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xenocara/app/fvwm/extras/FvwmConfig/WinBase.C

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#include "config.h"
#include <iostream.h>
#include <stdlib.h>
#include <math.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xresource.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>
#include "WinBase.h"
char *def_geom_string = NULL;
char *def_fg_string = DEFAULT_FORECOLOR;
char *def_bg_string = DEFAULT_BACKCOLOR;
char *def_font = DEFAULT_FONT;
char *def_bw = DEFAULT_BEVEL;
char *def_resname = "XThing";
char *def_display = NULL;
char **orig_argv = NULL;
int orig_argc = 0;
/************************************************************************
* ReapChildren - wait() for all dead child processes
************************************************************************/
#include <sys/wait.h>
#ifdef HAVE_WAITPID
#define ReapChildren() while ((waitpid(-1, NULL, WNOHANG)) > 0);
#else
#define ReapChildren() while ((wait3(NULL, WNOHANG, NULL)) > 0);
#endif
int GetFdWidth(void)
{
#ifdef HAVE_SYSCONF
return sysconf(_SC_OPEN_MAX);
#else
return getdtablesize();
#endif
}
int My_XNextEvent(Display *dpy, XEvent *event);
static int MyXAllocColor(Display *dpy,Colormap cmap,int screen, XColor *color);
/**************************************************************************
*
* Standard options
*
*************************************************************************/
struct res_list
{
char **dataptr;
char *keyword;
};
struct res_list string_resource_list[] =
{
{&def_geom_string, "geometry"},
{&def_geom_string, "geom"},
{&def_fg_string, "foreground"},
{&def_fg_string, "fg"},
{&def_bg_string, "background"},
{&def_bg_string, "bg"},
{&def_font, "font"},
{&def_bw, "bevelwidth"},
{&def_bw, "bw"},
{0, NULL}
};
/***************************************************************************
*
* Declarations for static members of WinBase
*
***************************************************************************/
Display *WinBase::dpy = 0;
Window WinBase::Root = None;
int WinBase::Screen;
GC WinBase::DefaultReliefGC;
GC WinBase::DefaultShadowGC;
GC WinBase::DefaultForeGC;
XFontStruct *WinBase::DefaultFont;
Pixel WinBase::DefaultBackColor;
Pixel WinBase::DefaultReliefColor;
Pixel WinBase::DefaultShadowColor;
Pixel WinBase::DefaultForeColor;
Colormap WinBase::cmap;
static Atom wm_del_win;
static int fd_width;
static int x_fd;
struct iodesc
{
int fd;
void (*func)(int);
};
struct iodesc *wininputdesc;
struct iodesc *winoutputdesc;
static int wininputcount;
static int winoutputcount;
void WinInitialize(char **argv, int argc)
{
int i = 0,j,done;
char *tmp;
orig_argv = argv;
orig_argc = argc;
for(i=1;i<argc;i++)
{
if(strcmp(argv[i],"-display")==0)
def_display = argv[i+1];
}
WinBase::dpy = XOpenDisplay(def_display);
if(WinBase::dpy == 0)
{
cerr <<"Can't open display\n";
exit(-1);
}
fd_width = GetFdWidth();
wininputdesc = new struct iodesc[fd_width];
winoutputdesc = new struct iodesc[fd_width];
