Drezil/imgui
1
0
Fork 0
mirror of https://github.com/Drezil/imgui.git synced 2025-07-15 17:23:13 +02:00
Code Issues Packages Projects Releases Wiki Activity

TreeNodeEx(): ImGuiTreeNodeFlags_AlwaysOpen->ImGuiTreeNodeFlags_Leaf, + added ImGuiTreeNodeFlags_Bullet (#324, #581)

Browse Source
This commit is contained in:
ocornut
2016-05-28 17:12:13 +02:00
parent 2acb61e3a1
commit 806a146198
3 changed files with 35 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
imgui_demo.cpp
View File

@ -253,22 +253,34 @@ void ImGui::ShowTestWindow(bool* p_open)
if (ImGui::TreeNode("With selectable nodes"))
{
ShowHelpMarker("Click to select, CTRL+Click to toggle, click on arrows to open");
static int selection_mask = 0x02; // Dumb representation of what may be user-side selection state. You may carry selection state inside or outside your objects in whatever format you see fit.
int node_clicked = -1;
ShowHelpMarker("This is a more standard looking tree with selectable nodes.\nClick to select, CTRL+Click to toggle, click on arrows or double-click to open.");
ImGui::PushStyleVar(ImGuiStyleVar_IndentSpacing, ImGui::GetFontSize()*3); // Increase spacing to differentiate leaves from expanded contents.
static int selection_mask = (1 << 2); // Dumb representation of what may be user-side selection state. You may carry selection state inside or outside your objects in whatever format you see fit.
int node_clicked = -1; // Temporary storage of what node we have clicked to process selection at the end of the loop. May be a pointer to your own node type, etc.
for (int i = 0; i < 6; i++)
{
// Disable the default open on single-click behavior and pass in Selected flag according to our selection state.
ImGuiTreeNodeFlags node_flags = ((selection_mask & (1 << i)) ? ImGuiTreeNodeFlags_Selected : 0) | ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick;
if (i >= 3)
node_flags |= ImGuiTreeNodeFlags_AlwaysOpen;
bool node_open = ImGui::TreeNodeEx((void*)(intptr_t)i, node_flags, "Selectable %s %d", (i >= 3) ? "Leaf" : "Node", i);
if (ImGui::IsItemClicked())
node_clicked = i;
if (node_open)
if (i < 3)
{
ImGui::Text("Selectable Blah blah");
ImGui::Text("Blah blah");
ImGui::TreePop();
// Node
bool node_open = ImGui::TreeNodeEx((void*)(intptr_t)i, node_flags, "Selectable Node %d", i);
if (ImGui::IsItemClicked())
node_clicked = i;
if (node_open)
{
ImGui::Text("Blah blah\nBlah Blah");
ImGui::TreePop();
}
}
else
{
// Leaf: Here we use the ImGuiTreeNodeFlags_Leaf functionality + ImGuiTreeNodeFlags_NoTreePushOnOpen to avoid testing return value and doing a TreePop
// The only reason we have a TreeNode at all is to allow selection of the leaf. Otherwise we can use BulletText() or a simple Text() element offset by GetTreeNodeToLabelSpacing()
node_flags |= ImGuiTreeNodeFlags_Leaf|ImGuiTreeNodeFlags_NoTreePushOnOpen;
ImGui::TreeNodeEx((void*)(intptr_t)i, node_flags, "Selectable Leaf %d", i);
if (ImGui::IsItemClicked())
node_clicked = i;
}
}
if (node_clicked != -1)
@ -276,9 +288,10 @@ void ImGui::ShowTestWindow(bool* p_open)
// Update selection state. Process outside of tree loop to avoid visual inconsistencies during the clicking-frame.
if (ImGui::GetIO().KeyCtrl)
selection_mask ^= (1 << node_clicked); // CTRL+click to toggle
else if (!(selection_mask & (1 << node_clicked))) // If there is already a selection don't replace we clicked node is part of it
else //if (!(selection_mask & (1 << node_clicked))) // Depending on selection behavior you want, this commented bit preserve selection when clicking on item that is part of the selection
selection_mask = (1 << node_clicked); // Click to single-select
}
ImGui::PopStyleVar();
ImGui::TreePop();
}
ImGui::TreePop();