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:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13 #ifndef WX_PRECOMP
  14     #include "wx/app.h"
  15     #include "wx/notebook.h"
  16 #endif //WX_PRECOMP
  17 #include "wx/imaglist.h"
  18
  19 #include "wx/cocoa/autorelease.h"
  20 #include "wx/cocoa/string.h"
  21
  22 #import <AppKit/NSTabView.h>
  23 #import <AppKit/NSTabViewItem.h>
  24 #import <AppKit/NSImage.h>
  25
  26 // testing:
  27 #import <AppKit/NSPasteboard.h>
  28 #import <Foundation/NSArray.h>
  29
  30 // ========================================================================
  31 // WXCTabViewImageItem
  32 // ========================================================================
  33 @interface WXCTabViewImageItem : NSTabViewItem
  34 {
  35     NSImage *m_image;
  36 }
  37
  38 - (id)init;
  39 - (id)initWithIdentifier: (id)identifier;
  40 - (void)dealloc;
  41
  42 - (NSSize)sizeOfLabel:(BOOL)shouldTruncateLabel;
  43 - (void)drawLabel:(BOOL)shouldTruncateLabel inRect:(NSRect)tabRect;
  44
  45 - (NSImage*)image;
  46 - (void)setImage:(NSImage*)image;
  47 @end // interface WXCTabViewImageItem : NSTabViewItem
  48
  49 @implementation WXCTabViewImageItem : NSTabViewItem
  50 - (id)init
  51 {
  52     return [self initWithIdentifier:nil];
  53 }
  54
  55 - (id)initWithIdentifier: (id)identifier;
  56 {
  57     m_image = nil;
  58     return [super initWithIdentifier:identifier];
  59 }
  60
  61 - (void)dealloc
  62 {
  63     [m_image release];
  64 }
  65
  66 - (NSSize)sizeOfLabel:(BOOL)shouldTruncateLabel
  67 {
  68     NSSize labelSize = [super sizeOfLabel:shouldTruncateLabel];
  69     if(!m_image)
  70         return labelSize;
  71     NSSize imageSize = [m_image size];
  72     // scale image size
  73     if(imageSize.height > labelSize.height)
  74     {
  75         imageSize.width *= labelSize.height/imageSize.height;
  76         imageSize.height *= labelSize.height/imageSize.height;
  77         [m_image setScalesWhenResized:YES];
  78         [m_image setSize: imageSize];
  79     }
  80     labelSize.width += imageSize.width;
  81     return labelSize;
  82 }
  83
  84 - (void)drawLabel:(BOOL)shouldTruncateLabel inRect:(NSRect)tabRect
  85 {
  86     if(m_image)
  87     {
  88         NSSize imageSize = [m_image size];
  89         [m_image compositeToPoint:NSMakePoint(tabRect.origin.x,
  90                 tabRect.origin.y+imageSize.height)
  91             operation:NSCompositeSourceOver];
  92         tabRect.size.width -= imageSize.width;
  93         tabRect.origin.x += imageSize.width;
  94     }
  95     [super drawLabel:shouldTruncateLabel inRect:tabRect];
  96 }
  97
  98 - (NSImage*)image
  99 {
 100     return m_image;
 101 }
 102
 103 - (void)setImage:(NSImage*)image
 104 {
 105     [image retain];
 106     [m_image release];
 107     m_image = image;
 108     if(!m_image)
 109         return;
 110     [[NSPasteboard generalPasteboard]
 111         declareTypes:[NSArray arrayWithObject:NSTIFFPboardType]
 112         owner:nil];
 113     [[NSPasteboard generalPasteboard]
 114         setData:[m_image TIFFRepresentation]
 115         forType:NSTIFFPboardType];
 116 }
 117
 118 @end // implementation WXCTabViewImageItem : NSTabViewItem
 119
 120 // ========================================================================
 121 // wxNotebookEvent
 122 // ========================================================================
 123 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
 124 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
 125 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 126
 127 // ========================================================================
 128 // wxNotebook
 129 // ========================================================================
 130 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
 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     if(m_parent)
 147         m_parent->CocoaAddChild(this);
 148     SetInitialFrameRect(pos,size);
 149
 150     return true;
 151 }
 152
 153 wxNotebook::~wxNotebook()
 154 {
 155 }
 156
 157 void wxNotebook::SetPadding(const wxSize& padding)
 158 {   // Can't do
 159 }
 160
 161 void wxNotebook::SetTabSize(const wxSize& sz)
