/* $Id: pager.c,v 1.1 2004/08/28 19:25:46 dannybackx Exp $ *//**************************************************************************** * This module is all new * by Rob Nation  ****************************************************************************//*********************************************************************** * The rest of it is all my fault -- MLM * mwm - "LessTif Window Manager" ***********************************************************************/#include <LTconfig.h>#include <string.h>#include <Xm/Xm.h>#include <Xm/MwmUtil.h>#include "mwm.h"Bool pagerOn = True;Bool EnablePagerRedraw = True;Bool DoHandlePageing = True;static char *pager_name = "Mwm Pager";static XClassHint classhints ={    "pager",    "Mwm"};static XSizeHints sizehints ={    (PMinSize | PResizeInc | PBaseSize | PWinGravity),    0, 0, 100, 100,		/* x, y, width and height */    1, 1,			/* Min width and height */    0, 0,			/* Max width and height */    1, 1,			/* Width and height increments */    {0, 0},    {0, 0},			/* Aspect ratio - not used */    1, 1,			/* base size */    (NorthWestGravity)		/* gravity */};/* * draw the lines delimiting the virtual screens */static voiddraw_partitions(ScreenInfo *scr){    int y, y1, y2, x, x1, x2;    int MaxW, MaxH, width, height;    MaxW = scr->virt_x_max + scr->d_width;    MaxH = scr->virt_y_max + scr->d_height;    width = scr->mwm_pager->frame_width -	2 * scr->mwm_pager->boundary_width -	2 * scr->mwm_pager->matte_width;    height = scr->mwm_pager->frame_height -	scr->mwm_pager->title_height -	2 * scr->mwm_pager->boundary_width -	2 * scr->mwm_pager->matte_width;    x = scr->d_width;    y1 = 0;    y2 = height;    while (x < MaxW)    {	x1 = x * width / MaxW;	XDrawLine(dpy, scr->pager_win,		  scr->components[MWM_PAGER].normal_GC, x1, y1, x1, y2);	x += scr->d_width;    }    y = scr->d_height;    x1 = 0;    x2 = width;    while (y < MaxH)    {	y1 = y * height / MaxH;	XDrawLine(dpy, scr->pager_win,		  scr->components[MWM_PAGER].normal_GC, x1, y1, x2, y1);	y += scr->d_height;    }}/* * clear the pager area.  This will cause the pager to be redrawn. */voidPAGER_Clear(ScreenInfo *scr){    if ((scr->mwm_pager) && (EnablePagerRedraw))	XClearArea(dpy, scr->pager_win, 0, 0, scr->mwm_pager->frame_width,		   scr->mwm_pager->frame_height, True);}/* * redraw the pager: we try to be clever - re-draw the pager by causing * an expose event, so that the redraw occurs when the expose arrives. * The advantage is that the number of re-draws will be minimized. */voidPAGER_Redraw(ScreenInfo *scr){    MwmWindow *t;    if (!scr->mwm_pager)	return;    MISC_FlushExpose(scr->pager_win);    MISC_FlushExpose(scr->pager_child_win);    if (scr->components[MWM_PAGER].f_height > 0)    {	if (scr->mwm_highlight != NULL)	{	    if (!(scr->mwm_highlight->flags & STICKY) &&		(scr->mwm_highlight->icon_label != NULL))	    {		MISC_FlushExpose(scr->mwm_highlight->pager_view);		XDrawImageString(dpy, scr->mwm_highlight->pager_view,				 scr->components[MWM_PAGER].normal_GC,				 2, scr->components[MWM_PAGER].f_y + 2,				 scr->mwm_highlight->icon_label,				 strlen(scr->mwm_highlight->icon_label));	    }	}	for (t = scr->mwm_root.next; t != NULL; t = t->next)	{	    if (t != scr->mwm_highlight)	    {		if (!(t->flags & STICKY) &&		    (t->icon_label != NULL))		{		    MISC_FlushExpose(t->pager_view);		    XDrawImageString(dpy, t->pager_view,				     scr->components[MWM_PAGER].normal_GC,				     2, scr->components[MWM_PAGER].f_y + 2,				     t->icon_label, strlen(t->icon_label));		}	    }	}    }    draw_partitions(scr);}/* * update the child.  