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Simplify alert (GSOD) code. Less intensive use of macros. 

SVN revision: 9539
This commit is contained in:
Kim Woelders 2004-03-31 19:04:23 +00:00
parent b545ac3201
commit 5ec575476b
1 changed files with 224 additions and 189 deletions
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413
src/alert.c
View File

@ -24,7 +24,6 @@
#include "E.h"
static void ShowAlert(char *text);
static void AlertHandleClick(int button);
static int (*IgnoreFunction) (const void *) = NULL;
static const void *IgnoreParams = NULL;
@ -176,6 +175,106 @@ AssignExitFunction(int (*FunctionToAssign) (const void *), const void *params)
EDBUG_RETURN_;
}
#define DRAW_BOX_OUT(mdd, mgc, mwin, mx, my, mw, mh) \
AlertDrawBox(mdd, mgc, mwin, mx, my, mw, mh, \
colorful, cols[0], cols[2], cols[3])
#define DRAW_BOX_IN(mdd, mgc, mwin, mx, my, mw, mh) \
AlertDrawBox(mdd, mgc, mwin, mx, my, mw, mh, \
colorful, cols[2], cols[0], cols[3])
static void
AlertDrawBox(Display * mdd, GC mgc, Window mwin, int mx, int my, int mw, int mh,
int colorful, unsigned long c1, unsigned long c2, unsigned long cb)
{
if (colorful)
{
XSetForeground(mdd, mgc, cb);
XDrawRectangle(mdd, mwin, mgc, mx, my, mw - 1, mh - 1);
XSetForeground(mdd, mgc, c1);
XDrawLine(mdd, mwin, mgc, mx + 1, my + 1, mx + mw - 3, my + 1);
XDrawLine(mdd, mwin, mgc, mx + 1, my + 1, mx + 1, my + mh - 3);
XSetForeground(mdd, mgc, c2);
XDrawLine(mdd, mwin, mgc, mx + 2, my + mh - 2, mx + mw - 2,
my + mh - 2);
XDrawLine(mdd, mwin, mgc, mx + mw - 2, my + 2, mx + mw - 2,
my + mh - 2);
}
else
{
XDrawRectangle(mdd, mwin, mgc, mx, my, mw - 1, mh - 1);
}
}
#define DRAW_THIN_BOX_IN(mdd, mgc, mwin, mx, my, mw, mh) \
AlertDrawThinBoxIn(mdd, mgc, mwin, mx, my, mw, mh, \
colorful, cols[2], cols[0])
static void
AlertDrawThinBoxIn(Display * mdd, GC mgc, Window mwin, int mx, int my, int mw,
int mh, int colorful, unsigned long c1, unsigned long c2)
{
if (colorful)
{
XSetForeground(mdd, mgc, c1);
XDrawLine(mdd, mwin, mgc, mx + 1, my + 1, mx + mw - 3, my + 1);
XDrawLine(mdd, mwin, mgc, mx + 1, my + 1, mx + 1, my + mh - 3);
XSetForeground(mdd, mgc, c2);
XDrawLine(mdd, mwin, mgc, mx + 2, my + mh - 2, mx + mw - 2,
my + mh - 2);
XDrawLine(mdd, mwin, mgc, mx + mw - 2, my + 2, mx + mw - 2,
my + mh - 2);
}
}
#define DRAW_HEADER(mdd, mgc, mwin, mx, my, mstr) \
AlertDrawHeader(mdd, mgc, mwin, mx, my, mstr, \
colorful, cols[2], cols[3], cols[4])
static void
AlertDrawHeader(Display * mdd, GC mgc, Window mwin, int mx, int my,
const char *mstr, int colorful, unsigned long cb,