 162 {   // Can't do
 163 }
 164
 165 void wxNotebook::SetPageSize(const wxSize& size)
 166 {
 167 }
 168
 169
 170 wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
 171 {
 172     wxNotebookPage *page = wxNotebookBase::DoRemovePage(nPage);
 173     if(!page)
 174         return NULL;
 175     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 176     wxASSERT(tvitem);
 177     [tvitem retain];
 178     [GetNSTabView() removeTabViewItem:tvitem];
 179     // Remove the child window as a notebook page
 180     wxASSERT([tvitem view] == page->GetNSViewForSuperview());
 181     [tvitem setView:nil];
 182     [tvitem release];
 183     // Make it back into a normal child window
 184     [m_cocoaNSView addSubview: page->GetNSViewForSuperview()];
 185
 186     return page;
 187 }
 188
 189 bool wxNotebook::DeletePage(size_t nPage)
 190 {
 191     return wxNotebookBase::DeletePage(nPage);
 192 }
 193
 194 bool wxNotebook::InsertPage( size_t pos,
 195                  wxNotebookPage *page, const wxString& title,
 196                  bool bSelect, int imageId)
 197 {
 198     wxAutoNSAutoreleasePool pool;
 199     m_pages.Insert(page,pos);
 200     NSTabViewItem *tvitem = [[WXCTabViewImageItem alloc] initWithIdentifier:nil];
 201     [tvitem setLabel: wxNSStringWithWxString(title)];
 202     const wxBitmap *bmp = (imageId!=-1)?m_imageList->GetBitmap(imageId):NULL;
 203     if(bmp)
 204         [(WXCTabViewImageItem*) tvitem setImage: bmp->GetNSImage(true)];
 205
 206     NSView *pageNSView = page->GetNSViewForSuperview();
 207     // Remove it as a normal child
 208     wxASSERT(m_cocoaNSView == [pageNSView superview]);
 209     [pageNSView removeFromSuperview];
 210     // And make it a notebook page
 211     [tvitem setView: pageNSView];
 212
 213     [GetNSTabView() insertTabViewItem:tvitem atIndex:pos];
 214     [tvitem release];
 215
 216     return true;
 217 }
 218
 219 bool wxNotebook::DeleteAllPages()
 220 {
 221     while(!m_pages.IsEmpty())
 222         DeletePage(0);
 223     return true;
 224 }
 225
 226
 227 bool wxNotebook::SetPageText(size_t nPage, const wxString& title)
 228 {
 229     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 230     if(!tvitem)
 231         return false;
 232     [tvitem setLabel: wxNSStringWithWxString(title)];
 233     return true;
 234 }
 235
 236 wxString wxNotebook::GetPageText(size_t nPage) const
 237 {
 238     return wxStringWithNSString([[GetNSTabView() tabViewItemAtIndex: nPage] label]);
 239 }
 240
 241
 242 int wxNotebook::GetPageImage(size_t nPage) const
 243 {
 244     // To do this we'd need to keep track of this, which we don't!
 245     return -1;
 246 }
 247
 248 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 249 {
 250     const wxBitmap *bmp = nImage!=-1?m_imageList->GetBitmap(nImage):NULL;
 251     if(!bmp)
 252         return false;
 253     NSTabViewItem *tvitem = [GetNSTabView() tabViewItemAtIndex: nPage];
 254     if(!tvitem)
 255         return false;
 256     [(WXCTabViewImageItem*) tvitem setImage: bmp->GetNSImage(true)];
 257     return true;
 258 }
 259
 260
 261 int wxNotebook::SetSelection(size_t nPage)
 262 {
 263     wxAutoNSAutoreleasePool pool;
 264     [GetNSTabView() selectTabViewItemAtIndex:nPage];
 265     return GetSelection();
 266 }
 267
 268 int wxNotebook::GetSelection() const
 269 {
 270     NSTabViewItem *selectedItem = [GetNSTabView() selectedTabViewItem];
 271     if(!selectedItem)
 272         return -1;
 273     return [GetNSTabView() indexOfTabViewItem:selectedItem];
 274 }
 275
 276 void wxNotebook::CocoaDelegate_tabView_didSelectTabViewItem(WX_NSTabViewItem tabViewItem)
 277 {
 278     // FIXME: oldSel probably == newSel
 279     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, GetId(),
 280         [GetNSTabView() indexOfTabViewItem:tabViewItem], GetSelection());
 281     event.SetEventObject(this);
 282 }
 283
 284 bool wxNotebook::CocoaDelegate_tabView_shouldSelectTabViewItem(WX_NSTabViewItem tabViewItem)
 285 {
 286     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, GetId(),
 287         [GetNSTabView() indexOfTabViewItem:tabViewItem], GetSelection());
 288     event.SetEventObject(this);
 289     return !GetEventHandler()->ProcessEvent(event) || event.IsAllowed();
 290 }
 291