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/*
* MATE panel x stuff
*
* Copyright (C) 2000, 2001 Eazel, Inc.
* 2002 Sun Microsystems Inc.
*
* Authors: George Lebl <jirka@5z.com>
* Mark McLoughlin <mark@skynet.ie>
*
* Contains code from the Window Maker window manager
*
* Copyright (c) 1997-2002 Alfredo K. Kojima
*/
#include <config.h>
#include <unistd.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <X11/Xlib.h>
#include "xstuff.h"
/* Zoom animation */
#define MINIATURIZE_ANIMATION_FRAMES_Z 1
#define MINIATURIZE_ANIMATION_STEPS_Z 6
/* the delay per draw */
#define MINIATURIZE_ANIMATION_DELAY_Z 10
static void
draw_zoom_animation (GdkScreen *gscreen,
int x, int y, int w, int h,
int fx, int fy, int fw, int fh,
int steps)
{
#define FRAMES (MINIATURIZE_ANIMATION_FRAMES_Z)
float cx[FRAMES], cy[FRAMES], cw[FRAMES], ch[FRAMES];
int cxi[FRAMES], cyi[FRAMES], cwi[FRAMES], chi[FRAMES];
float xstep, ystep, wstep, hstep;
int i, j;
GC frame_gc;
XGCValues gcv;
GdkColor color = { 65535, 65535, 65535 };
Display *dpy;
Window root_win;
int screen;
int depth;
dpy = gdk_x11_display_get_xdisplay (gdk_screen_get_display (gscreen));
root_win = GDK_WINDOW_XID (gdk_screen_get_root_window (gscreen));
screen = gdk_x11_screen_get_screen_number (gscreen);
depth = DefaultDepth(dpy,screen);
/* frame GC */
gcv.function = GXxor;
/* this will raise the probability of the XORed color being different
* of the original color in PseudoColor when not all color cells are
* initialized */
if (DefaultVisual(dpy, screen)->class==PseudoColor)
gcv.plane_mask = (1<<(depth-1))|1;
else
gcv.plane_mask = AllPlanes;
gcv.foreground = color.pixel;
if (gcv.foreground == 0)
gcv.foreground = 1;
gcv.line_width = 1;
gcv.subwindow_mode = IncludeInferiors;
gcv.graphics_exposures = False;
frame_gc = XCreateGC(dpy, root_win, GCForeground|GCGraphicsExposures
|GCFunction|GCSubwindowMode|GCLineWidth
|GCPlaneMask, &gcv);
xstep = (float)(fx-x)/steps;
ystep = (float)(fy-y)/steps;
wstep = (float)(fw-w)/steps;
hstep = (float)(fh-h)/steps;
for (j=0; j<FRAMES; j++) {
cx[j] = (float)x;
cy[j] = (float)y;
cw[j] = (float)w;
ch[j] = (float)h;
cxi[j] = (int)cx[j];
cyi[j] = (int)cy[j];
cwi[j] = (int)cw[j];
chi[j] = (int)ch[j];
}
XGrabServer(dpy);
for (i=0; i<steps; i++) {
for (j=0; j<FRAMES; j++) {
XDrawRectangle(dpy, root_win, frame_gc, cxi[j], cyi[j], cwi[j], chi[j]);
}
XFlush(dpy);
#if (MINIATURIZE_ANIMATION_DELAY_Z > 0)
usleep(MINIATURIZE_ANIMATION_DELAY_Z);
#else
usleep(10);
#endif
for (j=0; j<FRAMES; j++) {
XDrawRectangle(dpy, root_win, frame_gc,
cxi[j], cyi[j], cwi[j], chi[j]);
if (j<FRAMES-1) {
cx[j]=cx[j+1];
cy[j]=cy[j+1];
cw[j]=cw[j+1];
ch[j]=ch[j+1];
cxi[j]=cxi[j+1];
cyi[j]=cyi[j+1];
cwi[j]=cwi[j+1];
chi[j]=chi[j+1];
} else {
cx[j]+=xstep;
cy[j]+=ystep;
cw[j]+=wstep;
ch[j]+=hstep;
cxi[j] = (int)cx[j];
cyi[j] = (int)cy[j];
cwi[j] = (int)cw[j];
chi[j] = (int)ch[j];
}
}
}
for (j=0; j<FRAMES; j++) {
XDrawRectangle(dpy, root_win, frame_gc,
cxi[j], cyi[j], cwi[j], chi[j]);
}
XFlush(dpy);
#if (MINIATURIZE_ANIMATION_DELAY_Z > 0)
usleep(MINIATURIZE_ANIMATION_DELAY_Z);
#else
usleep(10);
#endif
for (j=0; j<FRAMES; j++) {
XDrawRectangle(dpy, root_win, frame_gc,
cxi[j], cyi[j], cwi[j], chi[j]);
}
XUngrabServer(dpy);
XFreeGC (dpy, frame_gc);
}
#undef FRAMES
void
xstuff_zoom_animate (GtkWidget *widget, GdkRectangle *opt_rect)
{
GdkScreen *gscreen;
GdkRectangle rect, dest;
GtkAllocation allocation;
int monitor;
if (opt_rect)
rect = *opt_rect;
else {
gdk_window_get_origin (gtk_widget_get_window (widget), &rect.x, &rect.y);
gtk_widget_get_allocation (widget, &allocation);
if (!gtk_widget_get_has_window (widget)) {
rect.x += allocation.x;
rect.y += allocation.y;
}
rect.height = allocation.height;
rect.width = allocation.width;
}
gscreen = gtk_widget_get_screen (widget);
monitor = gdk_screen_get_monitor_at_window (gscreen, gtk_widget_get_window (widget));
gdk_screen_get_monitor_geometry (gscreen, monitor, &dest);
draw_zoom_animation (gscreen,
rect.x, rect.y, rect.width, rect.height,
dest.x, dest.y, dest.width, dest.height,
MINIATURIZE_ANIMATION_STEPS_Z);
}
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