Globals

Flags used by ImGui.

// Flags for ImGui::Begin()
enum ImGuiWindowFlags_
{
    ImGuiWindowFlags_None                   = 0,
    ImGuiWindowFlags_NoTitleBar             = 1 << 0,   // Disable title-bar
    ImGuiWindowFlags_NoResize               = 1 << 1,   // Disable user resizing with the lower-right grip
    ImGuiWindowFlags_NoMove                 = 1 << 2,   // Disable user moving the window
    ImGuiWindowFlags_NoScrollbar            = 1 << 3,   // Disable scrollbars (window can still scroll with mouse or programmatically)
    ImGuiWindowFlags_NoScrollWithMouse      = 1 << 4,   // Disable user vertically scrolling with mouse wheel. On child window, mouse wheel will be forwarded to the parent unless NoScrollbar is also set.
    ImGuiWindowFlags_NoCollapse             = 1 << 5,   // Disable user collapsing window by double-clicking on it
    ImGuiWindowFlags_AlwaysAutoResize       = 1 << 6,   // Resize every window to its content every frame
    ImGuiWindowFlags_NoBackground           = 1 << 7,   // Disable drawing background color (WindowBg, etc.) and outside border. Similar as using SetNextWindowBgAlpha(0.0f).
    ImGuiWindowFlags_NoSavedSettings        = 1 << 8,   // Never load/save settings in .ini file
    ImGuiWindowFlags_NoMouseInputs          = 1 << 9,   // Disable catching mouse, hovering test with pass through.
    ImGuiWindowFlags_MenuBar                = 1 << 10,  // Has a menu-bar
    ImGuiWindowFlags_HorizontalScrollbar    = 1 << 11,  // Allow horizontal scrollbar to appear (off by default). You may use SetNextWindowContentSize(ImVec2(width,0.0f)); prior to calling Begin() to specify width. Read code in imgui_demo in the "Horizontal Scrolling" section.
    ImGuiWindowFlags_NoFocusOnAppearing     = 1 << 12,  // Disable taking focus when transitioning from hidden to visible state
    ImGuiWindowFlags_NoBringToFrontOnFocus  = 1 << 13,  // Disable bringing window to front when taking focus (e.g. clicking on it or programmatically giving it focus)
    ImGuiWindowFlags_AlwaysVerticalScrollbar= 1 << 14,  // Always show vertical scrollbar (even if ContentSize.y < Size.y)
    ImGuiWindowFlags_AlwaysHorizontalScrollbar=1<< 15,  // Always show horizontal scrollbar (even if ContentSize.x < Size.x)
    ImGuiWindowFlags_AlwaysUseWindowPadding = 1 << 16,  // Ensure child windows without border uses style.WindowPadding (ignored by default for non-bordered child windows, because more convenient)
    ImGuiWindowFlags_NoNavInputs            = 1 << 18,  // No gamepad/keyboard navigation within the window
    ImGuiWindowFlags_NoNavFocus             = 1 << 19,  // No focusing toward this window with gamepad/keyboard navigation (e.g. skipped by CTRL+TAB)
    ImGuiWindowFlags_UnsavedDocument        = 1 << 20,  // Display a dot next to the title. When used in a tab/docking context, tab is selected when clicking the X + closure is not assumed (will wait for user to stop submitting the tab). Otherwise closure is assumed when pressing the X, so if you keep submitting the tab may reappear at end of tab bar.
    ImGuiWindowFlags_NoNav                  = ImGuiWindowFlags_NoNavInputs | ImGuiWindowFlags_NoNavFocus,
    ImGuiWindowFlags_NoDecoration           = ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoCollapse,
    ImGuiWindowFlags_NoInputs               = ImGuiWindowFlags_NoMouseInputs | ImGuiWindowFlags_NoNavInputs | ImGuiWindowFlags_NoNavFocus,

