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WBStartup+
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WBStartup+Prefs
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ChooseGroupWindow.c
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C/C++ Source or Header
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1998-10-26
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7KB
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205 lines
#include <exec/types.h>
#include <string.h>
#include <intuition/gadgetclass.h>
#include <math.h>
#include <proto/dos.h>
#include <proto/exec.h>
#include <proto/gadtools.h>
#include <proto/intuition.h>
#include <proto/icon.h>
#include <proto/graphics.h>
#include <proto/wb.h>
#include <proto/commodities.h>
#include <proto/diskfont.h>
#include <proto/graphics.h>
#include <proto/utility.h>
#include "WBStartup+Prefs.h"
#include "WBStartupPlusPrefs_Cat.h"
struct Node *ChooseGroup(UWORD x, UWORD y, struct List *list, char *windowtitle);
struct Gadget *createChooseGroupGadgets(struct Gadget **glistptr, void *vi, struct Window *win, struct Gadget *my_gads[], struct List *list);
struct Node *ChooseGroup(UWORD x, UWORD y, struct List *list, char *windowtitle)
{
/* WORD x The current X mouse position */
/* WORD y The current Y mouse position */
/* char *windowtitle The title of the window */
/* RETURNS a pointer to choosen node, or NULL if canceled */
ULONG signals;
ULONG winsigflag;
BOOL LOOP;
struct IntuiMessage *winmsg;
struct Window *win;
struct Screen *scr;
struct VisualInfo *vi;
ULONG winheight,winwidth;
struct Gadget *glist=NULL, *my_gads[TOTALGADGETS];
BOOL success=TRUE; /* FALSE if cancel was selected */
struct Node *n = NULL;
ULONG selectedline;
ULONG oldsecs=0, oldmicros=0;
ULONG oldselection=~0;
if (IsListEmpty(list))
return(NULL);
if (scr=LockPubScreen(NULL))
{
if (vi=GetVisualInfo(scr,TAG_END))
{
winheight = BestWindowHeight(scr,list);
winwidth = (2 * TextLength(&scr->RastPort,windowtitle,strlen(windowtitle))) + 40; /* 40 is for the close and depth gadgets */
if (win = OpenWindowTags(NULL,
WA_Left, x - (winwidth/2),
WA_Top, y - (winheight/2),
WA_Width, winwidth,
WA_Height, winheight,
WA_MinWidth, 264,
WA_MinHeight, scr->WBorTop + (2 * scr->Font->ta_YSize) + 1 + 160 + scr->WBorBottom,
WA_MaxWidth, ~0,
WA_MaxHeight, ~0,
WA_AutoAdjust, TRUE,
WA_IDCMP, IDCMP_NEWSIZE | IDCMP_GADGETUP | IDCMP_CLOSEWINDOW | IDCMP_REFRESHWINDOW | LISTVIEWIDCMP,
WA_Flags, WFLG_SIZEGADGET | WFLG_SIZEBBOTTOM | WFLG_DRAGBAR | WFLG_DEPTHGADGET | WFLG_CLOSEGADGET | WFLG_SMART_REFRESH | WFLG_ACTIVATE,
WA_Title, windowtitle,
WA_PubScreen, scr,
TAG_END))
{
winsigflag = 1L<<win->UserPort->mp_SigBit;
if (RenderGadgets(&glist, vi, win, my_gads, list, createChooseGroupGadgets))
{
LOOP=TRUE;
while (LOOP)
{
signals=Wait(SIGBREAKF_CTRL_C | winsigflag);
if (signals & SIGBREAKF_CTRL_C)
LOOP=FALSE;
if (signals & winsigflag)
{
while (winmsg = (struct IntuiMessage *)GT_GetIMsg((struct MsgPort *)win->UserPort))
{
switch(winmsg->Class)
{
case IDCMP_NEWSIZE:
RemoveGList(win,glist,-1);
FreeGadgets(glist);
RefreshWindowFrame(win);
RenderGadgets(&glist, vi, win, my_gads, list, createChooseGroupGadgets);
break;
case IDCMP_GADGETUP:
switch(((struct Gadget *)winmsg->IAddress)->GadgetID)
{
case SAVE_GAD:
LOOP=FALSE;
break;
case CANCEL_GAD:
success=FALSE;
LOOP=FALSE;
break;
case LIST_GAD:
if ((winmsg->Code == oldselection) && (DoubleClick(oldsecs, oldmicros, winmsg->Seconds, winmsg->Micros)))
LOOP= FALSE;
else
{
oldsecs = winmsg->Seconds;
oldmicros = winmsg->Micros;
oldselection = winmsg->Code;
}
break;
}
break;
case IDCMP_REFRESHWINDOW:
BeginRefresh(win);
EndRefresh(win, TRUE);
break;
case IDCMP_CLOSEWINDOW:
LOOP=FALSE;
break;
}
GT_ReplyIMsg(winmsg);
}
} /* End of process window events */
} /* End of while (LOOP) */
GT_GetGadgetAttrs(my_gads[LIST_GAD],win,NULL,GTLV_Selected, &selectedline);
if ((selectedline == ((ULONG)~0)) || (!success))
n=NULL;
else
for (n = list->lh_Head; selectedline; selectedline--)
n = n->ln_Succ;
RemoveGList(win,glist,-1);
}
FreeGadgets(glist);
CloseWindow(win);
} /* End of if (OpenWindowTags()) */
FreeVisualInfo(vi);
}
UnlockPubScreen(NULL,scr);
}
return(n);
}
struct Gadget *createChooseGroupGadgets(struct Gadget **glistptr, void *vi, struct Window *win, struct Gadget *my_gads[], struct List *list)
{
struct NewGadget ng;
struct Gadget *gad;
ULONG buttonwidth,maxbuttonwidth;
ULONG oktextwidth,canceltextwidth;
#define OUTSIDEBORDER 10
#define GADTEXTBORDERSUM 6
gad = CreateContext(glistptr);
ng.ng_LeftEdge = win->BorderLeft+OUTSIDEBORDER;
ng.ng_TopEdge = win->BorderTop+OUTSIDEBORDER;
ng.ng_Width = win->Width - win->BorderRight-win->BorderLeft-(2 * OUTSIDEBORDER);
ng.ng_Height = win->Height-win->BorderTop-OUTSIDEBORDER-8-win->WScreen->Font->ta_YSize - GADTEXTBORDERSUM - 4 - win->BorderBottom;
ng.ng_GadgetText = NULL;
ng.ng_TextAttr = win->WScreen->Font;
ng.ng_VisualInfo = vi;
ng.ng_GadgetID = LIST_GAD;
ng.ng_Flags = 0;
my_gads[LIST_GAD] = gad = CreateGadget(LISTVIEW_KIND,gad,&ng,
GTLV_Labels,list,
GTLV_ShowSelected,0,
LAYOUTA_Spacing,2,
TAG_DONE);
/* Determine the optimal width of the Ok and Cancel gadgets */
canceltextwidth = TextLength(&win->WScreen->RastPort,GetString(STRCancel),strlen(GetString(STRCancel)));
oktextwidth = TextLength(&win->WScreen->RastPort,GetString(STROk),strlen(GetString(STROk)));
maxbuttonwidth = 2 * max(canceltextwidth,oktextwidth);
buttonwidth = min(maxbuttonwidth , ((win->Width - win->BorderLeft - win->BorderRight- (OUTSIDEBORDER*2))/2)-8);
ng.ng_TopEdge = win->Height - (win->WScreen->Font->ta_YSize + GADTEXTBORDERSUM + 4 + win->BorderBottom);
ng.ng_Width = buttonwidth;
ng.ng_Height = win->WScreen->Font->ta_YSize + GADTEXTBORDERSUM;
ng.ng_GadgetText = GetString(STROk);
ng.ng_GadgetID = SAVE_GAD;
my_gads[SAVE_GAD] = gad = CreateGadget(BUTTON_KIND,gad,&ng,TAG_DONE);
ng.ng_LeftEdge = win->Width-win->BorderRight - OUTSIDEBORDER-buttonwidth;
ng.ng_GadgetText = GetString(STRCancel);
ng.ng_GadgetID = CANCEL_GAD;
my_gads[CANCEL_GAD] = gad = CreateGadget(BUTTON_KIND,gad,&ng,TAG_DONE);
return(gad);
}