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NewFrame(): update activeid data and keyboard before mouse. Should have no side-effects! (So that later we can update Nav between Keyboard and Mouse) (#323)

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This commit is contained in:
ocornut 2016-07-17 10:35:17 +02:00
parent 272745bd93
commit 267e54cf06
1 changed files with 17 additions and 16 deletions
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33
imgui.cpp
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@ -2095,7 +2095,22 @@ void ImGui::NewFrame()
g.RenderDrawData.CmdLists = NULL;
g.RenderDrawData.CmdListsCount = g.RenderDrawData.TotalVtxCount = g.RenderDrawData.TotalIdxCount = 0;
// Update inputs state
// Clear reference to active widget if the widget isn't alive anymore
g.HoveredIdPreviousFrame = g.HoveredId;
g.HoveredId = 0;
g.HoveredIdAllowOverlap = false;
if (!g.ActiveIdIsAlive && g.ActiveIdPreviousFrame == g.ActiveId && g.ActiveId != 0)
SetActiveID(0);
g.ActiveIdPreviousFrame = g.ActiveId;
g.ActiveIdIsAlive = false;
g.ActiveIdIsJustActivated = false;
// Update keyboard input state
memcpy(g.IO.KeysDownDurationPrev, g.IO.KeysDownDuration, sizeof(g.IO.KeysDownDuration));
for (int i = 0; i < IM_ARRAYSIZE(g.IO.KeysDown); i++)
g.IO.KeysDownDuration[i] = g.IO.KeysDown[i] ? (g.IO.KeysDownDuration[i] < 0.0f ? 0.0f : g.IO.KeysDownDuration[i] + g.IO.DeltaTime) : -1.0f;
// Update mouse input state
if (g.IO.MousePos.x < 0 && g.IO.MousePos.y < 0)
g.IO.MousePos = ImVec2(-9999.0f, -9999.0f);
if ((g.IO.MousePos.x < 0 && g.IO.MousePos.y < 0) || (g.IO.MousePosPrev.x < 0 && g.IO.MousePosPrev.y < 0)) // if mouse just appeared or disappeared (negative coordinate) we cancel out movement in MouseDelta
@ -2130,9 +2145,6 @@ void ImGui::NewFrame()
g.IO.MouseDragMaxDistanceSqr[i] = ImMax(g.IO.MouseDragMaxDistanceSqr[i], ImLengthSqr(g.IO.MousePos - g.IO.MouseClickedPos[i]));
}
}
memcpy(g.IO.KeysDownDurationPrev, g.IO.KeysDownDuration, sizeof(g.IO.KeysDownDuration));
for (int i = 0; i < IM_ARRAYSIZE(g.IO.KeysDown); i++)
g.IO.KeysDownDuration[i] = g.IO.KeysDown[i] ? (g.IO.KeysDownDuration[i] < 0.0f ? 0.0f : g.IO.KeysDownDuration[i] + g.IO.DeltaTime) : -1.0f;
// Calculate frame-rate for the user, as a purely luxurious feature
g.FramerateSecPerFrameAccum += g.IO.DeltaTime - g.FramerateSecPerFrame[g.FramerateSecPerFrameIdx];
@ -2140,16 +2152,6 @@ void ImGui::NewFrame()
g.FramerateSecPerFrameIdx = (g.FramerateSecPerFrameIdx + 1) % IM_ARRAYSIZE(g.FramerateSecPerFrame);
g.IO.Framerate = 1.0f / (g.FramerateSecPerFrameAccum / (float)IM_ARRAYSIZE(g.FramerateSecPerFrame));
// Clear reference to active widget if the widget isn't alive anymore
g.HoveredIdPreviousFrame = g.HoveredId;
g.HoveredId = 0;
g.HoveredIdAllowOverlap = false;
if (!g.ActiveIdIsAlive && g.ActiveIdPreviousFrame == g.ActiveId && g.ActiveId != 0)
SetActiveID(0);
g.ActiveIdPreviousFrame = g.ActiveId;
g.ActiveIdIsAlive = false;
g.ActiveIdIsJustActivated = false;
// Handle user moving window (at the beginning of the frame to avoid input lag or sheering). Only valid for root windows.
if (g.MovedWindowMoveId && g.MovedWindowMoveId == g.ActiveId)
{
@ -3276,8 +3278,7 @@ bool ImGui::IsAnyItemActive()
bool ImGui::IsItemVisible()
{
ImGuiWindow* window = GetCurrentWindowRead();
ImRect r(window->ClipRect);
return r.Overlaps(window->DC.LastItemRect);
return window->ClipRect.Overlaps(window->DC.LastItemRect);
}
// Allow last item to be overlapped by a subsequent item. Both may be activated during the same frame before the later one takes priority.