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Win.cpp
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/*-----------------------------------------------------------------------------
Win.cpp
2006 Shamus Young
-------------------------------------------------------------------------------
Create the main window and make it go.
-----------------------------------------------------------------------------*/
#define MOUSE_MOVEMENT 0.5f
#ifdef WINDOWS
#include <windows.h>
#else
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
#include <GL/glx.h>
#include <sys/select.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#endif
#include <math.h>
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
#include <time.h>
#ifdef WINDOWS
#include <scrnsave.h>
#endif
#include "Camera.h"
#include "Car.h"
#include "Entity.h"
#include "glTypes.h"
#include "Ini.h"
#include "Macro.h"
#include "Random.h"
#include "Render.h"
#include "Texture.h"
#include "Win.h"
#include "World.h"
#include "Visible.h"
#ifdef WINDOWS
#pragma comment (lib, "opengl32.lib")
#pragma comment (lib, "winmm.lib")
#pragma comment (lib, "glu32.lib")
#if SCREENSAVER
#pragma comment (lib, "scrnsave.lib")
#endif
#endif
#ifdef WINDOWS
static HWND hwnd;
static HINSTANCE module;
#else
struct POINT {
int x;
int y;
};
static Display *dpy;
static XVisualInfo *vis;
static Window wnd;
static Atom del_atom;
static Cursor blank;
static Atom wm_state;
static Atom fullscreen;
static bool frame_delay;
#define blank_width 8
#define blank_height 8
#define blank_x_hot 0
#define blank_y_hot 0
static char blank_bits[] = {
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00
}; // mask is the same bit pattern
static void WinHandleEvent(XEvent evt);
#endif
static int width;
static int height;
static int half_width;
static int half_height;
static bool lmb;
static bool rmb;
static bool mouse_forced;
static POINT select_pos;
static POINT mouse_pos;
static bool quit;
#ifdef WINDOWS
static HINSTANCE instance;
LONG WINAPI ScreenSaverProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
#else
Display *WinGetDisplay()
{
return dpy;
}
XVisualInfo *WinGetVisual()
{
return vis;
}
Window WinGetWindow()
{
return wnd;
}
#endif /* !WINDOWS */
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
static void CenterCursor ()
{
#ifdef WINDOWS
int center_x;
int center_y;
RECT rect;
SetCursor (NULL);
mouse_forced = true;
GetWindowRect (hwnd, &rect);
center_x = rect.left + (rect.right - rect.left) / 2;
center_y = rect.top + (rect.bottom - rect.top) / 2;
SetCursorPos (center_x, center_y);
#else
XWarpPointer(dpy, None, wnd, 0, 0, 0, 0, width / 2, height / 2);
XFlush(dpy);
#endif
}
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
static void MoveCursor (int x, int y)
{
#ifdef WINDOWS
int center_x;
int center_y;
RECT rect;
SetCursor (NULL);
mouse_forced = true;
GetWindowRect (hwnd, &rect);
center_x = rect.left + x;
center_y = rect.top + y;
SetCursorPos (center_x, center_y);
#else
XWarpPointer(dpy, None, wnd, 0, 0, 0, 0, x, y);
XFlush(dpy);
#endif
}
/*-----------------------------------------------------------------------------
n o t e
-----------------------------------------------------------------------------*/
#ifdef WINDOWS
void WinPopup (char* message, ...)
