Hello, I am trying to write Xlib-program that would produce a window (main
window) on the screen (root screen) and the subwindow inside the main window.
To make that, the following Xlib-functions are called (the question is below):
window = XCreateSimpleWindow ( display,
RootWindow ( display, screen_number ),
X, Y,WIDTH,HEIGHT,BORDER_WIDTH,
BlackPixel ( display, screen_number ),
WhitePixel ( display, screen_number ) );
SetWindowManagerHints ( display, PRG_CLASS, argv, argc,
window, X, Y, WIDTH, HEIGHT, WIDTH_MIN,
HEIGHT_MIN, TITLE, ICON_TITLE, 0 );
XSelectInput ( display, window, ExposureMask | KeyPressMask );
XMapWindow ( display, window );
window1 = XCreateSimpleWindow ( display, window,
(X+5), (Y+5), (int)(WIDTH/3.), (int)(HEIGHT/2.), (int)(BORDER_WIDTH),
BlackPixel ( display, screen_number ),
WhitePixel ( display, screen_number ) );
SetWindowManagerHints ( display, PRG_CLASS, argv, argc,
window1, (X+5), (Y+5), (int)(WIDTH/3.), (int)(HEIGHT/3.), (int)(WIDTH_MIN),
(int)(HEIGHT_MIN/3.), TITLE1, ICON_TITLE, 0 );
XSelectInput ( display, window1, ExposureMask | KeyPressMask );
XMapWindow ( display, window1 );
These commands produce the main window and the subwindow with the borders
specified. However, the subwindow can not be moved inside the main window by
dragging it with a mouse. The windows manager is attached only to the main
window, and I guess not to the subwindow.
Could anybody help to resolve these problem: that is, how the code should be
modified in order to achieve moving the subwindow inside the main window ?
I also attach the the example code.
Thank you.
Il'dar#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <stdio.h>
#include <string.h>
#define X 0
#define Y 0
#define WIDTH 400
#define HEIGHT 400
#define WIDTH_MIN 100
#define HEIGHT_MIN 100
#define BORDER_WIDTH 5
#define TITLE "Example"
#define TITLE1 "Sub_example"
#define ICON_TITLE "Example"
#define PRG_CLASS "Example"
static void SetWindowManagerHints (
Display * display,
char * PClass,
char * argv[],
int argc,
Window window,
int x,
int y,
int win_wdt,
int win_hgt,
int win_wdt_min,
int win_hgt_min,
char * ptrTitle,
char * ptrITitle,
Pixmap pixmap
)
{
XSizeHints size_hints;
XWMHints wm_hints;
XClassHint class_hint;
XTextProperty windowname, iconname;
if ( !XStringListToTextProperty (&ptrTitle, 1, &windowname ) ||
!XStringListToTextProperty (&ptrITitle, 1, &iconname ) ) {
puts ( "No memory!\n");
exit ( 1 );
}
size_hints.flags = PPosition | PSize | PMinSize;
size_hints.min_width = win_wdt_min;
size_hints.min_height = win_hgt_min;
wm_hints.flags = StateHint | IconPixmapHint | InputHint;
wm_hints.initial_state = NormalState;
wm_hints.input = True;
wm_hints.icon_pixmap= pixmap;
class_hint.res_name = argv[0];
class_hint.res_class = PClass;
XSetWMProperties ( display, window, &windowname,
&iconname, argv, argc, &size_hints, &wm_hints,
&class_hint );
}
void main(int argc, char *argv[])
{
int ii;
Display * display;
int screen_number;
GC gc,gc1;
XEvent report;
Window window, window1;
char disp1[]="microsof-70c56f:1.0";
if ( ( display = XOpenDisplay(disp1) ) == NULL ) {
puts ("Can not connect to the X server!\n");
exit ( 1 );
}
// screen_number = DefaultScreen ( display );
screen_number=0;
window = XCreateSimpleWindow ( display,
RootWindow ( display, screen_number ),
X, Y,WIDTH,HEIGHT,BORDER_WIDTH,
BlackPixel ( display, screen_number ),
WhitePixel ( display, screen_number ) );
SetWindowManagerHints ( display, PRG_CLASS, argv, argc,
window, X, Y, WIDTH, HEIGHT, WIDTH_MIN,
HEIGHT_MIN, TITLE, ICON_TITLE, 0 );
XSelectInput ( display, window, ExposureMask | KeyPressMask );
XMapWindow ( display, window );
window1 = XCreateSimpleWindow ( display,
window,
(X+5), (Y+5), (int)(WIDTH/3.), (int)(HEIGHT/2.), (int)(BORDER_WIDTH),
BlackPixel ( display, screen_number ),
WhitePixel ( display, screen_number ) );
SetWindowManagerHints ( display, PRG_CLASS, argv, argc,
window1, (X+5), (Y+5), (int)(WIDTH/3.), (int)(HEIGHT/3.), (int)(WIDTH_MIN),
(int)(HEIGHT_MIN/3.), TITLE1, ICON_TITLE, 0 );
XSelectInput ( display, window1, ExposureMask | KeyPressMask );
XMapWindow ( display, window1 );
while(1)
{
XNextEvent ( display, &report );
switch ( report.type ) {
case Expose :
if ( report.xexpose.count != 0 )
break;
gc = XCreateGC ( display, window, 0 , NULL );
XSetForeground ( display, gc, BlackPixel ( display, 0) );
gc1 = XCreateGC ( display, window1, 0 , NULL );
XSetForeground ( display, gc1, BlackPixel ( display, 0) );
XDrawString ( display, window, gc, 20,50,
"Main Window", strlen ( "Main Window" ) );
XDrawString ( display, window1, gc1, 20,50,
"Subwindow", strlen ( "Subwindow" ) );
XFreeGC ( display, gc );
XFreeGC ( display, gc1 );
XFlush(display);
break;
case KeyPress :
XCloseDisplay ( display );
exit ( 0 );
}
}
}
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