commit dba8a1e6722814d294f2ff4b29faec2054866770 Author: Tomas Date: Sat Dec 13 18:19:55 2025 +0100 Initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..9491a2f --- /dev/null +++ b/.gitignore @@ -0,0 +1,363 @@ +## Ignore Visual Studio temporary files, build results, and +## files generated by popular Visual Studio add-ons. +## +## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore + +# User-specific files +*.rsuser +*.suo +*.user +*.userosscache +*.sln.docstates + +# User-specific files (MonoDevelop/Xamarin Studio) +*.userprefs + +# Mono auto generated files +mono_crash.* + +# Build results +[Dd]ebug/ +[Dd]ebugPublic/ +[Rr]elease/ +[Rr]eleases/ +x64/ +x86/ +[Ww][Ii][Nn]32/ +[Aa][Rr][Mm]/ +[Aa][Rr][Mm]64/ +bld/ +[Bb]in/ +[Oo]bj/ +[Oo]ut/ +[Ll]og/ +[Ll]ogs/ + +# Visual Studio 2015/2017 cache/options directory +.vs/ +# Uncomment if you have tasks that create the project's static files in wwwroot +#wwwroot/ + +# Visual Studio 2017 auto generated files +Generated\ Files/ + +# MSTest test Results +[Tt]est[Rr]esult*/ +[Bb]uild[Ll]og.* + +# NUnit +*.VisualState.xml +TestResult.xml +nunit-*.xml + +# Build Results of an ATL Project +[Dd]ebugPS/ +[Rr]eleasePS/ +dlldata.c + +# Benchmark Results +BenchmarkDotNet.Artifacts/ + +# .NET Core +project.lock.json +project.fragment.lock.json +artifacts/ + +# ASP.NET Scaffolding +ScaffoldingReadMe.txt + +# StyleCop +StyleCopReport.xml + +# Files built by Visual Studio +*_i.c +*_p.c +*_h.h +*.ilk +*.meta +*.obj +*.iobj +*.pch +*.pdb +*.ipdb +*.pgc +*.pgd +*.rsp +*.sbr +*.tlb +*.tli +*.tlh +*.tmp +*.tmp_proj +*_wpftmp.csproj +*.log +*.vspscc +*.vssscc +.builds +*.pidb +*.svclog +*.scc + +# Chutzpah Test files +_Chutzpah* + +# Visual C++ cache files +ipch/ +*.aps +*.ncb +*.opendb +*.opensdf +*.sdf +*.cachefile +*.VC.db +*.VC.VC.opendb + +# Visual Studio profiler +*.psess +*.vsp +*.vspx +*.sap + +# Visual Studio Trace Files +*.e2e + +# TFS 2012 Local Workspace +$tf/ + +# Guidance Automation Toolkit +*.gpState + +# ReSharper is a .NET coding add-in +_ReSharper*/ +*.[Rr]e[Ss]harper +*.DotSettings.user + +# TeamCity is a build add-in +_TeamCity* + +# DotCover is a Code Coverage Tool +*.dotCover + +# AxoCover is a Code Coverage Tool +.axoCover/* +!.axoCover/settings.json + +# Coverlet is a free, cross platform Code Coverage Tool +coverage*.json +coverage*.xml +coverage*.info + +# Visual Studio code coverage results +*.coverage +*.coveragexml + +# NCrunch +_NCrunch_* +.*crunch*.local.xml +nCrunchTemp_* + +# MightyMoose +*.mm.* +AutoTest.Net/ + +# Web workbench (sass) +.sass-cache/ + +# Installshield output folder +[Ee]xpress/ + +# DocProject is a documentation generator add-in +DocProject/buildhelp/ +DocProject/Help/*.HxT +DocProject/Help/*.HxC +DocProject/Help/*.hhc +DocProject/Help/*.hhk +DocProject/Help/*.hhp +DocProject/Help/Html2 +DocProject/Help/html + +# Click-Once directory +publish/ + +# Publish Web Output +*.[Pp]ublish.xml +*.azurePubxml +# Note: Comment the next line if you want to checkin your web deploy settings, +# but database connection strings (with potential passwords) will be unencrypted +*.pubxml +*.publishproj + +# Microsoft Azure Web App publish settings. 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This can include an invalid flag or combination of flags."; + case DISP_CHANGE_FAILED: return "The display driver failed the specified graphics mode."; + case DISP_CHANGE_NOTUPDATED: return "Unable to write settings to the registry."; + case DISP_CHANGE_RESTART: return "The computer must be restarted for the graphics mode to work."; + default: return "Unknown error"; + } + } + + DWORD _error; + const char* _message; +}; \ No newline at end of file diff --git a/Main.cpp b/Main.cpp new file mode 100644 index 0000000..430da7a --- /dev/null +++ b/Main.cpp @@ -0,0 +1,246 @@ +#include +#include +#include + +#include +#include +#include + + +#include "Display.h" + + +void print_help() +{ + std::cout + << "UpdateDisplay" << std::endl + << "=============" << std::endl + << std::endl + << "Usage: UpdateDisplay.exe " << std::endl + << std::endl + << "By default the program will refresh display settings." << std::endl + << std::endl + << "Possible options:" << std::endl + << std::endl + << "--rotate" << "\t - Rotates Display" << std::endl + << "\t0" << "\t - Landscape" << std::endl + << "\t90" << "\t - Prtrait" << std::endl + << "\t180" << "\t - Flippd Landscape" << std::endl + << "\t270" << "\t - Flippd Prtrait" << std::endl + << std::endl; +} + + +void main(int argc, char** argv) +{ + if (argc == 1) + return print_help(); + + Display dis; + + char** arg = argv; + arg++; + for (int i = 1; i < argc; i++, arg++) + { + std::string a(*arg); + + if (a == "--help") + print_help(); + + else if (a == "--rotate") + { + i++; + arg++; + if (i == argc) + throw std::exception("Argumment to --rotate not specified"); + a = std::string(*arg); + + if (a == "0") + dis.rotate(Display::Rotation::ROTATE_0); + else if (a == "90") + dis.rotate(Display::Rotation::ROTATE_90); + else if (a == "180") + dis.rotate(Display::Rotation::ROTATE_180); + else if (a == "270") + dis.rotate(Display::Rotation::ROTATE_270); + else + throw std::exception(("Unknown rotation: "+a).c_str()); + } + } + + dis.apply(); +} + + +// Taken from https://stackoverflow.com/a/74999569 +static void get_command_line_args(int* argc, char*** argv) +{ + // Get the command line arguments as wchar_t strings + wchar_t** wargv = CommandLineToArgvW(GetCommandLineW(), argc); + if (!wargv) { *argc = 0; *argv = NULL; return; } + + // Count the number of bytes necessary to store the UTF-8 versions of those strings + int n = 0; + for (int i = 0; i < *argc; i++) + n += WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1, NULL, 0, NULL, NULL) + 1; + + // Allocate the argv[] array + all the UTF-8 strings + *argv = (char**)malloc((*argc + 1) * sizeof(char*) + n); + if (!*argv) { *argc = 0; return; } + + // Convert all wargv[] --> argv[] + char* arg = (char*)&((*argv)[*argc + 1]); + for (int i = 0; i < *argc; i++) + { + (*argv)[i] = arg; + arg += WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1, arg, n, NULL, NULL) + 1; + } + (*argv)[*argc] = NULL; +} + + +// Source - https://stackoverflow.com/a +// Posted by Roger Sanders, modified by community. See post 'Timeline' for change history +// Retrieved 2025-12-13, License - CC BY-SA 3.0 +void BindCrtHandlesToStdHandles(bool bindStdIn, bool bindStdOut, bool bindStdErr) +{ + // Re-initialize the C runtime "FILE" handles with clean handles bound to "nul". We do this because it has been + // observed that the file number of our standard handle file objects can be assigned internally to a value of -2 + // when not bound to a valid target, which represents some kind of unknown internal invalid state. In this state our + // call to "_dup2" fails, as it specifically tests to ensure that the target file number isn't equal to this value + // before allowing the operation to continue. We can resolve this issue by first "re-opening" the target files to + // use the "nul" device, which will place them into a valid state, after which we can redirect them to our target + // using the "_dup2" function. + if (bindStdIn) + { + FILE* dummyFile; + freopen_s(&dummyFile, "nul", "r", stdin); + } + if (bindStdOut) + { + FILE* dummyFile; + freopen_s(&dummyFile, "nul", "w", stdout); + } + if (bindStdErr) + { + FILE* dummyFile; + freopen_s(&dummyFile, "nul", "w", stderr); + } + + // Redirect unbuffered stdin from the current standard input handle + if (bindStdIn) + { + HANDLE stdHandle = GetStdHandle(STD_INPUT_HANDLE); + if (stdHandle != INVALID_HANDLE_VALUE) + { + int fileDescriptor = _open_osfhandle((intptr_t)stdHandle, _O_TEXT); + if (fileDescriptor != -1) + { + FILE* file = _fdopen(fileDescriptor, "r"); + if (file != NULL) + { + int dup2Result = _dup2(_fileno(file), _fileno(stdin)); + if (dup2Result == 0) + { + setvbuf(stdin, NULL, _IONBF, 0); + } + } + } + } + } + + // Redirect unbuffered stdout to the current standard output handle + if (bindStdOut) + { + HANDLE stdHandle = GetStdHandle(STD_OUTPUT_HANDLE); + if (stdHandle != INVALID_HANDLE_VALUE) + { + int fileDescriptor = _open_osfhandle((intptr_t)stdHandle, _O_TEXT); + if (fileDescriptor != -1) + { + FILE* file = _fdopen(fileDescriptor, "w"); + if (file != NULL) + { + int dup2Result = _dup2(_fileno(file), _fileno(stdout)); + if (dup2Result == 0) + { + setvbuf(stdout, NULL, _IONBF, 0); + } + } + } + } + } + + // Redirect unbuffered