-#include <SDL/SDL_keysym.h>
#include <msp/gl/matrix.h>
+#include <msp/gl/meshbuilder.h>
#include <msp/gl/texture.h>
-#include <msp/gl/transform.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),
- edit_pos(0)
+Entry::Entry(const string &t):
+ text(),
+ multiline(false),
+ edit_width(10),
+ edit_height(1),
+ edit_pos(0),
+ first_row(0),
+ visible_rows(1),
+ text_part(0),
+ slider(0),
+ got_key_press(false)
{
- update_style();
+ 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::key_press(unsigned key, unsigned, wchar_t ch)
+void Entry::set_edit_size(unsigned w, unsigned h)
{
- if(key==SDLK_LEFT)
+ 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, 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)
+{
+ 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==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==SDLK_BACKSPACE)
+ 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)
{
- if(state!=DISABLED)
- state=ACTIVE;
+ if(got_key_press && ch>=' ')
+ {
+ text.insert(edit_pos, StringCodec::encode<StringCodec::Utf8>(StringCodec::ustring(1, ch)));
+ ++edit_pos;
+ rebuild();
+ }
}
void Entry::focus_out()
{
- if(state==ACTIVE)
- state=NORMAL;
+ 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")
- render_text(part, text);
- /*{
- const GL::Font *const font=style->get_font();
+ reposition_slider();
- const float font_size=font->get_default_size();
- unsigned text_w=static_cast<unsigned>(font->get_string_width(text)*font_size);
+ if(multiline)
+ check_view_range();
+}
- GL::push_matrix();
+void Entry::on_style_change()
+{
+ text.set_style(style);
- part.get_alignment().apply(geom, text_w, static_cast<unsigned>(font->get_ascent()*font_size));
- GL::scale_uniform(font_size);
+ if(!style)
+ {
+ text_part = 0;
+ return;
+ }
+
+ text_part = style->get_part("text");
+
+ reposition_slider();
- const Color &color=style->get_font_color();
- glColor3f(color.r, color.g, color.b);
- if(state==ACTIVE)
+ 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;
+
+ if(const Part *slider_part = style->get_part("slider"))
+ {
+ Geometry sgeom = slider_part->get_geometry();
+ if(!sgeom.w || !sgeom.h)
{
- cout<<"foo\n";
- font->draw_string(text.substr(0, edit_pos));
- GL::Texture::unbind();
- 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);
- }*/
- /*else if(part.get_name()=="cursor")
- {
- unsigned gw=part.get_width();
- unsigned gh=(part.get_fill_y() ? geom.h : part.get_height());
-
- const float font_size=font->get_default_size();
- unsigned text_w=static_cast<unsigned>(font->get_string_width(text)*font_size);
-
- GL::push_matrix();
- GL::translate((geom.w-gw)*(value-min)/(max-min), (geom.h-gh)*(part.get_alignment().y+1)/2, 0);
- const Graphic *graphic=part.get_graphic(state);
- graphic->render(gw, gh);
- GL::pop_matrix();
- }*/
- else
- Widget::render_part(part);
+ slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin());
+ slider->set_geometry(sgeom);
+ }
+}
+
+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
projects / libs / gltk.git / blobdiff