/* $Xorg: PrintShell.c,v 1.1 2003/07/11 19:46:06 gisburn Exp $ */
/******************************************************************************
******************************************************************************
**
** (c) Copyright 2003 Danny Backx <[email protected]>
** (c) Copyright 2003-2004 Roland Mainz <[email protected]>
**
** Permission is hereby granted, free of charge, to any person obtaining a copy
** of this software and associated documentation files (the "Software"), to deal
** in the Software without restriction, including without limitation the rights
** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
** copies of the Software, and to permit persons to whom the Software is
** furnished to do so, subject to the following conditions:
**
** The above copyright notice and this permission notice shall be included in
** all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
** COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
** IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
** CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**
** Except as contained in this notice, the names of the copyright holders shall
** not be used in advertising or otherwise to promote the sale, use or other
** dealings in this Software without prior written authorization from said
** copyright holders.
**
******************************************************************************
*****************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include "Print.h"
#include "PrintSP.h"
/* Local prototypes */
static void class_initialize(void);
static void class_part_initialize(WidgetClass w_class);
static void initialize(Widget request, Widget new_w, ArgList args, Cardinal *num_args);
static void destroy(Widget w);
static Boolean set_values(Widget current, Widget request, Widget new_w, ArgList args, Cardinal *num_args);
static void XawPrintNotify(Widget w, XtPointer client, XEvent *evp, Boolean *cont);
static void XawAttributesNotify(Widget w, XtPointer client, XEvent *evp, Boolean *cont);
static void XawUpdateLayout(Widget w);
static void XawUpdateResources(Widget w, XPContext pcontext);
#define Offset(field) XtOffsetOf(XawPrintShellRec, print.field)
#ifdef XAWDEBUG
#define DEBUGOUT(x) XawDebug x ;
static void
XawDebug(const char *fn, Widget w, const char *fmt, ...)
{
va_list ap;
if (w) {
fprintf(stderr, "%s %s: ",
w->core.widget_class->core_class.class_name, XtName(w));
} else {
fprintf(stderr, "(null widget): ");
}
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
#else
#define DEBUGOUT(x)
#endif /* XAWDEBUG */
/* Resources for the PrintShell class */
static XtResource resources[] =
{
{
XawNstartJobCallback, XtCCallback, XtRCallback,
sizeof(XtCallbackList), Offset(start_job_callback),
XtRImmediate, (XtPointer)NULL
},
{
XawNendJobCallback, XtCCallback, XtRCallback,
sizeof(XtCallbackList), Offset(end_job_callback),
XtRImmediate, (XtPointer)NULL
},
{
XawNdocSetupCallback, XtCCallback, XtRCallback,
sizeof(XtCallbackList), Offset(doc_setup_callback),
XtRImmediate, (XtPointer)NULL
},
{
XawNpageSetupCallback, XtCCallback, XtRCallback,
sizeof(XtCallbackList), Offset(page_setup_callback),
XtRImmediate, (XtPointer)NULL
},
{
XawNlayoutMode, XawCLayoutMode, XtREnum,
sizeof(XtEnum), Offset(layoutmode),
