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authorAlexander Gottwald <alexander.gottwald@s1999.tu-chemnitz.de>2004-09-15 16:34:17 +0000
committerAlexander Gottwald <alexander.gottwald@s1999.tu-chemnitz.de>2004-09-15 16:34:17 +0000
commitc4baf5cfa9e906cfb3fed738f11d8ec8d0ff535b (patch)
treea897b55362cea1030d87f5960ec1db434742be5f /print.c
parentf9fb54809c56e625c1d72beb96157e20aab17412 (diff)
Pull XORG-6_8_0 to CYGWIN branchCYGWIN-6_8_0-MERGE
Diffstat (limited to 'print.c')
-rw-r--r--print.c390
1 files changed, 390 insertions, 0 deletions
diff --git a/print.c b/print.c
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--- /dev/null
+++ b/print.c
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+/*
+ * $Xorg: print.c,v 1.1 2004/04/30 02:05:54 gisburn Exp $
+ *
+Copyright 2004 Roland Mainz <roland.mainz@nrubsig.org>
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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
+OPEN GROUP 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 name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ *
+ */
+
+/* Turn a NULL pointer string into an empty string */
+#define NULLSTR(x) (((x)!=NULL)?(x):(""))
+
+#define Error(x) { printf x ; exit(EXIT_FAILURE); }
+#define Assertion(expr, msg) { if (!(expr)) { Error msg } }
+#define Log(x) { if(True) printf x; }
+
+#include "print.h"
+#include <X11/Xaw/Form.h>
+#include <X11/Xaw/Label.h>
+#include <X11/Xaw/AsciiText.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static Widget
+CreatePrintShell(Widget videoshell,
+ Screen *pscreen,
+ String printshell_name,
+ ArgList args,
+ Cardinal numargs)
+{
+ String videoname,
+ videoclass;
+ Widget pappshell,
+ printshell;
+ Display *pdpy = XDisplayOfScreen(pscreen);
+ int dummyc = 0;
+ String dummys = "";
+ XtGetApplicationNameAndClass(XtDisplay(videoshell),
+ &videoname, &videoclass);
+
+ /* XXX: Why is the |dummyc|&&|dummys| stuff needed here ? */
+ XtDisplayInitialize(XtWidgetToApplicationContext(videoshell), pdpy,
+ videoname, videoclass,
+ NULL, 0,
+ &dummyc, &dummys);
+
+ pappshell = XtVaAppCreateShell(videoname, videoclass,
+ applicationShellWidgetClass,
+ pdpy,
+ XtNscreen, pscreen,
+ NULL);
+ printshell = XtCreatePopupShell(printshell_name,
+ xawPrintShellWidgetClass,
+ pappshell, args, numargs);
+
+
+ /* we're mapping/unmapping at start/end page time */
+ XtSetMappedWhenManaged(printshell, False);
+
+ /* We realise the widget when we're done with building the widget tree... */
+
+ return printshell;
+}
+
+typedef struct
+{
+ const char *programname;
+ Widget toplevel;
+ Bool isPrinting;
+ Widget printshell;
+ struct
+ {
+ Widget form;
+ Widget pageheaderlabel;
+ Widget text;
+ } content; /* content to print */
+ int numpages;
+ Display *pdpy;
+ Screen *pscreen;
+ XPContext pcontext;
+ XtCallbackProc pdpyDestroyCallback;
+ void *printtofile_handle;
+ const char *jobtitle;
+} AppPrintData;
+
+static AppPrintData apdx;
+static AppPrintData *apd = &apdx;
+
+/* Count pages in a text widget
+ * WARNING: This will reset the current position of the text widget
+ * back to the beginning */
+static
+long CountPages(Widget textWidget)
+{
+ long numpages = 0;
+
+ XawTextPosition prevpagepos = -1,
+ currpos = 0;
+
+ /* Move to the top of the file... */
