/home/mrjunejune/zenbu: third_party/raylib/include/raygui.h comparison

comparison third_party/raylib/include/raygui.h @ 157:2db6253f355d

[ThirdParty] Added highlight library for better readability on blog.

author	June Park <parkjune1995@gmail.com>
date	Tue, 13 Jan 2026 19:18:47 -0800
parents	249881ceff7b
children	87d8d3eb3491

comparison

equal deleted inserted replaced

-:cd35e600ae34
+:2db6253f355d
 int alignmentV;
 int padding;
 } GuiTextStyle;
 */
+// Result from JUNE_GuiTextBoxEx - includes selection info
+typedef struct JUNE_TextBoxResult {
+int result;           // Original return value (0 = no change, 1 = mode changed)
+int selectionStart;   // Start index of selection (-1 if no selection)
+int selectionEnd;     // End index of selection (-1 if no selection)
+} JUNE_TextBoxResult;
 // Gui control state
 typedef enum {
 STATE_NORMAL = 0,
 STATE_FOCUSED,
 STATE_PRESSED,
 static Rectangle guiControlExclusiveRec = { 0 }; // Gui control exclusive bounds rectangle, used as an unique identifier
 static int textBoxCursorIndex = 0;              // Cursor index, shared by all GuiTextBox*()
 //static int blinkCursorFrameCounter = 0;       // Frame counter for cursor blinking
 static int autoCursorCounter = 0;               // Frame counter for automatic repeated cursor movement on key-down (cooldown and delay)
+static int textBoxSelectionStart = -1;          // Selection start index (-1 if no selection)
+static int textBoxSelectionEnd = -1;            // Selection end index (-1 if no selection)
+static bool textBoxSelecting = false;           // Currently selecting with mouse
 //----------------------------------------------------------------------------------
 // Style data array for all gui style properties (allocated on data segment by default)
 //
 // NOTE 1: First set of BASE properties are generic to all controls but could be individually
 //------------------------------------------------------------------
 return result;      // Button pressed: result = 1
 }
-int JUNE_GuiTextBox(Rectangle bounds, char *text, int textSize, bool editMode)
+JUNE_TextBoxResult JUNE_GuiTextBoxEx(Rectangle bounds, char *text, int textSize, bool editMode)
 {
 #if !defined(RAYGUI_TEXTBOX_AUTO_CURSOR_COOLDOWN)
 #define RAYGUI_TEXTBOX_AUTO_CURSOR_COOLDOWN  20        // Frames to wait for autocursor movement
 #endif
 #if !defined(RAYGUI_TEXTBOX_AUTO_CURSOR_DELAY)
 #define RAYGUI_TEXTBOX_AUTO_CURSOR_DELAY      1        // Frames delay for autocursor movement
 #endif
+#if !defined(JUNE_MAX_VISUAL_LINES)
-int result = 0;
+#define JUNE_MAX_VISUAL_LINES 256
+#endif
+JUNE_TextBoxResult resultStruct = { 0, -1, -1 };
 GuiState state = guiState;
-bool multiline = true; // TODO: Consider multiline text input
-int wrapMode = GuiGetStyle(DEFAULT, TEXT_WRAP_MODE);
 Rectangle textBounds = GetTextBounds(TEXTBOX, bounds);
-int textLength = (text != NULL)? (int)strlen(text) : 0; // Get current text length
+int textLength = (text != NULL) ? (int)strlen(text) : 0;
 int thisCursorIndex = textBoxCursorIndex;
 if (thisCursorIndex > textLength) thisCursorIndex = textLength;
-// Calculate cursor position for multiline
+// Line height for multiline
-int cursorLine = 0;  // Current line number (0-based)
+float lineHeight = GuiGetStyle(DEFAULT, TEXT_LINE_SPACING);
-int lineStart = 0;   // Start index of current line
+float scaleFactor = (float)GuiGetStyle(DEFAULT, TEXT_SIZE) / (float)guiFont.baseSize;
+float maxLineWidth = textBounds.width - 4; // Small margin
-if (multiline)
-{
+// Visual line structure: stores start index of each visual line
-for (int i = 0; i < thisCursorIndex; i++)
+int visualLineStarts[JUNE_MAX_VISUAL_LINES];
-{
+int visualLineCount = 0;
-if (text[i] == '\n')
-{
+// Calculate visual lines (accounting for word wrap)
-cursorLine++;
+if (textLength > 0 && maxLineWidth > 0)
-lineStart = i + 1;
+{
-}
+int lineStartIdx = 0;
-}
+visualLineStarts[visualLineCount++] = 0;
-}
+int idx = 0;
-// Calculate horizontal position within current line
+while (idx < textLength && visualLineCount < JUNE_MAX_VISUAL_LINES)
-char lineText[1024] = { 0 };
+{
-int lineTextLen = 0;
+// Check for hard newline
-if (multiline)
+if (text[idx] == '\n')
 {
-// Extract current line text up to cursor
+idx++;
-int i = lineStart;
+if (idx < textLength && visualLineCount < JUNE_MAX_VISUAL_LINES)
-while (i < thisCursorIndex && text[i] != '\n' && lineTextLen < 1023)
+{
-{
+visualLineStarts[visualLineCount++] = idx;
-lineText[lineTextLen++] = text[i++];
+lineStartIdx = idx;
 }
-lineText[lineTextLen] = '\0';
+continue;
 }
-int textWidth = multiline ? GuiGetTextWidth(lineText) : (GuiGetTextWidth(text) - GuiGetTextWidth(text + thisCursorIndex));
+// Calculate width from lineStartIdx to current position
-int textIndexOffset = 0; // Text index offset to start drawing in the box
+float currentWidth = 0;
+int lastSpaceIdx = -1;
-// Line height for multiline (matches GuiDrawText line spacing)
+int charIdx = lineStartIdx;
-int lineHeight = GuiGetStyle(DEFAULT, TEXT_SIZE);
+while (charIdx < textLength && text[charIdx] != '\n')
+{
+int cpSize = 0;
+int cp = GetCodepointNext(&text[charIdx], &cpSize);
+int glyphIdx = GetGlyphIndex(guiFont, cp);
+float glyphWidth;
+if (guiFont.glyphs[glyphIdx].advanceX == 0)
