diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt index a3176ed5..863f36a6 100644 --- a/docs/CHANGELOG.txt +++ b/docs/CHANGELOG.txt @@ -48,6 +48,8 @@ Breaking changes: and relied on ambiguously defined design. Use 'SetNextItemAllowOverlap()' before item instead. - Renamed 'ImGuiTreeNodeFlags_AllowItemOverlap' to 'ImGuiTreeNodeFlags_AllowOverlap'. - Renamed 'ImGuiSelectableFlags_AllowItemOverlap' to 'ImGuiSelectableFlags_AllowOverlap' + - IsItemHovered: Changed behavior to return false when querying an item using AllowOverlap mode + which is being overlapped. Added ImGuiHoveredFlags_AllowWhenOverlappedByItem. (#6512, #3909, #517) - Kept redirecting enums (will obsolete). Other changes: @@ -72,6 +74,9 @@ Other changes: isn't covered as much. (Match offset for drag and drop tooltips) - IsItemHovered: Tweaked default value of style.HoverDelayNormal from 0.30 to 0.40, Tweaked default value of style.HoverDelayShort from 0.10 to 0.15. (#1485) + - IsItemHovered: Added _AllowWhenOverlappedByWindow to ignore window-overlap only. + Option ImGuiHoveredFlags_AllowWhenOverlapped now expand into a combination of both + _AllowWhenOverlappedByWindow + _AllowWhenOverlappedByItem, matching old behavior. - Overlapping items: (#6512, #3909, #517) - Selectable, TreeNode: When using ImGuiSelectableFlags_AllowOverlap/ImGuiTreeNodeFlags_AllowOverlap and holding item held, overlapping widgets won't appear as hovered. (#6512, #3909) diff --git a/imgui.cpp b/imgui.cpp index f18ddbe7..87d8911a 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -399,6 +399,7 @@ CODE - 2023/06/28 (1.89.7) - overlapping items: obsoleted 'SetItemAllowOverlap()' (called after item) in favor of calling 'SetNextItemAllowOverlap()' (called before item). 'SetItemAllowOverlap()' didn't and couldn't work reliably since 1.89 (2022-11-15). - 2023/06/28 (1.89.7) - overlapping items: renamed 'ImGuiTreeNodeFlags_AllowItemOverlap' to 'ImGuiTreeNodeFlags_AllowOverlap', 'ImGuiSelectableFlags_AllowItemOverlap' to 'ImGuiSelectableFlags_AllowOverlap'. Kept redirecting enums (will obsolete). + - 2023/06/28 (1.89.7) - overlapping items: IsItemHovered() now by default return false when querying an item using AllowOverlap mode which is being overlapped. Use ImGuiHoveredFlags_AllowWhenOverlappedByItem to revert to old behavior. - 2023/06/20 (1.89.7) - moved io.HoverDelayShort/io.HoverDelayNormal to style.HoverDelayShort/style.HoverDelayNormal. As the fields were added in 1.89 and expected to be left unchanged by most users, or only tweaked once during app initialization, we are exceptionally accepting the breakage. - 2023/05/30 (1.89.6) - backends: renamed "imgui_impl_sdlrenderer.cpp" to "imgui_impl_sdlrenderer2.cpp" and "imgui_impl_sdlrenderer.h" to "imgui_impl_sdlrenderer2.h". This is in prevision for the future release of SDL3. - 2023/05/22 (1.89.6) - listbox: commented out obsolete/redirecting functions that were marked obsolete more than two years ago: @@ -3983,12 +3984,13 @@ bool ImGui::IsItemHovered(ImGuiHoveredFlags flags) // to use IsItemHovered() after EndChild() itself. Until a solution is found I believe reverting to the test from 2017/09/27 is safe since this was // the test that has been running for a long while. if (g.HoveredWindow != window && (status_flags & ImGuiItemStatusFlags_HoveredWindow) == 0) - if ((flags & ImGuiHoveredFlags_AllowWhenOverlapped) == 0) + if ((flags & ImGuiHoveredFlags_AllowWhenOverlappedByWindow) == 0) return false; // Test if another item is active (e.g. being dragged) + const ImGuiID id = g.LastItemData.ID; if ((flags & ImGuiHoveredFlags_AllowWhenBlockedByActiveItem) == 0) - if (g.ActiveId != 0 && g.ActiveId != g.LastItemData.ID && !g.ActiveIdAllowOverlap && g.ActiveId != window->MoveId) + if (g.ActiveId != 0 && g.ActiveId != id && !g.ActiveIdAllowOverlap && g.ActiveId != window->MoveId) return false; // Test if interactions on this window are blocked