FVWM: Window attraction patch update

From: AJ Weber <aj_at_stt3.com>
Date: Fri, 16 Oct 1998 11:44:40 -0700

This patch is a slight update to the previous window attraction patch.
It fixes a bug where windows in different desks affected each other.




diff -c -r ./fvwm/builtins.c ../fvwm_snap/fvwm/builtins.c
*** ./fvwm/builtins.c Tue Aug 19 16:41:27 1997
--- ../fvwm_snap/fvwm/builtins.c Wed Oct 14 11:39:38 1998
***************
*** 1253,1258 ****
--- 1253,1274 ----
    Scr.ClickTime = val1;
  }
  
+ void SetSnapAttraction(XEvent *eventp,Window w,FvwmWindow *tmp_win,
+ unsigned long context, char *action,int* Module)
+ {
+ int val1;
+ int val1_unit,n;
+
+ n = GetOneArgument(action, &val1, &val1_unit);
+ if(n != 1)
+ {
+ fvwm_msg(ERR,"SetSnapAttraction","SnapAttraction requires 1 argument");
+ return;
+ }
+
+ Scr.SnapAttraction = val1;
+ }
+
  void SetXOR(XEvent *eventp,Window w,FvwmWindow *tmp_win,
              unsigned long context, char *action,int* Module)
  {
diff -c -r ./fvwm/functions.c ../fvwm_snap/fvwm/functions.c
*** ./fvwm/functions.c Mon Aug 11 13:09:29 1997
--- ../fvwm_snap/fvwm/functions.c Wed Oct 14 11:58:13 1998
***************
*** 126,131 ****
--- 126,132 ----
    {"Send_WindowList",send_list_func, F_SEND_WINDOW_LIST, FUNC_NO_WINDOW},
    {"SendToModule", SendStrToModule, F_SEND_STRING, FUNC_NO_WINDOW},
    {"set_mask", set_mask_function,F_SET_MASK, FUNC_NO_WINDOW},
+ {"SnapAttraction",SetSnapAttraction,F_SNAP_ATT, FUNC_NO_WINDOW},
    {"Stick", stick_function, F_STICK, FUNC_NEEDS_WINDOW},
    {"Style", ProcessNewStyle, F_STYLE, FUNC_NO_WINDOW},
    {"Title", Nop_func, F_TITLE, FUNC_TITLE},
diff -c -r ./fvwm/fvwm.c ../fvwm_snap/fvwm/fvwm.c
*** ./fvwm/fvwm.c Mon Aug 4 13:53:32 1997
--- ../fvwm_snap/fvwm/fvwm.c Wed Oct 14 11:44:09 1998
***************
*** 1223,1228 ****
--- 1223,1229 ----
  
    Scr.EdgeScrollX = Scr.EdgeScrollY = 100;
    Scr.ScrollResistance = Scr.MoveResistance = 0;
+ Scr.SnapAttraction = 0;
    Scr.OpaqueSize = 5;
    Scr.ClickTime = 150;
    Scr.ColormapFocus = COLORMAP_FOLLOWS_MOUSE;
diff -c -r ./fvwm/misc.h ../fvwm_snap/fvwm/misc.h
*** ./fvwm/misc.h Mon Aug 11 13:10:19 1997
--- ../fvwm_snap/fvwm/misc.h Wed Oct 14 11:42:30 1998
***************
*** 516,521 ****
--- 516,523 ----
                 unsigned long context, char *action,int* Module);
  void SetClick(XEvent *eventp,Window w,FvwmWindow *tmp_win,
                 unsigned long context, char *action,int* Module);
+ void SetSnapAttraction(XEvent *eventp,Window w,FvwmWindow *tmp_win,
+ unsigned long context, char *action,int* Module);
  void NextFunc(XEvent *eventp,Window w,FvwmWindow *tmp_win,
                unsigned long context, char *action,int* Module);
  void PrevFunc(XEvent *eventp,Window w,FvwmWindow *tmp_win,
diff -c -r ./fvwm/move.c ../fvwm_snap/fvwm/move.c
*** ./fvwm/move.c Mon Aug 11 13:53:16 1997
--- ../fvwm_snap/fvwm/move.c Fri Oct 16 11:22:43 1998
***************
*** 109,114 ****
--- 109,119 ----
                int Height, int *FinalX, int *FinalY,Bool opaque_move,
                Bool AddWindow)
  {
+ Window root, parent, *children;
+ FvwmWindow *tmp;
+ unsigned int nchildren;
+ int i,j;
+ int nyt,nxl,dist,closestLeft,closestRight,closestBottom,closestTop;
    Bool finished = False;
    Bool done;
    int xl,yt,delta_x,delta_y,paged;
***************
*** 180,185 ****
--- 185,267 ----
            xl = Event.xmotion.x_root + XOffset;
            yt = Event.xmotion.y_root + YOffset;
  
