src/msw/nativdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        nativdlg.cpp
   3 // Purpose:     Native dialog loading code (part of wxWindow)
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation
  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 #ifndef WX_PRECOMP
  32     #include <stdio.h>
  33
  34     #include "wx/wx.h"
  35 #endif
  36
  37 #if defined(__WIN95__) && !defined(__TWIN32__)
  38 #include "wx/spinbutt.h"
  39 #endif
  40 #include "wx/msw/private.h"
  41
  42 // ---------------------------------------------------------------------------
  43 // global functions
  44 // ---------------------------------------------------------------------------
  45
  46 extern LONG APIENTRY _EXPORT wxDlgProc(HWND hWnd, UINT message,
  47                                        WPARAM wParam, LPARAM lParam);
  48
  49 // ===========================================================================
  50 // implementation
  51 // ===========================================================================
  52
  53 bool wxWindow::LoadNativeDialog(wxWindow* parent, wxWindowID& id)
  54 {
  55     m_windowId = id;
  56
  57     wxWindowCreationHook hook(this);
  58     m_hWnd = (WXHWND)::CreateDialog((HINSTANCE)wxGetInstance(),
  59                                     MAKEINTRESOURCE(id),
  60                                     parent ? (HWND)parent->GetHWND() : 0,
  61                                     (DLGPROC) wxDlgProc);
  62
  63     if ( !m_hWnd )
  64         return FALSE;
  65
  66     SubclassWin(GetHWND());
  67
  68     if ( parent )
  69         parent->AddChild(this);
  70     else
  71         wxTopLevelWindows.Append(this);
  72
  73     // Enumerate all children
  74     HWND hWndNext;
  75     hWndNext = ::GetWindow((HWND) m_hWnd, GW_CHILD);
  76
  77     wxWindow* child = NULL;
  78     if (hWndNext)
  79         child = CreateWindowFromHWND(this, (WXHWND) hWndNext);
  80
  81     while (hWndNext != (HWND) NULL)
  82     {
  83         hWndNext = ::GetWindow(hWndNext, GW_HWNDNEXT);
  84         if (hWndNext)
  85             child = CreateWindowFromHWND(this, (WXHWND) hWndNext);
  86     }
  87
  88     return TRUE;
  89 }
  90
  91 bool wxWindow::LoadNativeDialog(wxWindow* parent, const wxString& name)
  92 {
  93     SetName(name);
  94
  95     wxWindowCreationHook hook(this);
  96     m_hWnd = (WXHWND)::CreateDialog((HINSTANCE) wxGetInstance(),
  97                                     name.c_str(),
  98                                     parent ? (HWND)parent->GetHWND() : 0,
  99                                     (DLGPROC)wxDlgProc);
 100
 101     if ( !m_hWnd )
 102         return FALSE;
 103
 104     SubclassWin(GetHWND());
 105
 106     if ( parent )
 107         parent->AddChild(this);
 108     else
 109         wxTopLevelWindows.Append(this);
 110
 111     // FIXME why don't we enum all children here?
 112
 113     return TRUE;
 114 }
 115
 116 // ---------------------------------------------------------------------------
 117 // look for child by id
 118 // ---------------------------------------------------------------------------
 119
 120 wxWindow* wxWindow::GetWindowChild1(wxWindowID id)
 121 {
 122     if ( m_windowId == id )
 123         return this;
 124
 125     wxWindowList::Node *node = GetChildren().GetFirst();
 126     while ( node )
 127     {
 128         wxWindow* child = node->GetData();
 129         wxWindow* win = child->GetWindowChild1(id);
 130         if ( win )
 131             return win;
 132
 133         node = node->GetNext();
 134     }
 135
 136     return NULL;
 137 }
 138
 139 wxWindow* wxWindow::GetWindowChild(wxWindowID id)
 140 {
 141     wxWindow* win = GetWindowChild1(id);
 142     if ( !win )
 143     {
 144         HWND hWnd = ::GetDlgItem((HWND) GetHWND(), id);
 145
 146         if (hWnd)
 147         {
 148             wxWindow* child = CreateWindowFromHWND(this, (WXHWND) hWnd);
 149             if (child)
 150             {
 151                 child->AddChild(this);
 152                 return child;
 153             }
 154         }
 155     }
 156
 157     return NULL;
 158 }
 159
 160 // ---------------------------------------------------------------------------
 161 // create wxWin window from a native HWND
 162 // ---------------------------------------------------------------------------
 163
 164 wxWindow* wxWindow::CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd)
 165 {
 166     wxString str(wxGetWindowClass(hWnd));
 167     str.UpperCase();
 168
 169     long id = wxGetWindowId(hWnd);
 170     long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
 171
 172     wxWindow* win = NULL;
 173
 174     if (str == wxT("BUTTON"))
 175     {
 176         int style1 = (style & 0xFF);
 177         if ((style1 == BS_3STATE) || (style1 == BS_AUTO3STATE) || (style1 == BS_AUTOCHECKBOX) ||
 178             (style1 == BS_CHECKBOX))
 179         {
 180             win = new wxCheckBox;
 181         }
 182         else if ((style1 == BS_AUTORADIOBUTTON) || (style1 == BS_RADIOBUTTON))
 183         {
 184             win = new wxRadioButton;
 185         }
 186 #if defined(__WIN32__) && defined(BS_BITMAP)
 187         else if (style & BS_BITMAP)
 188         {
 189             // TODO: how to find the bitmap?