by an active popup or modal. @@ -4002,8 +4004,14 @@ bool ImGui::IsItemHovered(ImGuiHoveredFlags flags) // Special handling for calling after Begin() which represent the title bar or tab. // When the window is skipped/collapsed (SkipItems==true) that last item will never be overwritten so we need to detect the case. - if (g.LastItemData.ID == window->MoveId && window->WriteAccessed) + if (id == window->MoveId && window->WriteAccessed) return false; + + // Test if using AllowOverlap and overlapped + if ((g.LastItemData.InFlags & ImGuiItemflags_AllowOverlap) && id != 0) + if ((flags & ImGuiHoveredFlags_AllowWhenOverlappedByItem) == 0) + if (g.HoveredIdPreviousFrame != g.LastItemData.ID) + return false; } // Handle hover delay diff --git a/imgui.h b/imgui.h index 2af5a2a9..f07e7c2f 100644 --- a/imgui.h +++ b/imgui.h @@ -1296,9 +1296,11 @@ enum ImGuiHoveredFlags_ ImGuiHoveredFlags_AllowWhenBlockedByPopup = 1 << 5, // Return true even if a popup window is normally blocking access to this item/window //ImGuiHoveredFlags_AllowWhenBlockedByModal = 1 << 6, // Return true even if a modal popup window is normally blocking access to this item/window. FIXME-TODO: Unavailable yet. ImGuiHoveredFlags_AllowWhenBlockedByActiveItem = 1 << 7, // Return true even if an active item is blocking access to this item/window. Useful for Drag and Drop patterns. - ImGuiHoveredFlags_AllowWhenOverlapped = 1 << 8, // IsItemHovered() only: Return true even if the position is obstructed or overlapped by another WINDOW. - ImGuiHoveredFlags_AllowWhenDisabled = 1 << 9, // IsItemHovered() only: Return true even if the item is disabled - ImGuiHoveredFlags_NoNavOverride = 1 << 10, // IsItemHovered() only: Disable using gamepad/keyboard navigation state when active, always query mouse + ImGuiHoveredFlags_AllowWhenOverlappedByItem = 1 << 8, // IsItemHovered() only: Return true even if the item uses AllowOverlap mode and is overlapped by another hoverable item. + ImGuiHoveredFlags_AllowWhenOverlappedByWindow = 1 << 9, // IsItemHovered() only: Return true even if the position is obstructed or overlapped by another window. + ImGuiHoveredFlags_AllowWhenDisabled = 1 << 10, // IsItemHovered() only: Return true even if the item is disabled + ImGuiHoveredFlags_NoNavOverride = 1 << 11, // IsItemHovered() only: Disable using gamepad/keyboard navigation state when active, always query mouse + ImGuiHoveredFlags_AllowWhenOverlapped = ImGuiHoveredFlags_AllowWhenOverlappedByItem | ImGuiHoveredFlags_AllowWhenOverlappedByWindow, ImGuiHoveredFlags_RectOnly = ImGuiHoveredFlags_AllowWhenBlockedByPopup | ImGuiHoveredFlags_AllowWhenBlockedByActiveItem | ImGuiHoveredFlags_AllowWhenOverlapped, ImGuiHoveredFlags_RootAndChildWindows = ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows, diff --git a/imgui_demo.cpp b/imgui_demo.cpp index 944c1b7b..775f2e17 100644 --- a/imgui_demo.cpp +++ b/imgui_demo.cpp @@ -2430,7 +2430,8 @@ static void ShowDemoWindowWidgets() "IsItemHovered() = %d\n" "IsItemHovered(_AllowWhenBlockedByPopup) = %d\n" "IsItemHovered(_AllowWhenBlockedByActiveItem) = %d\n" - "IsItemHovered(_AllowWhenOverlapped) = %d\n" + "IsItemHovered(_AllowWhenOverlappedByItem) = %d\n" + "IsItemHovered(_AllowWhenOverlappedByWindow) = %d\n" "IsItemHovered(_AllowWhenDisabled) = %d\n" "IsItemHovered(_RectOnly) = %d\n" "IsItemActive() = %d\n" @@ -2449,7 +2450,8 @@ static void ShowDemoWindowWidgets() ImGui::IsItemHovered(), ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup), ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByActiveItem), - ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenOverlapped), + ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenOverlappedByItem), + ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenOverlappedByWindow), ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenDisabled), ImGui::IsItemHovered(ImGuiHoveredFlags_RectOnly), ImGui::IsItemActive(),