wininputcount = 0;
winoutputcount = 0;
for(i=0;i<fd_width;i++)
{
wininputdesc[i].fd = -1;
winoutputdesc[i].fd = -1;
}
x_fd = XConnectionNumber(WinBase::dpy);
if(argv[0] !=0)
def_resname = argv[0];
/* Check for defaults in .Xdefaults. */
i=0;
while(string_resource_list[i].keyword != NULL)
{
if((tmp = XGetDefault(WinBase::dpy,def_resname,
string_resource_list[i].keyword)) != (char *)0)
{
*string_resource_list[i].dataptr = tmp;
}
i++;
}
/* Check for command line options */
for(i=1;i<argc;i++)
{
if(argv[i][0] == '-')
{
j=0;
done = 0;
while((string_resource_list[j].keyword != NULL)&&(!done))
{
if(strcmp(&argv[i][1],string_resource_list[j].keyword)==0)
{
*string_resource_list[j].dataptr = &argv[i+1][0];
i++;
done = 1;
}
j++;
}
}
}
}
int WinAddInput(int fd, void (*readfunc)(int))
{
if(wininputcount < fd_width)
{
wininputdesc[wininputcount].func = readfunc;
wininputdesc[wininputcount].fd = fd;
wininputcount++;
return 0;
}
else
return 1;
}
int WinAddOutput(int fd, void (*writefunc)(int))
{
if(winoutputcount < fd_width)
{
winoutputdesc[winoutputcount].func = writefunc;
winoutputdesc[winoutputcount].fd = fd;
winoutputcount++;
return 0;
}
else
return 1;
}
WinBase::WinBase(WinBase* ParentW, int width,int height,int x_loc, int y_loc)
{
Window pwindow;
XGCValues gcv;
XSetWindowAttributes attributes; /* attributes for creating window */
unsigned long mask;
int create_defaults = 0;
Parent = ParentW;
if(Root == None)
{
/* This is the first window opened. */
create_defaults = 1;
/* Open X connection */
if(dpy == 0)
{
dpy = XOpenDisplay(def_display);
if(dpy == 0)
{
cerr <<"Can't open display\n";
if(def_display != NULL)
cerr <<def_display;
cerr <<"\n";
exit(-1);
}
}
Screen = DefaultScreen(dpy);
Root = RootWindow(dpy,Screen);
}
if(create_defaults)
{
cmap = DefaultColormap(dpy,Screen);
DefaultBackColor = GetColor(def_bg_string,dpy,cmap,Screen);
GetColor("black",dpy,cmap,Screen);
GetColor("white",dpy,cmap,Screen);
if(DefaultBackColor == 0xffffffff)
DefaultBackColor = WhitePixel(dpy,Screen);
DefaultReliefColor = GetHilite(DefaultBackColor,dpy,Screen, cmap);
DefaultShadowColor = GetShadow(DefaultBackColor,dpy,Screen, cmap);
DefaultForeColor = GetColor(def_fg_string,dpy,cmap,Screen);
if(DefaultForeColor == 0xffffffff)
DefaultForeColor = BlackPixel(dpy,Screen);
}
if(Parent == NULL)
pwindow = Root;
else
pwindow = Parent->win;
x = x_loc;
y = y_loc;
w = width;
h = height;
if(Parent == NULL)
{
BackColor = DefaultBackColor;
ForeColor = DefaultForeColor;
ReliefColor = DefaultReliefColor;
ShadowColor = DefaultShadowColor;
bw = atoi(def_bw);
}
else
{
BackColor = Parent->BackColor;
ForeColor = Parent->ForeColor;
ReliefColor = Parent->ReliefColor;
ShadowColor = Parent->ShadowColor;
bw = Parent->bw;
}
popped_out = 1;
name_set = 0;
icon_name_set = 0;
CloseWindowAction = NULL;
mask = CWBackPixel | CWEventMask;
attributes.background_pixel = BackColor;
attributes.event_mask =
ButtonPressMask|ButtonReleaseMask|ExposureMask|KeyPressMask|
StructureNotifyMask;
