src/cocoa/frame.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/frame.mm
   3 // Purpose:     wxFrame
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/03/16
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/frame.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/log.h"
  18     #include "wx/app.h"
  19     #include "wx/menu.h"
  20     #include "wx/toolbar.h"
  21     #include "wx/statusbr.h"
  22 #endif // WX_PRECOMP
  23
  24 #include "wx/cocoa/autorelease.h"
  25 #include "wx/cocoa/mbarman.h"
  26
  27 #import <AppKit/NSWindow.h>
  28 #import <AppKit/NSApplication.h>
  29 #import <AppKit/NSView.h>
  30 #import <AppKit/NSMenuItem.h>
  31
  32 // wxFrame
  33
  34 BEGIN_EVENT_TABLE(wxFrame, wxFrameBase)
  35 END_EVENT_TABLE()
  36
  37 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxTopLevelWindow)
  38
  39 void wxFrame::Init()
  40 {
  41     m_frameNSView = nil;
  42 }
  43
  44 bool wxFrame::Create(wxWindow *parent,
  45            wxWindowID winid,
  46            const wxString& title,
  47            const wxPoint& pos,
  48            const wxSize& size,
  49            long style,
  50            const wxString& name)
  51 {
  52     bool rt = wxTopLevelWindow::Create(parent,winid,title,pos,size,style,name);
  53
  54     return rt;
  55 }
  56
  57 wxFrame::~wxFrame()
  58 {
  59     [m_frameNSView release];
  60 }
  61
  62 // -------------------------------------------------------------------
  63 // Menubar
  64 void wxFrame::AttachMenuBar(wxMenuBar *mbar)
  65 {
  66     wxFrameBase::AttachMenuBar(mbar);
  67     wxMenuBarManager::GetInstance()->UpdateMenuBar();
  68 }
  69
  70 void wxFrame::DetachMenuBar()
  71 {
  72     wxFrameBase::DetachMenuBar();
  73     wxMenuBarManager::GetInstance()->UpdateMenuBar();
  74 }
  75
  76 void wxFrame::SetMenuBar(wxMenuBar *menubar)
  77 {
  78     if ( menubar == GetMenuBar() )
  79     {
  80         // nothing to do
  81         return;
  82     }
  83
  84     wxFrameBase::DetachMenuBar();
  85     wxFrameBase::AttachMenuBar(menubar);
  86     wxMenuBarManager::GetInstance()->UpdateMenuBar();
  87 }
  88
  89 wxMenuBar* wxFrame::GetAppMenuBar(wxCocoaNSWindow *win)
  90 {
  91     if(GetMenuBar())
  92         return GetMenuBar();
  93     return wxFrameBase::GetAppMenuBar(win);
  94 }
  95
  96 void wxFrame::CocoaDelegate_wxMenuItemAction(WX_NSMenuItem menuItem)
  97 {
  98     wxLogTrace(wxTRACE_COCOA,wxT("wxFrame::wxMenuItemAction"));
  99     wxMenuItem *item = wxMenuItem::GetFromCocoa(menuItem);
 100     wxCHECK_RET(item,wxT("wxMenuItemAction received but no wxMenuItem exists!"));
 101
 102     wxMenu *menu = item->GetMenu();
 103     wxCHECK_RET(menu,wxT("wxMenuItemAction received but wxMenuItem is not in a wxMenu!"));
 104
 105     // Since we're handling the delegate messages there's a very good chance
 106     // we'll receive a menu action from an item with a nil target.
