test/scrollerwin.c

   1 #include <dos/dos.h>
   2 #include <intuition/intuition.h>
   3 #include <intuition/imageclass.h>
   4 #include <intuition/gadgetclass.h>
   5 #include <graphics/gfx.h>
   6 #include <utility/hooks.h>
   7
   8 #include <proto/exec.h>
   9 #include <proto/intuition.h>
  10 #include <proto/graphics.h>
  11 #include <proto/alib.h>
  12
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15
  16 enum
  17 {
  18     GAD_UPARROW,
  19     GAD_DOWNARROW,
  20     GAD_LEFTARROW,
  21     GAD_RIGHTARROW,
  22     GAD_VERTSCROLL,
  23     GAD_HORIZSCROLL,
  24     NUM_GADGETS
  25 };
  26
  27 enum
  28 {
  29     IMG_UPARROW,
  30     IMG_DOWNARROW,
  31     IMG_LEFTARROW,
  32     IMG_RIGHTARROW,
  33     IMG_SIZE,
  34     NUM_IMAGES
  35 };
  36
  37 struct IntuitionBase *IntuitionBase;
  38 struct GfxBase *GfxBase;
  39
  40 static struct Screen *scr;
  41 static struct Window *win;
  42 static struct DrawInfo *dri;
  43
  44 static struct Gadget *gad[NUM_GADGETS], *firstgadget;
  45 static struct Image *img[NUM_GADGETS];
  46
  47 static void Cleanup(char *msg)
  48 {
  49     WORD rc, i;
  50
  51     if (msg)
  52     {
  53         printf("scrollerwin: %s\n",msg);
  54         rc = RETURN_WARN;
  55     } else {
  56         rc = RETURN_OK;
  57     }
  58
  59     if (win)
  60     {
  61         for(i = 0; i < NUM_GADGETS;i++)
  62         {
  63             if (gad[i]) RemoveGadget(win,gad[i]);
  64         }
  65
  66         CloseWindow(win);
  67     }
  68
  69     for(i = 0; i < NUM_GADGETS;i++)
  70     {
  71         if (gad[i]) DisposeObject(gad[i]);
  72     }
  73     for(i = 0; i < NUM_IMAGES;i++)
  74     {
  75         if (img[i]) DisposeObject(img[i]);
  76     }
  77
  78     if (dri) FreeScreenDrawInfo(scr,dri);
  79     if (scr) UnlockPubScreen(0,scr);
  80
  81     if (GfxBase) CloseLibrary((struct Library *)GfxBase);
  82     if (IntuitionBase) CloseLibrary((struct Library *)IntuitionBase);
  83
  84     exit(rc);
  85 }
  86
  87 static void OpenLibs(void)
  88 {
  89     if (!(IntuitionBase = (struct IntuitionBase *)OpenLibrary("intuition.library",39)))
  90     {
  91         Cleanup("Can't open intuition.library V39!");
  92     }
  93
  94     if (!(GfxBase = (struct GfxBase *)OpenLibrary("graphics.library",39)))
  95     {
  96         Cleanup("Can't open graphics.library V39!");
  97     }
  98 }
  99
 100 static void GetVisual(void)
 101 {
 102     if (!(scr = LockPubScreen(0)))
 103     {
 104         Cleanup("Can't lock pub screen!");
 105     }
 106
 107     if (!(dri = GetScreenDrawInfo(scr)))
 108     {
 109         Cleanup("Can't get drawinfo!");
 110     }
 111 }
 112
 113 static void MakeGadgets(void)
 114 {
 115     static WORD img2which[] =
 116     {
 117         UPIMAGE,
 118         DOWNIMAGE,
 119         LEFTIMAGE,
 120         RIGHTIMAGE,
 121         SIZEIMAGE
 122     };
 123
 124     IPTR imagew[NUM_IMAGES],imageh[NUM_IMAGES];
 125     WORD v_offset,h_offset, btop, i;
 126
 127     for(i = 0;i < NUM_IMAGES;i++)
 128     {
 129         img[i] = NewObject(0,SYSICLASS,SYSIA_DrawInfo,(IPTR)dri,
