synfig-studio/tags/stable/src/gtkmm/widget_vector.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file widget_vector.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include <gtkmm/spinbutton.h>
  33 #include "widget_vector.h"
  34 #include "widget_distance.h"
  35 #include "app.h"
  36
  37 #include "general.h"
  38
  39 #endif
  40
  41 /* === U S I N G =========================================================== */
  42
  43 using namespace std;
  44 using namespace synfig;
  45 using namespace studio;
  46
  47 /* === M A C R O S ========================================================= */
  48
  49 #define DIGITS          10
  50
  51 /* === G L O B A L S ======================================================= */
  52
  53 /* === P R O C E D U R E S ================================================= */
  54
  55 /* === M E T H O D S ======================================================= */
  56
  57 Widget_Vector::Widget_Vector():
  58         Gtk::HBox(false, 5),
  59         x_adjustment(0,-100000000,100000000,0.05,0.05,0),
  60         y_adjustment(0,-100000000,100000000,0.05,0.05,0)
  61 {
  62         Gtk::Label *label;
  63
  64         label=manage(new class Gtk::Label("X:"));
  65         label->set_alignment(0, 0.5);
  66         label->show();
  67         pack_start(*label, Gtk::PACK_SHRINK);
  68
  69         spinbutton_x=manage(new class Gtk::SpinButton(x_adjustment,0.05,DIGITS));
  70         spinbutton_x->set_alignment(1);
  71         spinbutton_x->set_update_policy(Gtk::UPDATE_ALWAYS);
  72         spinbutton_x->signal_value_changed().connect(sigc::mem_fun(*this,&studio::Widget_Vector::on_value_changed));
  73         pack_start(*spinbutton_x, Gtk::PACK_EXPAND_WIDGET);
  74
  75         distance_x=manage(new Widget_Distance());
  76         distance_x->set_digits(4);
  77         distance_x->set_update_policy(Gtk::UPDATE_ALWAYS);
  78         distance_x->signal_value_changed().connect(sigc::mem_fun(*this,&studio::Widget_Vector::on_value_changed));
  79         pack_start(*distance_x, Gtk::PACK_EXPAND_WIDGET);
  80
  81         label=manage(new class Gtk::Label("Y:"));
  82         label->set_alignment(0, 0.5);
  83         label->show();
  84         pack_start(*label, Gtk::PACK_SHRINK);
  85
  86         spinbutton_y=manage(new class Gtk::SpinButton(y_adjustment,0.05,DIGITS));
  87         spinbutton_y->set_alignment(1);
  88         spinbutton_y->set_update_policy(Gtk::UPDATE_ALWAYS);
  89         spinbutton_y->signal_value_changed().connect(sigc::mem_fun(*this,&studio::Widget_Vector::on_value_changed));
  90         spinbutton_y->signal_activate().connect(sigc::mem_fun(*this,&studio::Widget_Vector::activate));
  91         pack_start(*spinbutton_y, Gtk::PACK_EXPAND_WIDGET);
  92
  93         distance_y=manage(new Widget_Distance());
  94         distance_y->set_digits(4);
  95         distance_y->set_update_policy(Gtk::UPDATE_ALWAYS);
  96         distance_y->signal_value_changed().connect(sigc::mem_fun(*this,&studio::Widget_Vector::on_value_changed));
  97         distance_y->signal_activate().connect(sigc::mem_fun(*this,&studio::Widget_Vector::activate));
  98         pack_start(*distance_y, Gtk::PACK_EXPAND_WIDGET);
  99
 100         spinbutton_x->show();
 101         spinbutton_y->show();
 102
 103         spinbutton_x->signal_activate().connect(sigc::mem_fun(*spinbutton_y,&Gtk::SpinButton::grab_focus));
 104         distance_x->signal_activate().connect(sigc::mem_fun(*distance_y,&Gtk::SpinButton::grab_focus));
 105 }
 106
 107 Widget_Vector::~Widget_Vector()
 108 {
 109 }
 110
 111 void
 112 Widget_Vector::on_grab_focus()
 113 {
 114         if(canvas_)
 115                 distance_x->grab_focus();
 116         else
 117                 spinbutton_x->grab_focus();
 118 }
 119
 120 void
 121 Widget_Vector::set_has_frame(bool x)
 122 {
 123         if(spinbutton_x)
 124         {
 125                 spinbutton_x->set_has_frame(x);