+glyphWidth = (float)guiFont.recs[glyphIdx].width * scaleFactor;
+else
+glyphWidth = (float)guiFont.glyphs[glyphIdx].advanceX * scaleFactor;
+if (text[charIdx] == ' ') lastSpaceIdx = charIdx;
+if (currentWidth + glyphWidth > maxLineWidth && charIdx > lineStartIdx)
+{
+// Need to wrap
+int wrapIdx;
+if (lastSpaceIdx > lineStartIdx)
+{
+// Wrap at last space
+wrapIdx = lastSpaceIdx + 1;
+}
+else
+{
+// No space found, wrap at current char
+wrapIdx = charIdx;
+}
+if (visualLineCount < JUNE_MAX_VISUAL_LINES)
+{
+visualLineStarts[visualLineCount++] = wrapIdx;
+lineStartIdx = wrapIdx;
+idx = wrapIdx;
+lastSpaceIdx = -1;
+}
+break;
+}
+currentWidth += glyphWidth + (float)GuiGetStyle(DEFAULT, TEXT_SPACING);
+charIdx += cpSize;
+}
+if (charIdx >= textLength || text[charIdx] == '\n')
+{
+idx = charIdx;
+}
+}
+}
+else
+{
+visualLineStarts[visualLineCount++] = 0;
+}
+// Helper: Find visual line for a given text index
+int cursorVisualLine = 0;
+for (int vl = visualLineCount - 1; vl >= 0; vl--)
+{
+if (thisCursorIndex >= visualLineStarts[vl])
+{
+cursorVisualLine = vl;
+break;
+}
+}
+// Helper: Get end of visual line (exclusive)
+int cursorLineStart = visualLineStarts[cursorVisualLine];
+int cursorLineEnd = (cursorVisualLine + 1 < visualLineCount) ? visualLineStarts[cursorVisualLine + 1] : textLength;
+// Adjust for newline at end
+if (cursorLineEnd > 0 && cursorLineEnd <= textLength && cursorLineEnd > cursorLineStart)
+{
+if (text[cursorLineEnd - 1] == '\n') cursorLineEnd--;
+}
+// Calculate cursor X position within visual line
+float cursorXOffset = 0;
+for (int k = cursorLineStart; k < thisCursorIndex && k < textLength; k++)
+{
+if (text[k] == '\n') break;
+int cpSize = 0;
+int cp = GetCodepointNext(&text[k], &cpSize);
+int glyphIdx = GetGlyphIndex(guiFont, cp);
+float glyphWidth;
+if (guiFont.glyphs[glyphIdx].advanceX == 0)
+glyphWidth = (float)guiFont.recs[glyphIdx].width * scaleFactor;
+else
+glyphWidth = (float)guiFont.glyphs[glyphIdx].advanceX * scaleFactor;
+cursorXOffset += glyphWidth + (float)GuiGetStyle(DEFAULT, TEXT_SPACING);
+}
 // Cursor rectangle
-// NOTE: Position X and Y values updated for multiline support
 Rectangle cursor = {
-textBounds.x + textWidth + GuiGetStyle(DEFAULT, TEXT_SPACING),
+textBounds.x + cursorXOffset,
-multiline ? (textBounds.y + cursorLine * lineHeight) : (textBounds.y + textBounds.height/2 - GuiGetStyle(DEFAULT, TEXT_SIZE)),
+textBounds.y + cursorVisualLine * lineHeight,
 2,
 (float)GuiGetStyle(DEFAULT, TEXT_SIZE)
 };
-if (cursor.height >= bounds.height) cursor.height = bounds.height - GuiGetStyle(TEXTBOX, BORDER_WIDTH)*2;
+if (cursor.height >= bounds.height) cursor.height = bounds.height - GuiGetStyle(TEXTBOX, BORDER_WIDTH) * 2;
 if (cursor.y < (bounds.y + GuiGetStyle(TEXTBOX, BORDER_WIDTH))) cursor.y = bounds.y + GuiGetStyle(TEXTBOX, BORDER_WIDTH);
-// Mouse cursor rectangle
-// NOTE: Initialized outside of screen
-Rectangle mouseCursor = cursor;
-mouseCursor.x = -1;
-mouseCursor.width = 1;
-// Blink-cursor frame counter
-//if (!autoCursorMode) blinkCursorFrameCounter++;
-//else blinkCursorFrameCounter = 0;
 // Update control
-//--------------------------------------------------------------------
+if ((state != STATE_DISABLED) &&
-// WARNING: Text editing is only supported under certain conditions:
+!GuiGetStyle(TEXTBOX, TEXT_READONLY) &&
-if ((state != STATE_DISABLED) &&                // Control not disabled
+!guiLocked &&
-!GuiGetStyle(TEXTBOX, TEXT_READONLY) &&     // TextBox not on read-only mode
+!guiControlExclusiveMode)
-!guiLocked &&                               // Gui not locked
-!guiControlExclusiveMode &&                       // No gui slider on dragging
-(wrapMode == TEXT_WRAP_NONE))               // No wrap mode
 {
 Vector2 mousePosition = GetMousePosition();
 if (editMode)
 {
-// GLOBAL: Auto-cursor movement logic
-// NOTE: Keystrokes are handled repeatedly when button is held down for some time
 if (IsKeyDown(KEY_LEFT) || IsKeyDown(KEY_RIGHT) || IsKeyDown(KEY_UP) || IsKeyDown(KEY_DOWN) || IsKeyDown(KEY_BACKSPACE) || IsKeyDown(KEY_DELETE)) autoCursorCounter++;
 else autoCursorCounter = 0;
 bool autoCursorShouldTrigger = (autoCursorCounter > RAYGUI_TEXTBOX_AUTO_CURSOR_COOLDOWN) && ((autoCursorCounter % RAYGUI_TEXTBOX_AUTO_CURSOR_DELAY) == 0);
+bool shiftDown = IsKeyDown(KEY_LEFT_SHIFT) || IsKeyDown(KEY_RIGHT_SHIFT);
 state = STATE_PRESSED;
 if (textBoxCursorIndex > textLength) textBoxCursorIndex = textLength;
-// If text does not fit in the textbox and current cursor position is out of bounds,
-// we add an index offset to text for drawing only what requires depending on cursor
-while (textWidth >= textBounds.width)
-{
-int nextCodepointSize = 0;
-GetCodepointNext(text + textIndexOffset, &nextCodepointSize);
-textIndexOffset += nextCodepointSize;
-textWidth = GuiGetTextWidth(text + textIndexOffset) - GuiGetTextWidth(text + textBoxCursorIndex);
-}
 int codepoint = GetCharPressed();       // Get Unicode codepoint
-if (multiline && IsKeyPressed(KEY_ENTER)) codepoint = (int)'\n';
+if (IsKeyPressed(KEY_ENTER))
+codepoint = (int)'\n';
 // Encode codepoint as UTF-8
 int codepointSize = 0;
 const char *charEncoded = CodepointToUTF8(codepoint, &codepointSize);
-// Handle text paste action
+// Helper macro to check if there's an active selection
