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Merge branch 'master' into viewport

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# Conflicts:
#	imgui.h
docking
omar 7 years ago
parent 6cfc9e6256 d8d93f6360
commit bcf4ed28a9
2 changed files with 172 additions and 160 deletions
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9
imconfig.h
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@ -1,6 +1,7 @@
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// COMPILE-TIME OPTIONS FOR DEAR IMGUI // COMPILE-TIME OPTIONS FOR DEAR IMGUI
// Most options (memory allocation, clipboard callbacks, etc.) can be set at runtime via the ImGuiIO structure - ImGui::GetIO(). // Runtime options (clipboard callbacks, enabling various features, etc.) can generally be set via the ImGuiIO structure.
// You can use ImGui::SetAllocatorFunctions() before calling ImGui::CreateContext() to rewire memory allocation functions.
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// A) You may edit imconfig.h (and not overwrite it when updating imgui, or maintain a patch/branch with your modifications to imconfig.h) // A) You may edit imconfig.h (and not overwrite it when updating imgui, or maintain a patch/branch with your modifications to imconfig.h)
// B) or add configuration directives in your own file and compile with #define IMGUI_USER_CONFIG "myfilename.h" // B) or add configuration directives in your own file and compile with #define IMGUI_USER_CONFIG "myfilename.h"
@ -16,7 +17,7 @@
//#define IMGUI_API __declspec( dllexport ) //#define IMGUI_API __declspec( dllexport )
//#define IMGUI_API __declspec( dllimport ) //#define IMGUI_API __declspec( dllimport )
//---- Don't define obsolete functions names. Consider enabling from time to time or when updating to reduce likelihood of using already obsolete function/names //---- Don't define obsolete functions/enums names. Consider enabling from time to time after updating to avoid using soon-to-be obsolete function/names
//#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS //#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS
//---- Don't implement default handlers for Windows (so as not to link with certain functions) //---- Don't implement default handlers for Windows (so as not to link with certain functions)
@ -24,7 +25,7 @@
//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS // Don't use and link with ImmGetContext/ImmSetCompositionWindow. //#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS // Don't use and link with ImmGetContext/ImmSetCompositionWindow.
//---- Don't implement demo windows functionality (ShowDemoWindow()/ShowStyleEditor()/ShowUserGuide() methods will be empty) //---- Don't implement demo windows functionality (ShowDemoWindow()/ShowStyleEditor()/ShowUserGuide() methods will be empty)
//---- It is very strongly recommended to NOT disable the demo windows. Please read the comment at the top of imgui_demo.cpp. //---- It is very strongly recommended to NOT disable the demo windows during development. Please read the comments in imgui_demo.cpp.
//#define IMGUI_DISABLE_DEMO_WINDOWS //#define IMGUI_DISABLE_DEMO_WINDOWS
//---- Don't implement ImFormatString(), ImFormatStringV() so you can reimplement them yourself. //---- Don't implement ImFormatString(), ImFormatStringV() so you can reimplement them yourself.
@ -51,7 +52,7 @@
operator MyVec4() const { return MyVec4(x,y,z,w); } operator MyVec4() const { return MyVec4(x,y,z,w); }
*/ */
//---- Use 32-bit vertex indices (instead of default 16-bit) to allow meshes with more than 64K vertices. Render function needs to support it. //---- Use 32-bit vertex indices (default is 16-bit) to allow meshes with more than 64K vertices. Render function needs to support it.
//#define ImDrawIdx unsigned int //#define ImDrawIdx unsigned int
//---- Tip: You can add extra functions within the ImGui:: namespace, here or in your own headers files. //---- Tip: You can add extra functions within the ImGui:: namespace, here or in your own headers files.

147
imgui.h
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@ -8,7 +8,7 @@
#pragma once #pragma once
// User-editable configuration files (edit stock imconfig.h or define IMGUI_USER_CONFIG to your own filename) // Configuration file (edit imconfig.h or define IMGUI_USER_CONFIG to set your own filename)
#ifdef IMGUI_USER_CONFIG #ifdef IMGUI_USER_CONFIG
#include IMGUI_USER_CONFIG #include IMGUI_USER_CONFIG
#endif #endif
@ -36,15 +36,14 @@
#endif #endif
// Helpers // Helpers
// Some compilers support applying printf-style warnings to user functions.
#if defined(__clang__) || defined(__GNUC__) #if defined(__clang__) || defined(__GNUC__)
#define IM_FMTARGS(FMT) __attribute__((format(printf, FMT, FMT+1))) #define IM_FMTARGS(FMT) __attribute__((format(printf, FMT, FMT+1))) // Apply printf-style warnings to user functions.
#define IM_FMTLIST(FMT) __attribute__((format(printf, FMT, 0))) #define IM_FMTLIST(FMT) __attribute__((format(printf, FMT, 0)))
#else #else
#define IM_FMTARGS(FMT) #define IM_FMTARGS(FMT)
#define IM_FMTLIST(FMT) #define IM_FMTLIST(FMT)
#endif #endif
#define IM_ARRAYSIZE(_ARR) ((int)(sizeof(_ARR)/sizeof(*_ARR))) #define IM_ARRAYSIZE(_ARR) ((int)(sizeof(_ARR)/sizeof(*_ARR))) // Size of a static C-style array. Don't use on pointers!
#define IM_OFFSETOF(_TYPE,_MEMBER) ((size_t)&(((_TYPE*)0)->_MEMBER)) // Offset of _MEMBER within _TYPE. Standardized as offsetof() in modern C++. #define IM_OFFSETOF(_TYPE,_MEMBER) ((size_t)&(((_TYPE*)0)->_MEMBER)) // Offset of _MEMBER within _TYPE. Standardized as offsetof() in modern C++.
#if defined(__clang__) #if defined(__clang__)
@ -77,13 +76,13 @@ struct ImGuiViewport; // Viewport (generally ~1 per window to outp
struct ImGuiContext; // ImGui context (opaque) struct ImGuiContext; // ImGui context (opaque)
#ifndef ImTextureID #ifndef ImTextureID
typedef void* ImTextureID; // user data to identify a texture (this is whatever to you want it to be! read the FAQ about ImTextureID in imgui.cpp) typedef void* ImTextureID; // User data to identify a texture (this is whatever to you want it to be! read the FAQ about ImTextureID in imgui.cpp)
#endif #endif
// Typedefs and Enumerations (declared as int for compatibility with old C++ and to not pollute the top of this file) // Typedefs and Enumerations (declared as int for compatibility with old C++ and to not pollute the top of this file)
typedef unsigned int ImU32; // 32-bit unsigned integer (typically used to store packed colors) typedef unsigned int ImU32; // 32-bit unsigned integer (typically used to store packed colors)
typedef unsigned int ImGuiID; // unique ID used by widgets (typically hashed from a stack of string) typedef unsigned int ImGuiID; // Unique ID used by widgets (typically hashed from a stack of string)
typedef unsigned short ImWchar; // character for keyboard input/display typedef unsigned short ImWchar; // Character for keyboard input/display
typedef int ImGuiCol; // enum: a color identifier for styling // enum ImGuiCol_ typedef int ImGuiCol; // enum: a color identifier for styling // enum ImGuiCol_
typedef int ImGuiDir; // enum: a cardinal direction // enum ImGuiDir_ typedef int ImGuiDir; // enum: a cardinal direction // enum ImGuiDir_
typedef int ImGuiCond; // enum: a condition for Set*() // enum ImGuiCond_ typedef int ImGuiCond; // enum: a condition for Set*() // enum ImGuiCond_
@ -118,7 +117,7 @@ struct ImVec2
float x, y; float x, y;
ImVec2() { x = y = 0.0f; } ImVec2() { x = y = 0.0f; }
ImVec2(float _x, float _y) { x = _x; y = _y; } ImVec2(float _x, float _y) { x = _x; y = _y; }
float operator[] (size_t idx) const { IM_ASSERT(idx <= 1); return (&x)[idx]; } // We very rarely use this [] operator, thus an assert is fine. float operator[] (size_t idx) const { IM_ASSERT(idx <= 1); return (&x)[idx]; } // We very rarely use this [] operator, the assert overhead is fine.