MLM -- I'm still not sure what this is. */voidPAGER_UpdateViewPort(ScreenInfo *scr){    int width, height, x1, x2, y1, y2;    if ((scr->pager_child_win) && (scr->mwm_pager))    {	width = scr->mwm_pager->frame_width -	    2 * scr->mwm_pager->boundary_width -	    2 * scr->mwm_pager->matte_width;	height = scr->mwm_pager->frame_height -	    scr->mwm_pager->title_height -	    2 * scr->mwm_pager->boundary_width -	    2 * scr->mwm_pager->matte_width;	x1 = scr->virt_x * width / (scr->virt_x_max + scr->d_width) + 1;	y1 = scr->virt_y * height / (scr->virt_y_max + scr->d_height) + 1;	x2 = (scr->d_width) * width / (scr->virt_x_max + scr->d_width) - 1;	y2 = (scr->d_height) * height / (scr->virt_y_max + scr->d_height) - 1;	if (x1 == 1)	{	    x1--;	    x2++;	}	if (y1 == 1)	{	    y1--;	    y2++;	}	XMoveResizeWindow(dpy, scr->pager_child_win, x1, y1, x2, y2);    }}/* * update the pager view */voidPAGER_UpdateView(ScreenInfo *scr, MwmWindow *t){    unsigned int width, height;    int ww, wh;    int wx, wy;    int MaxH, MaxW;    if ((!scr->mwm_pager) || (!pagerOn))	return;    width = scr->mwm_pager->frame_width -	2 * scr->mwm_pager->boundary_width -	2 * scr->mwm_pager->matte_width;    height = scr->mwm_pager->frame_height -	scr->mwm_pager->title_height -	2 * scr->mwm_pager->boundary_width -	2 * scr->mwm_pager->matte_width;    MaxW = scr->virt_x_max + scr->d_width;    MaxH = scr->virt_y_max + scr->d_height;    if ((!(t->flags & STICKY)) &&	(!((t->flags & ICONIFIED) && (t->flags & ICON_UNMAPPED))) &&	(t->Desk == scr->current_desk))    {	if (t->flags & ICONIFIED)	{	    /* show the icon loc */	    wx = (t->icon_x_loc + scr->virt_x) * (int)width / MaxW;;	    wy = (t->icon_y_loc + scr->virt_y) * (int)height / MaxH;	    ww = t->icon_w_width * (int)width / MaxW;	    wh = (t->icon_w_height + t->icon_p_height) * (int)height / MaxH;	}	else	{	    /* show the actual window */	    wx = (t->frame_x + scr->virt_x) * (int)width / MaxW;	    wy = (t->frame_y + scr->virt_y) * (int)height / MaxH;	    ww = t->frame_width * (int)width / MaxW;	    wh = t->frame_height * (int)height / MaxH;	}	if (ww < 2)	    ww = 2;	if (wh < 2)	    wh = 2;	XMoveResizeWindow(dpy, t->pager_view, wx, wy, ww, wh);    }    else    {	/* window is sticky - make sure that the pager_view window is not 	 * visible */	XMoveResizeWindow(dpy, t->pager_view, -10, -10, 5, 5);    }    PAGER_Clear(scr);}/* *  Moves the viewport within thwe virtual desktop */voidPAGER_MoveViewPort(ScreenInfo *scr, int newx, int newy, Boolean grab){    MwmWindow *t;    int deltax, deltay;    XEvent oevent;    if (grab)	XGrabServer(dpy);    if (newx > scr->virt_x_max)	newx = scr->virt_x_max;    if (newy > scr->virt_y_max)	newy = scr->virt_y_max;    if (newx < 0)	newx = 0;    if (newy < 0)	newy = 0;    deltay = scr->virt_y - newy;    deltax = scr->virt_x - newx;    scr->virt_x = newx;    scr->virt_y = newy;    if ((deltax != 0) || (deltay != 0))    {	for (t = scr->mwm_root.next; t != NULL; t = t->next)	{	    /* If the window is iconified, and sticky Icons is set,	     * then the window should essentially be sticky */	    if (!(t->flags & STICKY))	    {		t->icon_x_loc += deltax;		t->icon_xl_loc += deltax;		t->icon_y_loc += deltay;		if (t->icon_pixmap_w != None)		    XMoveWindow(dpy, t->icon_pixmap_w, t->icon_x_loc,				t->icon_y_loc);		if (t->icon_w != None)		    XMoveWindow(dpy, t->icon_w, t->icon_x_loc,				t->icon_y_loc + t->icon_p_height);		DEC_ConfigureDecorations(scr, t,					 t->frame_x + deltax,					 t->frame_y + deltay,					 t->frame_width, t->frame_height,					 False);	    }	}	for (t = scr->mwm_root.next; t != NULL; t = t->next)	{	    /* If its an icon, and its sticking, autoplace it so	     * that it doesn't wind up on top a a stationary	     * icon */	    if ((t->flags & STICKY) &&		(t->flags & ICONIFIED) && (!(t->flags & ICON_MOVED)) &&		(!(t->flags & ICON_UNMAPPED)))		ICON_AutoPlace(scr, t);