-if (IsKeyPressed(KEY_V) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL)))
+#define HAS_SELECTION() (textBoxSelectionStart >= 0 && textBoxSelectionEnd >= 0 && textBoxSelectionStart != textBoxSelectionEnd)
-{
+#define SELECTION_MIN() ((textBoxSelectionStart < textBoxSelectionEnd) ? textBoxSelectionStart : textBoxSelectionEnd)
+#define SELECTION_MAX() ((textBoxSelectionStart > textBoxSelectionEnd) ? textBoxSelectionStart : textBoxSelectionEnd)
+// Ctrl+A: Select all
+if (IsKeyPressed(KEY_A) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL) || IsKeyDown(KEY_LEFT_SUPER)))
+{
+textBoxSelectionStart = 0;
+textBoxSelectionEnd = textLength;
+textBoxCursorIndex = textLength;
+}
+// Ctrl+C: Copy selection to clipboard
+else if (IsKeyPressed(KEY_C) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL) || IsKeyDown(KEY_LEFT_SUPER)))
+{
+if (HAS_SELECTION())
+{
+int selMin = SELECTION_MIN();
+int selMax = SELECTION_MAX();
+int selLen = selMax - selMin;
+char *clipText = (char *)RL_MALLOC(selLen + 1);
+if (clipText)
+{
+memcpy(clipText, text + selMin, selLen);
+clipText[selLen] = '\0';
+SetClipboardText(clipText);
+RL_FREE(clipText);
+}
+}
+}
+// Ctrl+X: Cut selection to clipboard
+else if (IsKeyPressed(KEY_X) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL) || IsKeyDown(KEY_LEFT_SUPER)))
+{
+if (HAS_SELECTION())
+{
+int selMin = SELECTION_MIN();
+int selMax = SELECTION_MAX();
+int selLen = selMax - selMin;
+// Copy to clipboard
+char *clipText = (char *)RL_MALLOC(selLen + 1);
+if (clipText)
+{
+memcpy(clipText, text + selMin, selLen);
+clipText[selLen] = '\0';
+SetClipboardText(clipText);
+RL_FREE(clipText);
+}
+// Delete selection
+for (int j = selMax; j <= textLength; j++) text[j - selLen] = text[j];
+textLength -= selLen;
+textBoxCursorIndex = selMin;
+textBoxSelectionStart = -1;
+textBoxSelectionEnd = -1;
+}
+}
+// Ctrl+V: Paste (delete selection first if any)
+else if (IsKeyPressed(KEY_V) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL) || IsKeyDown(KEY_LEFT_SUPER)))
+{
+// Delete selection first if any
+if (HAS_SELECTION())
+{
+int selMin = SELECTION_MIN();
+int selMax = SELECTION_MAX();
+int selLen = selMax - selMin;
+for (int j = selMax; j <= textLength; j++) text[j - selLen] = text[j];
+textLength -= selLen;
+textBoxCursorIndex = selMin;
+textBoxSelectionStart = -1;
+textBoxSelectionEnd = -1;
+}
 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;
+if (!((pasteCodepoint == (int)'\n')) && !(pasteCodepoint >= 32)) break;
 pasteLength += pasteCodepointSize;
 }
 if (pasteLength > 0)
 {
-// Move forward data from cursor position
+for (int j = textLength + pasteLength; j > textBoxCursorIndex; j--) text[j] = text[j - pasteLength];
-for (int i = textLength + pasteLength; i > textBoxCursorIndex; i--) text[i] = text[i - pasteLength];
+for (int j = 0; j < pasteLength; j++) text[textBoxCursorIndex + j] = pasteText[j];
-// Paste data in at cursor
-for (int i = 0; i < pasteLength; i++) text[textBoxCursorIndex + i] = pasteText[i];
 textBoxCursorIndex += pasteLength;
 textLength += pasteLength;
 text[textLength] = '\0';
 }
 }
 }
-else if (((multiline && (codepoint == (int)'\n')) || (codepoint >= 32)) && ((textLength + codepointSize) < textSize))
+else if ((((codepoint == (int)'\n')) || (codepoint >= 32)) && ((textLength + codepointSize) < textSize))
 {
+// Delete selection first if any
+if (HAS_SELECTION())
+{
+int selMin = SELECTION_MIN();
+int selMax = SELECTION_MAX();
+int selLen = selMax - selMin;
+for (int j = selMax; j <= textLength; j++) text[j - selLen] = text[j];
+textLength -= selLen;
+textBoxCursorIndex = selMin;
+textBoxSelectionStart = -1;
+textBoxSelectionEnd = -1;
+}
 // Adding codepoint to text, at current cursor position
+if ((textLength + codepointSize) < textSize)
-// Move forward data from cursor position
+{
-for (int i = (textLength + codepointSize); i > textBoxCursorIndex; i--) text[i] = text[i - codepointSize];
+for (int j = (textLength + codepointSize); j > textBoxCursorIndex; j--) text[j] = text[j - codepointSize];
+for (int j = 0; j < codepointSize; j++) text[textBoxCursorIndex + j] = charEncoded[j];
-// Add new codepoint in current cursor position
-for (int i = 0; i < codepointSize; i++) text[textBoxCursorIndex + i] = charEncoded[i];
+textBoxCursorIndex += codepointSize;
+textLength += codepointSize;
-textBoxCursorIndex += codepointSize;
+text[textLength] = '\0';
-textLength += codepointSize;
+}
+}
-// Make sure text last character is EOL
-text[textLength] = '\0';
+#undef HAS_SELECTION
-}
+#undef SELECTION_MIN
+#undef SELECTION_MAX
-// Move cursor to start
-if ((textLength > 0) && IsKeyPressed(KEY_HOME)) textBoxCursorIndex = 0;
+// Move cursor to start (with Shift selection support)
+if ((textLength > 0) && IsKeyPressed(KEY_HOME))
-// Move cursor to end
+{
-if ((textLength > textBoxCursorIndex) && IsKeyPressed(KEY_END)) textBoxCursorIndex = textLength;
+if (shiftDown && textBoxSelectionStart < 0) textBoxSelectionStart = textBoxCursorIndex;
+textBoxCursorIndex = 0;
-// Delete related codepoints from text, after current cursor position
+if (shiftDown) textBoxSelectionEnd = textBoxCursorIndex;
-if ((textLength > textBoxCursorIndex) && IsKeyPressed(KEY_DELETE) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL)))