 130                                        SYSIA_Which,img2which[i],
 131                                        TAG_DONE);
 132
 133         if (!img[i]) Cleanup("Can't create SYSICLASS image!");
 134
 135         GetAttr(IA_Width,(Object *)img[i],&imagew[i]);
 136         GetAttr(IA_Height,(Object *)img[i],&imageh[i]);
 137     }
 138
 139     btop = scr->WBorTop + dri->dri_Font->tf_YSize + 1;
 140
 141     v_offset = imagew[IMG_DOWNARROW] / 4;
 142     h_offset = imageh[IMG_LEFTARROW] / 4;
 143
 144     firstgadget = gad[GAD_UPARROW] = NewObject(0,BUTTONGCLASS,
 145             GA_Image,(IPTR)img[IMG_UPARROW],
 146             GA_RelRight,-imagew[IMG_UPARROW] + 1,
 147             GA_RelBottom,-imageh[IMG_DOWNARROW] - imageh[IMG_UPARROW] - imageh[IMG_SIZE] + 1,
 148             GA_ID,GAD_UPARROW,
 149             GA_RightBorder,TRUE,
 150             GA_Immediate,TRUE,
 151             TAG_DONE);
 152
 153     gad[GAD_DOWNARROW] = NewObject(0,BUTTONGCLASS,
 154             GA_Image,(IPTR)img[IMG_DOWNARROW],
 155             GA_RelRight,-imagew[IMG_UPARROW] + 1,
 156             GA_RelBottom,-imageh[IMG_UPARROW] - imageh[IMG_SIZE] + 1,
 157             GA_ID,GAD_DOWNARROW,
 158             GA_RightBorder,TRUE,
 159             GA_Previous,(IPTR)gad[GAD_UPARROW],
 160             GA_Immediate,TRUE,
 161             TAG_DONE);
 162
 163     gad[GAD_VERTSCROLL] = NewObject(0,PROPGCLASS,
 164             GA_Top,btop + 1,
 165             GA_RelRight,-imagew[IMG_DOWNARROW] + v_offset + 1,
 166             GA_Width,imagew[IMG_DOWNARROW] - v_offset * 2,
 167             GA_RelHeight,-imageh[IMG_DOWNARROW] - imageh[IMG_UPARROW] - imageh[IMG_SIZE] - btop -2,
 168             GA_ID,GAD_VERTSCROLL,
 169             GA_Previous,(IPTR)gad[GAD_DOWNARROW],
 170             GA_RightBorder,TRUE,
 171             GA_RelVerify,TRUE,
 172             GA_Immediate,TRUE,
 173             PGA_NewLook,TRUE,
 174             PGA_Borderless,TRUE,
 175             PGA_Total,100,
 176             PGA_Visible,20,
 177             PGA_Freedom,FREEVERT,
 178             TAG_DONE);
 179
 180     gad[GAD_RIGHTARROW] = NewObject(0,BUTTONGCLASS,
 181             GA_Image,(IPTR)img[IMG_RIGHTARROW],
 182             GA_RelRight,-imagew[IMG_SIZE] - imagew[IMG_RIGHTARROW] + 1,
 183             GA_RelBottom,-imageh[IMG_RIGHTARROW] + 1,
 184             GA_ID,GAD_RIGHTARROW,
 185             GA_BottomBorder,TRUE,
 186             GA_Previous,(IPTR)gad[GAD_VERTSCROLL],
 187             GA_Immediate,TRUE,
 188             TAG_DONE);
 189
 190     gad[GAD_LEFTARROW] = NewObject(0,BUTTONGCLASS,
 191             GA_Image,(IPTR)img[IMG_LEFTARROW],
 192             GA_RelRight,-imagew[IMG_SIZE] - imagew[IMG_RIGHTARROW] - imagew[IMG_LEFTARROW] + 1,
 193             GA_RelBottom,-imageh[IMG_RIGHTARROW] + 1,
 194             GA_ID,GAD_LEFTARROW,
 195             GA_BottomBorder,TRUE,
 196             GA_Previous,(IPTR)gad[GAD_RIGHTARROW],
 197             GA_Immediate,TRUE,
 198             TAG_DONE);
 199
 200     gad[GAD_HORIZSCROLL] = NewObject(0,PROPGCLASS,
