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 #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__)
  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     // Enumerate all children
 112     HWND hWndNext;
 113     hWndNext = ::GetWindow((HWND) m_hWnd, GW_CHILD);
 114
 115     wxWindow* child = NULL;
 116     if (hWndNext)
 117         child = CreateWindowFromHWND(this, (WXHWND) hWndNext);
 118
 119     while (hWndNext != (HWND) NULL)
 120     {
 121         hWndNext = ::GetWindow(hWndNext, GW_HWNDNEXT);
 122         if (hWndNext)
 123             child = CreateWindowFromHWND(this, (WXHWND) hWndNext);
 124     }
 125
 126     return TRUE;
 127 }
 128
 129 // ---------------------------------------------------------------------------
 130 // look for child by id
 131 // ---------------------------------------------------------------------------
 132
 133 wxWindow* wxWindow::GetWindowChild1(wxWindowID id)
 134 {
 135     if ( m_windowId == id )
 136         return this;
 137
 138     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 139     while ( node )
 140     {
 141         wxWindow* child = node->GetData();
 142         wxWindow* win = child->GetWindowChild1(id);
 143         if ( win )
 144             return win;
 145
 146         node = node->GetNext();
 147     }
 148
 149     return NULL;
 150 }
 151
 152 wxWindow* wxWindow::GetWindowChild(wxWindowID id)
 153 {
 154     wxWindow* win = GetWindowChild1(id);
 155     if ( !win )
 156     {
 157         HWND hWnd = ::GetDlgItem((HWND) GetHWND(), id);
 158
 159         if (hWnd)
 160         {
 161             wxWindow* child = CreateWindowFromHWND(this, (WXHWND) hWnd);
 162             if (child)
 163             {
 164                 child->AddChild(this);
 165                 return child;
 166             }
 167         }
 168     }
 169
 170     return NULL;
 171 }
 172
 173 // ---------------------------------------------------------------------------
 174 // create wxWin window from a native HWND
 175 // ---------------------------------------------------------------------------
 176
 177 wxWindow* wxWindow::CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd)
 178 {
 179     wxString str(wxGetWindowClass(hWnd));
 180     str.UpperCase();
 181
 182     long id = wxGetWindowId(hWnd);
 183     long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
 184
 185     wxWindow* win = NULL;
 186
 187     if (str == wxT("BUTTON"))
 188     {
 189         int style1 = (style & 0xFF);
 190         if ((style1 == BS_3STATE) || (style1 == BS_AUTO3STATE) || (style1 == BS_AUTOCHECKBOX) ||
 191             (style1 == BS_CHECKBOX))
 192         {
 193             win = new wxCheckBox;
 194         }
 195         else if ((style1 == BS_AUTORADIOBUTTON) || (style1 == BS_RADIOBUTTON))
 196         {
 197             win = new wxRadioButton;
 198         }
 199 #if wxUSE_BMPBUTTON
 200 #if defined(__WIN32__) && defined(BS_BITMAP)
 201         else if (style & BS_BITMAP)
 202         {
 203             // TODO: how to find the bitmap?
 204             win = new wxBitmapButton;
 205             wxLogError(wxT("Have not yet implemented bitmap button as BS_BITMAP button."));
 206         }
 207 #endif
 208         else if (style1 == BS_OWNERDRAW)
 209         {
 210             // TODO: how to find the bitmap?
 211             // TODO: can't distinguish between bitmap button and bitmap static.
 212             // Change implementation of wxStaticBitmap to SS_BITMAP.
 213             // PROBLEM: this assumes that we're using resource-based bitmaps.
 214             // So maybe need 2 implementations of bitmap buttons/static controls,
 215             // with a switch in the drawing code. Call default proc if BS_BITMAP.
 216             win = new wxBitmapButton;
 217         }
 218 #endif
 219         else if ((style1 == BS_PUSHBUTTON) || (style1 == BS_DEFPUSHBUTTON))
 220         {
 221             win = new wxButton;
 222         }
 223         else if (style1 == BS_GROUPBOX)
 224         {
 225             win = new wxStaticBox;
 226         }
 227         else
 228         {
 229             wxLogError(wxT("Don't know what kind of button this is: id = %ld"),
 230                        id);
 231         }
 232     }
 233     else if (str == wxT("COMBOBOX"))
 234     {
 235         win = new wxComboBox;
 236     }
 237     // TODO: Problem if the user creates a multiline - but not rich text - text control,
 238     // since wxWin assumes RichEdit control for this. Should have m_isRichText in
 239     // wxTextCtrl. Also, convert as much of the window style as is necessary
 240     // for correct functioning.
 241     // Could have wxWindow::AdoptAttributesFromHWND(WXHWND)
 242     // to be overridden by each control class.
 243     else if (str == wxT("EDIT"))
 244     {
 245         win = new wxTextCtrl;
 246     }
 247     else if (str == wxT("LISTBOX"))
 248     {
 249         win = new wxListBox;
 250     }
 251     else if (str == wxT("SCROLLBAR"))
 252     {
 253         win = new wxScrollBar;
 254     }
 255 #if defined(__WIN95__) && wxUSE_SPINBTN
 256     else if (str == wxT("MSCTLS_UPDOWN32"))
 257     {
 258         win = new wxSpinButton;
 259     }
 260 #endif
 261 #if wxUSE_SLIDER
 262     else if (str == wxT("MSCTLS_TRACKBAR32"))
 263     {
 264         // Need to ascertain if it's horiz or vert
 265         win = new wxSlider;
 266     }
 267 #endif // wxUSE_SLIDER
 268     else if (str == wxT("STATIC"))
 269     {
 270         int style1 = (style & 0xFF);
 271
 272         if ((style1 == SS_LEFT) || (style1 == SS_RIGHT)
 273 #ifndef __WXWINCE__
 274             || (style1 == SS_SIMPLE)
 275 #endif
 276             )
 277             win = new wxStaticText;
 278 #if wxUSE_STATBMP
 279 #if defined(__WIN32__) && defined(BS_BITMAP)
 280         else if (style1 == SS_BITMAP)
 281         {
 282             win = new wxStaticBitmap;
 283
 284             // Help! this doesn't correspond with the wxWin implementation.
 285             wxLogError(wxT("Please make SS_BITMAP statics into owner-draw buttons."));
 286         }
 287 #endif
 288 #endif  /* wxUSE_STATBMP */
 289     }
 290     else
 291     {
 292         wxString msg(wxT("Don't know how to convert from Windows class "));
 293         msg += str;
 294         wxLogError(msg);
 295     }
 296
 297     if (win)
 298     {
 299         parent->AddChild(win);
 300         win->SetEventHandler(win);
 301         win->SetHWND(hWnd);
 302         win->SetId(id);
 303         win->SubclassWin(hWnd);
 304         win->AdoptAttributesFromHWND();
 305         win->SetupColours();
 306     }
 307
 308     return win;
 309 }
 310
 311 // Make sure the window style (etc.) reflects the HWND style (roughly)
 312 void wxWindow::AdoptAttributesFromHWND(void)
 313 {
 314     HWND hWnd = (HWND) GetHWND();
 315     long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
 316
 317     if (style & WS_VSCROLL)
 318         m_windowStyle |= wxVSCROLL;
 319     if (style & WS_HSCROLL)
 320         m_windowStyle |= wxHSCROLL;
 321 }
 322