Re: Initial window placement

["Matthias Clasen" <matthiasc poet de>]

Sasha Vasko wrote:

> 
> Slightly improved version :
> 
> http://afterstep.sourceforge.net/wm-specs/wmtest.c
> 
> It cycles through 3 different sizes  instead of just resizing it ones.
> 

Nice idea, but you forgot to adjust the size hints, so if it works for you
then your wm doesn't enforce the max hints. 
Corrected version appended.

Matthias



#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <stdio.h>

int gravities[10] = {
  NorthWestGravity,
  NorthGravity,
  NorthEastGravity,
  WestGravity,
  CenterGravity,
  EastGravity,
  SouthWestGravity,
  SouthGravity,
  SouthEastGravity,
  StaticGravity
};

Window windows[10];
unsigned long btn1_clicks[10];
unsigned long btn2_clicks[10];

int x_offset[3] = { 0, -50,  -100 };
int y_offset[3] = { 0, -50,  -100 };
double screen_x_fraction[3] = { 0, 0.5, 1.0 };
double screen_y_fraction[3] = { 0, 0.5, 1.0 };
int screen_width;
int screen_height;

void calculate_position (int i, int *x, int *y)
{
  if (i == 9)
    {
      *x = 150;
      *y = 150;
    }
  else
    {
      *x = screen_x_fraction[i % 3] * screen_width + x_offset[i % 3];
      *y = screen_y_fraction[i / 3] * screen_height + y_offset[i / 3];
    }
}

int main (int argc, char **argv)
{
  Display *d;
  Window w;
  XSizeHints hints;
  int i, j;
  int screen;
  XEvent ev;

  d = XOpenDisplay (NULL);

  screen = DefaultScreen (d);
  screen_width = DisplayWidth (d, screen);
  screen_height = DisplayHeight (d, screen);

  for (i=0; i<10; i++)
    {
      int x, y;

      calculate_position (i, &x, &y);

      w = XCreateSimpleWindow(d, RootWindow(d, screen),
         x, y, 100, 100, 0,
         WhitePixel(d, screen), WhitePixel(d, screen));

      windows[i] = w;
   btn1_clicks[i] = 0;
   btn2_clicks[i] = 0;

      XSelectInput (d, w, ButtonPressMask);

      hints.flags = USPosition | PMinSize | PMaxSize | PWinGravity;

      hints.min_width = 100;
      hints.min_height = 100;
      hints.max_width = 300;
      hints.max_height = 300;
      hints.win_gravity = gravities[i];

      XSetWMNormalHints (d, w, &hints);
      XMapWindow (d, w);
    }

  while (1)
    {
      XNextEvent (d, &ev);

      if (ev.xany.type == ButtonPress)
 {
   for (i=0; i<10; i++)
     {
       if (windows[i] == ev.xbutton.window)
  {
    if (ev.xbutton.button == Button1)
      {
        int x, y;

        calculate_position (i, &x, &y);
        w = XMoveWindow (d, windows[i], x, y);
     ++btn1_clicks[i];

      }
    else
      {
     int size = 300/((btn2_clicks[i]%3)+1);

        w = XResizeWindow (d, windows[i], size, size);
     ++btn2_clicks[i];
      }
    }
       }
 }
    }

  return 0;
}