src/cocoa/notebook.mm

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