 126                 spinbutton_y->set_has_frame(x);
 127                 spinbutton_x->set_size_request(48,-1);
 128                 spinbutton_y->set_size_request(48,-1);
 129         }
 130
 131         distance_x->set_has_frame(x);
 132         distance_y->set_has_frame(x);
 133         distance_x->set_size_request(48,-1);
 134         distance_y->set_size_request(48,-1);
 135 }
 136
 137 void
 138 Widget_Vector::set_digits(int x)
 139 {
 140         if(spinbutton_x)
 141         {
 142                 spinbutton_x->set_digits(x);
 143                 spinbutton_y->set_digits(x);
 144                 spinbutton_x->set_size_request(48,-1);
 145                 spinbutton_y->set_size_request(48,-1);
 146         }
 147
 148         distance_x->set_digits(x);
 149         distance_y->set_digits(x);
 150         distance_x->set_size_request(48,-1);
 151         distance_y->set_size_request(48,-1);
 152 }
 153
 154 void
 155 Widget_Vector::set_value(const synfig::Vector &data)
 156 {
 157         vector=data;
 158
 159         if(canvas_){try
 160         {
 161                 Distance distx(vector[0],Distance::SYSTEM_UNITS),disty(vector[1],Distance::SYSTEM_UNITS);
 162                 distx.convert(App::distance_system,canvas_->rend_desc());
 163                 disty.convert(App::distance_system,canvas_->rend_desc());
 164                 distance_x->set_value(distx);
 165                 distance_y->set_value(disty);
 166                 spinbutton_x->hide();
 167                 spinbutton_y->hide();
 168         }catch(...) { synfig::error("Widget_Vector::set_value(): Caught something that was thrown"); }}
 169         else
 170         {
 171                 spinbutton_x->set_value(vector[0]);
 172                 spinbutton_y->set_value(vector[1]);
 173                 distance_x->hide();
 174                 distance_y->hide();
 175         }
 176 }
 177
 178 const synfig::Vector &
 179 Widget_Vector::get_value()
 180 {
 181         if(!canvas_ && spinbutton_x)
 182         {
 183                 vector[0]=spinbutton_x->get_value();
 184                 vector[1]=spinbutton_y->get_value();
 185                 distance_x->hide();
 186                 distance_y->hide();
 187         }
 188         else try
 189         {
 190                 vector[0]=distance_x->get_value().units(canvas_->rend_desc());
 191                 vector[1]=distance_y->get_value().units(canvas_->rend_desc());
 192                 spinbutton_x->hide();
 193                 spinbutton_y->hide();
 194         }catch(...) { synfig::error("Widget_Vector::set_value(): Caught something that was thrown"); }
 195         return vector;
 196 }
 197
 198 void
 199 Widget_Vector::on_value_changed()
 200 {
 201         signal_value_changed()();
 202 }
 203
 204 void
 205 Widget_Vector::set_canvas(synfig::Canvas::LooseHandle x)
 206 {
 207         canvas_=x;
 208         if(x)
 209         {
 210                 if(spinbutton_x)
 211                 {
 212                         spinbutton_x->hide();
 213                         spinbutton_y->hide();
 214 //                      delete spinbutton_x;
 215 //                      delete spinbutton_y;
 216                 }
 217                 distance_x->show();
 218                 distance_y->show();
 219         }
 220         else
 221         {
 222                 if(spinbutton_x)
 223                 {
 224                         spinbutton_x->show();
 225                         spinbutton_y->show();
 226                 }
 227                 distance_x->hide();
 228                 distance_y->hide();
 229         }
 230 }
 231
 232 void
 233 Widget_Vector::show_all_vfunc()
 234 {
 235         if(canvas_)
 236         {
 237                 distance_x->show();
 238                 distance_y->show();
 239         }
 240         else
 241         {
 242                 spinbutton_x->show();
 243                 spinbutton_y->show();
 244         }
 245         show();
 246 }