+ /* resist based on window edges */
+ tmp = Scr.FvwmRoot.next;
+ closestTop = Scr.SnapAttraction;
+ closestBottom = Scr.SnapAttraction;
+ closestRight = Scr.SnapAttraction;
+ closestLeft = Scr.SnapAttraction;
+ nxl = xl;
+ nyt = yt;
+ while(tmp)
+ {
+ if (tmp_win != tmp && (tmp_win->Desk == tmp->Desk))
+ {
+ if(!( (tmp->frame_y + tmp->frame_height) < (yt) ||
+ (tmp->frame_y) > (yt + Height) ))
+ {
+ dist = abs(tmp->frame_x - (xl + Width));
+ if(dist < closestRight)
+ {
+ closestRight = dist;
+ if(((xl + Width) >= tmp->frame_x)&&
+ ((xl + Width) < tmp->frame_x+Scr.SnapAttraction))
+ nxl = tmp->frame_x - Width - tmp_win->bw;
+ if(((xl + Width) >= tmp->frame_x-Scr.SnapAttraction)&&
+ ((xl + Width) < tmp->frame_x))
+ nxl = tmp->frame_x - Width - tmp_win->bw;
+ }
+ dist = abs(tmp->frame_x + tmp->frame_width - xl);
+ if(dist < closestLeft)
+ {
+ closestLeft = dist;
+ if((xl <= tmp->frame_x + tmp->frame_width)&&
+ (xl > tmp->frame_x + tmp->frame_width-Scr.SnapAttraction))
+ nxl = tmp->frame_x + tmp->frame_width;
+ if((xl <= tmp->frame_x + tmp->frame_width+Scr.SnapAttraction)&&
+ (xl > tmp->frame_x + tmp->frame_width))
+ nxl = tmp->frame_x + tmp->frame_width;
+ }
+ }
+ if(!( (tmp->frame_x + tmp->frame_width) < (xl) ||
+ (tmp->frame_x) > (xl + Width) ))
+ {
+ dist = abs(tmp->frame_y - (yt + Height));
+ if(dist < closestBottom)
+ {
+ closestBottom = dist;
+ if(((yt + Height) >= tmp->frame_y)&&
+ ((yt + Height) < tmp->frame_y+Scr.SnapAttraction))
+ nyt = tmp->frame_y - Height - tmp_win->bw;
+ if(((yt + Height) >= tmp->frame_y-Scr.SnapAttraction)&&
+ ((yt + Height) < tmp->frame_y))
+ nyt = tmp->frame_y - Height - tmp_win->bw;
+ }
+ dist = abs(tmp->frame_y + tmp->frame_height - yt);
+ if(dist < closestTop)
+ {
+ closestTop = dist;
+ if((yt <= tmp->frame_y + tmp->frame_height)&&
+ (yt > tmp->frame_y + tmp->frame_height-Scr.SnapAttraction))
+ nyt = tmp->frame_y + tmp->frame_height;
+ if((yt <= tmp->frame_y + tmp->frame_height+Scr.SnapAttraction)&&
+ (yt > tmp->frame_y + tmp->frame_height))
+ nyt = tmp->frame_y + tmp->frame_height;
+ }
+ }
+ #if 0
+ if(((yt + Height) >= Scr.MyDisplayHeight)&&
+ ((yt + Height) < Scr.MyDisplayHeight+Scr.MoveResistance))
+ yt = Scr.MyDisplayHeight - Height - tmp_win->bw;
+ if((yt <= 0)&&(yt > -Scr.MoveResistance))
+ yt = 0;
+ #endif
+ }
+ tmp = tmp->next;
+ }
+ xl = nxl;
+ yt = nyt;
+
            /* Resist moving windows over the edge of the screen! */
            if(((xl + Width) >= Scr.MyDisplayWidth)&&
               ((xl + Width) < Scr.MyDisplayWidth+Scr.MoveResistance))
***************
*** 208,213 ****
--- 290,372 ----
            xl += XOffset;
            yt += YOffset;
  
