mirror of
https://github.com/ocornut/imgui.git
synced 2026-11-06 14:35:51 +01:00
use imgui string hashing for key name to imgui key lookup
This commit is contained in:
SlowRiot
parent
34f61cf7e3
commit
8fa2322760
@ -4,8 +4,9 @@
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//
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// CHANGELOG
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// (minor and older changes stripped away, please see git history for details)
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// 2026-04-02: Inputs: Replaced custom KeyboardEvent.code parser with ImHashStr()/ImGuiStorage lookup to match Dear ImGui backend style.
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// 2026-03-31: Emscripten: Added configurable TargetDevicePixelRatio to control how browser device pixels map to Dear ImGui pixels.
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// 2026-03-31: Emscripten: Reworked KeyboardEvent.code translation to avoid std::unordered_map and added BrowserBack/Forward and F13-F24 mappings.
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// 2026-03-31: Inputs: Added BrowserBack/Forward and F13-F24 key mappings.
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// 2026-03-31: Emscripten: Moved cursor state into backend userdata and replaced cursor restore storage with owned C strings.
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// 2024-12-09: Inputs: Added special handling for modifier keys to also generate modifier key events.
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// 2024-12-08: Inputs: Prevent "Delete" key from getting printed in text input.
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@ -20,7 +21,8 @@
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#include "imgui_impl_emscripten.h"
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#include <emscripten.h>
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#include <emscripten/html5.h>
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#include <string.h>
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extern ImGuiID ImHashStr(char const* data, size_t data_size = 0, ImGuiID seed = 0); // Declared in imgui_internal.h.
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float ImGui_ImplEmscripten_TargetDevicePixelRatio{1.0f};
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@ -28,8 +30,7 @@ namespace {
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// W3C UI Events KeyboardEvent.code translation helpers
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ImGuiKey translate_numpad_key(char const* emscripten_key, size_t key_len) __attribute__((__pure__));
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ImGuiKey translate_key(char const* emscripten_key) __attribute__((__pure__));
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ImGuiKey translate_key(char const* emscripten_key);
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constexpr ImGuiMouseButton translate_mousebutton(unsigned short emscripten_button) __attribute__((__const__));
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} // anonymous namespace
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@ -547,12 +548,6 @@ void set(char const* new_cursor)
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namespace {
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static_assert(static_cast<int>(ImGuiKey_Z) == static_cast<int>(ImGuiKey_A) + 25, "");
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static_assert(static_cast<int>(ImGuiKey_9) == static_cast<int>(ImGuiKey_0) + 9, "");
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static_assert(static_cast<int>(ImGuiKey_F12) == static_cast<int>(ImGuiKey_F1) + 11, "");
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static_assert(static_cast<int>(ImGuiKey_F24) == static_cast<int>(ImGuiKey_F1) + 23, "");
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static_assert(static_cast<int>(ImGuiKey_Keypad9) == static_cast<int>(ImGuiKey_Keypad0) + 9, "");
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constexpr ImGuiMouseButton translate_mousebutton(unsigned short emscripten_button)
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{
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// Translate an emscripten-provided integer describing a mouse button to an imgui mouse button
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@ -562,367 +557,228 @@ constexpr ImGuiMouseButton translate_mousebutton(unsigned short emscripten_butto
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return emscripten_button; // any other button translates 1:1
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}
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ImGuiKey translate_numpad_key(char const* emscripten_key, size_t key_len)
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ImGuiStorage const& get_key_translation_storage()
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{
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// W3C UI Events, "Numpad section" code values.
