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apc_misc.c
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/*-
* Copyright (c) 1997-2002 The Protein Laboratory, University of Copenhagen
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
*/
/***********************************************************/
/* */
/* System dependent miscellaneous routines (unix, x11) */
/* */
/***********************************************************/
#include <apricot.h>
#include <sys/stat.h>
#include "unix/guts.h"
#include "Application.h"
#include "File.h"
#include "Icon.h"
#define XK_MISCELLANY
#include <X11/keysymdef.h>
/* Miscellaneous system-dependent functions */
#define X_COLOR_TO_RGB(xc) (ARGB(((xc).red>>8),((xc).green>>8),((xc).blue>>8)))
#define RANGE(a) { if ((a) < -16383) (a) = -16383; else if ((a) > 16383) a = 16383; }
#define RANGE2(a,b) RANGE(a) RANGE(b)
Bool
log_write( const char *format, ...)
{
return false;
}
static XrmQuark
get_class_quark( const char *name)
{
XrmQuark quark;
char *s, *t;
t = s = prima_normalize_resource_string( duplicate_string( name), true);
if ( t && *t == 'P' && strncmp( t, "Prima__", 7) == 0)
s = t + 7;
if ( s && *s == 'A' && strcmp( s, "Application") == 0)
strcpy( s, "Prima"); /* we have enough space */
quark = XrmStringToQuark( s);
free( t);
return quark;
}
static XrmQuark
get_instance_quark( const char *name)
{
XrmQuark quark;
char *s;
s = duplicate_string( name);
quark = XrmStringToQuark( prima_normalize_resource_string( s, false));
free( s);
return quark;
}
static Bool
update_quarks_cache( Handle self)
{
PComponent me = PComponent( self);
XrmQuark qClass, qInstance;
int n;
DEFXX;
PDrawableSysData UU;
if (!XX)
return false;
qClass = get_class_quark( self == application ? "Prima" : me-> self-> className);
qInstance = get_instance_quark( me-> name ? me-> name : "noname");
free( XX-> q_class_name); XX-> q_class_name = nil;
free( XX-> q_instance_name); XX-> q_instance_name = nil;
if ( me-> owner && me-> owner != self && PComponent(me-> owner)-> sysData && X(PComponent( me-> owner))-> q_class_name) {
UU = X(PComponent( me-> owner));
XX-> n_class_name = n = UU-> n_class_name + 1;
if (( XX-> q_class_name = malloc( sizeof( XrmQuark) * (n + 3))))
memcpy( XX-> q_class_name, UU-> q_class_name, sizeof( XrmQuark) * n);
XX-> q_class_name[n-1] = qClass;
XX-> n_instance_name = n = UU-> n_instance_name + 1;
if (( XX-> q_instance_name = malloc( sizeof( XrmQuark) * (n + 3))))
memcpy( XX-> q_instance_name, UU-> q_instance_name, sizeof( XrmQuark) * n);
XX-> q_instance_name[n-1] = qInstance;
} else {
XX-> n_class_name = n = 1;
if (( XX-> q_class_name = malloc( sizeof( XrmQuark) * (n + 3))))
XX-> q_class_name[n-1] = qClass;
XX-> n_instance_name = n = 1;
if (( XX-> q_instance_name = malloc( sizeof( XrmQuark) * (n + 3))))
