src/cocoa/notebook.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        cocoa/notebook.mm
   3 // Purpose:     wxNotebook
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2004/04/08
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2004 David Elliott
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_NOTEBOOK
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/app.h"
  18 #endif //WX_PRECOMP
  19 #include "wx/notebook.h"
  20 #include "wx/imaglist.h"
  21
  22 #include "wx/cocoa/autorelease.h"
  23 #include "wx/cocoa/string.h"
  24 #include "wx/cocoa/objc/objc_uniquifying.h"
  25
  26 #import <AppKit/NSTabView.h>
  27 #import <AppKit/NSTabViewItem.h>
  28 #import <AppKit/NSImage.h>
  29
  30 // testing:
  31 #import <AppKit/NSPasteboard.h>
  32 #import <Foundation/NSArray.h>
  33
  34 // ========================================================================
  35 // WXCTabViewImageItem
  36 // ========================================================================
  37 @interface WXCTabViewImageItem : NSTabViewItem
  38 {
  39     NSImage *m_image;
  40 }
  41
  42 - (id)init;
  43 - (id)initWithIdentifier: (id)identifier;
  44 - (void)dealloc;
  45
  46 - (NSSize)sizeOfLabel:(BOOL)shouldTruncateLabel;
  47 - (void)drawLabel:(BOOL)shouldTruncateLabel inRect:(NSRect)tabRect;
  48
  49 - (NSImage*)image;
  50 - (void)setImage:(NSImage*)image;
  51 @end // interface WXCTabViewImageItem : NSTabViewItem
  52 WX_DECLARE_GET_OBJC_CLASS(WXCTabViewImageItem,NSTabViewItem)
  53
  54 @implementation WXCTabViewImageItem : NSTabViewItem
  55 - (id)init
  56 {
  57     return [self initWithIdentifier:nil];
  58 }
  59
  60 - (id)initWithIdentifier: (id)identifier;
  61 {
  62     m_image = nil;
  63     return [super initWithIdentifier:identifier];
  64 }
  65
  66 - (void)dealloc
  67 {
  68     [m_image release];
  69     [super dealloc];
  70 }
  71
  72 - (NSSize)sizeOfLabel:(BOOL)shouldTruncateLabel
  73 {
  74     NSSize labelSize = [super sizeOfLabel:shouldTruncateLabel];
  75     if(!m_image)
  76         return labelSize;
  77     NSSize imageSize = [m_image size];
  78     // scale image size
  79     if(imageSize.height > labelSize.height)
  80     {
  81         imageSize.width *= labelSize.height/imageSize.height;
  82         imageSize.height *= labelSize.height/imageSize.height;
  83         [m_image setScalesWhenResized:YES];
  84         [m_image setSize: imageSize];
  85     }
  86     labelSize.width += imageSize.width;
  87     return labelSize;
  88 }
  89
  90 - (void)drawLabel:(BOOL)shouldTruncateLabel inRect:(NSRect)tabRect
  91 {
  92     if(m_image)
  93     {
  94         NSSize imageSize = [m_image size];
  95         [m_image compositeToPoint:NSMakePoint(tabRect.origin.x,
  96                 tabRect.origin.y+imageSize.height)
  97             operation:NSCompositeSourceOver];
  98         tabRect.size.width -= imageSize.width;
  99         tabRect.origin.x += imageSize.width;
 100     }
 101     [super drawLabel:shouldTruncateLabel inRect:tabRect];
 102 }
 103
 104 - (NSImage*)image
 105 {
 106     return m_image;
 107 }
 108
 109 - (void)setImage:(NSImage*)image
 110 {
 111     [image retain];
 112     [m_image release];
 113     m_image = image;
 114     if(!m_image)
 115         return;
 116     [[NSPasteboard generalPasteboard]
 117         declareTypes:[NSArray arrayWithObject:NSTIFFPboardType]
 118         owner:nil];
 119     [[NSPasteboard generalPasteboard]
 120         setData:[m_image TIFFRepresentation]
