src/gtk/checklst.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/checklst.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Modified by: Ryan Norton (Native GTK2.0+ checklist)
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_CHECKLISTBOX
  15
  16 #include "wx/checklst.h"
  17 #include "wx/gtk/private.h"
  18 #include "wx/gtk/treeentry_gtk.h"
  19
  20 #include <gdk/gdk.h>
  21 #include <gtk/gtk.h>
  22
  23 //-----------------------------------------------------------------------------
  24 // "toggled"
  25 //-----------------------------------------------------------------------------
  26 extern "C" {
  27 static void gtk_checklist_toggled(GtkCellRendererToggle * WXUNUSED(renderer),
  28                                   gchar                 *stringpath,
  29                                   wxCheckListBox        *listbox)
  30 {
  31     wxCHECK_RET( listbox->m_treeview != NULL, wxT("invalid listbox") );
  32
  33     GtkTreePath* path = gtk_tree_path_new_from_string(stringpath);
  34     wxCommandEvent new_event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED,
  35                               listbox->GetId() );
  36     new_event.SetEventObject( listbox );
  37     new_event.SetInt( gtk_tree_path_get_indices(path)[0] );
  38     new_event.SetString( listbox->GetString( new_event.GetInt() ));
  39     gtk_tree_path_free(path);
  40     listbox->Check( new_event.GetInt(), !listbox->IsChecked(new_event.GetInt()));
  41     listbox->HandleWindowEvent( new_event );
  42 }
  43 }
  44
  45 //-----------------------------------------------------------------------------
  46 // wxCheckListBox
  47 //-----------------------------------------------------------------------------
  48
  49 IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox,wxListBox)
  50
  51 wxCheckListBox::wxCheckListBox() : wxListBox()
  52 {
  53     m_hasCheckBoxes = true;
  54 }
  55
  56 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  57                                const wxPoint& pos,
  58                                const wxSize& size,
  59                                int nStrings,
  60                                const wxString *choices,
  61                                long style,
  62                                const wxValidator& validator,
  63                                const wxString& name )
  64 {
  65     m_hasCheckBoxes = true;
  66     wxListBox::Create( parent, id, pos, size, nStrings, choices, style, validator, name );
  67 }
  68
  69 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  70                                const wxPoint& pos,
  71                                const wxSize& size,
  72                                const wxArrayString& choices,
  73                                long style,
  74                                const wxValidator& validator,
  75                                const wxString& name )
  76 {
  77     m_hasCheckBoxes = true;
  78     wxListBox::Create( parent, id, pos, size, choices,
  79                        style, validator, name );
  80 }
  81
  82 void wxCheckListBox::DoCreateCheckList()
  83 {
  84     //Create the checklist in our treeview and set up events for it
  85     GtkCellRenderer* renderer =
  86         gtk_cell_renderer_toggle_new();
  87     GtkTreeViewColumn* column =
  88         gtk_tree_view_column_new_with_attributes( "", renderer,
  89                                                   "active", 0,
  90                                                   NULL );
  91 #if wxUSE_LIBHILDON2
  92     gtk_tree_view_column_set_fixed_width(column, 40);
  93 #else
  94     gtk_tree_view_column_set_fixed_width(column, 22);
  95 #endif // wxUSE_LIBHILDON2/!wxUSE_LIBHILDON2
  96
  97     gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
  98     gtk_tree_view_column_set_clickable(column, TRUE);
  99
 100     g_signal_connect (renderer, "toggled",
 101                       G_CALLBACK (gtk_checklist_toggled),
 102                       this);
 103
 104     gtk_tree_view_append_column(m_treeview, column);
 105 }
 106
 107 bool wxCheckListBox::IsChecked(unsigned int index) const
 108 {
 109     wxCHECK_MSG( m_treeview != NULL, false, wxT("invalid checklistbox") );
 110
 111     GtkTreeIter iter;
 112     gboolean res = gtk_tree_model_iter_nth_child(
 113                         GTK_TREE_MODEL(m_liststore),
 114                         &iter, NULL, //NULL = parent = get first
 115                         index
 116                    );
 117     if(!res)
 118         return false;
 119
 120     GValue value = {0, };
 121     gtk_tree_model_get_value(GTK_TREE_MODEL(m_liststore),
 122                              &iter,
 123                              0, //column
 124                              &value);
 125
 126     return g_value_get_boolean(&value) == TRUE ? true : false;
 127 }
 128
 129 void wxCheckListBox::Check(unsigned int index, bool check)
 130 {
 131     wxCHECK_RET( m_treeview != NULL, wxT("invalid checklistbox") );
 132
 133     GtkTreeIter iter;
 134     gboolean res = gtk_tree_model_iter_nth_child(
 135                         GTK_TREE_MODEL(m_liststore),
 136                         &iter, NULL, //NULL = parent = get first
 137                         index
 138                    );
 139     if(!res)
 140         return;
 141
 142     gtk_list_store_set(m_liststore,
 143                        &iter,
 144                        0, //column
 145                        check ? TRUE : FALSE, -1);
 146 }
 147
 148 int wxCheckListBox::GetItemHeight() const
 149 {
 150     wxCHECK_MSG( m_treeview != NULL, 0, wxT("invalid listbox"));
 151
 152     gint height;
 153     gtk_tree_view_column_cell_get_size(
 154         gtk_tree_view_get_column(m_treeview, 0),
 155                                        NULL, NULL, NULL, NULL,
 156                                        &height);
 157     return height;
 158 }
 159
 160 #endif //wxUSE_CHECKLISTBOX