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__) && !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 wxUSE_BMPBUTTON
 187 #if defined(__WIN32__) && defined(BS_BITMAP)
 188         else if (style & BS_BITMAP)
 189         {
 190             // TODO: how to find the bitmap?
 191             win = new wxBitmapButton;
 192             wxLogError(wxT("Have not yet implemented bitmap button as BS_BITMAP button."));
 193         }
 194 #endif
 195         else if (style1 == BS_OWNERDRAW)
 196         {
 197             // TODO: how to find the bitmap?
 198             // TODO: can't distinguish between bitmap button and bitmap static.
 199             // Change implementation of wxStaticBitmap to SS_BITMAP.
 200             // PROBLEM: this assumes that we're using resource-based bitmaps.
 201             // So maybe need 2 implementations of bitmap buttons/static controls,
 202             // with a switch in the drawing code. Call default proc if BS_BITMAP.
 203             win = new wxBitmapButton;
 204         }
 205 #endif
 206         else if ((style1 == BS_PUSHBUTTON) || (style1 == BS_DEFPUSHBUTTON))
 207         {
 208             win = new wxButton;
 209         }
 210         else if (style1 == BS_GROUPBOX)
 211         {
 212             win = new wxStaticBox;
 213         }
 214         else
 215         {
 216             wxLogError(wxT("Don't know what kind of button this is: id = %ld"),
 217                        id);
 218         }
 219     }
 220     else if (str == wxT("COMBOBOX"))
 221     {
 222         win = new wxComboBox;
 223     }
 224     // TODO: Problem if the user creates a multiline - but not rich text - text control,
 225     // since wxWin assumes RichEdit control for this. Should have m_isRichText in
 226     // wxTextCtrl. Also, convert as much of the window style as is necessary
 227     // for correct functioning.
 228     // Could have wxWindow::AdoptAttributesFromHWND(WXHWND)
 229     // to be overridden by each control class.
 230     else if (str == wxT("EDIT"))
 231     {
 232         win = new wxTextCtrl;
 233     }
 234     else if (str == wxT("LISTBOX"))
 235     {
 236         win = new wxListBox;
 237     }
 238     else if (str == wxT("SCROLLBAR"))
 239     {
 240         win = new wxScrollBar;
 241     }
 242 #if defined(__WIN95__) && !defined(__TWIN32__) && wxUSE_SPINBTN
 243     else if (str == wxT("MSCTLS_UPDOWN32"))
 244     {
 245         win = new wxSpinButton;
 246     }
 247 #endif
 248 #if wxUSE_SLIDER
 249     else if (str == wxT("MSCTLS_TRACKBAR32"))
 250     {
 251         // Need to ascertain if it's horiz or vert
 252         win = new wxSlider;
 253     }
 254 #endif // wxUSE_SLIDER
 255     else if (str == wxT("STATIC"))
 256     {
 257         int style1 = (style & 0xFF);
 258
 259         if ((style1 == SS_LEFT) || (style1 == SS_RIGHT) || (style1 == SS_SIMPLE))
 260             win = new wxStaticText;
 261 #if wxUSE_STATBMP
 262 #if defined(__WIN32__) && defined(BS_BITMAP)
 263         else if (style1 == SS_BITMAP)
 264         {
 265             win = new wxStaticBitmap;
 266
 267             // Help! this doesn't correspond with the wxWin implementation.
 268             wxLogError(wxT("Please make SS_BITMAP statics into owner-draw buttons."));
 269         }
 270 #endif
 271 #endif  /* wxUSE_STATBMP */
 272     }
 273     else
 274     {
 275         wxString msg(wxT("Don't know how to convert from Windows class "));
 276         msg += str;
 277         wxLogError(msg);
 278     }
 279
 280     if (win)
 281     {
 282         parent->AddChild(win);
 283         win->SetEventHandler(win);
 284         win->SetHWND(hWnd);
 285         win->SetId(id);
 286         win->SubclassWin(hWnd);
 287         win->AdoptAttributesFromHWND();
 288         win->SetupColours();
 289     }
 290
 291     return win;
 292 }
 293
 294 // Make sure the window style (etc.) reflects the HWND style (roughly)
 295 void wxWindow::AdoptAttributesFromHWND(void)
 296 {
 297     HWND hWnd = (HWND) GetHWND();
 298     long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
 299
 300     if (style & WS_VSCROLL)
 301         m_windowStyle |= wxVSCROLL;
 302     if (style & WS_HSCROLL)
 303         m_windowStyle |= wxHSCROLL;
 304 }
 305