API tools faq
paste
Advertisement
Guest User

Untitled

a guest
Feb 25th, 2016
240
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 10.20 KB | None | 0 0
raw download clone embed print report
  1. /*
  2. * TileScrollView.m
  3. *
  4. * Copyright (C) 1996-2013 by vhf interservice GmbH
  5. * Author: Georg Fleischmann
  6. *
  7. * Created: 1993
  8. * Modified: 2013-06-29 (-scaleTo: new - scale to saved scaleFactor)
  9. * 2012-08-13 (call of [document -scale:...] with NSSize, scaleFactor, scale -> VFloat)
  10. * 2009-09-22 (-magnifyRegion: zero region -> scale to next zoom step, not 5000%)
  11. *
  12. * This program is free software; you can redistribute it and/or
  13. * modify it under the terms of the vhf Public License as
  14. * published by vhf interservice GmbH. Among other things, the
  15. * License requires that the copyright notices and this notice
  16. * be preserved on all copies.
  17. *
  18. * This program is distributed in the hope that it will be useful,
  19. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  21. * See the vhf Public License for more details.
  22. *
  23. * You should have received a copy of the vhf Public License along
  24. * with this program; see the file LICENSE. If not, write to vhf.
  25. *
  26. * vhf interservice GmbH, Im Marxle 3, 72119 Altingen, Germany
  27. * eMail: info@vhf.de
  28. * http://www.vhf.de
  29. */
  30.  
  31. #include <AppKit/AppKit.h>
  32. #include <VHFShared/types.h>
  33. #include "TileScrollView.h"
  34. #include "App.h"
  35.  
  36. @implementation TileScrollView
  37.  
  38.  
  39. /* instance methods */
  40.  
  41. /*+ (NSSize)frameSizeForContentSize:(NSSize)contentSize hasHorizontalScroller:(BOOL)hFlag hasVerticalScroller:(BOOL)vFlag borderType:(NSBorderType)borderType
  42. { NSSize size;
  43.  
  44. size = [super frameSizeForContentSize:contentSize hasHorizontalScroller:hFlag hasVerticalScroller:vFlag borderType:borderType];
  45. size.height += 28.0;
  46.  
  47. return size;
  48. }
  49.  
  50. + (NSSize)contentSizeForFrameSize:(NSSize)frameSize hasHorizontalScroller:(BOOL)hFlag hasVerticalScroller:(BOOL)vFlag borderType:(NSBorderType)borderType
  51. { NSSize size;
  52.  
  53. size = [super contentSizeForFrameSize:frameSize hasHorizontalScroller:hFlag hasVerticalScroller:vFlag borderType:borderType];
  54. size.height -= 28.0;
  55.  
  56. return size;
  57. }*/
  58.  
  59. - initWithFrame:(NSRect)theFrame
  60. {
  61. [super initWithFrame:theFrame];
  62.  
  63. /* remember the current scale factor */
  64. oldScaleFactor = 1.0;
  65.  
  66. #ifdef __APPLE__
  67. [self setDrawsBackground:NO];
  68. #endif
  69.  
  70. return self;
  71. }
  72.  
  73. - (void)setDocument:docu
  74. { int i;
  75.  
  76. document = docu;
  77.  
  78. [resPopupListButton setTarget:self];
  79. [resPopupListButton setAction:@selector(changeScale:)];
  80. if ( (i = [resPopupListButton indexOfItemWithTag:100]) >= 0 ) // GNUstep: set to 100%
  81. [resPopupListButton selectItemAtIndex:i];
  82. }
  83.  
  84. /* created: 1993-07-04
  85. * modified: 2012-08-13
  86. *
  87. * increment and decrement an entry in the popup menu
  88. */
  89. - (void)zoomIn:sender
  90. { int row;
  91. VFloat scaleFactor;
  92. NSPoint center;
  93. NSRect bRect;
  94.  
  95. for (row=0; row<[resPopupListButton numberOfItems]; row++)
  96. if (Diff((float)[(TileScrollView*)[resPopupListButton itemAtIndex:row] tag] / 100.0, oldScaleFactor) < 0.001)
  97. break;
  98. row++;
  99. if (row >= [resPopupListButton numberOfItems])
  100. return;
  101. [resPopupListButton setTitle:[resPopupListButton itemTitleAtIndex:row]];
  102.  
  103. scaleFactor = [(TileScrollView*)[resPopupListButton itemAtIndex:row] tag] / 100.0;
  104.  
