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TreeNode: fixed layout so that TreeNode("") or TreeNode("##HiddenLabel") may properly be used with SameLine(0,0). (#7505, #282)

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Also adjust some of the interact_bb padding, arbitrary interact padding not meaningful as empty label is likely to be followed by extra item. User likely to use ImGuiTreeNodeFlags_SpanAvailWidth.
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ocornut
2024-04-18 19:08:58 +02:00
parent eba46cb0d2
commit 361432a0bb
4 changed files with 22 additions and 3 deletions
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imgui_widgets.cpp
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@@ -6201,14 +6201,14 @@ bool ImGui::TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* l
const float text_offset_x = g.FontSize + (display_frame ? padding.x * 3 : padding.x * 2); // Collapsing arrow width + Spacing
const float text_offset_y = ImMax(padding.y, window->DC.CurrLineTextBaseOffset); // Latch before ItemSize changes it
const float text_width = g.FontSize + (label_size.x > 0.0f ? label_size.x + padding.x * 2 : 0.0f); // Include collapsing
const float text_width = g.FontSize + label_size.x + padding.x * 2; // Include collapsing arrow
ImVec2 text_pos(window->DC.CursorPos.x + text_offset_x, window->DC.CursorPos.y + text_offset_y);
ItemSize(ImVec2(text_width, frame_height), padding.y);
// For regular tree nodes, we arbitrary allow to click past 2 worth of ItemSpacing
ImRect interact_bb = frame_bb;
if (!display_frame && (flags & (ImGuiTreeNodeFlags_SpanAvailWidth | ImGuiTreeNodeFlags_SpanFullWidth | ImGuiTreeNodeFlags_SpanAllColumns)) == 0)
interact_bb.Max.x = frame_bb.Min.x + text_width + style.ItemSpacing.x * 2.0f;
interact_bb.Max.x = frame_bb.Min.x + text_width + (label_size.x > 0.0f ? style.ItemSpacing.x * 2.0f : 0.0f);
// Modify ClipRect for the ItemAdd(), faster than doing a PushColumnsBackground/PushTableBackgroundChannel for every Selectable..
const float backup_clip_rect_min_x = window->ClipRect.Min.x;