105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
internal void
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ResetTextInput (text_input* 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_input* Input)
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{
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switch (Input->Destination.Type)
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{
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case TextTranslateTo_String:
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{
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CopyStringTo(Input->Buffer, Input->Destination.StringDest);
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}break;
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case TextTranslateTo_R32:
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{
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parse_result FloatParseResult = ParseFloat(Input->Buffer.Memory, Input->Buffer.Length);
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*Input->Destination.FloatDest = FloatParseResult.FloatValue;
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}break;
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InvalidDefaultCase;
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}
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}
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FOLDHAUS_INPUT_COMMAND_PROC(RemoveCharacterFromEntryString)
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{
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if (State->ActiveTextEntry.CursorPosition > 0)
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{
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RemoveCharAt(&State->ActiveTextEntry.Buffer,
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State->ActiveTextEntry.CursorPosition - 1);
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State->ActiveTextEntry.CursorPosition--;
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}
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}
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internal void
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SetTextInputDestinationToString (text_input* TextInput, string* DestinationString)
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{
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ResetTextInput(TextInput);
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TextInput->Destination.Type = TextTranslateTo_String;
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TextInput->Destination.StringDest = DestinationString;
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CopyStringTo(*DestinationString, &TextInput->Buffer);
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}
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internal void
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SetTextInputDestinationToFloat (text_input* 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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AppendInputToEntryString (text_input* EntryString, char* InputString, s32 InputStringLength)
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{
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if (InputStringLength > 0)
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{
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for (s32 i = 0; i < InputStringLength; i++)
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{
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InsertChar(&EntryString->Buffer, InputString[i], EntryString->CursorPosition);
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EntryString->CursorPosition++;
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}
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}
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PipeSearchStringToDestination(EntryString);
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}
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FOLDHAUS_INPUT_COMMAND_PROC(TextEntryMoveCursorRight)
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{
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State->ActiveTextEntry.CursorPosition = GSMin(State->ActiveTextEntry.Buffer.Length,
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State->ActiveTextEntry.CursorPosition + 1);
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}
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FOLDHAUS_INPUT_COMMAND_PROC(TextEntryMoveCursorLeft)
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{
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State->ActiveTextEntry.CursorPosition = GSMax(0,
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State->ActiveTextEntry.CursorPosition - 1);
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}
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FOLDHAUS_INPUT_COMMAND_PROC(LeaveTextEntryMode)
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{
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// TODO(Peter): Make this more flexible. Should return to whatever came before
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State->ActiveCommands = &State->InputCommandRegistry;
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}
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internal void
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InitializeTextInputCommands (input_command_registry* SearchCommands, memory_arena* PermanentStorage)
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{
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if (SearchCommands->Size > 0)
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{
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RegisterKeyPressCommand(SearchCommands, KeyCode_Backspace, false, KeyCode_Invalid, RemoveCharacterFromEntryString);
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RegisterKeyPressCommand(SearchCommands, KeyCode_LeftArrow, false, KeyCode_Invalid, TextEntryMoveCursorLeft);
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RegisterKeyPressCommand(SearchCommands, KeyCode_RightArrow, false, KeyCode_Invalid, TextEntryMoveCursorRight);
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RegisterKeyPressCommand(SearchCommands, KeyCode_Enter, false, KeyCode_Invalid,
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LeaveTextEntryMode);
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}
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}
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