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Tables: renamed TableBeginUpdateColumns to TableBeginApplyRequests, moved code to TableUpdateLayout, in order to ensure that enable state is not inconsistent due to TableSetupColumn column hiding requests.

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All the fields moved from TableBeginUpdateColumns to TableUpdateLayout are not used before.
features/potocpav-newer-lines-2
ocornut ago%!(EXTRA string=5 years)
parent 79c9eaa78e
commit 082f1d10d0
2 changed files with 82 additions and 68 deletions
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  1. 2
      imgui_internal.h
  2. 148
      imgui_tables.cpp

2
imgui_internal.h
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@ -2282,7 +2282,7 @@ namespace ImGui
// Tables: Internals // Tables: Internals
IMGUI_API ImGuiTable* TableFindByID(ImGuiID id); IMGUI_API ImGuiTable* TableFindByID(ImGuiID id);
IMGUI_API bool BeginTableEx(const char* name, ImGuiID id, int columns_count, ImGuiTableFlags flags = 0, const ImVec2& outer_size = ImVec2(0, 0), float inner_width = 0.0f); IMGUI_API bool BeginTableEx(const char* name, ImGuiID id, int columns_count, ImGuiTableFlags flags = 0, const ImVec2& outer_size = ImVec2(0, 0), float inner_width = 0.0f);
IMGUI_API void TableBeginUpdateColumns(ImGuiTable* table); IMGUI_API void TableBeginApplyRequests(ImGuiTable* table);
IMGUI_API void TableUpdateDrawChannels(ImGuiTable* table); IMGUI_API void TableUpdateDrawChannels(ImGuiTable* table);
IMGUI_API void TableUpdateLayout(ImGuiTable* table); IMGUI_API void TableUpdateLayout(ImGuiTable* table);
IMGUI_API void TableUpdateBorders(ImGuiTable* table); IMGUI_API void TableUpdateBorders(ImGuiTable* table);

148
imgui_tables.cpp
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@ -64,7 +64,7 @@
// Typical call flow: (root level is public API): // Typical call flow: (root level is public API):
// - BeginTable() user begin into a table // - BeginTable() user begin into a table
// | BeginChild() - (if ScrollX/ScrollY is set) // | BeginChild() - (if ScrollX/ScrollY is set)
// | TableBeginUpdateColumns() - apply resize/order requests, lock columns active state, order // | TableBeginApplyRequests() - apply queued resizing/reordering/hiding requests
// | - TableSetColumnWidth() - apply resizing width (for mouse resize, often requested by previous frame) // | - TableSetColumnWidth() - apply resizing width (for mouse resize, often requested by previous frame)
// | - TableUpdateColumnsWeightFromWidth()- recompute columns weights (of stretch columns) from their respective width // | - TableUpdateColumnsWeightFromWidth()- recompute columns weights (of stretch columns) from their respective width
// - TableSetupColumn() user submit columns details (optional) // - TableSetupColumn() user submit columns details (optional)
@ -273,7 +273,6 @@ bool ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
table->LastFrameActive = g.FrameCount; table->LastFrameActive = g.FrameCount;
table->OuterWindow = table->InnerWindow = outer_window; table->OuterWindow = table->InnerWindow = outer_window;
table->ColumnsCount = columns_count; table->ColumnsCount = columns_count;
table->ColumnsNames.Buf.resize(0);
table->IsInitializing = false; table->IsInitializing = false;
table->IsLayoutLocked = false; table->IsLayoutLocked = false;
table->InnerWidth = inner_width; table->InnerWidth = inner_width;
@ -431,13 +430,26 @@ bool ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
// Because we cannot safely assert in EndTable() when no rows have been created, this seems like our best option. // Because we cannot safely assert in EndTable() when no rows have been created, this seems like our best option.
inner_window->SkipItems = true; inner_window->SkipItems = true;
// Update/lock which columns will be Visible for the frame // Clear names
TableBeginUpdateColumns(table); // FIXME-TABLES: probably could be done differently...
