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Drag and Drop: Added internal BeginDragDropTargetCustom() convenient to avoid submitting dummy ItemAdd. (#143)

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omar
2017-11-10 13:13:28 +01:00
parent 4b94738c7e
commit 7908cce25f
2 changed files with 35 additions and 9 deletions
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5
imgui_internal.h
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@ -480,6 +480,8 @@ struct ImGuiContext
ImGuiDragDropFlags DragDropSourceFlags;
int DragDropMouseButton;
ImGuiPayload DragDropPayload;
ImRect DragDropTargetRect;
ImGuiID DragDropTargetId;
float DragDropAcceptIdCurrRectSurface;
ImGuiID DragDropAcceptIdCurr; // Target item id (set at the time of accepting the payload)
ImGuiID DragDropAcceptIdPrev; // Target item id from previous frame (we need to store this to allow for overlapping drag and drop targets)
@ -567,6 +569,7 @@ struct ImGuiContext
DragDropActive = false;
DragDropSourceFlags = 0;
DragDropMouseButton = -1;
DragDropTargetId = 0;
DragDropAcceptIdPrev = DragDropAcceptIdCurr = 0;
DragDropAcceptFrameCount = -1;
memset(DragDropPayloadBufLocal, 0, sizeof(DragDropPayloadBufLocal));
@ -835,6 +838,8 @@ namespace ImGui
IMGUI_API void Scrollbar(ImGuiLayoutType direction);
IMGUI_API void VerticalSeparator(); // Vertical separator, for menu bars (use current line height). not exposed because it is misleading what it doesn't have an effect on regular layout.
IMGUI_API bool BeginDragDropTargetCustom(const ImRect& bb, ImGuiID id);
// FIXME-WIP: New Columns API
IMGUI_API void BeginColumns(const char* id, int count, ImGuiColumnsFlags flags = 0); // setup number of columns. use an identifier to distinguish multiple column sets. close with EndColumns().
IMGUI_API void EndColumns(); // close columns