{
va_list marker;
char buf[1024];
va_start (marker, message);
vsprintf (buf, message, marker);
va_end (marker);
MessageBox (NULL, buf, APP_TITLE, MB_ICONSTOP | MB_OK |
MB_TASKMODAL);
}
#endif
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
int WinWidth (void)
{
return width;
}
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
void WinMousePosition (int* x, int* y)
{
*x = select_pos.x;
*y = select_pos.y;
}
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
int WinHeight (void)
{
return height;
}
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
void WinTerm (void)
{
#ifdef WINDOWS
#if !SCREENAVER
DestroyWindow (hwnd);
#endif
#else
XFreeCursor(dpy, blank);
XDestroyWindow(dpy, wnd);
XFree(vis);
XCloseDisplay(dpy);
#endif
}
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
#ifdef WINDOWS
HWND WinHwnd (void)
{
return hwnd;
}
#endif
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
void AppQuit ()
{
quit = true;
}
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
void AppUpdate ()
{
CameraUpdate ();
EntityUpdate ();
WorldUpdate ();
TextureUpdate ();
VisibleUpdate ();
CarUpdate ();
RenderUpdate ();
}
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
void AppInit (void)
{
RandomInit (time (NULL));
CameraInit ();
RenderInit ();
TextureInit ();
WorldInit ();
}
/*-----------------------------------------------------------------------------
W i n M a i n
-----------------------------------------------------------------------------*/
void AppTerm (void)
{
TextureTerm ();
WorldTerm ();
RenderTerm ();
CameraTerm ();
WinTerm ();
}
#ifdef WINDOWS
/*-----------------------------------------------------------------------------
W i n M a i n
-----------------------------------------------------------------------------*/
#if !SCREENSAVER
int PASCAL WinMain (HINSTANCE instance_in, HINSTANCE previous_instance,
LPSTR command_line, int show_style)
{
MSG msg;
instance = instance_in;
WinInit ();
AppInit ();
while (!quit) {
if (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE)) {
if (msg.message == WM_QUIT)
quit = true;
else {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
} else
AppUpdate ();
}
AppTerm ();
return 0;
}
#else
BOOL WINAPI ScreenSaverConfigureDialog (HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam) { return FALSE; }
BOOL WINAPI RegisterDialogClasses(HANDLE hInst) { return TRUE; }
#endif
LONG WINAPI ScreenSaverProc(HWND hwnd_in,UINT message,WPARAM wparam,LPARAM lparam)
{
RECT r;
int key;
float delta_x, delta_y;
POINT p;
// Handles screen saver messages
switch(message)
{
case WM_SIZE:
width = LOWORD(lparam); // width of client area
height = HIWORD(lparam); // height of client area
if (wparam == SIZE_MAXIMIZED) {
IniIntSet ("WindowMaximized", 1);
} else {
IniIntSet ("WindowWidth", width);
IniIntSet ("WindowHeight", height);
IniIntSet ("WindowMaximized", 0);
}
RenderResize ();
break;
case WM_KEYDOWN:
key = (int) wparam;
if (key == 'R')
WorldReset ();
else if (key == 'W')
RenderWireframeToggle ();
else if (key == 'E')
RenderEffectCycle ();
else if (key == 'L')
RenderLetterboxToggle ();
else if (key == 'F')
RenderFPSToggle ();
else if (key == 'G')
RenderFogToggle ();
else if (key == 'T')
RenderFlatToggle ();
else if (key == VK_F1)
RenderHelpToggle ();
else if (key == VK_ESCAPE)
