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Viewports: Fix to avoid SetNextWindowViewport being overrided by creation of a standalone viewport. (#2544, #1542)

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omar 2019-05-08 18:20:13 +02:00
parent e6c982509d
commit 9bf3f910c8
1 changed files with 37 additions and 30 deletions
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67
imgui.cpp
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@ -10552,11 +10552,13 @@ static void ImGui::UpdateSelectWindowViewport(ImGuiWindow* window)
} }
} }
bool lock_viewport = false;
if (g.NextWindowData.ViewportCond) if (g.NextWindowData.ViewportCond)
{ {
// Code explicitly request a viewport // Code explicitly request a viewport
window->Viewport = (ImGuiViewportP*)FindViewportByID(g.NextWindowData.ViewportId); window->Viewport = (ImGuiViewportP*)FindViewportByID(g.NextWindowData.ViewportId);
window->ViewportId = g.NextWindowData.ViewportId; // Store ID even if Viewport isn't resolved yet. window->ViewportId = g.NextWindowData.ViewportId; // Store ID even if Viewport isn't resolved yet.
lock_viewport = true;
} }
else if ((flags & ImGuiWindowFlags_ChildWindow) || (flags & ImGuiWindowFlags_ChildMenu)) else if ((flags & ImGuiWindowFlags_ChildWindow) || (flags & ImGuiWindowFlags_ChildMenu))
{ {
@ -10590,40 +10592,45 @@ static void ImGui::UpdateSelectWindowViewport(ImGuiWindow* window)
window->Viewport = main_viewport; window->Viewport = main_viewport;
// Mark window as allowed to protrude outside of its viewport and into the current monitor // Mark window as allowed to protrude outside of its viewport and into the current monitor
if (flags & (ImGuiWindowFlags_Tooltip | ImGuiWindowFlags_Popup)) if (!lock_viewport)
{ {
// We need to take account of the possibility that mouse may become invalid. if (flags & (ImGuiWindowFlags_Tooltip | ImGuiWindowFlags_Popup))
// Popups/Tooltip always set ViewportAllowPlatformMonitorExtend so GetWindowAllowedExtentRect() will return full monitor bounds. {
ImVec2 mouse_ref = (flags & ImGuiWindowFlags_Tooltip) ? g.IO.MousePos : g.BeginPopupStack.back().OpenMousePos; // We need to take account of the possibility that mouse may become invalid.
bool use_mouse_ref = (g.NavDisableHighlight || !g.NavDisableMouseHover || !g.NavWindow); // Popups/Tooltip always set ViewportAllowPlatformMonitorExtend so GetWindowAllowedExtentRect() will return full monitor bounds.
bool mouse_valid = IsMousePosValid(&mouse_ref); ImVec2 mouse_ref = (flags & ImGuiWindowFlags_Tooltip) ? g.IO.MousePos : g.BeginPopupStack.back().OpenMousePos;
if ((window->Appearing || (flags & ImGuiWindowFlags_Tooltip)) && (!use_mouse_ref || mouse_valid)) bool use_mouse_ref = (g.NavDisableHighlight || !g.NavDisableMouseHover || !g.NavWindow);
window->ViewportAllowPlatformMonitorExtend = FindPlatformMonitorForPos((use_mouse_ref && mouse_valid) ? mouse_ref : NavCalcPreferredRefPos()); bool mouse_valid = IsMousePosValid(&mouse_ref);
else 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;
}
else if (window->Viewport && window != window->Viewport->Window && window->Viewport->Window && !(flags & ImGuiWindowFlags_ChildWindow))
{
// When called from Begin() we don't have access to a proper version of the Hidden flag yet, so we replicate this code.
const bool will_be_visible = (window->DockIsActive && !window->DockTabIsVisible) ? false : true;
if ((window->Flags & ImGuiWindowFlags_DockNodeHost) && window->Viewport->LastFrameActive < g.FrameCount && will_be_visible)
{
// Steal/transfer ownership
//IMGUI_DEBUG_LOG("[%05d] Window '%s' steal Viewport %08X from Window '%s'\n", g.FrameCount, window->Name, window->Viewport->ID, window->Viewport->Window->Name);
window->Viewport->Window = window;
window->Viewport->ID = window->ID;
window->Viewport->LastNameHash = 0;
}
else if (!UpdateTryMergeWindowIntoHostViewport(window, g.Viewports[0])) // Merge?
{
// New viewport
window->Viewport = AddUpdateViewport(window, window->ID, window->Pos, window->Size, ImGuiViewportFlags_NoFocusOnAppearing);
}
}
else 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.
window->ViewportAllowPlatformMonitorExtend = window->Viewport->PlatformMonitor; window->ViewportAllowPlatformMonitorExtend = window->Viewport->PlatformMonitor;
}
else if (window->Viewport && window != window->Viewport->Window && window->Viewport->Window && !(flags & ImGuiWindowFlags_ChildWindow))
{
// When called from Begin() we don't have access to a proper version of the Hidden flag yet, so we replicate this code.
const bool will_be_visible = (window->DockIsActive && !window->DockTabIsVisible) ? false : true;
if ((window->Flags & ImGuiWindowFlags_DockNodeHost) && window->Viewport->LastFrameActive < g.FrameCount && will_be_visible)
{
// Steal/transfer ownership
//IMGUI_DEBUG_LOG("[%05d] Window '%s' steal Viewport %08X from Window '%s'\n", g.FrameCount, window->Name, window->Viewport->ID, window->Viewport->Window->Name);
window->Viewport->Window = window;
window->Viewport->ID = window->ID;
window->Viewport->LastNameHash = 0;
}
else if (!UpdateTryMergeWindowIntoHostViewport(window, g.Viewports[0])) // Merge?
{
// New viewport
window->Viewport = AddUpdateViewport(window, window->ID, window->Pos, window->Size, ImGuiViewportFlags_NoFocusOnAppearing);
} }
} }
// 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 // Update flags
window->ViewportOwned = (window == window->Viewport->Window); window->ViewportOwned = (window == window->Viewport->Window);