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AmigActive 3
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AACD03.BIN
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CDTools
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ClassAct
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Examples
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Layout
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DynamicExample.c
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C/C++ Source or Header
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1997-07-09
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7KB
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295 lines
;/* Dynamic Example
sc link dynamicexample.c lib lib:classact.lib
quit
*/
/* system includes
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <exec/types.h>
#include <exec/memory.h>
#include <libraries/gadtools.h>
#include <intuition/intuition.h>
#include <intuition/gadgetclass.h>
#include <graphics/gfxbase.h>
#include <graphics/text.h>
#include <graphics/gfxmacros.h>
#include <utility/tagitem.h>
#include <workbench/startup.h>
#include <workbench/workbench.h>
#include <proto/intuition.h>
#include <proto/graphics.h>
#include <proto/exec.h>
#include <proto/dos.h>
#include <proto/utility.h>
#include <proto/wb.h>
#include <proto/icon.h>
/* ClassAct includes
*/
#include <classact.h>
enum
{
GID_MAIN=0,
GID_ADDBUTTON,
GID_REMBUTTON,
GID_REPLACE,
GID_ADDED,
GID_QUIT,
GID_LAST
};
enum
{
WID_MAIN=0,
WID_LAST
};
enum
{
OID_MAIN=0,
OID_LAST
};
int main(void)
{
struct MsgPort *AppPort;
struct Window *windows[WID_LAST];
struct Gadget *gadgets[GID_LAST];
Object *objects[OID_LAST];
/* we must initialize this pointer! */
gadgets[GID_ADDED] = NULL;
/* make sure our classes opened... */
if (!ButtonBase || !CheckBoxBase || !WindowBase || !LayoutBase)
return(30);
else if ( AppPort = CreateMsgPort() )
{
/* Create the window object.
*/
objects[OID_MAIN] = WindowObject,
WA_ScreenTitle, "ClassAct Release 2.0",
WA_Title, "ClassAct Dynamic Layout Example",
WA_Activate, TRUE,
WA_DepthGadget, TRUE,
WA_DragBar, TRUE,
WA_CloseGadget, TRUE,
WA_SizeGadget, TRUE,
WINDOW_IconifyGadget, TRUE,
WINDOW_IconTitle, "Dynamic Iconified",
WINDOW_AppPort, AppPort,
WINDOW_Position, WPOS_CENTERMOUSE,
WINDOW_ParentGroup, gadgets[GID_MAIN] = VGroupObject,
LAYOUT_DeferLayout, TRUE,
LAYOUT_SpaceOuter, TRUE,
LAYOUT_AddChild, HGroupObject,
LAYOUT_EvenSize, TRUE,
LAYOUT_AddChild, gadgets[GID_ADDBUTTON] = ButtonObject,
GA_ID, GID_ADDBUTTON,
GA_RelVerify, TRUE,
GA_Text, "_AddChild",
ButtonEnd,
LAYOUT_AddChild, gadgets[GID_REMBUTTON] = ButtonObject,
GA_ID, GID_REMBUTTON,
GA_RelVerify, TRUE,
GA_Text, "_RemoveChild",
GA_Disabled, TRUE,
ButtonEnd,
LAYOUT_AddChild, gadgets[GID_REPLACE] = ButtonObject,
GA_ID, GID_REPLACE,
GA_RelVerify, TRUE,
GA_Text, "Replace",
GA_Disabled, TRUE,
ButtonEnd,
LAYOUT_AddChild, gadgets[GID_QUIT] = ButtonObject,
GA_ID, GID_QUIT,
GA_RelVerify, TRUE,
GA_Text,"_Quit",
ButtonEnd,
LayoutEnd,
EndGroup,
EndWindow;
/* Object creation sucessful?
*/
if (objects[OID_MAIN])
{
/* Open the window.
*/
if (windows[WID_MAIN] = (struct Window *) CA_OpenWindow(objects[OID_MAIN]))
{
ULONG wait, signal, app = (1L << AppPort->mp_SigBit);
ULONG done = FALSE;
ULONG result;
UWORD code;
/* Obtain the window wait signal mask.