unsigned long ct1, unsigned long ct2)
{
int len = strlen(mstr);
if (colorful)
{
XSetForeground(mdd, mgc, cb);
XDrawString(mdd, mwin, mgc, mx + 1, my + 1, mstr, len);
XDrawString(mdd, mwin, mgc, mx + 2, my + 1, mstr, len);
XDrawString(mdd, mwin, mgc, mx + 2, my + 2, mstr, len);
XDrawString(mdd, mwin, mgc, mx + 1, my + 2, mstr, len);
XSetForeground(mdd, mgc, ct1);
XDrawString(mdd, mwin, mgc, mx - 1, my, mstr, len);
XDrawString(mdd, mwin, mgc, mx, my - 1, mstr, len);
XDrawString(mdd, mwin, mgc, mx + 1, my, mstr, len);
XDrawString(mdd, mwin, mgc, mx, my + 1, mstr, len);
XSetForeground(mdd, mgc, ct2);
XDrawString(mdd, mwin, mgc, mx, my, mstr, len);
}
else
{
XDrawString(mdd, mwin, mgc, mx, my, mstr, len);
}
}
#define DRAW_STRING(mdd, mgc, mwin, mx, my, mstr) \
AlertDrawString(mdd, mgc, mwin, mx, my, mstr, \
colorful, cols[3])
static void
AlertDrawString(Display * mdd, GC mgc, Window mwin, int mx, int my,
const char *mstr, int colorful, unsigned long ct1)
{
int len = strlen(mstr);
if (colorful)
{
XSetForeground(mdd, mgc, ct1);
XDrawString(mdd, mwin, mgc, mx, my, mstr, len);
}
else
{
XDrawString(mdd, mwin, mgc, mx, my, mstr, len);
}
}
static void
ShowAlert(char *text)
{
@ -190,16 +289,22 @@ ShowAlert(char *text)
Font font;
XSetWindowAttributes att;
char colorful;
unsigned long cols[256];
XColor xcl;
Colormap cmap;
int cols[256];
int cnum, fh, x, y, ww, hh, mh;
static char *title = NULL, *str1 = NULL, *str2 = NULL, *str3 = NULL;
KeyCode key;
int button;
EDBUG(8, "ShowAlert");
if (!text)
EDBUG_RETURN_;
/*
* We may get here from obscure places like an X-error or signal handler
* and things seem to work properly only if we do a new XOpenDisplay().
*/
dd = XOpenDisplay(NULL);
if (!dd)
{
@ -207,6 +312,8 @@ ShowAlert(char *text)
fflush(stderr);
EDBUG_RETURN_;
}
cmap = DefaultColormap(dd, DefaultScreen(dd));
title = TitleText;
str1 = IgnoreText;
str2 = RestartText;
@ -220,109 +327,39 @@ ShowAlert(char *text)
if (!str3)
str3 = _("Exit");
#define DRAW_BOX_OUT(mdd, mgc, mwin, mx, my, mw, mh) \
if (colorful) { \
XSetForeground(mdd, mgc, cols[3]); \
XDrawRectangle(mdd, mwin, mgc, mx, my, mw - 1, mh - 1); \
XSetForeground(mdd, mgc, cols[0]); \
XDrawLine(mdd, mwin, mgc, mx + 1, my + 1, mx + mw - 3, my + 1); \
XDrawLine(mdd, mwin, mgc, mx + 1, my + 1, mx + 1, my + mh - 3); \
XSetForeground(mdd, mgc, cols[2]); \
XDrawLine(mdd, mwin, mgc, mx + 2, my + mh - 2, mx + mw - 2, my + mh - 2); \
XDrawLine(mdd, mwin, mgc, mx + mw - 2, my + 2, mx + mw - 2, my + mh - 2); \
} else { \
XDrawRectangle(mdd, mwin, mgc, mx, my, mw - 1, mh - 1); \