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// These optional W3C numpad codes currently have no ImGuiKey equivalent:
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// "NumpadClear", "NumpadClearEntry", "NumpadMemoryAdd", "NumpadMemoryClear",
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// "NumpadMemoryRecall", "NumpadMemoryStore", "NumpadMemorySubtract"
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switch (emscripten_key[6])
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{
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case 'A': return ImGuiKey_KeypadAdd; // "NumpadAdd"
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case 'B': return ImGuiKey_Backspace; // "NumpadBackspace": closest editing equivalent
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case 'C':
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switch (key_len)
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{
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case 11:
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if (emscripten_key[7] == 'o') return ImGuiKey_KeypadDecimal; // "NumpadComma": Dear ImGui only exposes KeypadDecimal
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// if (emscripten_key[7] == 'l') return ImGuiKey_None; // "NumpadClear"
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break;
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// case 16: return ImGuiKey_None; // "NumpadClearEntry"
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}
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break;
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case 'D':
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switch (key_len)
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{
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case 12: return ImGuiKey_KeypadDivide; // "NumpadDivide"
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case 13: return ImGuiKey_KeypadDecimal; // "NumpadDecimal"
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}
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break;
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case 'E':
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switch (emscripten_key[7])
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{
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case 'n': return ImGuiKey_KeypadEnter; // "NumpadEnter"
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case 'q': return ImGuiKey_KeypadEqual; // "NumpadEqual"
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}
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break;
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case 'H': return ImGuiKey_Backslash; // "NumpadHash": closest printable equivalent for telephone-style '#'
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case 'M':
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switch (key_len)
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{
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case 14: return ImGuiKey_KeypadMultiply; // "NumpadMultiply"
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// case 15: return ImGuiKey_None; // "NumpadMemoryAdd"
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case 17:
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// switch (emscripten_key[12])
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// {
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// case 'C': return ImGuiKey_None; // "NumpadMemoryClear"
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// case 'S': return ImGuiKey_None; // "NumpadMemoryStore"
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// }
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break;
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// case 18: return ImGuiKey_None; // "NumpadMemoryRecall"
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}
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break;
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case 'P':
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switch (key_len)
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{
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case 15: return ImGuiKey_LeftBracket; // "NumpadParenLeft": closest available bracket key
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case 16: return ImGuiKey_RightBracket; // "NumpadParenRight": closest available bracket key
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}
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break;
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case 'S':
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switch (key_len)
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{
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case 10: return ImGuiKey_KeypadMultiply; // "NumpadStar": phone/remote '*' behaves like keypad multiply
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case 14: return ImGuiKey_KeypadSubtract; // "NumpadSubtract"
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// case 20: return ImGuiKey_None; // "NumpadMemorySubtract"
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}
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break;
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default: return static_cast<ImGuiKey>(ImGuiKey_Keypad0 + (emscripten_key[6] - '0')); // Remaining canonical "Numpad..." codes here are "Numpad0" .. "Numpad9"
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}
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return ImGuiKey_None;
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static ImGuiStorage storage;
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static bool is_initialized{false};
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if (is_initialized) return storage;
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is_initialized = true;
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storage.Data.reserve(128);
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// main character keys
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Backquote"), ImGuiKey_GraveAccent));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Backslash"), ImGuiKey_Backslash));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("BracketLeft"), ImGuiKey_LeftBracket));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("BracketRight"), ImGuiKey_RightBracket));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Comma"), ImGuiKey_Comma));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Digit0"), ImGuiKey_0));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Digit1"), ImGuiKey_1));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Digit2"), ImGuiKey_2));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Digit3"), ImGuiKey_3));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Digit4"), ImGuiKey_4));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Digit5"), ImGuiKey_5));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Digit6"), ImGuiKey_6));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Digit7"), ImGuiKey_7));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Digit8"), ImGuiKey_8));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Digit9"), ImGuiKey_9));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Equal"), ImGuiKey_Equal));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("IntlBackslash"), ImGuiKey_Backslash)); // Mapping to generic backslash
