249 lines
13 KiB
C++
249 lines
13 KiB
C++
//
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// File: foldhaus_text_entry.cpp
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// Author: Peter Slattery
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// Creation Date: 2020-01-01
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//
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#ifndef FOLDHAUS_TEXT_ENTRY_CPP
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internal void
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ResetTextInput (text_entry* Input)
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{
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Input->CursorPosition = 0;
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Input->Buffer.Length = 0;
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}
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internal void
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PipeSearchStringToDestination (text_entry* Input)
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{
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switch (Input->Destination.Type)
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{
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case TextTranslateTo_gs_string:
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{
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PrintF(Input->Destination.StringDest, "%S", Input->Buffer);
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}break;
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case TextTranslateTo_R32:
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{
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*Input->Destination.FloatDest = (r32)ParseFloat(Input->Buffer.ConstString);
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}break;
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InvalidDefaultCase;
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}
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}
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internal void
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RemoveCharacterAtCursor (text_entry* TextEntry)
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{
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if (TextEntry->CursorPosition > 0)
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{
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for (u32 i = TextEntry->CursorPosition - 1; i < TextEntry->Buffer.Length; i++)
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{
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Assert(i + 1 < TextEntry->Buffer.Size);
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TextEntry->Buffer.Str[i] = TextEntry->Buffer.Str[i + 1];
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}
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TextEntry->CursorPosition--;
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}
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}
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internal void
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SetTextInputDestinationToString (text_entry* TextInput, gs_string* DestinationString)
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{
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ResetTextInput(TextInput);
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TextInput->Destination.Type = TextTranslateTo_gs_string;
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TextInput->Destination.StringDest = DestinationString;
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PrintF(&TextInput->Buffer, "%S", *DestinationString);
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}
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internal void
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SetTextInputDestinationToFloat (text_entry* TextInput, r32* DestinationFloat)
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{
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ResetTextInput(TextInput);
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TextInput->Destination.Type = TextTranslateTo_R32;
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TextInput->Destination.FloatDest = DestinationFloat;
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PrintF(&TextInput->Buffer, "%f", *DestinationFloat);
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if (*DestinationFloat == 0.0f)
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{
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TextInput->CursorPosition = 1;
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}
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}
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internal void
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MoveCursorRight (text_entry* TextEntry)
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{
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TextEntry->CursorPosition = Min(TextEntry->Buffer.Length, TextEntry->CursorPosition + 1);
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}
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internal void
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MoveCursorLeft (text_entry* TextEntry)
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{
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TextEntry->CursorPosition = Max(0, TextEntry->CursorPosition - 1);
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}
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FOLDHAUS_INPUT_COMMAND_PROC(TextEntryInsertChar)
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{
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char Char = CharacterFromKeyCode(Event.Key);
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if (Event.Key >= KeyCode_A && Event.Key <= KeyCode_Z && (Event.Modifiers & Modifier_Shift) == 0)
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{
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Char += ('a' - 'A');
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}
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// Shift string forward
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Assert(State->ActiveTextEntry.Buffer.Length < State->ActiveTextEntry.Buffer.Size);
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for (u32 i = State->ActiveTextEntry.Buffer.Length;
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i > (u32)State->ActiveTextEntry.CursorPosition;
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i--)
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{
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State->ActiveTextEntry.Buffer.Str[i] = State->ActiveTextEntry.Buffer.Str[i - 1];
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}
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// Insert new Character
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State->ActiveTextEntry.Buffer.Str[State->ActiveTextEntry.CursorPosition] = Char;
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State->ActiveTextEntry.CursorPosition++;
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PipeSearchStringToDestination(&State->ActiveTextEntry);
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}
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FOLDHAUS_INPUT_COMMAND_PROC(RemoveCharacterFromEntrygs_string)
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{
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RemoveCharacterAtCursor(&State->ActiveTextEntry);
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}
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FOLDHAUS_INPUT_COMMAND_PROC(TextEntryMoveCursorRight)
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{
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MoveCursorRight(&State->ActiveTextEntry);
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}
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FOLDHAUS_INPUT_COMMAND_PROC(TextEntryMoveCursorLeft)
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{
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MoveCursorLeft(&State->ActiveTextEntry);
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}
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internal void
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InitializeTextInputCommands (input_command_registry* Commands, gs_memory_arena* PermanentStorage)
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{
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if (Commands->Size > 0)
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{
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RegisterKeyPressCommand(Commands, KeyCode_Backspace, Command_Began | Command_Held, KeyCode_Invalid, RemoveCharacterFromEntrygs_string);
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RegisterKeyPressCommand(Commands, KeyCode_LeftArrow, Command_Began | Command_Held, KeyCode_Invalid, TextEntryMoveCursorLeft);
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RegisterKeyPressCommand(Commands, KeyCode_RightArrow, Command_Began | Command_Held, KeyCode_Invalid, TextEntryMoveCursorRight);
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for (s32 i = KeyCode_a; i < KeyCode_UpArrow; i++)
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{
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RegisterKeyPressCommand(Commands, (key_code)i, Command_Began | Command_Held, KeyCode_Invalid, TextEntryInsertChar);
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}
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}
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}
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#define DEFAULT_TEXT_ENTRY_INPUT_COMMANDS_ARRAY_ENTRY \
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{ KeyCode_Backspace, KeyCode_Invalid, Command_Began | Command_Held, RemoveCharacterFromEntrygs_string }, \
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{ KeyCode_LeftArrow, KeyCode_Invalid, Command_Began | Command_Held, TextEntryMoveCursorLeft }, \
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{ KeyCode_RightArrow, KeyCode_Invalid, Command_Began | Command_Held, TextEntryMoveCursorRight }, \
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{ KeyCode_a, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_b, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_c, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_d, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_e, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_f, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_g, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_h, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_i, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_j, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_k, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_l, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_m, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_n, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_o, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_p, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_q, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_r, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_s, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_t, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_u, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_v, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_w, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_x, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_y, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_z, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_A, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_B, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_C, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_D, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_E, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_F, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_G, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_H, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_I, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_J, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_K, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_L, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_M, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_N, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_O, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_P, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Q, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_R, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_S, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_T, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_U, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_V, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_W, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_X, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Y, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Z, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_0, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_1, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_2, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_3, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_4, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_5, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_6, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_7, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_8, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_9, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Num0, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Num1, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Num2, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Num3, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Num4, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Num5, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Num6, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Num7, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Num8, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Num9, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Bang, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_At, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Pound, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Dollar, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Percent, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Carrot, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Ampersand, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Star, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_LeftParen, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_RightParen, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Minus, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Plus, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Equals, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Underscore, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_LeftBrace, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_RightBrace, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_LeftBracket, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_RightBracket, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Colon, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_SemiColon, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_SingleQuote, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_DoubleQuote, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_ForwardSlash, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Backslash, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Pipe, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Comma, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Period, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_QuestionMark, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_LessThan, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_GreaterThan, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_Tilde, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }, \
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{ KeyCode_BackQuote, KeyCode_Invalid, Command_Began | Command_Held, TextEntryInsertChar }
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#define FOLDHAUS_TEXT_ENTRY_CPP
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#endif // FOLDHAUS_TEXT_ENTRY_CPP
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