XX-> q_instance_name[n-1] = qInstance;
}
return true;
}
int
unix_rm_get_int( Handle self, XrmQuark class_detail, XrmQuark name_detail, int default_value)
{
DEFXX;
XrmRepresentation type;
XrmValue value;
long int r;
char *end;
if ( XX && guts.db && XX-> q_class_name && XX-> q_instance_name) {
XX-> q_class_name[XX-> n_class_name] = class_detail;
XX-> q_class_name[XX-> n_class_name + 1] = 0;
XX-> q_instance_name[XX-> n_instance_name] = name_detail;
XX-> q_instance_name[XX-> n_instance_name + 1] = 0;
if ( XrmQGetResource( guts.db,
XX-> q_instance_name,
XX-> q_class_name,
&type, &value)) {
if ( type == guts.qString) {
r = strtol((char *)value. addr, &end, 0);
if (*(value. addr) && !*end)
return (int)r;
}
}
}
return default_value;
}
Bool
apc_fetch_resource( const char *className, const char *name,
const char *resClass, const char *res,
Handle owner, int resType,
void *result)
{
PDrawableSysData XX;
XrmQuark *classes, *instances, backup_classes[3], backup_instances[3];
XrmRepresentation type;
XrmValue value;
int nc, ni;
char *s;
XColor clr;
if ( owner == nilHandle) {
classes = backup_classes;
instances = backup_instances;
nc = ni = 0;
} else {
if (!update_quarks_cache( owner)) return false;
XX = X(owner);
if (!XX) return false;
classes = XX-> q_class_name;
instances = XX-> q_instance_name;
if ( classes == nil || instances == nil) return false;
nc = XX-> n_class_name;
ni = XX-> n_instance_name;
}
classes[nc++] = get_class_quark( className);
instances[ni++] = get_instance_quark( name);
classes[nc++] = get_class_quark( resClass);
instances[ni++] = get_instance_quark( res);
classes[nc] = 0;
instances[ni] = 0;
if (guts. debug & DEBUG_XRDB) {
int i;
_debug( "misc: inst: ");
for ( i = 0; i < ni; i++) {
_debug( "%s ", XrmQuarkToString( instances[i]));
}
_debug( "\nmisc: class: ");
for ( i = 0; i < nc; i++) {
_debug( "%s ", XrmQuarkToString( classes[i]));
}
_debug( "\n");
}
if ( XrmQGetResource( guts.db,
instances,
classes,
&type, &value)) {
if ( type == guts.qString) {
s = (char *)value.addr;
Xdebug("found %s\n", s);
switch ( resType) {
case frString:
*((char**)result) = duplicate_string( s);
break;
case frColor:
if (!XParseColor( DISP, DefaultColormap( DISP, SCREEN), s, &clr))
return false;
*((Color*)result) = X_COLOR_TO_RGB(clr);
Xdebug("color: %06x\n", *((Color*)result));
break;
case frFont:
prima_font_pp2font( s, ( Font *) result);
#define DEBUG_FONT(font) font.height,font.width,font.size,font.name,font.encoding
Xdebug("font: %d.[w=%d,s=%d].%s.%s\n", DEBUG_FONT((*(( Font *) result))));
break;
case frUnix_int:
*((int*)result) = atoi( s);
Xdebug("int: %d\n", *((int*)result));
break;
default:
return false;
}
return true;
}
}
return false;
}
Color
apc_lookup_color( const char * colorName)
{
char buf[ 256];
char *b;
int len;
XColor clr;
if ( DISP && XParseColor( DISP, DefaultColormap( DISP, SCREEN), colorName, &clr))