}
#define DRAW_BOX_IN(mdd, mgc, mwin, mx, my, mw, mh) \
if (colorful) { \
XSetForeground(mdd, mgc, cols[3]); \
XDrawRectangle(mdd, mwin, mgc, mx, my, mw - 1, mh - 1); \
XSetForeground(mdd, mgc, cols[2]); \
XDrawLine(mdd, mwin, mgc, mx + 1, my + 1, mx + mw - 3, my + 1); \
XDrawLine(mdd, mwin, mgc, mx + 1, my + 1, mx + 1, my + mh - 3); \
XSetForeground(mdd, mgc, cols[0]); \
XDrawLine(mdd, mwin, mgc, mx + 2, my + mh - 2, mx + mw - 2, my + mh - 2); \
XDrawLine(mdd, mwin, mgc, mx + mw - 2, my + 2, mx + mw - 2, my + mh - 2); \
} else { \
XDrawRectangle(mdd, mwin, mgc, mx, my, mw - 1, mh - 1); \
}
#define DRAW_THIN_BOX_IN(mdd, mgc, mwin, mx, my, mw, mh) \
if (colorful) { \
XSetForeground(mdd, mgc, cols[2]); \
XDrawLine(mdd, mwin, mgc, mx + 1, my + 1, mx + mw - 3, my + 1); \
XDrawLine(mdd, mwin, mgc, mx + 1, my + 1, mx + 1, my + mh - 3); \
XSetForeground(mdd, mgc, cols[0]); \
XDrawLine(mdd, mwin, mgc, mx + 2, my + mh - 2, mx + mw - 2, my + mh - 2); \
XDrawLine(mdd, mwin, mgc, mx + mw - 2, my + 2, mx + mw - 2, my + mh - 2); \
}
#define DRAW_HEADER(mdd, mgc, mwin, mx, my, mstr) \
if (colorful) { \
XSetForeground(mdd, mgc, cols[2]); \
XDrawString(mdd, mwin, mgc, mx + 1, my + 1, mstr, strlen(mstr)); \
XDrawString(mdd, mwin, mgc, mx + 2, my + 1, mstr, strlen(mstr)); \
XDrawString(mdd, mwin, mgc, mx + 2, my + 2, mstr, strlen(mstr)); \
XDrawString(mdd, mwin, mgc, mx + 1, my + 2, mstr, strlen(mstr)); \
XSetForeground(mdd, mgc, cols[3]); \
XDrawString(mdd, mwin, mgc, mx - 1, my, mstr, strlen(mstr)); \
XDrawString(mdd, mwin, mgc, mx, my - 1, mstr, strlen(mstr)); \
XDrawString(mdd, mwin, mgc, mx + 1, my, mstr, strlen(mstr)); \
XDrawString(mdd, mwin, mgc, mx, my + 1, mstr, strlen(mstr)); \
XSetForeground(mdd, mgc, cols[4]); \
XDrawString(mdd, mwin, mgc, mx, my, mstr, strlen(mstr)); \
} else { \
XDrawString(mdd, mwin, mgc, mx, my, mstr, strlen(mstr)); \
}
#define DRAW_STRING(mdd, mgc, mwin, mx, my, mstr) \
if (colorful) { \
XSetForeground(mdd, mgc, cols[3]); \
XDrawString(mdd, mwin, mgc, mx, my, mstr, strlen(mstr)); \
} else { \
XDrawString(mdd, mwin, mgc, mx, my, mstr, strlen(mstr)); \
}
#define ALLOC_COLOR(d,m,c) \
if (!XAllocColor(d, m, c)) \
{ \
colorful = 0; \
goto CN; \
}
cnum = 0;
cmap = 0;
colorful = 0;
if (DefaultDepth(dd, DefaultScreen(dd)) > 4)
colorful = 1;
if (colorful)
{
cmap = DefaultColormap(dd, DefaultScreen(dd));
ESetColor(&xcl, 220, 220, 220);
ALLOC_COLOR(dd, cmap, &xcl);
if (!XAllocColor(dd, cmap, &xcl))
goto CN;
cols[cnum++] = xcl.pixel;
ESetColor(&xcl, 160, 160, 160);
ALLOC_COLOR(dd, cmap, &xcl);