XtRImmediate, (XtPointer)XawPrintLAYOUTMODE_PAGESIZE
},
{
XawNminX, XawCMinX, XtRDimension,
sizeof(Dimension), Offset(min_x),
XtRImmediate, (XtPointer)NULL /* dynamic */
},
{
XawNminY, XawCMinY, XtRDimension,
sizeof(Dimension), Offset(min_y),
XtRImmediate, (XtPointer)NULL /* dynamic */
},
{
XawNmaxX, XawCMaxX, XtRDimension,
sizeof(Dimension), Offset(max_x),
XtRImmediate, (XtPointer)NULL /* dynamic */
},
{
XawNmaxY, XawCMaxY, XtRDimension,
sizeof(Dimension), Offset(max_y),
XtRImmediate, (XtPointer)NULL /* dynamic */
},
{
XawNcurrDocNumInJob, XawCCurrDocNumInJob, XtRInt,
sizeof(unsigned int), Offset(curr_doc_num_in_job),
XtRImmediate, (XtPointer)NULL /* dynamic */
},
{
XawNcurrPageNumInDoc, XawCCurrPageNumInDoc, XtRInt,
sizeof(unsigned int), Offset(curr_page_num_in_doc),
XtRImmediate, (XtPointer)NULL /* dynamic */
},
{
XawNcurrPageNumInJob, XawCCurrPageNumInJob, XtRInt,
sizeof(unsigned int), Offset(curr_page_num_in_job),
XtRImmediate, (XtPointer)NULL /* dynamic */
},
{
XawNdefaultPixmapResolution, XawCDefaultPixmapResolution, XtRShort,
sizeof(unsigned short), Offset(default_pixmap_resolution),
XtRImmediate, (XtPointer)0
},
};
static XtActionsRec actions[] =
{
{ NULL, NULL }
};
XawPrintShellClassRec xawPrintShellClassRec = {
/* Core class part */
{
/* superclass */ (WidgetClass) &applicationShellClassRec,
/* class_name */ "XawPrintShell",
/* widget_size */ sizeof(XawPrintShellRec),
/* class_initialize */ class_initialize,
/* class_part_initialize */ class_part_initialize,
/* class_inited */ False,
/* initialize */ initialize,
/* initialize_hook */ NULL,
/* realize */ XtInheritRealize,
/* actions */ actions,
/* num_actions */ XtNumber(actions),
/* resources */ resources,
/* num_resources */ XtNumber(resources),
/* xrm_class */ NULLQUARK,
/* compress_motion */ False,
/* compress_exposure */ XtExposeCompressSeries,
/* compress_enterleave */ False,
/* visible_interest */ False,
/* destroy */ destroy,
/* resize */ XtInheritResize,
/* expose */ XtInheritExpose,
/* set_values */ set_values,
/* set_values_hook */ NULL,
/* set_values_almost */ XtInheritSetValuesAlmost,
/* get_values_hook */ NULL,
/* accept_focus */ NULL,
/* version */ XtVersion,
/* callback offsets */ NULL,
/* tm_table */ XtInheritTranslations,
/* query_geometry */ XtInheritQueryGeometry,
/* display_accelerator */ NULL,
/* extension */ NULL /* (XtPointer)&_XawPrintShellCoreClassExtRec */
},
/* Composite class part */
{
/* geometry manager */ XtInheritGeometryManager,
/* change_managed */ XtInheritChangeManaged,
/* insert_child */ XtInheritInsertChild,
/* delete_child */ XtInheritDeleteChild,
/* extension */ NULL,
},
/* Shell class part */
{
/* extension */ NULL,
},
/* WM Shell class part */
{
/* extension */ NULL,
},
/* VendorShell class part */
{
/* extension */ NULL,
},
/* TopLevelShell class part */
{
/* extension */ NULL,
},
/* ApplicationShell class part */
{
/* extension */ NULL,
},
{
/* ?? */ NULL,
},
};
WidgetClass xawPrintShellWidgetClass = (WidgetClass)&xawPrintShellClassRec;
static void
class_initialize(void)
{
}
static void
class_part_initialize(WidgetClass widget_class)
{
}
/*
* This is a static table to keep the link between widgets and XPContexts.
* Yeah - this is probably not a very bright idea. Maybe it should also
* contain the Display.