 121         forType:NSTIFFPboardType];
 122 }
 123
 124 @end // implementation WXCTabViewImageItem : NSTabViewItem
 125 WX_IMPLEMENT_GET_OBJC_CLASS(WXCTabViewImageItem,NSTabViewItem)
 126
 127 // ========================================================================
 128 // wxNotebookEvent
 129 // ========================================================================
 130 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
 131 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
 132 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 133
 134 // ========================================================================
 135 // wxNotebook
 136 // ========================================================================
 137 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxBookCtrlBase)
 138 BEGIN_EVENT_TABLE(wxNotebook, wxNotebookBase)
 139 END_EVENT_TABLE()
 140 WX_IMPLEMENT_COCOA_OWNER(wxNotebook,NSTabView,NSView,NSView)
 141
 142 bool wxNotebook::Create(wxWindow *parent, wxWindowID winid,
 143            const wxPoint& pos,
 144            const wxSize& size,
 145            long style,
 146            const wxString& name)
 147 {
 148     wxAutoNSAutoreleasePool pool;
 149     if(!CreateControl(parent,winid,pos,size,style,wxDefaultValidator,name))
 150         return false;
 151     m_cocoaNSView = NULL;
 152     SetNSTabView([[NSTabView alloc] initWithFrame:MakeDefaultNSRect(size)]);
 153
 154     do
 155     {
 156         NSTabViewType tabViewType;
 157         if(style & wxNB_TOP)
 158             tabViewType = NSTopTabsBezelBorder;
 159         else if(style & wxNB_LEFT)
 160             tabViewType = NSLeftTabsBezelBorder;
 161         else if(style & wxNB_RIGHT)
 162             tabViewType = NSRightTabsBezelBorder;
 163         else if(style & wxNB_BOTTOM)
 164             tabViewType = NSBottomTabsBezelBorder;
 165         else
 166             break;
 167         [GetNSTabView() setTabViewType:tabViewType];
 168     } while(0);
 169
 170     if(m_parent)
 171         m_parent->CocoaAddChild(this);
 172     SetInitialFrameRect(pos,size);
 173
 174     return true;
 175 }
 176
 177 wxNotebook::~wxNotebook()
 178 {
 179 }
 180
 181 void wxNotebook::SetPadding(const wxSize& padding)
 182 {   // Can't do
 183 }
 184
 185 void wxNotebook::SetTabSize(const wxSize& sz)
 186 {   // Can't do
 187 }
 188
 189 void wxNotebook::SetPageSize(const wxSize& size)
 190 {
 191 }
 192
 193
 194 wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
 195 {
 196     wxNotebookPage *page = wxNotebookBase::DoRemovePage(nPage);
 197     if(!page)
 198         return NULL;
 199     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 200     wxASSERT(tvitem);
 201     [tvitem retain];
 202     [GetNSTabView() removeTabViewItem:tvitem];
 203     // Remove the child window as a notebook page
 204     wxASSERT(static_cast<NSView*>([tvitem view]) == page->GetNSViewForSuperview());
 205     [tvitem setView:nil];
 206     [tvitem release];
 207     // Make it back into a normal child window
 208     [m_cocoaNSView addSubview: page->GetNSViewForSuperview()];
 209
 210     return page;
 211 }
 212
 213 bool wxNotebook::DeletePage(size_t nPage)
 214 {
 215     return wxNotebookBase::DeletePage(nPage);
 216 }
 217
 218 bool wxNotebook::InsertPage( size_t pos,
 219                  wxNotebookPage *page, const wxString& title,
 220                  bool bSelect, int imageId)
 221 {
 222     wxAutoNSAutoreleasePool pool;
 223     m_pages.Insert(page,pos);
