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Drag and Drop: Disable tracking mouse button ownership when an external drag source is active, to make it easier to achieve drag and drop over multiple OS windows. (#143)

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omar
2017-12-22 13:41:41 +01:00
parent 8d21ee56d2
commit e1a103b251
2 changed files with 7 additions and 3 deletions
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5
imgui.cpp
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@ -2456,8 +2456,9 @@ void ImGui::NewFrame()
g.OsImePosRequest = ImVec2(1.0f, 1.0f); // OS Input Method Editor showing on top-left of our window by default
// If mouse was first clicked outside of ImGui bounds we also cancel out hovering.
// FIXME: For patterns of drag and drop between "application" and "imgui" we may need to rework/remove this test (first committed 311c0ca9 on 2015/02)
if (!mouse_avail_to_imgui)
// FIXME: For patterns of drag and drop across OS windows, we may need to rework/remove this test (first committed 311c0ca9 on 2015/02)
bool mouse_dragging_extern_payload = g.DragDropActive && (g.DragDropSourceFlags & ImGuiDragDropFlags_SourceExtern) != 0;
if (!mouse_avail_to_imgui && !mouse_dragging_extern_payload)
g.HoveredWindow = g.HoveredRootWindow = NULL;
// Scale & Scrolling