win = XCreateWindow(dpy,pwindow,x_loc,y_loc,width,height,0,
CopyFromParent,InputOutput,CopyFromParent,
mask,&attributes);
if(create_defaults)
{
DefaultFont = XLoadQueryFont(dpy, def_font);
if(DefaultFont == NULL)
{
cerr <<"Can't load font "<<def_font<<"\n";
DefaultFont = XLoadQueryFont(dpy, "fixed");
}
if(DefaultFont == NULL)
{
cerr <<"Giving up\n";
exit(1);
}
mask = GCFunction|GCPlaneMask|GCGraphicsExposures|GCLineWidth|
GCForeground|GCBackground| GCFont;
gcv.background = DefaultBackColor;
gcv.line_width = 0;
gcv.function = GXcopy;
gcv.font = DefaultFont->fid;
gcv.plane_mask = AllPlanes;
gcv.graphics_exposures = False;
gcv.foreground = DefaultReliefColor;
DefaultReliefGC = XCreateGC(dpy,win,mask,&gcv);
gcv.foreground = DefaultShadowColor;
DefaultShadowGC = XCreateGC(dpy,win,mask,&gcv);
gcv.foreground = DefaultForeColor;
DefaultForeGC = XCreateGC(dpy,win,mask,&gcv);
}
if(Parent == NULL)
{
XClassHint classhints;
XWMHints wmhints;
XSizeHints normal_hints;
XTextProperty name;
main_window = this;
ReliefGC = DefaultReliefGC;
ShadowGC = DefaultShadowGC;
ForeGC = DefaultForeGC;
Font = DefaultFont;
normal_hints.flags = PWinGravity|PMinSize|PResizeInc;
normal_hints.width_inc = 1;
normal_hints.height_inc = 1;
normal_hints.min_width = 1;
normal_hints.min_height = 1;
normal_hints.win_gravity = NorthWestGravity;
wmhints.input = True;
wmhints.initial_state = NormalState;
wmhints.flags = InputHint|StateHint;
classhints.res_name = def_resname;
classhints.res_class = def_resname;
if (XStringListToTextProperty(&def_resname,1,&name) == 0)
{
cerr <<"cannot allocate window name";
return;
}
XSetWMProperties(dpy,win, &name, &name,orig_argv,
orig_argc, &normal_hints,&wmhints,&classhints);
}
else
{
main_window = Parent->main_window;
mask = GCFunction|GCPlaneMask|GCGraphicsExposures|GCLineWidth|
GCForeground|GCBackground| GCFont;
if(Parent->ReliefGC == DefaultReliefGC)
ReliefGC = DefaultReliefGC;
else
{
XGetGCValues(dpy,Parent->ReliefGC,mask,&gcv);
ReliefGC = XCreateGC(dpy,win,mask,&gcv);
}
if(Parent->ShadowGC == DefaultShadowGC)
ShadowGC = DefaultShadowGC;
else
{
XGetGCValues(dpy,Parent->ShadowGC,mask,&gcv);
ShadowGC = XCreateGC(dpy,win,mask,&gcv);
}
if(Parent->ForeGC == DefaultForeGC)
ForeGC = DefaultForeGC;
else
{
XGetGCValues(dpy,Parent->ForeGC,mask,&gcv);
ForeGC = XCreateGC(dpy,win,mask,&gcv);
}
Font = Parent->DefaultFont;
}
RegisterWindow(win,this);
if(wm_del_win == 0)
wm_del_win = XInternAtom(dpy,"WM_DELETE_WINDOW",False);
XSetWMProtocols(dpy,win,&wm_del_win,1);
}
WinBase::~WinBase()
{
XDestroyWindow(dpy,win);
UnregisterWindow(this);
}
void WinBase::Map()
{
XMapSubwindows(dpy,win);
XMapRaised(dpy,win);
XSync(dpy,0);
}
void WinBase::RedrawWindow(int clear)
{
if(clear)
XClearWindow(dpy,win);
DrawCallback(NULL);
}
void WinBase::DrawCallback(XEvent *event)
{
int i;
GC gc1;
GC gc2;
if((!event)||(event->xexpose.count == 0))
{
if(popped_out)
{
gc1 = ShadowGC;
gc2 = ReliefGC;
}
else
{
gc2 = ShadowGC;
gc1 = ReliefGC;
}
for(i=0;i<bw;i++)
{