break;
else if (!SCREENSAVER) {
//Dev mode keys
if (key == 'C')
CameraAutoToggle ();
if (key == 'B')
CameraNextBehavior ();
if (key == VK_F5)
CameraReset ();
if (key == VK_UP)
CameraMedial (1.0f);
if (key == VK_DOWN)
CameraMedial (-1.0f);
if (key == VK_LEFT)
CameraLateral (1.0f);
if (key == VK_RIGHT)
CameraLateral (-1.0f);
if (key == VK_PRIOR)
CameraVertical (1.0f);
if (key == VK_NEXT)
CameraVertical (-1.0f);
if (key == VK_F5)
CameraReset ();
return 0;
} else
break;
return 0;
case WM_MOVE:
GetClientRect (hwnd, &r);
height = r.bottom - r.top;
width = r.right - r.left;
IniIntSet ("WindowX", r.left);
IniIntSet ("WindowY", r.top);
IniIntSet ("WindowWidth", width);
IniIntSet ("WindowHeight", height);
half_width = width / 2;
half_height = height / 2;
return 0;
case WM_LBUTTONDOWN:
lmb = true;
SetCapture (hwnd);
break;
case WM_RBUTTONDOWN:
rmb = true;
SetCapture (hwnd);
break;
case WM_LBUTTONUP:
lmb = false;
if (!rmb) {
ReleaseCapture ();
MoveCursor (select_pos.x, select_pos.y);
}
break;
case WM_RBUTTONUP:
rmb = false;
if (!lmb) {
ReleaseCapture ();
MoveCursor (select_pos.x, select_pos.y);
}
break;
case WM_MOUSEMOVE:
p.x = LOWORD(lparam); // horizontal position of cursor
p.y = HIWORD(lparam); // vertical position of cursor
if (p.x < 0 || p.x > width)
break;
if (p.y < 0 || p.y > height)
break;
if (!mouse_forced && !lmb && !rmb) {
select_pos = p;
}
if (mouse_forced) {
mouse_forced = false;
} else if (rmb || lmb) {
CenterCursor ();
delta_x = (float)(mouse_pos.x - p.x) * MOUSE_MOVEMENT;
delta_y = (float)(mouse_pos.y - p.y) * MOUSE_MOVEMENT;
if (rmb && lmb) {
GLvector pos;
CameraPan (delta_x);
pos = CameraPosition ();
pos.y += delta_y;
CameraPositionSet (pos);
} else if (rmb) {
CameraPan (delta_x);
CameraForward (delta_y);
} else if (lmb) {
GLvector angle;
angle = CameraAngle ();
angle.y -= delta_x;
angle.x += delta_y;
CameraAngleSet (angle);
}
}
mouse_pos = p;
break;
case WM_CREATE:
hwnd = hwnd_in;
if (SCREENSAVER)
AppInit ();
SetTimer (hwnd, 1, 7, NULL);
return 0;
case WM_TIMER:
AppUpdate ();
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
#if SCREENSAVER
return DefScreenSaverProc(hwnd_in,message,wparam,lparam);
#else
return DefWindowProc (hwnd_in,message,wparam,lparam);
#endif
}
#else /* !WINDOWS */
/* I would just use timerfd_*(), but that's sadly not very portable. It's only
* fairly recent, too (2.6.25 kernels and newer). So, the old self-pipe trick. */
int pipe_fds[2];
static void handle_alarm(int signum)
{
write(pipe_fds[1], "\0", 1);
}
static void SetupEventLoopSupport(int *x11_fd, int *fd_count,
struct itimerval *tv, struct itimerval *tv0)
{
*x11_fd = ConnectionNumber(dpy);
pipe(pipe_fds);
*fd_count = MAX(*x11_fd, pipe_fds[0]);
tv->it_interval.tv_sec = 0;
tv->it_interval.tv_usec = 16666; /* 60 fps max */
tv->it_value = tv->it_interval;
tv0->it_interval.tv_sec = tv0->it_interval.tv_usec = 0;
tv0->it_value = tv0->it_interval;
signal(SIGALRM, handle_alarm);
frame_delay = true;
}
static void TeardownEventLoopSupport()
{
/* cancel timer first, so it doesn't deliver any more signals */
setitimer(ITIMER_REAL, NULL, NULL);
/* cancel alarm handler second */
signal(SIGALRM, SIG_DFL);
close(pipe_fds[0]);
close(pipe_fds[1]);
}
int main()
{
XEvent report;
struct itimerval tv, tv0;
int x11_fd, fd_count, rv;
