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As it turns out, functions like IsItemHovered() won't work on an open BeginMenu() because LastItemData is overriden by BeginPopup(). Probably an easy fix.
This commit is contained in:
ocornut
2022-09-29 17:26:52 +02:00
parent e74a50f525
commit d5d705069d
3 changed files with 19 additions and 9 deletions
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9
imgui_widgets.cpp
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@ -7018,6 +7018,7 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
ImVec2 label_size = CalcTextSize(label, NULL, true);
// Odd hack to allow hovering across menus of a same menu-set (otherwise we wouldn't be able to hover parent without always being a Child window)
// This is only done for items for the menu set and not the full parent window.
const bool menuset_is_open = IsRootOfOpenMenuSet();
ImGuiWindow* backed_nav_window = g.NavWindow;
if (menuset_is_open)
@ -7156,9 +7157,10 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
if (menu_is_open)
{
SetNextWindowPos(popup_pos, ImGuiCond_Always); // Note: this is super misleading! The value will serve as reference for FindBestWindowPosForPopup(), not actual pos.
// FIXME: This technically breaks functions relying on LastItemData, somehow nobody complained yet. Should backup/restore LastItemData.
SetNextWindowPos(popup_pos, ImGuiCond_Always); // Note: misleading: the value will serve as reference for FindBestWindowPosForPopup(), not actual pos.
PushStyleVar(ImGuiStyleVar_ChildRounding, style.PopupRounding); // First level will use _PopupRounding, subsequent will use _ChildRounding
menu_is_open = BeginPopupEx(id, flags); // menu_is_open can be 'false' when the popup is completely clipped (e.g. zero size display)
menu_is_open = BeginPopupEx(id, flags); // menu_is_open can be 'false' when the popup is completely clipped (e.g. zero size display)
PopStyleVar();
}
else
@ -7177,7 +7179,7 @@ bool ImGui::BeginMenu(const char* label, bool enabled)
void ImGui::EndMenu()
{
// Nav: When a left move request _within our child menu_ failed, close ourselves (the _parent_ menu).
// A menu doesn't close itself because EndMenuBar() wants the catch the last Left<>Right inputs.
// A menu doesn't close itself because EndMenuBar() wants to catch the last Left<>Right inputs.
// However, it means that with the current code, a BeginMenu() from outside another menu or a menu-bar won't be closable with the Left direction.
// FIXME: This doesn't work if the parent BeginMenu() is not on a menu.
ImGuiContext& g = *GImGui;
@ -7203,6 +7205,7 @@ bool ImGui::MenuItemEx(const char* label, const char* icon, const char* shortcut
ImVec2 pos = window->DC.CursorPos;
ImVec2 label_size = CalcTextSize(label, NULL, true);
// See BeginMenuEx() for comments about this.
const bool menuset_is_open = IsRootOfOpenMenuSet();
ImGuiWindow* backed_nav_window = g.NavWindow;
if (menuset_is_open)