222 lines
9.2 KiB
C
222 lines
9.2 KiB
C
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// dear imgui test engine
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// (helpers/utilities. do NOT use this as a general purpose library)
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#pragma once
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//-----------------------------------------------------------------------------
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// Includes
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//-----------------------------------------------------------------------------
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#include <math.h> // fabsf
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#include <stdint.h> // uint64_t
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#include <stdio.h> // FILE*
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#include "imgui.h" // ImGuiID, ImGuiKey
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class Str; // Str<> from thirdparty/Str/Str.h
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//-----------------------------------------------------------------------------
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// Function Pointers
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//-----------------------------------------------------------------------------
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#if IMGUI_TEST_ENGINE_ENABLE_STD_FUNCTION
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#include <functional>
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#define ImFuncPtr(FUNC_TYPE) std::function<FUNC_TYPE>
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#else
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#define ImFuncPtr(FUNC_TYPE) FUNC_TYPE*
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#endif
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//-----------------------------------------------------------------------------
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// Hashing Helpers
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//-----------------------------------------------------------------------------
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ImGuiID ImHashDecoratedPath(const char* str, const char* str_end = NULL, ImGuiID seed = 0);
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const char* ImFindNextDecoratedPartInPath(const char* str, const char* str_end = NULL);
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//-----------------------------------------------------------------------------
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// File/Directory Helpers
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//-----------------------------------------------------------------------------
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bool ImFileExist(const char* filename);
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bool ImFileDelete(const char* filename);
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bool ImFileCreateDirectoryChain(const char* path, const char* path_end = NULL);
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bool ImFileFindInParents(const char* sub_path, int max_parent_count, Str* output);
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bool ImFileLoadSourceBlurb(const char* filename, int line_no_start, int line_no_end, ImGuiTextBuffer* out_buf);
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//-----------------------------------------------------------------------------
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// Path Helpers
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//-----------------------------------------------------------------------------
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// Those are strictly string manipulation functions
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const char* ImPathFindFilename(const char* path, const char* path_end = NULL); // Return value always between path and path_end
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const char* ImPathFindExtension(const char* path, const char* path_end = NULL); // Return value always between path and path_end
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void ImPathFixSeparatorsForCurrentOS(char* buf);
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//-----------------------------------------------------------------------------
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// String Helpers
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//-----------------------------------------------------------------------------
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void ImStrReplace(Str* s, const char* find, const char* repl);
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const char* ImStrchrRangeWithEscaping(const char* str, const char* str_end, char find_c);
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void ImStrXmlEscape(Str* s);
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int ImStrBase64Encode(const unsigned char* src, char* dst, int length);
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//-----------------------------------------------------------------------------
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// Parsing Helpers
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//-----------------------------------------------------------------------------
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void ImParseExtractArgcArgvFromCommandLine(int* out_argc, char const*** out_argv, const char* cmd_line);
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bool ImParseFindIniSection(const char* ini_config, const char* header, ImVector<char>* result);
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//-----------------------------------------------------------------------------
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// Time Helpers
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//-----------------------------------------------------------------------------
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uint64_t ImTimeGetInMicroseconds();
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void ImTimestampToISO8601(uint64_t timestamp, Str* out_date);
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//-----------------------------------------------------------------------------
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// Threading Helpers
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//-----------------------------------------------------------------------------
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void ImThreadSleepInMilliseconds(int ms);
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void ImThreadSetCurrentThreadDescription(const char* description);
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//-----------------------------------------------------------------------------
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// Build Info helpers
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//-----------------------------------------------------------------------------
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// All the pointers are expect to be literals/persistent
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struct ImBuildInfo
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{
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const char* Type = "";
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const char* Cpu = "";
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const char* OS = "";
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const char* Compiler = "";
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char Date[32]; // "YYYY-MM-DD"
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const char* Time = "";
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};
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const ImBuildInfo* ImBuildGetCompilationInfo();
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bool ImBuildFindGitBranchName(const char* git_repo_path, Str* branch_name);
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//-----------------------------------------------------------------------------
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// Operating System Helpers
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//-----------------------------------------------------------------------------
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enum ImOsConsoleStream
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{
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ImOsConsoleStream_StandardOutput,
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ImOsConsoleStream_StandardError,