XDrawLine(dpy,win,gc1,i,h-1-i,w-1-i,h-1-i);
XDrawLine(dpy,win,gc1,w-1-i,i,w-1-i,h-1-i);
XDrawLine(dpy,win,gc2,i,i,w-1-i,i);
XDrawLine(dpy,win,gc2,i,i,i,h-1-i);
}
}
}
void WinBase::BPressCallback(XEvent *event)
{
}
void WinBase::KPressCallback(XEvent *event)
{
}
void WinBase::BReleaseCallback(XEvent *event)
{
}
void WinBase::ResizeCallback(int new_w, int new_h, XEvent *event)
{
w = new_w;
h = new_h;
RedrawWindow(1);
}
void WinBase::MotionCallback(XEvent *event)
{
}
void WinBase::SetSize(int new_w, int new_h)
{
XResizeWindow(dpy,win,new_w,new_h);
w = new_w;
h = new_h;
}
void WinBase::SetPosition(int new_x, int new_y)
{
XMoveWindow(dpy,win,new_x,new_y);
x = new_x;
y = new_y;
}
void WinBase::SetGeometry(int new_x, int new_y, int new_w, int new_h,
int min_width, int min_height,
int max_width, int max_height,
int resize_inc_w, int resize_inc_h,
int base_width, int base_height,
int gravity)
{
XSizeHints normal_hints;
normal_hints.flags = USPosition|USSize|
PMinSize|PMaxSize|PResizeInc|PBaseSize|PWinGravity;
normal_hints.x = new_x;
normal_hints.y = new_y;
normal_hints.width = new_w;
normal_hints.height = new_h;
normal_hints.min_width = min_width;
normal_hints.min_height = min_height;
normal_hints.max_width = max_width;
normal_hints.max_height = max_height;
normal_hints.width_inc = resize_inc_w;
normal_hints.height_inc = resize_inc_h;
normal_hints.base_width = base_width;
normal_hints.base_height = base_height;
normal_hints.win_gravity = gravity;
XSetWMNormalHints(dpy,win, &normal_hints);
SetPosition(new_x,new_y);
SetSize(new_w, new_h);
}
void WinBase::SetCloseWindowAction(void (*NewAction)(WinBase *which))
{
CloseWindowAction = NewAction;
}
void WinBase::SetBackColor(char *newcolor = DEFAULT_BACKCOLOR)
{
XGCValues gcv;
XSetWindowAttributes attributes; /* attributes for creating window */
unsigned long mask;
BackColor = GetColor(newcolor,dpy,cmap,Screen);
if(BackColor == 0xffffffff)
BackColor = DefaultBackColor;
ReliefColor = GetHilite(BackColor,dpy,Screen, cmap);
ShadowColor = GetShadow(BackColor,dpy,Screen, cmap);
if(ForeGC != DefaultForeGC)
{
XFreeGC(dpy,ForeGC);
}
if(ShadowGC != DefaultShadowGC)
{
XFreeGC(dpy,ShadowGC);
}
if(ReliefGC != DefaultReliefGC)
{
XFreeGC(dpy,ReliefGC);
}
mask = GCFunction|GCPlaneMask|GCGraphicsExposures|GCLineWidth|
GCForeground|GCBackground|GCFont;
gcv.background = BackColor;
gcv.line_width = 0;
gcv.function = GXcopy;
gcv.plane_mask = AllPlanes;
gcv.font = Font->fid;
gcv.graphics_exposures = False;
gcv.foreground = ReliefColor;
ReliefGC = XCreateGC(dpy,win,mask,&gcv);
gcv.foreground = ShadowColor;
ShadowGC = XCreateGC(dpy,win,mask,&gcv);
gcv.foreground = ForeColor;
ForeGC = XCreateGC(dpy,win,mask,&gcv);
mask = CWBackPixel;
attributes.background_pixel = BackColor;
XChangeWindowAttributes(dpy,win, mask,&attributes);
XClearWindow(dpy,win);
}
void WinBase::SetBevelWidth(int new_bw)
{
bw = new_bw;
}
void WinBase::PushIn()
{
popped_out = 0;
}
void WinBase::PopOut()
{
popped_out = 1;
}
void WinBase::MakeTransient(WinBase *TransientFor)
