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Tables: added ImGuiTableFlags_PreciseStretchWidths.

This commit is contained in:
ocornut 2020-11-06 14:28:43 +01:00
parent 10db896813
commit 5465d30d67
3 changed files with 28 additions and 16 deletions
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15
imgui.h
View File

@ -1077,15 +1077,16 @@ enum ImGuiTableFlags_
ImGuiTableFlags_SizingPolicyStretchX = 1 << 15, // Default if ScrollX is off. Columns will default to use _WidthStretch policy. Read description above for more details.
ImGuiTableFlags_NoHeadersWidth = 1 << 16, // Disable header width contribution to automatic width calculation.
ImGuiTableFlags_NoHostExtendY = 1 << 17, // (FIXME-TABLE: Reword as SizingPolicy?) Disable extending past the limit set by outer_size.y, only meaningful when neither of ScrollX|ScrollY are set (data below the limit will be clipped and not visible)
ImGuiTableFlags_NoKeepColumnsVisible = 1 << 18, // Disable keeping column always minimally visible when table width gets too small and horizontal scrolling is off.
ImGuiTableFlags_NoClip = 1 << 19, // Disable clipping rectangle for every individual columns (reduce draw command count, items will be able to overflow into other columns). Generally incompatible with TableSetupScrollFreeze().
ImGuiTableFlags_NoKeepColumnsVisible = 1 << 18, // Disable keeping column always minimally visible when table width gets too small and ScrllX is off.
ImGuiTableFlags_PreciseStretchWidths = 1 << 19, // Disable distributing remainder width to stretched columns (width allocation on a 100-wide table with 3 columns: Without this flag: 33,33,34. With this flag: 33,33,33). With larger number of columns, resizing will appear to be less smooth.
ImGuiTableFlags_NoClip = 1 << 20, // Disable clipping rectangle for every individual columns (reduce draw command count, items will be able to overflow into other columns). Generally incompatible with TableSetupScrollFreeze().
// Padding
ImGuiTableFlags_PadOuterX = 1 << 20, // Default if BordersOuterV is on. Enable outer-most padding.
ImGuiTableFlags_NoPadOuterX = 1 << 21, // Default if BordersOuterV is off. Disable outer-most padding.
ImGuiTableFlags_NoPadInnerX = 1 << 22, // Disable inner padding between columns (double inner padding if BordersOuterV is on, single inner padding if BordersOuterV is off).
ImGuiTableFlags_PadOuterX = 1 << 21, // Default if BordersOuterV is on. Enable outer-most padding.
ImGuiTableFlags_NoPadOuterX = 1 << 22, // Default if BordersOuterV is off. Disable outer-most padding.
ImGuiTableFlags_NoPadInnerX = 1 << 23, // Disable inner padding between columns (double inner padding if BordersOuterV is on, single inner padding if BordersOuterV is off).
// Scrolling
ImGuiTableFlags_ScrollX = 1 << 23, // Enable horizontal scrolling. Require 'outer_size' parameter of BeginTable() to specify the container size. Changes default sizing policy. Because this create a child window, ScrollY is currently generally recommended when using ScrollX.
ImGuiTableFlags_ScrollY = 1 << 24, // Enable vertical scrolling. Require 'outer_size' parameter of BeginTable() to specify the container size.
ImGuiTableFlags_ScrollX = 1 << 24, // Enable horizontal scrolling. Require 'outer_size' parameter of BeginTable() to specify the container size. Changes default sizing policy. Because this create a child window, ScrollY is currently generally recommended when using ScrollX.
ImGuiTableFlags_ScrollY = 1 << 25, // Enable vertical scrolling. Require 'outer_size' parameter of BeginTable() to specify the container size.
// [Internal] Combinations and masks
ImGuiTableFlags_SizingPolicyMaskX_ = ImGuiTableFlags_SizingPolicyStretchX | ImGuiTableFlags_SizingPolicyFixedX

