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Diffstat (limited to 'lib/imgui-1.92.6/misc/cpp')
| -rw-r--r-- | lib/imgui-1.92.6/misc/cpp/README.txt | 17 | ||||
| -rw-r--r-- | lib/imgui-1.92.6/misc/cpp/imgui_stdlib.cpp | 100 | ||||
| -rw-r--r-- | lib/imgui-1.92.6/misc/cpp/imgui_stdlib.h | 37 |
3 files changed, 154 insertions, 0 deletions
diff --git a/lib/imgui-1.92.6/misc/cpp/README.txt b/lib/imgui-1.92.6/misc/cpp/README.txt new file mode 100644 index 0000000..f865c1b --- /dev/null +++ b/lib/imgui-1.92.6/misc/cpp/README.txt @@ -0,0 +1,17 @@ + +imgui_stdlib.h + imgui_stdlib.cpp + InputText() wrappers for C++ standard library (STL) type: std::string. + This is also an example of how you may wrap your own similar types. + +imgui_scoped.h + [Experimental, not currently in main repository] + Additional header file with some RAII-style wrappers for common Dear ImGui functions. + Try by merging: https://github.com/ocornut/imgui/pull/2197 + Discuss at: https://github.com/ocornut/imgui/issues/2096 + +imgui-module: + C++20 module binding + https://github.com/stripe2933/imgui-module + +See more C++ related extension (fmt, RAII, syntactic sugar) on Wiki: + https://github.com/ocornut/imgui/wiki/Useful-Extensions#cness diff --git a/lib/imgui-1.92.6/misc/cpp/imgui_stdlib.cpp b/lib/imgui-1.92.6/misc/cpp/imgui_stdlib.cpp new file mode 100644 index 0000000..282ca62 --- /dev/null +++ b/lib/imgui-1.92.6/misc/cpp/imgui_stdlib.cpp @@ -0,0 +1,100 @@ +// dear imgui: wrappers for C++ standard library (STL) types (std::string, etc.) + +// This is also an example of how you may wrap your own similar types. +// TL;DR; this is using the ImGuiInputTextFlags_CallbackResize facility, +// which also demonstrated in 'Dear ImGui Demo->Widgets->Text Input->Resize Callback'. + +// Changelog: +// - v0.10: Initial version. Added InputText() / InputTextMultiline() calls with std::string + +// Usage: +// { +// #include "misc/cpp/imgui_stdlib.h" +// #include "misc/cpp/imgui_stdlib.cpp" // <-- If you want to include implementation without messing with your project/build. +// [...] +// std::string my_string; +// ImGui::InputText("my string", &my_string); +// } + +// See more C++ related extension (fmt, RAII, syntactic sugar) on Wiki: +// https://github.com/ocornut/imgui/wiki/Useful-Extensions#cness + +#include "imgui.h" +#ifndef IMGUI_DISABLE +#include "imgui_stdlib.h" + +// Clang warnings with -Weverything +#if defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wsign-conversion" // warning: implicit conversion changes signedness +#endif + +struct InputTextCallback_UserData +{ + std::string* Str; + ImGuiInputTextCallback ChainCallback; + void* ChainCallbackUserData; +}; + +static int InputTextCallback(ImGuiInputTextCallbackData* data) +{ + InputTextCallback_UserData* user_data = (InputTextCallback_UserData*)data->UserData; + if (data->EventFlag == ImGuiInputTextFlags_CallbackResize) + { + // Resize string callback + // If for some reason we refuse the new length (BufTextLen) and/or capacity (BufSize) we need to set them back to what we want. + std::string* str = user_data->Str; + IM_ASSERT(data->Buf == str->c_str()); + str->resize(data->BufTextLen); + data->Buf = (char*)str->c_str(); + } + else if (user_data->ChainCallback) + { + // Forward to user callback, if any + data->UserData = user_data->ChainCallbackUserData; + return user_data->ChainCallback(data); + } + return 0; +} + +bool ImGui::InputText(const char* label, std::string* str, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data) +{ + IM_ASSERT((flags & ImGuiInputTextFlags_CallbackResize) == 0); + flags |= ImGuiInputTextFlags_CallbackResize; + + InputTextCallback_UserData cb_user_data; + cb_user_data.Str = str; + cb_user_data.ChainCallback = callback; + cb_user_data.ChainCallbackUserData = user_data; + return InputText(label, (char*)str->c_str(), str->capacity() + 1, flags, InputTextCallback, &cb_user_data); +} + +bool ImGui::InputTextMultiline(const char* label, std::string* str, const ImVec2& size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data) +{ + IM_ASSERT((flags & ImGuiInputTextFlags_CallbackResize) == 0); + flags |= ImGuiInputTextFlags_CallbackResize; + + InputTextCallback_UserData cb_user_data; + cb_user_data.Str = str; + cb_user_data.ChainCallback = callback; + cb_user_data.ChainCallbackUserData = user_data; + return InputTextMultiline(label, (char*)str->c_str(), str->capacity() + 1, size, flags, InputTextCallback, &cb_user_data); +} + +bool ImGui::InputTextWithHint(const char* label, const char* hint, std::string* str, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data) +{ + IM_ASSERT((flags & ImGuiInputTextFlags_CallbackResize) == 0); + flags |= ImGuiInputTextFlags_CallbackResize; + + InputTextCallback_UserData cb_user_data; + cb_user_data.Str = str; + cb_user_data.ChainCallback = callback; + cb_user_data.ChainCallbackUserData = user_data; + return InputTextWithHint(label, hint, (char*)str->c_str(), str->capacity() + 1, flags, InputTextCallback, &cb_user_data); +} + +#if defined(__clang__) +#pragma clang diagnostic pop +#endif + +#endif // #ifndef IMGUI_DISABLE diff --git a/lib/imgui-1.92.6/misc/cpp/imgui_stdlib.h b/lib/imgui-1.92.6/misc/cpp/imgui_stdlib.h new file mode 100644 index 0000000..cf4b528 --- /dev/null +++ b/lib/imgui-1.92.6/misc/cpp/imgui_stdlib.h @@ -0,0 +1,37 @@ +// dear imgui: wrappers for C++ standard library (STL) types (std::string, etc.) + +// This is also an example of how you may wrap your own similar types. +// TL;DR; this is using the ImGuiInputTextFlags_CallbackResize facility, +// which also demonstrated in 'Dear ImGui Demo->Widgets->Text Input->Resize Callback'. + +// Changelog: +// - v0.10: Initial version. Added InputText() / InputTextMultiline() calls with std::string + +// Usage: +// { +// #include "misc/cpp/imgui_stdlib.h" +// #include "misc/cpp/imgui_stdlib.cpp" // <-- If you want to include implementation without messing with your project/build. +// [...] +// std::string my_string; +// ImGui::InputText("my string", &my_string); +// } + +// See more C++ related extension (fmt, RAII, syntaxis sugar) on Wiki: +// https://github.com/ocornut/imgui/wiki/Useful-Extensions#cness + +#pragma once + +#ifndef IMGUI_DISABLE + +#include <string> + +namespace ImGui +{ + // ImGui::InputText() with std::string + // Because text input needs dynamic resizing, we need to setup a callback to grow the capacity + IMGUI_API bool InputText(const char* label, std::string* str, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = nullptr, void* user_data = nullptr); + IMGUI_API bool InputTextMultiline(const char* label, std::string* str, const ImVec2& size = ImVec2(0, 0), ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = nullptr, void* user_data = nullptr); + IMGUI_API bool InputTextWithHint(const char* label, const char* hint, std::string* str, ImGuiInputTextFlags flags = 0, ImGuiInputTextCallback callback = nullptr, void* user_data = nullptr); +} + +#endif // #ifndef IMGUI_DISABLE |
