Tables: Tidying up. Shuffle some columns fields to facilitate debugging + comments + demo tweaks + metrics highlight.
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414f82254b
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@ -3514,12 +3514,12 @@ static void ShowDemoWindowTables()
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ImGui::CheckboxFlags("ImGuiTableFlags_BordersOuter", &flags, ImGuiTableFlags_BordersOuter);
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ImGui::CheckboxFlags("ImGuiTableFlags_BordersInner", &flags, ImGuiTableFlags_BordersInner);
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ImGui::Unindent();
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ImGui::CheckboxFlags("ImGuiTableFlags_NoBordersInBody", &flags, ImGuiTableFlags_NoBordersInBody); ImGui::SameLine(); HelpMarker("Disable vertical borders in columns Body (borders will always appears in Headers");
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ImGui::AlignTextToFramePadding(); ImGui::Text("Cell contents:");
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ImGui::SameLine(); ImGui::RadioButton("Text", &contents_type, CT_Text);
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ImGui::SameLine(); ImGui::RadioButton("FillButton", &contents_type, CT_FillButton);
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ImGui::Checkbox("Display headers", &display_headers);
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ImGui::CheckboxFlags("ImGuiTableFlags_NoBordersInBody", &flags, ImGuiTableFlags_NoBordersInBody); ImGui::SameLine(); HelpMarker("Disable vertical borders in columns Body (borders will always appears in Headers");
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PopStyleCompact();
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if (ImGui::BeginTable("##table1", 3, flags))
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@ -3563,7 +3563,7 @@ static void ShowDemoWindowTables()
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PushStyleCompact();
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ImGui::CheckboxFlags("ImGuiTableFlags_Resizable", &flags, ImGuiTableFlags_Resizable);
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ImGui::CheckboxFlags("ImGuiTableFlags_BordersV", &flags, ImGuiTableFlags_BordersV);
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ImGui::SameLine(); HelpMarker("Using the _Resizable flag automatically enables the _BordersInnerV flag as well.");
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ImGui::SameLine(); HelpMarker("Using the _Resizable flag automatically enables the _BordersInnerV flag as well, this is why the resize borders are still showing when unchecking this.");
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PopStyleCompact();
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if (ImGui::BeginTable("##table1", 3, flags))
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@ -3670,7 +3670,9 @@ static void ShowDemoWindowTables()
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ImGui::SetNextItemOpen(open_action != 0);
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if (ImGui::TreeNode("Reorderable, hideable, with headers"))
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{
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HelpMarker("Click and drag column headers to reorder columns.\n\nYou can also right-click on a header to open a context menu.");
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HelpMarker(
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"Click and drag column headers to reorder columns.\n\n"
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"Right-click on a header to open a context menu.");
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static ImGuiTableFlags flags = ImGuiTableFlags_Resizable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_Hideable | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersV;
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PushStyleCompact();
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ImGui::CheckboxFlags("ImGuiTableFlags_Resizable", &flags, ImGuiTableFlags_Resizable);
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@ -3733,7 +3735,8 @@ static void ShowDemoWindowTables()
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"- BorderOuterV\n"
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"- any form of row selection\n"
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"Because of this, activating BorderOuterV sets the default to PadOuterX. Using PadOuterX or NoPadOuterX you can override the default.\n\n"
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"Actual padding values are using style.CellPadding.");
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"Actual padding values are using style.CellPadding.\n\n"
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"In this demo we don't show horizontal borders to emphasis how they don't affect default horizontal padding.");
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static ImGuiTableFlags flags1 = ImGuiTableFlags_BordersV;
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PushStyleCompact();
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@ -3787,7 +3790,7 @@ static void ShowDemoWindowTables()
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HelpMarker("Setting style.CellPadding to (0,0) or a custom value.");
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static ImGuiTableFlags flags2 = ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg;
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static ImVec2 cell_padding(0.0f, 0.0f);
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static bool show_widget_frame_bg = false;
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static bool show_widget_frame_bg = true;
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PushStyleCompact();
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ImGui::CheckboxFlags("ImGuiTableFlags_Borders", &flags2, ImGuiTableFlags_Borders);
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@ -3833,14 +3836,15 @@ static void ShowDemoWindowTables()
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if (ImGui::TreeNode("Sizing policies"))
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{
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HelpMarker("This section allows you to interact and see the effect of various sizing policies depending on whether Scroll is enabled and the contents of your columns.");