*/
GetAttr(WINDOW_SigMask, objects[OID_MAIN], &signal);
/* Input Event Loop
*/
while (!done)
{
wait = Wait( signal | SIGBREAKF_CTRL_C | app );
if ( wait & SIGBREAKF_CTRL_C )
{
done = TRUE;
}
else
{
while ( (result = CA_HandleInput(objects[OID_MAIN], &code) ) != WMHI_LASTMSG )
{
switch (result & WMHI_CLASSMASK)
{
case WMHI_CLOSEWINDOW:
windows[WID_MAIN] = NULL;
done = TRUE;
break;
case WMHI_GADGETUP:
switch (result & WMHI_GADGETMASK)
{
case GID_ADDBUTTON:
if (gadgets[GID_ADDED] == NULL)
{
SetGadgetAttrs(gadgets[GID_ADDBUTTON], windows[WID_MAIN], NULL,
GA_Disabled, TRUE,
TAG_DONE);
SetGadgetAttrs(gadgets[GID_REMBUTTON], windows[WID_MAIN], NULL,
GA_Disabled, FALSE,
TAG_DONE);
SetGadgetAttrs(gadgets[GID_REPLACE], windows[WID_MAIN], NULL,
GA_Disabled, FALSE,
TAG_DONE);
/* add a new child! */
SetGadgetAttrs(gadgets[GID_MAIN], windows[WID_MAIN], NULL,
LAYOUT_Inverted, TRUE, // Causes AddHead vs. AddTail!
LAYOUT_AddChild, gadgets[GID_ADDED] = ButtonObject,
GA_ID, GID_ADDED,
GA_RelVerify, TRUE,
GA_Text, "Peekaboo!",
ButtonEnd,
TAG_DONE);
/* rethink the window layout */
if (DoMethod(objects[OID_MAIN], WM_RETHINK) == 0)
DoMethod(objects[OID_MAIN], WM_NEWPREFS);
}
break;
case GID_REMBUTTON:
if (gadgets[GID_ADDED] != NULL)
{
SetGadgetAttrs(gadgets[GID_ADDBUTTON], windows[WID_MAIN], NULL,
GA_Disabled, FALSE,
TAG_DONE);
SetGadgetAttrs(gadgets[GID_REMBUTTON], windows[WID_MAIN], NULL,
GA_Disabled, TRUE,
TAG_DONE);
SetGadgetAttrs(gadgets[GID_REPLACE], windows[WID_MAIN], NULL,
GA_Disabled, TRUE,
TAG_DONE);
/* remove the child! */
SetGadgetAttrs(gadgets[GID_MAIN], windows[WID_MAIN], NULL,
LAYOUT_RemoveChild, gadgets[GID_ADDED],
TAG_DONE);
/* clear the pointer */
gadgets[GID_ADDED] = NULL;
/* rethink the window layout */
if (DoMethod(objects[OID_MAIN], WM_RETHINK) == 0)
DoMethod(objects[OID_MAIN], WM_NEWPREFS);
}
break;
case GID_REPLACE:
if (gadgets[GID_ADDED] != NULL)
{
struct Gadget *temp = NULL;
SetGadgetAttrs(gadgets[GID_REPLACE], windows[WID_MAIN], NULL,
GA_Disabled, TRUE,
TAG_DONE);
/* replace the child! */
SetGadgetAttrs(gadgets[GID_MAIN], windows[WID_MAIN], NULL,
LAYOUT_ModifyChild, gadgets[GID_ADDED],
CHILD_ReplaceObject, temp = CheckBoxObject,
GA_ID, GID_ADDED,
GA_RelVerify, TRUE,
GA_Text, "Peekaboo!",
CHECKBOX_TextPlace, PLACETEXT_RIGHT,
CheckBoxEnd,
TAG_DONE);
gadgets[GID_ADDED] = temp;
/* rethink the window layout */
if (DoMethod(objects[OID_MAIN], WM_RETHINK) == 0)
DoMethod(objects[OID_MAIN], WM_NEWPREFS);
}
break;
case GID_ADDED:
break;
case GID_QUIT:
done = TRUE;
break;
}
break;
case WMHI_ICONIFY:
CA_Iconify(objects[OID_MAIN]);
windows[WID_MAIN] = NULL;
break;
case WMHI_UNICONIFY:
windows[WID_MAIN] = (struct Window *) CA_OpenWindow(objects[OID_MAIN]);
if (windows[WID_MAIN])
{
GetAttr(WINDOW_SigMask, objects[OID_MAIN], &signal);
}
else
{
done = TRUE; // error re-opening window!
}
break;
}
}
}
}
}
/* Disposing of the window object will also close the window if it is
* already opened, and it will dispose of the layout object attached to it.
*/
DisposeObject(objects[OID_MAIN]);
}
DeleteMsgPort(AppPort);
}
return(0);
}