X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fentry.cpp;h=ec6bba702983081fa0de856911da0484a3b50953;hb=c1faa54a3218b53757b8b55de0ff8aa64412253b;hp=8853ad7efe6daf8a4812313f5754ade2b900c211;hpb=deb15ee122f963ca41121e8358d5845401ac43ca;p=libs%2Fgltk.git

diff --git a/source/entry.cpp b/source/entry.cpp
index 8853ad7..ec6bba7 100644
--- a/source/entry.cpp
+++ b/source/entry.cpp
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007-2010  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #include <msp/gl/matrix.h>
 #include <msp/gl/texture.h>
 #include <msp/gl/transform.h>
@@ -20,9 +13,7 @@ using namespace std;
 namespace Msp {
 namespace GLtk {
 
-Entry::Entry(const Resources &r, const string &t):
-	Widget(r),
-	Container(r),
+Entry::Entry(const string &t):
 	text(),
 	multiline(false),
 	edit_pos(0),
@@ -31,10 +22,58 @@ Entry::Entry(const Resources &r, const string &t):
 	text_part(0),
 	slider(0)
 {
-	update_style();
 	set_text(t);
 }
 
+void Entry::autosize()
+{
+	if(!style)
+		return;
+
+	Widget::autosize();
+
+	if(text_part)
+	{
+		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")*font.get_native_size());
+		geom.w = max(geom.w, 10*en_width+margin.left+margin.right);
+
+		unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*font.get_native_size());
+		if(multiline)
+		{
+			unsigned line_spacing = font.get_native_size()*6/5;
+			geom.h = max(geom.h, line_height+line_spacing*2+margin.top+margin.bottom);
+		}
+		else
+			geom.h = max(geom.h, line_height+margin.top+margin.bottom);
+	}
+
+	if(multiline)
+	{
+		if(const Part *slider_part = style->get_part("slider"))
+		{
+			Geometry sgeom = slider_part->get_geometry();
+			if(!sgeom.w || !sgeom.h)
+			{
+				slider->autosize();
+				if(!sgeom.w)
+					sgeom.w = slider->get_geometry().w;
+				if(!sgeom.h)
+					sgeom.h = slider->get_geometry().h;
+			}
+
+			const Sides &margin = slider_part->get_margin();
+			geom.w = max(geom.w, sgeom.w+margin.left+margin.right);
+			geom.h = max(geom.h, sgeom.h+margin.top+margin.bottom);
+
+			reposition_slider();
+		}
+
+		check_view_range();
+	}
+}
+
 void Entry::set_text(const string &t)
 {
 	text = t;
@@ -51,7 +90,7 @@ void Entry::set_multiline(bool m)
 	{
 		if(!slider)
 		{
-			slider = new VSlider(res);
+			slider = new VSlider;
 			add(*slider);
 			slider->set_step(1);
 			slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed));
@@ -61,6 +100,32 @@ void Entry::set_multiline(bool m)
 	}
 }
 
+void Entry::render_special(const Part &part) const
+{
+	if(part.get_name()=="text")
+		text.render(part, geom, first_row);
+	else if(part.get_name()=="cursor")
+	{
+		if(!text_part || !part.get_graphic(state))
+			return;
+
+		unsigned row, col;
+		text.offset_to_coords(edit_pos, row, col);
+
+		if(row<first_row || row>=first_row+visible_rows)
+			return;
+
+		Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
+
+		GL::push_matrix();
+		GL::translate(rgeom.x, rgeom.y, 0);
+		part.get_graphic(state)->render(part.get_geometry().w, part.get_geometry().h);
+		GL::pop_matrix();
+	}
+	else if(part.get_name()=="slider" && multiline)
+		slider->render();
+}
+
 void Entry::key_press(unsigned key, unsigned, wchar_t ch)
 {
 	if(key==Input::KEY_LEFT)
@@ -123,32 +188,6 @@ void Entry::key_press(unsigned key, unsigned, wchar_t ch)
 	}
 }
 
-void Entry::render_special(const Part &part) const
-{
-	if(part.get_name()=="text")
-		text.render(part, geom, first_row);
-	else if(part.get_name()=="cursor")
-	{
-		if(!text_part || !part.get_graphic(state))
-			return;
-
-		unsigned row, col;
-		text.offset_to_coords(edit_pos, row, col);
-
-		if(row<first_row || row>=first_row+visible_rows)
-			return;
-
-		Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
-
-		GL::push_matrix();
-		GL::translate(rgeom.x, rgeom.y, 0);
-		part.get_graphic(state)->render(part.get_geometry().w, part.get_geometry().h);
-		GL::pop_matrix();
-	}
-	else if(part.get_name()=="slider")
-		slider->render();
-}
-
 void Entry::on_geometry_change()
 {
 	reposition_slider();
@@ -159,9 +198,16 @@ void Entry::on_geometry_change()
 
 void Entry::on_style_change()
 {
+	text.set_style(style);
+
+	if(!style)
+	{
+		text_part = 0;
+		return;
+	}
+
 	text_part = style->get_part("text");
 
-	text.set_style(style);
 	reposition_slider();
 
 	if(multiline)
@@ -170,23 +216,26 @@ void Entry::on_style_change()
 
 void Entry::reposition_slider()
 {
-	if(!slider)
+	if(!style || !slider)
 		return;
 
 	if(const Part *slider_part = style->get_part("slider"))
 	{
 		Geometry sgeom = slider_part->get_geometry();
+		if(!sgeom.w || !sgeom.h)
+		{
+			slider->autosize();
+			if(!sgeom.w)
+				sgeom.w = slider->get_geometry().w;
+			if(!sgeom.h)
+				sgeom.h = slider->get_geometry().h;
+		}
+
 		slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin());
 		slider->set_geometry(sgeom);
 	}
 }
 
-void Entry::slider_value_changed(double value)
-{
-	if(text.get_n_lines()>visible_rows)
-		first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);
-}
-
 void Entry::check_view_range()
 {
 	if(!multiline || !text_part)
@@ -207,12 +256,15 @@ void Entry::check_view_range()
 	else if(row>=first_row+visible_rows)
 		first_row = row+1-visible_rows;
 
-	if(slider)
-	{
-		unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows;
-		slider->set_range(0, scroll);
-		slider->set_value(scroll-first_row);
-	}
+	unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows;
+	slider->set_range(0, scroll);
+	slider->set_value(scroll-first_row);
+}
+
+void Entry::slider_value_changed(double value)
+{
+	if(text.get_n_lines()>visible_rows)
+		first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);
 }