src/msw/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/toplevel.cpp
   3 // Purpose:     implements wxTopLevelWindow for MSW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     24.09.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
   9 // License:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "toplevel.h"
  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 "wx/app.h"
  33     #include "wx/toplevel.h"
  34     #include "wx/string.h"
  35     #include "wx/log.h"
  36     #include "wx/intl.h"
  37 #endif //WX_PRECOMP
  38
  39 #include "wx/msw/private.h"
  40
  41 // ----------------------------------------------------------------------------
  42 // stubs for missing functions under MicroWindows
  43 // ----------------------------------------------------------------------------
  44
  45 #ifdef __WXMICROWIN__
  46
  47 static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
  48 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
  49
  50 #endif // __WXMICROWIN__
  51
  52 // ----------------------------------------------------------------------------
  53 // globals
  54 // ----------------------------------------------------------------------------
  55
  56 // list of all frames and modeless dialogs
  57 wxWindowList wxModelessWindows;
  58
  59 // ============================================================================
  60 // wxTopLevelWindowMSW implementation
  61 // ============================================================================
  62
  63 // ----------------------------------------------------------------------------
  64 // wxTopLevelWindowMSW creation
  65 // ----------------------------------------------------------------------------
  66
  67 void wxTopLevelWindowMSW::Init()
  68 {
  69     m_iconized =
  70     m_maximizeOnShow = FALSE;
  71 }
  72
  73 bool wxTopLevelWindowMSW::Create(wxWindow *parent,
  74                                  wxWindowID id,
  75                                  const wxString& title,
  76                                  const wxPoint& pos,
  77                                  const wxSize& size,
  78                                  long style,
  79                                  const wxString& name)
  80 {
  81     // init our fields
  82     Init();
  83
  84     m_windowStyle = style;
  85
  86     SetName(name);
  87
  88     m_windowId = id == -1 ? NewControlId() : id;
  89
  90     wxTopLevelWindows.Append(this);
  91
  92     if ( parent )
  93         parent->AddChild(this);
  94
  95     return TRUE;
  96 }
  97
  98 wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
  99 {
 100     wxTopLevelWindows.DeleteObject(this);
 101
 102     if ( wxModelessWindows.Find(this) )
 103         wxModelessWindows.DeleteObject(this);
 104
 105     // If this is the last top-level window, exit.
 106     if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
 107     {
 108         wxTheApp->SetTopWindow(NULL);
 109
 110         if ( wxTheApp->GetExitOnFrameDelete() )
 111         {
 112             ::PostQuitMessage(0);
 113         }
 114     }
 115 }
 116
 117 // ----------------------------------------------------------------------------
 118 // wxTopLevelWindowMSW geometry
 119 // ----------------------------------------------------------------------------
 120
 121 void wxTopLevelWindowMSW::DoSetClientSize(int width, int height)
 122 {
 123     HWND hWnd = GetHwnd();
 124
 125     RECT rectClient;
 126     ::GetClientRect(hWnd, &rectClient);
 127
 128     RECT rectTotal;
 129     ::GetWindowRect(hWnd, &rectTotal);
 130
 131     // Find the difference between the entire window (title bar and all)
 132     // and the client area; add this to the new client size to move the
 133     // window
 134     width += rectTotal.right - rectTotal.left - rectClient.right;
 135     height += rectTotal.bottom - rectTotal.top - rectClient.bottom;
 136
 137     // note that calling GetClientAreaOrigin() takes the toolbar into account
