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 wxWindow *wxWndHook;
  47 extern LONG APIENTRY _EXPORT wxDlgProc(HWND hWnd, UINT message,
  48                                        WPARAM wParam, LPARAM lParam);
  49
  50 // ===========================================================================
  51 // implementation
  52 // ===========================================================================
  53
  54 bool wxWindow::LoadNativeDialog(wxWindow* parent, wxWindowID& id)
  55 {
  56     m_windowId = id;
  57     wxWndHook = this;
  58     m_hWnd = (WXHWND)::CreateDialog((HINSTANCE)wxGetInstance(),
  59                                     MAKEINTRESOURCE(id),
  60                                     parent ? (HWND)parent->GetHWND() : 0,
  61                                     (DLGPROC) wxDlgProc);
  62     wxWndHook = NULL;
  63
  64     if ( !m_hWnd )
  65         return FALSE;
  66
  67     SubclassWin(GetHWND());
  68
  69     if ( parent )
  70         parent->AddChild(this);
  71     else
  72         wxTopLevelWindows.Append(this);
  73
  74     // Enumerate all children
  75     HWND hWndNext;
  76     hWndNext = ::GetWindow((HWND) m_hWnd, GW_CHILD);
  77
  78     wxWindow* child = NULL;
  79     if (hWndNext)
  80         child = CreateWindowFromHWND(this, (WXHWND) hWndNext);
  81
  82     while (hWndNext != (HWND) NULL)
  83     {
  84         hWndNext = ::GetWindow(hWndNext, GW_HWNDNEXT);
  85         if (hWndNext)
  86             child = CreateWindowFromHWND(this, (WXHWND) hWndNext);
  87     }
  88
  89     return TRUE;
  90 }
  91
  92 bool wxWindow::LoadNativeDialog(wxWindow* parent, const wxString& name)
  93 {
  94     SetName(name);
  95
  96     wxWndHook = this;
  97     m_hWnd = (WXHWND)::CreateDialog((HINSTANCE) wxGetInstance(),
  98                                     name.c_str(),
  99                                     parent ? (HWND)parent->GetHWND() : 0,
 100                                     (DLGPROC)wxDlgProc);
 101     wxWndHook = NULL;
 102
 103     if ( !m_hWnd )
 104         return FALSE;
 105
 106     SubclassWin(GetHWND());
 107
 108     if ( parent )
 109         parent->AddChild(this);
 110     else
 111         wxTopLevelWindows.Append(this);
 112
 113     // FIXME why don't we enum all children here?
 114
 115     return TRUE;
 116 }
 117
 118 // ---------------------------------------------------------------------------
 119 // look for child by id
 120 // ---------------------------------------------------------------------------
 121
 122 wxWindow* wxWindow::GetWindowChild1(wxWindowID id)
 123 {
 124     if ( m_windowId == id )
 125         return this;
 126
 127     wxWindowList::Node *node = GetChildren().GetFirst();
 128     while ( node )
 129     {
 130         wxWindow* child = node->GetData();
 131         wxWindow* win = child->GetWindowChild1(id);
 132         if ( win )
 133             return win;
 134
 135         node = node->GetNext();
 136     }
 137
 138     return NULL;
 139 }
 140
 141 wxWindow* wxWindow::GetWindowChild(wxWindowID id)
 142 {
 143     wxWindow* win = GetWindowChild1(id);
 144     if ( !win )
 145     {
 146         HWND hWnd = ::GetDlgItem((HWND) GetHWND(), id);
 147
 148         if (hWnd)
 149         {
 150             wxWindow* child = CreateWindowFromHWND(this, (WXHWND) hWnd);
 151             if (child)
 152             {
 153                 child->AddChild(this);
 154                 return child;
 155             }
 156         }
 157     }
 158
 159     return NULL;
 160 }
 161
 162 // ---------------------------------------------------------------------------
 163 // create wxWin window from a native HWND
 164 // ---------------------------------------------------------------------------
 165
 166 wxWindow* wxWindow::CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd)
 167 {
 168     wxString str(wxGetWindowClass(hWnd));
 169     str.UpperCase();
 170
 171     long id = wxGetWindowId(hWnd);
 172     long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
 173
 174     wxWindow* win = NULL;
 175
 176     if (str == _T("BUTTON"))
 177     {
 178         int style1 = (style & 0xFF);
 179         if ((style1 == BS_3STATE) || (style1 == BS_AUTO3STATE) || (style1 == BS_AUTOCHECKBOX) ||
 180             (style1 == BS_CHECKBOX))
 181         {
 182             win = new wxCheckBox;
 183         }
 184         else if ((style1 == BS_AUTORADIOBUTTON) || (style1 == BS_RADIOBUTTON))
 185         {
 186             win = new wxRadioButton;
 187         }
 188 #if defined(__WIN32__) && defined(BS_BITMAP)
 189         else if (style & BS_BITMAP)
 190         {
 191             // TODO: how to find the bitmap?
 192             win = new wxBitmapButton;
 193             wxLogError(_T("Have not yet implemented bitmap button as BS_BITMAP button."));
 194         }
 195 #endif
 196         else if (style1 == BS_OWNERDRAW)
 197         {
 198             // TODO: how to find the bitmap?
 199             // TODO: can't distinguish between bitmap button and bitmap static.
 200             // Change implementation of wxStaticBitmap to SS_BITMAP.
 201             // PROBLEM: this assumes that we're using resource-based bitmaps.
 202             // So maybe need 2 implementations of bitmap buttons/static controls,
 203             // with a switch in the drawing code. Call default proc if BS_BITMAP.
 204             win = new wxBitmapButton;
 205         }
 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(_T("Don't know what kind of button this is: id = %d"),
 217                        id);
 218         }
 219     }
 220     else if (str == _T("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 == _T("EDIT"))
 231     {
 232         win = new wxTextCtrl;
 233     }
 234     else if (str == _T("LISTBOX"))
 235     {
 236         win = new wxListBox;
 237     }
 238     else if (str == _T("SCROLLBAR"))
 239     {
 240         win = new wxScrollBar;
 241     }
 242 #if defined(__WIN95__) && !defined(__TWIN32__)
 243     else if (str == _T("MSCTLS_UPDOWN32"))
 244     {
 245         win = new wxSpinButton;
 246     }
 247 #endif
 248     else if (str == _T("MSCTLS_TRACKBAR32"))
 249     {
 250         // Need to ascertain if it's horiz or vert
 251         win = new wxSlider;
 252     }
 253     else if (str == _T("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(_T("Please make SS_BITMAP statics into owner-draw buttons."));
 266         }
 267 #endif
 268     }
 269     else
 270     {
 271         wxString msg(_T("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         return win;
 287     }
 288     else
 289         return NULL;
 290 }
 291
 292 // Make sure the window style (etc.) reflects the HWND style (roughly)
 293 void wxWindow::AdoptAttributesFromHWND(void)
 294 {
 295     HWND hWnd = (HWND) GetHWND();
 296     long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
 297
 298     if (style & WS_VSCROLL)
 299         m_windowStyle |= wxVSCROLL;
 300     if (style & WS_HSCROLL)
 301         m_windowStyle |= wxHSCROLL;
 302 }
 303