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enum ContentsType { CT_ShortText, CT_LongText, CT_Button, CT_FillButton, CT_InputText };
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static ImGuiTableFlags flags = ImGuiTableFlags_ScrollY | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_RowBg;
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static int contents_type = CT_LongText;
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enum ContentsType { CT_ShowWidth, CT_ShortText, CT_LongText, CT_Button, CT_FillButton, CT_InputText };
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static ImGuiTableFlags flags = ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | ImGuiTableFlags_Resizable;
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static int contents_type = CT_ShowWidth;
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static int column_count = 3;
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PushStyleCompact();
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ImGui::PushItemWidth(TEXT_BASE_WIDTH * 30);
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ImGui::Combo("Contents", &contents_type, "Short Text\0Long Text\0Button\0Fill Button\0InputText\0");
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ImGui::Combo("Contents", &contents_type, "Show width\0Short Text\0Long Text\0Button\0Fill Button\0InputText\0");
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if (contents_type == CT_FillButton)
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{
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ImGui::SameLine();
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@ -3878,7 +3882,8 @@ static void ShowDemoWindowTables()
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switch (contents_type)
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{
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case CT_ShortText: ImGui::TextUnformatted(label); break;
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case CT_LongText: ImGui::Text("Some longer text %d,%d\nOver two lines..", column, row); break;
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case CT_LongText: ImGui::Text("Some %s text %d,%d\nOver two lines..", column == 0 ? "long" : "longeeer", column, row); break;
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case CT_ShowWidth: ImGui::Text("W: %.1f", ImGui::GetContentRegionAvail().x); break;
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case CT_Button: ImGui::Button(label); break;
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case CT_FillButton: ImGui::Button(label, ImVec2(-FLT_MIN, 0.0f)); break;
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case CT_InputText: ImGui::SetNextItemWidth(-FLT_MIN); ImGui::InputText("##", text_buf, IM_ARRAYSIZE(text_buf)); break;
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@ -1910,19 +1910,19 @@ typedef ImU8 ImGuiTableDrawChannelIdx;
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// This is in contrast with some user-facing api such as IsItemVisible() / IsRectVisible() which use "Visible" to mean "not clipped".
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struct ImGuiTableColumn
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{
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ImRect ClipRect; // Clipping rectangle for the column
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ImGuiID UserID; // Optional, value passed to TableSetupColumn()
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ImGuiTableColumnFlags Flags; // Flags after some patching (not directly same as provided by user). See ImGuiTableColumnFlags_
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float WidthGiven; // Final/actual width visible == (MaxX - MinX), locked in TableUpdateLayout(). May be > WidthRequest to honor minimum width, may be < WidthRequest to honor shrinking columns down in tight space.
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float MinX; // Absolute positions
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float MaxX;
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float InitStretchWeightOrWidth; // Value passed to TableSetupColumn(). For Width it is a content width (_without padding_).
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float StretchWeight; // Master width weight when (Flags & _WidthStretch). Often around ~1.0f initially.
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float WidthAuto; // Automatic width
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float WidthRequest; // Master width absolute value when !(Flags & _WidthStretch). When Stretch this is derived every frame from StretchWeight in TableUpdateLayout()
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float WidthGiven; // Final/actual width visible == (MaxX - MinX), locked in TableUpdateLayout(). May be > WidthRequest to honor minimum width, may be < WidthRequest to honor shrinking columns down in tight space.
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float WorkMinX; // Start position for the frame, currently ~(MinX + CellPaddingX)
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float WorkMaxX;
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float ItemWidth;
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float WidthAuto; // Automatic width
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float StretchWeight; // Master width weight when (Flags & _WidthStretch). Often around ~1.0f initially.
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float InitStretchWeightOrWidth; // Value passed to TableSetupColumn(). For Width it is a content width (_without padding_).
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ImRect ClipRect; // Clipping rectangle for the column
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ImGuiID UserID; // Optional, value passed to TableSetupColumn()
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float WorkMinX; // Contents region min ~(MinX + CellPaddingX + CellSpacingX1) == cursor start position when entering column
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float WorkMaxX; // Contents region max ~(MaxX - CellPaddingX - CellSpacingX2)
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float ItemWidth; // Current item width for the column, preserved across rows
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float ContentMaxXFrozen; // Contents maximum position for frozen rows (apart from headers), from which we can infer content width.
