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Tables: Added ImGuiTableFlags_ContextMenuInBody flag.

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Worked to get TableOpenContextMenu() in public API but kept it internal.
This commit is contained in:
ocornut
2020-10-01 19:54:10 +02:00
parent 6182973bde
commit e66b28693a
4 changed files with 85 additions and 33 deletions
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68
imgui_demo.cpp
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@ -4104,54 +4104,91 @@ static void ShowDemoWindowTables()
ImGui::SetNextItemOpen(open_action != 0);
if (ImGui::TreeNode("Context menus"))
{
HelpMarker("By default, TableHeadersRow()/TableHeader() will open a context-menu on right-click.");
ImGuiTableFlags flags = ImGuiTableFlags_Resizable | ImGuiTableFlags_SizingPolicyFixedX | ImGuiTableFlags_Reorderable | ImGuiTableFlags_Hideable | ImGuiTableFlags_Borders;
HelpMarker("By default, right-clicking over a TableHeadersRow()/TableHeader() line will open the default context-menu.\nUsing ImGuiTableFlags_ContextMenuInBody we also allow right-clicking over columns body.");
static ImGuiTableFlags flags1 = ImGuiTableFlags_Resizable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_Hideable | ImGuiTableFlags_Borders | ImGuiTableFlags_ContextMenuInBody;
ImGui::CheckboxFlags("ImGuiTableFlags_ContextMenuInBody", (unsigned int*)&flags1, ImGuiTableFlags_ContextMenuInBody);
// Context Menus: first example
// [1.1] Right-click on the TableHeadersRow() line to open the default table context menu.
// [1.2] Right-click in columns also open the default table context menu (if ImGuiTableFlags_ContextMenuInBody is set)
const int COLUMNS_COUNT = 3;
if (ImGui::BeginTable("##table1", COLUMNS_COUNT, flags))
if (ImGui::BeginTable("##table1", COLUMNS_COUNT, flags1))
{
ImGui::TableSetupColumn("One");
ImGui::TableSetupColumn("Two");
ImGui::TableSetupColumn("Three");
// Context Menu 1: right-click on header (including empty section after the third column!) should open Default Table Popup
// [1.1]] Right-click on the TableHeadersRow() line to open the default table context menu.
ImGui::TableHeadersRow();
// Submit dummy contents
for (int row = 0; row < 4; row++)
{
ImGui::TableNextRow();
for (int column = 0; column < COLUMNS_COUNT; column++)
{
ImGui::TableSetColumnIndex(column);
ImGui::PushID(row * COLUMNS_COUNT + column);
ImGui::Text("Cell %d,%d", 0, row);
}
}
ImGui::EndTable();
}
// Context Menus: second example
// [2.1] Right-click on the TableHeadersRow() line to open the default table context menu.
// [2.2] Right-click on the ".." to open a custom popup
// [2.3] Right-click in columns to open another custom popup
HelpMarker("Demonstrate mixing table context menu (over header), item context button (over button) and custom per-colum context menu (over column body).");
ImGuiTableFlags flags2 = ImGuiTableFlags_Resizable | ImGuiTableFlags_SizingPolicyFixedX | ImGuiTableFlags_Reorderable | ImGuiTableFlags_Hideable | ImGuiTableFlags_Borders;
if (ImGui::BeginTable("##table2", COLUMNS_COUNT, flags2))
{
ImGui::TableSetupColumn("One");
ImGui::TableSetupColumn("Two");
ImGui::TableSetupColumn("Three");
// [2.1] Right-click on the TableHeadersRow() line to open the default table context menu.
ImGui::TableHeadersRow();
for (int row = 0; row < 4; row++)
{
ImGui::TableNextRow();
for (int column = 0; column < COLUMNS_COUNT; column++)
{
// Submit dummy contents
ImGui::TableSetColumnIndex(column);
ImGui::Text("Cell %d,%d", column, row);
ImGui::SameLine();
// Context Menu 2: right-click on buttons open Custom Button Popup
// [2.2] Right-click on the ".." to open a custom popup
ImGui::PushID(row * COLUMNS_COUNT + column);
ImGui::SmallButton("..");
if (ImGui::BeginPopupContextItem())
{
ImGui::Text("This is the popup for Button() On Cell %d,%d", column, row);
ImGui::Selectable("Close");
ImGui::Text("This is the popup for Button(\"..\") in Cell %d,%d", column, row);
if (ImGui::Button("Close"))
ImGui::CloseCurrentPopup();
ImGui::EndPopup();
}
ImGui::PopID();
}
}
// Context Menu 3: Right-click anywhere in columns opens a custom popup
// We use the ImGuiPopupFlags_NoOpenOverExistingPopup flag to avoid displaying over either the standard TableHeader context-menu or the Button context-menu.
// [2.3] Right-click anywhere in columns to open another custom popup
// (instead of testing for !IsAnyItemHovered() we could also call OpenPopup() with ImGuiPopupFlags_NoOpenOverExistingPopup
// to manage popup priority as the popups triggers, here "are we hovering a column" are overlapping)
const int hovered_column = ImGui::TableGetHoveredColumn();
for (int column = 0; column < COLUMNS_COUNT + 1; column++)
{
ImGui::PushID(column);
if (hovered_column == column && ImGui::IsMouseReleased(1))
ImGui::OpenPopup("MyPopup", ImGuiPopupFlags_NoOpenOverExistingPopup);
if (hovered_column == column && !ImGui::IsAnyItemHovered() && ImGui::IsMouseReleased(1))
ImGui::OpenPopup("MyPopup");
if (ImGui::BeginPopup("MyPopup"))
{
if (column == COLUMNS_COUNT)
ImGui::Text("This is the popup for unused space after the last column.");
ImGui::Text("This is a custom popup for unused space after the last column.");
else
ImGui::Text("This is the popup for Column '%s'", ImGui::TableGetColumnName(column));
ImGui::Selectable("Close");
ImGui::Text("This is a custom popup for Column %d", column);
if (ImGui::Button("Close"))
ImGui::CloseCurrentPopup();
ImGui::EndPopup();
}
ImGui::PopID();
@ -4289,6 +4326,7 @@ static void ShowDemoWindowTables()
ImGui::CheckboxFlags("ImGuiTableFlags_Sortable", (unsigned int*)&flags, ImGuiTableFlags_Sortable);
ImGui::CheckboxFlags("ImGuiTableFlags_MultiSortable", (unsigned int*)&flags, ImGuiTableFlags_MultiSortable);
ImGui::CheckboxFlags("ImGuiTableFlags_NoSavedSettings", (unsigned int*)&flags, ImGuiTableFlags_NoSavedSettings);
ImGui::CheckboxFlags("ImGuiTableFlags_ContextMenuInBody", (unsigned int*)&flags, ImGuiTableFlags_ContextMenuInBody);
ImGui::Unindent();
ImGui::BulletText("Decoration:");