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E.M.Computergraphic Phase 4
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Phase 4 - Desktop Video Dreams (E. M. Computergraphic)(1996).iso
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utilities
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toolalias
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source
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window.c
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C/C++ Source or Header
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1996-01-02
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5KB
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239 lines
/*
* help.c
*
* Opens help/settings window and handles events.
* For ToolAlias.
*
* Martin W. Scott, 4 February 1993
*/
#include <exec/types.h>
#include <libraries/commodities.h>
#include <intuition/intuition.h>
#include <libraries/gadtools.h>
#include <proto/exec.h>
#include <proto/dos.h>
#include <proto/intuition.h>
#include <proto/gadtools.h>
#include <proto/graphics.h>
#include <proto/commodities.h>
#include <string.h>
#include "toolalias_gfx.c" /* NB!!! compile with NO MULTI-INCLUDES */
#include "file.h"
#include "list.h"
#include "window.h"
extern char popstr[]; /* popup-key */
extern ULONG wndsigflag; /* signal for IDCMP */
static TOOL *curtool = (APTR)(-1L); /* currently shown tool */
static const char *emptystr = "";
/* initialise individual gadget */
static void
InitGadget(UWORD num, LONG tagtype, LONG tagvalue)
{
GT_SetGadgetAttrs(ToolAliasGadgets[num], ToolAliasWnd, NULL, tagtype, tagvalue, TAG_DONE);
}
static void
ToggleStates(BOOL how)
{
UWORD i;
/* Notez Bien: this depends on the order of the gadget numbers */
for (i = GDX_OldStr; i < GDX_SaveBut; i++)
if (i != GDX_AddBut)
InitGadget(i, GA_Disabled, how);
}
/* initialise all gadgets */
static void
UpdateGadgets()
{
static BOOL disabled;
if (curtool) /* list isn't empty */
{
if (disabled)
ToggleStates(disabled = FALSE);
InitGadget(GDX_OldStr, GTST_String, curtool->oldname ? (LONG)curtool->oldname : (LONG)emptystr);
InitGadget(GDX_NewStr, GTST_String, curtool->newname ? (LONG)curtool->newname : (LONG)emptystr);
}
else if (!disabled)
{
InitGadget(GDX_OldStr, GTST_String, (LONG)emptystr);
InitGadget(GDX_NewStr, GTST_String, (LONG)emptystr);
ToggleStates(disabled = TRUE);
}
}
/* show our help window */
BOOL
ShowWindow()
{
static char title[80];
if (curtool == (APTR)(-1L))
curtool = get_head();
WBenchToFront();
if (ToolAliasWnd) /* already open... */
{
WindowToFront(ToolAliasWnd);
return TRUE;
}
if (SetupScreen()) /* try to get lock on WB */
return FALSE;
strcpy(title, "HotKey=<");
strcat(title, popstr);
strcat(title, ">");
ToolAliasWdt = title;
if (!OpenToolAliasWindow()) /* like the name says... */
{
UpdateGadgets();
wndsigflag = 1 << ToolAliasWnd->UserPort->mp_SigBit;
return TRUE;
}
CloseDownScreen();
return FALSE;
}
/* hide our ToolAlias window */
void
HideWindow()
{
if (ToolAliasWnd)
{
CloseToolAliasWindow();
CloseDownScreen();
wndsigflag = NULL;
ToolAliasWnd = NULL;
}
}
/* extract from string-gadget */
#define GadString(gadget) ((struct StringInfo *)(gadget)->SpecialInfo)->Buffer
/* handle window events */
LONG
HandleIDCMP()
{
struct IntuiMessage *msg;
struct Gadget *gadget;
ULONG class;
while (msg = GT_GetIMsg(ToolAliasWnd->UserPort))
{
class = msg->Class;
gadget = (struct Gadget *)msg->IAddress;
GT_ReplyIMsg(msg);
switch (class)
{
case CLOSEWINDOW:
HideWindow();
return GUI_OKAY;
case GADGETUP:
switch (gadget->GadgetID)
{
case GD_OldStr:
if (!set_oldname(curtool, GadString(gadget)))
return GUI_ABEND;
ActivateGadget(ToolAliasGadgets[GDX_NewStr], ToolAliasWnd, NULL);
break;
case GD_NewStr:
if (!set_newname(curtool, GadString(gadget)))
return GUI_ABEND;
break;
case GD_StartBut:
curtool = get_head();
UpdateGadgets();
break;
case GD_PrevBut:
if (curtool && curtool->prev)
{
curtool = curtool->prev;
UpdateGadgets();
}
else DisplayBeep(NULL);
break;
case GD_AddBut:
if (curtool = add_tool(curtool))
{
UpdateGadgets();
ActivateGadget(ToolAliasGadgets[GDX_OldStr], ToolAliasWnd, NULL);
}
else
return GUI_ABEND;
break;
case GD_NextBut:
if (curtool && curtool->next)
{
curtool = curtool->next;
UpdateGadgets();
}
else DisplayBeep(NULL);
break;
case GD_EndBut:
curtool = get_tail();
UpdateGadgets();
break;
case GD_DelBut:
if (curtool)
curtool = rem_tool(curtool);
UpdateGadgets();
break;
case GD_SaveBut:
if (write_config(DEF_CONFIG))
{
HideWindow();
return GUI_OKAY;
}
break;
case GD_LoadBut:
if (get_config(DEF_CONFIG)) /* could fail */
{
curtool = get_head();
UpdateGadgets();
}
else return GUI_ABEND;
break;
case GD_UseBut:
HideWindow();
return GUI_OKAY;
case GD_QuitBut:
HideWindow();
return GUI_QUIT;
} /* switch (gadget->GadgetID) */
break;
case REFRESHWINDOW:
GT_BeginRefresh(ToolAliasWnd);
/* ToolAliasRender();*/
GT_EndRefresh(ToolAliasWnd, TRUE);
break;
} /* switch (class) */
} /* while more messages */
return GUI_OKAY;
}