/*
* This module is all original code
* by Rob Nation
* Copyright 1993, Robert Nation
* You may use this code for any purpose, as long as the original
* copyright remains in the source code and all documentation
****************************************************************************
* slightly modified by Bo Yang
*
***********************************************************************
*
* code for moving windows
*
***********************************************************************/
#include "../configure.h"
#include <stdio.h>
#include <signal.h>
#include <string.h>
#include <X11/keysym.h>
#include "afterstep.h"
#include "menus.h"
#include "misc.h"
#include "parse.h"
#include "screen.h"
#include "module.h"
extern XEvent Event;
extern int menuFromFrameOrWindowOrTitlebar;
Bool NeedToResizeToo;
/****************************************************************************
*
* Start a window move operation
*
****************************************************************************/
void move_window(XEvent *eventp,Window w,ASWindow *tmp_win,int context,
int val1, int val2, int val1_unit,int val2_unit)
{
int FinalX, FinalY;
/* gotta have a window */
if(tmp_win == NULL)
return;
w = tmp_win->frame;
if(tmp_win->flags & ICONIFIED)
{
tmp_win->icon_pixmap_w;
}
if((val1 !=0)||(val2 != 0))
{
FinalX = val1*val1_unit/100;
FinalY = val2*val2_unit/100;
}
else
InteractiveMove(&w,tmp_win,&FinalX,&FinalY,eventp);
if (w == tmp_win->frame)
{
SetupFrame (tmp_win, FinalX, FinalY,
tmp_win->frame_width, tmp_win->frame_height,FALSE);
}
else /* icon window */
{
tmp_win->flags |= ICON_MOVED;
tmp_win->icon_x_loc = FinalX ;
tmp_win->icon_y_loc = FinalY;
Broadcast(M_ICON_LOCATION,7,tmp_win->w,tmp_win->frame,
(unsigned long)tmp_win,
tmp_win->icon_x_loc,tmp_win->icon_y_loc,
tmp_win->icon_p_width,
tmp_win->icon_p_height);
if(tmp_win->icon_pixmap_w != None)
{
XMoveWindow(dpy, tmp_win->icon_pixmap_w, tmp_win->icon_x_loc,FinalY);
XMapWindow(dpy,w);
}
}
#ifndef NO_PAGER
RedrawPager();
#endif
UpdateVisibility();
return;
}
/****************************************************************************
*
* Move the rubberband around, return with the new window location
*
****************************************************************************/
void moveLoop(ASWindow *tmp_win, int XOffset, int YOffset, int Width,
int Height, int *FinalX, int *FinalY,Bool opaque_move,
Bool AddWindow)
{
Bool finished = False;
Bool done;
int xl,yt,delta_x,delta_y;
#ifndef NO_PAGER
unsigned int pagerwidth,pagerheight;
int ww,wh;
int wx,wy;
int MaxH,MaxW;
int last_x = -10000, last_y = -10000;
#endif
XQueryPointer(dpy, Scr.Root, &JunkRoot, &JunkChild,&xl, &yt,
&JunkX, &JunkY, &JunkMask);
xl += XOffset;
yt += YOffset;
if((!opaque_move)||(AddWindow))
MoveOutline(Scr.Root, xl, yt, Width,Height);
DisplayPosition(tmp_win,xl+Scr.Vx,yt+Scr.Vy,True);
while (!finished)
{
/* block until there is an interesting event */
XMaskEvent(dpy, ButtonPressMask | ButtonReleaseMask | KeyPressMask |
PointerMotionMask | ButtonMotionMask | ExposureMask, &Event);
StashEventTime(&Event);
/* discard any extra motion events before a logical release */
if (Event.type == MotionNotify)
{
while(XCheckMaskEvent(dpy, PointerMotionMask | ButtonMotionMask |
ButtonPressMask |ButtonRelease, &Event))
{
StashEventTime(&Event);
if(Event.type == ButtonRelease) break;
}
}
done = FALSE;
/* Handle a limited number of key press events to allow mouseless
* operation */
if(Event.type == KeyPress)
Keyboard_shortcuts(&Event,ButtonRelease);
switch(Event.type)
{
case KeyPress:
done = TRUE;
break;
case ButtonPress:
XAllowEvents(dpy,ReplayPointer,CurrentTime);
if(Event.xbutton.button == 2)
{
NeedToResizeToo = True;
/* Fallthrough to button-release */
}
else
{
done = 1;
break;
}
case ButtonRelease:
if(!opaque_move)
MoveOutline(Scr.Root, 0, 0, 0, 0);
xl = Event.xmotion.x_root + XOffset;
yt = Event.xmotion.y_root + YOffset;