fd_set readfds;
char buf[4096];
if(!WinInit())
return 1;
AppInit();
SetupEventLoopSupport(&x11_fd, &fd_count, &tv, &tv0);
/* Well, apparently if you don't call AppUpdate() fast enough during setup,
* the program isn't able to properly build the bloom lighting texture (and
* maybe also other random things). So, give it a separate loop, I suppose. */
while(!quit && !EntityReady()) {
if(XEventsQueued(dpy, QueuedAfterFlush)) {
while(XEventsQueued(dpy, QueuedAfterReading)) {
XNextEvent(dpy, &report);
WinHandleEvent(report);
};
}
AppUpdate();
}
/* Quits should still work from the loading screen. */
if(quit) {
AppTerm();
return 0;
}
/* This sets up the framerate-cap/cpu-usage-limiter alarm. General idea is
* that this alarm fires every so often (see SetupEventLoopSupport() above
* for the FPS, expressed as the timer's period in microseconds). When the
* timer fires, it calls the handle_alarm function above, which writes one
* byte into the anonymous pipe. That wakes up select() (on the read end of
* that anonymous pipe) the next time it gets gets called. (The signal wakes
* up select() too, but there are races if we rely on that.) When select sees
* that its source was the pipe, it skips the X11 stuff, and only then calls
* AppUpdate(). */
setitimer(ITIMER_REAL, &tv, NULL);
while (!quit) {
bool temp_frame_delay = frame_delay;
if(temp_frame_delay) {
FD_ZERO(&readfds);
FD_SET(x11_fd, &readfds);
FD_SET(pipe_fds[0], &readfds);
}
XFlush(dpy);
if(temp_frame_delay)
rv = select(fd_count + 1, &readfds, NULL, NULL, NULL);
else
rv = 0;
if(rv == -1 && errno == EINTR)
continue;
if(rv < 0) {
int save_errno = errno;
std::cerr << "select() returned error: " << strerror(save_errno) << std::endl;
AppTerm();
return 1;
}
if(!temp_frame_delay || FD_ISSET(x11_fd, &readfds)) {
while(XEventsQueued(dpy, QueuedAfterReading)) {
XNextEvent(dpy, &report);
WinHandleEvent(report);
};
}
if(!temp_frame_delay || FD_ISSET(pipe_fds[0], &readfds)) {
if(temp_frame_delay)
read(pipe_fds[0], buf, sizeof(buf));
AppUpdate();
}
if(temp_frame_delay && !frame_delay) {
setitimer(ITIMER_REAL, &tv0, NULL);
} else if(!temp_frame_delay && frame_delay) {
setitimer(ITIMER_REAL, &tv, NULL);
}
}
TeardownEventLoopSupport();
AppTerm();
return 0;
}
#define MOUSE_FUDGE 16
static void WinHandleEvent(XEvent evt)
{
POINT p;
float delta_x, delta_y;
int buttons;
KeySym key;
switch(evt.type) {
case MapNotify:
/* */
break;
case ConfigureNotify: /* size or position changed */
width = evt.xconfigure.width;
height = evt.xconfigure.height;
half_width = width / 2;
half_height = height / 2;
IniIntSet("WindowX", evt.xconfigure.x);
IniIntSet("WindowY", evt.xconfigure.y);
IniIntSet("WindowWidth", width);
IniIntSet("WindowHeight", height);
RenderResize();
break;
case KeyPress:
key = XLookupKeysym(&evt.xkey, 0);
if (key == XK_r)
WorldReset();
else if (key == XK_w)
RenderWireframeToggle ();
else if (key == XK_e)
RenderEffectCycle ();
else if (key == XK_l)
RenderLetterboxToggle ();
else if (key == XK_f)
RenderFPSToggle ();
else if (key == XK_g)
RenderFogToggle ();
else if (key == XK_t)
RenderFlatToggle ();
else if (key == XK_F1)
RenderHelpToggle ();
else if (key == XK_Escape)
AppQuit();
else if (key == XK_d)
frame_delay = !frame_delay;
else if (!SCREENSAVER) {
//Dev mode keys
if (key == XK_c)
