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Drag and Drop: Fixed drop target highlight on items temporarily pushing a widened clip rect. (#7049, #4281, #3272)

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ocornut
2023-11-22 19:30:08 +01:00
parent 65a10410e3
commit bce4db00bc
4 changed files with 35 additions and 14 deletions
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8
imgui_internal.h
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@ -837,6 +837,7 @@ enum ImGuiItemStatusFlags_
ImGuiItemStatusFlags_HoveredWindow = 1 << 7, // Override the HoveredWindow test to allow cross-window hover testing.
ImGuiItemStatusFlags_FocusedByTabbing = 1 << 8, // Set when the Focusable item just got focused by Tabbing (FIXME: to be removed soon)
ImGuiItemStatusFlags_Visible = 1 << 9, // [WIP] Set when item is overlapping the current clipping rectangle (Used internally. Please don't use yet: API/system will change as we refactor Itemadd()).
ImGuiItemStatusFlags_HasClipRect = 1 << 10, // g.LastItemData.ClipRect is valid
// Additional status + semantic for ImGuiTestEngine
#ifdef IMGUI_ENABLE_TEST_ENGINE
@ -1221,7 +1222,9 @@ struct ImGuiLastItemData
ImGuiItemStatusFlags StatusFlags; // See ImGuiItemStatusFlags_
ImRect Rect; // Full rectangle
ImRect NavRect; // Navigation scoring rectangle (not displayed)
ImRect DisplayRect; // Display rectangle (only if ImGuiItemStatusFlags_HasDisplayRect is set)
// Rarely used fields are not explicitly cleared, only valid when the corresponding ImGuiItemStatusFlags is set.
ImRect DisplayRect; // Display rectangle (ONLY VALID IF ImGuiItemStatusFlags_HasDisplayRect is set)
ImRect ClipRect; // Clip rectangle at the time of submitting item (ONLY VALID IF ImGuiItemStatusFlags_HasClipRect is set)
ImGuiLastItemData() { memset(this, 0, sizeof(*this)); }
};
@ -2038,6 +2041,7 @@ struct ImGuiContext
int DragDropMouseButton;
ImGuiPayload DragDropPayload;
ImRect DragDropTargetRect; // Store rectangle of current target candidate (we favor small targets when overlapping)
ImRect DragDropTargetClipRect; // Store ClipRect at the time of item's drawing
ImGuiID DragDropTargetId;
ImGuiDragDropFlags DragDropAcceptFlags;
float DragDropAcceptIdCurrRectSurface; // Target item surface (we resolve overlapping targets by prioritizing the smaller surface)
@ -3168,7 +3172,7 @@ namespace ImGui
IMGUI_API bool BeginDragDropTargetCustom(const ImRect& bb, ImGuiID id);
IMGUI_API void ClearDragDrop();
IMGUI_API bool IsDragDropPayloadBeingAccepted();
IMGUI_API void RenderDragDropTargetRect(const ImRect& bb);
IMGUI_API void RenderDragDropTargetRect(const ImRect& bb, const ImRect& item_clip_rect);
// Typing-Select API
IMGUI_API ImGuiTypingSelectRequest* GetTypingSelectRequest(ImGuiTypingSelectFlags flags = ImGuiTypingSelectFlags_None);