+ XtCallActionProc(textWidget, "beginning-of-file", NULL, NULL, 0);
+
+ /* ... count pages ...*/
+ do
+ {
+ prevpagepos = XawTextTopPosition(textWidget);
+ XtCallActionProc(textWidget, "next-page", NULL, NULL, 0);
+ currpos = XawTextTopPosition(textWidget);
+ numpages++;
+ } while(prevpagepos != currpos);
+
+ /* ... and move to the top of the file... */
+ XtCallActionProc(textWidget, "beginning-of-file", NULL, NULL, 0);
+
+ Log(("CountPages() found %ld pages.\n", numpages))
+
+ return numpages;
+}
+
+static void
+PageSetupCB(Widget widget, XtPointer client_data, XtPointer call_data)
+{
+ Widget pshell = widget;
+ XawPrintShellCallbackStruct *psp = (XawPrintShellCallbackStruct *)call_data;
+ AppPrintData *p = (AppPrintData *)client_data;
+
+ Log(("--> PageSetupCB\n"));
+
+ if (!psp->last_page_in_job) {
+ int currpage;
+ char buffer[256];
+
+ XtVaGetValues(pshell, XawNcurrPageNumInJob, &currpage, NULL);
+
+ sprintf(buffer, "Title: %s / Page: %d/%d", p->jobtitle, currpage, p->numpages);
+ XtVaSetValues(apd->content.pageheaderlabel, XtNlabel, buffer, NULL);
+
+ /* Note: XawPrintShell's pagecount starts with '1'
+ * (=first page is page no. '1') */
+ if (currpage > 1) {
+ Log(("pagedown %d\n", currpage));
+ XtCallActionProc(p->content.text, "next-page", NULL, NULL, 0);
+ }
+ else
+ {
+ Log(("first page\n"));
+ }
+
+ if (currpage >= p->numpages) {
+ psp->last_page_in_job = True;
+ }
+ }
+}
+
+static
+void FinishPrinting(AppPrintData *p)
+{
+ if (p->printtofile_handle) {
+ if (XpuWaitForPrintFileChild(p->printtofile_handle) != XPGetDocFinished) {
+ fprintf(stderr, "%s: Error while printing to file.\n", apd->programname);
+ }
+ p->printtofile_handle = NULL;
+ }
+
+ if (p->printshell) {
+ XtDestroyWidget(p->printshell);
+ p->printshell = NULL;
+ }
+
+ /* Two issues here:
+ * 1. The print display connection is owned by the print dialog
+ * To avoid any problems with that use a callback back to the main
+ * application which calls
+ * |XawPrintDialogClosePrinterConnection(w, False)| to ask the
+ * print dialog widget to close all print display resources and
+ * disown the object.
+ * 2. We have to use XpDestroyContext() and XtCloseDisplay()
+ * instead of XpuClosePrinterDisplay() to make libXt happy...
+ *
+ * Call callback... */
+ (*apd->pdpyDestroyCallback)(NULL, NULL, NULL); /* HACK! */
+
+ /* ... and then get rid of the display */
+ if (p->pcontext != None) {
+ XpDestroyContext(p->pdpy, p->pcontext);
+ }
+ XtCloseDisplay(p->pdpy);
+
+ p->toplevel = NULL;
+ p->isPrinting = False;
+ p->pdpy = NULL;
+ p->pscreen = NULL;
+ p->pcontext = None;
+}
+
+static
+void PrintEndJobCB(Widget pshell, XtPointer client_data, XtPointer call_data)
+{
+ AppPrintData *p = (AppPrintData *)client_data;
+
+ Log(("--> PrintEndJobCB\n"));
+
+ /* Finish printing and destroy print shell (it's legal to destroy Xt
+ * widgets from within it's own callbacks) */
+ FinishPrinting(p);
+}
+
+static
+XFontSet GetPrintTextFontSet(const char *appname, Display *pdpy, long dpi)
+{
+ XFontSet fontset;
+ char fontname[1024];
+ char **missing_charset_list_return;
+ int missing_charset_count_return;
+ char *def_string_return;
+ int i;
+
+ sprintf(fontname, /* Default font for CDE */
+ "-dt-interface user-medium-r-normal-s*-*-120-%ld-%ld-*-*,"
+ /* Default font */
+ "-adobe-courier-medium-r-normal--*-120-%ld-%ld-*-*,"
