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
   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
  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__)
  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     if (hWndNext)
  78         CreateWindowFromHWND(this, (WXHWND) hWndNext);
  79
  80     while (hWndNext != (HWND) NULL)
  81     {
  82         hWndNext = ::GetWindow(hWndNext, GW_HWNDNEXT);
  83         if (hWndNext)
  84             CreateWindowFromHWND(this, (WXHWND) hWndNext);
  85     }
  86
  87     return TRUE;
  88 }
  89
  90 bool wxWindow::LoadNativeDialog(wxWindow* parent, const wxString& name)
  91 {
  92     SetName(name);
  93
  94     wxWindowCreationHook hook(this);
  95     m_hWnd = (WXHWND)::CreateDialog((HINSTANCE) wxGetInstance(),
  96                                     name.c_str(),
  97                                     parent ? (HWND)parent->GetHWND() : 0,
  98                                     (DLGPROC)wxDlgProc);
  99
 100     if ( !m_hWnd )
 101         return FALSE;
 102
 103     SubclassWin(GetHWND());
 104
 105     if ( parent )
 106         parent->AddChild(this);
 107     else
 108         wxTopLevelWindows.Append(this);
 109
 110     // Enumerate all children
 111     HWND hWndNext;
 112     hWndNext = ::GetWindow((HWND) m_hWnd, GW_CHILD);
 113
 114     if (hWndNext)
 115         CreateWindowFromHWND(this, (WXHWND) hWndNext);
 116
 117     while (hWndNext != (HWND) NULL)
 118     {
 119         hWndNext = ::GetWindow(hWndNext, GW_HWNDNEXT);
 120         if (hWndNext)
 121             CreateWindowFromHWND(this, (WXHWND) hWndNext);
 122     }
 123
 124     return TRUE;
 125 }
 126
 127 // ---------------------------------------------------------------------------
 128 // look for child by id
 129 // ---------------------------------------------------------------------------
 130
 131 wxWindow* wxWindow::GetWindowChild1(wxWindowID id)
 132 {
 133     if ( m_windowId == id )
 134         return this;
 135
 136     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 137     while ( node )
 138     {
 139         wxWindow* child = node->GetData();
 140         wxWindow* win = child->GetWindowChild1(id);
 141         if ( win )
 142             return win;
 143
 144         node = node->GetNext();
 145     }
 146
 147     return NULL;
 148 }
 149
 150 wxWindow* wxWindow::GetWindowChild(wxWindowID id)
 151 {
 152     wxWindow* win = GetWindowChild1(id);
 153     if ( !win )
 154     {
 155         HWND hWnd = ::GetDlgItem((HWND) GetHWND(), id);
 156
 157         if (hWnd)
 158         {
 159             wxWindow* child = CreateWindowFromHWND(this, (WXHWND) hWnd);
 160             if (child)
 161             {
 162                 child->AddChild(this);
 163                 return child;
 164             }
 165         }
 166     }
 167
 168     return NULL;
 169 }
 170
 171 // ---------------------------------------------------------------------------
 172 // create wxWin window from a native HWND
 173 // ---------------------------------------------------------------------------
 174
 175 wxWindow* wxWindow::CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd)
 176 {
 177     wxString str(wxGetWindowClass(hWnd));
 178     str.UpperCase();
 179
 180     long id = wxGetWindowId(hWnd);
 181     long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
 182
 183     wxWindow* win = NULL;
 184
 185     if (str == wxT("BUTTON"))
 186     {
 187         int style1 = (style & 0xFF);
 188         if ((style1 == BS_3STATE) || (style1 == BS_AUTO3STATE) || (style1 == BS_AUTOCHECKBOX) ||
 189             (style1 == BS_CHECKBOX))
 190         {
 191             win = new wxCheckBox;
 192         }
 193         else if ((style1 == BS_AUTORADIOBUTTON) || (style1 == BS_RADIOBUTTON))
 194         {
 195             win = new wxRadioButton;
 196         }
 197 #if wxUSE_BMPBUTTON
 198 #if defined(__WIN32__) && defined(BS_BITMAP)
 199         else if (style & BS_BITMAP)
 200         {
 201             // TODO: how to find the bitmap?