if (!XAllocColor(dd, cmap, &xcl))
goto CN;
cols[cnum++] = xcl.pixel;
ESetColor(&xcl, 100, 100, 100);
ALLOC_COLOR(dd, cmap, &xcl);
if (!XAllocColor(dd, cmap, &xcl))
goto CN;
cols[cnum++] = xcl.pixel;
ESetColor(&xcl, 0, 0, 0);
ALLOC_COLOR(dd, cmap, &xcl);
if (!XAllocColor(dd, cmap, &xcl))
goto CN;
cols[cnum++] = xcl.pixel;
ESetColor(&xcl, 255, 255, 255);
ALLOC_COLOR(dd, cmap, &xcl);
if (!XAllocColor(dd, cmap, &xcl))
goto CN;
cols[cnum++] = xcl.pixel;
colorful = 1;
}
CN:
wid = DisplayWidth(dd, DefaultScreen(dd));
hih = DisplayHeight(dd, DefaultScreen(dd));
w = (wid - 600) / 2;
h = (hih - 440) / 2;
mask =
CWBackPixel | CWBorderPixel | CWOverrideRedirect | CWSaveUnder |
CWBackingStore;
if (colorful)
att.background_pixel = cols[1];
else
@ -334,10 +371,11 @@ goto CN; \
att.backing_store = Always;
att.save_under = True;
att.override_redirect = True;
win =
XCreateWindow(dd, DefaultRootWindow(dd), -100, -100, 1, 1, 0,
DefaultDepth(dd, DefaultScreen(dd)), InputOutput,
DefaultVisual(dd, DefaultScreen(dd)), mask, &att);
mask = CWBackPixel | CWBorderPixel | CWOverrideRedirect | CWSaveUnder |
CWBackingStore;
win = XCreateWindow(dd, DefaultRootWindow(dd), -100, -100, 1, 1, 0,
DefaultDepth(dd, DefaultScreen(dd)), InputOutput,
DefaultVisual(dd, DefaultScreen(dd)), mask, &att);
if (sscanf(str1, "%s", line) > 0)
{
@ -369,23 +407,23 @@ goto CN; \
fh = 0;
xfs = NULL;
if (!xfs)
{
xfs = XLoadQueryFont(dd, "-*-helvetica-*-r-*-*-12-*-*-*-*-*-*-*");
}
xfs = XLoadQueryFont(dd, "-*-helvetica-*-r-*-*-12-*-*-*-*-*-*-*");
if (!xfs)
{
xfs = XLoadQueryFont(dd, "fixed");
}
xfs = XLoadQueryFont(dd, "fixed");
font = xfs->fid;
fh = xfs->ascent + xfs->descent;
XSetFont(dd, gc, font);
XSelectInput(dd, win, KeyPressMask | KeyReleaseMask | ExposureMask);
XMapWindow(dd, win);
XGrabPointer(dd, win, True, ButtonPressMask | ButtonReleaseMask,
GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
XGrabKeyboard(dd, win, True, GrabModeAsync, GrabModeAsync, CurrentTime);
XSetInputFocus(dd, win, RevertToPointerRoot, CurrentTime);
XGrabServer(dd);
XSync(dd, False);
for (i = 0; i < 600; i += 40)
{
ww = i;
@ -436,56 +474,9 @@ goto CN; \
ButtonPressMask | ButtonReleaseMask | ExposureMask);
}
XSync(dd, False);
XSelectInput(dd, win, KeyPressMask | KeyReleaseMask | ExposureMask);
#define DRAW_ALERT \
w = XTextWidth(xfs, title, strlen(title)); \
DRAW_HEADER(dd, gc, win, (600 - w) / 2, 5 + xfs->ascent, title); \
DRAW_BOX_OUT(dd, gc, win, 0, 0, ww, fh + 10); \
DRAW_BOX_OUT(dd, gc, win, 0, fh + 10 - 1, ww, hh - fh - fh - 30 + 2); \
