Text editing cursors now blink.

dvx/dvxApp.c

@@ -1638,6 +1638,7 @@ bool dvxUpdate(AppContextT *ctx) {
     dispatchEvents(ctx);
     updateTooltip(ctx);
     pollAnsiTermWidgets(ctx);
+    wgtUpdateCursorBlink();
 
     ctx->frameCount++;
 

dvx/dvxWidget.h

@@ -876,6 +876,11 @@ int32_t wgtAnsiTermRepaint(WidgetT *w, int32_t *outY, int32_t *outH);
 // function call.
 struct AppContextT *wgtGetContext(const WidgetT *w);
 
+// Update text cursor blink state. Call once per frame from dvxUpdate.
+// Toggles the cursor visibility at 250ms intervals, matching the ANSI
+// terminal cursor rate.
+void wgtUpdateCursorBlink(void);
+
 // Mark a widget as needing both re-layout (measure + position) and
 // repaint. Propagates upward to ancestors since a child's size change
 // can affect parent layout. Use this after structural changes (adding/

dvx/widgets/widgetComboBox.c

@@ -404,8 +404,8 @@ void widgetComboBoxPaint(WidgetT *w, DisplayT *d, const BlitOpsT *ops, const Bit
             drawTextN(d, ops, font, textX, textY, w->as.comboBox.buf + off, len, fg, bg, true);
         }
 
-        // Draw cursor
-        if (w->focused && w->enabled && !w->as.comboBox.open) {
+        // Draw cursor (blinks at same rate as terminal cursor)
+        if (w->focused && w->enabled && !w->as.comboBox.open && sCursorBlinkOn) {
             int32_t cursorX = textX + (w->as.comboBox.cursorPos - off) * font->charWidth;
 
             if (cursorX >= w->x + TEXT_INPUT_PAD &&

dvx/widgets/widgetInternal.h

@@ -173,6 +173,7 @@ static inline void drawTextAccelEmbossed(DisplayT *d, const BlitOpsT *ops, const
 // is that these are truly global — but since the GUI is single-threaded
 // and only one mouse can exist, this is safe.
 
+extern bool     sCursorBlinkOn;   // text cursor blink phase (toggled by wgtUpdateCursorBlink)
 extern bool     sDebugLayout;
 extern WidgetT *sClosedPopup;     // popup that was just closed (prevents immediate reopen)
 extern WidgetT *sFocusedWidget;   // currently focused widget across all windows

dvx/widgets/widgetSpinner.c

@@ -436,8 +436,8 @@ void widgetSpinnerPaint(WidgetT *w, DisplayT *d, const BlitOpsT *ops, const Bitm
         drawTextN(d, ops, font, textX, textY, &w->as.spinner.buf[off], len, fg, bg, true);
     }
 
-    // Cursor
-    if (w->focused) {
+    // Cursor (blinks at same rate as terminal cursor)
+    if (w->focused && sCursorBlinkOn) {
         int32_t curX = textX + (w->as.spinner.cursorPos - off) * font->charWidth;
 
         if (curX >= w->x + SPINNER_BORDER && curX < btnX - SPINNER_PAD) {

dvx/widgets/widgetTextInput.c

@@ -71,6 +71,8 @@
 #define TEXTAREA_MIN_COLS  20
 #define CLIPBOARD_MAX      4096
 #define DBLCLICK_TICKS     (CLOCKS_PER_SEC / 2)
+// Match the ANSI terminal cursor blink rate (CURSOR_MS in widgetAnsiTerm.c)
+#define CURSOR_BLINK_MS    250
 
 // ============================================================
 // Prototypes
@@ -104,6 +106,15 @@ static int32_t wordBoundaryRight(const char *buf, int32_t len, int32_t pos);
 static char    sClipboard[CLIPBOARD_MAX];
 static int32_t sClipboardLen = 0;
 
+// ============================================================
+// Cursor blink state
+// ============================================================
+// Shared across all text-editing widgets (TextInput, TextArea,
+// ComboBox, Spinner). Matches the ANSI terminal's 250ms rate.
+
+bool           sCursorBlinkOn   = true;
+static clock_t sCursorBlinkTime = 0;
+
 
 void clipboardCopy(const char *text, int32_t len) {
     if (!text || len <= 0) {
@@ -129,6 +140,26 @@ const char *clipboardGet(int32_t *outLen) {
 }
 
 
+// ============================================================
+// Cursor blink
+// ============================================================
+
+void wgtUpdateCursorBlink(void) {
+    clock_t now      = clock();
+    clock_t interval = (clock_t)CURSOR_BLINK_MS * CLOCKS_PER_SEC / 1000;
+
+    if ((now - sCursorBlinkTime) >= interval) {
+        sCursorBlinkTime = now;
+        sCursorBlinkOn   = !sCursorBlinkOn;
+
+        // Invalidate the focused widget so its cursor redraws
+        if (sFocusedWidget) {
+            wgtInvalidatePaint(sFocusedWidget);
+        }
+    }
+}
+
+
 // ============================================================
 // Multi-click tracking
 // ============================================================
@@ -2105,8 +2136,8 @@ void widgetTextAreaPaint(WidgetT *w, DisplayT *d, const BlitOpsT *ops, const Bit
         }
     }
 
-    // Draw cursor
-    if (w->focused) {
+    // Draw cursor (blinks at same rate as terminal cursor)
+    if (w->focused && sCursorBlinkOn) {
         int32_t curDrawCol = w->as.textArea.cursorCol - w->as.textArea.scrollCol;
         int32_t curDrawRow = w->as.textArea.cursorRow - w->as.textArea.scrollRow;
 
@@ -2457,8 +2488,8 @@ void widgetTextInputPaint(WidgetT *w, DisplayT *d, const BlitOpsT *ops, const Bi
             drawTextN(d, ops, font, textX, textY, dispBuf, dispLen, fg, bg, true);
         }
 
-        // Draw cursor
-        if (w->focused && w->enabled) {
+        // Draw cursor (blinks at same rate as terminal cursor)
+        if (w->focused && w->enabled && sCursorBlinkOn) {
             int32_t cursorX = textX + (w->as.textInput.cursorPos - off) * font->charWidth;
 
             if (cursorX >= w->x + TEXT_INPUT_PAD &&