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 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2004 David Elliott
   9 // Licence:     wxWindows 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 // wxNotebook
 129 // ========================================================================
 130
 131 BEGIN_EVENT_TABLE(wxNotebook, wxNotebookBase)
 132 END_EVENT_TABLE()
 133 WX_IMPLEMENT_COCOA_OWNER(wxNotebook,NSTabView,NSView,NSView)
 134
 135 bool wxNotebook::Create(wxWindow *parent, wxWindowID winid,
 136            const wxPoint& pos,
 137            const wxSize& size,
 138            long style,
 139            const wxString& name)
 140 {
 141     wxAutoNSAutoreleasePool pool;
 142     if(!CreateControl(parent,winid,pos,size,style,wxDefaultValidator,name))
 143         return false;
 144     m_cocoaNSView = NULL;
 145     SetNSTabView([[NSTabView alloc] initWithFrame:MakeDefaultNSRect(size)]);
 146
 147     do
 148     {
 149         NSTabViewType tabViewType;
 150         if(style & wxNB_TOP)
 151             tabViewType = NSTopTabsBezelBorder;
 152         else if(style & wxNB_LEFT)
 153             tabViewType = NSLeftTabsBezelBorder;
 154         else if(style & wxNB_RIGHT)
 155             tabViewType = NSRightTabsBezelBorder;
 156         else if(style & wxNB_BOTTOM)
 157             tabViewType = NSBottomTabsBezelBorder;
 158         else
 159             break;
 160         [GetNSTabView() setTabViewType:tabViewType];
 161     } while(0);
 162
 163     if(m_parent)
 164         m_parent->CocoaAddChild(this);
 165     SetInitialFrameRect(pos,size);
 166
 167     return true;
 168 }
 169
 170 wxNotebook::~wxNotebook()
 171 {
 172 }
 173
 174 void wxNotebook::SetPadding(const wxSize& padding)
 175 {   // Can't do
 176 }
 177
 178 void wxNotebook::SetTabSize(const wxSize& sz)
 179 {   // Can't do
 180 }
 181
 182 void wxNotebook::SetPageSize(const wxSize& size)
 183 {
 184 }
 185
 186
 187 wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
 188 {
 189     wxNotebookPage *page = wxNotebookBase::DoRemovePage(nPage);
 190     if(!page)
 191         return NULL;
 192     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 193     wxASSERT(tvitem);
 194     [tvitem retain];
 195     [GetNSTabView() removeTabViewItem:tvitem];
 196     // Remove the child window as a notebook page
 197     wxASSERT(static_cast<NSView*>([tvitem view]) == page->GetNSViewForSuperview());
 198     [tvitem setView:nil];
 199     [tvitem release];
 200     // Make it back into a normal child window
 201     [m_cocoaNSView addSubview: page->GetNSViewForSuperview()];
 202
 203     return page;
 204 }
 205
 206 bool wxNotebook::DeletePage(size_t nPage)
 207 {
 208     return wxNotebookBase::DeletePage(nPage);
 209 }
 210
 211 bool wxNotebook::InsertPage( size_t pos,
 212                  wxNotebookPage *page, const wxString& title,
 213                  bool bSelect, int imageId)
 214 {
 215     wxAutoNSAutoreleasePool pool;
 216     m_pages.Insert(page,pos);
 217     NSTabViewItem *tvitem = [[WX_GET_OBJC_CLASS(WXCTabViewImageItem) alloc] initWithIdentifier:nil];
 218     [tvitem setLabel: wxNSStringWithWxString(title)];
 219     const wxBitmap *bmp = (imageId!=-1)?m_imageList->GetBitmapPtr(imageId):NULL;
 220     if(bmp)
 221         [(WXCTabViewImageItem*) tvitem setImage: bmp->GetNSImage(true)];
 222
 223     NSView *pageNSView = page->GetNSViewForSuperview();
 224     // Remove it as a normal child
 225     wxASSERT(m_cocoaNSView == [pageNSView superview]);
 226     [pageNSView removeFromSuperview];
 227     // And make it a notebook page
 228     [tvitem setView: pageNSView];
 229
 230     [GetNSTabView() insertTabViewItem:tvitem atIndex:pos];
 231     [tvitem release];
 232
 233     return true;
 234 }
 235
 236 bool wxNotebook::DeleteAllPages()
 237 {
 238     while(!m_pages.IsEmpty())
 239         DeletePage(0);
 240     return true;
 241 }
 242
 243
 244 bool wxNotebook::SetPageText(size_t nPage, const wxString& title)
 245 {
 246     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 247     if(!tvitem)
 248         return false;
 249     [tvitem setLabel: wxNSStringWithWxString(title)];
 250     return true;
 251 }
 252
 253 wxString wxNotebook::GetPageText(size_t nPage) const
 254 {
 255     return wxStringWithNSString([[GetNSTabView() tabViewItemAtIndex: nPage] label]);
 256 }
 257
 258
 259 int wxNotebook::GetPageImage(size_t nPage) const
 260 {
 261     // To do this we'd need to keep track of this, which we don't!
 262     return -1;
 263 }
 264
 265 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 266 {
 267     const wxBitmap *bmp = nImage!=-1?m_imageList->GetBitmapPtr(nImage):NULL;
 268     if(!bmp)
 269         return false;
 270     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 271     if(!tvitem)
 272         return false;
 273     [(WXCTabViewImageItem*) tvitem setImage: bmp->GetNSImage(true)];
 274     return true;
 275 }
 276
 277 int wxNotebook::SetSelection(size_t nPage)
 278 {
 279     const int pageOld = GetSelection();
 280
 281     if ( !SendPageChangingEvent(nPage) )
 282         return pageOld;
 283
 284     int page = ChangeSelection(nPage);
 285     if ( page != wxNOT_FOUND )
 286     {
 287         SendPageChangedEvent(pageOld);
 288     }
 289
 290     return page;
 291 }
 292
 293 int wxNotebook::ChangeSelection(size_t nPage)
 294 {
 295     wxAutoNSAutoreleasePool pool;
 296     [GetNSTabView() selectTabViewItemAtIndex:nPage];
 297     return GetSelection();
 298 }
 299
 300 int wxNotebook::GetSelection() const
 301 {
 302     NSTabViewItem *selectedItem = [GetNSTabView() selectedTabViewItem];
 303     if(!selectedItem)
 304         return wxNOT_FOUND;
 305     return [GetNSTabView() indexOfTabViewItem:selectedItem];
 306 }
 307
 308 void wxNotebook::CocoaDelegate_tabView_didSelectTabViewItem(WX_NSTabViewItem tabViewItem)
 309 {
 310     // FIXME: oldSel probably == newSel
 311     wxBookCtrlEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED, GetId(),
 312         [GetNSTabView() indexOfTabViewItem:tabViewItem], GetSelection());
 313     event.SetEventObject(this);
 314     GetEventHandler()->ProcessEvent(event);
 315 }
 316
 317 bool wxNotebook::CocoaDelegate_tabView_shouldSelectTabViewItem(WX_NSTabViewItem tabViewItem)
 318 {
 319     wxBookCtrlEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, GetId(),
 320         [GetNSTabView() indexOfTabViewItem:tabViewItem], GetSelection());
 321     event.SetEventObject(this);
 322     return !HandleWindowEvent(event) || event.IsAllowed();
 323 }
 324
 325 #endif // wxUSE_NOTEBOOK