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