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Demo: Tree selection demo use !IsItemToggledOpen() (#1896) + update FAQ (#4366)

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ocornut
2021-10-25 18:31:16 +02:00
parent 99552420a2
commit 0f2898ea88
3 changed files with 10 additions and 6 deletions
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5
imgui_demo.cpp
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@@ -786,6 +786,7 @@ static void ShowDemoWindowWidgets()
for (int i = 0; i < 6; i++)
{
// Disable the default "open on single-click behavior" + set Selected flag according to our selection.
// To alter selection we use IsItemClicked() && !IsItemToggledOpen(), so clicking on an arrow doesn't alter selection.
ImGuiTreeNodeFlags node_flags = base_flags;
const bool is_selected = (selection_mask & (1 << i)) != 0;
if (is_selected)
@@ -794,7 +795,7 @@ static void ShowDemoWindowWidgets()
{
// Items 0..2 are Tree Node
bool node_open = ImGui::TreeNodeEx((void*)(intptr_t)i, node_flags, "Selectable Node %d", i);
if (ImGui::IsItemClicked())
if (ImGui::IsItemClicked() && !ImGui::IsItemToggledOpen())
node_clicked = i;
if (test_drag_and_drop && ImGui::BeginDragDropSource())
{
@@ -815,7 +816,7 @@ static void ShowDemoWindowWidgets()
// use BulletText() or advance the cursor by GetTreeNodeToLabelSpacing() and call Text().
node_flags |= ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_NoTreePushOnOpen; // ImGuiTreeNodeFlags_Bullet
ImGui::TreeNodeEx((void*)(intptr_t)i, node_flags, "Selectable Leaf %d", i);
if (ImGui::IsItemClicked())
if (ImGui::IsItemClicked() && !ImGui::IsItemToggledOpen())
node_clicked = i;
if (test_drag_and_drop && ImGui::BeginDragDropSource())
{