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https://github.com/xemu-project/imgui.git
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Internals: Extracted part of Begin into UpdateWindowParentAndRootLinks(). Useful to call to keep state updated immediately (namely useful for docking) + small tidying up of imgui_internal.h
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omar
parent
84183f5bb6
commit
63df9d6311
24
imgui.cpp
24
imgui.cpp
@ -6178,6 +6178,18 @@ static void ImGui::UpdateManualResize(ImGuiWindow* window, const ImVec2& size_au
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window->Size = window->SizeFull;
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}
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void ImGui::UpdateWindowParentAndRootLinks(ImGuiWindow* window, ImGuiWindowFlags flags, ImGuiWindow* parent_window)
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{
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window->ParentWindow = parent_window;
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window->RootWindow = window->RootWindowForTitleBarHighlight = window->RootWindowForNav = window;
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if (parent_window && (flags & ImGuiWindowFlags_ChildWindow) && !(flags & ImGuiWindowFlags_Tooltip))
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window->RootWindow = parent_window->RootWindow;
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if (parent_window && !(flags & ImGuiWindowFlags_Modal) && (flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Popup)))
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window->RootWindowForTitleBarHighlight = parent_window->RootWindowForTitleBarHighlight;
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while (window->RootWindowForNav->Flags & ImGuiWindowFlags_NavFlattened)
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window->RootWindowForNav = window->RootWindowForNav->ParentWindow;
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}
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// Push a new ImGui window to add widgets to.
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// - A default window called "Debug" is automatically stacked at the beginning of every frame so you can use widgets without explicitly calling a Begin/End pair.
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// - Begin/End can be called multiple times during the frame with the same window name to append content.
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@ -6296,17 +6308,9 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
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// When reusing window again multiple times a frame, just append content (don't need to setup again)
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if (first_begin_of_the_frame)
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{
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const bool window_is_child_tooltip = (flags & ImGuiWindowFlags_ChildWindow) && (flags & ImGuiWindowFlags_Tooltip); // FIXME-WIP: Undocumented behavior of Child+Tooltip for pinned tooltip (#1345)
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// Initialize
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window->ParentWindow = parent_window;
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window->RootWindow = window->RootWindowForTitleBarHighlight = window->RootWindowForNav = window;
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if (parent_window && (flags & ImGuiWindowFlags_ChildWindow) && !window_is_child_tooltip)
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window->RootWindow = parent_window->RootWindow;
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if (parent_window && !(flags & ImGuiWindowFlags_Modal) && (flags & (ImGuiWindowFlags_ChildWindow | ImGuiWindowFlags_Popup)))
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window->RootWindowForTitleBarHighlight = parent_window->RootWindowForTitleBarHighlight;
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while (window->RootWindowForNav->Flags & ImGuiWindowFlags_NavFlattened)
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window->RootWindowForNav = window->RootWindowForNav->ParentWindow;
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const bool window_is_child_tooltip = (flags & ImGuiWindowFlags_ChildWindow) && (flags & ImGuiWindowFlags_Tooltip); // FIXME-WIP: Undocumented behavior of Child+Tooltip for pinned tooltip (#1345)
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UpdateWindowParentAndRootLinks(window, flags, parent_window);
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window->Active = true;
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window->BeginOrderWithinParent = 0;
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@ -1082,24 +1082,28 @@ namespace ImGui
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IMGUI_API void FocusWindow(ImGuiWindow* window);
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IMGUI_API void BringWindowToFront(ImGuiWindow* window);
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IMGUI_API void BringWindowToBack(ImGuiWindow* window);
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IMGUI_API void UpdateWindowParentAndRootLinks(ImGuiWindow* window, ImGuiWindowFlags flags, ImGuiWindow* parent_window);
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IMGUI_API bool IsWindowChildOf(ImGuiWindow* window, ImGuiWindow* potential_parent);
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IMGUI_API bool IsWindowNavFocusable(ImGuiWindow* window);
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IMGUI_API void SetCurrentFont(ImFont* font);
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inline ImFont* GetDefaultFont() { ImGuiContext& g = *GImGui; return g.IO.FontDefault ? g.IO.FontDefault : g.IO.Fonts->Fonts[0]; }
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// Init
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IMGUI_API void Initialize(ImGuiContext* context);
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IMGUI_API void Shutdown(ImGuiContext* context); // Since 1.60 this is a _private_ function. You can call DestroyContext() to destroy the context created by CreateContext().
