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Tables: added ImGuiTableFlags_NoHostExtendX instead of using outer_size.x == 0.0f. Changed default outer_size to (0.0f, 0.0f). (#3605)

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This commit is contained in:
ocornut
2021-01-21 16:20:31 +01:00
parent 3b409d2b68
commit 5178c3ce21
4 changed files with 57 additions and 48 deletions
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37
imgui_demo.cpp
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@ -3957,7 +3957,7 @@ static void ShowDemoWindowTables()
ImGui::PopID();
PopStyleCompact();
outer_size = ImVec2(-FLT_MIN, TEXT_BASE_HEIGHT * 7);
outer_size = ImVec2(0.0f, TEXT_BASE_HEIGHT * 7);
if (ImGui::BeginTable("##table2", column_count, flags, outer_size))
{
for (int cell = 0; cell < 10 * column_count; cell++)
@ -3999,8 +3999,8 @@ static void ShowDemoWindowTables()
// When using ScrollX or ScrollY we need to specify a size for our table container!
// Otherwise by default the table will fit all available space, like a BeginChild() call.
ImVec2 size = ImVec2(-FLT_MIN, TEXT_BASE_HEIGHT * 8);
if (ImGui::BeginTable("##table1", 3, flags, size))
ImVec2 outer_size = ImVec2(0.0f, TEXT_BASE_HEIGHT * 8);
if (ImGui::BeginTable("##table1", 3, flags, outer_size))
{
ImGui::TableSetupScrollFreeze(0, 1); // Make top row always visible
ImGui::TableSetupColumn("One", ImGuiTableColumnFlags_None);
@ -4053,7 +4053,7 @@ static void ShowDemoWindowTables()
// When using ScrollX or ScrollY we need to specify a size for our table container!
// Otherwise by default the table will fit all available space, like a BeginChild() call.
ImVec2 outer_size = ImVec2(-FLT_MIN, TEXT_BASE_HEIGHT * 8);
ImVec2 outer_size = ImVec2(0.0f, TEXT_BASE_HEIGHT * 8);
if (ImGui::BeginTable("##table1", 7, flags, outer_size))
{
ImGui::TableSetupScrollFreeze(freeze_cols, freeze_rows);
@ -4154,8 +4154,8 @@ static void ShowDemoWindowTables()
= ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_ScrollX | ImGuiTableFlags_ScrollY
| ImGuiTableFlags_RowBg | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersV
| ImGuiTableFlags_Resizable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_Hideable | ImGuiTableFlags_Sortable;
ImVec2 size = ImVec2(-FLT_MIN, TEXT_BASE_HEIGHT * 9);
if (ImGui::BeginTable("##table", column_count, flags, size))
ImVec2 outer_size = ImVec2(0.0f, TEXT_BASE_HEIGHT * 9);
if (ImGui::BeginTable("##table", column_count, flags, outer_size))
{
for (int column = 0; column < column_count; column++)
ImGui::TableSetupColumn(column_names[column], column_flags[column]);
@ -4312,18 +4312,18 @@ static void ShowDemoWindowTables()
ImGui::SetNextItemOpen(open_action != 0);
if (ImGui::TreeNode("Outer size"))
{
// Showcasing use of outer_size.x == 0.0f and ImGuiTableFlags_NoHostExtendY
// The default value of outer_size.x is -FLT_MIN which right-align tables.
// Using outer_size.x == 0.0f on a table with no scrolling and no stretch column we can make them tighter.
ImGui::Text("Using auto/all width, using NoHostExtendY:");
// Showcasing use of ImGuiTableFlags_NoHostExtendX and ImGuiTableFlags_NoHostExtendY
// Important to that note how the two flags have slightly different behaviors!
