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Viewport: Fixes moving child menu viewport (fix 379733a).

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This commit is contained in:
omar 2018-11-26 16:55:40 +01:00
parent 5261e5a6ba
commit c93e92671a
1 changed files with 8 additions and 2 deletions
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10
imgui.cpp
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@ -7503,16 +7503,22 @@ static void ImGui::UpdateSelectWindowViewport(ImGuiWindow* window)
window->Viewport = main_viewport;
// Mark window as allowed to protrude outside of its viewport and into the current monitor
// We need to take account of the possibility that mouse may become invalid.
if (flags & (ImGuiWindowFlags_Tooltip | ImGuiWindowFlags_Popup))
{
// We need to take account of the possibility that mouse may become invalid.
// Popups/Tooltip always set ViewportAllowPlatformMonitorExtend so GetWindowAllowedExtentRect() will return full monitor bounds.
ImVec2 mouse_ref = (flags & ImGuiWindowFlags_Tooltip) ? g.IO.MousePos : g.CurrentPopupStack.back().OpenMousePos;
bool use_mouse_ref = (g.NavDisableHighlight || !g.NavDisableMouseHover || !g.NavWindow);
bool mouse_valid = IsMousePosValid(&mouse_ref);
if ((window->Appearing || (flags & ImGuiWindowFlags_Tooltip)) && (!use_mouse_ref || mouse_valid))
window->ViewportAllowPlatformMonitorExtend = FindPlatformMonitorForPos((use_mouse_ref && mouse_valid) ? mouse_ref : NavCalcPreferredRefPos());
else
window->ViewportAllowPlatformMonitorExtend = window->Viewport->PlatformMonitor;
}
if (window->ViewportAllowPlatformMonitorExtend < 0 && (flags & ImGuiWindowFlags_ChildWindow) == 0)
// Regular (non-child, non-popup) windows by default are also allowed to protrude
// Child windows are kept contained within their parent.
else if (window->ViewportAllowPlatformMonitorExtend < 0 && (flags & ImGuiWindowFlags_ChildWindow) == 0)
window->ViewportAllowPlatformMonitorExtend = window->Viewport->PlatformMonitor;
// Update flags