#ifdef IM_VEC2_CLASS_EXTRA // Define constructor and implicit cast operators in imconfig.h to convert back<>forth from your math types and ImVec2. #ifdef IM_VEC2_CLASS_EXTRA // Define constructor and implicit cast operators in imconfig.h to convert back<>forth from your math types and ImVec2.
IM_VEC2_CLASS_EXTRA IM_VEC2_CLASS_EXTRA
#endif #endif
@ -138,11 +137,11 @@ struct ImVec4
// In a namespace so that user can add extra functions in a separate file (e.g. Value() helpers for your vector or common types) // In a namespace so that user can add extra functions in a separate file (e.g. Value() helpers for your vector or common types)
namespace ImGui namespace ImGui
{ {
// Context creation and access, if you want to use multiple context, share context between modules (e.g. DLL). // Context creation and access
// All contexts share a same ImFontAtlas by default. If you want different font atlas, you can new() them and overwrite the GetIO().Fonts variable of an ImGui context. // All contexts share a same ImFontAtlas by default. If you want different font atlas, you can new() them and overwrite the GetIO().Fonts variable of an ImGui context.
// All those functions are not reliant on the current context. // All those functions are not reliant on the current context.
IMGUI_API ImGuiContext* CreateContext(ImFontAtlas* shared_font_atlas = NULL); IMGUI_API ImGuiContext* CreateContext(ImFontAtlas* shared_font_atlas = NULL);
IMGUI_API void DestroyContext(ImGuiContext* ctx = NULL); // NULL = Destroy current context IMGUI_API void DestroyContext(ImGuiContext* ctx = NULL); // NULL = destroy current context
IMGUI_API ImGuiContext* GetCurrentContext(); IMGUI_API ImGuiContext* GetCurrentContext();
IMGUI_API void SetCurrentContext(ImGuiContext* ctx); IMGUI_API void SetCurrentContext(ImGuiContext* ctx);
@ -156,40 +155,48 @@ namespace ImGui
IMGUI_API ImDrawData* GetDrawDataForViewport(ImGuiID viewport_id);// ImDrawData filtered to hold only the ImDrawList covering a given viewport. valid after Render() and until the next call to NewFrame() IMGUI_API ImDrawData* GetDrawDataForViewport(ImGuiID viewport_id);// ImDrawData filtered to hold only the ImDrawList covering a given viewport. valid after Render() and until the next call to NewFrame()
IMGUI_API void EndFrame(); // ends the ImGui frame. automatically called by Render(), so most likely don't need to ever call that yourself directly. If you don't need to render you may call EndFrame() but you'll have wasted CPU already. If you don't need to render, better to not create any imgui windows instead! IMGUI_API void EndFrame(); // ends the ImGui frame. automatically called by Render(), so most likely don't need to ever call that yourself directly. If you don't need to render you may call EndFrame() but you'll have wasted CPU already. If you don't need to render, better to not create any imgui windows instead!
// Demo, Debug, Informations // Demo, Debug, Information
IMGUI_API void ShowDemoWindow(bool* p_open = NULL); // create demo/test window (previously called ShowTestWindow). demonstrate most ImGui features. call this to learn about the library! try to make it always available in your application! IMGUI_API void ShowDemoWindow(bool* p_open = NULL); // create demo/test window (previously called ShowTestWindow). demonstrate most ImGui features. call this to learn about the library! try to make it always available in your application!
IMGUI_API void ShowMetricsWindow(bool* p_open = NULL); // create metrics window. display ImGui internals: draw commands (with individual draw calls and vertices), window list, basic internal state, etc. IMGUI_API void ShowMetricsWindow(bool* p_open = NULL); // create metrics window. display ImGui internals: draw commands (with individual draw calls and vertices), window list, basic internal state, etc.
IMGUI_API void ShowStyleEditor(ImGuiStyle* ref = NULL); // add style editor block (not a window). you can pass in a reference ImGuiStyle structure to compare to, revert to and save to (else it uses the default style) IMGUI_API void ShowStyleEditor(ImGuiStyle* ref = NULL); // add style editor block (not a window). you can pass in a reference ImGuiStyle structure to compare to, revert to and save to (else it uses the default style)
IMGUI_API bool ShowStyleSelector(const char* label); IMGUI_API bool ShowStyleSelector(const char* label); // add style selector block (not a window), essentially a combo listing the default styles.
IMGUI_API void ShowFontSelector(const char* label); IMGUI_API void ShowFontSelector(const char* label); // add font selector block (not a window), essentially a combo listing the loaded fonts.
IMGUI_API void ShowUserGuide(); // add basic help/info block (not a window): how to manipulate ImGui as a end-user (mouse/keyboard controls). IMGUI_API void ShowUserGuide(); // add basic help/info block (not a window): how to manipulate ImGui as a end-user (mouse/keyboard controls).
IMGUI_API const char* GetVersion(); IMGUI_API const char* GetVersion(); // get a version string e.g. "1.23"
// Styles // Styles
IMGUI_API void StyleColorsDark(ImGuiStyle* dst = NULL); // New, recommended style IMGUI_API void StyleColorsDark(ImGuiStyle* dst = NULL); // new, recommended style
IMGUI_API void StyleColorsClassic(ImGuiStyle* dst = NULL); // Classic imgui style (default) IMGUI_API void StyleColorsClassic(ImGuiStyle* dst = NULL); // old, classic imgui style (default)
IMGUI_API void StyleColorsLight(ImGuiStyle* dst = NULL); // Best used with borders and a custom, thicker font IMGUI_API void StyleColorsLight(ImGuiStyle* dst = NULL); // best used with borders and a custom, thicker font
// Window // Windows
IMGUI_API bool Begin(const char* name, bool* p_open = NULL, ImGuiWindowFlags flags = 0); // push window to the stack and start appending to it. see .cpp for details. return false when window is collapsed (so you can early out in your code) but you always need to call End() regardless. 'bool* p_open' creates a widget on the upper-right to close the window (which sets your bool to false). // (Begin = push window to the stack and start appending to it. End = pop window from the stack. You may append multiple times to the same window during the same frame)
IMGUI_API void End(); // always call even if Begin() return false (which indicates a collapsed window)! finish appending to current window, pop it off the window stack. // Begin()/BeginChild() return false to indicate the window being collapsed or fully clipped, so you may early out and omit submitting anything to the window.
