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add ctrl backspace support for deleting words (#431)
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36
src/raygui.h
36
src/raygui.h
@ -1045,6 +1045,7 @@ typedef enum {
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#if defined(RAYGUI_IMPLEMENTATION)
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#include <ctype.h> // required for: isspace() [GuiTextBox()]
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#include <stdio.h> // Required for: FILE, fopen(), fclose(), fprintf(), feof(), fscanf(), vsprintf() [GuiLoadStyle(), GuiLoadIcons()]
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#include <stdlib.h> // Required for: malloc(), calloc(), free() [GuiLoadStyle(), GuiLoadIcons()]
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#include <string.h> // Required for: strlen() [GuiTextBox(), GuiValueBox()], memset(), memcpy()
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@ -2603,8 +2604,39 @@ int GuiTextBox(Rectangle bounds, char *text, int textSize, bool editMode)
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}
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}
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// Delete codepoint from text, before current cursor position
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if ((textLength > 0) && (IsKeyPressed(KEY_BACKSPACE) || (IsKeyDown(KEY_BACKSPACE) && (autoCursorCooldownCounter >= RAYGUI_TEXTBOX_AUTO_CURSOR_COOLDOWN))))
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// Delete related codepoints from text, before current cursor position
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if ((textLength > 0) && IsKeyPressed(KEY_BACKSPACE) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL))) {
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int i = textBoxCursorIndex - 1;
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int accCodepointSize = 0;
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// Move cursor to the end of word if on space already
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while (i > 0 && isspace(text[i])) {
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int prevCodepointSize = 0;
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GetCodepointPrevious(text + i, &prevCodepointSize);
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i -= prevCodepointSize;
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accCodepointSize += prevCodepointSize;
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}
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// Move cursor to the start of the word
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while (i > 0 && !isspace(text[i])) {
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int prevCodepointSize = 0;
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GetCodepointPrevious(text + i, &prevCodepointSize);
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i -= prevCodepointSize;
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accCodepointSize += prevCodepointSize;
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}
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// Move forward text from cursor position
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for (int j = (textBoxCursorIndex - accCodepointSize); j < textLength; j++) text[j] = text[j + accCodepointSize];
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// Prevent cursor index from decrementing past 0
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if (textBoxCursorIndex > 0) {
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textBoxCursorIndex -= accCodepointSize;
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textLength -= accCodepointSize;
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}
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// Make sure text last character is EOL
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text[textLength] = '\0';
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} else if ((textLength > 0) && (IsKeyPressed(KEY_BACKSPACE) || (IsKeyDown(KEY_BACKSPACE) && (autoCursorCooldownCounter >= RAYGUI_TEXTBOX_AUTO_CURSOR_COOLDOWN))))
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{
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autoCursorDelayCounter++;
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