 107     wxMenuBar *menubar = menu->GetMenuBar();
 108     if(menubar)
 109     {
 110         wxFrame *frame = menubar->GetFrame();
 111         wxASSERT_MSG(frame==this, wxT("Received wxMenuItemAction in NSWindow delegate from a menu item attached to a different frame."));
 112         frame->ProcessCommand(item->GetId());
 113     }
 114     else
 115         wxLogDebug(wxT("Received wxMenuItemAction in NSWindow delegate from an unknown menu item."));
 116 }
 117
 118 bool wxFrame::CocoaDelegate_validateMenuItem(WX_NSMenuItem menuItem)
 119 {
 120     SEL itemAction = [menuItem action];
 121     if(itemAction == @selector(wxMenuItemAction:))
 122     {
 123         wxMenuItem *item = wxMenuItem::GetFromCocoa(menuItem);
 124         wxCHECK_MSG(item,false,wxT("validateMenuItem received but no wxMenuItem exists!"));
 125         // TODO: do more sanity checking
 126         return item->IsEnabled();
 127     }
 128     // TODO: else if cut/copy/paste
 129     wxLogDebug(wxT("Asked to validate an unknown menu item"));
 130     return false;
 131 }
 132
 133 // -------------------------------------------------------------------
 134 // Origin/Size
 135 wxPoint wxFrame::GetClientAreaOrigin() const
 136 {
 137     return wxPoint(0,0);
 138 }
 139
 140 void wxFrame::CocoaSetWxWindowSize(int width, int height)
 141 {
 142     if(m_frameStatusBar)
 143         height += m_frameStatusBar->GetSize().y;
 144 #if wxUSE_TOOLBAR
 145     if(m_frameToolBar)
 146         height += m_frameToolBar->GetSize().y;
 147 #endif //wxUSE_TOOLBAR
 148     wxTopLevelWindow::CocoaSetWxWindowSize(width,height);
 149 }
 150
 151 // -------------------------------------------------------------------
 152 WX_NSView wxFrame::GetNonClientNSView()
 153 {
 154     if(m_frameNSView)
 155         return m_frameNSView;
 156     return GetNSViewForSuperview();
 157 }
 158
 159 void wxFrame::CocoaReplaceView(WX_NSView oldView, WX_NSView newView)
 160 {
 161     // If we have the additional toolbar/statbar view, then the
 162     // default replaceSubview will work. Otherwise, the old view
 163     // should be the content view and should be replaced that way
 164     if(m_frameNSView)
 165         wxWindow::CocoaReplaceView(oldView, newView);
 166     else
 167         wxTopLevelWindow::CocoaReplaceView(oldView, newView);
 168 }
 169
 170 void wxFrame::UpdateFrameNSView()
 171 {
 172     if(!m_frameNSView)
 173     {   // NOTE: We only need a plain NSView here since we don't associate it with ourselves.
 174         m_frameNSView = [[NSView alloc] initWithFrame:[[m_cocoaNSWindow contentView] frame]];
 175         [m_cocoaNSWindow setContentView: m_frameNSView];
 176         [m_frameNSView addSubview:m_cocoaNSView];
 177     }
 178     NSRect frameRect = [m_frameNSView frame];
 179     float tbarheight = 0.0;
 180 #if wxUSE_TOOLBAR
 181     if(m_frameToolBar)
 182     {
 183         NSView *tbarNSView = m_frameToolBar->GetNSViewForSuperview();
 184         // If the toolbar doesn't have a superview then set it to our
 185         // content view.