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};
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enum ImOsConsoleTextColor
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{
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ImOsConsoleTextColor_Black,
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ImOsConsoleTextColor_White,
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ImOsConsoleTextColor_BrightWhite,
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ImOsConsoleTextColor_BrightRed,
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ImOsConsoleTextColor_BrightGreen,
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ImOsConsoleTextColor_BrightBlue,
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ImOsConsoleTextColor_BrightYellow,
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};
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bool ImOsCreateProcess(const char* cmd_line);
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FILE* ImOsPOpen(const char* cmd_line, const char* mode);
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void ImOsPClose(FILE* fp);
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void ImOsOpenInShell(const char* path);
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bool ImOsIsDebuggerPresent();
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void ImOsOutputDebugString(const char* message);
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void ImOsConsoleSetTextColor(ImOsConsoleStream stream, ImOsConsoleTextColor color);
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//-----------------------------------------------------------------------------
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// Miscellaneous functions
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//-----------------------------------------------------------------------------
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// Tables functions
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struct ImGuiTable;
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ImGuiID TableGetHeaderID(ImGuiTable* table, const char* column, int instance_no = 0);
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ImGuiID TableGetHeaderID(ImGuiTable* table, int column_n, int instance_no = 0);
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void TableDiscardInstanceAndSettings(ImGuiID table_id);
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// DrawData functions
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void DrawDataVerifyMatchingBufferCount(ImDrawData* draw_data);
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//-----------------------------------------------------------------------------
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// Helper: maintain/calculate moving average
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//-----------------------------------------------------------------------------
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template<typename TYPE>
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struct ImMovingAverage
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{
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// Internal Fields
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ImVector<TYPE> Samples;
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TYPE Accum;
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int Idx;
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int FillAmount;
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// Functions
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ImMovingAverage() { Accum = (TYPE)0; Idx = FillAmount = 0; }
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void Init(int count) { Samples.resize(count); memset(Samples.Data, 0, (size_t)Samples.Size * sizeof(TYPE)); Accum = (TYPE)0; Idx = FillAmount = 0; }
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void AddSample(TYPE v) { Accum += v - Samples[Idx]; Samples[Idx] = v; if (++Idx == Samples.Size) Idx = 0; if (FillAmount < Samples.Size) FillAmount++; }
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TYPE GetAverage() const { return Accum / (TYPE)FillAmount; }
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int GetSampleCount() const { return Samples.Size; }
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bool IsFull() const { return FillAmount == Samples.Size; }
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};
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//-----------------------------------------------------------------------------
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// Helper: Simple/dumb CSV parser
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//-----------------------------------------------------------------------------
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struct ImGuiCsvParser
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{
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// Public fields
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int Columns = 0; // Number of columns in CSV file.
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int Rows = 0; // Number of rows in CSV file.
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// Internal fields
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char* _Data = NULL; // CSV file data.
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ImVector<char*> _Index; // CSV table: _Index[row * _Columns + col].
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// Functions
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ImGuiCsvParser(int columns = -1) { Columns = columns; }
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~ImGuiCsvParser() { Clear(); }
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bool Load(const char* file_name); // Open and parse a CSV file.
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void Clear(); // Free allocated buffers.
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const char* GetCell(int row, int col) { IM_ASSERT(0 <= row && row < Rows && 0 <= col && col < Columns); return _Index[row * Columns + col]; }
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};
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//-----------------------------------------------------------------------------
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// Misc Dear ImGui extensions
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//-----------------------------------------------------------------------------
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#if IMGUI_VERSION_NUM < 18924
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struct ImGuiTabBar;
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struct ImGuiTabItem;
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#endif
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namespace ImGui
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{
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IMGUI_API void ItemErrorFrame(ImU32 col);
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#if IMGUI_VERSION_NUM < 18927
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ImGuiID TableGetInstanceID(ImGuiTable* table, int instance_no = 0);
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#endif
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// Str support for InputText()
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IMGUI_API bool InputText(const char* label, Str* str, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
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IMGUI_API bool InputTextWithHint(const char* label, const char* hint, Str* str, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
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IMGUI_API bool InputTextMultiline(const char* label, Str* str, const ImVec2& size = ImVec2(0, 0), ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = NULL, void* user_data = NULL);
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// Splitter
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IMGUI_API bool Splitter(const char* id, float* value_1, float* value_2, int axis, int anchor = 0, float min_size_0 = -1.0f, float min_size_1 = -1.0f);
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// Misc
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IMGUI_API ImFont* FindFontByPrefix(const char* name);
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// Legacy version support
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#if IMGUI_VERSION_NUM < 18924
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IMGUI_API const char* TabBarGetTabName(ImGuiTabBar* tab_bar, ImGuiTabItem* tab);
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#endif
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}
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