From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 9 Jun 2013 18:42:44 +0000 (+0300)
Subject: Add properties to Entry for specifying autosize dimensions
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgltk.git;a=commitdiff_plain;h=45a351cb7bd00fd5d847507f020541f883599178

Add properties to Entry for specifying autosize dimensions
---

diff --git a/source/entry.cpp b/source/entry.cpp
index 8aee0cf..da12702 100644
--- a/source/entry.cpp
+++ b/source/entry.cpp
@@ -16,6 +16,8 @@ namespace GLtk {
 Entry::Entry(const string &t):
 	text(),
 	multiline(false),
+	edit_width(10),
+	edit_height(1),
 	edit_pos(0),
 	first_row(0),
 	visible_rows(1),
@@ -38,13 +40,13 @@ void Entry::autosize()
 		const Sides &margin = text_part->get_margin();
 		const GL::Font &font = style->get_font();
 		unsigned en_width = static_cast<unsigned>(font.get_string_width("n")*style->get_font_size());
-		geom.w = max(geom.w, 10*en_width+margin.left+margin.right);
+		geom.w = max(geom.w, edit_width*en_width+margin.left+margin.right);
 
 		unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*style->get_font_size());
 		if(multiline)
 		{
 			unsigned line_spacing = style->get_font_size()*6/5;
-			geom.h = max(geom.h, line_height+line_spacing*2+margin.top+margin.bottom);
+			geom.h = max(geom.h, line_height+line_spacing*(edit_height-1)+margin.top+margin.bottom);
 		}
 		else
 			geom.h = max(geom.h, line_height+margin.top+margin.bottom);
@@ -88,6 +90,13 @@ void Entry::set_text(const string &t)
 	rebuild();
 }
 
+void Entry::set_edit_size(unsigned w, unsigned h)
+{
+	edit_width = w;
+	edit_height = h;
+	signal_autosize_changed.emit();
+}
+
 void Entry::set_multiline(bool m)
 {
 	multiline = m;
diff --git a/source/entry.h b/source/entry.h
index 65a201a..cd7d9bc 100644
--- a/source/entry.h
+++ b/source/entry.h
@@ -33,6 +33,8 @@ public:
 private:
 	Text text;
 	bool multiline;
+	unsigned edit_width;
+	unsigned edit_height;
 	unsigned edit_pos;
 	unsigned first_row;
 	unsigned visible_rows;
@@ -49,6 +51,11 @@ public:
 
 	void set_text(const std::string &);
 	const std::string &get_text() const { return text.get(); }
+
+	/** Sets the minimum size of the editing area, in characters and rows.  This
+	only affects autosizing. */
+	void set_edit_size(unsigned w, unsigned h);
+
 	void set_multiline(bool);
 	bool is_multiline() const { return multiline; }