if (table->ColumnsNames.Buf.Size > 0)
{
table->ColumnsNames.Buf.resize(0);
for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
{
ImGuiTableColumn* column = &table->Columns[column_n];
column->NameOffset = -1;
}
}
// Apply queued resizing/reordering/hiding requests
TableBeginApplyRequests(table);
return true; return true;
} }
void ImGui::TableBeginUpdateColumns(ImGuiTable* table) // Apply queued resizing/reordering/hiding requests
void ImGui::TableBeginApplyRequests(ImGuiTable* table)
{ {
// Handle resizing request // Handle resizing request
// (We process this at the first TableBegin of the frame) // (We process this at the first TableBegin of the frame)
@ -504,67 +516,6 @@ void ImGui::TableBeginUpdateColumns(ImGuiTable* table)
table->IsResetDisplayOrderRequest = false; table->IsResetDisplayOrderRequest = false;
table->IsSettingsDirty = true; table->IsSettingsDirty = true;
} }
// Lock Visible state and Order
table->ColumnsEnabledCount = 0;
table->IsDefaultDisplayOrder = true;
ImGuiTableColumn* last_visible_column = NULL;
bool want_column_auto_fit = false;
for (int order_n = 0; order_n < table->ColumnsCount; order_n++)
{
const int column_n = table->DisplayOrderToIndex[order_n];
if (column_n != order_n)
table->IsDefaultDisplayOrder = false;
ImGuiTableColumn* column = &table->Columns[column_n];
column->NameOffset = -1;
if (!(table->Flags & ImGuiTableFlags_Hideable) || (column->Flags & ImGuiTableColumnFlags_NoHide))
column->IsEnabledNextFrame = true;
if (column->IsEnabled != column->IsEnabledNextFrame)
{
column->IsEnabled = column->IsEnabledNextFrame;
table->IsSettingsDirty = true;
if (!column->IsEnabled && column->SortOrder != -1)
table->IsSortSpecsDirty = true;
}
if (column->SortOrder > 0 && !(table->Flags & ImGuiTableFlags_MultiSortable))
table->IsSortSpecsDirty = true;
if (column->AutoFitQueue != 0x00)
want_column_auto_fit = true;
ImU64 index_mask = (ImU64)1 << column_n;
ImU64 display_order_mask = (ImU64)1 << column->DisplayOrder;
if (column->IsEnabled)
{
column->PrevEnabledColumn = column->NextEnabledColumn = -1;
if (last_visible_column)
{
last_visible_column->NextEnabledColumn = (ImS8)column_n;
column->PrevEnabledColumn = (ImS8)table->Columns.index_from_ptr(last_visible_column);
}
column->IndexWithinEnabledSet = table->ColumnsEnabledCount;
table->ColumnsEnabledCount++;
table->EnabledMaskByIndex |= index_mask;
table->EnabledMaskByDisplayOrder |= display_order_mask;
last_visible_column = column;
}
else
{
column->IndexWithinEnabledSet = -1;
table->EnabledMaskByIndex &= ~index_mask;
table->EnabledMaskByDisplayOrder &= ~display_order_mask;
}
IM_ASSERT(column->IndexWithinEnabledSet <= column->DisplayOrder);
}
table->EnabledUnclippedMaskByIndex = table->EnabledMaskByIndex; // Columns will be masked out by TableUpdateLayout() when Clipped
table->RightMostEnabledColumn = (ImS8)(last_visible_column ? table->Columns.index_from_ptr(last_visible_column) : -1);
// Disable child window clipping while fitting columns. This is not strictly necessary but makes it possible to avoid
// the column fitting to wait until the first visible frame of the child container (may or not be a good thing).