IMGUI_API bool BeginChild(const char* str_id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags flags = 0); // begin a scrolling region. size==0.0f: use remaining window size, size<0.0f: use remaining window size minus abs(size). size>0.0f: fixed size. each axis can use a different mode, e.g. ImVec2(0,400). // However you need to always call a matching End()/EndChild() for a Begin()/BeginChild() call, regardless of its return value (this is due to legacy reason and is inconsistent with BeginMenu/EndMenu, BeginPopup/EndPopup and other functions where the End call should only be called if the corresponding Begin function returned true.)
IMGUI_API bool BeginChild(ImGuiID id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags flags = 0); // " // Passing 'bool* p_open != NULL' shows a close widget in the upper-right corner of the window, which when clicking will set the boolean to false.
IMGUI_API void EndChild(); // always call even if BeginChild() return false (which indicates a collapsed or clipping child window) // Use child windows to introduce independent scrolling/clipping regions within a host window. Child windows can embed their own child.
IMGUI_API bool Begin(const char* name, bool* p_open = NULL, ImGuiWindowFlags flags = 0);
IMGUI_API void End();
IMGUI_API bool BeginChild(const char* str_id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags flags = 0); // Begin a scrolling region. size==0.0f: use remaining window size, size<0.0f: use remaining window size minus abs(size). size>0.0f: fixed size. each axis can use a different mode, e.g. ImVec2(0,400).
IMGUI_API bool BeginChild(ImGuiID id, const ImVec2& size = ImVec2(0,0), bool border = false, ImGuiWindowFlags flags = 0);
IMGUI_API void EndChild();
// Windows Utilities
IMGUI_API bool IsWindowAppearing();
IMGUI_API bool IsWindowCollapsed();
IMGUI_API bool IsWindowFocused(ImGuiFocusedFlags flags=0); // is current window focused? or its root/child, depending on flags. see flags for options.
IMGUI_API bool IsWindowHovered(ImGuiHoveredFlags flags=0); // is current window hovered (and typically: not blocked by a popup/modal)? see flags for options. NB: If you are trying to check whether your mouse should be dispatched to imgui or to your app, you should use the 'io.WantCaptureMouse' boolean for that! Please read the FAQ!
IMGUI_API ImDrawList* GetWindowDrawList(); // get draw list associated to the window, to append your own drawing primitives
IMGUI_API ImVec2 GetWindowPos(); // get current window position in screen space (useful if you want to do your own drawing via the DrawList API)
IMGUI_API ImVec2 GetWindowSize(); // get current window size
IMGUI_API float GetWindowWidth(); // get current window width (shortcut for GetWindowSize().x)
IMGUI_API float GetWindowHeight(); // get current window height (shortcut for GetWindowSize().y)
IMGUI_API ImVec2 GetContentRegionMax(); // current content boundaries (typically window boundaries including scrolling, or current column boundaries), in windows coordinates IMGUI_API ImVec2 GetContentRegionMax(); // current content boundaries (typically window boundaries including scrolling, or current column boundaries), in windows coordinates
IMGUI_API ImVec2 GetContentRegionAvail(); // == GetContentRegionMax() - GetCursorPos() IMGUI_API ImVec2 GetContentRegionAvail(); // == GetContentRegionMax() - GetCursorPos()
IMGUI_API float GetContentRegionAvailWidth(); // IMGUI_API float GetContentRegionAvailWidth(); //
IMGUI_API ImVec2 GetWindowContentRegionMin(); // content boundaries min (roughly (0,0)-Scroll), in window coordinates IMGUI_API ImVec2 GetWindowContentRegionMin(); // content boundaries min (roughly (0,0)-Scroll), in window coordinates
IMGUI_API ImVec2 GetWindowContentRegionMax(); // content boundaries max (roughly (0,0)+Size-Scroll) where Size can be override with SetNextWindowContentSize(), in window coordinates IMGUI_API ImVec2 GetWindowContentRegionMax(); // content boundaries max (roughly (0,0)+Size-Scroll) where Size can be override with SetNextWindowContentSize(), in window coordinates
IMGUI_API float GetWindowContentRegionWidth(); // IMGUI_API float GetWindowContentRegionWidth(); //
IMGUI_API ImDrawList* GetWindowDrawList(); // get rendering command-list if you want to append your own draw primitives
IMGUI_API ImVec2 GetWindowPos(); // get current window position in screen space (useful if you want to do your own drawing via the DrawList api)
IMGUI_API ImVec2 GetWindowSize(); // get current window size
IMGUI_API float GetWindowWidth();
IMGUI_API float GetWindowHeight();
IMGUI_API bool IsWindowCollapsed();
IMGUI_API bool IsWindowAppearing();
IMGUI_API void SetWindowFontScale(float scale); // per-window font scale. Adjust IO.FontGlobalScale if you want to scale all windows
IMGUI_API void SetNextWindowPos(const ImVec2& pos, ImGuiCond cond = 0, const ImVec2& pivot = ImVec2(0,0)); // set next window position. call before Begin(). use pivot=(0.5f,0.5f) to center on given point, etc. IMGUI_API void SetNextWindowPos(const ImVec2& pos, ImGuiCond cond = 0, const ImVec2& pivot = ImVec2(0,0)); // set next window position. call before Begin(). use pivot=(0.5f,0.5f) to center on given point, etc.
IMGUI_API void SetNextWindowSize(const ImVec2& size, ImGuiCond cond = 0); // set next window size. set axis to 0.0f to force an auto-fit on this axis. call before Begin() IMGUI_API void SetNextWindowSize(const ImVec2& size, ImGuiCond cond = 0); // set next window size. set axis to 0.0f to force an auto-fit on this axis. call before Begin()
@ -202,11 +209,13 @@ namespace ImGui
IMGUI_API void SetWindowSize(const ImVec2& size, ImGuiCond cond = 0); // (not recommended) set current window size - call within Begin()/End(). set to ImVec2(0,0) to force an auto-fit. prefer using SetNextWindowSize(), as this may incur tearing and minor side-effects. IMGUI_API void SetWindowSize(const ImVec2& size, ImGuiCond cond = 0); // (not recommended) set current window size - call within Begin()/End(). set to ImVec2(0,0) to force an auto-fit. prefer using SetNextWindowSize(), as this may incur tearing and minor side-effects.
