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added wmagnify

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This commit is contained in:
kojima
2000-05-22 03:09:20 +00:00
parent 79ae37a35c
commit 58b36ec1b3
3 changed files with 454 additions and 17 deletions
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33
util/Makefile.am
View File

@@ -3,7 +3,7 @@ AUTOMAKE_OPTIONS = no-dependencies
pkgdatadir = $(datadir)/@PACKAGE@
bin_PROGRAMS = wxcopy wxpaste wdwrite getstyle setstyle seticons geticonset wmsetbg
bin_PROGRAMS = wxcopy wxpaste wdwrite getstyle setstyle seticons geticonset wmsetbg wmsetup wmagnify
bin_SCRIPTS = wmaker.inst wm-oldmenu2new wsetfont wkdemenu.pl
@@ -11,7 +11,8 @@ EXTRA_DIST = wmaker.inst.in bughint wm-oldmenu2new wsetfont directjpeg.c \
wkdemenu.pl
INCLUDES = $(DFLAGS) -I$(top_srcdir)/WINGs -I$(top_srcdir)/wrlib \
@HEADER_SEARCH_PATH@
@HEADER_SEARCH_PATH@ \
-DETCDIR=\"sysconfdir\" -DDATADIR=\"pkgdatadir\"
# X_EXTRA_LIBS is for libproplist in systems that need -lsocket
liblist= @LIBRARY_SEARCH_PATH@ @LIBPL@ @X_EXTRA_LIBS@
@@ -30,28 +31,26 @@ seticons_LDADD= $(liblist)
geticonset_LDADD= $(liblist)
wmsetbg_LDADD = \
wmagnify_LDADD = \
$(top_builddir)/WINGs/libWINGs.a \
$(top_builddir)/wrlib/libwraster.la \
@LIBRARY_SEARCH_PATH@ \
@LIBPL@ \
@GFXLIBS@ @XLIBS@ @DLLIBS@ -lm
getstyle_SOURCES = getstyle.c
wmsetup_LDADD = \
$(top_builddir)/WINGs/libWINGs.a \
$(top_builddir)/wrlib/libwraster.la \
@LIBRARY_SEARCH_PATH@ \
@LIBPL@ \
@GFXLIBS@ @XLIBS@ @DLLIBS@ -lm
setstyle_SOURCES = setstyle.c
seticons_SOURCES = seticons.c
geticonset_SOURCES = geticonset.c
wxcopy_SOURCES = wxcopy.c
wxpaste_SOURCES = wxpaste.c
wdwrite_SOURCES = wdwrite.c
wmsetbg_SOURCES = wmsetbg.c
wmsetbg_LDADD = \
$(top_builddir)/WINGs/libWINGs.a \
$(top_builddir)/wrlib/libwraster.la \
@LIBRARY_SEARCH_PATH@ \
@LIBPL@ \
@GFXLIBS@ @XLIBS@ @DLLIBS@ -lm
CLEANFILES = wmaker.inst

3
util/README
View File

@@ -33,4 +33,7 @@ wdwrite- write data into the defaults database (configuration files).
wsetfont- set locale the fonts needed for a specific locale for Window Maker
wmagnify- a program to magnify the area near the mouse pointer,
with real-time update
wkdemenu.pl- convert a KDE menu into a wmaker menu (for pipe)