+else { textBoxSelectionStart = -1; textBoxSelectionEnd = -1; }
+}
+// Move cursor to end (with Shift selection support)
+if ((textLength > textBoxCursorIndex) && IsKeyPressed(KEY_END))
+{
+if (shiftDown && textBoxSelectionStart < 0) textBoxSelectionStart = textBoxCursorIndex;
+textBoxCursorIndex = textLength;
+if (shiftDown) textBoxSelectionEnd = textBoxCursorIndex;
+else { textBoxSelectionStart = -1; textBoxSelectionEnd = -1; }
+}
+// Delete selection if any (on Delete or Backspace)
+if ((textBoxSelectionStart >= 0 && textBoxSelectionEnd >= 0 && textBoxSelectionStart != textBoxSelectionEnd) &&
+(IsKeyPressed(KEY_DELETE) || IsKeyPressed(KEY_BACKSPACE)))
+{
+int selMin = (textBoxSelectionStart < textBoxSelectionEnd) ? textBoxSelectionStart : textBoxSelectionEnd;
+int selMax = (textBoxSelectionStart > textBoxSelectionEnd) ? textBoxSelectionStart : textBoxSelectionEnd;
+int selLen = selMax - selMin;
+for (int j = selMax; j <= textLength; j++) text[j - selLen] = text[j];
+textLength -= selLen;
+textBoxCursorIndex = selMin;
+textBoxSelectionStart = -1;
+textBoxSelectionEnd = -1;
+}
+// Ctrl+Delete: Delete word after cursor
+else if ((textLength > textBoxCursorIndex) && IsKeyPressed(KEY_DELETE) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL)))
 {
 int offset = textBoxCursorIndex;
 int accCodepointSize = 0;
 int nextCodepointSize;
 int nextCodepoint;
-// Check characters of the same type to delete (either ASCII punctuation or anything non-whitespace)
-// Not using isalnum() since it only works on ASCII characters
 nextCodepoint = GetCodepointNext(text + offset, &nextCodepointSize);
 bool puctuation = ispunct(nextCodepoint & 0xff);
 while (offset < textLength)
 {
 if ((puctuation && !ispunct(nextCodepoint & 0xff)) || (!puctuation && (isspace(nextCodepoint & 0xff) || ispunct(nextCodepoint & 0xff))))
 offset += nextCodepointSize;
 accCodepointSize += nextCodepointSize;
 nextCodepoint = GetCodepointNext(text + offset, &nextCodepointSize);
 }
-// Check whitespace to delete (ASCII only)
 while (offset < textLength)
 {
 if (!isspace(nextCodepoint & 0xff)) break;
 offset += nextCodepointSize;
 accCodepointSize += nextCodepointSize;
 nextCodepoint = GetCodepointNext(text + offset, &nextCodepointSize);
 }
-// Move text after cursor forward (including final null terminator)
 for (int i = offset; i <= textLength; i++) text[i - accCodepointSize] = text[i];
 textLength -= accCodepointSize;
 }
+// Delete single character after cursor
 else if ((textLength > textBoxCursorIndex) && (IsKeyPressed(KEY_DELETE) || (IsKeyDown(KEY_DELETE) && autoCursorShouldTrigger)))
 {
-// Delete single codepoint from text, after current cursor position
 int nextCodepointSize = 0;
 GetCodepointNext(text + textBoxCursorIndex, &nextCodepointSize);
-// Move text after cursor forward (including final null terminator)
 for (int i = textBoxCursorIndex + nextCodepointSize; i <= textLength; i++) text[i - nextCodepointSize] = text[i];
 textLength -= nextCodepointSize;
 }
+// Ctrl+Backspace: Delete word before cursor
-// Delete related codepoints from text, before current cursor position
+else if ((textBoxCursorIndex > 0) && IsKeyPressed(KEY_BACKSPACE) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL)))
-if ((textBoxCursorIndex > 0) && IsKeyPressed(KEY_BACKSPACE) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL)))
 {
 int offset = textBoxCursorIndex;
 int accCodepointSize = 0;
 int prevCodepointSize = 0;
 int prevCodepoint = 0;
-// Check whitespace to delete (ASCII only)
 while (offset > 0)
 {
 prevCodepoint = GetCodepointPrevious(text + offset, &prevCodepointSize);
 if (!isspace(prevCodepoint & 0xff)) break;
 offset -= prevCodepointSize;
 accCodepointSize += prevCodepointSize;
 }
-// Check characters of the same type to delete (either ASCII punctuation or anything non-whitespace)
-// Not using isalnum() since it only works on ASCII characters
 bool puctuation = ispunct(prevCodepoint & 0xff);
 while (offset > 0)
 {
 prevCodepoint = GetCodepointPrevious(text + offset, &prevCodepointSize);
 if ((puctuation && !ispunct(prevCodepoint & 0xff)) || (!puctuation && (isspace(prevCodepoint & 0xff) || ispunct(prevCodepoint & 0xff)))) break;
 offset -= prevCodepointSize;
 accCodepointSize += prevCodepointSize;
 }
-// Move text after cursor forward (including final null terminator)
 for (int i = textBoxCursorIndex; i <= textLength; i++) text[i - accCodepointSize] = text[i];
 textLength -= accCodepointSize;
 textBoxCursorIndex -= accCodepointSize;
 }
+// Backspace single character before cursor
 else if ((textBoxCursorIndex > 0) && (IsKeyPressed(KEY_BACKSPACE) || (IsKeyDown(KEY_BACKSPACE) && autoCursorShouldTrigger)))
 {
-// Delete single codepoint from text, before current cursor position
 int prevCodepointSize = 0;
 GetCodepointPrevious(text + textBoxCursorIndex, &prevCodepointSize);
-// Move text after cursor forward (including final null terminator)
 for (int i = textBoxCursorIndex; i <= textLength; i++) text[i - prevCodepointSize] = text[i];
 textLength -= prevCodepointSize;
 textBoxCursorIndex -= prevCodepointSize;
 }
-// Move cursor position with keys
+// Move cursor position with keys (with Shift selection support)
 if ((textBoxCursorIndex > 0) && IsKeyPressed(KEY_LEFT) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL)))