IMGUI_API void SetWindowCollapsed(bool collapsed, ImGuiCond cond = 0); // (not recommended) set current window collapsed state. prefer using SetNextWindowCollapsed(). IMGUI_API void SetWindowCollapsed(bool collapsed, ImGuiCond cond = 0); // (not recommended) set current window collapsed state. prefer using SetNextWindowCollapsed().
IMGUI_API void SetWindowFocus(); // (not recommended) set current window to be focused / front-most. prefer using SetNextWindowFocus(). IMGUI_API void SetWindowFocus(); // (not recommended) set current window to be focused / front-most. prefer using SetNextWindowFocus().
IMGUI_API void SetWindowFontScale(float scale); // set font scale. Adjust IO.FontGlobalScale if you want to scale all windows
IMGUI_API void SetWindowPos(const char* name, const ImVec2& pos, ImGuiCond cond = 0); // set named window position. IMGUI_API void SetWindowPos(const char* name, const ImVec2& pos, ImGuiCond cond = 0); // set named window position.
IMGUI_API void SetWindowSize(const char* name, const ImVec2& size, ImGuiCond cond = 0); // set named window size. set axis to 0.0f to force an auto-fit on this axis. IMGUI_API void SetWindowSize(const char* name, const ImVec2& size, ImGuiCond cond = 0); // set named window size. set axis to 0.0f to force an auto-fit on this axis.
IMGUI_API void SetWindowCollapsed(const char* name, bool collapsed, ImGuiCond cond = 0); // set named window collapsed state IMGUI_API void SetWindowCollapsed(const char* name, bool collapsed, ImGuiCond cond = 0); // set named window collapsed state
IMGUI_API void SetWindowFocus(const char* name); // set named window to be focused / front-most. use NULL to remove focus. IMGUI_API void SetWindowFocus(const char* name); // set named window to be focused / front-most. use NULL to remove focus.
// Windows Scrolling
IMGUI_API float GetScrollX(); // get scrolling amount [0..GetScrollMaxX()] IMGUI_API float GetScrollX(); // get scrolling amount [0..GetScrollMaxX()]
IMGUI_API float GetScrollY(); // get scrolling amount [0..GetScrollMaxY()] IMGUI_API float GetScrollY(); // get scrolling amount [0..GetScrollMaxY()]
IMGUI_API float GetScrollMaxX(); // get maximum scrolling amount ~~ ContentSize.X - WindowSize.X IMGUI_API float GetScrollMaxX(); // get maximum scrolling amount ~~ ContentSize.X - WindowSize.X
@ -215,8 +224,6 @@ namespace ImGui
IMGUI_API void SetScrollY(float scroll_y); // set scrolling amount [0..GetScrollMaxY()] IMGUI_API void SetScrollY(float scroll_y); // set scrolling amount [0..GetScrollMaxY()]
IMGUI_API void SetScrollHere(float center_y_ratio = 0.5f); // adjust scrolling amount to make current cursor position visible. center_y_ratio=0.0: top, 0.5: center, 1.0: bottom. When using to make a "default/current item" visible, consider using SetItemDefaultFocus() instead. IMGUI_API void SetScrollHere(float center_y_ratio = 0.5f); // adjust scrolling amount to make current cursor position visible. center_y_ratio=0.0: top, 0.5: center, 1.0: bottom. When using to make a "default/current item" visible, consider using SetItemDefaultFocus() instead.
IMGUI_API void SetScrollFromPosY(float pos_y, float center_y_ratio = 0.5f); // adjust scrolling amount to make given position valid. use GetCursorPos() or GetCursorStartPos()+offset to get valid positions. IMGUI_API void SetScrollFromPosY(float pos_y, float center_y_ratio = 0.5f); // adjust scrolling amount to make given position valid. use GetCursorPos() or GetCursorStartPos()+offset to get valid positions.
IMGUI_API void SetStateStorage(ImGuiStorage* tree); // replace tree state storage with our own (if you want to manipulate it yourself, typically clear subsection of it)
IMGUI_API ImGuiStorage* GetStateStorage();
// Parameters stacks (shared) // Parameters stacks (shared)
IMGUI_API void PushFont(ImFont* font); // use NULL as a shortcut to push default font IMGUI_API void PushFont(ImFont* font); // use NULL as a shortcut to push default font
@ -227,7 +234,7 @@ namespace ImGui
IMGUI_API void PushStyleVar(ImGuiStyleVar idx, float val); IMGUI_API void PushStyleVar(ImGuiStyleVar idx, float val);
IMGUI_API void PushStyleVar(ImGuiStyleVar idx, const ImVec2& val); IMGUI_API void PushStyleVar(ImGuiStyleVar idx, const ImVec2& val);
IMGUI_API void PopStyleVar(int count = 1); IMGUI_API void PopStyleVar(int count = 1);
IMGUI_API const ImVec4& GetStyleColorVec4(ImGuiCol idx); // retrieve style color as stored in ImGuiStyle structure. use to feed back into PushStyleColor(), otherwhise use GetColorU32() to get style color + style alpha. IMGUI_API const ImVec4& GetStyleColorVec4(ImGuiCol idx); // retrieve style color as stored in ImGuiStyle structure. use to feed back into PushStyleColor(), otherwhise use GetColorU32() to get style color with style alpha baked in.
IMGUI_API ImFont* GetFont(); // get current font IMGUI_API ImFont* GetFont(); // get current font
IMGUI_API float GetFontSize(); // get current font size (= height in pixels) of current font with current scale applied IMGUI_API float GetFontSize(); // get current font size (= height in pixels) of current font with current scale applied
IMGUI_API ImVec2 GetFontTexUvWhitePixel(); // get UV coordinate for a while pixel, useful to draw custom shapes via the ImDrawList API IMGUI_API ImVec2 GetFontTexUvWhitePixel(); // get UV coordinate for a while pixel, useful to draw custom shapes via the ImDrawList API
@ -265,26 +272,18 @@ namespace ImGui
IMGUI_API ImVec2 GetCursorStartPos(); // initial cursor position IMGUI_API ImVec2 GetCursorStartPos(); // initial cursor position
IMGUI_API ImVec2 GetCursorScreenPos(); // cursor position in screen coordinates [0..io.DisplaySize] (or [io.ViewportPos..io.ViewportPos + io.ViewportSize] when using multiple viewport). useful to work with ImDrawList API. IMGUI_API ImVec2 GetCursorScreenPos(); // cursor position in screen coordinates [0..io.DisplaySize] (or [io.ViewportPos..io.ViewportPos + io.ViewportSize] when using multiple viewport). useful to work with ImDrawList API.