*/
typedef struct {
Widget w;
XPContext c;
} WidgetContext;
static WidgetContext *w_ctxt = NULL;
static int wc_nfields = 0;
static void
XawStoreWidgetContext(Widget w, XPContext c)
{
wc_nfields++;
w_ctxt = (WidgetContext *)XtRealloc((XtPointer)w_ctxt, sizeof(WidgetContext) * wc_nfields);
w_ctxt[wc_nfields-1].w = w;
w_ctxt[wc_nfields-1].c = c;
}
/* FIXME: This is not threadsafe... */
static Widget
XawPrintContextToWidget(XPContext c)
{
int i;
for( i = 0 ; i < wc_nfields ; i++ ) {
if( w_ctxt[i].c == c ) {
return w_ctxt[i].w;
}
}
return NULL;
}
/* FIXME: This is not threadsafe... */
static XPContext
XawPrintWidgetToContext(Widget w)
{
int i;
for( i = 0 ; i < wc_nfields ; i++ ) {
if (w_ctxt[i].w == w) {
return w_ctxt[i].c;
}
}
return (XPContext)None;
}
/* FIXME: This is not threadsafe... */
static void
XawPrintDeleteWidgetContext(Widget w)
{
int i;
for( i = 0 ; i < wc_nfields ; i++ ) {
if( w_ctxt[i].w == w ) {
w_ctxt[i].w = NULL;
w_ctxt[i].c = None;
}
}
}
static void
SelectNotify(Widget w, int *e, XtPointer *s, int n, XtPointer client)
{
XPContext c = XpGetContext(XtDisplay(w));
if (!c) {
XtAppWarning(XtWidgetToApplicationContext(w),
"XawPrintShell: SelectNotify: no print context\n");
return;
}
XpSelectInput(XtDisplay(w), c, XPPrintMask|XPAttributeMask);
}
static Boolean
DispatchEvent(XEvent *evp)
{
XPPrintEvent *e = (XPPrintEvent*)evp;
Widget w = XawPrintContextToWidget(e->context);
/* Make sure this event is really for this window... */
if (XFilterEvent(evp, XtWindow(w)))
{
DEBUGOUT((__FILE__, w, "XawPrintShell-DispatchEvent *** filter XFilterEvent() matched.\n"));
return True;
}
/* Only for debugging */
#ifdef XAWDEBUG
{
int error_base,
event_base;
if (!XpQueryExtension(XtDisplay(w), &event_base, &error_base)) {
return False;
}
if (e->type == event_base + XPPrintNotify) {
switch (e->detail) {
case XPStartJobNotify:
DEBUGOUT((__FILE__, w, "XawPrintShell-DispatchEvent XPStartJobNotify\n"));
break;
case XPEndJobNotify:
DEBUGOUT((__FILE__, w, "XawPrintShell-DispatchEvent XPEndJobNotify\n"));
break;
case XPStartDocNotify:
DEBUGOUT((__FILE__, w, "XawPrintShell-DispatchEvent XPStartDocNotify\n"));
break;
case XPStartPageNotify:
DEBUGOUT((__FILE__, w, "XawPrintShell-DispatchEvent XPStartPageNotify\n"));
break;
case XPEndPageNotify:
DEBUGOUT((__FILE__, w, "XawPrintShell-DispatchEvent XPEndPageNotify\n"));
break;
case XPEndDocNotify:
DEBUGOUT((__FILE__, w, "XawPrintShell-DispatchEvent XPEndDocNotify\n"));
break;
default:
DEBUGOUT((__FILE__, w, "XawPrintShell DispatchEvent\n"));
}
}
}
#endif /* XAWDEBUG */
return XtDispatchEventToWidget(w, evp);
}
static void
initialize(Widget request, Widget new_w, ArgList args, Cardinal *num_args)
{
int error_base,
event_base;
XPContext pcontext;
DEBUGOUT((__FILE__, new_w, "XawPrintShell Initialize\n"));