{
XSetTransientForHint(dpy,win,TransientFor->win);
}
void WinBase::SetForeColor(char *newcolor = DEFAULT_FORECOLOR)
{
XGCValues gcv;
unsigned long mask;
ForeColor = GetColor(newcolor,dpy,cmap,Screen);
if(ForeColor == 0xffffffff)
ForeColor = DefaultForeColor;
if(ForeGC!= DefaultForeGC)
XFreeGC(dpy,ShadowGC);
mask = GCFunction|GCPlaneMask|GCGraphicsExposures|GCLineWidth|
GCForeground|GCBackground|GCFont;
gcv.background = BackColor;
gcv.line_width = 0;
gcv.function = GXcopy;
gcv.plane_mask = AllPlanes;
gcv.graphics_exposures = False;
gcv.foreground = DefaultForeColor;
gcv.font = Font->fid;
ForeGC = XCreateGC(dpy,win,mask,&gcv);
}
void WinBase::SetFont(char *newfont=DEFAULT_FONT)
{
XGCValues gcv;
unsigned long mask;
Font = XLoadQueryFont(dpy, newfont);
if(Font == NULL)
Font = DefaultFont;
if(ForeGC != DefaultForeGC)
{
XFreeGC(dpy,ForeGC);
}
if(ShadowGC != DefaultShadowGC)
{
XFreeGC(dpy,ShadowGC);
}
if(ReliefGC != DefaultReliefGC)
{
XFreeGC(dpy,ReliefGC);
}
mask = GCFunction|GCPlaneMask|GCGraphicsExposures|GCLineWidth|
GCForeground|GCBackground|GCFont;
gcv.background = BackColor;
gcv.line_width = 0;
gcv.function = GXcopy;
gcv.plane_mask = AllPlanes;
gcv.font = Font->fid;
gcv.graphics_exposures = False;
gcv.foreground = ReliefColor;
ReliefGC = XCreateGC(dpy,win,mask,&gcv);
gcv.foreground = ShadowColor;
ShadowGC = XCreateGC(dpy,win,mask,&gcv);
gcv.foreground = ForeColor;
ForeGC = XCreateGC(dpy,win,mask,&gcv);
}
void WinBase::SetWindowName(char *new_name)
{
XTextProperty name;
if (XStringListToTextProperty(&new_name,1,&name) == 0)
{
cerr <<"cannot allocate window name";
return;
}
XSetWMName(dpy,win,&name);
XFree(name.value);
if(icon_name_set == 0)
{
SetIconName(new_name);
icon_name_set = 0;
}
name_set = 1;
}
void WinBase::SetIconName(char *new_name)
{
XTextProperty name;
if (XStringListToTextProperty(&new_name,1,&name) == 0)
{
cerr<<"cannot allocate icon name";
return;
}
XSetWMIconName(dpy,win,&name);
XFree(name.value);
icon_name_set = 1;
}
void WinBase::SetWindowClass(char *resclass)
{
XClassHint class_hint;
class_hint.res_name = def_resname;
class_hint.res_class = resclass;
XSetClassHint(dpy,win,&class_hint);
}
/****************************************************************************
*
* This routine computes the shadow color from the background color
*
****************************************************************************/
Pixel GetShadow(Pixel background, Display *dpy, int Screen, Colormap cmap)
{
XColor bg_color, white_p;
bg_color.pixel = background;
XQueryColor(dpy,cmap,&bg_color);
white_p.pixel = WhitePixel(dpy,Screen);
XQueryColor(dpy,cmap,&white_p);
if((bg_color.red < white_p.red/5)&&
(bg_color.green < white_p.green/5)&&
(bg_color.blue < white_p.blue/5))
{
bg_color.red = white_p.red/4;
bg_color.green = white_p.green/4;
bg_color.blue = white_p.blue/4;
}
else
{
bg_color.red = (bg_color.red*50)/100;
bg_color.green = (bg_color.green*50)/100;
bg_color.blue = (bg_color.blue*50)/100;
}
