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Tables: setup and maintain ItemWidth per column.

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This commit is contained in:
ocornut
2020-11-20 16:58:48 +01:00
parent 8f126d5d95
commit 0c9ab0acdd
4 changed files with 80 additions and 29 deletions
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13
imgui_tables.cpp
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@ -82,8 +82,8 @@
// | TableEndRow() - finish existing row
// | TableBeginRow() - add a new row
// - TableSetColumnIndex() / TableNextColumn() user begin into a cell
// | TableEndCell() - close existing cell
// | TableBeginCell() - enter into current cell
// | TableEndCell() - close existing column/cell
// | TableBeginCell() - enter into current column/cell
// - [...] user emit contents
//-----------------------------------------------------------------------------
// - EndTable() user ends the table
@ -320,6 +320,8 @@ bool ImGui::BeginTableEx(const char* name, ImGuiID id, int columns_count, ImG
table->HostBackupParentWorkRect = inner_window->ParentWorkRect;
table->HostBackupColumnsOffset = outer_window->DC.ColumnsOffset;
table->HostBackupCursorMaxPos = inner_window->DC.CursorMaxPos;
table->HostBackupItemWidth = outer_window->DC.ItemWidth;
table->HostBackupItemWidthStackSize = outer_window->DC.ItemWidthStack.Size;
inner_window->ParentWorkRect = table->WorkRect;
// Padding and Spacing
@ -826,6 +828,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
column->ClipRect.Max.y = FLT_MAX;
column->ClipRect.ClipWithFull(host_clip_rect);
column->IsClipped = column->IsSkipItems = true;
column->ItemWidth = 1.0f;
continue;
}
@ -866,6 +869,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
column->MaxX = offset_x + column->WidthGiven + table->CellSpacingX1 + table->CellSpacingX2 + table->CellPaddingX * 2.0f;
column->WorkMinX = column->MinX + table->CellPaddingX + table->CellSpacingX1;
column->WorkMaxX = column->MaxX - table->CellPaddingX - table->CellSpacingX2; // Expected max
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;
@ -1128,11 +1132,14 @@ void ImGui::EndTable()
// Layout in outer window
IM_ASSERT_USER_ERROR(inner_window->IDStack.back() == table->ID + table->InstanceCurrent, "Mismatching PushID/PopID!");
IM_ASSERT_USER_ERROR(outer_window->DC.ItemWidthStack.Size >= table->HostBackupItemWidthStackSize, "Too many PopItemWidth!");
PopID();
inner_window->WorkRect = table->HostBackupWorkRect;
inner_window->ParentWorkRect = table->HostBackupParentWorkRect;
inner_window->SkipItems = table->HostSkipItems;
outer_window->DC.CursorPos = table->OuterRect.Min;
outer_window->DC.ItemWidth = table->HostBackupItemWidth;
outer_window->DC.ItemWidthStack.Size = table->HostBackupItemWidthStackSize;
outer_window->DC.ColumnsOffset = table->HostBackupColumnsOffset;
if (inner_window != outer_window)
{
@ -1927,6 +1934,7 @@ void ImGui::TableBeginCell(ImGuiTable* table, int column_n)
window->WorkRect.Min.y = window->DC.CursorPos.y;
window->WorkRect.Min.x = column->WorkMinX;
window->WorkRect.Max.x = column->WorkMaxX;
window->DC.ItemWidth = column->ItemWidth;
// To allow ImGuiListClipper to function we propagate our row height
if (!column->IsVisible)
@ -1961,6 +1969,7 @@ void ImGui::TableEndCell(ImGuiTable* table)
p_max_pos_x = table->IsUnfrozen ? &column->ContentMaxXUnfrozen : &column->ContentMaxXFrozen;
*p_max_pos_x = ImMax(*p_max_pos_x, window->DC.CursorMaxPos.x);
table->RowPosY2 = ImMax(table->RowPosY2, window->DC.CursorMaxPos.y + table->CellPaddingY);
column->ItemWidth = window->DC.ItemWidth;
// Propagate text baseline for the entire row
// FIXME-TABLE: Here we propagate text baseline from the last line of the cell.. instead of the first one.