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float ContentMaxXUnfrozen;
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float ContentMaxXHeadersUsed; // Contents maximum position for headers rows (regardless of freezing). TableHeader() automatically softclip itself + report ideal desired size, to avoid creating extraneous draw calls
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105
imgui_tables.cpp
105
imgui_tables.cpp
@ -5,6 +5,8 @@
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Index of this file:
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// [SECTION] Commentary
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// [SECTION] Header mess
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// [SECTION] Tables: Main code
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// [SECTION] Tables: Row changes
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// [SECTION] Tables: Columns changes
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@ -24,6 +26,10 @@ Index of this file:
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// - In Visual Studio IDE: CTRL+comma ("Edit.NavigateTo") can follow symbols in comments, whereas CTRL+F12 ("Edit.GoToImplementation") cannot.
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// - With Visual Assist installed: ALT+G ("VAssistX.GoToImplementation") can also follow symbols in comments.
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//-----------------------------------------------------------------------------
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// [SECTION] Commentary
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// Typical tables call flow: (root level is generally public API):
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//-----------------------------------------------------------------------------
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@ -150,6 +156,10 @@ Index of this file:
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// - Scrolling tables with a known outer size can be clipped earlier as BeginTable() will return false.
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// [SECTION] Header mess
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//-----------------------------------------------------------------------------
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#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
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#define _CRT_SECURE_NO_WARNINGS
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#endif
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@ -169,10 +179,6 @@ Index of this file:
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#include <stdint.h> // intptr_t
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#endif
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//-------------------------------------------------------------------------
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// Warnings
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//-------------------------------------------------------------------------
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// Visual Studio warnings
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#ifdef _MSC_VER
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#pragma warning (disable: 4127) // condition expression is constant
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@ -597,8 +603,13 @@ static void TableSetupColumnFlags(ImGuiTable* table, ImGuiTableColumn* column, I
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else
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flags |= ImGuiTableColumnFlags_WidthStretch;
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}
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IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiTableColumnFlags_WidthMask_)); // Check that only 1 of each set is used.
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if (flags & ImGuiTableColumnFlags_WidthAuto)
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else
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{
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IM_ASSERT(ImIsPowerOfTwo(flags & ImGuiTableColumnFlags_WidthMask_)); // Check that only 1 of each set is used.
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}
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// Resize
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if ((flags & ImGuiTableColumnFlags_WidthAuto) != 0 || (table->Flags & ImGuiTableFlags_Resizable) == 0)
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flags |= ImGuiTableColumnFlags_NoResize;
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// Sorting
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@ -652,7 +663,8 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
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// [Part 1] Apply/lock Enabled and Order states. Calculate auto/ideal width for columns.
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// Process columns in their visible orders as we are building the Prev/Next indices.
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int last_visible_column_idx = -1;
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bool want_auto_fit = false;
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bool has_auto_fit_request = false;
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bool has_resizable = false;
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for (int order_n = 0; order_n < table->ColumnsCount; order_n++)
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{
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const int column_n = table->DisplayOrderToIndex[order_n];
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@ -660,11 +672,10 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
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table->IsDefaultDisplayOrder = false;
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ImGuiTableColumn* column = &table->Columns[column_n];
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// Clear column settings if not submitted by user.
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// Currently we make it mandatory to call TableSetupColumn() every frame.
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// It would easily work without but we're ready to guarantee it since e.g. names need resubmission anyway.
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// In theory we could be calling TableSetupColumn() here with dummy values it should yield the same effect.
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if (column_n >= table->DeclColumnsCount)
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// Clear column setup if not submitted by user. Currently we make it mandatory to call TableSetupColumn() every frame.
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// It would easily work without but we're not ready to guarantee it since e.g. names need resubmission anyway.
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// We take a slight shortcut but in theory we could be calling TableSetupColumn() here with dummy values, it should yield the same effect.
