src/gtk/checklst.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #include "wx/defs.h"
  15
  16 #if wxUSE_CHECKLISTBOX
  17
  18 #include "wx/checklst.h"
  19 #include "wx/gtk/private.h"
  20 #include "wx/gtk/treeentry_gtk.h"
  21
  22 #include <gdk/gdk.h>
  23 #include <gtk/gtk.h>
  24
  25 //-----------------------------------------------------------------------------
  26 // "toggled"
  27 //-----------------------------------------------------------------------------
  28 #if wxUSE_NATIVEGTKCHECKLIST
  29 extern "C" {
  30 static void gtk_checklist_toggled(GtkCellRendererToggle *renderer,
  31                                   gchar                 *stringpath,
  32                                   wxCheckListBox        *listbox)
  33 {
  34     wxCHECK_RET( listbox->m_treeview != NULL, wxT("invalid listbox") );
  35
  36     GtkTreePath* path = gtk_tree_path_new_from_string(stringpath);
  37     wxCommandEvent new_event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED,
  38                               listbox->GetId() );
  39     new_event.SetEventObject( listbox );
  40     new_event.SetInt( gtk_tree_path_get_indices(path)[0] );
  41     gtk_tree_path_free(path);
  42     listbox->Check( new_event.GetInt(), !listbox->IsChecked(new_event.GetInt()));
  43     listbox->GetEventHandler()->ProcessEvent( new_event );
  44 }
  45 }
  46 #endif
  47
  48 //-----------------------------------------------------------------------------
  49 // wxCheckListBox
  50 //-----------------------------------------------------------------------------
  51
  52 IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox,wxListBox)
  53
  54 wxCheckListBox::wxCheckListBox() : wxListBox()
  55 {
  56     m_hasCheckBoxes = TRUE;
  57 }
  58
  59 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  60                                const wxPoint& pos,
  61                                const wxSize& size,
  62                                int nStrings,
  63                                const wxString *choices,
  64                                long style,
  65                                const wxValidator& validator,
  66                                const wxString& name )
  67 {
  68     m_hasCheckBoxes = TRUE;
  69     wxListBox::Create( parent, id, pos, size, nStrings, choices, style, validator, name );
  70 }
  71
  72 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  73                                const wxPoint& pos,
  74                                const wxSize& size,
  75                                const wxArrayString& choices,
  76                                long style,
  77                                const wxValidator& validator,
  78                                const wxString& name )
  79 {
  80     m_hasCheckBoxes = TRUE;
  81     wxListBox::Create( parent, id, pos, size, choices,
  82                        style, validator, name );
  83 }
  84
  85 #if wxUSE_NATIVEGTKCHECKLIST
  86 void wxCheckListBox::DoCreateCheckList()
  87 {
  88     //Create the checklist in our treeview and set up events for it
  89     GtkCellRenderer* renderer =
  90         gtk_cell_renderer_toggle_new();
  91     GtkTreeViewColumn* column =
  92         gtk_tree_view_column_new_with_attributes( "", renderer,
  93                                                   "active", 0,
  94                                                   NULL );
  95     gtk_tree_view_column_set_fixed_width(column, 20);
  96     gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
  97     gtk_tree_view_column_set_clickable(column, TRUE);
  98
  99     g_signal_connect (renderer, "toggled",
 100                       G_CALLBACK (gtk_checklist_toggled),
 101                       this);
 102
 103     gtk_tree_view_append_column(m_treeview, column);
 104 }
 105
 106 bool wxCheckListBox::IsChecked( int index ) const
 107 {
 108     wxCHECK_MSG( m_treeview != NULL, FALSE, wxT("invalid checklistbox") );
 109
 110     GtkTreeIter iter;
 111     gboolean res = gtk_tree_model_iter_nth_child(
 112                         GTK_TREE_MODEL(m_liststore),
 113                         &iter, NULL, //NULL = parent = get first
 114                         index
 115                                                 );
 116     if(!res)
 117         return false;
 118
 119     GValue value = {0, };
 120     gtk_tree_model_get_value(GTK_TREE_MODEL(m_liststore),
 121                              &iter,
 122                              0, //column
 123                              &value);
 124
 125     return g_value_get_boolean(&value) == TRUE ? true : false;
 126 }
 127
 128 void wxCheckListBox::Check( int index, bool check )
 129 {
 130     wxCHECK_RET( m_treeview != NULL, wxT("invalid checklistbox") );
 131
 132     GtkTreeIter iter;
 133     gboolean res = gtk_tree_model_iter_nth_child(
 134                         GTK_TREE_MODEL(m_liststore),
 135                         &iter, NULL, //NULL = parent = get first
 136                         index
 137                                                 );
 138     if(!res)
 139         return;
 140
 141     gtk_list_store_set(m_liststore,
 142                        &iter,
 143                        0, //column
 144                        check ? TRUE : FALSE, -1);
 145 }
 146
 147 int wxCheckListBox::GetItemHeight() const
 148 {
 149     wxCHECK_MSG( m_treeview != NULL, 0, wxT("invalid listbox"));
 150
 151     gint height;
 152     gtk_tree_view_column_cell_get_size(
 153         gtk_tree_view_get_column(m_treeview, 0),
 154                                        NULL, NULL, NULL, NULL,
 155                                        &height);
 156     return height;
 157 }
 158
 159 #else //NON-NATIVE
 160
 161 bool wxCheckListBox::IsChecked( int index ) const
 162 {
 163     wxCHECK_MSG( m_treeview != NULL, FALSE, wxT("invalid checklistbox") );
 164
 165     GtkTreeEntry* entry = GtkGetEntry(index);
 166     if (entry)
 167     {
 168         wxString str( wxGTK_CONV_BACK( gtk_tree_entry_get_label(entry) ) );
 169
 170         return str.GetChar(1) == wxCHECKLBOX_CHECKED;
 171     }
 172
 173     wxFAIL_MSG(wxT("wrong checklistbox index"));
 174     return FALSE;
 175 }
 176
 177 void wxCheckListBox::Check( int index, bool check )
 178 {
 179     wxCHECK_RET( m_treeview != NULL, wxT("invalid checklistbox") );
 180
 181     GtkTreeEntry* entry = GtkGetEntry(index);
 182     if (entry)
 183     {
 184         wxString str( wxGTK_CONV_BACK( gtk_tree_entry_get_label(entry) ) );
 185
 186         if (check == (str.GetChar(1) == wxCHECKLBOX_CHECKED))
 187             return;
 188
 189         str.SetChar( 1, check ? wxCHECKLBOX_CHECKED : wxCHECKLBOX_UNCHECKED );
 190
 191         gtk_tree_entry_set_label( entry, wxGTK_CONV( str ) );
 192
 193         return;
 194     }
 195
 196     wxFAIL_MSG(wxT("wrong checklistbox index"));
 197 }
 198
 199 int wxCheckListBox::GetItemHeight() const
 200 {
 201     // FIXME
 202     return 22;
 203 }
 204
 205 #endif //wxUSE_NATIVEGTKCHECKLIST
 206
 207 #endif //wxUSE_CHECKLISTBOX