return X_COLOR_TO_RGB(clr);
#define xcmp( name, stlen, retval) if (( len == stlen) && ( strcmp( name, buf) == 0)) return retval
strncpy( buf, colorName, 256);
len = strlen( buf);
for ( b = buf; *b; b++) *b = tolower(*b);
switch( buf[0]) {
case 'a':
xcmp( "aqua", 4, 0x00FFFF);
xcmp( "azure", 5, ARGB(240,255,255));
break;
case 'b':
xcmp( "black", 5, 0x000000);
xcmp( "blanchedalmond", 14, ARGB( 255,235,205));
xcmp( "blue", 4, 0x000080);
xcmp( "brown", 5, 0x808000);
xcmp( "beige", 5, ARGB(245,245,220));
break;
case 'c':
xcmp( "cyan", 4, 0x008080);
xcmp( "chocolate", 9, ARGB(210,105,30));
break;
case 'd':
xcmp( "darkgray", 8, 0x404040);
break;
case 'e':
break;
case 'f':
xcmp( "fuchsia", 7, 0xFF00FF);
break;
case 'g':
xcmp( "green", 5, 0x008000);
xcmp( "gray", 4, 0x808080);
xcmp( "gray80", 6, ARGB(204,204,204));
xcmp( "gold", 4, ARGB(255,215,0));
break;
case 'h':
xcmp( "hotpink", 7, ARGB(255,105,180));
break;
case 'i':
xcmp( "ivory", 5, ARGB(255,255,240));
break;
case 'j':
break;
case 'k':
xcmp( "khaki", 5, ARGB(240,230,140));
break;
case 'l':
xcmp( "lime", 4, 0x00FF00);
xcmp( "lightgray", 9, 0xC0C0C0);
xcmp( "lightblue", 9, 0x0000FF);
xcmp( "lightgreen", 10, 0x00FF00);
xcmp( "lightcyan", 9, 0x00FFFF);
xcmp( "lightmagenta", 12, 0xFF00FF);
xcmp( "lightred", 8, 0xFF0000);
xcmp( "lemon", 5, ARGB(255,250,205));
break;
case 'm':
xcmp( "maroon", 6, 0x800000);
xcmp( "magenta", 7, 0x800080);
break;
case 'n':
xcmp( "navy", 4, 0x000080);
break;
case 'o':
xcmp( "olive", 5, 0x808000);
xcmp( "orange", 6, ARGB(255,165,0));
break;
case 'p':
xcmp( "purple", 6, 0x800080);
xcmp( "peach", 5, ARGB(255,218,185));
xcmp( "peru", 4, ARGB(205,133,63));
xcmp( "pink", 4, ARGB(255,192,203));
xcmp( "plum", 4, ARGB(221,160,221));
break;
case 'q':
break;
case 'r':
xcmp( "red", 3, 0x800000);
xcmp( "royalblue", 9, ARGB(65,105,225));
break;
case 's':
xcmp( "silver", 6, 0xC0C0C0);
xcmp( "sienna", 6, ARGB(160,82,45));
break;
case 't':
xcmp( "teal", 4, 0x008080);
xcmp( "turquoise", 9, ARGB(64,224,208));
xcmp( "tan", 3, ARGB(210,180,140));
xcmp( "tomato", 6, ARGB(255,99,71));
break;
case 'u':
break;
case 'w':
xcmp( "white", 5, 0xFFFFFF);
xcmp( "wheat", 5, ARGB(245,222,179));
break;
case 'v':
xcmp( "violet", 6, ARGB(238,130,238));
break;
case 'x':
break;
case 'y':
xcmp( "yellow", 6, 0xFFFF00);
break;
case 'z':
break;
}
#undef xcmp
return clInvalid;
}
/* Component-related functions */
Bool
apc_component_create( Handle self)
{
if ( !PComponent( self)-> sysData) {
if ( !( PComponent( self)-> sysData = malloc( sizeof( UnixSysData))))
return false;
bzero( PComponent( self)-> sysData, sizeof( UnixSysData));
((PUnixSysData)(PComponent(self)->sysData))->component. self = self;
}
return true;
}
Bool
apc_component_destroy( Handle self)
{
DEFXX;
if ( XX-> q_instance_name) {