 {
+if (shiftDown && textBoxSelectionStart < 0) textBoxSelectionStart = textBoxCursorIndex;
 int offset = textBoxCursorIndex;
-//int accCodepointSize = 0;
 int prevCodepointSize = 0;
 int prevCodepoint = 0;
-// Check whitespace to skip (ASCII only)
 while (offset > 0)
 {
 prevCodepoint = GetCodepointPrevious(text + offset, &prevCodepointSize);
 if (!isspace(prevCodepoint & 0xff)) break;
 offset -= prevCodepointSize;
-//accCodepointSize += prevCodepointSize;
+}
-}
-// Check characters of the same type to skip (either ASCII punctuation or anything non-whitespace)
-// Not using isalnum() since it only works on ASCII characters
 bool puctuation = ispunct(prevCodepoint & 0xff);
 while (offset > 0)
 {
 prevCodepoint = GetCodepointPrevious(text + offset, &prevCodepointSize);
 if ((puctuation && !ispunct(prevCodepoint & 0xff)) || (!puctuation && (isspace(prevCodepoint & 0xff) || ispunct(prevCodepoint & 0xff)))) break;
 offset -= prevCodepointSize;
-//accCodepointSize += prevCodepointSize;
 }
 textBoxCursorIndex = offset;
+if (shiftDown) textBoxSelectionEnd = textBoxCursorIndex;
+else { textBoxSelectionStart = -1; textBoxSelectionEnd = -1; }
 }
 else if ((textBoxCursorIndex > 0) && (IsKeyPressed(KEY_LEFT) || (IsKeyDown(KEY_LEFT) && autoCursorShouldTrigger)))
 {
+if (shiftDown && textBoxSelectionStart < 0) textBoxSelectionStart = textBoxCursorIndex;
 int prevCodepointSize = 0;
 GetCodepointPrevious(text + textBoxCursorIndex, &prevCodepointSize);
 textBoxCursorIndex -= prevCodepointSize;
+if (shiftDown) textBoxSelectionEnd = textBoxCursorIndex;
+else { textBoxSelectionStart = -1; textBoxSelectionEnd = -1; }
 }
 else if ((textLength > textBoxCursorIndex) && IsKeyPressed(KEY_RIGHT) && (IsKeyDown(KEY_LEFT_CONTROL) || IsKeyDown(KEY_RIGHT_CONTROL)))
 {
+if (shiftDown && textBoxSelectionStart < 0) textBoxSelectionStart = textBoxCursorIndex;
 int offset = textBoxCursorIndex;
-//int accCodepointSize = 0;
 int nextCodepointSize;
 int nextCodepoint;
-// Check characters of the same type to skip (either ASCII punctuation or anything non-whitespace)
-// Not using isalnum() since it only works on ASCII characters
 nextCodepoint = GetCodepointNext(text + offset, &nextCodepointSize);
 bool puctuation = ispunct(nextCodepoint & 0xff);
 while (offset < textLength)
 {
 if ((puctuation && !ispunct(nextCodepoint & 0xff)) || (!puctuation && (isspace(nextCodepoint & 0xff) || ispunct(nextCodepoint & 0xff)))) break;
 offset += nextCodepointSize;
-//accCodepointSize += nextCodepointSize;
 nextCodepoint = GetCodepointNext(text + offset, &nextCodepointSize);
 }
-// Check whitespace to skip (ASCII only)
 while (offset < textLength)
 {
 if (!isspace(nextCodepoint & 0xff)) break;
 offset += nextCodepointSize;
-//accCodepointSize += nextCodepointSize;
 nextCodepoint = GetCodepointNext(text + offset, &nextCodepointSize);
 }
 textBoxCursorIndex = offset;
+if (shiftDown) textBoxSelectionEnd = textBoxCursorIndex;
+else { textBoxSelectionStart = -1; textBoxSelectionEnd = -1; }
 }
 else if ((textLength > textBoxCursorIndex) && (IsKeyPressed(KEY_RIGHT) || (IsKeyDown(KEY_RIGHT) && autoCursorShouldTrigger)))
 {
+if (shiftDown && textBoxSelectionStart < 0) textBoxSelectionStart = textBoxCursorIndex;
 int nextCodepointSize = 0;
 GetCodepointNext(text + textBoxCursorIndex, &nextCodepointSize);
 textBoxCursorIndex += nextCodepointSize;
-}
+if (shiftDown) textBoxSelectionEnd = textBoxCursorIndex;
-// Vertical cursor movement for multiline
+else { textBoxSelectionStart = -1; textBoxSelectionEnd = -1; }
-if (multiline && (IsKeyPressed(KEY_UP) || (IsKeyDown(KEY_UP) && autoCursorShouldTrigger)))
+}
-{
-// Find start of current line
+// Vertical cursor movement using visual lines (with Shift selection support)
-int currentLineStart = textBoxCursorIndex;
+if ((IsKeyPressed(KEY_UP) || (IsKeyDown(KEY_UP) && autoCursorShouldTrigger)))
-while (currentLineStart > 0 && text[currentLineStart - 1] != '\n') currentLineStart--;
+{
+if (shiftDown && textBoxSelectionStart < 0) textBoxSelectionStart = textBoxCursorIndex;
-// Calculate horizontal position in current line
-int horizontalPos = textBoxCursorIndex - currentLineStart;
+// Find current visual line
+int currVisLine = 0;
-// Find start of previous line
+for (int vl = visualLineCount - 1; vl >= 0; vl--)
-if (currentLineStart > 0)
+{
-{
+if (textBoxCursorIndex >= visualLineStarts[vl]) { currVisLine = vl; break; }
-int prevLineEnd = currentLineStart - 1; // Skip the newline
+}
-int prevLineStart = prevLineEnd;
-while (prevLineStart > 0 && text[prevLineStart - 1] != '\n') prevLineStart--;
+// Calculate X offset in current line
+int currLineStart = visualLineStarts[currVisLine];
-// Move to same horizontal position on previous line (or end of line if shorter)
+float xOffset = 0;
-int prevLineLength = prevLineEnd - prevLineStart;
+for (int k = currLineStart; k < textBoxCursorIndex && k < textLength; k++)
-int targetPos = (horizontalPos < prevLineLength) ? horizontalPos : prevLineLength;
+{
-textBoxCursorIndex = prevLineStart + targetPos;
+if (text[k] == '\n') break;
+int cpSize = 0;
+int cp = GetCodepointNext(&text[k], &cpSize);
+int gi = GetGlyphIndex(guiFont, cp);