stderr to the current standard error handle + if (bindStdErr) + { + HANDLE stdHandle = GetStdHandle(STD_ERROR_HANDLE); + if (stdHandle != INVALID_HANDLE_VALUE) + { + int fileDescriptor = _open_osfhandle((intptr_t)stdHandle, _O_TEXT); + if (fileDescriptor != -1) + { + FILE* file = _fdopen(fileDescriptor, "w"); + if (file != NULL) + { + int dup2Result = _dup2(_fileno(file), _fileno(stderr)); + if (dup2Result == 0) + { + setvbuf(stderr, NULL, _IONBF, 0); + } + } + } + } + } + + // Clear the error state for each of the C++ standard stream objects. We need to do this, as attempts to access the + // standard streams before they refer to a valid target will cause the iostream objects to enter an error state. In + // versions of Visual Studio after 2005, this seems to always occur during startup regardless of whether anything + // has been read from or written to the targets or not. + if (bindStdIn) + { + std::wcin.clear(); + std::cin.clear(); + } + if (bindStdOut) + { + std::wcout.clear(); + std::cout.clear(); + } + if (bindStdErr) + { + std::wcerr.clear(); + std::cerr.clear(); + } +} + + + +int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hInstPrev, PSTR cmdline, int cmdshow) +{ + if (AttachConsole(ATTACH_PARENT_PROCESS)) + BindCrtHandlesToStdHandles(true, true, true); + + int argc = 0; + char** argv = nullptr; + try + { + get_command_line_args(&argc, &argv); + + main(argc, argv); + + if (argv) + free(argv); + + return EXIT_SUCCESS; + } + catch (std::exception& ex) + { + if (argv) + free(argv); + + MessageBoxA(nullptr, ex.what(), "UpdateDisplay error", MB_ICONERROR); + + return EXIT_FAILURE; + } +} \ No newline at end of file diff --git a/UpdateDisplay.sln b/UpdateDisplay.sln new file mode 100644 index 0000000..3b4f3f0 --- /dev/null +++ b/UpdateDisplay.sln @@ -0,0 +1,31 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio Version 17 +VisualStudioVersion = 17.14.36511.14 d17.14 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "UpdateDisplay", "UpdateDisplay.vcxproj", "{138CC269-88D1-4FE0-926F-492DA40C6500}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|x64 = Debug|x64 + Debug|x86 = Debug|x86 + Release|x64 = Release|x64 + Release|x86 = Release|x86 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {138CC269-88D1-4FE0-926F-492DA40C6500}.Debug|x64.ActiveCfg = Debug|x64 + {138CC269-88D1-4FE0-926F-492DA40C6500}.Debug|x64.Build.0 = Debug|x64 + {138CC269-88D1-4FE0-926F-492DA40C6500}.Debug|x86.ActiveCfg = Debug|Win32 + {138CC269-88D1-4FE0-926F-492DA40C6500}.Debug|x86.Build.0 = Debug|Win32 + {138CC269-88D1-4FE0-926F-492DA40C6500}.Release|x64.ActiveCfg = Release|x64 + {138CC269-88D1-4FE0-926F-492DA40C6500}.Release|x64.Build.0 = Release|x64 + {138CC269-88D1-4FE0-926F-492DA40C6500}.Release|x86.ActiveCfg = Release|Win32 + {138CC269-88D1-4FE0-926F-492DA40C6500}.Release|x86.Build.0 = Release|Win32 + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + SolutionGuid = {E5CA91E3-77F9-4C35-B69F-1174265849AA} + EndGlobalSection +EndGlobal diff --git a/UpdateDisplay.vcxproj b/UpdateDisplay.vcxproj new file mode 100644 index 0000000..63a9788 --- /dev/null +++ b/UpdateDisplay.vcxproj @@ -0,0 +1,136 @@ + + + + + Debug + Win32 + + + Release + Win32 + + + Debug + x64 + + + Release + x64 + + + + 17.0 + Win32Proj + {138cc269-88d1-4fe0-926f-492da40c6500} + UpdateDisplay + 10.0 + + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + + + + + + + + + + + + + + + + + + + + Level3 + true + WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Windows + true + + + + + Level3 + true + true + true + WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Windows + true + + + + + Level3 + true + _DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Windows + true + + + + + Level3 + true + true + true + NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Windows + true + + + + + + + + + + + + + + \ No newline at end of file diff --git a/UpdateDisplay.vcxproj.filters b/UpdateDisplay.vcxproj.filters new file mode 100644 index 0000000..700de51 --- /dev/null +++ b/UpdateDisplay.vcxproj.filters @@ -0,0 +1,33 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + + + Source Files + + + Source Files + + + + + Header Files + + + Header Files + + + \ No newline at end of file