IMGUI_API void SetCursorScreenPos(const ImVec2& pos); // cursor position in screen coordinates [0..io.DisplaySize] (or [io.ViewportPos..io.ViewportPos + io.ViewportSize] when using multiple viewport) IMGUI_API void SetCursorScreenPos(const ImVec2& pos); // cursor position in screen coordinates [0..io.DisplaySize] (or [io.ViewportPos..io.ViewportPos + io.ViewportSize] when using multiple viewport)
IMGUI_API void AlignTextToFramePadding(); // vertically align/lower upcoming text to FramePadding.y so that it will aligns to upcoming widgets (call if you have text on a line before regular widgets) IMGUI_API void AlignTextToFramePadding(); // vertically align upcoming text baseline to FramePadding.y so that it will align properly to regularly framed items (call if you have text on a line before a framed item)
IMGUI_API float GetTextLineHeight(); // ~ FontSize IMGUI_API float GetTextLineHeight(); // ~ FontSize
IMGUI_API float GetTextLineHeightWithSpacing(); // ~ FontSize + style.ItemSpacing.y (distance in pixels between 2 consecutive lines of text) IMGUI_API float GetTextLineHeightWithSpacing(); // ~ FontSize + style.ItemSpacing.y (distance in pixels between 2 consecutive lines of text)
IMGUI_API float GetFrameHeight(); // ~ FontSize + style.FramePadding.y * 2 IMGUI_API float GetFrameHeight(); // ~ FontSize + style.FramePadding.y * 2
IMGUI_API float GetFrameHeightWithSpacing(); // ~ FontSize + style.FramePadding.y * 2 + style.ItemSpacing.y (distance in pixels between 2 consecutive lines of framed widgets) IMGUI_API float GetFrameHeightWithSpacing(); // ~ FontSize + style.FramePadding.y * 2 + style.ItemSpacing.y (distance in pixels between 2 consecutive lines of framed widgets)
// Columns // ID stack/scopes
// You can also use SameLine(pos_x) for simplified columns. The columns API is still work-in-progress and rather lacking. // Read the FAQ for more details about how ID are handled in dear imgui. If you are creating widgets in a loop you most
IMGUI_API void Columns(int count = 1, const char* id = NULL, bool border = true); // likely want to push a unique identifier (e.g. object pointer, loop index) to uniquely differentiate them.
IMGUI_API void NextColumn(); // next column, defaults to current row or next row if the current row is finished // You can also use the "##foobar" syntax within widget label to distinguish them from each others.
IMGUI_API int GetColumnIndex(); // get current column index // In this header file we use the "label"/"name" terminology to denote a string that will be displayed and used as an ID,
IMGUI_API float GetColumnWidth(int column_index = -1); // get column width (in pixels). pass -1 to use current column // whereas "str_id" denote a string that is only used as an ID and not aimed to be displayed.
IMGUI_API void SetColumnWidth(int column_index, float width); // set column width (in pixels). pass -1 to use current column
IMGUI_API float GetColumnOffset(int column_index = -1); // get position of column line (in pixels, from the left side of the contents region). pass -1 to use current column, otherwise 0..GetColumnsCount() inclusive. column 0 is typically 0.0f
IMGUI_API void SetColumnOffset(int column_index, float offset_x); // set position of column line (in pixels, from the left side of the contents region). pass -1 to use current column
IMGUI_API int GetColumnsCount();
// ID scopes
// If you are creating widgets in a loop you most likely want to push a unique identifier (e.g. object pointer, loop index) so ImGui can differentiate them.
// You can also use the "##foobar" syntax within widget label to distinguish them from each others. Read "A primer on the use of labels/IDs" in the FAQ for more details.
IMGUI_API void PushID(const char* str_id); // push identifier into the ID stack. IDs are hash of the entire stack! IMGUI_API void PushID(const char* str_id); // push identifier into the ID stack. IDs are hash of the entire stack!
IMGUI_API void PushID(const char* str_id_begin, const char* str_id_end); IMGUI_API void PushID(const char* str_id_begin, const char* str_id_end);
IMGUI_API void PushID(const void* ptr_id); IMGUI_API void PushID(const void* ptr_id);
@ -308,7 +307,6 @@ namespace ImGui
IMGUI_API void LabelTextV(const char* label, const char* fmt, va_list args) IM_FMTLIST(2); IMGUI_API void LabelTextV(const char* label, const char* fmt, va_list args) IM_FMTLIST(2);
IMGUI_API void BulletText(const char* fmt, ...) IM_FMTARGS(1); // shortcut for Bullet()+Text() IMGUI_API void BulletText(const char* fmt, ...) IM_FMTARGS(1); // shortcut for Bullet()+Text()
IMGUI_API void BulletTextV(const char* fmt, va_list args) IM_FMTLIST(1); IMGUI_API void BulletTextV(const char* fmt, va_list args) IM_FMTLIST(1);
IMGUI_API void Bullet(); // draw a small circle and keep the cursor on the same line. advance cursor x position by GetTreeNodeToLabelSpacing(), same distance that TreeNode() uses
// Widgets: Main // Widgets: Main
IMGUI_API bool Button(const char* label, const ImVec2& size = ImVec2(0,0)); // button IMGUI_API bool Button(const char* label, const ImVec2& size = ImVec2(0,0)); // button
@ -326,6 +324,7 @@ namespace ImGui
IMGUI_API void PlotHistogram(const char* label, const float* values, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0,0), int stride = sizeof(float)); IMGUI_API void PlotHistogram(const char* label, const float* values, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0,0), int stride = sizeof(float));
IMGUI_API void PlotHistogram(const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0,0)); IMGUI_API void PlotHistogram(const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset = 0, const char* overlay_text = NULL, float scale_min = FLT_MAX, float scale_max = FLT_MAX, ImVec2 graph_size = ImVec2(0,0));
IMGUI_API void ProgressBar(float fraction, const ImVec2& size_arg = ImVec2(-1,0), const char* overlay = NULL); IMGUI_API void ProgressBar(float fraction, const ImVec2& size_arg = ImVec2(-1,0), const char* overlay = NULL);
IMGUI_API void Bullet(); // draw a small circle and keep the cursor on the same line. advance cursor x position by GetTreeNodeToLabelSpacing(), same distance that TreeNode() uses
// Widgets: Combo Box // Widgets: Combo Box
// The new BeginCombo()/EndCombo() api allows you to manage your contents and selection state however you want it. // The new BeginCombo()/EndCombo() api allows you to manage your contents and selection state however you want it.
@ -431,7 +430,7 @@ namespace ImGui
IMGUI_API bool BeginMenuBar(); // append to menu-bar of current window (requires ImGuiWindowFlags_MenuBar flag set on parent window). IMGUI_API bool BeginMenuBar(); // append to menu-bar of current window (requires ImGuiWindowFlags_MenuBar flag set on parent window).
IMGUI_API void EndMenuBar(); // only call EndMenuBar() if BeginMenuBar() returns true! IMGUI_API void EndMenuBar(); // only call EndMenuBar() if BeginMenuBar() returns true!
IMGUI_API bool BeginMenu(const char* label, bool enabled = true); // create a sub-menu entry. only call EndMenu() if this returns true! IMGUI_API bool BeginMenu(const char* label, bool enabled = true); // create a sub-menu entry. only call EndMenu() if this returns true!