+float gw = (guiFont.glyphs[gi].advanceX == 0) ? (float)guiFont.recs[gi].width * scaleFactor : (float)guiFont.glyphs[gi].advanceX * scaleFactor;
+xOffset += gw + (float)GuiGetStyle(DEFAULT, TEXT_SPACING);
+}
+if (currVisLine > 0)
+{
+// Move to previous visual line at same X position
+int prevLineStart = visualLineStarts[currVisLine - 1];
+int prevLineEnd = visualLineStarts[currVisLine];
+if (prevLineEnd > 0 && text[prevLineEnd - 1] == '\n') prevLineEnd--;
+float accum = 0;
+textBoxCursorIndex = prevLineStart;
+for (int k = prevLineStart; k < prevLineEnd; )
+{
+int cpSize = 0;
+int cp = GetCodepointNext(&text[k], &cpSize);
+int gi = GetGlyphIndex(guiFont, cp);
+float gw = (guiFont.glyphs[gi].advanceX == 0) ? (float)guiFont.recs[gi].width * scaleFactor : (float)guiFont.glyphs[gi].advanceX * scaleFactor;
+if (accum + gw / 2 >= xOffset) break;
+accum += gw + (float)GuiGetStyle(DEFAULT, TEXT_SPACING);
+textBoxCursorIndex = k + cpSize;
+k += cpSize;
+}
 }
 else
 {
-// Already on first line, move to start
 textBoxCursorIndex = 0;
 }
-}
-else if (multiline && (IsKeyPressed(KEY_DOWN) || (IsKeyDown(KEY_DOWN) && autoCursorShouldTrigger)))
+if (shiftDown) textBoxSelectionEnd = textBoxCursorIndex;
-{
+else { textBoxSelectionStart = -1; textBoxSelectionEnd = -1; }
-// Find start of current line
+}
-int currentLineStart = textBoxCursorIndex;
+else if ((IsKeyPressed(KEY_DOWN) || (IsKeyDown(KEY_DOWN) && autoCursorShouldTrigger)))
-while (currentLineStart > 0 && text[currentLineStart - 1] != '\n') currentLineStart--;
+{
+if (shiftDown && textBoxSelectionStart < 0) textBoxSelectionStart = textBoxCursorIndex;
-// Calculate horizontal position in current line
-int horizontalPos = textBoxCursorIndex - currentLineStart;
+// Find current visual line
+int currVisLine = 0;
-// Find end of current line
+for (int vl = visualLineCount - 1; vl >= 0; vl--)
-int currentLineEnd = textBoxCursorIndex;
+{
-while (currentLineEnd < textLength && text[currentLineEnd] != '\n') currentLineEnd++;
+if (textBoxCursorIndex >= visualLineStarts[vl]) { currVisLine = vl; break; }
+}
-// Find next line
-if (currentLineEnd < textLength)
+// Calculate X offset in current line
-{
+int currLineStart = visualLineStarts[currVisLine];
-int nextLineStart = currentLineEnd + 1; // Skip the newline
+float xOffset = 0;
-int nextLineEnd = nextLineStart;
+for (int k = currLineStart; k < textBoxCursorIndex && k < textLength; k++)
-while (nextLineEnd < textLength && text[nextLineEnd] != '\n') nextLineEnd++;
+{
+if (text[k] == '\n') break;
-// Move to same horizontal position on next line (or end of line if shorter)
+int cpSize = 0;
-int nextLineLength = nextLineEnd - nextLineStart;
+int cp = GetCodepointNext(&text[k], &cpSize);
-int targetPos = (horizontalPos < nextLineLength) ? horizontalPos : nextLineLength;
+int gi = GetGlyphIndex(guiFont, cp);
-textBoxCursorIndex = nextLineStart + targetPos;
+float gw = (guiFont.glyphs[gi].advanceX == 0) ? (float)guiFont.recs[gi].width * scaleFactor : (float)guiFont.glyphs[gi].advanceX * scaleFactor;
+xOffset += gw + (float)GuiGetStyle(DEFAULT, TEXT_SPACING);
+}
+if (currVisLine < visualLineCount - 1)
+{
+// Move to next visual line at same X position
+int nextLineStart = visualLineStarts[currVisLine + 1];
+int nextLineEnd = (currVisLine + 2 < visualLineCount) ? visualLineStarts[currVisLine + 2] : textLength;
+if (nextLineEnd > nextLineStart && text[nextLineEnd - 1] == '\n') nextLineEnd--;
+float accum = 0;
+textBoxCursorIndex = nextLineStart;
+for (int k = nextLineStart; k < nextLineEnd; )
+{
+int cpSize = 0;
+int cp = GetCodepointNext(&text[k], &cpSize);
+int gi = GetGlyphIndex(guiFont, cp);
+float gw = (guiFont.glyphs[gi].advanceX == 0) ? (float)guiFont.recs[gi].width * scaleFactor : (float)guiFont.glyphs[gi].advanceX * scaleFactor;
+if (accum + gw / 2 >= xOffset) break;
+accum += gw + (float)GuiGetStyle(DEFAULT, TEXT_SPACING);
+textBoxCursorIndex = k + cpSize;
+k += cpSize;
+}
 }
 else
 {
-// Already on last line, move to end
 textBoxCursorIndex = textLength;
 }
-}
+if (shiftDown) textBoxSelectionEnd = textBoxCursorIndex;
-// Move cursor position with mouse
+else { textBoxSelectionStart = -1; textBoxSelectionEnd = -1; }
-if (CheckCollisionPointRec(mousePosition, textBounds))     // Mouse hover text
+}
-{
-float scaleFactor = (float)GuiGetStyle(DEFAULT, TEXT_SIZE)/(float)guiFont.baseSize;
+// Move cursor position with mouse using visual lines
-int codepointIndex = 0;
+{
-float glyphWidth = 0.0f;
-float widthToMouseX = 0;
 int mouseCursorIndex = 0;
+bool mouseInBounds = CheckCollisionPointRec(mousePosition, textBounds);
-for (int i = textIndexOffset; i < textLength; i += codepointSize)
+bool shouldCalculateMousePos = mouseInBounds || textBoxSelecting;
-{
-codepoint = GetCodepointNext(&text[i], &codepointSize);
+if (shouldCalculateMousePos && textLength > 0)
-codepointIndex = GetGlyphIndex(guiFont, codepoint);
+{
+// Determine which visual line the mouse is on
-if (guiFont.glyphs[codepointIndex].advanceX == 0) glyphWidth = ((float)guiFont.recs[codepointIndex].width*scaleFactor);
+int mouseLine = (int)((mousePosition.y - textBounds.y) / lineHeight);
-else glyphWidth = ((float)guiFont.glyphs[codepointIndex].advanceX*scaleFactor);
+if (mouseLine < 0) mouseLine = 0;
+if (mouseLine >= visualLineCount) mouseLine = visualLineCount - 1;
