X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fentry.cpp;h=f21aacbd07beff04c64aae4be124bdfab4e138fd;hb=b61361ee9f1f049fb3c22a38f68c757c7ca54cd0;hp=6daa8ef1b1083c1361522d64bc3e845df228c2ad;hpb=68c4aa0eaaade8b163cf9b3a96aa640ea16b1def;p=libs%2Fgltk.git

diff --git a/source/entry.cpp b/source/entry.cpp
index 6daa8ef..f21aacb 100644
--- a/source/entry.cpp
+++ b/source/entry.cpp
@@ -1,97 +1,295 @@
-#include <SDL/SDL_keysym.h>
 #include <msp/gl/matrix.h>
-#include <msp/gl/transform.h>
+#include <msp/gl/meshbuilder.h>
+#include <msp/gl/texture.h>
+#include <msp/input/keys.h>
 #include "entry.h"
+#include "graphic.h"
 #include "part.h"
 #include "style.h"
+#include "vslider.h"
 
 using namespace std;
 
 namespace Msp {
 namespace GLtk {
 
-Entry::Entry(const Resources &r, const string &t):
-	Widget(r),
-	text(t),
+Entry::Entry(const string &t):
+	text(),
+	multiline(false),
+	edit_width(10),
+	edit_height(1),
 	edit_pos(0),
-	active(false)
+	first_row(0),
+	visible_rows(1),
+	text_part(0),
+	slider(0),
+	got_key_press(false)
 {
+	set_text(t);
+}
+
+void Entry::autosize_special(const Part &part, Geometry &ageom)
+{
+	if(part.get_name()=="text")
+	{
+		const Sides &margin = 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());
+		ageom.w = max(ageom.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;
+			ageom.h = max(ageom.h, line_height+line_spacing*(edit_height-1)+margin.top+margin.bottom);
+		}
+		else
+			ageom.h = max(ageom.h, line_height+margin.top+margin.bottom);
+	}
+	else if(part.get_name()=="slider" && multiline)
+	{
+		Geometry sgeom = 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 = part.get_margin();
+		ageom.w = max(ageom.w, sgeom.w+margin.left+margin.right);
+		ageom.h = max(ageom.h, sgeom.h+margin.top+margin.bottom);
+	}
 }
 
 void Entry::set_text(const string &t)
 {
-	text=t;
-	if(edit_pos>text.size())
-		edit_pos=text.size();
+	text = t;
+	edit_pos = text.size();
+
+	if(multiline)
+		check_view_range();
+
+	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;
+	if(multiline)
+	{
+		if(!slider)
+		{
+			slider = new VSlider;
+			add(*slider);
+			slider->set_step(1);
+			slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed));
+			reposition_slider();
+		}
+		check_view_range();
+	}
+}
+
+void Entry::rebuild_special(const Part &part)
+{
+	if(part.get_name()=="text")
+		text.build(part, state, geom, first_row, part_cache);
+	else if(part.get_name()=="cursor")
+	{
+		const Graphic *graphic = part.get_graphic(state);
+		if(!text_part || !graphic || !graphic->get_texture())
+			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::MeshBuilder bld(part_cache.create_mesh(part, *graphic->get_texture()));
+		bld.matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0);
+		graphic->build(part.get_geometry().w, part.get_geometry().h, bld);
+	}
+	else
+		Widget::rebuild_special(part);
+}
+
+void Entry::render_special(const Part &part, GL::Renderer &renderer) const
+{
+	if(part.get_name()=="slider" && multiline)
+		slider->render(renderer);
 }
 
-void Entry::key_press(unsigned key, unsigned, wchar_t ch)
+void Entry::key_press(unsigned key, unsigned)
 {
-	if(key==SDLK_LEFT)
+	got_key_press = true;
+	if(key==Input::KEY_LEFT)
 	{
 		if(edit_pos>0)
-			--edit_pos;
+			set_edit_position(edit_pos-1);
 	}
-	else if(key==SDLK_RIGHT)
+	else if(key==Input::KEY_RIGHT)
 	{
 		if(edit_pos<text.size())
-			++edit_pos;
+			set_edit_position(edit_pos+1);
 	}
-	else if(key==SDLK_BACKSPACE)
+	else if(key==Input::KEY_DOWN && multiline)
+	{
+		unsigned row, col;
+		text.offset_to_coords(edit_pos, row, col);
+		set_edit_position(text.coords_to_offset(row+1, col));
+	}
+	else if(key==Input::KEY_UP && multiline)
+	{
+		unsigned row, col;
+		text.offset_to_coords(edit_pos, row, col);
+		set_edit_position(row>0 ? text.coords_to_offset(row-1, col) : 0);
+	}
+	else if(key==Input::KEY_BACKSPACE)
 	{
 		if(edit_pos>0)
+		{
 			text.erase(--edit_pos, 1);
+			check_view_range();
+			rebuild();
+		}
 	}
-	else
+	else if(key==Input::KEY_ENTER)
 	{
-		text+=ch;
+		if(multiline)
+		{
+			text.insert(edit_pos++, "\n");
+			check_view_range();
+			rebuild();
+		}
+		else
+			signal_enter.emit();
 	}
 }
 