if(!MyXAllocColor(dpy,cmap,Screen,&bg_color))
{
cout <<"Can't allocate shadow color\n";
bg_color.pixel = BlackPixel(dpy,Screen);
}
return bg_color.pixel;
}
/****************************************************************************
*
* This routine computes the hilight color from the background color
*
****************************************************************************/
Pixel GetHilite(Pixel background, Display *dpy, int Screen, Colormap cmap)
{
XColor bg_color, white_p;
int r,g,b;
bg_color.pixel = background;
XQueryColor(dpy,cmap,&bg_color);
white_p.pixel = WhitePixel(dpy,Screen);
XQueryColor(dpy,cmap,&white_p);
if((bg_color.red > 2*white_p.red/3)&&
(bg_color.green > 2*white_p.green/3)&&
(bg_color.blue > 2*white_p.blue/3))
{
r = white_p.red*3/4;
g = white_p.green*3/4;
b = white_p.blue*3/4;
}
else
{
r = bg_color.red + (white_p.red - bg_color.red)/2;
g = bg_color.green + (white_p.green - bg_color.green)/2;
b = bg_color.blue + (white_p.blue - bg_color.blue)/2;
}
if(r > white_p.red)
bg_color.red = white_p.red;
else
bg_color.red = r;
if(g > white_p.green)
bg_color.green = white_p.green;
else
bg_color.green = g;
if(b > white_p.blue)
bg_color.blue = white_p.blue;
else
bg_color.blue = b;
if(!MyXAllocColor(dpy,cmap,Screen,&bg_color))
{
cout <<"Can't allocate highlight color\n";
bg_color.pixel = WhitePixel(dpy,Screen);;
}
return bg_color.pixel;
}
/****************************************************************************
*
* Loads a single color
*
****************************************************************************/
Pixel GetColor(char *name, Display *dpy, Colormap cmap, int Screen)
{
XColor color;
color.pixel = 0xffffffff;
if (!XParseColor (dpy, cmap, name, &color))
{
cerr<< "Can't parse color "<<name<<"\n";
}
else if(!MyXAllocColor (dpy, cmap, Screen,&color))
{
cerr<< "Can't allocate color "<<name<<"\n";
}
return color.pixel;
}
static int MyXAllocColor(Display *dpy,Colormap cmap,int screen, XColor *color)
{
XColor *allcolors;
int ncolors,i;
int bestpixel = 0;
float rdist, bdist, gdist, distance,bestdistance = 2e10;
if(XAllocColor (dpy, cmap, color))
return 1;
ncolors = DisplayCells(dpy,screen);
allcolors = new XColor[ncolors];
for(i=0;i<ncolors;i++)
allcolors[i].pixel = i;
XQueryColors(dpy,cmap,allcolors,ncolors);
for(i=0;i<ncolors;i++)
{
rdist = color->red- allcolors[i].red;
bdist = color->blue- allcolors[i].blue;
gdist = color->green- allcolors[i].green;
distance = rdist*rdist+bdist*bdist+gdist*gdist;
if(distance < bestdistance)
{
bestdistance = distance;
bestpixel = i;
}
}
color->red = allcolors[bestpixel].red;
color->green = allcolors[bestpixel].green;
color->blue = allcolors[bestpixel].blue;
if(XAllocColor (dpy, cmap, color))
return 1;
else
return 0;
}
struct registered
{
Window win;
WinBase *thing;
int occupied;
};
static struct registered thinglist[100];
void RegisterWindow(Window win, WinBase *a)
{
static int firsttime = 1;
int i;
if(firsttime)
{
firsttime = 0;
for(i=0;i<100;i++)
{
thinglist[i].occupied = 0;
}
}