-if (mousePosition.x <= (textBounds.x + (widthToMouseX + glyphWidth/2)))
+// Get the start and end of the target visual line
+int targetLineStart = visualLineStarts[mouseLine];
+int targetLineEnd = (mouseLine + 1 < visualLineCount) ? visualLineStarts[mouseLine + 1] : textLength;
+if (targetLineEnd > targetLineStart && text[targetLineEnd - 1] == '\n') targetLineEnd--;
+// Find character position within the line based on mouse X
+float relativeMouseX = mousePosition.x - textBounds.x;
+if (relativeMouseX < 0) relativeMouseX = 0;
+float widthAccum = 0;
+mouseCursorIndex = targetLineStart;
+for (int k = targetLineStart; k < targetLineEnd; )
 {
-mouseCursor.x = textBounds.x + widthToMouseX;
+if (text[k] == '\n') break;
-mouseCursorIndex = i;
+int cpSize = 0;
-printf("before: %i\n", mouseCursorIndex);
+int cp = GetCodepointNext(&text[k], &cpSize);
-break;
+int gi = GetGlyphIndex(guiFont, cp);
+float gw;
+if (guiFont.glyphs[gi].advanceX == 0)
+gw = (float)guiFont.recs[gi].width * scaleFactor;
+else
+gw = (float)guiFont.glyphs[gi].advanceX * scaleFactor;
+float charMidpoint = widthAccum + gw / 2.0f;
+if (relativeMouseX <= charMidpoint)
+{
+mouseCursorIndex = k;
+break;
+}
+widthAccum += gw + (float)GuiGetStyle(DEFAULT, TEXT_SPACING);
+mouseCursorIndex = k + cpSize;
+k += cpSize;
 }
-if (mousePosition.y >= textBounds.y  && mousePosition.y <= textBounds.height)
+// Clamp to line end
-{
+if (mouseCursorIndex > targetLineEnd) mouseCursorIndex = targetLineEnd;
-mouseCursor.y = mousePosition.y;
+}
-mouseCursorIndex = i;
+else if (shouldCalculateMousePos)
-int number_of_n = (int)(mousePosition.y / lineHeight);
+{
-for (int i = 0; i < textSize; i++)
+mouseCursorIndex = 0;
-{
+}
-if (text[i] == '\n')
-{
+// Mouse selection: start selection on mouse press (only when in bounds)
-number_of_n--;
+if (mouseInBounds && IsMouseButtonPressed(MOUSE_LEFT_BUTTON))
-if (number_of_n == 0)
+{
-mouseCursorIndex += i;
-}
-}
-break;
-}
-widthToMouseX += (glyphWidth + (float)GuiGetStyle(DEFAULT, TEXT_SPACING));
-}
-// Check if mouse cursor is at the last position
-int textEndWidth = GuiGetTextWidth(text + textIndexOffset);
-if (GetMousePosition().x >= (textBounds.x + textEndWidth - glyphWidth/2))
-{
-mouseCursor.x = textBounds.x + textEndWidth;
-mouseCursorIndex = textLength;
-}
-// Place cursor at required index on mouse click
-if ((mouseCursor.x >= 0) && IsMouseButtonPressed(MOUSE_LEFT_BUTTON))
-{
-cursor.x = mouseCursor.x;
 textBoxCursorIndex = mouseCursorIndex;
-}
+textBoxSelectionStart = mouseCursorIndex;
-}
+textBoxSelectionEnd = mouseCursorIndex;
-else mouseCursor.x = -1;
+textBoxSelecting = true;
+}
-// Recalculate cursor position for multiline
+// Mouse selection: update selection while dragging (even outside bounds)
-if (multiline)
+else if (textBoxSelecting && IsMouseButtonDown(MOUSE_LEFT_BUTTON))
 {
-// Recalculate cursor line and position
+textBoxSelectionEnd = mouseCursorIndex;
-int newCursorLine = 0;
+textBoxCursorIndex = mouseCursorIndex;
-int newLineStart = 0;
+}
+}
-for (int i = 0; i < textBoxCursorIndex; i++)
-{
+// End mouse selection when button released
-if (text[i] == '\n')
+if (IsMouseButtonReleased(MOUSE_LEFT_BUTTON))
 {
-newCursorLine++;
+textBoxSelecting = false;
-newLineStart = i + 1;
+}
-}
-}
+// Recalculate cursor position using visual lines
+// (Visual lines already calculated at the start - need to recalculate after any changes)
-// Extract current line text up to cursor
+int newCursorVisLine = 0;
-char currentLineText[1024] = { 0 };
+for (int vl = visualLineCount - 1; vl >= 0; vl--)
-int currentLineLen = 0;
+{
-int i = newLineStart;
+if (textBoxCursorIndex >= visualLineStarts[vl]) { newCursorVisLine = vl; break; }
-while (i < textBoxCursorIndex && text[i] != '\n' && currentLineLen < 1023)
+}
-{
-currentLineText[currentLineLen++] = text[i++];
+int newCursorLineStart = visualLineStarts[newCursorVisLine];
-}
+float newCursorXOffset = 0;
-currentLineText[currentLineLen] = '\0';
+for (int k = newCursorLineStart; k < textBoxCursorIndex && k < textLength; k++)
+{
-cursor.x = bounds.x + GuiGetStyle(TEXTBOX, TEXT_PADDING) + GuiGetTextWidth(currentLineText) + GuiGetStyle(DEFAULT, TEXT_SPACING);
+if (text[k] == '\n') break;
-cursor.y = textBounds.y + (newCursorLine * lineHeight * 1.5);
+int cpSize = 0;
-}
+int cp = GetCodepointNext(&text[k], &cpSize);
-else
+int gi = GetGlyphIndex(guiFont, cp);
-{
+float gw = (guiFont.glyphs[gi].advanceX == 0) ? (float)guiFont.recs[gi].width * scaleFactor : (float)guiFont.glyphs[gi].advanceX * scaleFactor;
-cursor.x = bounds.x + GuiGetStyle(TEXTBOX, TEXT_PADDING) + GuiGetTextWidth(text + textIndexOffset) - GuiGetTextWidth(text + textBoxCursorIndex) + GuiGetStyle(DEFAULT, TEXT_SPACING);
+newCursorXOffset += gw + (float)GuiGetStyle(DEFAULT, TEXT_SPACING);
 }
+cursor.x = textBounds.x + newCursorXOffset;
+cursor.y = textBounds.y + newCursorVisLine * lineHeight;
 // Finish text editing on ENTER or mouse click outside bounds
-if ((!multiline && IsKeyPressed(KEY_ENTER)) ||
+if ((!CheckCollisionPointRec(mousePosition, bounds) && IsMouseButtonPressed(MOUSE_LEFT_BUTTON)))
-(!CheckCollisionPointRec(mousePosition, bounds) && IsMouseButtonPressed(MOUSE_LEFT_BUTTON)))
 {
 textBoxCursorIndex = 0;     // GLOBAL: Reset the shared cursor index