if (!XpQueryExtension(XtDisplay(new_w), &event_base, &error_base)) {
DEBUGOUT((__FILE__, new_w, "XawPrintShell initialize: failed!!\n"));
XtAppWarning(XtWidgetToApplicationContext(new_w),
"XawPrintShell: initialize: XpQueryExtension() failed. BAD.\n");
return;
}
DEBUGOUT((__FILE__, new_w, "XawPrintShell Initialize event_base %d error_base %d\n",
event_base, error_base));
pcontext = XpGetContext(XtDisplay(new_w));
if( pcontext == None ) {
XtAppWarning(XtWidgetToApplicationContext(new_w),
"XawPrintShell: initialize: No print content. BAD.\n");
return;
}
/* Make sure that the Xt machinery is really using the right screen (assertion) */
if( XpGetScreenOfContext(XtDisplay(new_w), pcontext) != XtScreen(new_w) ) {
XtAppWarning(XtWidgetToApplicationContext(new_w),
"XawPrintShell: initialize: Widget's screen != print screen. BAD.\n");
return;
}
XawStoreWidgetContext(new_w, pcontext);
XtInsertEventTypeHandler(new_w,
event_base + XPPrintNotify,
(XtPointer)XPPrintMask,
XawPrintNotify, NULL,
XtListTail);
XtInsertEventTypeHandler(new_w,
event_base + XPAttributeNotify,
(XtPointer)XPAttributeMask,
XawAttributesNotify, NULL,
XtListTail);
XtRegisterExtensionSelector(XtDisplay(new_w),
event_base + XPPrintNotify,
event_base + XPAttributeNotify,
SelectNotify,
NULL);
XtSetEventDispatcher(XtDisplay(new_w),
event_base + XPPrintNotify,
DispatchEvent);
XtSetEventDispatcher(XtDisplay(new_w),
event_base + XPAttributeNotify,
DispatchEvent);
PS_LastPageInDoc(new_w) = False;
PS_LastPageInJob(new_w) = False;
XawUpdateResources(new_w, pcontext);
XawUpdateLayout(new_w);
DEBUGOUT((__FILE__, new_w, "XawPrintShell Initialize x %d y %d wid %d ht %d\n",
new_w->core.x,
new_w->core.y,
new_w->core.width,
new_w->core.height));
}
static void
destroy(Widget w)
{
DEBUGOUT((__FILE__, w, "XawPrintShell Destroy\n"));
XawPrintDeleteWidgetContext(w);
}
static Boolean
set_values(Widget current, Widget request, Widget new_w,
ArgList args, Cardinal *num_args)
{
DEBUGOUT((__FILE__, new_w, "XawPrintShell SetValues\n"));
return True;
}
void XawPrintRedisplayWidget(Widget w)
{
XExposeEvent xev;
Region region;
xev.type = Expose;
xev.serial = XLastKnownRequestProcessed(XtDisplay(w));
xev.send_event = False;
xev.display = XtDisplay(w);
xev.window = XtWindowOfObject(w);
xev.x = 0;
xev.y = 0;
xev.width = w->core.width;
xev.height = w->core.height;
xev.count = 0;
region = XCreateRegion();
if (!region)
return;
XtAddExposureToRegion((XEvent*)&xev, region);
if (w->core.widget_class->core_class.expose)
(*(w->core.widget_class->core_class.expose))(w, (XEvent *)&xev, region);
XDestroyRegion(region);
}
/* Returns whether the widget passed in is a print shell or "print shell"-like
* widget (e.g. print preview).
* Note that this will return |True| for more classes than |XawPrintShell| in
* the future (like for |XmPrintShell| etc.)
