(svn r6954) -Feature: Constrain the drawing of a string inside an editbox to the dimensions of
authorDarkvater
Fri, 27 Oct 2006 10:12:57 +0000
changeset 4955 1ffc9ce449a8
parent 4954 c1f059faa899
child 4956 49ecd2a36222
(svn r6954) -Feature: Constrain the drawing of a string inside an editbox to the dimensions of
the widget it is in. This allows for typing longer text into an editbox (if maxwidth
allows of course) and scroll around properly.
misc_gui.c
--- a/misc_gui.c	Fri Oct 27 09:55:38 2006 +0000
+++ b/misc_gui.c	Fri Oct 27 10:12:57 2006 +0000
@@ -972,12 +972,35 @@
 
 void DrawEditBox(Window *w, querystr_d *string, int wid)
 {
-	const Widget *wi = w->widget + wid;
+	DrawPixelInfo dpi, *old_dpi;
+	int delta;
+	const Widget *wi = &w->widget[wid];
 	const Textbuf *tb = &string->text;
 
-	GfxFillRect(wi->left+1, wi->top+1, wi->right-1, wi->bottom-1, 215);
-	DoDrawString(tb->buf, wi->left+2, wi->top+1, 8);
-	if (tb->caret) DoDrawString("_", wi->left + 2 + tb->caretxoffs, wi->top + 1, 12);
+	/* Limit the drawing of the string inside the widget boundaries */
+	if (!FillDrawPixelInfo(&dpi,
+	     	wi->left + 4,
+	     	wi->top + 1,
+	     	wi->right - wi->left - 4,
+	     	wi->bottom - wi->top - 1)
+	) return;
+
+	GfxFillRect(wi->left + 1, wi->top + 1, wi->right - 1, wi->bottom - 1, 215);
+
+	old_dpi = _cur_dpi;
+	_cur_dpi = &dpi;
+
+	/* We will take the current widget length as maximum width, with a small
+	 * space reserved at the end for the caret to show */
+	delta = (wi->right - wi->left) - tb->width - 10;
+	if (delta > 0) delta = 0;
+
+	if (tb->caretxoffs + delta < 0) delta = -tb->caretxoffs;
+
+	DoDrawString(tb->buf, delta, 0, 8);
+	if (tb->caret) DoDrawString("_", tb->caretxoffs + delta, 0, 12);
+
+	_cur_dpi = old_dpi;
 }
 
 static void QueryStringWndProc(Window *w, WindowEvent *e)