24
imgui_demo.cpp
View File

@ -3961,10 +3961,13 @@ static void ShowDemoWindowTables()
enum ContentsType { CT_ShortText, CT_LongText, CT_Button, CT_FillButton, CT_InputText };
static ImGuiTableFlags flags = ImGuiTableFlags_ScrollY | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_RowBg;
static int contents_type = CT_Button;
static int column_count = 3;
PushStyleCompact();
ImGui::SetNextItemWidth(TEXT_BASE_WIDTH * 22);
ImGui::Combo("Contents", &contents_type, "Short Text\0Long Text\0Button\0Fill Button\0InputText\0");
ImGui::SetNextItemWidth(TEXT_BASE_WIDTH * 22);
ImGui::DragInt("Columns", &column_count, 0.1f, 1, 64, "%d", ImGuiSliderFlags_AlwaysClamp);
ImGui::CheckboxFlags("ImGuiTableFlags_BordersInnerH", &flags, ImGuiTableFlags_BordersInnerH);
ImGui::CheckboxFlags("ImGuiTableFlags_BordersOuterH", &flags, ImGuiTableFlags_BordersOuterH);
ImGui::CheckboxFlags("ImGuiTableFlags_BordersInnerV", &flags, ImGuiTableFlags_BordersInnerV);
@ -3977,16 +3980,18 @@ static void ShowDemoWindowTables()
if (ImGui::CheckboxFlags("ImGuiTableFlags_SizingPolicyFixedX", &flags, ImGuiTableFlags_SizingPolicyFixedX))
flags &= ~(ImGuiTableFlags_SizingPolicyMaskX_ ^ ImGuiTableFlags_SizingPolicyFixedX); // Can't specify both sizing polices so we clear the other
ImGui::SameLine(); HelpMarker("Default if _ScrollX if enabled. Makes columns use _WidthFixed by default, or _WidthAlwaysAutoResize if _Resizable is not set.");
ImGui::CheckboxFlags("ImGuiTableFlags_PreciseStretchWidths", &flags, ImGuiTableFlags_PreciseStretchWidths);
ImGui::SameLine(); HelpMarker("Disable distributing remainder width to stretched columns (width allocation on a 100-wide table with 3 columns: Without this flag: 33,33,34. With this flag: 33,33,33). With larger number of columns, resizing will appear to be less smooth.");
ImGui::CheckboxFlags("ImGuiTableFlags_Resizable", &flags, ImGuiTableFlags_Resizable);
ImGui::CheckboxFlags("ImGuiTableFlags_NoClip", &flags, ImGuiTableFlags_NoClip);
PopStyleCompact();
if (ImGui::BeginTable("##3ways", 3, flags, ImVec2(0, 100)))
if (ImGui::BeginTable("##nways", column_count, flags, ImVec2(0, 100)))
{
for (int row = 0; row < 10; row++)
{
ImGui::TableNextRow();
for (int column = 0; column < 3; column++)
for (int column = 0; column < column_count; column++)
{
ImGui::TableSetColumnIndex(column);
char label[32];
@ -4492,11 +4497,8 @@ static void ShowDemoWindowTables()
ImGui::TreePop();
}
if (ImGui::TreeNodeEx("Sizing, Padding:", ImGuiTreeNodeFlags_DefaultOpen))
if (ImGui::TreeNodeEx("Sizing:", ImGuiTreeNodeFlags_DefaultOpen))
{
ImGui::CheckboxFlags("ImGuiTableFlags_PadOuterX", &flags, ImGuiTableFlags_PadOuterX);
ImGui::CheckboxFlags("ImGuiTableFlags_NoPadOuterX", &flags, ImGuiTableFlags_NoPadOuterX);
ImGui::CheckboxFlags("ImGuiTableFlags_NoPadInnerX", &flags, ImGuiTableFlags_NoPadInnerX);
if (ImGui::CheckboxFlags("ImGuiTableFlags_SizingPolicyStretchX", &flags, ImGuiTableFlags_SizingPolicyStretchX))
flags &= ~(ImGuiTableFlags_SizingPolicyMaskX_ ^ ImGuiTableFlags_SizingPolicyStretchX); // Can't specify both sizing polices so we clear the other
ImGui::SameLine(); HelpMarker("[Default if ScrollX is off]\nFit all columns within available width (or specified inner_width). Fixed and Stretch columns allowed.");
@ -4507,11 +4509,21 @@ static void ShowDemoWindowTables()
ImGui::CheckboxFlags("ImGuiTableFlags_NoHostExtendY", &flags, ImGuiTableFlags_NoHostExtendY);
ImGui::CheckboxFlags("ImGuiTableFlags_NoKeepColumnsVisible", &flags, ImGuiTableFlags_NoKeepColumnsVisible);
ImGui::SameLine(); HelpMarker("Only available if ScrollX is disabled.");
ImGui::CheckboxFlags("ImGuiTableFlags_PreciseStretchWidths", &flags, ImGuiTableFlags_PreciseStretchWidths);
ImGui::SameLine(); HelpMarker("Disable distributing remainder width to stretched columns (width allocation on a 100-wide table with 3 columns: Without this flag: 33,33,34. With this flag: 33,33,33). With larger number of columns, resizing will appear to be less smooth.");
ImGui::CheckboxFlags("ImGuiTableFlags_NoClip", &flags, ImGuiTableFlags_NoClip);
ImGui::SameLine(); HelpMarker("Disable clipping rectangle for every individual columns (reduce draw command count, items will be able to overflow into other columns). Generally incompatible with ScrollFreeze options.");
ImGui::TreePop();
}
if (ImGui::TreeNodeEx("Sizing:", ImGuiTreeNodeFlags_DefaultOpen))
{
ImGui::CheckboxFlags("ImGuiTableFlags_PadOuterX", &flags, ImGuiTableFlags_PadOuterX);
ImGui::CheckboxFlags("ImGuiTableFlags_NoPadOuterX", &flags, ImGuiTableFlags_NoPadOuterX);
ImGui::CheckboxFlags("ImGuiTableFlags_NoPadInnerX", &flags, ImGuiTableFlags_NoPadInnerX);
ImGui::TreePop();
}
if (ImGui::TreeNodeEx("Scrolling:", ImGuiTreeNodeFlags_DefaultOpen))
{
ImGui::CheckboxFlags("ImGuiTableFlags_ScrollX", &flags, ImGuiTableFlags_ScrollX);