 138     wxPoint pt = GetClientAreaOrigin();
 139     width += pt.x;
 140     height += pt.y;
 141
 142     if ( !::MoveWindow(hWnd, rectTotal.left, rectTotal.top,
 143                        width, height, TRUE /* redraw */) )
 144     {
 145         wxLogLastError(_T("MoveWindow"));
 146     }
 147
 148     wxSizeEvent event(wxSize(width, height), m_windowId);
 149     event.SetEventObject(this);
 150     (void)GetEventHandler()->ProcessEvent(event);
 151 }
 152
 153 // ----------------------------------------------------------------------------
 154 // wxTopLevelWindowMSW showing
 155 // ----------------------------------------------------------------------------
 156
 157 void wxTopLevelWindowMSW::DoShowWindow(int nShowCmd)
 158 {
 159     ::ShowWindow(GetHwnd(), nShowCmd);
 160
 161     m_iconized = nShowCmd == SW_MINIMIZE;
 162 }
 163
 164 bool wxTopLevelWindowMSW::Show(bool show)
 165 {
 166     // don't use wxWindow version as we want to call DoShowWindow() ourselves
 167     if ( !wxWindowBase::Show(show) )
 168         return FALSE;
 169
 170     int nShowCmd;
 171     if ( show )
 172     {
 173         if ( m_maximizeOnShow )
 174         {
 175             // show and maximize
 176             nShowCmd = SW_MAXIMIZE;
 177
 178             m_maximizeOnShow = FALSE;
 179         }
 180         else // just show
 181         {
 182             nShowCmd = SW_SHOW;
 183         }
 184     }
 185     else // hide
 186     {
 187         nShowCmd = SW_HIDE;
 188     }
 189
 190     DoShowWindow(nShowCmd);
 191
 192     if ( show )
 193     {
 194         ::BringWindowToTop(GetHwnd());
 195
 196         wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId);
 197         event.SetEventObject( this );
 198         GetEventHandler()->ProcessEvent(event);
 199     }
 200     else // hide
 201     {
 202         // Try to highlight the correct window (the parent)
 203         if ( GetParent() )
 204         {
 205             HWND hWndParent = GetHwndOf(GetParent());
 206             if (hWndParent)
 207                 ::BringWindowToTop(hWndParent);
 208         }
 209     }
 210
 211     return TRUE;
 212 }
 213
 214 // ----------------------------------------------------------------------------
 215 // wxTopLevelWindowMSW maximize/minimize
 216 // ----------------------------------------------------------------------------
 217
 218 void wxTopLevelWindowMSW::Maximize(bool maximize)
 219 {
 220     if ( IsShown() )
 221     {
 222         // just maximize it directly
 223         DoShowWindow(maximize ? SW_MAXIMIZE : SW_RESTORE);
 224     }
 225     else // hidden
 226     {
 227         // we can't maximize the hidden frame because it shows it as well, so
 228         // just remember that we should do it later in this case
 229         m_maximizeOnShow = TRUE;
 230     }
 231 }
 232
 233 bool wxTopLevelWindowMSW::IsMaximized() const
 234 {
 235     return ::IsZoomed(GetHwnd()) != 0;
 236 }
 237
 238 void wxTopLevelWindowMSW::Iconize(bool iconize)
 239 {
 240     DoShowWindow(iconize ? SW_MINIMIZE : SW_RESTORE);
 241 }
 242
 243 bool wxTopLevelWindowMSW::IsIconized() const
 244 {
 245     // also update the current state
 246     ((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
 247
 248     return m_iconized;
 249 }
 250
 251 void wxTopLevelWindowMSW::Restore()
 252 {
 253     DoShowWindow(SW_RESTORE);
 254 }
 255
 256 // ----------------------------------------------------------------------------
 257 // wxTopLevelWindowMSW misc
 258 // ----------------------------------------------------------------------------
 259
 260 void wxTopLevelWindowMSW::SetIcon(const wxIcon& icon)
 261 {
 262     // this sets m_icon
 263     wxTopLevelWindowBase::SetIcon(icon);
 264
 265 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 266     if ( m_icon.Ok() )
 267     {
 268         ::SendMessage(GetHwnd(), WM_SETICON,
 269                       (WPARAM)TRUE, (LPARAM)GetHiconOf(m_icon));
 270     }
 271 #endif // __WIN95__
 272 }