src/palmos/control.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/palmos/control.cpp
   3 // Purpose:     wxControl class
   4 // Author:      William Osborne - minimal working wxPalmOS port
   5 // Modified by:
   6 // Created:     10/13/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) William Osborne
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "control.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_CONTROLS
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/event.h"
  35     #include "wx/app.h"
  36     #include "wx/dcclient.h"
  37     #include "wx/log.h"
  38     #include "wx/settings.h"
  39 #endif
  40
  41 #include "wx/control.h"
  42
  43 // ----------------------------------------------------------------------------
  44 // wxWin macros
  45 // ----------------------------------------------------------------------------
  46
  47 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
  48
  49 BEGIN_EVENT_TABLE(wxControl, wxWindow)
  50     EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground)
  51 END_EVENT_TABLE()
  52
  53 // ============================================================================
  54 // wxControl implementation
  55 // ============================================================================
  56
  57 // ----------------------------------------------------------------------------
  58 // wxControl ctor/dtor
  59 // ----------------------------------------------------------------------------
  60
  61 wxControl::~wxControl()
  62 {
  63     m_isBeingDeleted = true;
  64 }
  65
  66 // ----------------------------------------------------------------------------
  67 // control window creation
  68 // ----------------------------------------------------------------------------
  69
  70 bool wxControl::Create(wxWindow *parent,
  71                        wxWindowID id,
  72                        const wxPoint& pos,
  73                        const wxSize& size,
  74                        long style,
  75                        const wxValidator& wxVALIDATOR_PARAM(validator),
  76                        const wxString& name)
  77 {
  78     if ( !wxWindow::Create(parent, id, pos, size, style, name) )
  79         return false;
  80
  81 #if wxUSE_VALIDATORS
  82     SetValidator(validator);
  83 #endif
  84
  85     return true;
  86 }
  87
  88 bool wxControl::PalmCreateControl(ControlStyleType style,
  89                                   wxWindow *parent,
  90                                   wxWindowID id,
  91                                   const wxString& label,
  92                                   const wxPoint& pos,
  93                                   const wxSize& size)
  94 {
  95     FormType* form = FrmGetActiveForm ();
  96     m_control = CtlNewControl (
  97                     (void **)&form,
  98                     id,
  99                     style,
 100                     label.c_str(),
 101                     pos.x,
 102                     pos.y,
 103                     size.x,
 104                     size.y,
 105                     boldFont,
 106                     0,
 107                     false
 108                 );
 109
 110     if(m_control==NULL)
 111         return false;
 112
 113     form = FrmGetActiveForm ();
 114     m_objectIndex = FrmGetObjectIndex(form, id);
 115     Show();
 116     return true;
 117 }
 118
 119 // ----------------------------------------------------------------------------
 120 // various accessors
 121 // ----------------------------------------------------------------------------
 122
 123 wxBorder wxControl::GetDefaultBorder() const
 124 {
 125     // we want to automatically give controls a sunken style (confusingly,
 126     // it may not really mean sunken at all as we map it to WS_EX_CLIENTEDGE
 127     // which is not sunken at all under Windows XP -- rather, just the default)
 128     return wxBORDER_SUNKEN;
 129 }
 130
 131 wxSize wxControl::DoGetBestSize() const
 132 {
 133     return wxSize(16, 16);
 134 }
 135
 136 bool wxControl::Enable(bool enable)
 137 {
 138     if( m_control == NULL )
 139         return false;
 140     if( IsEnabled() == enable)
 141         return false;
 142     CtlSetEnabled( m_control, enable);
 143     return true;
 144 }
 145
 146 bool wxControl::IsEnabled() const
 147 {
 148     if( m_control == NULL )
 149         return false;
 150     return CtlEnabled(m_control);
 151 }
 152
 153 bool wxControl::IsShown() const
 154 {
 155     return StatGetAttribute ( statAttrBarVisible , NULL );
 156 }
 157
 158 bool wxControl::Show( bool show )
 159 {
 160     if(show)
 161         FrmShowObject(FrmGetActiveForm(), m_objectIndex);
 162     else
 163         FrmHideObject(FrmGetActiveForm(), m_objectIndex);
 164     return true;
 165 }
 166
 167 /* static */ wxVisualAttributes
 168 wxControl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 169 {
 170     wxVisualAttributes attrs;
 171
 172     // old school (i.e. not "common") controls use the standard dialog font
 173     // by default
 174     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 175
 176     // most, or at least many, of the controls use the same colours as the
 177     // buttons -- others will have to override this (and possibly simply call
 178     // GetCompositeControlsDefaultAttributes() from their versions)
 179     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT);
 180     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
 181
 182     return attrs;
 183 }
 184
 185 // another version for the "composite", i.e. non simple controls
 186 /* static */ wxVisualAttributes
 187 wxControl::GetCompositeControlsDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 188 {
 189     wxVisualAttributes attrs;
 190     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
 191     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
 192     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
 193
 194     return attrs;
 195 }
 196
 197 // ----------------------------------------------------------------------------
 198 // message handling
 199 // ----------------------------------------------------------------------------
 200
 201 bool wxControl::ProcessCommand(wxCommandEvent& event)
 202 {
 203     return GetEventHandler()->ProcessEvent(event);
 204 }
 205
 206 void wxControl::OnEraseBackground(wxEraseEvent& event)
 207 {
 208 }
 209
 210 WXHBRUSH wxControl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
 211 #if wxUSE_CTL3D
 212                                WXUINT message,
 213                                WXWPARAM wParam,
 214                                WXLPARAM lParam
 215 #else
 216                                WXUINT WXUNUSED(message),
 217                                WXWPARAM WXUNUSED(wParam),
 218                                WXLPARAM WXUNUSED(lParam)
 219 #endif
 220     )
 221 {
 222     return (WXHBRUSH)0;
 223 }
 224
 225 // ---------------------------------------------------------------------------
 226 // global functions
 227 // ---------------------------------------------------------------------------
 228
 229 #endif // wxUSE_CONTROLS