    // [Internal]
    ImGuiWindowFlags_NavFlattened           = 1 << 23,  // [BETA] On child window: allow gamepad/keyboard navigation to cross over parent border to this child or between sibling child windows.
    ImGuiWindowFlags_ChildWindow            = 1 << 24,  // Don't use! For internal use by BeginChild()
    ImGuiWindowFlags_Tooltip                = 1 << 25,  // Don't use! For internal use by BeginTooltip()
    ImGuiWindowFlags_Popup                  = 1 << 26,  // Don't use! For internal use by BeginPopup()
    ImGuiWindowFlags_Modal                  = 1 << 27,  // Don't use! For internal use by BeginPopupModal()
    ImGuiWindowFlags_ChildMenu              = 1 << 28   // Don't use! For internal use by BeginMenu()

    // [Obsolete]
    //ImGuiWindowFlags_ResizeFromAnySide    = 1 << 17,  // --> Set io.ConfigWindowsResizeFromEdges=true and make sure mouse cursors are supported by backend (io.BackendFlags & ImGuiBackendFlags_HasMouseCursors)
};

enum ImGuiStyleVar_
{
    // Enum name --------------------- // Member in ImGuiStyle structure (see ImGuiStyle for descriptions)
    ImGuiStyleVar_Alpha,               // float     Alpha
    ImGuiStyleVar_WindowPadding,       // ImVec2    WindowPadding
    ImGuiStyleVar_WindowRounding,      // float     WindowRounding
    ImGuiStyleVar_WindowBorderSize,    // float     WindowBorderSize
    ImGuiStyleVar_WindowMinSize,       // ImVec2    WindowMinSize
    ImGuiStyleVar_WindowTitleAlign,    // ImVec2    WindowTitleAlign
    ImGuiStyleVar_ChildRounding,       // float     ChildRounding
    ImGuiStyleVar_ChildBorderSize,     // float     ChildBorderSize
    ImGuiStyleVar_PopupRounding,       // float     PopupRounding
    ImGuiStyleVar_PopupBorderSize,     // float     PopupBorderSize
    ImGuiStyleVar_FramePadding,        // ImVec2    FramePadding
    ImGuiStyleVar_FrameRounding,       // float     FrameRounding
    ImGuiStyleVar_FrameBorderSize,     // float     FrameBorderSize
    ImGuiStyleVar_ItemSpacing,         // ImVec2    ItemSpacing
    ImGuiStyleVar_ItemInnerSpacing,    // ImVec2    ItemInnerSpacing
    ImGuiStyleVar_IndentSpacing,       // float     IndentSpacing
    ImGuiStyleVar_ScrollbarSize,       // float     ScrollbarSize
    ImGuiStyleVar_ScrollbarRounding,   // float     ScrollbarRounding
    ImGuiStyleVar_GrabMinSize,         // float     GrabMinSize
    ImGuiStyleVar_GrabRounding,        // float     GrabRounding
    ImGuiStyleVar_TabRounding,         // float     TabRounding
    ImGuiStyleVar_ButtonTextAlign,     // ImVec2    ButtonTextAlign
    ImGuiStyleVar_SelectableTextAlign, // ImVec2    SelectableTextAlign
    ImGuiStyleVar_COUNT
};

// Flags for ImGui::BeginTabItem()
enum ImGuiTabItemFlags_
{
    ImGuiTabItemFlags_None                          = 0,
    ImGuiTabItemFlags_UnsavedDocument               = 1 << 0,   // Append '*' to title without affecting the ID, as a convenience to avoid using the ### operator. Also: tab is selected on closure and closure is deferred by one frame to allow code to undo it without flicker.
    ImGuiTabItemFlags_SetSelected                   = 1 << 1,   // Trigger flag to programmatically make the tab selected when calling BeginTabItem()
    ImGuiTabItemFlags_NoCloseWithMiddleMouseButton  = 1 << 2,   // Disable behavior of closing tabs (that are submitted with p_open != NULL) with middle mouse button. You can still repro this behavior on user's side with if (IsItemHovered() && IsMouseClicked(2)) *p_open = false.
    ImGuiTabItemFlags_NoPushId                      = 1 << 3    // Don't call PushID(tab->ID)/PopID() on BeginTabItem()/EndTabItem()
};