CameraAutoToggle ();
if (key == XK_b)
CameraNextBehavior ();
if (key == XK_F5)
CameraReset ();
if (key == XK_Up)
CameraMedial (1.0f);
if (key == XK_Down)
CameraMedial (-1.0f);
if (key == XK_Left)
CameraLateral (1.0f);
if (key == XK_Right)
CameraLateral (-1.0f);
if (key == XK_Prior)
CameraVertical (1.0f);
if (key == XK_Next)
CameraVertical (-1.0f);
} else
break;
case ButtonPress:
if(evt.xbutton.button == Button1)
lmb = true;
else if(evt.xbutton.button == Button3)
rmb = true;
else
break;
if((lmb && !rmb) || (!lmb && rmb))
XGrabPointer(dpy, wnd, False, PointerMotionMask | ButtonMotionMask |
ButtonPressMask | ButtonReleaseMask, GrabModeAsync, GrabModeAsync,
None, blank, evt.xbutton.time);
break;
case ButtonRelease:
if(evt.xbutton.button == Button1)
lmb = false;
else if(evt.xbutton.button == Button3)
rmb = false;
else
break;
if(!lmb && !rmb) {
XUngrabPointer(dpy, evt.xbutton.time);
MoveCursor(select_pos.x, select_pos.y);
/* Don't bother going through the contortions we go through below
* after calling CenterCursor(), since we know that all the mouse
* buttons have been released. The code in MotionNotify that
* manipulates the camera won't run here... */
}
break;
case MotionNotify:
p.x = evt.xmotion.x;
p.y = evt.xmotion.y;
buttons = evt.xmotion.state & (Button1Mask | Button3Mask);
if (!mouse_forced && !buttons) {
select_pos = p;
} else if (mouse_forced) {
mouse_forced = false;
} else /* buttons */ {
delta_x = (float)(mouse_pos.x - p.x) * MOUSE_MOVEMENT;
delta_y = (float)(mouse_pos.y - p.y) * MOUSE_MOVEMENT;
if(buttons == (Button1Mask | Button3Mask)) {
GLvector pos;
CameraPan(delta_x);
pos = CameraPosition();
pos.y += delta_y;
CameraPositionSet(pos);
} else if(buttons == Button3Mask) {
CameraPan(delta_x);
CameraForward(delta_y);
} else if(buttons == Button1Mask) {
GLvector angle = CameraAngle();
angle.y -= delta_x;
angle.x += delta_y;
CameraAngleSet(angle);
}
if((p.x > width - MOUSE_FUDGE) ||
(p.x < MOUSE_FUDGE) ||
(p.y > height - MOUSE_FUDGE) ||
(p.y < MOUSE_FUDGE)) {
CenterCursor();
/* now eat MotionNotify events until we get one with a position
* "close" to what we warped to in CenterCursor()
* yeah, this means we end up stalling the render pipeline,
* and if this never happens, we might overflow the self-pipe
* too. *shrug* if only x11 gave us an indication that a
* given MotionNotify came from an XWarpPointer call... */
while(1) {
// might as well reuse evt
XMaskEvent(dpy, PointerMotionMask, &evt);
if((evt.xmotion.x > half_width - MOUSE_FUDGE) &&
(evt.xmotion.x < half_width + MOUSE_FUDGE) &&
(evt.xmotion.y > half_height - MOUSE_FUDGE) &&
(evt.xmotion.y < half_height + MOUSE_FUDGE)) {
/* reset p, so mouse_pos below gets reset, so we don't
* interpret this giant motion next time through this
* function... */
p.x = evt.xmotion.x;
p.y = evt.xmotion.y;
break;
}
}
}
}
mouse_pos = p;
break;
case ClientMessage:
/* message from another client; here, likely the WM */
if(static_cast<Atom>(evt.xclient.data.l[0]) == del_atom)
AppQuit();
break;
}
}
static Bool WaitForNotify(Display *dpy, XEvent *event, XPointer arg) {
return (event->type == MapNotify) && (event->xmap.window == reinterpret_cast<Window>(arg));
}
#endif /* !WINDOWS */
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
bool WinInit (void)
{
#ifdef WINDOWS
