COIN-OR::LEMON - Graph Library

source: lemon-0.x/gui/mapselector.cc @ 2071:00c4ce4f4170

Last change on this file since 2071:00c4ce4f4170 was 1892:1d384b30157f, checked in by Hegyi Péter, 14 years ago

Documentation of MapSelector?. If no default value is present in MapSelector?, Reset button does not appear.

File size: 2.5 KB
Line 
1#include "mapselector.h"
2
3MapSelector::MapSelector(std::vector<std::string> ml, std::string act, std::string labeltext, bool edge, bool d):def(d),itisedge(edge),set_new_map(false)
4{
5  update_list(ml);
6
7  if(act=="")
8    {
9      cbt.set_active(0);
10      default_state=true;
11    }
12  else
13    {
14      cbt.set_active_text((Glib::ustring)act);
15      default_state=false;
16    }
17
18  //binding signal to the actual entry
19  cbt.signal_changed().connect
20    (
21     sigc::mem_fun((*this), &MapSelector::comboChanged),
22     false
23     );
24 
25  label=new Gtk::Label(labeltext);
26
27  label->set_width_chars(longest_property_string_length);
28
29  defbut=NULL;
30  if(def)
31    {
32      defbut=new Gtk::Button();
33      defbut->set_label("Reset");
34     
35      defbut->signal_pressed().connect
36        (
37         sigc::mem_fun(*this, &MapSelector::reset)
38         );
39    }
40
41  newbut=new Gtk::Button(Gtk::Stock::NEW);
42
43  newbut->signal_pressed().connect
44    (
45     sigc::mem_fun(*this, &MapSelector::new_but_pressed)
46     );
47
48  add(*label);
49
50  add(cbt);
51
52  if(def)
53    {
54      add(*defbut);
55    }
56
57  add(*newbut);
58}
59
60void MapSelector::new_but_pressed()
61{
62  set_new_map=true;
63  signal_newmapwin.emit(itisedge);
64}
65
66void MapSelector::update_list( std::vector< std::string > ml )
67{
68  int prev_act=cbt.get_active_row_number();
69  cbt.clear();
70  std::vector< std::string >::iterator emsi=ml.begin();
71  for(;emsi!=ml.end();emsi++)
72    {
73      cbt.append_text(*emsi);
74    }
75  if(def)
76    {
77      cbt.prepend_text("Default values");
78    }
79  if(prev_act!=-1)
80    {
81      cbt.set_active(prev_act);
82    }
83}
84
85void MapSelector::comboChanged()
86{
87  if(cbt.get_active_row_number()!=0 || !def)
88    {
89      default_state=false;
90      Glib::ustring mapname = cbt.get_active_text();
91      if(!(mapname.empty())) //We seem to get 2 signals, one when the text is empty.
92        {
93          signal_cbt.emit(mapname);
94        }
95    }
96  else if((!default_state)&&(cbt.get_active_row_number()==0))
97    {
98      reset();
99    }
100}
101
102void MapSelector::reset()
103{
104  default_state=true;
105
106  cbt.set_active(0);
107
108  signal_cbt.emit("");
109}
110
111
112Glib::ustring MapSelector::get_active_text()
113{
114  return cbt.get_active_text();
115}
116
117void MapSelector::set_active_text(Glib::ustring text)
118{
119  cbt.set_active_text(text);
120}
121
122void MapSelector::append_text(Glib::ustring text)
123{
124  cbt.append_text(text);
125  if(set_new_map)
126    {
127      set_active_text(text);
128      set_new_map=false;
129    }
130}
131
132sigc::signal<void, std::string> MapSelector::signal_cbt_ch()
133{
134  return signal_cbt;
135}
136
137sigc::signal<void, bool> MapSelector::signal_newmapwin_needed()
138{
139  return signal_newmapwin;
140}
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