ImGui::Text("Using NoHostExtendX and NoHostExtendY:");
PushStyleCompact();
static ImGuiTableFlags flags = ImGuiTableFlags_Borders | ImGuiTableFlags_Resizable | ImGuiTableFlags_ContextMenuInBody | ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingFixedFit;
static bool fixed_fill = false;
ImGui::Checkbox("fill", &fixed_fill);
static ImGuiTableFlags flags = ImGuiTableFlags_Borders | ImGuiTableFlags_Resizable | ImGuiTableFlags_ContextMenuInBody | ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_NoHostExtendX;
ImGui::CheckboxFlags("ImGuiTableFlags_NoHostExtendX", &flags, ImGuiTableFlags_NoHostExtendX);
ImGui::SameLine(); HelpMarker("Make outer width auto-fit to columns, overriding outer_size.x value.\n\nOnly available when ScrollX/ScrollY are disabled and Stretch columns are not used.");
ImGui::CheckboxFlags("ImGuiTableFlags_NoHostExtendY", &flags, ImGuiTableFlags_NoHostExtendY);
ImGui::SameLine(); HelpMarker("Make outer height stop exactly at outer_size.y (prevent auto-extending table past the limit).\n\nOnly available when ScrollX/ScrollY are disabled. Data below the limit will be clipped and not visible.");
PopStyleCompact();
ImVec2 outer_size = ImVec2(fixed_fill ? -FLT_MIN : 0.0f, TEXT_BASE_HEIGHT * 5.5f);
ImVec2 outer_size = ImVec2(0.0f, TEXT_BASE_HEIGHT * 5.5f);
if (ImGui::BeginTable("##table3", 3, flags, outer_size))
{
for (int row = 0; row < 10; row++)
@ -4766,7 +4766,7 @@ static void ShowDemoWindowTables()
ImGui::SameLine(); HelpMarker("When sorting is enabled: allow no sorting, disable default sorting. TableGetSortSpecs() may return specs where (SpecsCount == 0).");
PopStyleCompact();
if (ImGui::BeginTable("##table", 4, flags, ImVec2(-FLT_MIN, TEXT_BASE_HEIGHT * 15), 0.0f))
if (ImGui::BeginTable("##table", 4, flags, ImVec2(0.0f, TEXT_BASE_HEIGHT * 15), 0.0f))
{
// Declare columns
// We use the "user_id" parameter of TableSetupColumn() to specify a user id that will be stored in the sort specifications.
@ -4836,7 +4836,7 @@ static void ShowDemoWindowTables()
static int freeze_cols = 1;
static int freeze_rows = 1;
static int items_count = IM_ARRAYSIZE(template_items_names) * 2;
static ImVec2 outer_size_value = ImVec2(-FLT_MIN, TEXT_BASE_HEIGHT * 12);
static ImVec2 outer_size_value = ImVec2(0.0f, TEXT_BASE_HEIGHT * 12);
static float row_min_height = 0.0f; // Auto
static float inner_width_with_scroll = 0.0f; // Auto-extend
static bool outer_size_enabled = true;
@ -4879,7 +4879,10 @@ static void ShowDemoWindowTables()
{
EditTableSizingFlags(&flags);
ImGui::SameLine(); HelpMarker("In the Advanced demo we override the policy of each column so those table-wide settings have less effect that typical.");
ImGui::CheckboxFlags("ImGuiTableFlags_NoHostExtendX", &flags, ImGuiTableFlags_NoHostExtendX);
ImGui::SameLine(); HelpMarker("Make outer width auto-fit to columns, overriding outer_size.x value.\n\nOnly available when ScrollX/ScrollY are disabled and Stretch columns are not used.");
ImGui::CheckboxFlags("ImGuiTableFlags_NoHostExtendY", &flags, ImGuiTableFlags_NoHostExtendY);
ImGui::SameLine(); HelpMarker("Make outer height stop exactly at outer_size.y (prevent auto-extending table past the limit).\n\nOnly available when ScrollX/ScrollY are disabled. Data below the limit will be clipped and not visible.");
ImGui::CheckboxFlags("ImGuiTableFlags_NoKeepColumnsVisible", &flags, ImGuiTableFlags_NoKeepColumnsVisible);
ImGui::SameLine(); HelpMarker("Only available if ScrollX is disabled.");
ImGui::CheckboxFlags("ImGuiTableFlags_PreciseWidths", &flags, ImGuiTableFlags_PreciseWidths);
@ -4985,7 +4988,7 @@ static void ShowDemoWindowTables()
ImGui::TableSetupColumn("Name", ImGuiTableColumnFlags_WidthFixed, 0.0f, MyItemColumnID_Name);
ImGui::TableSetupColumn("Action", ImGuiTableColumnFlags_NoSort | ImGuiTableColumnFlags_WidthFixed, 0.0f, MyItemColumnID_Action);
ImGui::TableSetupColumn("Quantity", ImGuiTableColumnFlags_PreferSortDescending, 0.0f, MyItemColumnID_Quantity);
ImGui::TableSetupColumn("Description", ImGuiTableColumnFlags_WidthStretch, 0.0f, MyItemColumnID_Description);
ImGui::TableSetupColumn("Description", (flags & ImGuiTableFlags_NoHostExtendX) ? 0 : ImGuiTableColumnFlags_WidthStretch, 0.0f, MyItemColumnID_Description);
ImGui::TableSetupColumn("Hidden", ImGuiTableColumnFlags_DefaultHide | ImGuiTableColumnFlags_NoSort);
ImGui::TableSetupScrollFreeze(freeze_cols, freeze_rows);