  105. bRect = [[self documentView] visibleRect];
  106. center.x = bRect.origin.x+bRect.size.width/2.0;
  107. center.y = bRect.origin.y+bRect.size.height/2.0;
  108.  
  109. [document scale:NSMakeSize(scaleFactor/oldScaleFactor, scaleFactor/oldScaleFactor) withCenter:center];
  110. oldScaleFactor = scaleFactor;
  111.  
  112. [[self window] makeFirstResponder:[document documentView]];
  113. }
  114.  
  115. - (void)zoomOut:sender
  116. { int row;
  117. VFloat scaleFactor;
  118. NSPoint center;
  119. NSRect bRect;
  120.  
  121. for (row=0; row<[resPopupListButton numberOfItems]; row++)
  122. if (Diff((float)[(TileScrollView*)[resPopupListButton itemAtIndex:row] tag] / 100.0, oldScaleFactor) < 0.001)
  123. break;
  124. row--;
  125. if (row < 0)
  126. return;
  127.  
  128. scaleFactor = [(TileScrollView*)[resPopupListButton itemAtIndex:row] tag] / 100.0;
  129.  
  130. #if !defined(GNUSTEP_BASE_VERSION) && !defined(__APPLE__) // OpenStep 4.2
  131. bRect = [[self documentView] bounds];
  132. if ( ![[self documentView] caching] &&
  133. Max(bRect.size.width, bRect.size.height)/scaleFactor >= 10000.0)
  134. return;
  135. #endif
  136.  
  137. [resPopupListButton setTitle:[resPopupListButton itemTitleAtIndex:row]];
  138.  
  139. bRect = [[self documentView] visibleRect];
  140. center.x = bRect.origin.x+bRect.size.width /2.0;
  141. center.y = bRect.origin.y+bRect.size.height/2.0;
  142.  
  143. [document scale:NSMakeSize(scaleFactor/oldScaleFactor, scaleFactor/oldScaleFactor) withCenter:center];
  144. oldScaleFactor = scaleFactor;
  145.  
  146. [[self window] makeFirstResponder:[document documentView]];
  147. }
  148.  
  149. - (void)magnify:sender
  150. { BOOL flag = ([[self documentView] magnify]) ? NO : YES;
  151.  
  152. [[self documentView] setMagnify:flag];
  153. if ( flag )
  154. [self setDocumentCursor:[[NSCursor alloc] initWithImage:[NSImage imageNamed:@"cursorMagnify.tiff"]
  155. hotSpot:NSMakePoint(7.0, 7.0)]];
  156. }
  157.  
  158. /* modified: 2012-08-13
  159. */
  160. - (void)magnifyRegion:(NSRect)region
  161. { NSPoint center;
  162. int row;
  163. VFloat scaleFactor, scale = 0.0;
  164. NSRect bRect;
  165.  
  166. bRect = [[self documentView] visibleRect];
  167. if ( region.size.width && region.size.height )
  168. scale = (bRect.size.width+bRect.size.height) / (region.size.width+region.size.height);
  169. center.x = region.origin.x+region.size.width/2.0;
  170. center.y = region.origin.y+region.size.height/2.0;
  171.  
  172. /* get row of popup relating to current scale */
  173. for (row=0; row<[resPopupListButton numberOfItems]; row++)
  174. if (Diff((float)[(TileScrollView*)[resPopupListButton itemAtIndex:row] tag] / 100.0, oldScaleFactor) < 0.001)
  175. break;
  176. row++;
  177. if (row >= [resPopupListButton numberOfItems])
  178. return;
  179.  
  180. /* climb up the popup entries and get the new row */
  181. for ( ; scale > 0.0 && row<[resPopupListButton numberOfItems]-1; row++ )
  182. {
  183. scaleFactor = [(TileScrollView*)[resPopupListButton itemAtIndex:row] tag] / 100.0;
  184. if (scaleFactor / oldScaleFactor >= scale)
  185. break;
  186. }
  187.  
  188. [resPopupListButton setTitle:[resPopupListButton itemTitleAtIndex:row]];
  189. scaleFactor = [(TileScrollView*)[resPopupListButton itemAtIndex:row] tag] / 100.0;
  190.  
  191. [document scale:NSMakeSize(scaleFactor/oldScaleFactor, scaleFactor/oldScaleFactor) withCenter:center];
  192. oldScaleFactor = scaleFactor;
  193. }
  194.  
  195. - (void)changeScale:sender
  196. { NSPoint center;
  197. NSRect bRect;
  198. VFloat scaleFactor = [[sender selectedItem] tag] / 100.0;
  199.  
