| 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. |
| 41 | enum { |
| 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. |
| 50 | enum { |
| 51 | RECORD_COLUMN = 0, |
| 52 | ACTION_COLUMN, |
| 53 | PRIORITY_COLUMN |
| 54 | }; |
| 55 | |
| 56 | //----------------------------------------------------------------------------- |
| 57 | // wxWidgets macro: implement dynamic class |
| 58 | //----------------------------------------------------------------------------- |
| 59 | |
| 60 | IMPLEMENT_DYNAMIC_CLASS( MyResizableListCtrl, wxListCtrl ) |
| 61 | |
| 62 | //----------------------------------------------------------------------------- |
| 63 | // Event table: connect the events to the handler functions to process them |
| 64 | //----------------------------------------------------------------------------- |
| 65 | |
| 66 | BEGIN_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 ) |
| 71 | END_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. |
| 79 | MyResizableListCtrl::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 | |
| 97 | void 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 | |
| 119 | void 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 | |
| 130 | void 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 | |