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// NewFrame
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IMGUI_API void UpdateHoveredWindowAndCaptureFlags();
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IMGUI_API void StartMouseMovingWindow(ImGuiWindow* window);
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IMGUI_API void UpdateMouseMovingWindow();
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// Settings
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IMGUI_API void MarkIniSettingsDirty();
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IMGUI_API void MarkIniSettingsDirty(ImGuiWindow* window);
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IMGUI_API ImGuiSettingsHandler* FindSettingsHandler(const char* type_name);
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IMGUI_API ImGuiWindowSettings* FindWindowSettings(ImGuiID id);
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// Basic Accessors
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inline ImGuiID GetItemID() { ImGuiContext& g = *GImGui; return g.CurrentWindow->DC.LastItemId; }
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inline ImGuiID GetActiveID() { ImGuiContext& g = *GImGui; return g.ActiveId; }
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inline ImGuiID GetFocusID() { ImGuiContext& g = *GImGui; return g.NavId; }
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@ -1111,6 +1115,7 @@ namespace ImGui
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IMGUI_API void KeepAliveID(ImGuiID id);
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IMGUI_API void MarkItemValueChanged(ImGuiID id);
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// Basic Helpers for widget code
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IMGUI_API void ItemSize(const ImVec2& size, float text_offset_y = 0.0f);
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IMGUI_API void ItemSize(const ImRect& bb, float text_offset_y = 0.0f);
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IMGUI_API bool ItemAdd(const ImRect& bb, ImGuiID id, const ImRect* nav_bb = NULL);
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@ -1124,6 +1129,7 @@ namespace ImGui
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IMGUI_API void PushItemFlag(ImGuiItemFlags option, bool enabled);
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IMGUI_API void PopItemFlag();
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// Popups, Modals, Tooltips
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IMGUI_API void OpenPopupEx(ImGuiID id);
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IMGUI_API void ClosePopup(ImGuiID id);
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IMGUI_API void ClosePopupToLevel(int remaining);
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@ -1133,31 +1139,29 @@ namespace ImGui
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IMGUI_API void BeginTooltipEx(ImGuiWindowFlags extra_flags, bool override_previous_tooltip = true);
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IMGUI_API ImGuiWindow* GetFrontMostPopupModal();
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// Navigation
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IMGUI_API void NavInitWindow(ImGuiWindow* window, bool force_reinit);
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IMGUI_API void NavMoveRequestCancel();
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IMGUI_API void NavMoveRequestForward(ImGuiDir move_dir, ImGuiDir clip_dir, const ImRect& bb_rel, ImGuiNavMoveFlags move_flags);
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IMGUI_API void NavMoveRequestTryWrapping(ImGuiWindow* window, ImGuiNavMoveFlags move_flags);
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IMGUI_API void ActivateItem(ImGuiID id); // Remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again.
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IMGUI_API float GetNavInputAmount(ImGuiNavInput n, ImGuiInputReadMode mode);
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IMGUI_API ImVec2 GetNavInputAmount2d(ImGuiNavDirSourceFlags dir_sources, ImGuiInputReadMode mode, float slow_factor = 0.0f, float fast_factor = 0.0f);
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IMGUI_API int CalcTypematicPressedRepeatAmount(float t, float t_prev, float repeat_delay, float repeat_rate);
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IMGUI_API void Scrollbar(ImGuiLayoutType direction);
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IMGUI_API void VerticalSeparator(); // Vertical separator, for menu bars (use current line height). not exposed because it is misleading what it doesn't have an effect on regular layout.
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IMGUI_API bool SplitterBehavior(ImGuiID id, const ImRect& bb, ImGuiAxis axis, float* size1, float* size2, float min_size1, float min_size2, float hover_extend = 0.0f, float hover_visibility_delay = 0.0f);
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IMGUI_API void ActivateItem(ImGuiID id); // Remotely activate a button, checkbox, tree node etc. given its unique ID. activation is queued and processed on the next frame when the item is encountered again.
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// Drag and Drop
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IMGUI_API bool BeginDragDropTargetCustom(const ImRect& bb, ImGuiID id);
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IMGUI_API void ClearDragDrop();
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IMGUI_API bool IsDragDropPayloadBeingAccepted();
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// FIXME-WIP: New Columns API
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// New Columns API (FIXME-WIP)
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IMGUI_API void BeginColumns(const char* str_id, int count, ImGuiColumnsFlags flags = 0); // setup number of columns. use an identifier to distinguish multiple column sets. close with EndColumns().
