169 lines
3.9 KiB
C++
169 lines
3.9 KiB
C++
/*
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* Author: Harry van Haaren 2013
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* harryhaaren@gmail.com
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef AVTK_BACKGROUND_H
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#define AVTK_BACKGROUND_H
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#include <FL/Fl_Widget.H>
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#include <FL/fl_ask.H>
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#include <valarray>
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#include <string>
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namespace Avtk
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{
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// FIXME: Refactor to .hxx .cxx
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class Background : public Fl_Widget
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{
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public:
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Background(int _x, int _y, int _w, int _h, const char *_label = 0):
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Fl_Widget(_x, _y, _w, _h, _label)
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{
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x = _x;
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y = _y;
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w = _w;
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h = _h;
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label = strdup(_label);
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highlight = false;
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}
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bool highlight;
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int x, y, w, h;
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const char* label;
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void setLabel(const char* l)
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{
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if( label )
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free( (char*) label);
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label = strdup( l );
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redraw();
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}
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const char* getLabel()
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{
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return label;
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}
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void draw()
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{
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if (damage() & FL_DAMAGE_ALL)
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{
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cairo_t *cr = Fl::cairo_cc();
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cairo_save( cr );
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cairo_set_line_width(cr, 1.5);
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// fill background
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cairo_rectangle( cr, x, y, w, h);
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cairo_set_source_rgba( cr, 28 / 255.f, 28 / 255.f , 28 / 255.f , 1 );
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cairo_fill( cr );
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// draw header
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// backing
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cairo_rectangle(cr, x, y, w, 20);
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cairo_set_source_rgb( cr, 28 / 255.f, 28 / 255.f , 28 / 255.f );
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cairo_fill( cr );
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// text
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cairo_move_to( cr, x + 10, y + 14 );
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cairo_set_source_rgba( cr, 0 / 255.f, 153 / 255.f , 255 / 255.f , 1 );
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cairo_set_font_size( cr, 10 );
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cairo_show_text( cr, label );
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// lower stripe
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cairo_move_to( cr, x , y + 20 );
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cairo_line_to( cr, x + w, y + 20 );
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cairo_stroke( cr );
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// stroke rim
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cairo_rectangle(cr, x, y, w, h);
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cairo_set_source_rgba( cr, 66 / 255.f, 66 / 255.f , 66 / 255.f , 1 );
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cairo_stroke( cr );
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cairo_restore( cr );
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}
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}
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void resize(int X, int Y, int W, int H)
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{
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Fl_Widget::resize(X,Y,W,H);
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x = X;
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y = Y;
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w = W;
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h = H;
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redraw();
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}
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int handle(int event)
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{
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switch(event)
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{
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case FL_PUSH:
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if ( Fl::event_state(FL_BUTTON3) && Fl::event_y() < y + 20 )
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{
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const char* name = fl_input( "Track name: ", "" );
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if ( name )
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{
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free( (char*) label );
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label = strdup( name );
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redraw();
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}
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return 1;
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}
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redraw();
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return 1;
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case FL_DRAG: {
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int t = Fl::event_inside(this);
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if (t != highlight) {
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redraw();
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}
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}
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return 1;
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case FL_RELEASE:
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if (highlight) {
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highlight = 0;
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redraw();
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do_callback();
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}
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return 1;
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case FL_SHORTCUT:
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if ( test_shortcut() )
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{
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do_callback();
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return 1;
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}
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return 0;
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default:
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return Fl_Widget::handle(event);
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}
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}
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};
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} // Avtk
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#endif // AVTK_BACKGROUND_H
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