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Added modal window darkening of previous windows (#249)
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parent
8c790a3234
commit
fe17f6e735
19
imgui.cpp
19
imgui.cpp
@ -651,6 +651,7 @@ ImGuiStyle::ImGuiStyle()
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Colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
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Colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
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Colors[ImGuiCol_TooltipBg] = ImVec4(0.05f, 0.05f, 0.10f, 0.90f);
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Colors[ImGuiCol_ModalWindowDarkening] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
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}
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// Statically allocated font atlas. This is merely a maneuver to keep ImFontAtlas definition at the bottom of the .h file (otherwise it'd be inside ImGuiIO)
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@ -1297,6 +1298,7 @@ struct ImGuiState
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// Render
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ImVector<ImDrawList*> RenderDrawLists[3];
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float ModalWindowDarkeningRatio;
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// Mouse cursor
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ImGuiMouseCursor MouseCursor;
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@ -1377,6 +1379,7 @@ struct ImGuiState
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memset(Tooltip, 0, sizeof(Tooltip));
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PrivateClipboard = NULL;
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ModalWindowDarkeningRatio = 0.0f;
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MouseCursor = ImGuiMouseCursor_Arrow;
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LogEnabled = false;
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@ -2150,9 +2153,17 @@ void ImGui::NewFrame()
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g.HoveredRootWindow = g.HoveredWindow->RootWindow;
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else
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g.HoveredRootWindow = FindHoveredWindow(g.IO.MousePos, true);
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if (ImGuiWindow* modal_window = GetFrontMostModalRootWindow())
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{
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g.ModalWindowDarkeningRatio = ImMin(g.ModalWindowDarkeningRatio + g.IO.DeltaTime * 6.0f, 1.0f);
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if (g.HoveredRootWindow != modal_window)
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g.HoveredRootWindow = g.HoveredWindow = NULL;
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}
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else
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{
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g.ModalWindowDarkeningRatio = 0.0f;
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}
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// Are we using inputs? Tell user so they can capture/discard the inputs away from the rest of their application.
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// When clicking outside of a window we assume the click is owned by the application and won't request capture.
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@ -3799,6 +3810,13 @@ bool ImGui::Begin(const char* name, bool* p_opened, const ImVec2& size_on_first_
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if (!window->Collapsed && !window->SkipItems)
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window->ScrollY = ImMin(window->ScrollY, ImMax(0.0f, window->SizeContents.y - window->SizeFull.y));
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// Modal window darkens what is behind them
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if ((flags & ImGuiWindowFlags_Modal) != 0 && window == GetFrontMostModalRootWindow())
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{
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ImVec4 fullscreen_rect = GetVisibleRect();
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window->DrawList->AddRectFilled(ImVec2(fullscreen_rect.x, fullscreen_rect.y), ImVec2(fullscreen_rect.z, fullscreen_rect.w), window->Color(ImGuiCol_ModalWindowDarkening, g.ModalWindowDarkeningRatio));
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}
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// Draw window + handle manual resize
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ImRect title_bar_rect = window->TitleBarRect();
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const float window_rounding = (flags & ImGuiWindowFlags_ChildWindow) ? style.ChildWindowRounding : style.WindowRounding;
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@ -4392,6 +4410,7 @@ const char* ImGui::GetStyleColName(ImGuiCol idx)
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case ImGuiCol_PlotHistogramHovered: return "PlotHistogramHovered";
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case ImGuiCol_TextSelectedBg: return "TextSelectedBg";
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case ImGuiCol_TooltipBg: return "TooltipBg";
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case ImGuiCol_ModalWindowDarkening: return "ModalWindowDarkening";
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}
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IM_ASSERT(0);
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return "Unknown";
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