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("IntlRo"), ImGuiKey_Slash)); // Closest match for non-standard layouts
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("IntlYen"), ImGuiKey_Backslash)); // Closest match for non-standard layouts
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyA"), ImGuiKey_A));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyB"), ImGuiKey_B));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyC"), ImGuiKey_C));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyD"), ImGuiKey_D));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyE"), ImGuiKey_E));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyF"), ImGuiKey_F));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyG"), ImGuiKey_G));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyH"), ImGuiKey_H));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyI"), ImGuiKey_I));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyJ"), ImGuiKey_J));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyK"), ImGuiKey_K));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyL"), ImGuiKey_L));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyM"), ImGuiKey_M));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyN"), ImGuiKey_N));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyO"), ImGuiKey_O));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyP"), ImGuiKey_P));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyQ"), ImGuiKey_Q));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyR"), ImGuiKey_R));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyS"), ImGuiKey_S));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyT"), ImGuiKey_T));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyU"), ImGuiKey_U));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyV"), ImGuiKey_V));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyW"), ImGuiKey_W));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyX"), ImGuiKey_X));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyY"), ImGuiKey_Y));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("KeyZ"), ImGuiKey_Z));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Minus"), ImGuiKey_Minus));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Period"), ImGuiKey_Period));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Quote"), ImGuiKey_Apostrophe));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Semicolon"), ImGuiKey_Semicolon));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Slash"), ImGuiKey_Slash));
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// control keys
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("AltLeft"), ImGuiKey_LeftAlt));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("AltRight"), ImGuiKey_RightAlt));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Backspace"), ImGuiKey_Backspace));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("CapsLock"), ImGuiKey_CapsLock));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("ContextMenu"), ImGuiKey_Menu));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("ControlLeft"), ImGuiKey_LeftCtrl));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("ControlRight"), ImGuiKey_RightCtrl));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Enter"), ImGuiKey_Enter));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("MetaLeft"), ImGuiKey_LeftSuper));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("MetaRight"), ImGuiKey_RightSuper));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("ShiftLeft"), ImGuiKey_LeftShift));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("ShiftRight"), ImGuiKey_RightShift));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Space"), ImGuiKey_Space));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Tab"), ImGuiKey_Tab));
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// navigation key group
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Delete"), ImGuiKey_Delete));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("End"), ImGuiKey_End));
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Help"), ImGuiKey_PrintScreen)); // Best approximation
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Home"), ImGuiKey_Home));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Insert"), ImGuiKey_Insert));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("PageDown"), ImGuiKey_PageDown));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("PageUp"), ImGuiKey_PageUp));
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// arrow key group
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("ArrowDown"), ImGuiKey_DownArrow));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("ArrowLeft"), ImGuiKey_LeftArrow));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("ArrowRight"), ImGuiKey_RightArrow));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("ArrowUp"), ImGuiKey_UpArrow));
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// browser key group
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("BrowserBack"), ImGuiKey_AppBack)); // Pass through so the embedding app can decide
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("BrowserFavorites"), ImGuiKey_None)); // No direct mapping
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("BrowserForward"), ImGuiKey_AppForward)); // Pass through so the embedding app can decide
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("BrowserHome"), ImGuiKey_None)); // No direct mapping
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("BrowserRefresh"), ImGuiKey_None)); // No direct mapping
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("BrowserSearch"), ImGuiKey_None)); // No direct mapping
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("BrowserStop"), ImGuiKey_None)); // No direct mapping
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// number pad group
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumLock"), ImGuiKey_NumLock));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Numpad0"), ImGuiKey_Keypad0));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Numpad1"), ImGuiKey_Keypad1));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Numpad2"), ImGuiKey_Keypad2));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Numpad3"), ImGuiKey_Keypad3));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Numpad4"), ImGuiKey_Keypad4));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Numpad5"), ImGuiKey_Keypad5));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Numpad6"), ImGuiKey_Keypad6));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Numpad7"), ImGuiKey_Keypad7));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Numpad8"), ImGuiKey_Keypad8));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Numpad9"), ImGuiKey_Keypad9));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadAdd"), ImGuiKey_KeypadAdd));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadBackspace"), ImGuiKey_Backspace)); // No direct mapping; backspace functionality
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadClear"), ImGuiKey_None)); // No defined Dear ImGui mapping