/* Resist moving windows over the edge of the screen! */
if(((xl + Width) >= Scr.MyDisplayWidth)&&
((xl + Width) < Scr.MyDisplayWidth+Scr.MoveResistance))
xl = Scr.MyDisplayWidth - Width - tmp_win->bw;
if((xl <= 0)&&(xl > -Scr.MoveResistance))
xl = 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;
*FinalX = xl;
*FinalY = yt;
done = TRUE;
finished = TRUE;
break;
case MotionNotify:
/* update location of the pager_view window */
#ifndef NO_PAGER
if((Scr.ASPager != NULL)&&
(xl < Scr.ASPager->frame_x + Scr.ASPager->frame_width)&&
(xl+Width > Scr.ASPager->frame_x)&&
(yt < Scr.ASPager->frame_y + Scr.ASPager->frame_height)&&
(yt+ Height > Scr.ASPager->frame_y)&&(!opaque_move))
MoveOutline(Scr.Root,0,0,0,0);
#endif
xl = Event.xmotion.x_root;
yt = Event.xmotion.y_root;
HandlePaging(Scr.MyDisplayWidth,Scr.MyDisplayHeight,&xl,&yt,
&delta_x,&delta_y,False);
/* redraw the rubberband */
xl += XOffset;
yt += YOffset;
/* Resist moving windows over the edge of the screen! */
if(((xl + Width) >= Scr.MyDisplayWidth)&&
((xl + Width) < Scr.MyDisplayWidth+Scr.MoveResistance))
xl = Scr.MyDisplayWidth - Width - tmp_win->bw;
if((xl <= 0)&&(xl > -Scr.MoveResistance))
xl = 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;
#ifndef NO_PAGER
if(Scr.ASPager)
{
pagerwidth = Scr.ASPager->frame_width -
2*Scr.ASPager->boundary_width;
pagerheight = Scr.ASPager->frame_height -
Scr.ASPager->title_height - 2*Scr.ASPager->boundary_width;
MaxW = Scr.VxMax + Scr.MyDisplayWidth;
MaxH = Scr.VyMax + Scr.MyDisplayHeight;
if(!(tmp_win->flags & STICKY)&&
(!(tmp_win->flags&ICONIFIED)||
(!(tmp_win->flags&SUPPRESSICON)))&&
(!(tmp_win->flags&ICONIFIED)||(!(Scr.flags & StickyIcons))))
{
/* show the actual window */
wx = (xl + Scr.Vx)*(int)pagerwidth/MaxW;
wy = (yt + Scr.Vy)*(int)pagerheight/MaxH;
if((last_x - wx >= 2)||(last_x - wx <= -2)||
(last_y - wy >= 2)||(last_y - wy <= -2))
{
ww = Width*(int)pagerwidth/MaxW;
wh = Height*(int)pagerheight/MaxH;
if(ww<2)ww=2;
if(wh<2)wh=2;
XMoveResizeWindow(dpy,
tmp_win->pager_view, wx, wy, ww, wh);
last_x = wx;
last_y = wy;
}
}
}
#endif
if(!opaque_move)
MoveOutline(Scr.Root, xl, yt, Width,Height);
else
{
if (tmp_win->flags & ICONIFIED)
{
tmp_win->icon_x_loc = xl ;
tmp_win->icon_y_loc = yt;
if(tmp_win->icon_pixmap_w != None)
XMoveWindow (dpy, tmp_win->icon_pixmap_w,
tmp_win->icon_x_loc,yt);
}
else
XMoveWindow(dpy,tmp_win->frame,xl,yt);
}
DisplayPosition(tmp_win,xl+Scr.Vx,yt+Scr.Vy,False);
done = TRUE;
break;
default:
break;
}
if(!done)
{
if(!opaque_move)
MoveOutline(Scr.Root,0,0,0,0);
DispatchEvent();
if(!opaque_move)
MoveOutline(Scr.Root, xl, yt, Width, Height);
}
}
}
/***********************************************************************
*
* Procedure:
* DisplayPosition - display the position in the dimensions window
*
* Inputs:
* tmp_win - the current afterstep window
* x, y - position of the window
*
************************************************************************/
void DisplayPosition (ASWindow *tmp_win, int x, int y,int Init)
{
char str [100];
int offset;
(void) sprintf (str, " %+-4d %+-4d ", x, y);
if(Init)
{
XClearWindow(dpy,Scr.SizeWindow);
if(Scr.d_depth >= 2)
RelieveWindow(tmp_win,Scr.SizeWindow,0,0,
Scr.SizeStringWidth+ SIZE_HINDENT*2,
Scr.StdFont.height + SIZE_VINDENT*2,
Scr.StdReliefGC,Scr.StdShadowGC, FULL_HILITE);
}
else
{
XClearArea(dpy,Scr.SizeWindow,SIZE_HINDENT,SIZE_VINDENT,Scr.SizeStringWidth,
Scr.StdFont.height,False);
}
offset = (Scr.SizeStringWidth + SIZE_HINDENT*2
- XTextWidth(Scr.StdFont.font,str,strlen(str)))/2;
#undef FONTSET
#define FONTSET Scr.StdFont.fontset
XDrawString (dpy, Scr.SizeWindow, Scr.NormalGC,
offset,
Scr.StdFont.font->ascent + SIZE_VINDENT,
str, strlen(str));
}
/****************************************************************************
*
* For menus, move, and resize operations, we can effect keyboard
* shortcuts by warping the pointer.