 190             win = new wxBitmapButton;
 191             wxLogError(wxT("Have not yet implemented bitmap button as BS_BITMAP button."));
 192         }
 193 #endif
 194         else if (style1 == BS_OWNERDRAW)
 195         {
 196             // TODO: how to find the bitmap?
 197             // TODO: can't distinguish between bitmap button and bitmap static.
 198             // Change implementation of wxStaticBitmap to SS_BITMAP.
 199             // PROBLEM: this assumes that we're using resource-based bitmaps.
 200             // So maybe need 2 implementations of bitmap buttons/static controls,
 201             // with a switch in the drawing code. Call default proc if BS_BITMAP.
 202             win = new wxBitmapButton;
 203         }
 204         else if ((style1 == BS_PUSHBUTTON) || (style1 == BS_DEFPUSHBUTTON))
 205         {
 206             win = new wxButton;
 207         }
 208         else if (style1 == BS_GROUPBOX)
 209         {
 210             win = new wxStaticBox;
 211         }
 212         else
 213         {
 214             wxLogError(wxT("Don't know what kind of button this is: id = %d"),
 215                        id);
 216         }
 217     }
 218     else if (str == wxT("COMBOBOX"))
 219     {
 220         win = new wxComboBox;
 221     }
 222     // TODO: Problem if the user creates a multiline - but not rich text - text control,
 223     // since wxWin assumes RichEdit control for this. Should have m_isRichText in
 224     // wxTextCtrl. Also, convert as much of the window style as is necessary
 225     // for correct functioning.
 226     // Could have wxWindow::AdoptAttributesFromHWND(WXHWND)
 227     // to be overridden by each control class.
 228     else if (str == wxT("EDIT"))
 229     {
 230         win = new wxTextCtrl;
 231     }
 232     else if (str == wxT("LISTBOX"))
 233     {
 234         win = new wxListBox;
 235     }
 236     else if (str == wxT("SCROLLBAR"))
 237     {
 238         win = new wxScrollBar;
 239     }
 240 #if defined(__WIN95__) && !defined(__TWIN32__) && wxUSE_SPINBTN
 241     else if (str == wxT("MSCTLS_UPDOWN32"))
 242     {
 243         win = new wxSpinButton;
 244     }
 245 #endif
 246 #if wxUSE_SLIDER
 247     else if (str == wxT("MSCTLS_TRACKBAR32"))
 248     {
 249         // Need to ascertain if it's horiz or vert
 250         win = new wxSlider;
 251     }
 252 #endif // wxUSE_SLIDER
 253     else if (str == wxT("STATIC"))
 254     {
 255         int style1 = (style & 0xFF);
 256
 257         if ((style1 == SS_LEFT) || (style1 == SS_RIGHT) || (style1 == SS_SIMPLE))
 258             win = new wxStaticText;
 259 #if defined(__WIN32__) && defined(BS_BITMAP)
 260         else if (style1 == SS_BITMAP)
 261         {
 262             win = new wxStaticBitmap;
 263
 264             // Help! this doesn't correspond with the wxWin implementation.
 265             wxLogError(wxT("Please make SS_BITMAP statics into owner-draw buttons."));
 266         }
 267 #endif
 268     }
 269     else
 270     {
 271         wxString msg(wxT("Don't know how to convert from Windows class "));
 272         msg += str;
 273         wxLogError(msg);
 274     }
 275
 276     if (win)
 277     {
 278         parent->AddChild(win);
 279         win->SetEventHandler(win);
 280         win->SetHWND(hWnd);
 281         win->SetId(id);
 282         win->SubclassWin(hWnd);
 283         win->AdoptAttributesFromHWND();
 284         win->SetupColours();
 285     }
 286
 287     return win;
 288 }
 289
 290 // Make sure the window style (etc.) reflects the HWND style (roughly)
 291 void wxWindow::AdoptAttributesFromHWND(void)
 292 {
 293     HWND hWnd = (HWND) GetHWND();
 294     long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
 295
 296     if (style & WS_VSCROLL)
 297         m_windowStyle |= wxVSCROLL;
 298     if (style & WS_HSCROLL)
 299         m_windowStyle |= wxHSCROLL;
 300 }
 301