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add ctrl backspace support for deleting words (#431)

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This commit is contained in:
Jesus Coca
2024-09-24 10:47:40 -07:00
committed by GitHub
parent 18edd7951b
commit 38ababbc62
1 changed files with 34 additions and 2 deletions
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36
src/raygui.h
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@ -1045,6 +1045,7 @@ typedef enum {
#if defined(RAYGUI_IMPLEMENTATION) #if defined(RAYGUI_IMPLEMENTATION)
#include <ctype.h> // required for: isspace() [GuiTextBox()]
#include <stdio.h> // Required for: FILE, fopen(), fclose(), fprintf(), feof(), fscanf(), vsprintf() [GuiLoadStyle(), GuiLoadIcons()] #include <stdio.h> // Required for: FILE, fopen(), fclose(), fprintf(), feof(), fscanf(), vsprintf() [GuiLoadStyle(), GuiLoadIcons()]
#include <stdlib.h> // Required for: malloc(), calloc(), free() [GuiLoadStyle(), GuiLoadIcons()] #include <stdlib.h> // Required for: malloc(), calloc(), free() [GuiLoadStyle(), GuiLoadIcons()]
#include <string.h> // Required for: strlen() [GuiTextBox(), GuiValueBox()], memset(), memcpy() #include <string.h> // Required for: strlen() [GuiTextBox(), GuiValueBox()], memset(), memcpy()
@ -2603,8 +2604,39 @@ int GuiTextBox(Rectangle bounds, char *text, int textSize, bool editMode)
} }
} }
// Delete codepoint from text, before current cursor position // Delete related codepoints from text, before current cursor position
if ((textLength > 0) && (IsKeyPressed(KEY_BACKSPACE) || (IsKeyDown(KEY_BACKSPACE) && (autoCursorCooldownCounter >= RAYGUI_TEXTBOX_AUTO_CURSOR_COOLDOWN)))) if ((textLength > 0) && IsKeyPressed(KEY_BACKSPACE) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL))) {
int i = textBoxCursorIndex - 1;
int accCodepointSize = 0;
// Move cursor to the end of word if on space already
while (i > 0 && isspace(text[i])) {
int prevCodepointSize = 0;
GetCodepointPrevious(text + i, &prevCodepointSize);
i -= prevCodepointSize;
accCodepointSize += prevCodepointSize;
}
// Move cursor to the start of the word
while (i > 0 && !isspace(text[i])) {
int prevCodepointSize = 0;
GetCodepointPrevious(text + i, &prevCodepointSize);
i -= prevCodepointSize;
accCodepointSize += prevCodepointSize;
}
// Move forward text from cursor position
for (int j = (textBoxCursorIndex - accCodepointSize); j < textLength; j++) text[j] = text[j + accCodepointSize];
// Prevent cursor index from decrementing past 0
if (textBoxCursorIndex > 0) {
textBoxCursorIndex -= accCodepointSize;
textLength -= accCodepointSize;
}
// Make sure text last character is EOL
text[textLength] = '\0';
} else if ((textLength > 0) && (IsKeyPressed(KEY_BACKSPACE) || (IsKeyDown(KEY_BACKSPACE) && (autoCursorCooldownCounter >= RAYGUI_TEXTBOX_AUTO_CURSOR_COOLDOWN))))
{ {
autoCursorDelayCounter++; autoCursorDelayCounter++;