for(i=0;i<100;i++)
{
if(thinglist[i].occupied == 0)
{
thinglist[i].occupied = 1;
thinglist[i].win = win;
thinglist[i].thing = a;
return;
}
}
cout <<"Too many windows\n";
exit(-1);
}
void UnregisterWindow(WinBase *thing)
{
int i;
for(i=0;i<100;i++)
{
if((thinglist[i].occupied ==1)&&
(thinglist[i].thing == thing))
{
thinglist[i].occupied = 0;
return;
}
}
}
void WinLoop()
{
XEvent event;
int i;
Display *dpy;
i=0;
while((thinglist[i].occupied == 0)&&(i<100))
{
i++;
}
if(i<100)
dpy = thinglist[i].thing->dpy;
else
return;
while(!My_XNextEvent(dpy,&event));
for(i=0;i<100;i++)
{
if((thinglist[i].occupied)&&(event.xany.window == thinglist[i].win))
{
switch(event.type)
{
case Expose:
case GraphicsExpose:
thinglist[i].thing->DrawCallback(&event);
break;
case ButtonPress:
thinglist[i].thing->BPressCallback(&event);
break;
case ButtonRelease:
thinglist[i].thing->BReleaseCallback(&event);
break;
case KeyPress:
thinglist[i].thing->KPressCallback(&event);
break;
case ConfigureNotify:
if((thinglist[i].thing->w!= event.xconfigure.width)||
(thinglist[i].thing->h!= event.xconfigure.height))
thinglist[i].thing->ResizeCallback(event.xconfigure.width,
event.xconfigure.height,&event);
break;
case ClientMessage:
if (event.xclient.format == 32 && event.xclient.data.l[0] == wm_del_win)
{
if(thinglist[i].thing->CloseWindowAction == NULL)
exit(0);
else
thinglist[i].thing->CloseWindowAction(thinglist[i].thing);
}
break;
case MotionNotify:
thinglist[i].thing->MotionCallback(&event);
break;
default:
break;
}
return;
}
}
}
/***************************************************************************
*
* Waits for next X event, or for an auto-raise timeout.
*
****************************************************************************/
int My_XNextEvent(Display *dpy, XEvent *event)
{
fd_set in_fdset,out_fdset;
Window child;
Window targetWindow;
int i,count;
int retval;
FD_ZERO(&in_fdset);
FD_SET(x_fd,&in_fdset);
FD_ZERO(&out_fdset);
for(i=0; i<wininputcount; i++)
{
FD_SET(wininputdesc[i].fd, &in_fdset);
}
for(i=0; i<winoutputcount; i++)
{
FD_SET(winoutputdesc[i].fd, &out_fdset);
}
/* Do this IMMEDIATELY prior to select, to prevent any nasty
* queued up X events from just hanging around waiting to be
* flushed */
XFlush(dpy);
if(XPending(dpy))
{
XNextEvent(dpy,event);
return 1;
}
/* Zap all those zombies! */
/* If we get to here, then there are no X events waiting to be processed.
* Just take a moment to check for dead children. */
ReapChildren();
XFlush(dpy);
#ifdef __hpux
retval=select(fd_width,(int *)&in_fdset, (int *)&out_fdset,0, NULL);
#else
retval=select(fd_width,&in_fdset, &out_fdset, 0, NULL);
#endif
/* Check for module input. */
for(i=0;i<fd_width;i++)
{
if((wininputdesc[i].fd >= 0)&&(FD_ISSET(wininputdesc[i].fd, &in_fdset)))
{
wininputdesc[i].func(wininputdesc[i].fd);
}
if((winoutputdesc[i].fd>=0)&&(FD_ISSET(winoutputdesc[i].fd, &out_fdset)))
{
winoutputdesc[i].func(winoutputdesc[i].fd);
}
}
return 0;
}
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