DRAW_BOX_OUT(dd, gc, win, 0, 440 - fh - 20, ww, fh + 20); \
i = 0; \
j = 0; \
k = fh + 10; \
while (text[i]) { \
line[j++] = text[i++]; \
if (line[j - 1] == '\n') { \
line[j - 1] = 0; \
j = 0; \
DRAW_STRING(dd, gc, win, 6, 6 + k + fh, line); \
k += fh + 2; \
} \
} \
if (sscanf(str1, "%s", line) > 0) \
{ \
h = XTextWidth(xfs, str1, strlen(str1)); \
w = 10 + (((580 - mh) * 0) / 4); \
DRAW_HEADER(dd, gc, b1, 5 + (mh - h) / 2, fh + 5 - xfs->descent, str1); \
DRAW_BOX_OUT(dd, gc, b1, 0, 0, mh + 10, fh + 10); \
DRAW_THIN_BOX_IN(dd, gc, win, w - 7, 440 - 17 - fh, mh + 14, fh + 14); \
} \
if (sscanf(str2, "%s", line) > 0) \
{ \
h = XTextWidth(xfs, str2, strlen(str2)); \
w = 10 + (((580 - mh) * 1) / 2); \
DRAW_HEADER(dd, gc, b2, 5 + (mh - h) / 2, fh + 5 - xfs->descent, str2); \
DRAW_BOX_OUT(dd, gc, b2, 0, 0, mh + 10, fh + 10); \
DRAW_THIN_BOX_IN(dd, gc, win, w - 7, 440 - 17 - fh, mh + 14, fh + 14); \
} \
if (sscanf(str3, "%s", line) > 0) \
{ \
h = XTextWidth(xfs, str3, strlen(str3)); \
w = 10 + (((580 - mh) * 2) / 2); \
DRAW_HEADER(dd, gc, b3, 5 + (mh - h) / 2, fh + 5 - xfs->descent, str3); \
DRAW_BOX_OUT(dd, gc, b3, 0, 0, mh + 10, fh + 10); \
DRAW_THIN_BOX_IN(dd, gc, win, w - 7, 440 - 17 - fh, mh + 14, fh + 14); \
XSync(dd, False); \
}
DRAW_ALERT;
w = 1;
while (w == 1)
button = 0;
for (; button == 0;)
{
XNextEvent(dd, &ev);
switch (ev.type)
@ -498,9 +489,8 @@ XSync(dd, False); \
XSync(dd, False);
sleep(1);
DRAW_BOX_OUT(dd, gc, b1, 0, 0, mh + 10, fh + 10);
XSync(dd, False);
AlertHandleClick(1);
w = 0;
button = 1;
break;
}
key = XKeysymToKeycode(dd, XStringToKeysym("F2"));
if (key == ev.xkey.keycode)
@ -509,9 +499,8 @@ XSync(dd, False); \
XSync(dd, False);
sleep(1);
DRAW_BOX_OUT(dd, gc, b2, 0, 0, mh + 10, fh + 10);
XSync(dd, False);
AlertHandleClick(2);
w = 0;
button = 2;
break;
}
key = XKeysymToKeycode(dd, XStringToKeysym("F3"));
if (key == ev.xkey.keycode)
@ -520,11 +509,12 @@ XSync(dd, False); \
XSync(dd, False);
sleep(1);
DRAW_BOX_OUT(dd, gc, b3, 0, 0, mh + 10, fh + 10);
XSync(dd, False);
AlertHandleClick(3);
w = 0;
button = 3;
break;
}
XSync(dd, False);
break;
case ButtonPress:
if (ev.xbutton.window == b1)
{
@ -538,70 +528,115 @@ XSync(dd, False); \
{
DRAW_BOX_IN(dd, gc, b3, 0, 0, mh + 10, fh + 10);
}
w = 1;
XSync(dd, False);
break;
case ButtonRelease:
if (ev.xbutton.window == b1)
{
DRAW_BOX_OUT(dd, gc, b1, 0, 0, mh + 10, fh + 10);
XSync(dd, False);
AlertHandleClick(1);
w = 0;
button = 1;
}
else if (ev.xbutton.window == b2)
{
DRAW_BOX_OUT(dd, gc, b2, 0, 0, mh + 10, fh + 10);
XSync(dd, False);
AlertHandleClick(2);