*/
Boolean
XawIsPrintShell(Widget w)
{
return XtIsSubclass(w, xawPrintShellWidgetClass);
}
static void
XawPrintNotify(Widget w, XtPointer client, XEvent *evp, Boolean *cont)
{
XPPrintEvent *e = (XPPrintEvent *)evp;
XawPrintShellCallbackStruct cbs;
switch (e->detail) {
case XPStartPageNotify:
DEBUGOUT((__FILE__, w, "XPStartPageNotify\n"));
/* Re do not have to call |XawPrintRedisplayWidget(w)| here since
* Xprint triggers an expose event anyway
*/
DEBUGOUT((__FILE__, w, "XpEndPage\n"));
XpEndPage(XtDisplay(w));
break;
case XPEndPageNotify:
DEBUGOUT((__FILE__, w, "XPEndPageNotify\n"));
if (PS_LastPageInDoc(w) || PS_LastPageInJob(w)) {
DEBUGOUT((__FILE__, w, "XpEndDoc\n"));
XpEndDoc(XtDisplay(w));
}
else {
/* Increment page numbers... */
PS_CurrPageNumInDoc(w) += 1;
PS_CurrPageNumInJob(w) += 1;
/* ... do the page setup callback ... */
cbs.reason = XawCR_PAGE_SETUP;
cbs.event = evp;
cbs.detail = NULL;
cbs.context = XawPrintWidgetToContext(w);
cbs.last_page_in_doc = False;
cbs.last_page_in_job = False;
if (PS_PageSetupCallback(w))
XtCallCallbackList(w, PS_PageSetupCallback(w), &cbs);
PS_LastPageInDoc(w) = cbs.last_page_in_doc;
PS_LastPageInJob(w) = cbs.last_page_in_job;
/* ... and start the new page */
DEBUGOUT((__FILE__, w, "XpStartPage\n"));
XpStartPage(XtDisplay(w), XtWindow(w));
}
break;
case XPStartDocNotify:
DEBUGOUT((__FILE__, w, "XPStartDocNotify\n"));
cbs.reason = XawCR_PAGE_SETUP;
cbs.event = evp;
cbs.detail = NULL;
cbs.context = XawPrintWidgetToContext(w);
cbs.last_page_in_doc = False;
cbs.last_page_in_job = False;
if (PS_PageSetupCallback(w))
XtCallCallbackList(w, PS_PageSetupCallback(w), &cbs);
PS_LastPageInDoc(w) = cbs.last_page_in_doc;
PS_LastPageInJob(w) = cbs.last_page_in_job;
DEBUGOUT((__FILE__, w, "XpStartPage\n"));
XpStartPage(XtDisplay(w), XtWindow(w));
break;
case XPEndDocNotify:
DEBUGOUT((__FILE__, w, "XPEndDocNotify\n"));
/* Start a new document (via XpStartDoc()) if we are not done with the job yet,
* otherwise finish the job (via XpEndJob())
*/
if (PS_LastPageInJob(w)) {
DEBUGOUT((__FILE__, w, "XpEndJob\n"));
XpEndJob(XtDisplay(w));
}
else {
PS_CurrDocNumInJob(w) += 1;
PS_CurrPageNumInDoc(w) = 1;
cbs.reason = XawCR_DOC_SETUP;
cbs.event = evp;
cbs.detail = NULL;
cbs.context = XawPrintWidgetToContext(w);
cbs.last_page_in_doc = False;
cbs.last_page_in_job = False;
if (PS_DocSetupCallback(w))
XtCallCallbackList(w, PS_DocSetupCallback(w), &cbs);
PS_LastPageInDoc(w) = cbs.last_page_in_doc;
PS_LastPageInJob(w) = cbs.last_page_in_job;
DEBUGOUT((__FILE__, w, "XpStartDoc\n"));
XpStartDoc(XtDisplay(w), XPDocNormal);
}
break;
case XPStartJobNotify:
DEBUGOUT((__FILE__, w, "XPStartJobNotify\n"));
PS_LastPageInJob(w) = False;
PS_LastPageInDoc(w) = False;
PS_CurrDocNumInJob(w) = 1;
PS_CurrPageNumInDoc(w) = 1;
PS_CurrPageNumInJob(w) = 1;
cbs.reason = XawCR_START_JOB;
cbs.event = evp;
cbs.detail = NULL;
cbs.context = XawPrintWidgetToContext(w);
cbs.last_page_in_doc = False;
cbs.last_page_in_job = False;
if (PS_StartJobCallback(w))
XtCallCallbackList(w, PS_StartJobCallback(w), &cbs);
PS_LastPageInDoc(w) = cbs.last_page_in_doc;
PS_LastPageInJob(w) = cbs.last_page_in_job;
/* Start a document (which will trigger the first page in
* |XPStartDocNotify| above) */
