Started writing the code for handling mouse moves and checkbox hovers.

wintable/new/checkboxes.h

@@ -132,3 +132,34 @@ static void loadCheckboxThemeData(struct table *t)
 	if (ReleaseDC(t->hwnd, dc) == 0)
 		panic("error releasing Table DC for loading checkbox theme data");
 }
+
+HANDLER(checkboxMouseMoveHandler)
+{
+	struct rowcol rc;
+	RECT r;
+
+	if (!t->checkboxMouseOverLast) {
+		t->checkboxMouseOverLast = TRUE;
+		retrack(t);
+	}
+	// TODO redraw old cell
+	// TODO we could probably optimize these by only checking the checkbox rects
+	t->checkboxMouseOverLastPoint = lParam;
+	rc = lParamToRowColumn(t, t->checkboxMouseOverLastPoint);
+	if (rc.row != -1 && rc.column != -1)
+		if (t->columnTypes[rc.column] == tableColumnCheckbox)
+			if (rowColumnToClientRect(t, rc, &r))
+				if (InvalidateRect(t->hwnd, &r, TRUE) == 0)
+					panic("error queueing Table checkbox for redraw after mouse over");
+	*lResult = 0;
+	return TRUE;
+}
+
+HANDLER(checkboxMouseLeaveHandler)
+{
+	// TODO redraw old cell
+	// TODO remember what I wanted to do here in the case of a held mouse button
+	t->checkboxMouseOverLast = FALSE;
+	*lResult = 0;
+	return TRUE;
+}

wintable/new/draw.h

@@ -17,6 +17,7 @@ static void drawCell(struct table *t, HDC dc, struct drawCellParams *p)
 	int n;
 	HBRUSH background;
 	int textColor;
+	POINT pt;
 
 	// TODO verify these two
 	background = (HBRUSH) (COLOR_WINDOW + 1);
@@ -56,6 +57,12 @@ static void drawCell(struct table *t, HDC dc, struct drawCellParams *p)
 	case tableColumnCheckbox:
 		toCheckboxRect(t, &r, p->xoff);
 		SetDCBrushColor(dc, RGB(255, 0, 0));
+		if (t->checkboxMouseOverLast) {
+			pt.x = GET_X_LPARAM(t->checkboxMouseOverLastPoint);
+			pt.y = GET_Y_LPARAM(t->checkboxMouseOverLastPoint);
+			if (PtInRect(&r, pt) != 0)
+				SetDCBrushColor(dc, RGB(0, 255, 0));
+		}
 		FillRect(dc, &r, GetStockObject(DC_BRUSH));
 		break;
 	}

wintable/new/events.h

@@ -1,5 +1,7 @@
 // 5 december 2014
 
+// TODO handler functions don't work here because you can't have more than one for the mouse ones...
+
 static const handlerfunc keyDownHandlers[] = {
 	keyDownSelectHandler,
 	NULL,
@@ -14,10 +16,12 @@ static const handlerfunc charHandlers[] = {
 };
 
 static const handlerfunc mouseMoveHandlers[] = {
+	checkboxMouseMoveHandler,
 	NULL,
 };
 
 static const handlerfunc mouseLeaveHandlers[] = {
+	checkboxMouseLeaveHandler,
 	NULL,
 };
 

wintable/new/main.c

@@ -75,6 +75,8 @@ struct table {
 	HTHEME theme;
 	int checkboxWidth;
 	int checkboxHeight;
+	BOOL checkboxMouseOverLast;
+	LPARAM checkboxMouseOverLastPoint;
 };
 
 #include "util.h"