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadClearEntry"), ImGuiKey_None)); // No defined Dear ImGui mapping
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadComma"), ImGuiKey_KeypadDecimal)); // Closest match
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadDecimal"), ImGuiKey_KeypadDecimal));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadDivide"), ImGuiKey_KeypadDivide));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadEnter"), ImGuiKey_KeypadEnter));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadEqual"), ImGuiKey_KeypadEqual));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadHash"), ImGuiKey_Backslash)); // Mapped to generic backslash for telephone-style '#'
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadMemoryAdd"), ImGuiKey_None)); // No defined mapping
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadMemoryClear"), ImGuiKey_None)); // No defined mapping
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadMemoryRecall"), ImGuiKey_None)); // No defined mapping
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadMemoryStore"), ImGuiKey_None)); // No defined mapping
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadMemorySubtract"), ImGuiKey_None)); // No defined mapping
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadMultiply"), ImGuiKey_KeypadMultiply));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadParenLeft"), ImGuiKey_LeftBracket)); // Closest available
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadParenRight"), ImGuiKey_RightBracket)); // Closest available
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadStar"), ImGuiKey_KeypadMultiply)); // Same as multiply
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("NumpadSubtract"), ImGuiKey_KeypadSubtract));
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// top row key group
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("Escape"), ImGuiKey_Escape));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F1"), ImGuiKey_F1));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F2"), ImGuiKey_F2));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F3"), ImGuiKey_F3));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F4"), ImGuiKey_F4));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F5"), ImGuiKey_F5));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F6"), ImGuiKey_F6));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F7"), ImGuiKey_F7));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F8"), ImGuiKey_F8));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F9"), ImGuiKey_F9));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F10"), ImGuiKey_F10));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F11"), ImGuiKey_F11));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F12"), ImGuiKey_F12));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F13"), ImGuiKey_F13));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F14"), ImGuiKey_F14));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F15"), ImGuiKey_F15));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F16"), ImGuiKey_F16));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F17"), ImGuiKey_F17));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F18"), ImGuiKey_F18));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F19"), ImGuiKey_F19));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F20"), ImGuiKey_F20));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F21"), ImGuiKey_F21));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F22"), ImGuiKey_F22));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F23"), ImGuiKey_F23));
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storage.Data.push_back(ImGuiStoragePair(ImHashStr("F24"), ImGuiKey_F24));
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Fn"), ImGuiKey_None)); // No direct mapping
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//storage.Data.push_back(ImGuiStoragePair(ImHashStr("FnLock"), ImGuiKey_None)); // No direct mapping
|
||||
storage.Data.push_back(ImGuiStoragePair(ImHashStr("PrintScreen"), ImGuiKey_PrintScreen));
|
||||
storage.Data.push_back(ImGuiStoragePair(ImHashStr("ScrollLock"), ImGuiKey_ScrollLock));
|
||||
storage.Data.push_back(ImGuiStoragePair(ImHashStr("Pause"), ImGuiKey_Pause));
|
||||
|
||||
// clipboard/editing keys without direct mapping
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Abort"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Again"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Convert"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Copy"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Cut"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Find"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Open"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Paste"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Props"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Resume"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Select"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Undo"), ImGuiKey_None));
|
||||
|
||||
// IME and international keys without direct mapping
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Hiragana"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("KanaMode"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Katakana"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Lang1"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Lang2"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("NonConvert"), ImGuiKey_None));
|
||||
|
||||
// media and launcher keys without direct mapping
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("AudioVolumeDown"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("AudioVolumeMute"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("AudioVolumeUp"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("LaunchApp1"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("LaunchApp2"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("LaunchMail"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("MediaPlayPause"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("MediaSelect"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("MediaStop"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("MediaTrackNext"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("MediaTrackPrevious"), ImGuiKey_None));
|
||||
|
||||
// system keys without direct mapping
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Eject"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Hyper"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Power"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Sleep"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Super"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Suspend"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Turbo"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("Unidentified"), ImGuiKey_None));
|
||||
//storage.Data.push_back(ImGuiStoragePair(ImHashStr("WakeUp"), ImGuiKey_None));
|
||||
|
||||
storage.BuildSortByKey();
|
||||
return storage;
|
||||
}
|
||||
|
||||
ImGuiKey translate_key(char const* emscripten_key)
|
||||
{
|
||||
// Translate a W3C KeyboardEvent.code string into an ImGuiKey.
|
||||
// Canonical references: W3C UI Events code tables, with MDN used for browser quirks/aliases.
