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MovingWindow: Proper fix for 651538e attempt, without altering MovingWindow which has side-effects. Clicking on a window with the ImGuiWIndowFlags_NoMove flags takes an ActiveId so we can't hover something else. (ref #1381, #1337)

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This commit is contained in:
omar 2018-01-11 18:16:16 +01:00
parent b74f24c3e5
commit 6a1011cf53
1 changed files with 12 additions and 4 deletions
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16
imgui.cpp
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@ -2378,10 +2378,10 @@ void ImGui::NewFrame()
g.FramerateSecPerFrameIdx = (g.FramerateSecPerFrameIdx + 1) % IM_ARRAYSIZE(g.FramerateSecPerFrame);
g.IO.Framerate = 1.0f / (g.FramerateSecPerFrameAccum / (float)IM_ARRAYSIZE(g.FramerateSecPerFrame));
// Handle user moving window with mouse (at the beginning of the frame to avoid input lag or sheering). Only valid for root windows.
// Handle user moving window with mouse (at the beginning of the frame to avoid input lag or sheering).
if (g.MovingWindowMoveId && g.MovingWindowMoveId == g.ActiveId)
{
KeepAliveID(g.MovingWindowMoveId);
KeepAliveID(g.ActiveId);
IM_ASSERT(g.MovingWindow && g.MovingWindow->RootWindow);
IM_ASSERT(g.MovingWindow->MoveId == g.MovingWindowMoveId);
if (g.IO.MouseDown[0])
@ -2401,6 +2401,13 @@ void ImGui::NewFrame()
}
else
{
// When clicking/dragging from a window that has the _NoMove flag, we still set the ActiveId in order to prevent hovering others.
if (g.ActiveIdWindow && g.ActiveIdWindow->MoveId == g.ActiveId)
{
KeepAliveID(g.ActiveId);
if (!g.IO.MouseDown[0])
ClearActiveID();
}
g.MovingWindow = NULL;
g.MovingWindowMoveId = 0;
}
@ -2934,13 +2941,14 @@ void ImGui::EndFrame()
{
if (g.HoveredRootWindow != NULL)
{
// Set ActiveId even if the _NoMove flag is set, without it dragging away from a window with _NoMove would activate hover on other windows.
FocusWindow(g.HoveredWindow);
SetActiveID(g.HoveredWindow->MoveId, g.HoveredWindow);
g.ActiveIdClickOffset = g.IO.MousePos - g.HoveredRootWindow->Pos;
if (!(g.HoveredWindow->Flags & ImGuiWindowFlags_NoMove) && !(g.HoveredRootWindow->Flags & ImGuiWindowFlags_NoMove))
{
g.MovingWindow = g.HoveredWindow;
g.MovingWindowMoveId = g.MovingWindow->MoveId;
SetActiveID(g.MovingWindowMoveId, g.HoveredRootWindow);
g.ActiveIdClickOffset = g.IO.MousePos - g.MovingWindow->RootWindow->Pos;
}
}
else if (g.NavWindow != NULL && GetFrontMostModalRootWindow() == NULL)