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Tables: comments, tweak. CollapsingHeader: comments. (#3715)

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ocornut
2021-01-12 14:43:48 +01:00
parent feaa7ea003
commit 002ba1a69f
4 changed files with 44 additions and 28 deletions
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14
imgui_widgets.cpp
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@ -5898,21 +5898,25 @@ bool ImGui::CollapsingHeader(const char* label, ImGuiTreeNodeFlags flags)
return TreeNodeBehavior(window->GetID(label), flags | ImGuiTreeNodeFlags_CollapsingHeader, label);
}
bool ImGui::CollapsingHeader(const char* label, bool* p_open, ImGuiTreeNodeFlags flags)
// p_visible == NULL : regular collapsing header
// p_visible != NULL && *p_visible == true : show a small close button on the corner of the header, clicking the button will set *p_visible = false
// p_visible != NULL && *p_visible == false : do not show the header at all
// Do not mistake this with the Open state of the header itself, which you can adjust with SetNextItemOpen() or ImGuiTreeNodeFlags_DefaultOpen.
bool ImGui::CollapsingHeader(const char* label, bool* p_visible, ImGuiTreeNodeFlags flags)
{
ImGuiWindow* window = GetCurrentWindow();
if (window->SkipItems)
return false;
if (p_open && !*p_open)
if (p_visible && !*p_visible)
return false;
ImGuiID id = window->GetID(label);
flags |= ImGuiTreeNodeFlags_CollapsingHeader;
if (p_open)
if (p_visible)
flags |= ImGuiTreeNodeFlags_AllowItemOverlap | ImGuiTreeNodeFlags_ClipLabelForTrailingButton;
bool is_open = TreeNodeBehavior(id, flags, label);
if (p_open != NULL)
if (p_visible != NULL)
{
// Create a small overlapping close button
// FIXME: We can evolve this into user accessible helpers to add extra buttons on title bars, headers, etc.
@ -5924,7 +5928,7 @@ bool ImGui::CollapsingHeader(const char* label, bool* p_open, ImGuiTreeNodeFlags
float button_y = window->DC.LastItemRect.Min.y;
ImGuiID close_button_id = GetIDWithSeed("#CLOSE", NULL, id);
if (CloseButton(close_button_id, ImVec2(button_x, button_y)))
*p_open = false;
*p_visible = false;
last_item_backup.Restore();
}