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/ MacHack 1997 / MacHack 1997.toast / Hacks / Hacks ’95 / Reminder Manager / About.c next >
C/C++ Source or Header  |  1995-06-24  |  2KB  |  100 lines
  1. #include "About.h"
  2.  
  3. //#define      TRUE   1
  4. //#define      FALSE  0
  5. #define      NIL    0
  6. #define         ABOUT  67
  7.  
  8. static WindowPtr    MyWindow;
  9. static Rect            picRect;
  10. static int            canAbout = TRUE;
  11.  
  12.  
  13. void  Init_About()
  14. {
  15.     MyWindow = NIL;
  16. }
  17.  
  18. void  Close_About()
  19. {
  20.     if (MyWindow!=NIL) {
  21.         DisposeWindow(MyWindow); 
  22.         MyWindow = NIL;
  23.     }
  24. } 
  25.  
  26. void  Update_About()
  27. {
  28. WindowPtr   SavePort;
  29. PicHandle   Pic_Handle;
  30. Rect        tempRect;
  31. SignedByte    huhstate;
  32.     
  33.     if (MyWindow!=NIL && canAbout)
  34.     {
  35.         GetPort(&SavePort);
  36.         SetPort(MyWindow);
  37.  
  38.         Pic_Handle = GetPicture(ABOUT);
  39.         if (Pic_Handle != NIL) 
  40.         {
  41.             huhstate = HGetState((Handle)Pic_Handle);
  42.             MoveHHi((Handle)Pic_Handle);
  43.             HLock((Handle)Pic_Handle);
  44.             DrawPicture(Pic_Handle,&picRect);
  45.             HSetState((Handle)Pic_Handle,huhstate);
  46.         }
  47.         else {
  48.             canAbout = FALSE;
  49.             Close_About();
  50.         };
  51.         SetPort(SavePort);
  52.     }
  53. }
  54.  
  55. void Open_About()
  56. {
  57. PicHandle    Pic_Handle;
  58. int        v,h;
  59.  
  60.     // I have since seen much simpler code for doing this,
  61.     // but I am keeping this stuff for hysterical raisins
  62.     if (MyWindow == NIL && canAbout) 
  63.     {
  64.         /*     1. Load the picture */
  65.         Pic_Handle = GetPicture(ABOUT);
  66.         if (Pic_Handle != NIL) {                
  67.             HLock((Handle)Pic_Handle);            
  68.             /*    2. Compute the size and clipping rect */
  69.             picRect.top = 0;
  70.             picRect.left = 0;
  71.             picRect.right = (*Pic_Handle)->picFrame.right 
  72.                             - (*Pic_Handle)->picFrame.left;
  73.             picRect.bottom = (*Pic_Handle)->picFrame.bottom 
  74.                             - (*Pic_Handle)->picFrame.top;        
  75.             HUnlock((Handle)Pic_Handle);
  76.         };
  77.         
  78.         /*    3. Load the window */
  79.         MyWindow = GetNewWindow(2,NIL, (WindowPtr)-1);
  80.         SetPort(MyWindow);
  81.         
  82.         /*    4. resize the window slightly bigger than the PICT */
  83.         HLock((Handle)MyWindow);
  84.         SizeWindow(MyWindow,picRect.right,picRect.bottom,TRUE);
  85.         
  86.         /*    5. Position the window top third center */
  87.         v = ((qd.screenBits.bounds.bottom - qd.screenBits.bounds.top) 
  88.             - (MyWindow->portRect.bottom - MyWindow->portRect.top)) / 3;
  89.         h = ((qd.screenBits.bounds.right - qd.screenBits.bounds.left) 
  90.             - (MyWindow->portRect.right - MyWindow->portRect.left)) / 2;
  91.         MoveWindow(MyWindow,h,v,TRUE);
  92.         HUnlock((Handle)MyWindow);
  93.         
  94.         /*    6. Show the window */        
  95.         ShowWindow(MyWindow);
  96.     }
  97.         if (MyWindow!=NIL)
  98.             SelectWindow(MyWindow);
  99. }
  100.