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     gtk_tree_view_column_set_fixed_width(column, 22);
  92     gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
  93     gtk_tree_view_column_set_clickable(column, TRUE);
  94
  95     g_signal_connect (renderer, "toggled",
  96                       G_CALLBACK (gtk_checklist_toggled),
  97                       this);
  98
  99     gtk_tree_view_append_column(m_treeview, column);
 100 }
 101
 102 bool wxCheckListBox::IsChecked(unsigned int index) const
 103 {
 104     wxCHECK_MSG( m_treeview != NULL, false, wxT("invalid checklistbox") );
 105
 106     GtkTreeIter iter;
 107     gboolean res = gtk_tree_model_iter_nth_child(
 108                         GTK_TREE_MODEL(m_liststore),
 109                         &iter, NULL, //NULL = parent = get first
 110                         index
 111                    );
 112     if(!res)
 113         return false;
 114
 115     GValue value = {0, };
 116     gtk_tree_model_get_value(GTK_TREE_MODEL(m_liststore),
 117                              &iter,
 118                              0, //column
 119                              &value);
 120
 121     return g_value_get_boolean(&value) == TRUE ? true : false;
 122 }
 123
 124 void wxCheckListBox::Check(unsigned int index, bool check)
 125 {
 126     wxCHECK_RET( m_treeview != NULL, wxT("invalid checklistbox") );
 127
 128     GtkTreeIter iter;
 129     gboolean res = gtk_tree_model_iter_nth_child(
 130                         GTK_TREE_MODEL(m_liststore),
 131                         &iter, NULL, //NULL = parent = get first
 132                         index
 133                    );
 134     if(!res)
 135         return;
 136
 137     gtk_list_store_set(m_liststore,
 138                        &iter,
 139                        0, //column
 140                        check ? TRUE : FALSE, -1);
 141 }
 142
 143 int wxCheckListBox::GetItemHeight() const
 144 {
 145     wxCHECK_MSG( m_treeview != NULL, 0, wxT("invalid listbox"));
 146
 147     gint height;
 148     gtk_tree_view_column_cell_get_size(
 149         gtk_tree_view_get_column(m_treeview, 0),
 150                                        NULL, NULL, NULL, NULL,
 151                                        &height);
 152     return height;
 153 }
 154
 155 #endif //wxUSE_CHECKLISTBOX