|
||||
if (emscripten_key == nullptr || emscripten_key[0] == '\0') return ImGuiKey_None;
|
||||
|
||||
size_t const key_len{strlen(emscripten_key)};
|
||||
|
||||
switch (emscripten_key[0])
|
||||
{
|
||||
case 'A':
|
||||
switch (key_len)
|
||||
{
|
||||
// case 5:
|
||||
// switch (emscripten_key[1])
|
||||
// {
|
||||
// case 'b': return ImGuiKey_None; // "Abort"
|
||||
// case 'g': return ImGuiKey_None; // "Again"
|
||||
// }
|
||||
// break;
|
||||
case 7:
|
||||
switch (emscripten_key[1])
|
||||
{
|
||||
case 'l': return ImGuiKey_LeftAlt; // "AltLeft"
|
||||
case 'r': return ImGuiKey_UpArrow; // "ArrowUp"
|
||||
}
|
||||
break;
|
||||
case 8: return ImGuiKey_RightAlt; // "AltRight"
|
||||
case 9:
|
||||
switch (emscripten_key[5])
|
||||
{
|
||||
case 'D': return ImGuiKey_DownArrow; // "ArrowDown"
|
||||
case 'L': return ImGuiKey_LeftArrow; // "ArrowLeft"
|
||||
}
|
||||
break;
|
||||
case 10: return ImGuiKey_RightArrow; // "ArrowRight"
|
||||
// case 13: return ImGuiKey_None; // "AudioVolumeUp"
|
||||
// case 15:
|
||||
// switch (emscripten_key[11])
|
||||
// {
|
||||
// case 'D': return ImGuiKey_None; // "AudioVolumeDown"
|
||||
// case 'M': return ImGuiKey_None; // "AudioVolumeMute"
|
||||
// }
|
||||
// break;
|
||||
}
|
||||
break;
|
||||
case 'B':
|
||||
switch (key_len)
|
||||
{
|
||||
case 9:
|
||||
switch (emscripten_key[4])
|
||||
{
|
||||
case 'q': return ImGuiKey_GraveAccent; // "Backquote"
|
||||
case 's':
|
||||
if (emscripten_key[5] == 'l') return ImGuiKey_Backslash; // "Backslash": W3C uses this for both US \| and the UK #~ key tucked under Enter
|
||||
if (emscripten_key[5] == 'p') return ImGuiKey_Backspace; // "Backspace"
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case 11:
|
||||
if (emscripten_key[3] == 'c') return ImGuiKey_LeftBracket; // "BracketLeft"
|
||||
switch (emscripten_key[7])
|
||||
{
|
||||
case 'B': return ImGuiKey_AppBack; // "BrowserBack": pass through even in browser hosts so the embedding app can decide
|
||||
// case 'H': return ImGuiKey_None; // "BrowserHome"
|
||||
// case 'S': return ImGuiKey_None; // "BrowserStop"
|
||||
}
|
||||
break;
|
||||
case 12: return ImGuiKey_RightBracket; // "BracketRight"
|
||||
// case 13: return ImGuiKey_None; // "BrowserSearch"
|
||||
case 14:
|
||||
switch (emscripten_key[7])
|
||||
{
|
||||
case 'F': return ImGuiKey_AppForward; // "BrowserForward": pass through even in browser hosts so the embedding app can decide
|
||||
// case 'R': return ImGuiKey_None; // "BrowserRefresh"
|
||||
}
|
||||
break;
|
||||
// case 16: return ImGuiKey_None; // "BrowserFavorites"
|
||||
}
|
||||
break;
|
||||
case 'C':
|
||||
switch (key_len)
|
||||
{
|
||||
// case 3: return ImGuiKey_None; // "Cut"
|
||||
// case 4: return ImGuiKey_None; // "Copy"
|
||||
case 5: return ImGuiKey_Comma; // "Comma"
|
||||
// case 7: return ImGuiKey_None; // "Convert"
|
||||
case 8: return ImGuiKey_CapsLock; // "CapsLock"
|
||||
case 11:
|
||||
switch (emscripten_key[4])
|
||||
{
|
||||
case 'e': return ImGuiKey_Menu; // "ContextMenu"
|
||||
case 'r': return ImGuiKey_LeftCtrl; // "ControlLeft"
|
||||
}
|
||||
break;
|
||||
case 12: return ImGuiKey_RightCtrl; // "ControlRight"
|
||||
}
|
||||
break;
|
||||
case 'D':
|
||||
if (key_len == 6)
|
||||
{
|
||||