435
util/wmagnify.c Normal file
View File

@@ -0,0 +1,435 @@
/*
* magnify - a X utility for magnifying screen image
*
* 2000/5/21 Alfredo K. Kojima
*
* This program is in the Public Domain.
*/
#include <X11/Xproto.h>
#include <WINGs.h>
#include <stdlib.h>
#include <stdio.h>
int refreshrate = 200;
typedef struct {
Drawable d;
XRectangle *rects;
int rectP;
unsigned long lastpixel;
unsigned long *buffer;
int width, height;
int magfactor;
WMWindow *win;
WMLabel *label;
WMPixmap *pixmap;
int x, y;
Bool frozen;
WMHandlerID tid;
} BufferData;
static BufferData *newWindow(int magfactor);
int windowCount = 0;
int rectBufferSize = 32;
Display *dpy;
WMScreen *scr;
unsigned int black;
#ifndef __GNUC__
#define inline
#endif
static BufferData*
makeBufferData(WMWindow *win, WMLabel *label, int width, int height,
int magfactor)
{
BufferData *data;
data = wmalloc(sizeof(BufferData));
data->magfactor = magfactor;
data->rects = wmalloc(sizeof(XRectangle)*rectBufferSize);
data->rectP = 0;
data->win = win;
data->label = label;
data->pixmap = WMCreatePixmap(scr, width, height,
WMScreenDepth(scr), False);
WMSetLabelImage(data->label, data->pixmap);
data->d = WMGetPixmapXID(data->pixmap);
data->frozen = False;
width /= magfactor;
height /= magfactor;
data->buffer = wmalloc(sizeof(unsigned long)*width*height);
memset(data->buffer, 0, width*height*sizeof(unsigned long));
data->width = width;
data->height = height;
return data;
}
static void
resizeBufferData(BufferData *data, int width, int height, int magfactor)
{
int w = width/magfactor;
int h = height/magfactor;
data->magfactor = magfactor;
data->buffer = wrealloc(data->buffer, sizeof(unsigned long)*w*h);
data->width = w;
data->height = h;
memset(data->buffer, 0, w*h*sizeof(unsigned long));
WMResizeWidget(data->label, width, height);
WMReleasePixmap(data->pixmap);
data->pixmap = WMCreatePixmap(scr, width, height, WMScreenDepth(scr),
False);
WMSetLabelImage(data->label, data->pixmap);
data->d = WMGetPixmapXID(data->pixmap);
}
static int
drawpoint(BufferData *data, unsigned long pixel, int x, int y)
{
static GC gc = NULL;
if (data->buffer[x+data->width*y] == pixel)
return 0;
data->buffer[x+data->width*y] = pixel;
if (gc == NULL) {
gc = XCreateGC(dpy, DefaultRootWindow(dpy), 0, NULL);
}
if (data->lastpixel == pixel && data->rectP < rectBufferSize) {
data->rects[data->rectP].x = x*data->magfactor;
data->rects[data->rectP].y = y*data->magfactor;
data->rects[data->rectP].width = data->magfactor;
data->rects[data->rectP].height = data->magfactor;
data->rectP++;
return 0;
}
XSetForeground(dpy, gc, data->lastpixel);
XFillRectangles(dpy, data->d, gc, data->rects, data->rectP);
data->rectP = 0;
data->rects[data->rectP].x = x*data->magfactor;
data->rects[data->rectP].y = y*data->magfactor;
data->rects[data->rectP].width = data->magfactor;
data->rects[data->rectP].height = data->magfactor;
data->rectP++;
data->lastpixel = pixel;
return 1;
}
static inline unsigned long
getpix(XImage *image, int x, int y, int xoffs, int yoffs)
{
if (x < xoffs || y < yoffs
|| x >= xoffs + image->width || y >= yoffs + image->height) {
return black;
}
return XGetPixel(image, x-xoffs, y-yoffs);
}
static void
updateImage(BufferData *data, int rx, int ry)
{
int gx, gy, gw, gh;
int x, y;
int xoffs, yoffs;
int changedPixels = 0;
XImage *image;
gw = data->width;
gh = data->height;
gx = rx - gw/2;
gy = ry - gh/2;
xoffs = yoffs = 0;
if (gx < 0) {
xoffs = abs(gx);
gw += gx;
gx = 0;
}
if (gx + gw >= WidthOfScreen(DefaultScreenOfDisplay(dpy))) {
gw = WidthOfScreen(DefaultScreenOfDisplay(dpy)) - gx;
}
if (gy < 0) {
yoffs = abs(gy);
gh += gy;
gy = 0;
}
if (gy + gh >= HeightOfScreen(DefaultScreenOfDisplay(dpy))) {
gh = HeightOfScreen(DefaultScreenOfDisplay(dpy)) - gy;
}
image = XGetImage(dpy, DefaultRootWindow(dpy), gx, gy, gw, gh,
AllPlanes, ZPixmap);
for (y = 0; y < data->height; y++) {
for (x = 0; x < data->width; x++) {
unsigned long pixel;
pixel = getpix(image, x-xoffs, y-yoffs, xoffs, yoffs);
if (drawpoint(data, pixel, x, y))
changedPixels++;
}
}
XDestroyImage(image);
if (changedPixels > 0) {
WMRedisplayWidget(data->label);
}
}
static void
update(void *d)