if (want_column_auto_fit && table->OuterWindow != table->InnerWindow)
table->InnerWindow->SkipItems = false;
if (want_column_auto_fit)
table->IsSettingsDirty = true;
} }
// Adjust flags: default width mode + stretch columns are not allowed when auto extending // Adjust flags: default width mode + stretch columns are not allowed when auto extending
@ -629,6 +580,65 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
table->HoveredColumnBody = -1; table->HoveredColumnBody = -1;
table->HoveredColumnBorder = -1; table->HoveredColumnBorder = -1;
// Lock Enabled state and Order
ImGuiTableColumn* last_visible_column = NULL;
bool want_column_auto_fit = false;
table->IsDefaultDisplayOrder = true;
table->ColumnsEnabledCount = 0;
for (int order_n = 0; order_n < table->ColumnsCount; order_n++)
{
const int column_n = table->DisplayOrderToIndex[order_n];
if (column_n != order_n)
table->IsDefaultDisplayOrder = false;
ImGuiTableColumn* column = &table->Columns[column_n];
if (!(table->Flags & ImGuiTableFlags_Hideable) || (column->Flags & ImGuiTableColumnFlags_NoHide))
column->IsEnabledNextFrame = true;
if (column->IsEnabled != column->IsEnabledNextFrame)
{
column->IsEnabled = column->IsEnabledNextFrame;
table->IsSettingsDirty = true;
if (!column->IsEnabled && column->SortOrder != -1)
table->IsSortSpecsDirty = true;
}
if (column->SortOrder > 0 && !(table->Flags & ImGuiTableFlags_MultiSortable))
table->IsSortSpecsDirty = true;
if (column->AutoFitQueue != 0x00)
want_column_auto_fit = true;
ImU64 index_mask = (ImU64)1 << column_n;
ImU64 display_order_mask = (ImU64)1 << column->DisplayOrder;
if (column->IsEnabled)
{
column->PrevEnabledColumn = column->NextEnabledColumn = -1;
if (last_visible_column)
{
last_visible_column->NextEnabledColumn = (ImS8)column_n;
column->PrevEnabledColumn = (ImS8)table->Columns.index_from_ptr(last_visible_column);
}
column->IndexWithinEnabledSet = table->ColumnsEnabledCount;
table->ColumnsEnabledCount++;
table->EnabledMaskByIndex |= index_mask;
table->EnabledMaskByDisplayOrder |= display_order_mask;
last_visible_column = column;
}
else
{
column->IndexWithinEnabledSet = -1;
table->EnabledMaskByIndex &= ~index_mask;
table->EnabledMaskByDisplayOrder &= ~display_order_mask;
}
IM_ASSERT(column->IndexWithinEnabledSet <= column->DisplayOrder);
}
table->EnabledUnclippedMaskByIndex = table->EnabledMaskByIndex; // Columns will be masked out below when Clipped
table->RightMostEnabledColumn = (ImS8)(last_visible_column ? table->Columns.index_from_ptr(last_visible_column) : -1);
// Disable child window clipping while fitting columns. This is not strictly necessary but makes it possible to avoid
// the column fitting to wait until the first visible frame of the child container (may or not be a good thing).
if (want_column_auto_fit && table->OuterWindow != table->InnerWindow)
table->InnerWindow->SkipItems = false;
if (want_column_auto_fit)
table->IsSettingsDirty = true;
// Compute offset, clip rect for the frame // Compute offset, clip rect for the frame
// (can't make auto padding larger than what WorkRect knows about so right-alignment matches) // (can't make auto padding larger than what WorkRect knows about so right-alignment matches)
const ImRect work_rect = table->WorkRect; const ImRect work_rect = table->WorkRect;
@ -1715,7 +1725,7 @@ void ImGui::TableNextRow(ImGuiTableRowFlags row_flags, float row_min_height)
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImGuiTable* table = g.CurrentTable; ImGuiTable* table = g.CurrentTable;
if (table->CurrentRow == -1) if (!table->IsLayoutLocked)
TableUpdateLayout(table); TableUpdateLayout(table);
if (table->IsInsideRow) if (table->IsInsideRow)
TableEndRow(table); TableEndRow(table);
@ -2509,6 +2519,10 @@ ImGuiTableSortSpecs* ImGui::TableGetSortSpecs()
if (!(table->Flags & ImGuiTableFlags_Sortable)) if (!(table->Flags & ImGuiTableFlags_Sortable))
return NULL; return NULL;
// Require layout (in case TableHeadersRow() hasn't been called) as it may alter IsSortSpecsDirty in some paths.
if (!table->IsLayoutLocked)
TableUpdateLayout(table);
if (table->IsSortSpecsDirty) if (table->IsSortSpecsDirty)
TableSortSpecsBuild(table); TableSortSpecsBuild(table);

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