w = 0;
button = 2;
}
else if (ev.xbutton.window == b3)
{
DRAW_BOX_OUT(dd, gc, b3, 0, 0, mh + 10, fh + 10);
XSync(dd, False);
AlertHandleClick(3);
w = 0;
button = 3;
}
XSync(dd, False);
break;
case Expose:
DRAW_ALERT;
w = 1;
/* Flush all other Expose events */
while (XCheckTypedWindowEvent(dd, ev.xexpose.window, Expose, &ev))
w = XTextWidth(xfs, title, strlen(title));
DRAW_HEADER(dd, gc, win, (600 - w) / 2, 5 + xfs->ascent, title);
DRAW_BOX_OUT(dd, gc, win, 0, 0, ww, fh + 10);
DRAW_BOX_OUT(dd, gc, win, 0, fh + 10 - 1, ww,
hh - fh - fh - 30 + 2);
DRAW_BOX_OUT(dd, gc, win, 0, 440 - fh - 20, ww, fh + 20);
i = 0;
j = 0;
k = fh + 10;
while (text[i])
{
line[j++] = text[i++];
if (line[j - 1] == '\n')
{
line[j - 1] = 0;
j = 0;
DRAW_STRING(dd, gc, win, 6, 6 + k + fh, line);
k += fh + 2;
}
}
if (sscanf(str1, "%s", line) > 0)
{
h = XTextWidth(xfs, str1, strlen(str1));
w = 10 + (((580 - mh) * 0) / 4);
DRAW_HEADER(dd, gc, b1, 5 + (mh - h) / 2,
fh + 5 - xfs->descent, str1);
DRAW_BOX_OUT(dd, gc, b1, 0, 0, mh + 10, fh + 10);
DRAW_THIN_BOX_IN(dd, gc, win, w - 7, 440 - 17 - fh, mh + 14,
fh + 14);
}
if (sscanf(str2, "%s", line) > 0)
{
h = XTextWidth(xfs, str2, strlen(str2));
w = 10 + (((580 - mh) * 1) / 2);
DRAW_HEADER(dd, gc, b2, 5 + (mh - h) / 2,
fh + 5 - xfs->descent, str2);
DRAW_BOX_OUT(dd, gc, b2, 0, 0, mh + 10, fh + 10);
DRAW_THIN_BOX_IN(dd, gc, win, w - 7, 440 - 17 - fh, mh + 14,
fh + 14);
}
if (sscanf(str3, "%s", line) > 0)
{
h = XTextWidth(xfs, str3, strlen(str3));
w = 10 + (((580 - mh) * 2) / 2);
DRAW_HEADER(dd, gc, b3, 5 + (mh - h) / 2,
fh + 5 - xfs->descent, str3);
DRAW_BOX_OUT(dd, gc, b3, 0, 0, mh + 10, fh + 10);
DRAW_THIN_BOX_IN(dd, gc, win, w - 7, 440 - 17 - fh, mh + 14,
fh + 14);
}
XSync(dd, False);
break;
default:
break;
}
}
switch (button)
{
case 1:
if (IgnoreFunction)
IgnoreFunction(IgnoreParams);
break;
case 2:
if (RestartFunction)
RestartFunction(RestartParams);
break;
case 3:
if (ExitFunction)
ExitFunction(ExitParams);
break;
default:
break;
}
XDestroyWindow(dd, win);
XFreeGC(dd, gc);
XFreeFont(dd, xfs);
XUnloadFont(dd, font);
if (cnum > 0)
XFreeColors(dd, cmap, (unsigned long *)cols, cnum, 0);
XFreeColors(dd, cmap, cols, cnum, 0);
XCloseDisplay(dd);
EDBUG_RETURN_;
}
static void
AlertHandleClick(int button)
{
EDBUG(9, "AlertHandleClick");
switch (button)
{
case 1:
if (IgnoreFunction)
(*(IgnoreFunction)) (IgnoreParams);
break;
case 2:
if (RestartFunction)
(*(RestartFunction)) (RestartParams);
break;
case 3:
if (ExitFunction)
(*(ExitFunction)) (ExitParams);
break;
default:
break;
}
EDBUG_RETURN_;
}