enum ImGuiTabBarFlags_
{
    ImGuiTabBarFlags_None                           = 0,
    ImGuiTabBarFlags_Reorderable                    = 1 << 0,   // Allow manually dragging tabs to re-order them + New tabs are appended at the end of list
    ImGuiTabBarFlags_AutoSelectNewTabs              = 1 << 1,   // Automatically select new tabs when they appear
    ImGuiTabBarFlags_TabListPopupButton             = 1 << 2,   // Disable buttons to open the tab list popup
    ImGuiTabBarFlags_NoCloseWithMiddleMouseButton   = 1 << 3,   // Disable behavior of closing tabs (that are submitted with p_open != NULL) with middle mouse button. You can still repro this behavior on user's side with if (IsItemHovered() && IsMouseClicked(2)) *p_open = false.
    ImGuiTabBarFlags_NoTabListScrollingButtons      = 1 << 4,   // Disable scrolling buttons (apply when fitting policy is ImGuiTabBarFlags_FittingPolicyScroll)
    ImGuiTabBarFlags_NoTooltip                      = 1 << 5,   // Disable tooltips when hovering a tab
    ImGuiTabBarFlags_FittingPolicyResizeDown        = 1 << 6,   // Resize tabs when they don't fit
    ImGuiTabBarFlags_FittingPolicyScroll            = 1 << 7,   // Add scroll buttons when tabs don't fit
    ImGuiTabBarFlags_FittingPolicyMask_             = ImGuiTabBarFlags_FittingPolicyResizeDown | ImGuiTabBarFlags_FittingPolicyScroll,
    ImGuiTabBarFlags_FittingPolicyDefault_          = ImGuiTabBarFlags_FittingPolicyResizeDown
};

enum ImGuiHoveredFlags_
{
    ImGuiHoveredFlags_None                          = 0,        // Return true if directly over the item/window, not obstructed by another window, not obstructed by an active popup or modal blocking inputs under them.
    ImGuiHoveredFlags_ChildWindows                  = 1 << 0,   // IsWindowHovered() only: Return true if any children of the window is hovered
    ImGuiHoveredFlags_RootWindow                    = 1 << 1,   // IsWindowHovered() only: Test from root window (top most parent of the current hierarchy)
    ImGuiHoveredFlags_AnyWindow                     = 1 << 2,   // IsWindowHovered() only: Return true if any window is hovered
    ImGuiHoveredFlags_AllowWhenBlockedByPopup       = 1 << 3,   // Return true even if a popup window is normally blocking access to this item/window
    //ImGuiHoveredFlags_AllowWhenBlockedByModal     = 1 << 4,   // Return true even if a modal popup window is normally blocking access to this item/window. FIXME-TODO: Unavailable yet.
    ImGuiHoveredFlags_AllowWhenBlockedByActiveItem  = 1 << 5,   // Return true even if an active item is blocking access to this item/window. Useful for Drag and Drop patterns.
    ImGuiHoveredFlags_AllowWhenOverlapped           = 1 << 6,   // Return true even if the position is obstructed or overlapped by another window
    ImGuiHoveredFlags_AllowWhenDisabled             = 1 << 7,   // Return true even if the item is disabled
    ImGuiHoveredFlags_RectOnly                      = ImGuiHoveredFlags_AllowWhenBlockedByPopup | ImGuiHoveredFlags_AllowWhenBlockedByActiveItem | ImGuiHoveredFlags_AllowWhenOverlapped,
    ImGuiHoveredFlags_RootAndChildWindows           = ImGuiHoveredFlags_RootWindow | ImGuiHoveredFlags_ChildWindows
};