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1//-----------------------------------------------------------------------------
2// Name: custclass.cpp
3// Purpose: XML resources sample: A custom class to insert into a XRC file
4// Author: Robert O'Connor (rob@medicalmnemonics.com), Vaclav Slavik
5// RCS-ID: $Id$
6// Copyright: (c) Robert O'Connor and Vaclav Slavik
7// Licence: wxWindows licence
8//-----------------------------------------------------------------------------
9
10//-----------------------------------------------------------------------------
11// Standard wxWidgets headers
12//-----------------------------------------------------------------------------
13
14// For compilers that support precompilation, includes "wx/wx.h".
15#include "wx/wxprec.h"
16
17#ifdef __BORLANDC__
18 #pragma hdrstop
19#endif
20
21// For all others, include the necessary headers (this file is usually all you
22// need because it includes almost all "standard" wxWidgets headers)
23#ifndef WX_PRECOMP
24 #include "wx/wx.h"
25#endif
26
27//-----------------------------------------------------------------------------
28// Header of this .cpp file
29//-----------------------------------------------------------------------------
30
31#include "custclas.h"
32
33//-----------------------------------------------------------------------------
34// Internal constants
35//-----------------------------------------------------------------------------
36
37// Popup menu (PU) item control IDs. In this example, they aren't hooked up
38// to any functions. Normally you would use these IDs in your event table, so
39// that if one of these menu items is clicked, then a certain function is
40// called.
41enum {
42 PU_ADD_RECORD = wxID_HIGHEST + 1,
43 PU_EDIT_RECORD,
44 PU_DELETE_RECORD
45};
46
47// Columns of the listctrl (the leftmost one starts at 0, and so on).
48// Allows easier code maintenance if want to add/rearrangement of listctrl's
49// columns.
50enum {
51 RECORD_COLUMN = 0,
52 ACTION_COLUMN,
53 PRIORITY_COLUMN
54};
55
56//-----------------------------------------------------------------------------
57// wxWidgets macro: implement dynamic class
58//-----------------------------------------------------------------------------
59
60IMPLEMENT_DYNAMIC_CLASS( MyResizableListCtrl, wxListCtrl )
61
62//-----------------------------------------------------------------------------
63// Event table: connect the events to the handler functions to process them
64//-----------------------------------------------------------------------------
65
66BEGIN_EVENT_TABLE( MyResizableListCtrl, wxListCtrl )
67 // Something to do when right mouse down
68 EVT_RIGHT_DOWN( MyResizableListCtrl::ContextSensitiveMenu )
69 // Something to do when resized
70 EVT_SIZE( MyResizableListCtrl::OnSize )
71END_EVENT_TABLE()
72
73//-----------------------------------------------------------------------------
74// Public methods
75//-----------------------------------------------------------------------------
76
77// Constructor, including setting the dialog's m_configuration_section member
78// to the incoming configuration_section string.
79MyResizableListCtrl::MyResizableListCtrl( wxWindow *parent, wxWindowID id,
80 const wxPoint& pos, const wxSize& size,
81 long style, const wxValidator& validator,
82 const wxString& name )
83 : wxListCtrl( parent, id, pos, size, style, validator, name )
84{
85
86 // This listctrl needs to insert its columns in the constructor, since
87 // as soon as the listctrl is built, it is resized and grafted onto an
88 // "unknown" XRC placeholder. This induces an OnSize() event, calling the
89 // overrriden OnSize function for this class, which needs to have 3
90 // columns to resize (else an assert on WXGTK debug build).
91 InsertColumn( RECORD_COLUMN, _("Record"), wxLIST_FORMAT_LEFT, 140);
92 InsertColumn( ACTION_COLUMN, _("Action"), wxLIST_FORMAT_LEFT, 70);
93 InsertColumn( PRIORITY_COLUMN, _("Priority"), wxLIST_FORMAT_LEFT, 70 );
94}
95
96
97void MyResizableListCtrl::ContextSensitiveMenu( wxMouseEvent& event )
98{
99 // Make an instance of a menu.
100 wxMenu a_menu;
101
102 a_menu.Append( PU_ADD_RECORD, _( "Add a new record...") );
103 a_menu.Append( PU_EDIT_RECORD, _( "Edit selected record..." ) );
104 a_menu.Append( PU_DELETE_RECORD, _( "Delete selected record" ) );
105
106 // If no listctrl rows selected, then disable the menu items that
107 // require selection
108 if ( GetSelectedItemCount() == 0 ) {
109 a_menu.Enable( PU_EDIT_RECORD, false );
110 a_menu.Enable( PU_DELETE_RECORD, false );
111 }
112
113 // Show the popup menu (wxWindow::PopupMenu ), at the x,y position
114 // of the click event
115 PopupMenu( &a_menu, event.GetPosition() );
116}
117
118
119void MyResizableListCtrl::OnSize( wxSizeEvent &event )
120{
121 // Call our custom width setting function.
122 SetColumnWidths();
123 // REQURED event.Skip() call to allow this event to propagate
124 // upwards so others can do what they need to do in response to
125 // this size event.
126 event.Skip();
127}
128
129
130void MyResizableListCtrl::SetColumnWidths()
131{
132 // Get width of entire listctrl
133 int leftmostColumnWidth = GetSize().x;
134
135 // Subtract width of other columns, scrollbar, and some padding
136 leftmostColumnWidth -= GetColumnWidth( ACTION_COLUMN );
137 leftmostColumnWidth -= GetColumnWidth( PRIORITY_COLUMN );
138 leftmostColumnWidth -= wxSystemSettings::GetMetric( wxSYS_VSCROLL_X );
139 leftmostColumnWidth -= 5;
140
141 // Set the column width to the new value.
142 SetColumnWidth( RECORD_COLUMN, leftmostColumnWidth );
143
144 // This is just a debug message in case you want to watch the
145 // events scroll by as you resize.
146 wxLogDebug( wxT("Successfully set column widths") );
147}
148
149