-void Entry::focus_in()
+void Entry::character(wchar_t ch)
 {
-	active=true;
+	if(got_key_press && ch>=' ')
+	{
+		text.insert(edit_pos, StringCodec::encode<StringCodec::Utf8>(StringCodec::ustring(1, ch)));
+		++edit_pos;
+		rebuild();
+	}
 }
 
 void Entry::focus_out()
 {
-	active=false;
+	Widget::focus_out();
+	got_key_press = false;
 }
 
-void Entry::render_part(const Part &part) const
+void Entry::on_geometry_change()
 {
-	if(part.get_name()=="text")
+	reposition_slider();
+
+	if(multiline)
+		check_view_range();
+}
+
+void Entry::on_style_change()
+{
+	text.set_style(style);
+
+	if(!style)
 	{
-		const GL::Font *const font=style->get_font();
+		text_part = 0;
+		return;
+	}
 
-		const float font_size=font->get_default_size();
-		unsigned text_w=static_cast<unsigned>(font->get_string_width(text)*font_size);
+	text_part = style->get_part("text");
 
-		GL::push_matrix();
+	reposition_slider();
 
-		part.get_alignment().apply(geom, text_w, static_cast<unsigned>(font->get_ascent()*font_size));
-		GL::scale_uniform(font_size);
+	if(multiline)
+		check_view_range();
+}
+
+void Entry::set_edit_position(unsigned ep)
+{
+	edit_pos = ep;
+	check_view_range();
+	rebuild();
+}
+
+void Entry::reposition_slider()
+{
+	if(!style || !slider)
+		return;
 
-		const Color &color=style->get_font_color();
-		glColor3f(color.r, color.g, color.b);
-		if(active)
+	if(const Part *slider_part = style->get_part("slider"))
+	{
+		Geometry sgeom = slider_part->get_geometry();
+		if(!sgeom.w || !sgeom.h)
 		{
-			font->draw_string(text.substr(0, edit_pos));
-			glBegin(GL_LINES);
-			glVertex2f(0, 0);
-			glVertex2f(0, 1);
-			glEnd();
-			font->draw_string(text.substr(edit_pos));
+			slider->autosize();
+			if(!sgeom.w)
+				sgeom.w = slider->get_geometry().w;
+			if(!sgeom.h)
+				sgeom.h = slider->get_geometry().h;
 		}
-		else
-			font->draw_string(text);
-		glColor3f(1, 1, 1);
 
-		GL::pop_matrix();
-		render_text(part, text);
+		slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin());
+		slider->set_geometry(sgeom);
 	}
-	else
-		Widget::render_part(part);
+}
+
+void Entry::check_view_range()
+{
+	if(!multiline || !text_part)
+		return;
+
+	float font_size = style->get_font_size();
+	unsigned line_spacing = static_cast<unsigned>(font_size*6/5);
+
+	const Sides &margin = text_part->get_margin();
+	visible_rows = max((geom.h-margin.top-margin.bottom)/line_spacing, 1U);
+
+	unsigned row, col;
+	text.offset_to_coords(edit_pos, row, col);
+
+	if(first_row>row)
+		first_row = row;
+	else if(row>=first_row+visible_rows)
+		first_row = row+1-visible_rows;
+
+	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);
+}
+
+
+Entry::Loader::Loader(Entry &e):
+	DataFile::DerivedObjectLoader<Entry, Widget::Loader>(e)
+{
+	add("edit_size", &Entry::edit_width, &Entry::edit_height);
+	add("multiline", &Loader::multiline);
+}
+
+void Entry::Loader::multiline(bool m)
+{
+	obj.set_multiline(m);
 }
 
 } // namespace GLtk