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