 186         if(![tbarNSView superview])
 187             [m_frameNSView addSubview: tbarNSView];
 188         // Do this after addSubView so that SetSize can work
 189         m_frameToolBar->SetSize(m_frameToolBar->DoGetBestSize());
 190         NSRect tbarRect = [tbarNSView frame];
 191         tbarRect.size.width = frameRect.size.width;
 192         tbarRect.origin.x = 0.0;
 193         tbarRect.origin.y = frameRect.size.height - tbarRect.size.height;
 194         [tbarNSView setFrame:tbarRect];
 195         // width expands, bottom margin expands
 196         [tbarNSView setAutoresizingMask: NSViewWidthSizable|NSViewMinYMargin];
 197         tbarheight = tbarRect.size.height;
 198     }
 199 #endif //wxUSE_TOOLBAR
 200     float sbarheight = 0.0;
 201     if(m_frameStatusBar)
 202     {
 203         NSView *sbarNSView = m_frameStatusBar->GetNSViewForSuperview();
 204         if(![sbarNSView superview])
 205             [m_frameNSView addSubview: sbarNSView];
 206         NSRect sbarRect = [sbarNSView frame];
 207         sbarRect.size.width = frameRect.size.width;
 208         sbarRect.origin.x = 0.0;
 209         sbarRect.origin.y = 0.0;
 210         [sbarNSView setFrame:sbarRect];
 211         // width expands, top margin expands
 212         [sbarNSView setAutoresizingMask: NSViewWidthSizable|NSViewMaxYMargin];
 213         sbarheight = sbarRect.size.height;
 214     }
 215     wxLogTrace(wxTRACE_COCOA,wxT("frame height=%f, tbar=%f, sbar=%f"),frameRect.size.height,tbarheight,sbarheight);
 216     NSRect innerRect = [m_cocoaNSView frame];
 217     innerRect.size.height = frameRect.size.height - tbarheight - sbarheight;
 218     innerRect.origin.y = sbarheight;
 219     [m_cocoaNSView setFrame:innerRect];
 220     [m_cocoaNSView setAutoresizingMask: NSViewWidthSizable|NSViewHeightSizable];
 221     // Don't let the frame get smaller than the toolbar+statusbar height
 222     NSRect frameMinRect = [NSWindow frameRectForContentRect:
 223             NSMakeRect(0.0,0.0,0.0,tbarheight+sbarheight)
 224         styleMask: [m_cocoaNSWindow styleMask]];
 225     [m_cocoaNSWindow setMinSize:frameMinRect.size];
 226 }
 227
 228 void wxFrame::SetStatusBar(wxStatusBar *statusbar)
 229 {
 230     if(m_frameStatusBar)
 231     {
 232         [m_frameStatusBar->GetNSViewForSuperview() removeFromSuperview];
 233         [m_frameStatusBar->GetNSViewForSuperview() setAutoresizingMask: NSViewMinYMargin];
 234         if(m_frameStatusBar->GetParent())
 235             m_frameStatusBar->GetParent()->CocoaAddChild(m_frameStatusBar);
 236     }
 237     m_frameStatusBar = statusbar;
 238     if(m_frameStatusBar)
 239     {
 240         m_frameStatusBar->CocoaRemoveFromParent();
 241     }
 242     UpdateFrameNSView();
 243 }
 244
 245 wxStatusBar* wxFrame::CreateStatusBar(int number,
 246                                           long style,
 247                                           wxWindowID winid,
 248                                           const wxString& name)
 249 {
 250     wxAutoNSAutoreleasePool pool;
 251     wxFrameBase::CreateStatusBar(number,style,winid,name);
 252     if(m_frameStatusBar)
 253     {
 254         m_frameStatusBar->CocoaRemoveFromParent();
 255     }
 256     UpdateFrameNSView();
 257     return m_frameStatusBar;
 258 }
 259
 260 #if wxUSE_TOOLBAR
 261 void wxFrame::SetToolBar(wxToolBar *toolbar)
 262 {
 263     if(m_frameToolBar)
 264     {
 265         m_frameToolBar->SetOwningFrame(NULL);
 266         [m_frameToolBar->GetNSViewForSuperview() removeFromSuperview];
 267         [m_frameToolBar->GetNSViewForSuperview() setAutoresizingMask: NSViewMinYMargin];
 268         if(m_frameToolBar->GetParent())
 269             m_frameToolBar->GetParent()->CocoaAddChild(m_frameToolBar);
 270     }
 271     m_frameToolBar = toolbar;
 272     if(m_frameToolBar)
 273     {
 274         m_frameToolBar->CocoaRemoveFromParent();
 275         m_frameToolBar->SetOwningFrame(this);
 276     }
 277     UpdateFrameNSView();
 278 }
 279
 280 wxToolBar* wxFrame::CreateToolBar(long style,
 281                                       wxWindowID winid,
 282                                       const wxString& name)
 283 {
 284     wxAutoNSAutoreleasePool pool;
 285     return wxFrameBase::CreateToolBar(style,winid,name);
 286 }
 287 #endif // wxUSE_TOOLBAR
 288
 289 void wxFrame::PositionStatusBar()
 290 {
 291 }