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Viewport: Fix modal/popup window being stuck in unowned hidden viewport associated to fallback window without stealing it back. (#1542)

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Viewport: Fix modal reference viewport when opened outside of another window.
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This commit is contained in:
omar 2019-08-19 11:21:33 +02:00
parent 5d87ee8d82
commit 76ccbb899d
1 changed files with 15 additions and 7 deletions
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22
imgui.cpp
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@ -4519,9 +4519,9 @@ void ImGui::Render()
if (g.FrameCountEnded != g.FrameCount) if (g.FrameCountEnded != g.FrameCount)
EndFrame(); EndFrame();
g.FrameCountRendered = g.FrameCount; g.FrameCountRendered = g.FrameCount;
// Gather ImDrawList to render (for each active window)
g.IO.MetricsRenderVertices = g.IO.MetricsRenderIndices = g.IO.MetricsRenderWindows = 0; g.IO.MetricsRenderVertices = g.IO.MetricsRenderIndices = g.IO.MetricsRenderWindows = 0;
// Add background ImDrawList (for each active viewport)
for (int n = 0; n != g.Viewports.Size; n++) for (int n = 0; n != g.Viewports.Size; n++)
{ {
ImGuiViewportP* viewport = g.Viewports[n]; ImGuiViewportP* viewport = g.Viewports[n];
@ -4530,9 +4530,10 @@ void ImGui::Render()
AddDrawListToDrawData(&viewport->DrawDataBuilder.Layers[0], GetBackgroundDrawList(viewport)); AddDrawListToDrawData(&viewport->DrawDataBuilder.Layers[0], GetBackgroundDrawList(viewport));
} }
// Add ImDrawList to render (for each active window)
ImGuiWindow* windows_to_render_top_most[2]; ImGuiWindow* windows_to_render_top_most[2];
windows_to_render_top_most[0] = (g.NavWindowingTarget && !(g.NavWindowingTarget->Flags & ImGuiWindowFlags_NoBringToFrontOnFocus)) ? g.NavWindowingTarget->RootWindow : NULL; windows_to_render_top_most[0] = (g.NavWindowingTarget && !(g.NavWindowingTarget->Flags & ImGuiWindowFlags_NoBringToFrontOnFocus)) ? g.NavWindowingTarget->RootWindow : NULL;
windows_to_render_top_most[1] = g.NavWindowingTarget ? g.NavWindowingList : NULL; windows_to_render_top_most[1] = (g.NavWindowingTarget ? g.NavWindowingList : NULL);
for (int n = 0; n != g.Windows.Size; n++) for (int n = 0; n != g.Windows.Size; n++)
{ {
ImGuiWindow* window = g.Windows[n]; ImGuiWindow* window = g.Windows[n];
@ -4553,8 +4554,11 @@ void ImGui::Render()
{ {
ImGuiViewportP* viewport = g.Viewports[n]; ImGuiViewportP* viewport = g.Viewports[n];
viewport->DrawDataBuilder.FlattenIntoSingleLayer(); viewport->DrawDataBuilder.FlattenIntoSingleLayer();
// Add foreground ImDrawList (for each active viewport)
if (viewport->DrawLists[1] != NULL) if (viewport->DrawLists[1] != NULL)
AddDrawListToDrawData(&viewport->DrawDataBuilder.Layers[0], GetForegroundDrawList(viewport)); AddDrawListToDrawData(&viewport->DrawDataBuilder.Layers[0], GetForegroundDrawList(viewport));
SetupViewportDrawData(viewport, &viewport->DrawDataBuilder.Layers[0]); SetupViewportDrawData(viewport, &viewport->DrawDataBuilder.Layers[0]);
g.IO.MetricsRenderVertices += viewport->DrawData->TotalVtxCount; g.IO.MetricsRenderVertices += viewport->DrawData->TotalVtxCount;
g.IO.MetricsRenderIndices += viewport->DrawData->TotalIdxCount; g.IO.MetricsRenderIndices += viewport->DrawData->TotalIdxCount;
@ -8298,7 +8302,10 @@ bool ImGui::BeginPopupModal(const char* name, bool* p_open, ImGuiWindowFlags fla
// Center modal windows by default // Center modal windows by default
// FIXME: Should test for (PosCond & window->SetWindowPosAllowFlags) with the upcoming window. // FIXME: Should test for (PosCond & window->SetWindowPosAllowFlags) with the upcoming window.
if ((g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasPos) == 0) if ((g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasPos) == 0)
SetNextWindowPos(window->Viewport->GetCenter(), ImGuiCond_Appearing, ImVec2(0.5f, 0.5f)); {
ImGuiViewportP* viewport = window->WasActive ? window->Viewport : (ImGuiViewportP*)GetMainViewport(); // FIXME-VIEWPORT: What may be our reference viewport?
SetNextWindowPos(viewport->GetCenter(), ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
}
flags |= ImGuiWindowFlags_Popup | ImGuiWindowFlags_Modal | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoDocking; flags |= ImGuiWindowFlags_Popup | ImGuiWindowFlags_Modal | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoDocking;
const bool is_open = Begin(name, p_open, flags); const bool is_open = Begin(name, p_open, flags);
@ -10342,8 +10349,9 @@ static bool ImGui::GetWindowAlwaysWantOwnViewport(ImGuiWindow* window)
if (g.IO.ConfigViewportsNoAutoMerge || (window->WindowClass.ViewportFlagsOverrideSet & ImGuiViewportFlags_NoAutoMerge)) if (g.IO.ConfigViewportsNoAutoMerge || (window->WindowClass.ViewportFlagsOverrideSet & ImGuiViewportFlags_NoAutoMerge))
if (g.ConfigFlagsCurrFrame & ImGuiConfigFlags_ViewportsEnable) if (g.ConfigFlagsCurrFrame & ImGuiConfigFlags_ViewportsEnable)
if (!window->DockIsActive) if (!window->DockIsActive)
if ((window->Flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_ChildMenu | ImGuiWindowFlags_Tooltip | ImGuiWindowFlags_Popup)) == 0) if ((window->Flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_ChildMenu | ImGuiWindowFlags_Tooltip)) == 0)
return true; if ((window->Flags & ImGuiWindowFlags_Popup) == 0 || (window->Flags & ImGuiWindowFlags_Modal) != 0)
return true;
return false; return false;
} }
@ -10715,7 +10723,7 @@ static void ImGui::UpdateSelectWindowViewport(ImGuiWindow* window)
if ((g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasViewport) == 0) if ((g.NextWindowData.Flags & ImGuiNextWindowDataFlags_HasViewport) == 0)
{ {
// By default inherit from parent window // By default inherit from parent window
if (window->Viewport == NULL && window->ParentWindow) if (window->Viewport == NULL && window->ParentWindow && !window->ParentWindow->FallbackWindow)
window->Viewport = window->ParentWindow->Viewport; window->Viewport = window->ParentWindow->Viewport;
// Attempt to restore saved viewport id (= window that hasn't been activated yet), try to restore the viewport based on saved 'window->ViewportPos' restored from .ini file // Attempt to restore saved viewport id (= window that hasn't been activated yet), try to restore the viewport based on saved 'window->ViewportPos' restored from .ini file