BordersInnerV) ? TABLE_BORDER_SIZE : 0.0f;
const float inner_spacing_explicit = (pad_inner_x && (flags & ImGuiTableFlags_BordersInnerV) == 0) ? g.Style.CellPadding.x : 0.0f;
const float inner_padding_explicit = (pad_inner_x && (flags & ImGuiTableFlags_BordersInnerV) != 0) ? g.Style.CellPadding.x : 0.0f;
const float inner_spacing = inner_spacing_for_border + inner_spacing_explicit;
table->CellSpacingX1 = ImCeil(inner_spacing * 0.5f);
table->CellSpacingX2 = inner_spacing - table->CellSpacingX1;
table->CellSpacingX1 = inner_spacing_explicit + inner_spacing_for_border;
table->CellSpacingX2 = inner_spacing_explicit;
table->CellPaddingX = inner_padding_explicit;
table->CellPaddingY = g.Style.CellPadding.y;
@ -463,7 +462,7 @@ bool ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
inner_window->SkipItems = true;
// Clear names
// FIXME-TABLES: probably could be done differently...
// FIXME-TABLE: probably could be done differently...
if (table->ColumnsNames.Buf.Size > 0)
{
table->ColumnsNames.Buf.resize(0);
@ -925,7 +924,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
// Lock all our positions
// - ClipRect.Min.x: Because merging draw commands doesn't compare min boundaries, we make ClipRect.Min.x match left bounds to be consistent regardless of merging.
// - ClipRect.Max.x: using WorkMaxX instead of MaxX (aka including padding) is detrimental to visibility in very-small column.
// - ClipRect.Max.x: using WorkMaxX instead of MaxX (aka including padding) makes things more consistent when resizing down, tho slightly detrimental to visibility in very-small column.
// - FIXME-TABLE: We want equal width columns to have equal (ClipRect.Max.x - WorkMinX) width, which means ClipRect.max.x cannot stray off host_clip_rect.Max.x else right-most column may appear shorter.
column->MinX = offset_x;
column->MaxX = offset_x + column->WidthGiven + table->CellSpacingX1 + table->CellSpacingX2 + table->CellPaddingX * 2.0f;
@ -934,7 +933,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
column->ItemWidth = ImFloor(column->WidthGiven * 0.65f);
column->ClipRect.Min.x = column->MinX;
column->ClipRect.Min.y = work_rect.Min.y;
column->ClipRect.Max.x = column->MaxX; // column->WorkMaxX;
column->ClipRect.Max.x = column->WorkMaxX; //column->MaxX;
column->ClipRect.Max.y = FLT_MAX;
column->ClipRect.ClipWithFull(host_clip_rect);
@ -2593,6 +2592,12 @@ void ImGui::TableHeader(const char* label)
TableSetBgColor(ImGuiTableBgTarget_CellBg, col, table->CurrentColumn);
RenderNavHighlight(bb, id, ImGuiNavHighlightFlags_TypeThin | ImGuiNavHighlightFlags_NoRounding);
}
else
{
// Submit single cell bg color in the case we didn't submit a full header row
if ((table->RowFlags & ImGuiTableRowFlags_Headers) == 0)
TableSetBgColor(ImGuiTableBgTarget_CellBg, GetColorU32(ImGuiCol_TableHeaderBg), table->CurrentColumn);
}
if (held)
table->HeldHeaderColumn = (ImGuiTableColumnIdx)column_n;
window->DC.CursorPos.y -= g.Style.ItemSpacing.y * 0.5f;
@ -3269,6 +3274,8 @@ void ImGui::DebugNodeTableSettings(ImGuiTableSettings*) {}
// [SECTION] Columns, BeginColumns, EndColumns, etc.
// (This is a legacy API, prefer using BeginTable/EndTable!)
//-------------------------------------------------------------------------
// FIXME: sizing is lossy when columns width is very small (default width may turn negative etc.)
//-------------------------------------------------------------------------
// - SetWindowClipRectBeforeSetChannel() [Internal]
// - GetColumnIndex()
// - GetColumnsCount()