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 // wxBookCtrlEvent
 129 // ========================================================================
 130 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
 131 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
 132
 133 // ========================================================================
 134 // wxNotebook
 135 // ========================================================================
 136 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxBookCtrlBase)
 137 BEGIN_EVENT_TABLE(wxNotebook, wxNotebookBase)
 138 END_EVENT_TABLE()
 139 WX_IMPLEMENT_COCOA_OWNER(wxNotebook,NSTabView,NSView,NSView)
 140
 141 bool wxNotebook::Create(wxWindow *parent, wxWindowID winid,
 142            const wxPoint& pos,
 143            const wxSize& size,
 144            long style,
 145            const wxString& name)
 146 {
 147     wxAutoNSAutoreleasePool pool;
 148     if(!CreateControl(parent,winid,pos,size,style,wxDefaultValidator,name))
 149         return false;
 150     m_cocoaNSView = NULL;
 151     SetNSTabView([[NSTabView alloc] initWithFrame:MakeDefaultNSRect(size)]);
 152
 153     do
 154     {
 155         NSTabViewType tabViewType;
 156         if(style & wxNB_TOP)
 157             tabViewType = NSTopTabsBezelBorder;
 158         else if(style & wxNB_LEFT)
 159             tabViewType = NSLeftTabsBezelBorder;
 160         else if(style & wxNB_RIGHT)
 161             tabViewType = NSRightTabsBezelBorder;
 162         else if(style & wxNB_BOTTOM)
 163             tabViewType = NSBottomTabsBezelBorder;
 164         else
 165             break;
 166         [GetNSTabView() setTabViewType:tabViewType];
 167     } while(0);
 168
 169     if(m_parent)
 170         m_parent->CocoaAddChild(this);
 171     SetInitialFrameRect(pos,size);
 172
 173     return true;
 174 }
 175
 176 wxNotebook::~wxNotebook()
 177 {
 178 }
 179
 180 void wxNotebook::SetPadding(const wxSize& padding)
 181 {   // Can't do
 182 }
 183
 184 void wxNotebook::SetTabSize(const wxSize& sz)
 185 {   // Can't do
 186 }
 187
 188 void wxNotebook::SetPageSize(const wxSize& size)
 189 {
 190 }
 191
 192
 193 wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
 194 {
 195     wxNotebookPage *page = wxNotebookBase::DoRemovePage(nPage);
 196     if(!page)
 197         return NULL;
 198     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 199     wxASSERT(tvitem);
 200     [tvitem retain];
 201     [GetNSTabView() removeTabViewItem:tvitem];
 202     // Remove the child window as a notebook page
 203     wxASSERT(static_cast<NSView*>([tvitem view]) == page->GetNSViewForSuperview());
 204     [tvitem setView:nil];
 205     [tvitem release];
 206     // Make it back into a normal child window
 207     [m_cocoaNSView addSubview: page->GetNSViewForSuperview()];
 208
 209     return page;
 210 }
 211
 212 bool wxNotebook::DeletePage(size_t nPage)
 213 {
 214     return wxNotebookBase::DeletePage(nPage);
 215 }
 216
 217 bool wxNotebook::InsertPage( size_t pos,
 218                  wxNotebookPage *page, const wxString& title,
 219                  bool bSelect, int imageId)
 220 {
 221     wxAutoNSAutoreleasePool pool;
 222     m_pages.Insert(page,pos);
 223     NSTabViewItem *tvitem = [[WX_GET_OBJC_CLASS(WXCTabViewImageItem) alloc] initWithIdentifier:nil];
 224     [tvitem setLabel: wxNSStringWithWxString(title)];
 225     const wxBitmap *bmp = (imageId!=-1)?m_imageList->GetBitmapPtr(imageId):NULL;
 226     if(bmp)
 227         [(WXCTabViewImageItem*) tvitem setImage: bmp->GetNSImage(true)];
 228
 229     NSView *pageNSView = page->GetNSViewForSuperview();
 230     // Remove it as a normal child
 231     wxASSERT(m_cocoaNSView == [pageNSView superview]);
 232     [pageNSView removeFromSuperview];
 233     // And make it a notebook page
 234     [tvitem setView: pageNSView];
 235
 236     [GetNSTabView() insertTabViewItem:tvitem atIndex:pos];
 237     [tvitem release];
 238
 239     return true;
 240 }
 241
 242 bool wxNotebook::DeleteAllPages()
 243 {
 244     while(!m_pages.IsEmpty())
 245         DeletePage(0);
 246     return true;
 247 }
 248
 249
 250 bool wxNotebook::SetPageText(size_t nPage, const wxString& title)
 251 {
 252     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 253     if(!tvitem)
 254         return false;
 255     [tvitem setLabel: wxNSStringWithWxString(title)];
 256     return true;
 257 }
 258
 259 wxString wxNotebook::GetPageText(size_t nPage) const
 260 {
 261     return wxStringWithNSString([[GetNSTabView() tabViewItemAtIndex: nPage] label]);
 262 }
 263
 264
 265 int wxNotebook::GetPageImage(size_t nPage) const
 266 {
 267     // To do this we'd need to keep track of this, which we don't!
 268     return -1;
 269 }
 270
 271 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 272 {
 273     const wxBitmap *bmp = nImage!=-1?m_imageList->GetBitmapPtr(nImage):NULL;
 274     if(!bmp)
 275         return false;
 276     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 277     if(!tvitem)
 278         return false;
 279     [(WXCTabViewImageItem*) tvitem setImage: bmp->GetNSImage(true)];
 280     return true;
 281 }
 282
 283 int wxNotebook::SetSelection(size_t nPage)
 284 {
 285     const int pageOld = GetSelection();
 286
 287     if ( !SendPageChangingEvent(nPage) )
 288         return pageOld;
 289
 290     int page = ChangeSelection(nPage);
 291     if ( page != wxNOT_FOUND )
 292     {
 293         SendPageChangedEvent(pageOld);
 294     }
 295
 296     return page;
 297 }
 298
 299 int wxNotebook::ChangeSelection(size_t nPage)
 300 {
 301     wxAutoNSAutoreleasePool pool;
 302     [GetNSTabView() selectTabViewItemAtIndex:nPage];
 303     return GetSelection();
 304 }
 305
 306 int wxNotebook::GetSelection() const
 307 {
 308     NSTabViewItem *selectedItem = [GetNSTabView() selectedTabViewItem];
 309     if(!selectedItem)
 310         return -1;
 311     return [GetNSTabView() indexOfTabViewItem:selectedItem];
 312 }
 313
 314 void wxNotebook::CocoaDelegate_tabView_didSelectTabViewItem(WX_NSTabViewItem tabViewItem)
 315 {
 316     // FIXME: oldSel probably == newSel
 317     wxBookCtrlEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, GetId(),
 318         [GetNSTabView() indexOfTabViewItem:tabViewItem], GetSelection());
 319     event.SetEventObject(this);
 320     GetEventHandler()->ProcessEvent(event);
 321 }
 322
 323 bool wxNotebook::CocoaDelegate_tabView_shouldSelectTabViewItem(WX_NSTabViewItem tabViewItem)
 324 {
 325     wxBookCtrlEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, GetId(),
 326         [GetNSTabView() indexOfTabViewItem:tabViewItem], GetSelection());
 327     event.SetEventObject(this);
 328     return !HandleWindowEvent(event) || event.IsAllowed();
 329 }
 330
 331 #endif // wxUSE_NOTEBOOK