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TreeNode: Added ImGuiTreeNodeFlags_SpanAvailWidth and ImGuiTreeNodeFlags_SpanFullWidth flags (#2451, #2438, #1897)

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Added demo bits.
This commit is contained in:
omar
2019-09-18 17:13:41 +02:00
parent 74e01e62ce
commit 9d02ed51e3
4 changed files with 40 additions and 22 deletions
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14
imgui_demo.cpp
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@ -608,7 +608,12 @@ static void ShowDemoWindowWidgets()
if (ImGui::TreeNode("Advanced, with Selectable nodes"))
{
HelpMarker("This is a more typical looking tree with selectable nodes.\nClick to select, CTRL+Click to toggle, click on arrows or double-click to open.");
static ImGuiTreeNodeFlags base_flags = ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick | ImGuiTreeNodeFlags_SpanAvailWidth;
static bool align_label_with_current_x_position = false;
ImGui::CheckboxFlags("ImGuiTreeNodeFlags_OpenOnArrow", (unsigned int*)&base_flags, ImGuiTreeNodeFlags_OpenOnArrow);
ImGui::CheckboxFlags("ImGuiTreeNodeFlags_OpenOnDoubleClick", (unsigned int*)&base_flags, ImGuiTreeNodeFlags_OpenOnDoubleClick);
ImGui::CheckboxFlags("ImGuiTreeNodeFlags_SpanAvailWidth", (unsigned int*)&base_flags, ImGuiTreeNodeFlags_SpanAvailWidth);
ImGui::CheckboxFlags("ImGuiTreeNodeFlags_SpanFullWidth", (unsigned int*)&base_flags, ImGuiTreeNodeFlags_SpanFullWidth);
ImGui::Checkbox("Align label with current X position)", &align_label_with_current_x_position);
ImGui::Text("Hello!");
if (align_label_with_current_x_position)
@ -616,12 +621,12 @@ static void ShowDemoWindowWidgets()
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.
ImGui::PushStyleVar(ImGuiStyleVar_IndentSpacing, ImGui::GetFontSize()*3); // Increase spacing to differentiate leaves from expanded contents.
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 = ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick;
if (selection_mask & (1 << i))
ImGuiTreeNodeFlags node_flags = base_flags;
const bool is_selected = (selection_mask & (1 << i));
if (is_selected)
node_flags |= ImGuiTreeNodeFlags_Selected;
if (i < 3)
{
@ -631,7 +636,7 @@ static void ShowDemoWindowWidgets()
node_clicked = i;
if (node_open)
{
ImGui::Text("Blah blah\nBlah Blah");
ImGui::BulletText("Blah blah\nBlah Blah");
ImGui::TreePop();
}
}
@ -654,7 +659,6 @@ static void ShowDemoWindowWidgets()
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();
if (align_label_with_current_x_position)
ImGui::Indent(ImGui::GetTreeNodeToLabelSpacing());
ImGui::TreePop();