*
****************************************************************************/
void Keyboard_shortcuts(XEvent *Event, int ReturnEvent)
{
int x,y,x_root,y_root;
int move_size,x_move,y_move;
KeySym keysym;
/* Pick the size of the cursor movement */
move_size = Scr.EntryHeight;
if(Event->xkey.state & ControlMask)
move_size = 1;
if(Event->xkey.state & ShiftMask)
move_size = 100;
keysym = XLookupKeysym(&Event->xkey,0);
x_move = 0;
y_move = 0;
switch(keysym)
{
case XK_Up:
case XK_k:
case XK_p:
y_move = -move_size;
break;
case XK_Down:
case XK_n:
case XK_j:
y_move = move_size;
break;
case XK_Left:
case XK_b:
case XK_h:
x_move = -move_size;
break;
case XK_Right:
case XK_f:
case XK_l:
x_move = move_size;
break;
case XK_Return:
case XK_space:
/* beat up the event */
Event->type = ReturnEvent;
break;
default:
break;
}
XQueryPointer( dpy, Scr.Root, &JunkRoot, &Event->xany.window,
&x_root, &y_root, &x, &y, &JunkMask);
if((x_move != 0)||(y_move != 0))
{
/* beat up the event */
XWarpPointer(dpy, None, Scr.Root, 0, 0, 0, 0, x_root+x_move,
y_root+y_move);
/* beat up the event */
Event->type = MotionNotify;
Event->xkey.x += x_move;
Event->xkey.y += y_move;
Event->xkey.x_root += x_move;
Event->xkey.y_root += y_move;
}
}
void InteractiveMove(Window *win, ASWindow *tmp_win, int *FinalX, int *FinalY, XEvent *eventp)
{
extern int Stashed_X, Stashed_Y;
int origDragX,origDragY,DragX, DragY, DragWidth, DragHeight;
int XOffset, YOffset;
Window w;
Bool opaque_move = False;
#ifndef NO_PAGER
extern Bool pagerOn;
#endif
InstallRootColormap();
if (menuFromFrameOrWindowOrTitlebar)
{
/* warp the pointer to the cursor position from before menu appeared*/
XWarpPointer(dpy, None, Scr.Root, 0, 0, 0, 0, Stashed_X,Stashed_Y);
XFlush(dpy);
}
DragX = eventp->xbutton.x_root;
DragY = eventp->xbutton.y_root;
/* If this is left commented out, then the move starts from the button press
* location instead of the current location, which seems to be an
* improvement */
/* XQueryPointer(dpy, Scr.Root, &JunkRoot, &JunkChild,
&DragX, &DragY, &JunkX, &JunkY, &JunkMask);*/
if(!GrabEm(MOVE))
{
XBell(dpy,Scr.screen);
return;
}
#ifndef NO_PAGER
pagerOn = False;
#endif
w = tmp_win->frame;
if(tmp_win->flags & ICONIFIED)
w = tmp_win->icon_pixmap_w;
*win = w;
XGetGeometry(dpy, w, &JunkRoot, &origDragX, &origDragY,
(unsigned int *)&DragWidth, (unsigned int *)&DragHeight,
&JunkBW, &JunkDepth);
if(DragWidth*DragHeight <
(Scr.OpaqueSize*Scr.MyDisplayWidth*Scr.MyDisplayHeight)/100)
opaque_move = True;
else
XGrabServer(dpy);
if((!opaque_move)&&(tmp_win->flags & ICONIFIED))
XUnmapWindow(dpy,w);
DragWidth += JunkBW;
DragHeight+= JunkBW;
XOffset = origDragX - DragX;
YOffset = origDragY - DragY;
XMapRaised(dpy,Scr.SizeWindow);
moveLoop(tmp_win, XOffset,YOffset,DragWidth,DragHeight, FinalX,FinalY,
opaque_move,False);
XUnmapWindow(dpy,Scr.SizeWindow);
UninstallRootColormap();
if(!opaque_move)
XUngrabServer(dpy);
UngrabEm();
#ifndef NO_PAGER
pagerOn = True;
#endif
}
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