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GuiTextBox paste support (#463)

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* Add support for paste (CTRL+V) in GuiTextBox

* Remove commented out code

(a more elegant but incomplete solution, which does not check for control characters)
This commit is contained in:
foxblock
2025-02-25 21:39:31 +01:00
committed by GitHub
parent e4a59f0afa
commit 3397b015ef
1 changed files with 32 additions and 1 deletions
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33
src/raygui.h
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@ -2575,9 +2575,40 @@ int GuiTextBox(Rectangle bounds, char *text, int textSize, bool editMode)
int codepointSize = 0;
const char *charEncoded = CodepointToUTF8(codepoint, &codepointSize);
// Handle Paste action
if (IsKeyPressed(KEY_V) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL)))
{
const char *pasteText = GetClipboardText();
if (pasteText != NULL)
{
int pasteLength = 0;
int pasteCodepoint;
int pasteCodepointSize;
// count how many codepoints to copy, stopping at the first unwanted control character
while (true)
{
pasteCodepoint = GetCodepointNext(pasteText + pasteLength, &pasteCodepointSize);
if (textLength + pasteLength + pasteCodepointSize >= textSize) break;
if (!(multiline && (pasteCodepoint == (int)'\n')) && !(pasteCodepoint >= 32)) break;
pasteLength += pasteCodepointSize;
}
if (pasteLength > 0)
{
// Move forward data from cursor position
for (int i = textLength + pasteLength; i > textBoxCursorIndex; i--) text[i] = text[i - pasteLength];
// Paste data in at cursor
for (int i = 0; i < pasteLength; i++) text[textBoxCursorIndex + i] = pasteText[i];
textBoxCursorIndex += pasteLength;
textLength += pasteLength;
text[textLength] = '\0';
}
}
}
// Add codepoint to text, at current cursor position
// NOTE: Make sure we do not overflow buffer size
if (((multiline && (codepoint == (int)'\n')) || (codepoint >= 32)) && ((textLength + codepointSize) < textSize))
else if (((multiline && (codepoint == (int)'\n')) || (codepoint >= 32)) && ((textLength + codepointSize) < textSize))
{
// Move forward data from cursor position
for (int i = (textLength + codepointSize); i > textBoxCursorIndex; i--) text[i] = text[i - codepointSize];