 224     NSTabViewItem *tvitem = [[WX_GET_OBJC_CLASS(WXCTabViewImageItem) alloc] initWithIdentifier:nil];
 225     [tvitem setLabel: wxNSStringWithWxString(title)];
 226     const wxBitmap *bmp = (imageId!=-1)?m_imageList->GetBitmapPtr(imageId):NULL;
 227     if(bmp)
 228         [(WXCTabViewImageItem*) tvitem setImage: bmp->GetNSImage(true)];
 229
 230     NSView *pageNSView = page->GetNSViewForSuperview();
 231     // Remove it as a normal child
 232     wxASSERT(m_cocoaNSView == [pageNSView superview]);
 233     [pageNSView removeFromSuperview];
 234     // And make it a notebook page
 235     [tvitem setView: pageNSView];
 236
 237     [GetNSTabView() insertTabViewItem:tvitem atIndex:pos];
 238     [tvitem release];
 239
 240     return true;
 241 }
 242
 243 bool wxNotebook::DeleteAllPages()
 244 {
 245     while(!m_pages.IsEmpty())
 246         DeletePage(0);
 247     return true;
 248 }
 249
 250
 251 bool wxNotebook::SetPageText(size_t nPage, const wxString& title)
 252 {
 253     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 254     if(!tvitem)
 255         return false;
 256     [tvitem setLabel: wxNSStringWithWxString(title)];
 257     return true;
 258 }
 259
 260 wxString wxNotebook::GetPageText(size_t nPage) const
 261 {
 262     return wxStringWithNSString([[GetNSTabView() tabViewItemAtIndex: nPage] label]);
 263 }
 264
 265
 266 int wxNotebook::GetPageImage(size_t nPage) const
 267 {
 268     // To do this we'd need to keep track of this, which we don't!
 269     return -1;
 270 }
 271
 272 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 273 {
 274     const wxBitmap *bmp = nImage!=-1?m_imageList->GetBitmapPtr(nImage):NULL;
 275     if(!bmp)
 276         return false;
 277     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 278     if(!tvitem)
 279         return false;
 280     [(WXCTabViewImageItem*) tvitem setImage: bmp->GetNSImage(true)];
 281     return true;
 282 }
 283
 284 int wxNotebook::SetSelection(size_t nPage)
 285 {
 286     const int pageOld = GetSelection();
 287
 288     if ( !SendPageChangingEvent(nPage) )
 289         return pageOld;
 290
 291     int page = ChangeSelection(nPage);
 292     if ( page != wxNOT_FOUND )
 293     {
 294         SendPageChangedEvent(pageOld);
 295     }
 296
 297     return page;
 298 }
 299
 300 int wxNotebook::ChangeSelection(size_t nPage)
 301 {
 302     wxAutoNSAutoreleasePool pool;
 303     [GetNSTabView() selectTabViewItemAtIndex:nPage];
 304     return GetSelection();
 305 }
 306
 307 int wxNotebook::GetSelection() const
 308 {
 309     NSTabViewItem *selectedItem = [GetNSTabView() selectedTabViewItem];
 310     if(!selectedItem)
 311         return -1;
 312     return [GetNSTabView() indexOfTabViewItem:selectedItem];
 313 }
 314
 315 void wxNotebook::CocoaDelegate_tabView_didSelectTabViewItem(WX_NSTabViewItem tabViewItem)
 316 {
 317     // FIXME: oldSel probably == newSel
 318     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, GetId(),
 319         [GetNSTabView() indexOfTabViewItem:tabViewItem], GetSelection());
 320     event.SetEventObject(this);
 321     GetEventHandler()->ProcessEvent(event);
 322 }
 323
 324 bool wxNotebook::CocoaDelegate_tabView_shouldSelectTabViewItem(WX_NSTabViewItem tabViewItem)
 325 {
 326     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, GetId(),
 327         [GetNSTabView() indexOfTabViewItem:tabViewItem], GetSelection());
 328     event.SetEventObject(this);
 329     return !HandleWindowEvent(event) || event.IsAllowed();
 330 }
 331
 332 #endif // wxUSE_NOTEBOOK