free( XX-> q_instance_name);
XX-> q_instance_name = nil;
}
if ( XX-> q_class_name) {
free( XX-> q_class_name);
XX-> q_class_name = nil;
}
free( PComponent( self)-> sysData);
PComponent( self)-> sysData = nil;
X_WINDOW = nilHandle;
return true;
}
Bool
apc_component_fullname_changed_notify( Handle self)
{
Handle *list;
PComponent me = PComponent( self);
int i, n;
if ( self == nilHandle) return false;
if (!update_quarks_cache( self)) return false;
if ( me-> components && (n = me-> components-> count) > 0) {
if ( !( list = allocn( Handle, n))) return false;
memcpy( list, me-> components-> items, sizeof( Handle) * n);
for ( i = 0; i < n; i++) {
apc_component_fullname_changed_notify( list[i]);
}
free( list);
}
return true;
}
/* Cursor support */
void
prima_no_cursor( Handle self)
{
if ( self && guts.focused == self && X(self)
&& !(XF_IN_PAINT(X(self)))
&& X(self)-> flags. cursor_visible
&& guts. cursor_save)
{
DEFXX;
int x, y, w, h;
h = XX-> cursor_size. y;
y = XX-> size. y - (h + XX-> cursor_pos. y);
x = XX-> cursor_pos. x;
w = XX-> cursor_size. x;
prima_get_gc( XX);
XChangeGC( DISP, XX-> gc, VIRGIN_GC_MASK, &guts. cursor_gcv);
XCHECKPOINT;
XCopyArea( DISP, guts. cursor_save, XX-> udrawable, XX-> gc,
0, 0, w, h, x, y);
XCHECKPOINT;
prima_release_gc( XX);
guts. cursor_shown = false;
}
}
void
prima_update_cursor( Handle self)
{
if (
guts.focused == self
&& !(XF_IN_PAINT(X(self)))
) {
DEFXX;
int x, y, w, h;
h = XX-> cursor_size. y;
y = XX-> size. y - (h + XX-> cursor_pos. y);
x = XX-> cursor_pos. x;
w = XX-> cursor_size. x;
if ( !guts. cursor_save || !guts. cursor_xor
|| w > guts. cursor_pixmap_size. x
|| h > guts. cursor_pixmap_size. y)
{
if ( !guts. cursor_save) {
guts. cursor_gcv. background = 0;
guts. cursor_gcv. foreground = 0xffffffff;
}
if ( guts. cursor_save) {
XFreePixmap( DISP, guts. cursor_save);
guts. cursor_save = 0;
}
if ( guts. cursor_xor) {
XFreePixmap( DISP, guts. cursor_xor);
guts. cursor_xor = 0;
}
if ( guts. cursor_pixmap_size. x < w)
guts. cursor_pixmap_size. x = w;
if ( guts. cursor_pixmap_size. y < h)
guts. cursor_pixmap_size. y = h;
if ( guts. cursor_pixmap_size. x < 16)
guts. cursor_pixmap_size. x = 16;
if ( guts. cursor_pixmap_size. y < 64)
guts. cursor_pixmap_size. y = 64;
guts. cursor_save = XCreatePixmap( DISP, XX-> udrawable,
guts. cursor_pixmap_size. x,
guts. cursor_pixmap_size. y,
guts. depth);
guts. cursor_xor = XCreatePixmap( DISP, XX-> udrawable,
guts. cursor_pixmap_size. x,
guts. cursor_pixmap_size. y,
guts. depth);
}
prima_get_gc( XX);
XChangeGC( DISP, XX-> gc, VIRGIN_GC_MASK, &guts. cursor_gcv);
XCHECKPOINT;
XCopyArea( DISP, XX-> udrawable, guts. cursor_save, XX-> gc,
x, y, w, h, 0, 0);
XCHECKPOINT;
XCopyArea( DISP, guts. cursor_save, guts. cursor_xor, XX-> gc,
0, 0, w, h, 0, 0);
XCHECKPOINT;
XSetFunction( DISP, XX-> gc, GXxor);
