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Viewports: fix incorrect whitening of popups above a modal if both use their own viewport + fix pvs warning.

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ocornut
2020-11-19 17:03:56 +01:00
parent 3dcbcd8bf0
commit 4da92b89ed
1 changed files with 9 additions and 3 deletions
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12
imgui.cpp
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@@ -4385,6 +4385,8 @@ static void ImGui::EndFrameDrawDimmedBackgrounds()
continue;
if (g.NavWindowingTargetAnim && viewport == g.NavWindowingTargetAnim->Viewport)
continue;
if (viewport->Window && modal_window && IsWindowAbove(viewport->Window, modal_window))
continue;
ImDrawList* draw_list = GetForegroundDrawList(viewport);
const ImU32 dim_bg_col = GetColorU32(dim_bg_for_modal ? ImGuiCol_ModalWindowDimBg : ImGuiCol_NavWindowingDimBg, g.DimBgRatio);
draw_list->AddRectFilled(viewport->Pos, viewport->Pos + viewport->Size, dim_bg_col);
@@ -6218,16 +6220,20 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
const ImGuiViewportFlags viewport_flags_to_clear = ImGuiViewportFlags_TopMost | ImGuiViewportFlags_NoTaskBarIcon | ImGuiViewportFlags_NoDecoration | ImGuiViewportFlags_NoRendererClear;
ImGuiViewportFlags viewport_flags = window->Viewport->Flags & ~viewport_flags_to_clear;
const bool is_modal = (flags & ImGuiWindowFlags_Modal) != 0;
const bool is_short_lived_floating_window = (flags & (ImGuiWindowFlags_ChildMenu | ImGuiWindowFlags_Tooltip | ImGuiWindowFlags_Popup)) != 0 && !is_modal;
const bool is_short_lived_floating_window = (flags & (ImGuiWindowFlags_ChildMenu | ImGuiWindowFlags_Tooltip | ImGuiWindowFlags_Popup)) != 0;
if (flags & ImGuiWindowFlags_Tooltip)
viewport_flags |= ImGuiViewportFlags_TopMost;
//if (flags & ImGuiWindowFlags_Modal)
// viewport_flags |= ImGuiViewportFlags_TopMost; // Not correct because other popups can be stack above a modal?
if ((g.IO.ConfigViewportsNoTaskBarIcon || is_short_lived_floating_window) && !is_modal)
viewport_flags |= ImGuiViewportFlags_NoTaskBarIcon;
if (g.IO.ConfigViewportsNoDecoration || is_short_lived_floating_window)
viewport_flags |= ImGuiViewportFlags_NoDecoration;
// Not correct to set modal as topmost because:
// - Because other popups can be stacked above a modal (e.g. combo box in a modal)
// - ImGuiViewportFlags_TopMost is currently handled different in backends: in Win32 it is "appear top most" whereas in GLFW and SDL it is "stay topmost"
//if (flags & ImGuiWindowFlags_Modal)
// viewport_flags |= ImGuiViewportFlags_TopMost;
// For popups and menus that may be protruding out of their parent viewport, we enable _NoFocusOnClick so that clicking on them
// won't steal the OS focus away from their parent window (which may be reflected in OS the title bar decoration).
// Setting _NoFocusOnClick would technically prevent us from bringing back to front in case they are being covered by an OS window from a different app,