+ /* resist based on window edges */
+ tmp = Scr.FvwmRoot.next;
+ closestTop = Scr.SnapAttraction;
+ closestBottom = Scr.SnapAttraction;
+ closestRight = Scr.SnapAttraction;
+ closestLeft = Scr.SnapAttraction;
+ nxl = xl;
+ nyt = yt;
+ while(tmp)
+ {
+ if (tmp_win != tmp && (tmp_win->Desk == tmp->Desk))
+ {
+ if(!( (tmp->frame_y + tmp->frame_height) < (yt) ||
+ (tmp->frame_y) > (yt + Height) ))
+ {
+ dist = abs(tmp->frame_x - (xl + Width));
+ if(dist < closestRight)
+ {
+ closestRight = dist;
+ if(((xl + Width) >= tmp->frame_x)&&
+ ((xl + Width) < tmp->frame_x+Scr.SnapAttraction))
+ nxl = tmp->frame_x - Width - tmp_win->bw;
+ if(((xl + Width) >= tmp->frame_x-Scr.SnapAttraction)&&
+ ((xl + Width) < tmp->frame_x))
+ nxl = tmp->frame_x - Width - tmp_win->bw;
+ }
+ dist = abs(tmp->frame_x + tmp->frame_width - xl);
+ if(dist < closestLeft)
+ {
+ closestLeft = dist;
+ if((xl <= tmp->frame_x + tmp->frame_width)&&
+ (xl > tmp->frame_x + tmp->frame_width-Scr.SnapAttraction))
+ nxl = tmp->frame_x + tmp->frame_width;
+ if((xl <= tmp->frame_x + tmp->frame_width+Scr.SnapAttraction)&&
+ (xl > tmp->frame_x + tmp->frame_width))
+ nxl = tmp->frame_x + tmp->frame_width;
+ }
+ }
+ if(!( (tmp->frame_x + tmp->frame_width) < (xl) ||
+ (tmp->frame_x) > (xl + Width) ))
+ {
+ dist = abs(tmp->frame_y - (yt + Height));
+ if(dist < closestBottom)
+ {
+ closestBottom = dist;
+ if(((yt + Height) >= tmp->frame_y)&&
+ ((yt + Height) < tmp->frame_y+Scr.SnapAttraction))
+ nyt = tmp->frame_y - Height - tmp_win->bw;
+ if(((yt + Height) >= tmp->frame_y-Scr.SnapAttraction)&&
+ ((yt + Height) < tmp->frame_y))
+ nyt = tmp->frame_y - Height - tmp_win->bw;
+ }
+ dist = abs(tmp->frame_y + tmp->frame_height - yt);
+ if(dist < closestTop)
+ {
+ closestTop = dist;
+ if((yt <= tmp->frame_y + tmp->frame_height)&&
+ (yt > tmp->frame_y + tmp->frame_height-Scr.SnapAttraction))
+ nyt = tmp->frame_y + tmp->frame_height;
+ if((yt <= tmp->frame_y + tmp->frame_height+Scr.SnapAttraction)&&
+ (yt > tmp->frame_y + tmp->frame_height))
+ nyt = tmp->frame_y + tmp->frame_height;
+ }
+ }
+ #if 0
+ if(((yt + Height) >= Scr.MyDisplayHeight)&&
+ ((yt + Height) < Scr.MyDisplayHeight+Scr.MoveResistance))
+ yt = Scr.MyDisplayHeight - Height - tmp_win->bw;
+ if((yt <= 0)&&(yt > -Scr.MoveResistance))
+ yt = 0;
+ #endif
+ }
+ tmp = tmp->next;
+ }
+ xl = nxl;
+ yt = nyt;
+
            /* Resist moving windows over the edge of the screen! */
            if(((xl + Width) >= Scr.MyDisplayWidth)&&
               ((xl + Width) < Scr.MyDisplayWidth+Scr.MoveResistance))
***************
*** 219,225 ****
              yt = Scr.MyDisplayHeight - Height - tmp_win->bw;
            if((yt <= 0)&&(yt > -Scr.MoveResistance))
              yt = 0;
-
          /* check Paging request once and only once after outline redrawn */
          /* redraw after paging if needed - mab */
          paged=0;
--- 378,383 ----
diff -c -r ./fvwm/parse.h ../fvwm_snap/fvwm/parse.h
*** ./fvwm/parse.h Mon Aug 11 13:10:39 1997
--- ../fvwm_snap/fvwm/parse.h Wed Oct 14 11:41:16 1998
***************
*** 75,80 ****
--- 75,81 ----
  #define F_EXEC_SETUP 57
  #define F_CURSOR_STYLE 58
  #define F_CURRENT 59
+ #define F_SNAP_ATT 60
  
  /* Functions which require a target window */
  #define F_RESIZE 100
diff -c -r ./fvwm/screen.h ../fvwm_snap/fvwm/screen.h
*** ./fvwm/screen.h Mon Aug 4 13:55:30 1997
--- ../fvwm_snap/fvwm/screen.h Wed Oct 14 11:48:25 1998
***************
*** 311,316 ****
--- 311,317 ----
    int ClickTime; /*Max button-click delay for Function built-in*/
    int ScrollResistance; /* resistance to scrolling in desktop */
    int MoveResistance; /* res to moving windows over viewport edge */
+ int SnapAttraction; /* attractiveness of window edges */
    int OpaqueSize;
    int CurrentDesk; /* The current desktop number */
    int ColormapFocus; /* colormap focus style */
Only in .: patch_fvwm-2.0.46_snapatt_b
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Received on Fri Oct 16 1998 - 13:45:44 BST

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