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if (table->DeclColumnsCount <= column_n)
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{
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TableSetupColumnFlags(table, column, ImGuiTableColumnFlags_None);
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column->NameOffset = -1;
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@ -672,6 +683,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
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column->InitStretchWeightOrWidth = -1.0f;
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}
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// Update Enabled state, mark settings/sortspecs dirty
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if (!(table->Flags & ImGuiTableFlags_Hideable) || (column->Flags & ImGuiTableColumnFlags_NoHide))
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column->IsEnabledNextFrame = true;
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if (column->IsEnabled != column->IsEnabledNextFrame)
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@ -684,16 +696,11 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
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if (column->SortOrder > 0 && !(table->Flags & ImGuiTableFlags_SortMulti))
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table->IsSortSpecsDirty = true;
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bool start_auto_fit = false;
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if (column->Flags & (ImGuiTableColumnFlags_WidthFixed | ImGuiTableColumnFlags_WidthAuto))
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start_auto_fit = column->WidthRequest < 0.0f;
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else
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start_auto_fit = column->StretchWeight < 0.0f;
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// Auto-fit unsized columns
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const bool start_auto_fit = (column->Flags & (ImGuiTableColumnFlags_WidthFixed | ImGuiTableColumnFlags_WidthAuto)) ? (column->WidthRequest < 0.0f) : (column->StretchWeight < 0.0f);
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if (start_auto_fit)
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column->AutoFitQueue = column->CannotSkipItemsQueue = (1 << 3) - 1; // Fit for three frames
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ImU64 index_mask = (ImU64)1 << column_n;
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ImU64 display_order_mask = (ImU64)1 << column->DisplayOrder;
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if (!column->IsEnabled)
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{
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column->IndexWithinEnabledSet = -1;
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@ -705,10 +712,9 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
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column->NextEnabledColumn = -1;
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if (last_visible_column_idx != -1)
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table->Columns[last_visible_column_idx].NextEnabledColumn = (ImGuiTableColumnIdx)column_n;
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column->IndexWithinEnabledSet = table->ColumnsEnabledCount;
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table->ColumnsEnabledCount++;
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table->EnabledMaskByIndex |= index_mask;
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table->EnabledMaskByDisplayOrder |= display_order_mask;
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column->IndexWithinEnabledSet = table->ColumnsEnabledCount++;
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table->EnabledMaskByIndex |= (ImU64)1 << column_n;
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table->EnabledMaskByDisplayOrder |= (ImU64)1 << column->DisplayOrder;
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last_visible_column_idx = column_n;
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IM_ASSERT(column->IndexWithinEnabledSet <= column->DisplayOrder);
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@ -717,8 +723,11 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
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if (!column->IsPreserveWidthAuto)
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column->WidthAuto = TableGetColumnWidthAuto(table, column);
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const bool column_is_resizable = (column->Flags & ImGuiTableColumnFlags_NoResize) == 0;
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if (column_is_resizable)
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has_resizable = true;
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if (column->AutoFitQueue != 0x00)
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want_auto_fit = true;
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has_auto_fit_request = true;
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}
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if ((table->Flags & ImGuiTableFlags_Sortable) && table->SortSpecsCount == 0 && !(table->Flags & ImGuiTableFlags_SortTristate))
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table->IsSortSpecsDirty = true;
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@ -726,16 +735,15 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
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IM_ASSERT(table->RightMostEnabledColumn >= 0);
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// [Part 2] Disable child window clipping while fitting columns. This is not strictly necessary but makes it possible
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// to avoid the column fitting to wait until the first visible frame of the child container (may or not be a good thing).
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// to avoid the column fitting having to wait until the first visible frame of the child container (may or not be a good thing).
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// FIXME-TABLE: for always auto-resizing columns may not want to do that all the time.
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if (want_auto_fit && table->OuterWindow != table->InnerWindow)
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if (has_auto_fit_request && table->OuterWindow != table->InnerWindow)
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table->InnerWindow->SkipItems = false;
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if (want_auto_fit)
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if (has_auto_fit_request)
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table->IsSettingsDirty = true;
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// [Part 3] Fix column flags. Count how many fixed/stretch columns we have and sum of weights.
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int count_fixed = 0; // Number of columns that have fixed sizing policy (not stretched sizing policy) (this is NOT the opposite of count_resizable!)
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int count_resizable = 0; // Number of columns the user can resize (this is NOT the opposite of count_fixed!)
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float sum_width_requests = 0.0f; // Sum of all width for fixed and auto-resize columns, excluding width contributed by Stretch columns but including spacing/padding.
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float max_width_auto = 0.0f; // Largest auto-width (used for SameWidths feature)
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float stretch_sum_weights = 0.0f; // Sum of all weights for stretch columns.
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@ -746,10 +754,6 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
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continue;
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ImGuiTableColumn* column = &table->Columns[column_n];
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// Count resizable columns
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if ((column->Flags & ImGuiTableColumnFlags_NoResize) == 0)
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count_resizable++;
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if (column->Flags & (ImGuiTableColumnFlags_WidthFixed | ImGuiTableColumnFlags_WidthAuto))
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{
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// Non-resizable columns keep their requested width
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@ -775,8 +779,6 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
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}
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else
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{
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IM_ASSERT_PARANOID(column->Flags & ImGuiTableColumnFlags_WidthStretch);
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if (column->AutoFitQueue != 0x00 || column->StretchWeight < 0.0f)
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column->StretchWeight = (column->InitStretchWeightOrWidth > 0.0f) ? column->InitStretchWeightOrWidth : 1.0f;
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@ -1004,7 +1006,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
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if (g.IO.MousePos.x >= unused_x1)
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table->HoveredColumnBody = (ImGuiTableColumnIdx)table->ColumnsCount;
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}
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if (count_resizable == 0 && (table->Flags & ImGuiTableFlags_Resizable))
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if (has_resizable == false && (table->Flags & ImGuiTableFlags_Resizable))
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table->Flags &= ~ImGuiTableFlags_Resizable;
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// [Part 9] Lock actual OuterRect/WorkRect right-most position.
