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 #include "wx/spinbutt.h"
  38 #include "wx/msw/private.h"
  39
  40 // ---------------------------------------------------------------------------
  41 // global functions
  42 // ---------------------------------------------------------------------------
  43
  44 extern wxWindow *wxWndHook;
  45 extern LONG APIENTRY _EXPORT wxDlgProc(HWND hWnd, UINT message,
  46                                        WPARAM wParam, LPARAM lParam);
  47
  48 // ===========================================================================
  49 // implementation
  50 // ===========================================================================
  51
  52 bool wxWindow::LoadNativeDialog(wxWindow* parent, wxWindowID& id)
  53 {
  54     m_windowId = id;
  55     wxWndHook = this;
  56     m_hWnd = (WXHWND)::CreateDialog((HINSTANCE)wxGetInstance(),
  57                                     MAKEINTRESOURCE(id),
  58                                     parent ? (HWND)parent->GetHWND() : 0,
  59                                     (DLGPROC) wxDlgProc);
  60     wxWndHook = NULL;
  61
  62     if ( !m_hWnd )
  63         return FALSE;
  64
  65     SubclassWin(GetHWND());
  66
  67     if ( parent )
  68         parent->AddChild(this);
  69     else
  70         wxTopLevelWindows.Append(this);
  71
  72     // Enumerate all children
  73     HWND hWndNext;
  74     hWndNext = ::GetWindow((HWND) m_hWnd, GW_CHILD);
  75
  76     wxWindow* child = NULL;
  77     if (hWndNext)
  78         child = CreateWindowFromHWND(this, (WXHWND) hWndNext);
  79
  80     while (hWndNext != (HWND) NULL)
  81     {
  82         hWndNext = ::GetWindow(hWndNext, GW_HWNDNEXT);
  83         if (hWndNext)
  84             child = 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     wxWndHook = this;
  95     m_hWnd = (WXHWND)::CreateDialog((HINSTANCE) wxGetInstance(),
  96                                     name.c_str(),
  97                                     parent ? (HWND)parent->GetHWND() : 0,
  98                                     (DLGPROC)wxDlgProc);
  99     wxWndHook = NULL;
 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 == "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("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(_T("Don't know what kind of button this is: id = %d"),
 215                        id);
 216         }
 217     }
 218     else if (str == "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 == "EDIT")
 229     {
 230         win = new wxTextCtrl;
 231     }
 232     else if (str == "LISTBOX")
 233     {
 234         win = new wxListBox;
 235     }
 236     else if (str == "SCROLLBAR")
 237     {
 238         win = new wxScrollBar;
 239     }
 240 #if defined(__WIN95__) && !defined(__TWIN32__)
 241     else if (str == "MSCTLS_UPDOWN32")
 242     {
 243         win = new wxSpinButton;
 244     }
 245 #endif
 246     else if (str == "MSCTLS_TRACKBAR32")
 247     {
 248         // Need to ascertain if it's horiz or vert
 249         win = new wxSlider;
 250     }
 251     else if (str == "STATIC")
 252     {
 253         int style1 = (style & 0xFF);
 254
 255         if ((style1 == SS_LEFT) || (style1 == SS_RIGHT) || (style1 == SS_SIMPLE))
 256             win = new wxStaticText;
 257 #if defined(__WIN32__) && defined(BS_BITMAP)
 258         else if (style1 == SS_BITMAP)
 259         {
 260             win = new wxStaticBitmap;
 261
 262             // Help! this doesn't correspond with the wxWin implementation.
 263             wxLogError("Please make SS_BITMAP statics into owner-draw buttons.");
 264         }
 265 #endif
 266     }
 267     else
 268     {
 269         wxString msg("Don't know how to convert from Windows class ");
 270         msg += str;
 271         wxLogError(msg);
 272     }
 273
 274     if (win)
 275     {
 276         parent->AddChild(win);
 277         win->SetEventHandler(win);
 278         win->SetHWND(hWnd);
 279         win->SetId(id);
 280         win->SubclassWin(hWnd);
 281         win->AdoptAttributesFromHWND();
 282         win->SetupColours();
 283
 284         return win;
 285     }
 286     else
 287         return NULL;
 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