IMGUI_API void EndMenu(); // only call EndBegin() if BeginMenu() returns true! IMGUI_API void EndMenu(); // only call EndMenu() if BeginMenu() returns true!
IMGUI_API bool MenuItem(const char* label, const char* shortcut = NULL, bool selected = false, bool enabled = true); // return true when activated. shortcuts are displayed for convenience but not processed by ImGui at the moment IMGUI_API bool MenuItem(const char* label, const char* shortcut = NULL, bool selected = false, bool enabled = true); // return true when activated. shortcuts are displayed for convenience but not processed by ImGui at the moment
IMGUI_API bool MenuItem(const char* label, const char* shortcut, bool* p_selected, bool enabled = true); // return true when activated + toggle (*p_selected) if p_selected != NULL IMGUI_API bool MenuItem(const char* label, const char* shortcut, bool* p_selected, bool enabled = true); // return true when activated + toggle (*p_selected) if p_selected != NULL
@ -447,6 +446,17 @@ namespace ImGui
IMGUI_API bool IsPopupOpen(const char* str_id); // return true if the popup is open IMGUI_API bool IsPopupOpen(const char* str_id); // return true if the popup is open
IMGUI_API void CloseCurrentPopup(); // close the popup we have begin-ed into. clicking on a MenuItem or Selectable automatically close the current popup. IMGUI_API void CloseCurrentPopup(); // close the popup we have begin-ed into. clicking on a MenuItem or Selectable automatically close the current popup.
// Columns
// You can also use SameLine(pos_x) for simplified columns. The columns API is still work-in-progress and rather lacking.
IMGUI_API void Columns(int count = 1, const char* id = NULL, bool border = true);
IMGUI_API void NextColumn(); // next column, defaults to current row or next row if the current row is finished
IMGUI_API int GetColumnIndex(); // get current column index
IMGUI_API float GetColumnWidth(int column_index = -1); // get column width (in pixels). pass -1 to use current column
IMGUI_API void SetColumnWidth(int column_index, float width); // set column width (in pixels). pass -1 to use current column
IMGUI_API float GetColumnOffset(int column_index = -1); // get position of column line (in pixels, from the left side of the contents region). pass -1 to use current column, otherwise 0..GetColumnsCount() inclusive. column 0 is typically 0.0f
IMGUI_API void SetColumnOffset(int column_index, float offset_x); // set position of column line (in pixels, from the left side of the contents region). pass -1 to use current column
IMGUI_API int GetColumnsCount();
// Logging/Capture: all text output from interface is captured to tty/file/clipboard. By default, tree nodes are automatically opened during logging. // Logging/Capture: all text output from interface is captured to tty/file/clipboard. By default, tree nodes are automatically opened during logging.
IMGUI_API void LogToTTY(int max_depth = -1); // start logging to tty IMGUI_API void LogToTTY(int max_depth = -1); // start logging to tty
IMGUI_API void LogToFile(int max_depth = -1, const char* filename = NULL); // start logging to file IMGUI_API void LogToFile(int max_depth = -1, const char* filename = NULL); // start logging to file
@ -486,15 +496,15 @@ namespace ImGui
IMGUI_API ImVec2 GetItemRectMax(); // " IMGUI_API ImVec2 GetItemRectMax(); // "
IMGUI_API ImVec2 GetItemRectSize(); // get size of last item, in screen space IMGUI_API ImVec2 GetItemRectSize(); // get size of last item, in screen space
IMGUI_API void SetItemAllowOverlap(); // allow last item to be overlapped by a subsequent item. sometimes useful with invisible buttons, selectables, etc. to catch unused area. IMGUI_API void SetItemAllowOverlap(); // allow last item to be overlapped by a subsequent item. sometimes useful with invisible buttons, selectables, etc. to catch unused area.
IMGUI_API bool IsWindowFocused(ImGuiFocusedFlags flags = 0); // is current window focused? or its root/child, depending on flags. see flags for options.
IMGUI_API bool IsWindowHovered(ImGuiHoveredFlags flags = 0); // is current window hovered (and typically: not blocked by a popup/modal)? see flags for options. NB: If you are trying to check whether your mouse should be dispatched to imgui or to your app, you should use the 'io.WantCaptureMouse' boolean for that! Please read the FAQ!
IMGUI_API bool IsRectVisible(const ImVec2& size); // test if rectangle (of given size, starting from cursor position) is visible / not clipped. IMGUI_API bool IsRectVisible(const ImVec2& size); // test if rectangle (of given size, starting from cursor position) is visible / not clipped.
IMGUI_API bool IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max); // test if rectangle (in screen space) is visible / not clipped. to perform coarse clipping on user's side. IMGUI_API bool IsRectVisible(const ImVec2& rect_min, const ImVec2& rect_max); // test if rectangle (in screen space) is visible / not clipped. to perform coarse clipping on user's side.
IMGUI_API float GetTime(); IMGUI_API float GetTime();
IMGUI_API int GetFrameCount(); IMGUI_API int GetFrameCount();
IMGUI_API ImDrawList* GetOverlayDrawList(); // this draw list will be the last rendered one, it covers all viewports. useful to quickly draw overlays shapes/text IMGUI_API ImDrawList* GetOverlayDrawList(); // this draw list will be the last rendered one, it covers all viewports. useful to quickly draw overlays shapes/text
IMGUI_API ImDrawListSharedData* GetDrawListSharedData(); IMGUI_API ImDrawListSharedData* GetDrawListSharedData(); // you may use this when creating your own ImDrawList instances
IMGUI_API const char* GetStyleColorName(ImGuiCol idx); IMGUI_API const char* GetStyleColorName(ImGuiCol idx);
IMGUI_API void SetStateStorage(ImGuiStorage* storage); // replace current window storage with our own (if you want to manipulate it yourself, typically clear subsection of it)
IMGUI_API ImGuiStorage* GetStateStorage();
IMGUI_API ImVec2 CalcTextSize(const char* text, const char* text_end = NULL, bool hide_text_after_double_hash = false, float wrap_width = -1.0f); IMGUI_API ImVec2 CalcTextSize(const char* text, const char* text_end = NULL, bool hide_text_after_double_hash = false, float wrap_width = -1.0f);
IMGUI_API void CalcListClipping(int items_count, float items_height, int* out_items_display_start, int* out_items_display_end); // calculate coarse clipping for large list of evenly sized items. Prefer using the ImGuiListClipper higher-level helper if you can. IMGUI_API void CalcListClipping(int items_count, float items_height, int* out_items_display_start, int* out_items_display_end); // calculate coarse clipping for large list of evenly sized items. Prefer using the ImGuiListClipper higher-level helper if you can.
@ -521,7 +531,7 @@ namespace ImGui
IMGUI_API bool IsMouseHoveringRect(const ImVec2& r_min, const ImVec2& r_max, bool clip = true); // is mouse hovering given bounding rect (in screen space). clipped by current clipping settings. disregarding of consideration of focus/window ordering/blocked by a popup. IMGUI_API bool IsMouseHoveringRect(const ImVec2& r_min, const ImVec2& r_max, bool clip = true); // is mouse hovering given bounding rect (in screen space). clipped by current clipping settings. disregarding of consideration of focus/window ordering/blocked by a popup.