 autoCursorCounter = 0;      // GLOBAL: Reset counter for repeated keystrokes
-result = 1;
+textBoxSelectionStart = -1;
+textBoxSelectionEnd = -1;
+textBoxSelecting = false;
+resultStruct.result = 1;
 }
 }
 else
 {
 if (CheckCollisionPointRec(mousePosition, bounds))
 if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON))
 {
 textBoxCursorIndex = textLength;   // GLOBAL: Place cursor index to the end of current text
 autoCursorCounter = 0;             // GLOBAL: Reset counter for repeated keystrokes
-result = 1;
+textBoxSelectionStart = -1;
+textBoxSelectionEnd = -1;
+resultStruct.result = 1;
 }
 }
 }
 }
 //--------------------------------------------------------------------
 {
 GuiDrawRectangle(bounds, 0, GetColor(GuiGetStyle(TEXTBOX, BORDER + (state*3))), GetColor(GuiGetStyle(TEXTBOX, BASE_COLOR_DISABLED)));
 }
 else GuiDrawRectangle(bounds, 0, GetColor(GuiGetStyle(TEXTBOX, BORDER + (state*3))),  GetColor(GuiGetStyle(TEXTBOX, BASE_COLOR_PRESSED)));
-// Draw text considering index offset if required
+// Draw selection highlight using visual lines
-// NOTE: Text index offset depends on cursor position
+if (editMode && textBoxSelectionStart >= 0 && textBoxSelectionEnd >= 0 && textBoxSelectionStart != textBoxSelectionEnd)
-// Set vertical alignment to top for multiline
+{
+int selMin = (textBoxSelectionStart < textBoxSelectionEnd) ? textBoxSelectionStart : textBoxSelectionEnd;
+int selMax = (textBoxSelectionStart > textBoxSelectionEnd) ? textBoxSelectionStart : textBoxSelectionEnd;
+// Find visual line for selection start
+int selStartVisLine = 0;
+for (int vl = visualLineCount - 1; vl >= 0; vl--)
+{
+if (selMin >= visualLineStarts[vl]) { selStartVisLine = vl; break; }
+}
+// Find visual line for selection end
+int selEndVisLine = 0;
+for (int vl = visualLineCount - 1; vl >= 0; vl--)
+{
+if (selMax >= visualLineStarts[vl]) { selEndVisLine = vl; break; }
+}
+Color selectionColor = (Color){ 100, 150, 255, 100 };
+// Draw selection for each visual line in range
+for (int vl = selStartVisLine; vl <= selEndVisLine; vl++)
+{
+int vlStart = visualLineStarts[vl];
+int vlEnd = (vl + 1 < visualLineCount) ? visualLineStarts[vl + 1] : textLength;
+if (vlEnd > vlStart && vlEnd <= textLength && text[vlEnd - 1] == '\n') vlEnd--;
+// Determine selection bounds within this visual line
+int drawStart = (vl == selStartVisLine) ? selMin : vlStart;
+int drawEnd = (vl == selEndVisLine) ? selMax : vlEnd;
+// Calculate X positions
+float xStart = 0;
+for (int k = vlStart; k < drawStart && k < textLength; k++)
+{
+if (text[k] == '\n') break;
+int cpSize = 0;
+int cp = GetCodepointNext(&text[k], &cpSize);
+int gi = GetGlyphIndex(guiFont, cp);
+float gw = (guiFont.glyphs[gi].advanceX == 0) ? (float)guiFont.recs[gi].width * scaleFactor : (float)guiFont.glyphs[gi].advanceX * scaleFactor;
+xStart += gw + (float)GuiGetStyle(DEFAULT, TEXT_SPACING);
+}
+float xEnd = 0;
+for (int k = vlStart; k < drawEnd && k < textLength; k++)
+{
+if (text[k] == '\n') break;
+int cpSize = 0;
+int cp = GetCodepointNext(&text[k], &cpSize);
+int gi = GetGlyphIndex(guiFont, cp);
+float gw = (guiFont.glyphs[gi].advanceX == 0) ? (float)guiFont.recs[gi].width * scaleFactor : (float)guiFont.glyphs[gi].advanceX * scaleFactor;
+xEnd += gw + (float)GuiGetStyle(DEFAULT, TEXT_SPACING);
+}
+Rectangle selRect = {
+textBounds.x + xStart,
+textBounds.y + vl * lineHeight,
+xEnd - xStart,
+(float)GuiGetStyle(DEFAULT, TEXT_SIZE)
+};
+GuiDrawRectangle(selRect, 0, BLANK, selectionColor);
+}
+}
+// Draw text with word wrap enabled
 int prevVerticalAlignment = GuiGetStyle(DEFAULT, TEXT_ALIGNMENT_VERTICAL);
-if (multiline) GuiSetStyle(DEFAULT, TEXT_ALIGNMENT_VERTICAL, TEXT_ALIGN_TOP);
+int prevWrapMode = GuiGetStyle(DEFAULT, TEXT_WRAP_MODE);
+GuiSetStyle(DEFAULT, TEXT_ALIGNMENT_VERTICAL, TEXT_ALIGN_TOP);
-GuiDrawText(text + textIndexOffset, textBounds, GuiGetStyle(TEXTBOX, TEXT_ALIGNMENT), GetColor(GuiGetStyle(TEXTBOX, TEXT + (state*3))));
+GuiSetStyle(DEFAULT, TEXT_WRAP_MODE, TEXT_WRAP_CHAR);
-// Restore previous vertical alignment
+GuiDrawText(text, textBounds, GuiGetStyle(TEXTBOX, TEXT_ALIGNMENT), GetColor(GuiGetStyle(TEXTBOX, TEXT + (state*3))));
-if (multiline) GuiSetStyle(DEFAULT, TEXT_ALIGNMENT_VERTICAL, prevVerticalAlignment);
+// Restore previous settings
+GuiSetStyle(DEFAULT, TEXT_ALIGNMENT_VERTICAL, prevVerticalAlignment);
+GuiSetStyle(DEFAULT, TEXT_WRAP_MODE, prevWrapMode);
 // Draw cursor
 if (editMode && !GuiGetStyle(TEXTBOX, TEXT_READONLY))
 {
 //if (autoCursorMode || ((blinkCursorFrameCounter/40)%2 == 0))
 // if (mouseCursor.x >= 0) GuiDrawRectangle(mouseCursor, 0, BLANK, GetColor(GuiGetStyle(TEXTBOX, BORDER_COLOR_PRESSED)));
 }
 else if (state == STATE_FOCUSED) GuiTooltip(bounds);
 //--------------------------------------------------------------------
-return result;      // Mouse button pressed: result = 1
+// Return selection info
+resultStruct.selectionStart = textBoxSelectionStart;
+resultStruct.selectionEnd = textBoxSelectionEnd;
+return resultStruct;
 }
 void JUNE_DrawRectangleLinesNoBottom(Rectangle rect, float thickness, Color color) {
 Vector2 topLeft     = { rect.x, rect.y };
 Vector2 topRight    = { rect.x + rect.width, rect.y };

Mercurial

comparison third_party/raylib/include/raygui.h @ 157:2db6253f355d