From 5053d79a2431d2367b55a805a394af45d532952b Mon Sep 17 00:00:00 2001 From: ocornut Date: Mon, 9 Oct 2023 20:35:57 +0200 Subject: [PATCH] Tables: Internal: rework so stacked headers height may be used. --- imgui.cpp | 4 ++-- imgui_internal.h | 9 ++------- imgui_tables.cpp | 35 +++++++++++++++++------------------ 3 files changed, 21 insertions(+), 27 deletions(-) diff --git a/imgui.cpp b/imgui.cpp index 346d48a7..c32e4e89 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -13799,8 +13799,8 @@ void ImGui::ShowMetricsWindow(bool* p_open) else if (rect_type == TRT_ColumnsRect) { ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->MinX, table->InnerClipRect.Min.y, c->MaxX, table->InnerClipRect.Min.y + table_instance->LastOuterHeight); } else if (rect_type == TRT_ColumnsWorkRect) { ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->WorkMinX, table->WorkRect.Min.y, c->WorkMaxX, table->WorkRect.Max.y); } else if (rect_type == TRT_ColumnsClipRect) { ImGuiTableColumn* c = &table->Columns[n]; return c->ClipRect; } - else if (rect_type == TRT_ColumnsContentHeadersUsed){ ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->WorkMinX, table->InnerClipRect.Min.y, c->ContentMaxXHeadersUsed, table->InnerClipRect.Min.y + table_instance->LastFirstRowHeight); } // Note: y1/y2 not always accurate - else if (rect_type == TRT_ColumnsContentHeadersIdeal){ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->WorkMinX, table->InnerClipRect.Min.y, c->ContentMaxXHeadersIdeal, table->InnerClipRect.Min.y + table_instance->LastFirstRowHeight); } + else if (rect_type == TRT_ColumnsContentHeadersUsed){ ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->WorkMinX, table->InnerClipRect.Min.y, c->ContentMaxXHeadersUsed, table->InnerClipRect.Min.y + table_instance->LastTopHeadersRowHeight); } // Note: y1/y2 not always accurate + else if (rect_type == TRT_ColumnsContentHeadersIdeal){ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->WorkMinX, table->InnerClipRect.Min.y, c->ContentMaxXHeadersIdeal, table->InnerClipRect.Min.y + table_instance->LastTopHeadersRowHeight); } else if (rect_type == TRT_ColumnsContentFrozen) { ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->WorkMinX, table->InnerClipRect.Min.y, c->ContentMaxXFrozen, table->InnerClipRect.Min.y + table_instance->LastFrozenHeight); } else if (rect_type == TRT_ColumnsContentUnfrozen) { ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->WorkMinX, table->InnerClipRect.Min.y + table_instance->LastFrozenHeight, c->ContentMaxXUnfrozen, table->InnerClipRect.Max.y); } IM_ASSERT(0); diff --git a/imgui_internal.h b/imgui_internal.h index b9efac24..19ff1b00 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -2,11 +2,6 @@ // (internal structures/api) // You may use this file to debug, understand or extend Dear ImGui features but we don't provide any guarantee of forward compatibility. -// To implement maths operators for ImVec2 (disabled by default to not conflict with using IM_VEC2_CLASS_EXTRA with your own math types+operators), use: -/* -#define IMGUI_DEFINE_MATH_OPERATORS -#include "imgui_internal.h" -*/ /* @@ -2678,12 +2673,12 @@ struct ImGuiTableInstanceData { ImGuiID TableInstanceID; float LastOuterHeight; // Outer height from last frame - float LastFirstRowHeight; // Height of first row from last frame (FIXME: this is used as "header height" and may be reworked) + float LastTopHeadersRowHeight; // Height of first consecutive header rows from last frame (FIXME: this is used assuming consecutive headers are in same frozen set) float LastFrozenHeight; // Height of frozen section from last frame int HoveredRowLast; // Index of row which was hovered last frame. int HoveredRowNext; // Index of row hovered this frame, set after encountering it. - ImGuiTableInstanceData() { TableInstanceID = 0; LastOuterHeight = LastFirstRowHeight = LastFrozenHeight = 0.0f; HoveredRowLast = HoveredRowNext = -1; } + ImGuiTableInstanceData() { TableInstanceID = 0; LastOuterHeight = LastTopHeadersRowHeight = LastFrozenHeight = 0.0f; HoveredRowLast = HoveredRowNext = -1; } }; // FIXME-TABLE: more transient data could be stored in a stacked ImGuiTableTempData: e.g. SortSpecs, incoming RowData diff --git a/imgui_tables.cpp b/imgui_tables.cpp index 01851bf6..95f90064 100644 --- a/imgui_tables.cpp +++ b/imgui_tables.cpp @@ -1157,7 +1157,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table) // [Part 10] Hit testing on borders if (table->Flags & ImGuiTableFlags_Resizable) TableUpdateBorders(table); - table_instance->LastFirstRowHeight = 0.0f; + table_instance->LastTopHeadersRowHeight = 0.0f; table->IsLayoutLocked = true; table->IsUsingHeaders = false; @@ -1203,7 +1203,7 @@ void ImGui::TableUpdateBorders(ImGuiTable* table) const float hit_half_width = TABLE_RESIZE_SEPARATOR_HALF_THICKNESS; const float hit_y1 = table->OuterRect.Min.y; const float hit_y2_body = ImMax(table->OuterRect.Max.y, hit_y1 + table_instance->LastOuterHeight); - const float hit_y2_head = hit_y1 + table_instance->LastFirstRowHeight; + const float hit_y2_head = hit_y1 + table_instance->LastTopHeadersRowHeight; for (int order_n = 0; order_n < table->ColumnsCount; order_n++) { @@ -1461,7 +1461,7 @@ void ImGui::EndTable() NavUpdateCurrentWindowIsScrollPushableX(); } -// See "COLUMN SIZING POLICIES" comments at the top of this file +// See "COLUMNS SIZING POLICIES" comments at the top of this file // If (init_width_or_weight <= 0.0f) it is ignored void ImGui::TableSetupColumn(const char* label, ImGuiTableColumnFlags flags, float init_width_or_weight, ImGuiID user_id) { @@ -1836,15 +1836,16 @@ void ImGui::TableEndRow(ImGuiTable* table) const float bg_y2 = table->RowPosY2; const bool unfreeze_rows_actual = (table->CurrentRow + 1 == table->FreezeRowsCount); const bool unfreeze_rows_request = (table->CurrentRow + 1 == table->FreezeRowsRequest); - if (table->CurrentRow == 0) - TableGetInstanceData(table, table->InstanceCurrent)->LastFirstRowHeight = bg_y2 - bg_y1; + ImGuiTableInstanceData* table_instance = TableGetInstanceData(table, table->InstanceCurrent); + if ((table->RowFlags & ImGuiTableRowFlags_Headers) && (table->CurrentRow == 0 || (table->LastRowFlags & ImGuiTableRowFlags_Headers))) + table_instance->LastTopHeadersRowHeight += bg_y2 - bg_y1; const bool is_visible = (bg_y2 >= table->InnerClipRect.Min.y && bg_y1 <= table->InnerClipRect.Max.y); if (is_visible) { // Update data for TableGetHoveredRow() if (table->HoveredColumnBody != -1 && g.IO.MousePos.y >= bg_y1 && g.IO.MousePos.y < bg_y2) - TableGetInstanceData(table, table->InstanceCurrent)->HoveredRowNext = table->CurrentRow; + table_instance->HoveredRowNext = table->CurrentRow; // Decide of background color for the row ImU32 bg_col0 = 0; @@ -1922,7 +1923,7 @@ void ImGui::TableEndRow(ImGuiTable* table) IM_ASSERT(table->IsUnfrozenRows == false); const float y0 = ImMax(table->RowPosY2 + 1, window->InnerClipRect.Min.y); table->IsUnfrozenRows = true; - TableGetInstanceData(table, table->InstanceCurrent)->LastFrozenHeight = y0 - table->OuterRect.Min.y; + table_instance->LastFrozenHeight = y0 - table->OuterRect.Min.y; // BgClipRect starts as table->InnerClipRect, reduce it now and make BgClipRectForDrawCmd == BgClipRect table->BgClipRect.Min.y = table->Bg2ClipRectForDrawCmd.Min.y = ImMin(y0, window->InnerClipRect.Max.y); @@ -2599,7 +2600,7 @@ void ImGui::TableDrawBorders(ImGuiTable* table) const float border_size = TABLE_BORDER_SIZE; const float draw_y1 = table->InnerRect.Min.y + ((table->Flags & ImGuiTableFlags_BordersOuterH) ? 1.0f : 0.0f); const float draw_y2_body = table->InnerRect.Max.y; - const float draw_y2_head = table->IsUsingHeaders ? ImMin(table->InnerRect.Max.y, (table->FreezeRowsCount >= 1 ? table->InnerRect.Min.y : table->WorkRect.Min.y) + table_instance->LastFirstRowHeight) : draw_y1; + const float draw_y2_head = table->IsUsingHeaders ? ImMin(table->InnerRect.Max.y, (table->FreezeRowsCount >= 1 ? table->InnerRect.Min.y : table->WorkRect.Min.y) + table_instance->LastTopHeadersRowHeight) : draw_y1; if (table->Flags & ImGuiTableFlags_BordersInnerV) { for (int order_n = 0; order_n < table->ColumnsCount; order_n++) @@ -2890,16 +2891,14 @@ float ImGui::TableGetHeaderRowHeight() // Calculate row height, for the unlikely case that some labels may be taller than others. // If we didn't do that, uneven header height would highlight but smaller one before the tallest wouldn't catch input for all height. // In your custom header row you may omit this all together and just call TableNextRow() without a height... - float row_height = GetTextLineHeight(); - int columns_count = TableGetColumnCount(); - for (int column_n = 0; column_n < columns_count; column_n++) - { - ImGuiTableColumnFlags flags = TableGetColumnFlags(column_n); - if ((flags & ImGuiTableColumnFlags_IsEnabled) && !(flags & ImGuiTableColumnFlags_NoHeaderLabel)) - row_height = ImMax(row_height, CalcTextSize(TableGetColumnName(column_n)).y); - } - row_height += GetStyle().CellPadding.y * 2.0f; - return row_height; + ImGuiContext& g = *GImGui; + ImGuiTable* table = g.CurrentTable; + float row_height = g.FontSize; + for (int column_n = 0; column_n < table->ColumnsCount; column_n++) + if (IM_BITARRAY_TESTBIT(table->EnabledMaskByIndex, column_n)) + if ((table->Columns[column_n].Flags & ImGuiTableColumnFlags_NoHeaderLabel) == 0) + row_height = ImMax(row_height, CalcTextSize(TableGetColumnName(table, column_n)).y); + return row_height + g.Style.CellPadding.y * 2.0f; } // [Public] This is a helper to output TableHeader() calls based on the column names declared in TableSetupColumn().