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/* Compile with "gcc -o iconized -Wall iconized.c -lX11" */
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
/* This exercises some window state transitions per ICCCM 4.1.4 */
/* Run as ./initially_iconized [0|1] to select initial state */
/* Click middle mouse button on window to toggle */
int main(int argc, char** argv)
{
if (argc != 2 || strcmp(argv[1], "-h") == 0)
{
fprintf(stderr, "Usage: %s [iconized]\n", argv[0]);
return 1;
}
Display* display = XOpenDisplay(NULL);
if (!display) {
fprintf(stderr, "Couldn't open display\n");
return 1;
}
int screen = DefaultScreen(display);
const int width = 300, height = 200;
unsigned long black = BlackPixel(display, screen);
unsigned long white = WhitePixel(display, screen);
Window win = XCreateSimpleWindow(display,
RootWindow(display, screen),
0, /* x */
0, /* y */
width,
height,
0, /* border_width */
black, /* border */
white); /* background */
Bool toggle = (strcmp(argv[1], "0") != 0);
fprintf(stderr, "Setting WM_HINT to %s\n", (toggle ? "iconized" : "normal"));
XWMHints *hints = XAllocWMHints();
hints->flags = StateHint;
hints->initial_state = toggle ? IconicState : NormalState;
XSetWMHints(display, win, hints);
XFree(hints);
XSelectInput(display, win, ButtonPressMask);
XMapWindow(display, win);
while (1) {
XEvent event;
XNextEvent(display, &event);
if (event.type == ButtonPress) {
XButtonEvent be = event.xbutton;
if (be.button == 2) {
fprintf(stderr, "XIconifyWindow()\n");
XIconifyWindow(display, win, screen);
XFlush(display);
{
int i;
fprintf(stderr, "I'll be back!\n");
for (i = 10; i > 0; i--)
{
sleep(1);
printf("%d...\n", i);
}
}
fprintf(stderr, "XMapWindow()\n");
XMapWindow(display, win);
XFlush(display);
}
}
}
return 0;
}
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