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 *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     gtk_tree_path_free(path);
  39     listbox->Check( new_event.GetInt(), !listbox->IsChecked(new_event.GetInt()));
  40     listbox->GetEventHandler()->ProcessEvent( new_event );
  41 }
  42 }
  43
  44 //-----------------------------------------------------------------------------
  45 // wxCheckListBox
  46 //-----------------------------------------------------------------------------
  47
  48 IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox,wxListBox)
  49
  50 wxCheckListBox::wxCheckListBox() : wxListBox()
  51 {
  52     m_hasCheckBoxes = true;
  53 }
  54
  55 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  56                                const wxPoint& pos,
  57                                const wxSize& size,
  58                                int nStrings,
  59                                const wxString *choices,
  60                                long style,
  61                                const wxValidator& validator,
  62                                const wxString& name )
  63 {
  64     m_hasCheckBoxes = true;
  65     wxListBox::Create( parent, id, pos, size, nStrings, choices, style, validator, name );
  66 }
  67
  68 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  69                                const wxPoint& pos,
  70                                const wxSize& size,
  71                                const wxArrayString& choices,
  72                                long style,
  73                                const wxValidator& validator,
  74                                const wxString& name )
  75 {
  76     m_hasCheckBoxes = true;
  77     wxListBox::Create( parent, id, pos, size, choices,
  78                        style, validator, name );
  79 }
  80
  81 void wxCheckListBox::DoCreateCheckList()
  82 {
  83     //Create the checklist in our treeview and set up events for it
  84     GtkCellRenderer* renderer =
  85         gtk_cell_renderer_toggle_new();
  86     GtkTreeViewColumn* column =
  87         gtk_tree_view_column_new_with_attributes( "", renderer,
  88                                                   "active", 0,
  89                                                   NULL );
  90     gtk_tree_view_column_set_fixed_width(column, 20);
  91     gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
  92     gtk_tree_view_column_set_clickable(column, TRUE);
  93
  94     g_signal_connect (renderer, "toggled",
  95                       G_CALLBACK (gtk_checklist_toggled),
  96                       this);
  97
  98     gtk_tree_view_append_column(m_treeview, column);
  99 }
 100
 101 bool wxCheckListBox::IsChecked(unsigned int index) const
 102 {
 103     wxCHECK_MSG( m_treeview != NULL, false, wxT("invalid checklistbox") );
 104
 105     GtkTreeIter iter;
 106     gboolean res = gtk_tree_model_iter_nth_child(
 107                         GTK_TREE_MODEL(m_liststore),
 108                         &iter, NULL, //NULL = parent = get first
 109                         index
 110                    );
 111     if(!res)
 112         return false;
 113
 114     GValue value = {0, };
 115     gtk_tree_model_get_value(GTK_TREE_MODEL(m_liststore),
 116                              &iter,
 117                              0, //column
 118                              &value);
 119
 120     return g_value_get_boolean(&value) == TRUE ? true : false;
 121 }
 122
 123 void wxCheckListBox::Check(unsigned int index, bool check)
 124 {
 125     wxCHECK_RET( m_treeview != NULL, wxT("invalid checklistbox") );
 126
 127     GtkTreeIter iter;
 128     gboolean res = gtk_tree_model_iter_nth_child(
 129                         GTK_TREE_MODEL(m_liststore),
 130                         &iter, NULL, //NULL = parent = get first
 131                         index
 132                    );
 133     if(!res)
 134         return;
 135
 136     gtk_list_store_set(m_liststore,
 137                        &iter,
 138                        0, //column
 139                        check ? TRUE : FALSE, -1);
 140 }
 141
 142 int wxCheckListBox::GetItemHeight() const
 143 {
 144     wxCHECK_MSG( m_treeview != NULL, 0, wxT("invalid listbox"));
 145
 146     gint height;
 147     gtk_tree_view_column_cell_get_size(
 148         gtk_tree_view_get_column(m_treeview, 0),
 149                                        NULL, NULL, NULL, NULL,
 150                                        &height);
 151     return height;
 152 }
 153
 154 #endif //wxUSE_CHECKLISTBOX