if (emscripten_key[1] == 'e') return ImGuiKey_Delete; // "Delete"
|
||||
else return static_cast<ImGuiKey>(ImGuiKey_0 + (emscripten_key[5] - '0')); // "Digit0" .. "Digit9"
|
||||
}
|
||||
break;
|
||||
case 'E':
|
||||
switch (key_len)
|
||||
{
|
||||
case 3: return ImGuiKey_End; // "End"
|
||||
case 5:
|
||||
switch (emscripten_key[1])
|
||||
{
|
||||
case 'n': return ImGuiKey_Enter; // "Enter"
|
||||
case 'q': return ImGuiKey_Equal; // "Equal"
|
||||
// case 'j': return ImGuiKey_None; // "Eject"
|
||||
}
|
||||
break;
|
||||
case 6: return ImGuiKey_Escape; // "Escape"
|
||||
}
|
||||
break;
|
||||
case 'F':
|
||||
switch (key_len)
|
||||
{
|
||||
case 2:
|
||||
if (emscripten_key[1] == 'n') return ImGuiKey_None; // "Fn": no ImGuiKey equivalent
|
||||
else return static_cast<ImGuiKey>(ImGuiKey_F1 + (emscripten_key[1] - '1')); // "F1" .. "F9"
|
||||
case 3:
|
||||
if (emscripten_key[1] == '1') return static_cast<ImGuiKey>(ImGuiKey_F10 + (emscripten_key[2] - '0')); // "F10" .. "F19"
|
||||
else return static_cast<ImGuiKey>(ImGuiKey_F20 + (emscripten_key[2] - '0')); // "F20" .. "F24"
|
||||
// case 4: return ImGuiKey_None; // "Find"
|
||||
// case 6: return ImGuiKey_None; // "FnLock"
|
||||
}
|
||||
break;
|
||||
case 'H':
|
||||
switch (key_len)
|
||||
{
|
||||
case 4:
|
||||
switch (emscripten_key[1])
|
||||
{
|
||||
case 'o': return ImGuiKey_Home; // "Home"
|
||||
// case 'e': return ImGuiKey_None; // "Help"
|
||||
}
|
||||
break;
|
||||
// case 5: return ImGuiKey_None; // "Hyper"
|
||||
// case 8: return ImGuiKey_None; // "Hiragana"
|
||||
}
|
||||
break;
|
||||
case 'I':
|
||||
switch (key_len)
|
||||
{
|
||||
case 6:
|
||||
switch (emscripten_key[2])
|
||||
{
|
||||
case 's': return ImGuiKey_Insert; // "Insert"
|
||||
case 't': return ImGuiKey_Slash; // "IntlRo": closest printable equivalent
|
||||
}
|
||||
break;
|
||||
case 7: return ImGuiKey_Backslash; // "IntlYen": closest printable equivalent
|
||||
case 13: return ImGuiKey_Backslash; // "IntlBackslash": preserve original behavior and map to generic backslash
|
||||
}
|
||||
break;
|
||||
case 'K':
|
||||
switch (key_len)
|
||||
{
|
||||
case 4: return static_cast<ImGuiKey>(ImGuiKey_A + (emscripten_key[3] - 'A')); // "KeyA" .. "KeyZ"
|
||||
// case 8:
|
||||
// switch (emscripten_key[2])
|
||||
// {
|
||||
// case 'n': return ImGuiKey_None; // "KanaMode"
|
||||
// default: return ImGuiKey_None; // "Katakana"
|
||||
// }
|
||||
}
|
||||
break;
|
||||
// case 'L':
|
||||
// switch (key_len)
|
||||
// {
|
||||
// case 5:
|
||||
// switch (emscripten_key[4])
|
||||
// {
|
||||
// case '1': return ImGuiKey_None; // "Lang1"
|
||||
// case '2': return ImGuiKey_None; // "Lang2"
|
||||
// }
|
||||
// break;
|
||||
// case 10:
|
||||
// switch (emscripten_key[6])
|
||||
// {
|
||||
// case 'A':
|
||||
// switch (emscripten_key[9])
|
||||
// {
|
||||
// case '1': return ImGuiKey_None; // "LaunchApp1"
|
||||
// case '2': return ImGuiKey_None; // "LaunchApp2"
|
||||
// }
|
||||
// break;
|
||||
// case 'M': return ImGuiKey_None; // "LaunchMail"
|
||||
// }
|
||||
// break;
|
||||
// }
|
||||
case 'M':
|
||||
switch (key_len)
|
||||
{
|
||||
case 5: return ImGuiKey_Minus; // "Minus"
|
||||
case 8: return ImGuiKey_LeftSuper; // "MetaLeft"
|
||||
case 9:
|
||||
switch (emscripten_key[3])
|
||||
{
|
||||