if (PS_LastPageInDoc(w) || PS_LastPageInJob(w)) {
DEBUGOUT((__FILE__, w, "XpEndJob\n"));
XpEndJob(XtDisplay(w));
}
else
{
cbs.reason = XawCR_DOC_SETUP;
cbs.event = evp;
cbs.detail = NULL;
cbs.context = XawPrintWidgetToContext(w);
cbs.last_page_in_doc = False;
cbs.last_page_in_job = False;
if (PS_DocSetupCallback(w))
XtCallCallbackList(w, PS_DocSetupCallback(w), &cbs);
PS_LastPageInDoc(w) = cbs.last_page_in_doc;
PS_LastPageInJob(w) = cbs.last_page_in_job;
DEBUGOUT((__FILE__, w, "XpStartDoc\n"));
XpStartDoc(XtDisplay(w), XPDocNormal);
}
break;
case XPEndJobNotify:
DEBUGOUT((__FILE__, w, "XPEndJobNotify\n"));
cbs.reason = XawCR_END_JOB;
cbs.event = evp;
cbs.detail = NULL;
cbs.context = None;
cbs.last_page_in_doc = True;
cbs.last_page_in_job = True;
if (PS_EndJobCallback(w))
XtCallCallbackList(w, PS_EndJobCallback(w), &cbs);
break;
default:
DEBUGOUT((__FILE__, w, "XawPrintNotify(default)\n"));
break;
}
}
static void
XawUpdateResources(Widget w, XPContext pcontext)
{
XawPrintShellWidget print_shell = (XawPrintShellWidget)w;
String string_resolution;
XRectangle drawable_paper_area;
string_resolution = XpGetOneAttribute(XtDisplay(w), pcontext, XPDocAttr, "default-printer-resolution");
if (!string_resolution) {
XtAppWarning(XtWidgetToApplicationContext(w),
"XawPrintShell: XawUpdateResources: Could not get 'default-printer-resolution' XPDocAttr\n");
}
print_shell->print.print_resolution = atol(string_resolution);
XFree(string_resolution);
if (print_shell->print.print_resolution == 0) {
XtAppWarning(XtWidgetToApplicationContext(w),
"XawPrintShell: XawUpdateResources: Resolution '0' invalid\n");
}
/* Get the paper size... */
XpGetPageDimensions(XtDisplay(w), pcontext,
&print_shell->print.page_width, &print_shell->print.page_height,
&drawable_paper_area);
/* ... and store it in the widget */
print_shell->print.min_x = drawable_paper_area.x;
print_shell->print.min_y = drawable_paper_area.y;
print_shell->print.max_x = drawable_paper_area.x + drawable_paper_area.width;
print_shell->print.max_y = drawable_paper_area.y + drawable_paper_area.height;
}
static void
XawUpdateLayout(Widget w)
{
XawPrintShellWidget print_shell = (XawPrintShellWidget)w;
switch( print_shell->print.layoutmode )
{
case XawPrintLAYOUTMODE_NONE:
break;
case XawPrintLAYOUTMODE_PAGESIZE:
XtResizeWidget(w,
print_shell->print.page_width,
print_shell->print.page_height,
w->core.border_width);
break;
case XawPrintLAYOUTMODE_DRAWABLEAREA:
XtConfigureWidget(w,
print_shell->print.min_x,
print_shell->print.min_y,
print_shell->print.max_x - print_shell->print.min_x,
print_shell->print.max_y - print_shell->print.min_y,
w->core.border_width);
break;
default:
XtAppWarning(XtWidgetToApplicationContext(w),
"XawPrintShell: XawUpdateResources: Invalid layout mode\n");
break;
}
}
/* Update widget attributes+properties when the we receive
* "Xp attribute change"-events (e.g. paper (size/orientation/etc.)
* changed etc.) */
static void
XawAttributesNotify(Widget w,
XtPointer client,
XEvent *evp,
Boolean *cont)
{
XawPrintShellWidget print_shell = (XawPrintShellWidget)w;
XPAttributeEvent *xpevp = (XPAttributeEvent *)evp;
XawUpdateResources(w, xpevp->context);
XawUpdateLayout(w);
}
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