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 wxCheckListBox::wxCheckListBox() : wxListBox()
  50 {
  51     m_hasCheckBoxes = true;
  52 }
  53
  54 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  55                                const wxPoint& pos,
  56                                const wxSize& size,
  57                                int nStrings,
  58                                const wxString *choices,
  59                                long style,
  60                                const wxValidator& validator,
  61                                const wxString& name )
  62 {
  63     m_hasCheckBoxes = true;
  64     wxListBox::Create( parent, id, pos, size, nStrings, choices, style, validator, name );
  65 }
  66
  67 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  68                                const wxPoint& pos,
  69                                const wxSize& size,
  70                                const wxArrayString& choices,
  71                                long style,
  72                                const wxValidator& validator,
  73                                const wxString& name )
  74 {
  75     m_hasCheckBoxes = true;
  76     wxListBox::Create( parent, id, pos, size, choices,
  77                        style, validator, name );
  78 }
  79
  80 void wxCheckListBox::DoCreateCheckList()
  81 {
  82     //Create the checklist in our treeview and set up events for it
  83     GtkCellRenderer* renderer =
  84         gtk_cell_renderer_toggle_new();
  85     GtkTreeViewColumn* column =
  86         gtk_tree_view_column_new_with_attributes( "", renderer,
  87                                                   "active", 0,
  88                                                   NULL );
  89 #if wxUSE_LIBHILDON2
  90     gtk_tree_view_column_set_fixed_width(column, 40);
  91 #else
  92     gtk_tree_view_column_set_fixed_width(column, 22);
  93 #endif // wxUSE_LIBHILDON2/!wxUSE_LIBHILDON2
  94
  95     gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
  96     gtk_tree_view_column_set_clickable(column, TRUE);
  97
  98     g_signal_connect (renderer, "toggled",
  99                       G_CALLBACK (gtk_checklist_toggled),
 100                       this);
 101
 102     gtk_tree_view_append_column(m_treeview, column);
 103 }
 104
 105 bool wxCheckListBox::IsChecked(unsigned int index) const
 106 {
 107     wxCHECK_MSG( m_treeview != NULL, false, wxT("invalid checklistbox") );
 108
 109     GtkTreeIter iter;
 110     gboolean res = gtk_tree_model_iter_nth_child(
 111                         GTK_TREE_MODEL(m_liststore),
 112                         &iter, NULL, //NULL = parent = get first
 113                         index
 114                    );
 115     if(!res)
 116         return false;
 117
 118     GValue value = {0, };
 119     gtk_tree_model_get_value(GTK_TREE_MODEL(m_liststore),
 120                              &iter,
 121                              0, //column
 122                              &value);
 123
 124     return g_value_get_boolean(&value) != 0;
 125 }
 126
 127 void wxCheckListBox::Check(unsigned int index, bool check)
 128 {
 129     wxCHECK_RET( m_treeview != NULL, wxT("invalid checklistbox") );
 130
 131     GtkTreeIter iter;
 132     gboolean res = gtk_tree_model_iter_nth_child(
 133                         GTK_TREE_MODEL(m_liststore),
 134                         &iter, NULL, //NULL = parent = get first
 135                         index
 136                    );
 137     if(!res)
 138         return;
 139
 140     gtk_list_store_set(m_liststore,
 141                        &iter,
 142                        0, //column
 143                        check ? TRUE : FALSE, -1);
 144 }
 145
 146 int wxCheckListBox::GetItemHeight() const
 147 {
 148     wxCHECK_MSG( m_treeview != NULL, 0, wxT("invalid listbox"));
 149
 150     gint height;
 151     gtk_tree_view_column_cell_get_size(
 152         gtk_tree_view_get_column(m_treeview, 0),
 153                                        NULL, NULL, NULL, NULL,
 154                                        &height);
 155     return height;
 156 }
 157
 158 #endif //wxUSE_CHECKLISTBOX