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@ -1318,20 +1320,21 @@ void ImGui::TableSetupColumn(const char* label, ImGuiTableColumnFlags flags, flo
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if (flags & ImGuiTableColumnFlags_WidthStretch)
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IM_ASSERT(init_width_or_weight != 0.0f && "Need to provide a valid weight!");
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column->InitStretchWeightOrWidth = init_width_or_weight;
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if (table->IsInitializing && column->WidthRequest < 0.0f && column->StretchWeight < 0.0f)
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{
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// Init width or weight
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if ((flags & ImGuiTableColumnFlags_WidthFixed) && init_width_or_weight > 0.0f)
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column->WidthRequest = init_width_or_weight;
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if (flags & ImGuiTableColumnFlags_WidthStretch)
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column->StretchWeight = (init_width_or_weight > 0.0f) ? init_width_or_weight : -1.0f;
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// Disable auto-fit if an explicit width/weight has been specified
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if (init_width_or_weight > 0.0f)
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column->AutoFitQueue = 0x00;
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}
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if (table->IsInitializing)
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{
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// Init width or weight
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if (column->WidthRequest < 0.0f && column->StretchWeight < 0.0f)
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{
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if ((flags & ImGuiTableColumnFlags_WidthFixed) && init_width_or_weight > 0.0f)
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column->WidthRequest = init_width_or_weight;
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if (flags & ImGuiTableColumnFlags_WidthStretch)
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column->StretchWeight = (init_width_or_weight > 0.0f) ? init_width_or_weight : -1.0f;
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// Disable auto-fit if an explicit width/weight has been specified
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if (init_width_or_weight > 0.0f)
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column->AutoFitQueue = 0x00;
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}
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// Init default visibility/sort state
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if ((flags & ImGuiTableColumnFlags_DefaultHide) && (table->SettingsLoadedFlags & ImGuiTableFlags_Hideable) == 0)
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column->IsEnabled = column->IsEnabledNextFrame = false;
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@ -1995,7 +1998,7 @@ void ImGui::TableSetColumnWidthAutoAll(ImGuiTable* table)
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for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
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{
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ImGuiTableColumn* column = &table->Columns[column_n];
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if (!column->IsEnabled && !(column->Flags & ImGuiTableColumnFlags_WidthStretch)) // Can reset weight of hidden stretch column
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if (!column->IsEnabled && !(column->Flags & ImGuiTableColumnFlags_WidthStretch)) // Cannot reset weight of hidden stretch column
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continue;
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column->CannotSkipItemsQueue = (1 << 0);
|
||||
column->AutoFitQueue = (1 << 1);
|
||||
@ -2639,6 +2642,10 @@ void ImGui::TableHeadersRow()
|
||||
ImGuiTable* table = g.CurrentTable;
|
||||
IM_ASSERT(table != NULL && "Need to call TableHeadersRow() after BeginTable()!");
|
||||
|
||||
// Layout if not already done (this is automatically done by TableNextRow, we do it here solely to facilitate stepping in debugger as it is frequent to step in TableUpdateLayout)
|
||||
if (!table->IsLayoutLocked)
|
||||
TableUpdateLayout(table);
|
||||
|
||||
// Open row
|
||||
const float row_y1 = GetCursorScreenPos().y;
|
||||
const float row_height = TableGetHeaderRowHeight();
|
||||
@ -3327,6 +3334,8 @@ void ImGui::DebugNodeTable(ImGuiTable* table)
|
||||
if (!is_active) { PopStyleColor(); }
|
||||
if (IsItemHovered())
|
||||
GetForegroundDrawList()->AddRect(table->OuterRect.Min, table->OuterRect.Max, IM_COL32(255, 255, 0, 255));
|
||||
if (IsItemVisible() && table->HoveredColumnBody != -1)
|
||||
GetForegroundDrawList()->AddRect(GetItemRectMin(), GetItemRectMax(), IM_COL32(255, 255, 0, 255));
|
||||
if (!open)
|
||||
return;
|
||||
bool clear_settings = SmallButton("Clear settings");
|
||||
|
Loading…
Reference in New Issue
Block a user