XCHECKPOINT;
XFillRectangle( DISP, guts. cursor_xor, XX-> gc, 0, 0, w, h);
XCHECKPOINT;
prima_release_gc( XX);
if ( XX-> flags. cursor_visible) {
guts. cursor_shown = false;
prima_cursor_tick();
} else {
apc_timer_stop( CURSOR_TIMER);
}
}
}
void
prima_cursor_tick( void)
{
if (
guts. focused &&
X(guts. focused)-> flags. cursor_visible &&
!(XF_IN_PAINT(X(guts. focused)))
) {
PDrawableSysData selfxx = X(guts. focused);
Pixmap pixmap;
int x, y, w, h;
if ( guts. cursor_shown) {
guts. cursor_shown = false;
apc_timer_set_timeout( CURSOR_TIMER, guts. invisible_timeout);
pixmap = guts. cursor_save;
} else {
guts. cursor_shown = true;
apc_timer_set_timeout( CURSOR_TIMER, guts. visible_timeout);
pixmap = guts. cursor_xor;
}
h = XX-> cursor_size. y;
y = XX-> size. y - (h + XX-> cursor_pos. y);
x = XX-> cursor_pos. x;
w = XX-> cursor_size. x;
prima_get_gc( XX);
XChangeGC( DISP, XX-> gc, VIRGIN_GC_MASK, &guts. cursor_gcv);
XCHECKPOINT;
XCopyArea( DISP, pixmap, XX-> udrawable, XX-> gc, 0, 0, w, h, x, y);
XCHECKPOINT;
prima_release_gc( XX);
XFlush( DISP);
XCHECKPOINT;
} else {
apc_timer_stop( CURSOR_TIMER);
guts. cursor_shown = !guts. cursor_shown;
}
}
Bool
apc_cursor_set_pos( Handle self, int x, int y)
{
DEFXX;
prima_no_cursor( self);
RANGE2(x,y);
XX-> cursor_pos. x = x;
XX-> cursor_pos. y = y;
prima_update_cursor( self);
return true;
}
Bool
apc_cursor_set_size( Handle self, int x, int y)
{
DEFXX;
prima_no_cursor( self);
if ( x < 0) x = 1;
if ( y < 0) y = 1;
if ( x > 16383) x = 16383;
if ( y > 16383) y = 16383;
XX-> cursor_size. x = x;
XX-> cursor_size. y = y;
prima_update_cursor( self);
return true;
}
Bool
apc_cursor_set_visible( Handle self, Bool visible)
{
DEFXX;
if ( XX-> flags. cursor_visible != visible) {
prima_no_cursor( self);
XX-> flags. cursor_visible = visible;
prima_update_cursor( self);
}
return true;
}
Point
apc_cursor_get_pos( Handle self)
{
return X(self)-> cursor_pos;
}
Point
apc_cursor_get_size( Handle self)
{
return X(self)-> cursor_size;
}
Bool
apc_cursor_get_visible( Handle self)
{
return X(self)-> flags. cursor_visible;
}
/* File */
void
prima_rebuild_watchers( void)
{
int i;
PFile f;
FD_ZERO( &guts.read_set);
FD_ZERO( &guts.write_set);
FD_ZERO( &guts.excpt_set);
FD_SET( guts.connection, &guts.read_set);
guts.max_fd = guts.connection;
for ( i = 0; i < guts.files->count; i++) {
f = (PFile)list_at( guts.files,i);
if ( f-> eventMask & feRead) {
FD_SET( f->fd, &guts.read_set);
if ( f->fd > guts.max_fd)
guts.max_fd = f->fd;
}
if ( f-> eventMask & feWrite) {
FD_SET( f->fd, &guts.write_set);
if ( f->fd > guts.max_fd)
guts.max_fd = f->fd;
}
if ( f-> eventMask & feException) {
FD_SET( f->fd, &guts.excpt_set);
if ( f->fd > guts.max_fd)
guts.max_fd = f->fd;
}
}
}
Bool
apc_file_attach( Handle self)
{
if ( list_index_of( guts.files, self) >= 0) {