  200. if (scaleFactor != oldScaleFactor)
  201. {
  202.  
  203. #if !defined(GNUSTEP_BASE_VERSION) && !defined(__APPLE__) // OpenStep 4.2
  204. bRect = [[self documentView] bounds];
  205. if ( ![[self documentView] caching] &&
  206. Max(bRect.size.width, bRect.size.height)/scaleFactor >= 10000.0)
  207. return;
  208. #endif
  209.  
  210. //bRect = [[self documentView] bounds];
  211. bRect = [[self documentView] visibleRect];
  212. center.x = bRect.origin.x+bRect.size.width /2.0;
  213. center.y = bRect.origin.y+bRect.size.height/2.0;
  214. //[window disableDisplay];
  215. [document scale:NSMakeSize(scaleFactor/oldScaleFactor, scaleFactor/oldScaleFactor) withCenter:center];
  216. //[[self window] reenableDisplay];
  217. //[self display];
  218. oldScaleFactor = scaleFactor;
  219. }
  220.  
  221. [[self window] makeFirstResponder:[document documentView]];
  222. }
  223.  
  224. - (void)scaleTo:(float)scaleFactor
  225. { NSPoint center;
  226. NSRect bRect;
  227.  
  228. if (scaleFactor != oldScaleFactor)
  229. { int row = -1;
  230.  
  231. for (row=0; row<[resPopupListButton numberOfItems]; row++)
  232. if (Diff((float)[(TileScrollView*)[resPopupListButton itemAtIndex:row] tag] / 100.0, oldScaleFactor) < 0.001)
  233. [resPopupListButton selectItemAtIndex:row];
  234.  
  235. #if !defined(GNUSTEP_BASE_VERSION) && !defined(__APPLE__) // OpenStep 4.2
  236. bRect = [[self documentView] bounds];
  237. if ( ![[self documentView] caching] &&
  238. Max(bRect.size.width, bRect.size.height)/scaleFactor >= 10000.0)
  239. return;
  240. #endif
  241.  
  242. bRect = [[self documentView] visibleRect];
  243. center.x = bRect.origin.x+bRect.size.width /2.0;
  244. center.y = bRect.origin.y+bRect.size.height/2.0;
  245. [document scale:NSMakeSize(scaleFactor/oldScaleFactor, scaleFactor/oldScaleFactor) withCenter:center];
  246. oldScaleFactor = scaleFactor;
  247. }
  248.  
  249. [[self window] makeFirstResponder:[document documentView]];
  250. }
  251.  
  252. - (float)scaleFactor
  253. {
  254. return oldScaleFactor;
  255. }
  256.  
  257. - (void)setDocumentView:(NSView *)aView
  258. {
  259. [super setDocumentView:aView];
  260. }
  261.  
  262. /*
  263. * tile gets called whenever the scrollView changes size. Its job is to resize
  264. * all of the scrollView's "tiled" views (scrollers, contentView and any other
  265. * views we might want to place in the scrollView's bounds).
  266. */
  267. - (void)tile
  268. { static float popupWidth = 0;
  269. NSRect scrollerRect, buttonRect;
  270.  
  271. /* resize and arrange the scrollers and contentView as usual */
  272. [super tile];
  273.  
  274. /* FIXME: this is a hack to avoid crash with NSRulerView which is released too often
  275. * I have no idea where this release comes from!
  276. */
  277. { int i;
  278.  
  279. for (i=[[self subviews] count]-1; i>=0; i-- )
  280. { id subview = [[self subviews] objectAtIndex:i];
  281.  
  282. if ([subview isKindOfClass:[NSRulerView class]])
  283. {
  284. if ([subview retainCount] <= 2)
  285. [subview retain];
  286. break;
  287. }
  288. }
  289. }
  290.  
  291. if ( !box ) // on Apple we can't tile the scroller, it's too small (box = nil)
  292. return;
  293.  
  294. if ([box superview] != self) // make sure the popup list is subview of us
  295. [self addSubview:box];
  296.  
  297. if (!popupWidth) // get popup width
  298. { buttonRect = [box frame];
  299. popupWidth = buttonRect.size.width;
  300. }
  301.  
  302. scrollerRect = [[self horizontalScroller] frame]; // make the hScroller smaller + stick the popup next to it
  303. NSDivideRect(scrollerRect, &buttonRect, &scrollerRect, popupWidth, 2);
  304. [[self horizontalScroller] setFrame:scrollerRect];
  305. [box setFrame:buttonRect];
  306. }
  307.  
  308. @end
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!