IMGUI_API bool IsMousePosValid(const ImVec2* mouse_pos = NULL); // IMGUI_API bool IsMousePosValid(const ImVec2* mouse_pos = NULL); //
IMGUI_API ImVec2 GetMousePos(); // shortcut to ImGui::GetIO().MousePos provided by user, to be consistent with other calls IMGUI_API ImVec2 GetMousePos(); // shortcut to ImGui::GetIO().MousePos provided by user, to be consistent with other calls
IMGUI_API ImVec2 GetMousePosOnOpeningCurrentPopup(); // retrieve backup of mouse positioning at the time of opening popup we have BeginPopup() into IMGUI_API ImVec2 GetMousePosOnOpeningCurrentPopup(); // retrieve backup of mouse position at the time of opening popup we have BeginPopup() into
IMGUI_API ImVec2 GetMouseDragDelta(int button = 0, float lock_threshold = -1.0f); // dragging amount since clicking. if lock_threshold < -1.0f uses io.MouseDraggingThreshold IMGUI_API ImVec2 GetMouseDragDelta(int button = 0, float lock_threshold = -1.0f); // dragging amount since clicking. if lock_threshold < -1.0f uses io.MouseDraggingThreshold
IMGUI_API void ResetMouseDragDelta(int button = 0); // IMGUI_API void ResetMouseDragDelta(int button = 0); //
IMGUI_API ImGuiMouseCursor GetMouseCursor(); // get desired cursor type, reset in ImGui::NewFrame(), this is updated during the frame. valid before Render(). If you use software rendering by setting io.MouseDrawCursor ImGui will render those for you IMGUI_API ImGuiMouseCursor GetMouseCursor(); // get desired cursor type, reset in ImGui::NewFrame(), this is updated during the frame. valid before Render(). If you use software rendering by setting io.MouseDrawCursor ImGui will render those for you
@ -832,7 +842,7 @@ enum ImGuiCol_
ImGuiCol_PlotHistogram, ImGuiCol_PlotHistogram,
ImGuiCol_PlotHistogramHovered, ImGuiCol_PlotHistogramHovered,
ImGuiCol_TextSelectedBg, ImGuiCol_TextSelectedBg,
ImGuiCol_ModalWindowDarkening, // darken entire screen when a modal window is active ImGuiCol_ModalWindowDarkening, // darken/colorize entire screen behind a modal window, when one is active
ImGuiCol_DragDropTarget, ImGuiCol_DragDropTarget,
ImGuiCol_NavHighlight, // gamepad/keyboard: current highlighted item ImGuiCol_NavHighlight, // gamepad/keyboard: current highlighted item
ImGuiCol_NavWindowingHighlight, // gamepad/keyboard: when holding NavMenu to focus/move/resize windows ImGuiCol_NavWindowingHighlight, // gamepad/keyboard: when holding NavMenu to focus/move/resize windows
@ -914,12 +924,13 @@ enum ImGuiColorEditFlags_
}; };
// Enumeration for GetMouseCursor() // Enumeration for GetMouseCursor()
// User code may request binding to display given cursor by calling SetMouseCursor(), which is why we have some cursors that are marked unused here
enum ImGuiMouseCursor_ enum ImGuiMouseCursor_
{ {
ImGuiMouseCursor_None = -1, ImGuiMouseCursor_None = -1,
ImGuiMouseCursor_Arrow = 0, ImGuiMouseCursor_Arrow = 0,
ImGuiMouseCursor_TextInput, // When hovering over InputText, etc. ImGuiMouseCursor_TextInput, // When hovering over InputText, etc.
ImGuiMouseCursor_ResizeAll, // Unused ImGuiMouseCursor_ResizeAll, // Unused by imgui functions
ImGuiMouseCursor_ResizeNS, // When hovering over an horizontal border ImGuiMouseCursor_ResizeNS, // When hovering over an horizontal border
ImGuiMouseCursor_ResizeEW, // When hovering over a vertical border or a column ImGuiMouseCursor_ResizeEW, // When hovering over a vertical border or a column
ImGuiMouseCursor_ResizeNESW, // When hovering over the bottom-left corner of a window ImGuiMouseCursor_ResizeNESW, // When hovering over the bottom-left corner of a window
@ -938,8 +949,8 @@ enum ImGuiCond_
{ {
ImGuiCond_Always = 1 << 0, // Set the variable ImGuiCond_Always = 1 << 0, // Set the variable
ImGuiCond_Once = 1 << 1, // Set the variable once per runtime session (only the first call with succeed) ImGuiCond_Once = 1 << 1, // Set the variable once per runtime session (only the first call with succeed)
ImGuiCond_FirstUseEver = 1 << 2, // Set the variable if the window has no saved data (if doesn't exist in the .ini file) ImGuiCond_FirstUseEver = 1 << 2, // Set the variable if the object/window has no persistently saved data (no entry in .ini file)
ImGuiCond_Appearing = 1 << 3 // Set the variable if the window is appearing after being hidden/inactive (or the first time) ImGuiCond_Appearing = 1 << 3 // Set the variable if the object/window is appearing after being hidden/inactive (or the first time)
// Obsolete names (will be removed) // Obsolete names (will be removed)
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
@ -981,7 +992,7 @@ struct ImGuiRendererInterface
}; };
// You may modify the ImGui::GetStyle() main instance during initialization and before NewFrame(). // You may modify the ImGui::GetStyle() main instance during initialization and before NewFrame().
// During the frame, prefer using ImGui::PushStyleVar(ImGuiStyleVar_XXXX)/PopStyleVar() to alter the main style values, and ImGui::PushStyleColor(ImGuiCol_XXX)/PopStyleColor() for colors. // During the frame, use ImGui::PushStyleVar(ImGuiStyleVar_XXXX)/PopStyleVar() to alter the main style values, and ImGui::PushStyleColor(ImGuiCol_XXX)/PopStyleColor() for colors.
struct ImGuiStyle struct ImGuiStyle
{ {
float Alpha; // Global alpha applies to everything in ImGui. float Alpha; // Global alpha applies to everything in ImGui.
@ -1175,7 +1186,7 @@ namespace ImGui
// Helpers // Helpers
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// Lightweight std::vector<> like class to avoid dragging dependencies (also: Windows implementation of STL with debug enabled is absurdly slow, so let's bypass it so our code runs fast in debug). // Helper: Lightweight std::vector<> like class to avoid dragging dependencies (also: Windows implementation of STL with debug enabled is absurdly slow, so let's bypass it so our code runs fast in debug).