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IMGUI_API void EndColumns(); // close columns
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IMGUI_API void PushColumnClipRect(int column_index = -1);
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// NB: All position are in absolute pixels coordinates (never using window coordinates internally)
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// Render helpers
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// AVOID USING OUTSIDE OF IMGUI.CPP! NOT FOR PUBLIC CONSUMPTION. THOSE FUNCTIONS ARE A MESS. THEIR SIGNATURE AND BEHAVIOR WILL CHANGE, THEY NEED TO BE REFACTORED INTO SOMETHING DECENT.
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// NB: All position are in absolute pixels coordinates (never using window coordinates internally)
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IMGUI_API void RenderText(ImVec2 pos, const char* text, const char* text_end = NULL, bool hide_text_after_hash = true);
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IMGUI_API void RenderTextWrapped(ImVec2 pos, const char* text, const char* text_end, float wrap_width);
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IMGUI_API void RenderTextClipped(const ImVec2& pos_min, const ImVec2& pos_max, const char* text, const char* text_end, const ImVec2* text_size_if_known, const ImVec2& align = ImVec2(0,0), const ImRect* clip_rect = NULL);
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@ -1172,14 +1176,22 @@ namespace ImGui
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IMGUI_API void RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding);
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IMGUI_API const char* FindRenderedTextEnd(const char* text, const char* text_end = NULL); // Find the optional ## from which we stop displaying text.
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IMGUI_API bool ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool* out_held, ImGuiButtonFlags flags = 0);
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// Widgets
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IMGUI_API bool ButtonEx(const char* label, const ImVec2& size_arg = ImVec2(0,0), ImGuiButtonFlags flags = 0);
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IMGUI_API bool CloseButton(ImGuiID id, const ImVec2& pos, float radius);
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IMGUI_API bool CollapseButton(ImGuiID id, const ImVec2& pos);
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IMGUI_API bool ArrowButtonEx(const char* str_id, ImGuiDir dir, ImVec2 size_arg, ImGuiButtonFlags flags);
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IMGUI_API void Scrollbar(ImGuiLayoutType direction);
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IMGUI_API void VerticalSeparator(); // Vertical separator, for menu bars (use current line height). Not exposed because it is misleading and it doesn't have an effect on regular layout.
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// Widgets low-level behaviors
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IMGUI_API bool ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool* out_held, ImGuiButtonFlags flags = 0);
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IMGUI_API bool DragBehavior(ImGuiID id, ImGuiDataType data_type, void* v, float v_speed, const void* v_min, const void* v_max, const char* format, float power);
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IMGUI_API bool SliderBehavior(const ImRect& bb, ImGuiID id, ImGuiDataType data_type, void* v, const void* v_min, const void* v_max, const char* format, float power, ImGuiSliderFlags flags = 0);
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IMGUI_API bool SplitterBehavior(ImGuiID id, const ImRect& bb, ImGuiAxis axis, float* size1, float* size2, float min_size1, float min_size2, float hover_extend = 0.0f, float hover_visibility_delay = 0.0f);
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IMGUI_API bool TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* label, const char* label_end = NULL);
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IMGUI_API bool TreeNodeBehaviorIsOpen(ImGuiID id, ImGuiTreeNodeFlags flags = 0); // Consume previous SetNextTreeNodeOpened() data, if any. May return true when logging
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IMGUI_API void TreePushRawID(ImGuiID id);
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IMGUI_API bool InputTextEx(const char* label, char* buf, int buf_size, const ImVec2& size_arg, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback = NULL, void* user_data = NULL);
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IMGUI_API bool InputScalarAsWidgetReplacement(const ImRect& bb, ImGuiID id, const char* label, ImGuiDataType data_type, void* data_ptr, const char* format);
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@ -1187,10 +1199,6 @@ namespace ImGui
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IMGUI_API void ColorTooltip(const char* text, const float* col, ImGuiColorEditFlags flags);
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IMGUI_API void ColorEditOptionsPopup(const float* col, ImGuiColorEditFlags flags);
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IMGUI_API bool TreeNodeBehavior(ImGuiID id, ImGuiTreeNodeFlags flags, const char* label, const char* label_end = NULL);
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IMGUI_API bool TreeNodeBehaviorIsOpen(ImGuiID id, ImGuiTreeNodeFlags flags = 0); // Consume previous SetNextTreeNodeOpened() data, if any. May return true when logging
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IMGUI_API void TreePushRawID(ImGuiID id);
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IMGUI_API void PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size);
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// Shade functions (write over already created vertices)
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