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Tables: Fixed content size calculation creating feedback loops. Fixed handling of _DefaultSort with _PreferSortXXXflags (@parbo). Comments.

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omar 2020-02-06 18:34:37 +01:00 committed by ocornut
parent 787a309445
commit 104ec408a8
3 changed files with 13 additions and 6 deletions
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4
imgui.h
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@ -1066,9 +1066,9 @@ enum ImGuiTableColumnFlags_
ImGuiTableColumnFlags_None = 0,
ImGuiTableColumnFlags_DefaultHide = 1 << 0, // Default as a hidden column.
ImGuiTableColumnFlags_DefaultSort = 1 << 1, // Default as a sorting column.
ImGuiTableColumnFlags_WidthFixed = 1 << 2, // Column will keep a fixed size, preferable with horizontal scrolling enabled (default if table sizing policy is SizingPolicyFixedX).
ImGuiTableColumnFlags_WidthFixed = 1 << 2, // Column will keep a fixed size, preferable with horizontal scrolling enabled (default if table sizing policy is SizingPolicyFixedX and table is resizable).
ImGuiTableColumnFlags_WidthStretch = 1 << 3, // Column will stretch, preferable with horizontal scrolling disabled (default if table sizing policy is SizingPolicyStretchX).
ImGuiTableColumnFlags_WidthAlwaysAutoResize = 1 << 4, // Column will keep resizing based on submitted contents (with a one frame delay) == Fixed with auto resize
ImGuiTableColumnFlags_WidthAlwaysAutoResize = 1 << 4, // Column will keep resizing based on submitted contents (with a one frame delay) == Fixed with auto resize (default if table sizing policy is SizingPolicyFixedX and table is not resizable).
ImGuiTableColumnFlags_NoResize = 1 << 5, // Disable manual resizing.
ImGuiTableColumnFlags_NoClipX = 1 << 6, // Disable clipping for this column (all NoClipX columns will render in a same draw command).
ImGuiTableColumnFlags_NoSort = 1 << 7, // Disable ability to sort on this field (even if ImGuiTableFlags_Sortable is set on the table).

2
imgui_demo.cpp
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@ -3795,7 +3795,7 @@ static void ShowDemoWindowTables()
case CT_LongText: ImGui::Text("Some longer text %d,%d\nOver two lines..", row, column); break;
case CT_Button: ImGui::Button(label); break;
case CT_StretchButton: ImGui::Button(label, ImVec2(-FLT_MIN, 0.0f)); break;
case CT_InputText: ImGui::SetNextItemWidth(-FLT_MIN); ImGui::InputText(label, text_buf, IM_ARRAYSIZE(text_buf)); break;
case CT_InputText: ImGui::SetNextItemWidth(-FLT_MIN); ImGui::InputText("##", text_buf, IM_ARRAYSIZE(text_buf)); break;
}
}
}

13
imgui_tables.cpp
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@ -487,6 +487,7 @@ static ImGuiTableColumnFlags TableFixColumnFlags(ImGuiTable* table, ImGuiTableCo
// Sizing Policy
if ((flags & ImGuiTableColumnFlags_WidthMask_) == 0)
{
// FIXME-TABLE: Inconsistent to promote columns to WidthAlwaysAutoResize
if (table->Flags & ImGuiTableFlags_SizingPolicyFixedX)
flags |= ((table->Flags & ImGuiTableFlags_Resizable) && !(flags & ImGuiTableColumnFlags_NoResize)) ? ImGuiTableColumnFlags_WidthFixed : ImGuiTableColumnFlags_WidthAlwaysAutoResize;
else
@ -536,7 +537,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
// Compute offset, clip rect for the frame
const ImRect work_rect = table->WorkRect;
const float padding_auto_x = table->CellPaddingX1; // Can't make auto padding larger than what WorkRect knows about so right-alignment matches.
const float padding_auto_x = table->CellPaddingX2; // Can't make auto padding larger than what WorkRect knows about so right-alignment matches.
const float min_column_width = TableGetMinColumnWidth();
int count_fixed = 0;
@ -595,12 +596,13 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
}
// Layout
// Remove -1.0f to cancel out the +1.0f we are doing in EndTable() to make last column line visible
const float width_spacings = table->CellSpacingX * (table->ColumnsActiveCount - 1);
float width_avail;
if ((table->Flags & ImGuiTableFlags_ScrollX) && (table->InnerWidth == 0.0f))
width_avail = table->InnerClipRect.GetWidth() - width_spacings - 1.0f;
else
width_avail = work_rect.GetWidth() - width_spacings - 1.0f; // Remove -1.0f to cancel out the +1.0f we are doing in EndTable() to make last column line visible
width_avail = work_rect.GetWidth() - width_spacings - 1.0f;
const float width_avail_for_stretched_columns = width_avail - width_fixed;
float width_remaining_for_stretched_columns = width_avail_for_stretched_columns;
@ -1406,7 +1408,10 @@ void ImGui::TableSetupColumn(const char* label, ImGuiTableColumnFlags flags,
if (flags & ImGuiTableColumnFlags_DefaultHide)
column->IsActive = column->NextIsActive = false;
if (flags & ImGuiTableColumnFlags_DefaultSort)
{
column->SortOrder = 0; // Multiple columns using _DefaultSort will be reordered when building the sort specs.
column->SortDirection = (column->Flags & ImGuiTableColumnFlags_PreferSortDescending) ? (ImS8)ImGuiSortDirection_Descending : (ImU8)(ImGuiSortDirection_Ascending);
}
}
// Store name (append with zero-terminator in contiguous buffer)
@ -2090,7 +2095,7 @@ void ImGui::TableSortSpecsClickColumn(ImGuiTable* table, ImGuiTableColumn* click
table->IsSortSpecsDirty = true;
}
// Return NULL if no sort specs.
// Return NULL if no sort specs (most often when ImGuiTableFlags_Sortable is not set)
// You can sort your data again when 'SpecsChanged == true'. It will be true with sorting specs have changed since last call, or the first time.
// Lifetime: don't hold on this pointer over multiple frames or past any subsequent call to BeginTable()!
const ImGuiTableSortSpecs* ImGui::TableGetSortSpecs()
@ -2439,10 +2444,12 @@ void ImGui::DebugNodeTable(ImGuiTable* table)
BulletText("Column %d order %d name '%s': +%.1f to +%.1f\n"
"Active: %d, Clipped: %d, DrawChannels: %d,%d\n"
"WidthGiven/Requested: %.1f/%.1f, Weight: %.2f\n"
"ContentWidth: RowsFrozen %d, RowsUnfrozen %d, HeadersUsed/Desired %d/%d\n"
"UserID: 0x%08X, Flags: 0x%04X: %s%s%s%s..",
n, column->IndexDisplayOrder, name ? name : "NULL", column->MinX - table->WorkRect.Min.x, column->MaxX - table->WorkRect.Min.x,
column->IsActive, column->IsClipped, column->DrawChannelRowsBeforeFreeze, column->DrawChannelRowsAfterFreeze,
column->WidthGiven, column->WidthRequested, column->ResizeWeight,
column->ContentWidthRowsFrozen, column->ContentWidthRowsUnfrozen, column->ContentWidthHeadersUsed, column->ContentWidthHeadersDesired,
column->UserID, column->Flags,
(column->Flags & ImGuiTableColumnFlags_WidthFixed) ? "WidthFixed " : "",
(column->Flags & ImGuiTableColumnFlags_WidthStretch) ? "WidthStretch " : "",