prima_rebuild_watchers();
return true;
}
protect_object( self);
list_add( guts.files, self);
prima_rebuild_watchers();
return true;
}
Bool
apc_file_detach( Handle self)
{
int i;
if (( i = list_index_of( guts.files, self)) >= 0) {
list_delete_at( guts.files, i);
unprotect_object( self);
prima_rebuild_watchers();
}
return true;
}
Bool
apc_file_change_mask( Handle self)
{
return apc_file_attach( self);
}
int
apc_pointer_get_state( Handle self)
{
XWindow foo;
int bar;
unsigned mask;
XQueryPointer( DISP, guts.root, &foo, &foo, &bar, &bar, &bar, &bar, &mask);
return
(( mask & Button1Mask) ? mb1 : 0) |
(( mask & Button2Mask) ? mb2 : 0) |
(( mask & Button3Mask) ? mb3 : 0) |
(( mask & Button4Mask) ? mb4 : 0) |
(( mask & Button5Mask) ? mb5 : 0) |
(( mask & Button6Mask) ? mb6 : 0) |
(( mask & Button7Mask) ? mb7 : 0);
}
int
apc_kbd_get_state( Handle self)
{
XWindow foo;
int bar;
unsigned int mask;
XQueryPointer( DISP, guts.root, &foo, &foo, &bar, &bar, &bar, &bar, &mask);
return
(( mask & ShiftMask) ? kmShift : 0) |
(( mask & ControlMask) ? kmCtrl : 0) |
(( mask & Mod1Mask) ? kmAlt : 0);
}
/* Messages */
Bool
prima_simple_message( Handle self, int cmd, Bool is_post)
{
Event e;
bzero( &e, sizeof(e));
e. cmd = cmd;
e. gen. source = self;
return apc_message( self, &e, is_post);
}
Bool
apc_message( Handle self, PEvent e, Bool is_post)
{
PendingEvent *pe;
switch ( e-> cmd) {
/* XXX insert more messages here */
case cmPost:
/* FALLTHROUGH */
default:
if ( is_post) {
if (!( pe = alloc1(PendingEvent))) return false;
memcpy( &pe->event, e, sizeof(pe->event));
pe-> recipient = self;
TAILQ_INSERT_TAIL( &guts.peventq, pe, peventq_link);
} else {
CComponent(self)->message( self, e);
if ( PObject( self)-> stage == csDead) return false;
}
break;
}
return true;
}
static void
close_msgdlg( struct MsgDlg * md)
{
md-> active = false;
md-> pressed = false;
if ( md-> grab)
XUngrabPointer( DISP, CurrentTime);
md-> grab = false;
XUnmapWindow( DISP, md-> w);
XFlush( DISP);
if ( md-> next == nil) {
XSetInputFocus( DISP, md-> focus, md-> focus_revertTo, CurrentTime);
XCHECKPOINT;
}
}
void
prima_msgdlg_event( XEvent * ev, struct MsgDlg * md)
{
XWindow w = ev-> xany. window;
switch ( ev-> type) {
case ConfigureNotify:
md-> winSz. x = ev-> xconfigure. width;
md-> winSz. y = ev-> xconfigure. height;
break;
case Expose:
{
int i, y = md-> textPos. y;
int d = md-> pressed ? 2 : 0;
XSetForeground( DISP, md-> gc, md-> bg. primary);
if ( md-> bg. balance > 0) {
Pixmap p = prima_get_hatch( &guts. ditherPatterns[ md-> bg. balance]);
if ( p) {
XSetStipple( DISP, md-> gc, p);
XSetFillStyle( DISP, md-> gc, FillOpaqueStippled);
XSetBackground( DISP, md-> gc, md-> bg. secondary);
}
}
XFillRectangle( DISP, w, md-> gc, 0, 0, md-> winSz.x, md-> winSz.y);
if ( md-> bg. balance > 0)
XSetFillStyle( DISP, md-> gc, FillSolid);