case 'a': return ImGuiKey_RightSuper; // "MetaRight"
|
||||
// default: return ImGuiKey_None; // "MediaStop"
|
||||
}
|
||||
break;
|
||||
// case 11: return ImGuiKey_None; // "MediaSelect"
|
||||
// case 14:
|
||||
// switch (emscripten_key[10])
|
||||
// {
|
||||
// case 'N': return ImGuiKey_None; // "MediaTrackNext"
|
||||
// default: return ImGuiKey_None; // "MediaPlayPause"
|
||||
// }
|
||||
// case 18: return ImGuiKey_None; // "MediaTrackPrevious"
|
||||
}
|
||||
break;
|
||||
case 'N':
|
||||
if (emscripten_key[3] == 'p')
|
||||
{
|
||||
ImGuiKey const numpad_key{translate_numpad_key(emscripten_key, key_len)};
|
||||
if (numpad_key != ImGuiKey_None) return numpad_key;
|
||||
}
|
||||
if (key_len == 7) return ImGuiKey_NumLock; // "NumLock"
|
||||
// if (key_len == 10) return ImGuiKey_None; // "NonConvert"
|
||||
break;
|
||||
// case 'O': return ImGuiKey_None; // "Open"
|
||||
case 'P':
|
||||
switch (key_len)
|
||||
{
|
||||
case 5:
|
||||
if (emscripten_key[2] == 'u') return ImGuiKey_Pause; // "Pause"
|
||||
// if (emscripten_key[2] == 's') return ImGuiKey_None; // "Paste"
|
||||
// if (emscripten_key[1] == 'o') return ImGuiKey_None; // "Power"
|
||||
// if (emscripten_key[1] == 'r') return ImGuiKey_None; // "Props"
|
||||
break;
|
||||
case 6:
|
||||
switch (emscripten_key[1])
|
||||
{
|
||||
case 'a': return ImGuiKey_PageUp; // "PageUp"
|
||||
case 'e': return ImGuiKey_Period; // "Period"
|
||||
}
|
||||
break;
|
||||
case 8: return ImGuiKey_PageDown; // "PageDown"
|
||||
case 11: return ImGuiKey_PrintScreen; // "PrintScreen"
|
||||
}
|
||||
break;
|
||||
case 'Q': return ImGuiKey_Apostrophe; // "Quote"
|
||||
// case 'R': return ImGuiKey_None; // "Resume"
|
||||
case 'S':
|
||||
switch (key_len)
|
||||
{
|
||||
case 5:
|
||||
if (emscripten_key[2] == 'a') return ImGuiKey_Slash; // "Slash"
|
||||
if (emscripten_key[1] == 'p') return ImGuiKey_Space; // "Space"
|
||||
// if (emscripten_key[2] == 'e') return ImGuiKey_None; // "Sleep"
|
||||
// if (emscripten_key[1] == 'u') return ImGuiKey_None; // "Super"
|
||||
break;
|
||||
// case 6: return ImGuiKey_None; // "Select"
|
||||
// case 7: return ImGuiKey_None; // "Suspend"
|
||||
case 9:
|
||||
switch (emscripten_key[1])
|
||||
{
|
||||
case 'e': return ImGuiKey_Semicolon; // "Semicolon"
|
||||
case 'h': return ImGuiKey_LeftShift; // "ShiftLeft"
|
||||
}
|
||||
break;
|
||||
case 10:
|
||||
switch (emscripten_key[1])
|
||||
{
|
||||
case 'c': return ImGuiKey_ScrollLock; // "ScrollLock"
|
||||
case 'h': return ImGuiKey_RightShift; // "ShiftRight"
|
||||
}
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case 'T':
|
||||
if (key_len == 3) return ImGuiKey_Tab; // "Tab"
|
||||
// if (key_len == 5) return ImGuiKey_None; // "Turbo"
|
||||
break;
|
||||
// case 'U':
|
||||
// switch (key_len)
|
||||
// {
|
||||
// case 4: return ImGuiKey_None; // "Undo"
|
||||
// case 12: return ImGuiKey_None; // "Unidentified"
|
||||
// }
|
||||
// case 'W': return ImGuiKey_None; // "WakeUp"
|
||||
}
|
||||
return ImGuiKey_None;
|
||||
ImGuiStorage const& storage{get_key_translation_storage()};
|
||||
return static_cast<ImGuiKey>(storage.GetInt(ImHashStr(emscripten_key), ImGuiKey_None));
|
||||
}
|
||||
|
||||
} // anonymous namespace
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user