 202             win = new wxBitmapButton;
 203             wxLogError(wxT("Have not yet implemented bitmap button as BS_BITMAP button."));
 204         }
 205 #endif
 206         else if (style1 == BS_OWNERDRAW)
 207         {
 208             // TODO: how to find the bitmap?
 209             // TODO: can't distinguish between bitmap button and bitmap static.
 210             // Change implementation of wxStaticBitmap to SS_BITMAP.
 211             // PROBLEM: this assumes that we're using resource-based bitmaps.
 212             // So maybe need 2 implementations of bitmap buttons/static controls,
 213             // with a switch in the drawing code. Call default proc if BS_BITMAP.
 214             win = new wxBitmapButton;
 215         }
 216 #endif
 217         else if ((style1 == BS_PUSHBUTTON) || (style1 == BS_DEFPUSHBUTTON))
 218         {
 219             win = new wxButton;
 220         }
 221         else if (style1 == BS_GROUPBOX)
 222         {
 223             win = new wxStaticBox;
 224         }
 225         else
 226         {
 227             wxLogError(wxT("Don't know what kind of button this is: id = %ld"),
 228                        id);
 229         }
 230     }
 231     else if (str == wxT("COMBOBOX"))
 232     {
 233         win = new wxComboBox;
 234     }
 235     // TODO: Problem if the user creates a multiline - but not rich text - text control,
 236     // since wxWin assumes RichEdit control for this. Should have m_isRichText in
 237     // wxTextCtrl. Also, convert as much of the window style as is necessary
 238     // for correct functioning.
 239     // Could have wxWindow::AdoptAttributesFromHWND(WXHWND)
 240     // to be overridden by each control class.
 241     else if (str == wxT("EDIT"))
 242     {
 243         win = new wxTextCtrl;
 244     }
 245     else if (str == wxT("LISTBOX"))
 246     {
 247         win = new wxListBox;
 248     }
 249     else if (str == wxT("SCROLLBAR"))
 250     {
 251         win = new wxScrollBar;
 252     }
 253 #if defined(__WIN95__) && wxUSE_SPINBTN
 254     else if (str == wxT("MSCTLS_UPDOWN32"))
 255     {
 256         win = new wxSpinButton;
 257     }
 258 #endif
 259 #if wxUSE_SLIDER
 260     else if (str == wxT("MSCTLS_TRACKBAR32"))
 261     {
 262         // Need to ascertain if it's horiz or vert
 263         win = new wxSlider;
 264     }
 265 #endif // wxUSE_SLIDER
 266     else if (str == wxT("STATIC"))
 267     {
 268         int style1 = (style & 0xFF);
 269
 270         if ((style1 == SS_LEFT) || (style1 == SS_RIGHT)
 271 #ifndef __WXWINCE__
 272             || (style1 == SS_SIMPLE)
 273 #endif
 274             )
 275             win = new wxStaticText;
 276 #if wxUSE_STATBMP
 277 #if defined(__WIN32__) && defined(BS_BITMAP)
 278         else if (style1 == SS_BITMAP)
 279         {
 280             win = new wxStaticBitmap;
 281
 282             // Help! this doesn't correspond with the wxWin implementation.
 283             wxLogError(wxT("Please make SS_BITMAP statics into owner-draw buttons."));
 284         }
 285 #endif
 286 #endif  /* wxUSE_STATBMP */
 287     }
 288     else
 289     {
 290         wxString msg(wxT("Don't know how to convert from Windows class "));
 291         msg += str;
 292         wxLogError(msg);
 293     }
 294
 295     if (win)
 296     {
 297         parent->AddChild(win);
 298         win->SetEventHandler(win);
 299         win->SetHWND(hWnd);
 300         win->SetId(id);
 301         win->SubclassWin(hWnd);
 302         win->AdoptAttributesFromHWND();
 303         win->SetupColours();
 304     }
 305
 306     return win;
 307 }
 308
 309 // Make sure the window style (etc.) reflects the HWND style (roughly)
 310 void wxWindow::AdoptAttributesFromHWND(void)
 311 {
 312     HWND hWnd = (HWND) GetHWND();
 313     long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
 314
 315     if (style & WS_VSCROLL)
 316         m_windowStyle |= wxVSCROLL;
 317     if (style & WS_HSCROLL)
 318         m_windowStyle |= wxHSCROLL;
 319 }
 320