XSetForeground( DISP, md-> gc, md-> fg);
for ( i = 0; i < md-> wrappedCount; i++) {
if ( md-> wide)
XDrawString16( DISP, w, md-> gc,
( md-> winSz.x - md-> widths[i]) / 2, y,
( XChar2b*) md-> wrapped[i], md-> lengths[i]);
else
XDrawString( DISP, w, md-> gc,
( md-> winSz.x - md-> widths[i]) / 2, y,
md-> wrapped[i], md-> lengths[i]);
y += md-> font-> height + md-> font-> externalLeading;
}
XDrawRectangle( DISP, w, md-> gc,
md-> btnPos.x-1, md-> btnPos.y-1, md-> btnSz.x+2, md-> btnSz.y+2);
XDrawString( DISP, w, md-> gc,
md-> btnPos.x + ( md-> btnSz.x - md-> OKwidth) / 2 + d,
md-> btnPos.y + md-> font-> height + md-> font-> externalLeading +
( md-> btnSz.y - md-> font-> height - md-> font-> externalLeading) / 2 - 2 + d,
"OK", 2);
XSetForeground( DISP, md-> gc,
md-> pressed ? md-> d3d : md-> l3d);
XDrawLine( DISP, w, md-> gc,
md-> btnPos.x, md-> btnPos.y + md-> btnSz.y - 1,
md-> btnPos.x, md-> btnPos. y);
XDrawLine( DISP, w, md-> gc,
md-> btnPos.x + 1, md-> btnPos. y,
md-> btnPos.x + md-> btnSz.x - 1, md-> btnPos. y);
XSetForeground( DISP, md-> gc,
md-> pressed ? md-> l3d : md-> d3d);
XDrawLine( DISP, w, md-> gc,
md-> btnPos.x, md-> btnPos.y + md-> btnSz.y,
md-> btnPos.x + md-> btnSz.x, md-> btnPos.y + md-> btnSz.y);
XDrawLine( DISP, w, md-> gc,
md-> btnPos.x + md-> btnSz.x, md-> btnPos.y + md-> btnSz.y - 1,
md-> btnPos.x + md-> btnSz.x, md-> btnPos.y + 1);
}
break;
case ButtonPress:
if ( !md-> grab &&
( ev-> xbutton. button == Button1) &&
( ev-> xbutton. x >= md-> btnPos. x ) &&
( ev-> xbutton. x < md-> btnPos. x + md-> btnSz.x) &&
( ev-> xbutton. y >= md-> btnPos. y ) &&
( ev-> xbutton. y < md-> btnPos. y + md-> btnSz.y)) {
md-> pressed = true;
md-> grab = true;
XClearArea( DISP, w, md-> btnPos.x, md-> btnPos.y,
md-> btnSz.x, md-> btnSz.y, true);
XGrabPointer( DISP, w, false,
ButtonReleaseMask | PointerMotionMask | ButtonMotionMask,
GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
}
break;
case MotionNotify:
if ( md-> grab) {
Bool np =
(( ev-> xmotion. x >= md-> btnPos. x ) &&
( ev-> xmotion. x < md-> btnPos. x + md-> btnSz.x) &&
( ev-> xmotion. y >= md-> btnPos. y ) &&
( ev-> xmotion. y < md-> btnPos. y + md-> btnSz.y));
if ( np != md-> pressed) {
md-> pressed = np;
XClearArea( DISP, w, md-> btnPos.x, md-> btnPos.y,
md-> btnSz.x, md-> btnSz.y, true);
}
}
break;
case KeyPress:
{
char str_buf[256];
KeySym keysym;
int str_len = XLookupString( &ev-> xkey, str_buf, 256, &keysym, nil);
if (
( keysym == XK_Return) ||
( keysym == XK_Escape) ||
( keysym == XK_KP_Enter) ||
( keysym == XK_KP_Space) ||
(( str_len == 1) && ( str_buf[0] == ' '))
)
close_msgdlg( md);
}
break;
case ButtonRelease:
if ( md-> grab &&
( ev-> xbutton. button == Button1)) {
md-> grab = false;
XUngrabPointer( DISP, CurrentTime);
if ( md-> pressed) close_msgdlg( md);
}
break;
case ClientMessage:
if (( ev-> xclient. message_type == WM_PROTOCOLS) &&
(( Atom) ev-> xclient. data. l[0] == WM_DELETE_WINDOW))
close_msgdlg( md);
break;
}
}
extern char ** Drawable_do_text_wrap( Handle, TextWrapRec *);
Bool
apc_show_message( const char * message, Bool utf8)
{
char ** wrapped;
Font f;
Point appSz, appPos;
Point textSz;
Point winSz;
TextWrapRec twr;
int i;
struct MsgDlg md, **storage;
Bool ret = true;
PList font_abc_unicode = nil;
PFontABC font_abc_ascii = nil;
if ( !DISP) {
warn( "%s", message);
return true;
}
if ( guts. grab_widget)
apc_widget_set_capture( guts. grab_widget, 0, 0);
appSz = apc_application_get_size( nilHandle);
appPos.x = 0;
appPos.y = 0;
/* multi-monitor centering */
{
int i, nrects = 0;
Rect2 *best = nil, *rects = apc_application_get_monitor_rects( application, &nrects);
for ( i = 0; i < nrects; i++) {
Rect2 * curr = rects + i;
if ( best == nil || best-> x > curr->x || best->y > curr->y)
best = curr;
}
if ( best ) {
appPos.x = best->x;
appPos.y = best->y;
appSz.x = best->width;
appSz.y = best->height;
}
}
/* acquiring message font and wrapping message text */
{
PCachedFont cf;
XFontStruct *fs;
int max;
apc_sys_get_msg_font( &f);
prima_core_font_pick( nilHandle, &f, &f);
cf = prima_find_known_font( &f, false, false);
if ( !cf || !cf-> id) {
warn( "%s", message);
return false;
}
fs = XQueryFont( DISP, cf-> id);
if (!fs) {
warn( "%s", message);
return false;
}
twr. text = ( char *) message;
twr. utf8_text = utf8;
twr. textLen = strlen( message);
twr. utf8_textLen = utf8 ? prima_utf8_length( message) : twr. textLen;
twr. width = appSz. x * 2 / 3;
twr. tabIndent = 3;
twr. options = twNewLineBreak | twWordBreak | twReturnLines;
twr. ascii = &font_abc_ascii;
twr. unicode = &font_abc_unicode;
guts. font_abc_nil_hack = fs;
wrapped = Drawable_do_text_wrap( nilHandle, &twr);
if ( font_abc_ascii) free( font_abc_ascii);
if ( font_abc_unicode) {
int i;
for ( i = 0; i < font_abc_unicode-> count; i += 2)
free(( void*) font_abc_unicode-> items[ i + 1]);
plist_destroy( font_abc_unicode);
}
if ( !( md. widths = malloc( twr. count * sizeof(int)))) {
XFreeFontInfo( nil, fs, 1);
warn( "%s", message);
return false;
}
if ( !( md. lengths = malloc( twr. count * sizeof(int)))) {
free( md. widths);
XFreeFontInfo( nil, fs, 1);
warn( "%s", message);
return false;
}
/* find text extensions */
max = 0;
for ( i = 0; i < twr. count; i++) {
if ( utf8) {
char * w;
md. lengths[i] = prima_utf8_length( wrapped[i]);
w = ( char *) prima_alloc_utf8_to_wchar( wrapped[i], md. lengths[i]);
if ( !w) goto EXIT;
free( wrapped[i]);
wrapped[i] = w;
md. widths[i] = XTextWidth16( fs, ( XChar2b*) wrapped[i], md. lengths[i]);
} else {
md. widths[i] = XTextWidth( fs, wrapped[i],
md. lengths[i] = strlen( wrapped[i]));
}
if ( md. widths[i] > max) max = md. widths[i];
}
textSz. x = max;