// *Important* Our implementation does NOT call C++ constructors/destructors. This is intentional, we do not require it but you have to be mindful of that. Do not use this class as a straight std::vector replacement in your code! // *Important* Our implementation does NOT call C++ constructors/destructors. This is intentional, we do not require it but you have to be mindful of that. Do not use this class as a straight std::vector replacement in your code!
template<typename T> template<typename T>
class ImVector class ImVector
@ -1245,7 +1256,7 @@ inline void operator delete(void*, ImNewDummy, void*) {} // This is only requ
#define IM_NEW(_TYPE) new(ImNewDummy(), ImGui::MemAlloc(sizeof(_TYPE))) _TYPE #define IM_NEW(_TYPE) new(ImNewDummy(), ImGui::MemAlloc(sizeof(_TYPE))) _TYPE
template<typename T> void IM_DELETE(T*& p) { if (p) { p->~T(); ImGui::MemFree(p); p = NULL; } } template<typename T> void IM_DELETE(T*& p) { if (p) { p->~T(); ImGui::MemFree(p); p = NULL; } }
// Helper: execute a block of code at maximum once a frame. Convenient if you want to quickly create an UI within deep-nested code that runs multiple times every frame. // Helper: Execute a block of code at maximum once a frame. Convenient if you want to quickly create an UI within deep-nested code that runs multiple times every frame.
// Usage: static ImGuiOnceUponAFrame oaf; if (oaf) ImGui::Text("This will be called only once per frame"); // Usage: static ImGuiOnceUponAFrame oaf; if (oaf) ImGui::Text("This will be called only once per frame");
struct ImGuiOnceUponAFrame struct ImGuiOnceUponAFrame
{ {
@ -1254,7 +1265,7 @@ struct ImGuiOnceUponAFrame
operator bool() const { int current_frame = ImGui::GetFrameCount(); if (RefFrame == current_frame) return false; RefFrame = current_frame; return true; } operator bool() const { int current_frame = ImGui::GetFrameCount(); if (RefFrame == current_frame) return false; RefFrame = current_frame; return true; }
}; };
// Helper macro for ImGuiOnceUponAFrame. Attention: The macro expands into 2 statement so make sure you don't use it within e.g. an if() statement without curly braces. // Helper: Macro for ImGuiOnceUponAFrame. Attention: The macro expands into 2 statement so make sure you don't use it within e.g. an if() statement without curly braces.
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS // Will obsolete #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS // Will obsolete
#define IMGUI_ONCE_UPON_A_FRAME static ImGuiOnceUponAFrame imgui_oaf; if (imgui_oaf) #define IMGUI_ONCE_UPON_A_FRAME static ImGuiOnceUponAFrame imgui_oaf; if (imgui_oaf)
#endif #endif
@ -1310,8 +1321,8 @@ struct ImGuiTextBuffer
// Helper: Simple Key->value storage // Helper: Simple Key->value storage
// Typically you don't have to worry about this since a storage is held within each Window. // Typically you don't have to worry about this since a storage is held within each Window.
// We use it to e.g. store collapse state for a tree (Int 0/1), store color edit options. // We use it to e.g. store collapse state for a tree (Int 0/1)
// This is optimized for efficient reading (dichotomy into a contiguous buffer), rare writing (typically tied to user interactions) // This is optimized for efficient lookup (dichotomy into a contiguous buffer) and rare insertion (typically tied to user interactions aka max once a frame)
// You can use it as custom user storage for temporary values. Declare your own storage if, for example: // You can use it as custom user storage for temporary values. Declare your own storage if, for example:
// - You want to manipulate the open/close state of a particular sub-tree in your interface (tree node uses Int 0/1 to store their state). // - You want to manipulate the open/close state of a particular sub-tree in your interface (tree node uses Int 0/1 to store their state).
// - You want to store custom debug data easily without adding or editing structures in your code (probably not efficient, but convenient) // - You want to store custom debug data easily without adding or editing structures in your code (probably not efficient, but convenient)
@ -1436,7 +1447,7 @@ struct ImGuiPayload
#define IM_COL32_BLACK IM_COL32(0,0,0,255) // Opaque black #define IM_COL32_BLACK IM_COL32(0,0,0,255) // Opaque black
#define IM_COL32_BLACK_TRANS IM_COL32(0,0,0,0) // Transparent black = 0x00000000 #define IM_COL32_BLACK_TRANS IM_COL32(0,0,0,0) // Transparent black = 0x00000000
// ImColor() helper to implicity converts colors to either ImU32 (packed 4x1 byte) or ImVec4 (4x1 float) // Helper: ImColor() implicity converts colors to either ImU32 (packed 4x1 byte) or ImVec4 (4x1 float)
// Prefer using IM_COL32() macros if you want a guaranteed compile-time ImU32 for usage with ImDrawList API. // Prefer using IM_COL32() macros if you want a guaranteed compile-time ImU32 for usage with ImDrawList API.
// **Avoid storing ImColor! Store either u32 of ImVec4. This is not a full-featured color class. MAY OBSOLETE. // **Avoid storing ImColor! Store either u32 of ImVec4. This is not a full-featured color class. MAY OBSOLETE.
// **None of the ImGui API are using ImColor directly but you can use it as a convenience to pass colors in either ImU32 or ImVec4 formats. Explicitly cast to ImU32 or ImVec4 if needed. // **None of the ImGui API are using ImColor directly but you can use it as a convenience to pass colors in either ImU32 or ImVec4 formats. Explicitly cast to ImU32 or ImVec4 if needed.
@ -1570,9 +1581,9 @@ struct ImDrawList
ImVector<ImDrawCmd> CmdBuffer; // Draw commands. Typically 1 command = 1 GPU draw call, unless the command is a callback. ImVector<ImDrawCmd> CmdBuffer; // Draw commands. Typically 1 command = 1 GPU draw call, unless the command is a callback.
ImVector<ImDrawIdx> IdxBuffer; // Index buffer. Each command consume ImDrawCmd::ElemCount of those ImVector<ImDrawIdx> IdxBuffer; // Index buffer. Each command consume ImDrawCmd::ElemCount of those
ImVector<ImDrawVert> VtxBuffer; // Vertex buffer. ImVector<ImDrawVert> VtxBuffer; // Vertex buffer.
ImDrawListFlags Flags; // Flags, you may poke into these to adjust anti-aliasing settings per-primitive.
// [Internal, used while building lists] // [Internal, used while building lists]
ImDrawListFlags Flags; // Flags, you may poke into these to adjust anti-aliasing settings per-primitive.
const ImDrawListSharedData* _Data; // Pointer to shared draw data (you can use ImGui::GetDrawListSharedData() to get the one from current ImGui context) const ImDrawListSharedData* _Data; // Pointer to shared draw data (you can use ImGui::GetDrawListSharedData() to get the one from current ImGui context)
const char* _OwnerName; // Pointer to owner window's name for debugging const char* _OwnerName; // Pointer to owner window's name for debugging
unsigned int _VtxCurrentIdx; // [Internal] == VtxBuffer.Size unsigned int _VtxCurrentIdx; // [Internal] == VtxBuffer.Size

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