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