 201             GA_Left,scr->WBorLeft,
 202             GA_RelBottom,-imageh[IMG_LEFTARROW] + h_offset + 1,
 203             GA_RelWidth,-imagew[IMG_LEFTARROW] - imagew[IMG_RIGHTARROW] - imagew[IMG_SIZE] - scr->WBorRight - 2,
 204             GA_Height,imageh[IMG_LEFTARROW] - (h_offset * 2),
 205             GA_ID,GAD_HORIZSCROLL,
 206             GA_Previous,(IPTR)gad[GAD_LEFTARROW],
 207             GA_BottomBorder,TRUE,
 208             GA_RelVerify,TRUE,
 209             GA_Immediate,TRUE,
 210             PGA_NewLook,TRUE,
 211             PGA_Borderless,TRUE,
 212             PGA_Total,100,
 213             PGA_Visible,20,
 214             PGA_Freedom,FREEHORIZ,
 215             TAG_DONE);
 216
 217     for(i = 0;i < NUM_GADGETS;i++)
 218     {
 219         if (!gad[i]) Cleanup("Can't create gadget!");
 220     }
 221 }
 222
 223 static void MakeWin(void)
 224 {
 225     if (!(win = OpenWindowTags(0,WA_PubScreen,(IPTR)scr,
 226                                  WA_Left,10,
 227                                  WA_Top,10,
 228                                  WA_Width,300,
 229                                  WA_Height,150,
 230                                  WA_Title,(IPTR)"Scroller Window",
 231                                  WA_SimpleRefresh,TRUE,
 232                                  WA_CloseGadget,TRUE,
 233                                  WA_DepthGadget,TRUE,
 234                                  WA_DragBar,TRUE,
 235                                  WA_SizeGadget,TRUE,
 236                                  WA_SizeBBottom,TRUE,
 237                                  WA_SizeBRight,TRUE,
 238                                  WA_Gadgets,(IPTR)firstgadget,
 239                                  WA_MinWidth,50,
 240                                  WA_MinHeight,50,
 241                                  WA_MaxWidth,scr->Width,
 242                                  WA_MaxHeight,scr->Height,
 243                                  WA_IDCMP,IDCMP_CLOSEWINDOW | IDCMP_REFRESHWINDOW,
 244                                  TAG_DONE)))
 245     {
 246             Cleanup("Can't open window!");
 247     }
 248
 249     ScreenToFront(win->WScreen);
 250
 251 }
 252
 253 static void HandleAll(void)
 254 {
 255     struct IntuiMessage *msg;
 256
 257     BOOL quitme = FALSE;
 258
 259     while(!quitme)
 260     {
 261         WaitPort(win->UserPort);
 262         while ((msg = (struct IntuiMessage *)GetMsg(win->UserPort)))
 263         {
 264             switch(msg->Class)
 265             {
 266                 case IDCMP_CLOSEWINDOW:
 267                     quitme = TRUE;
 268                     break;
 269
 270                 case IDCMP_REFRESHWINDOW:
 271                     BeginRefresh(win);
 272                     EndRefresh(win,TRUE);
 273                     break;
 274             }
 275             ReplyMsg((struct Message *)msg);
 276         }
 277     }
 278 }
 279
 280 int main(void)
 281 {
 282     OpenLibs();
 283     GetVisual();
 284     MakeGadgets();
 285     MakeWin();
 286     HandleAll();
 287     Cleanup(0);
 288     return 0;
 289 }
 290