{
BufferData *data = (BufferData*)d;
Window win;
int rx, ry;
int bla;
unsigned ubla;
if (data->frozen) {
rx = data->x;
ry = data->y;
} else {
XQueryPointer(dpy, DefaultRootWindow(dpy), &win, &win, &rx, &ry,
&bla, &bla, &ubla);
}
updateImage(data, rx, ry);
data->tid = WMAddTimerHandler(refreshrate, update, data);
}
void resizedWindow(void *d, WMNotification *notif)
{
BufferData *data = (BufferData*)d;
WMView *view = (WMView*)WMGetNotificationObject(notif);
WMSize size;
size = WMGetViewSize(view);
resizeBufferData(data, size.width, size.height, data->magfactor);
}
void closeWindow(WMWidget *w, void *d)
{
BufferData *data = (BufferData*)d;
windowCount--;
if (windowCount == 0) {
exit(0);
} else {
WMDeleteTimerHandler(data->tid);
WMDestroyWidget(w);
free(data->buffer);
free(data->rects);
WMReleasePixmap(data->pixmap);
free(data);
}
}
static void
keyHandler(XEvent *event, void *d)
{
BufferData *data = (BufferData*)d;
char buf[32];
KeySym ks;
WMView *view = WMWidgetView(data->win);
WMSize size;
size = WMGetViewSize(view);
if (XLookupString(&event->xkey, buf, 31, &ks, NULL) > 0) {
switch (buf[0]) {
case 'n':
newWindow(data->magfactor);
break;
case 'f':
case ' ':
data->frozen = !data->frozen;
if (data->frozen) {
data->x = event->xkey.x_root;
data->y = event->xkey.y_root;
sprintf(buf, "[Magnify %ix]", data->magfactor);
} else {
sprintf(buf, "Magnify %ix", data->magfactor);
}
WMSetWindowTitle(data->win, buf);
break;
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
resizeBufferData(data, size.width, size.height, buf[0]-'0');
if (data->frozen) {
sprintf(buf, "[Magnify %ix]", data->magfactor);
} else {
sprintf(buf, "Magnify %ix", data->magfactor);
}
WMSetWindowTitle(data->win, buf);
break;
}
}
}
static BufferData*
newWindow(int magfactor)
{
WMWindow *win;
WMLabel *label;
BufferData *data;
char buf[32];
windowCount++;
win = WMCreateWindow(scr, "magnify");
WMResizeWidget(win, 300, 200);
sprintf(buf, "Magnify %ix", magfactor);
WMSetWindowTitle(win, buf);
WMSetViewNotifySizeChanges(WMWidgetView(win), True);
label = WMCreateLabel(win);
WMResizeWidget(label, 300, 200);
WMMoveWidget(label, 0, 0);
WMSetLabelRelief(label, WRSunken);
WMSetLabelImagePosition(label, WIPImageOnly);
data = makeBufferData(win, label, 300, 200, magfactor);
WMCreateEventHandler(WMWidgetView(win), KeyReleaseMask,
keyHandler, data);
WMAddNotificationObserver(resizedWindow, data,
WMViewSizeDidChangeNotification,
WMWidgetView(win));
WMRealizeWidget(win);
WMMapSubwidgets(win);
WMMapWidget(win);
WMSetWindowCloseAction(win, closeWindow, data);
data->tid = WMAddTimerHandler(refreshrate, update, data);
return data;
}
int main(int argc, char **argv)
{
BufferData *data;
int i;
char *display = "";
int magfactor = 2;
#if 0
WMButton *radio, *tradio;
#endif
WMInitializeApplication("Magnify", &argc, argv);
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-display")==0) {
i++;
if (i >= argc)
goto help;
display = argv[i];
} else if (strcmp(argv[i], "-m")==0) {
i++;
if (i >= argc)
goto help;
magfactor = atoi(argv[i]);
if (magfactor < 1 || magfactor > 32) {
printf("%s:invalid magnification factor ``%s''\n", argv[0],
argv[i]);
exit(1);
}
} else if (strcmp(argv[i], "-r")==0) {
i++;
if (i >= argc)
goto help;
refreshrate = atoi(argv[i]);
if (refreshrate < 1) {
printf("%s:invalid refresh rate ``%s''\n", argv[0], argv[i]);
exit(1);
}
} else if (strcmp(argv[i], "-h")==0
|| strcmp(argv[i], "--help")==0) {
help:
printf("Syntax: %s [-display <display>] [-m <number>] [-r <number>]\n",
argv[0]);
puts("-display <display> display that should be used");
puts("-m <number> change magnification factor (default 2)");
puts("-r <number> change refresh delay, in milliseconds (default 200)");
exit(0);
}
}
dpy = XOpenDisplay("");
if (!dpy) {
puts("couldnt open display");
exit(1);
}
/* calculate how many rectangles we can send in a trip to the server */
rectBufferSize = XMaxRequestSize(dpy) - 128;
rectBufferSize /= sizeof(XRectangle);
if (rectBufferSize < 1)
rectBufferSize = 1;
black = BlackPixel(dpy, DefaultScreen(dpy));
scr = WMCreateScreen(dpy, 0);
data = newWindow(magfactor);
WMScreenMainLoop(scr);
return 0;
}