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MultiSelect: added ImGuiMultiSelectFlags_NoAutoSelect, ImGuiMultiSelectFlags_NoAutoClear features + added Checkbox Demo

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Refer to "widgets_multiselect_checkboxes" in imgui_test_suite.
This commit is contained in:
ocornut 2024-03-07 16:26:22 +01:00
parent a639346fba
commit e7a734f78d
4 changed files with 158 additions and 50 deletions
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51
imgui_demo.cpp
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@ -3205,6 +3205,55 @@ static void ShowDemoWindowMultiSelect()
ImGui::TreePop();
}
IMGUI_DEMO_MARKER("Widgets/Selection State/Multi-Select (checkboxes)");
if (ImGui::TreeNode("Multi-Select (checkboxes)"))
{
ImGui::Text("In a list of checkboxes (not selectable):");
ImGui::BulletText("Using _NoAutoSelect + _NoAutoClear flags.");
ImGui::BulletText("Shift+Click to check multiple boxes.");
ImGui::BulletText("Shift+Keyboard to copy current value to other boxes.");
static bool values[20] = {};
static ImGuiMultiSelectFlags flags = ImGuiMultiSelectFlags_NoAutoSelect | ImGuiMultiSelectFlags_NoAutoClear | ImGuiMultiSelectFlags_ClearOnEscape;
ImGui::CheckboxFlags("ImGuiMultiSelectFlags_NoAutoSelect", &flags, ImGuiMultiSelectFlags_NoAutoSelect);
ImGui::CheckboxFlags("ImGuiMultiSelectFlags_NoAutoClear", &flags, ImGuiMultiSelectFlags_NoAutoClear);
ImGui::CheckboxFlags("ImGuiMultiSelectFlags_BoxSelect", &flags, ImGuiMultiSelectFlags_BoxSelect);
struct Funcs
{
static void ApplyMultiSelectRequestsToBoolArray(ImGuiMultiSelectIO* ms_io, bool items[], int items_count)
{
for (ImGuiSelectionRequest& req : ms_io->Requests)
{
if (req.Type == ImGuiSelectionRequestType_SetAll)
for (int n = 0; n < items_count; n++)
items[n] = req.Selected;
else if (req.Type == ImGuiSelectionRequestType_SetRange)
for (int n = (int)req.RangeFirstItem; n <= (int)req.RangeLastItem; n++)
items[n] = req.Selected;
}
}
};
if (ImGui::BeginChild("##Basket", ImVec2(-FLT_MIN, ImGui::GetFontSize() * 20), ImGuiChildFlags_Border | ImGuiChildFlags_ResizeY))
{
ImGuiMultiSelectIO* ms_io = ImGui::BeginMultiSelect(flags);
Funcs::ApplyMultiSelectRequestsToBoolArray(ms_io, values, IM_ARRAYSIZE(values)); //// By specs, it could be optional to apply requests from BeginMultiSelect() if not using a clipper.
for (int n = 0; n < 20; n++)
{
char label[32];
sprintf(label, "Item %d", n);
ImGui::SetNextItemSelectionUserData(n);
ImGui::Checkbox(label, &values[n]);
}
ms_io = ImGui::EndMultiSelect();
Funcs::ApplyMultiSelectRequestsToBoolArray(ms_io, values, IM_ARRAYSIZE(values));
}
ImGui::EndChild();
ImGui::TreePop();
}
// Demonstrate individual selection scopes in same window
IMGUI_DEMO_MARKER("Widgets/Selection State/Multi-Select (multiple scopes)");
if (ImGui::TreeNode("Multi-Select (multiple scopes)"))
@ -3290,6 +3339,8 @@ static void ShowDemoWindowMultiSelect()
ImGui::CheckboxFlags("ImGuiMultiSelectFlags_SingleSelect", &flags, ImGuiMultiSelectFlags_SingleSelect);
ImGui::CheckboxFlags("ImGuiMultiSelectFlags_NoSelectAll", &flags, ImGuiMultiSelectFlags_NoSelectAll);
ImGui::CheckboxFlags("ImGuiMultiSelectFlags_NoRangeSelect", &flags, ImGuiMultiSelectFlags_NoRangeSelect);
ImGui::CheckboxFlags("ImGuiMultiSelectFlags_NoAutoSelect", &flags, ImGuiMultiSelectFlags_NoAutoSelect);
ImGui::CheckboxFlags("ImGuiMultiSelectFlags_NoAutoClear", &flags, ImGuiMultiSelectFlags_NoAutoClear);
ImGui::CheckboxFlags("ImGuiMultiSelectFlags_BoxSelect", &flags, ImGuiMultiSelectFlags_BoxSelect);
ImGui::CheckboxFlags("ImGuiMultiSelectFlags_BoxSelectNoScroll", &flags, ImGuiMultiSelectFlags_BoxSelectNoScroll);
ImGui::CheckboxFlags("ImGuiMultiSelectFlags_ClearOnEscape", &flags, ImGuiMultiSelectFlags_ClearOnEscape);