5
imgui_tables.cpp
View File

@ -759,8 +759,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
// Redistribute remainder width due to rounding (remainder width is < 1.0f * number of Stretch column).
// Using right-to-left distribution (more likely to match resizing cursor), could be adjusted depending
// on where the mouse cursor is and/or relative weights.
// FIXME: Make it optional? User might prefer to preserve pixel perfect same size?
if (width_remaining_for_stretched_columns >= 1.0f)
if (width_remaining_for_stretched_columns >= 1.0f && !(table->Flags & ImGuiTableFlags_PreciseStretchWidths))
for (int order_n = table->ColumnsCount - 1; sum_weights_stretched > 0.0f && width_remaining_for_stretched_columns >= 1.0f && order_n >= 0; order_n--)
{
if (!(table->VisibleMaskByDisplayOrder & ((ImU64)1 << order_n)))
@ -1887,7 +1886,7 @@ void ImGui::TableBeginCell(ImGuiTable* table, int column_n)
window->DC.NavLayerCurrent = (ImGuiNavLayer)column->NavLayerCurrent;
window->WorkRect.Min.y = window->DC.CursorPos.y;
window->WorkRect.Min.x = column->WorkMinX; // == column->MinX + table->CellPaddingX + table->CellSpacingX1;
window->WorkRect.Min.x = column->WorkMinX;
window->WorkRect.Max.x = column->MaxX - table->CellPaddingX - table->CellSpacingX2;
// To allow ImGuiListClipper to function we propagate our row height