WNDCLASSEX wcex;
int x, y;
int style;
bool max;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC)ScreenSaverProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = instance;
wcex.hIcon = NULL;
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
wcex.lpszMenuName = NULL;
wcex.lpszClassName = APP_TITLE;
wcex.hIconSm = NULL;
if (!RegisterClassEx(&wcex)) {
WinPopup ("Cannot create window class");
return false;
}
x = IniInt ("WindowX");
y = IniInt ("WindowY");
style = WS_TILEDWINDOW;
style |= WS_MAXIMIZE;
width = IniInt ("WindowWidth");
height = IniInt ("WindowHeight");
width = CLAMP (width, 800, 2048);
height = CLAMP (height, 600, 2048);
half_width = width / 2;
half_height = height / 2;
max = IniInt ("WindowMaximized") == 1;
if (!(hwnd = CreateWindowEx (0, APP_TITLE, APP_TITLE, style,
CW_USEDEFAULT, CW_USEDEFAULT, width, height, NULL, NULL, instance, NULL))) {
WinPopup ("Cannot create window");
return false;
}
if (max)
ShowWindow (hwnd, SW_MAXIMIZE);
else
ShowWindow (hwnd, SW_SHOW);
UpdateWindow (hwnd);
return true;
#else /* !WINDOWS */
int attrs[] = {GLX_RGBA, GLX_DOUBLEBUFFER, GLX_RED_SIZE, 8,
GLX_GREEN_SIZE, 8, GLX_BLUE_SIZE, 8, GLX_DEPTH_SIZE, 1, None};
XSetWindowAttributes swa;
XEvent event;
Window root;
XColor black;
XTextProperty name;
int x, y;
unsigned char str_name[] = APP_TITLE;
dpy = XOpenDisplay(NULL); // use $DISPLAY
if(!dpy) {
std::cerr << "Could not open display to " << XDisplayName(NULL) << std::endl;
return false;
}
wm_state = XInternAtom(dpy, "_NET_WM_STATE", False);
fullscreen = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
root = RootWindow(dpy, DefaultScreen(dpy));
vis = glXChooseVisual(dpy, DefaultScreen(dpy), attrs);
if(!vis) {
std::cerr << "Could not get a GLX visual.\n";
return false;
}
swa.colormap = XCreateColormap(dpy, root, vis->visual, AllocNone);
swa.event_mask = StructureNotifyMask | ButtonPressMask | ButtonReleaseMask |
KeyPressMask | ButtonMotionMask | PointerMotionMask;
XParseColor(dpy, swa.colormap, "rgb:0/0/0", &black);
if(SCREENSAVER) {
XWindowAttributes rwa;
XGetWindowAttributes(dpy, root, &rwa);
swa.override_redirect = True;
x = y = 0;
width = rwa.width;
height = rwa.height;
} else {
x = IniInt("WindowX");
y = IniInt("WindowY");
width = IniInt("WindowWidth");
height = IniInt("WindowHeight");
width = CLAMP(width, 800, 2048);
height = CLAMP(height, 600, 2048);
}
half_width = width / 2;
half_height = height / 2;
if(SCREENSAVER) {
wnd = XCreateWindow(dpy, root, x, y, width, height, 0, vis->depth,
InputOutput, vis->visual, CWEventMask | CWColormap |
CWOverrideRedirect, &swa);
// For NET_WM compliant window managers. override_redirect may not be
// required for them, but I can't test that...
memset(&event, 0, sizeof(event));
event.type = ClientMessage;
event.xclient.window = wnd;
event.xclient.message_type = wm_state;
event.xclient.format = 32;
event.xclient.data.l[0] = 1; // add
event.xclient.data.l[1] = fullscreen;
event.xclient.data.l[2] = 0;
XSendEvent(dpy, root, False, SubstructureNotifyMask, &event);
} else {
wnd = XCreateWindow(dpy, root, x, y, width, height, 0, vis->depth,
InputOutput, vis->visual, CWEventMask | CWColormap, &swa);
}
name.encoding = XA_STRING;
name.format = 8; // bits per character
name.nitems = sizeof(APP_TITLE) - 1;
name.value = str_name;