+ /* Default font for Linux/Japanese locales (ja_JP.SJIS) */
+ "-watanabe-mincho-medium-r-normal--*-120-%ld-%ld-*-*,"
+ "-wadalab-gothic-medium-r-normal--*-120-%ld-%ld-*-*,"
+ /* Fallback */
+ "-*-*-*-*-*--*-120-%ld-%ld-*-*",
+ dpi, dpi,
+ dpi, dpi,
+ dpi, dpi,
+ dpi, dpi,
+ dpi, dpi);
+ fontset = XCreateFontSet(pdpy, fontname,
+ &missing_charset_list_return,
+ &missing_charset_count_return,
+ &def_string_return);
+
+ for( i=0 ; i < missing_charset_count_return ; i++ ) {
+ fprintf(stderr, "%s: warning: font for charset %s is lacking.\n",
+ appname, missing_charset_list_return[i]);
+ }
+
+ if (!fontset)
+ Error(("GetPrintTextFontSet: XCreateFontSet() failure.\n"));
+ return fontset;
+}
+
+void DoPrintTextSource(const char *programname,
+ Widget textsource, Widget toplevel,
+ Display *pdpy, XPContext pcontext,
+ XtCallbackProc pdpyDestroyCB,
+ const char *jobtitle, const char *toFile)
+{
+ long dpi = 0;
+ int n;
+ Arg args[20];
+ XFontSet textfontset = NULL;
+ XFontSetExtents *font_extents;
+
+ apd->programname = programname;
+ apd->pdpyDestroyCallback = pdpyDestroyCB;
+
+ if (apd->isPrinting) {
+ fprintf(stderr, "%s: Already busy with printing.\n", apd->programname);
+ return;
+ }
+
+ /* Configure the print context (paper size, title etc.)
+ * We must do this before creating any Xt widgets - otherwise they will
+ * make wrong assuptions about fonts, resultions etc. ...
+ */
+ XpuSetJobTitle(pdpy, pcontext, jobtitle);
+
+ /* Configuration done, set the context */
+ XpSetContext(pdpy, pcontext);
+
+ /* Get default printer resolution */
+ if (XpuGetResolution(pdpy, pcontext, &dpi) != 1) {
+ fprintf(stderr, "%s: No default resolution for printer.\n", apd->programname);
+ XpuClosePrinterDisplay(pdpy, pcontext);
+ return;
+ }
+
+ apd->toplevel = toplevel;
+ apd->pdpy = pdpy;
+ apd->pcontext = pcontext;
+ apd->pscreen = XpGetScreenOfContext(pdpy, pcontext);
+ apd->jobtitle = jobtitle;
+
+ n = 0;
+ XtSetArg(args[n], XawNlayoutMode, XawPrintLAYOUTMODE_DRAWABLEAREA); n++;
+ apd->printshell = CreatePrintShell(toplevel, apd->pscreen, "printshell", args, n);
+
+ n = 0;
+ XtSetArg(args[n], XtNresizable, True); n++;
+ XtSetArg(args[n], XtNright, XtChainRight); n++;
+ apd->content.form = XtCreateManagedWidget("form", formWidgetClass, apd->printshell, args, n);
+
+ textfontset = GetPrintTextFontSet(apd->programname, pdpy, dpi);
+
+ n = 0;
+ XtSetArg(args[n], XtNinternational, True); n++;
+ XtSetArg(args[n], XtNfromHoriz, NULL); n++;
+ XtSetArg(args[n], XtNfromVert, NULL); n++;
+ XtSetArg(args[n], XtNtop, XtChainTop); n++;
+ XtSetArg(args[n], XtNright, XtChainRight); n++;
+ XtSetArg(args[n], XtNresizable, True); n++;
+ XtSetArg(args[n], XtNfontSet, textfontset); n++;
+ XtSetArg(args[n], XtNlabel, "Page: n/n"); n++;
+ XtSetArg(args[n], XtNjustify, XtJustifyRight); n++;
+ apd->content.pageheaderlabel = XtCreateManagedWidget("pageinfo", labelWidgetClass, apd->content.form, args, n);
+
+ font_extents = XExtentsOfFontSet(textfontset);
+
+ n = 0;
+ XtSetArg(args[n], XtNinternational, True); n++;
+ XtSetArg(args[n], XtNtextSource, textsource); n++;
+ XtSetArg(args[n], XtNscrollHorizontal, XawtextScrollNever); n++;
+ XtSetArg(args[n], XtNscrollVertical, XawtextScrollNever); n++;
+
+/* Usually I would expect that using |XtNfromVert, apd->content.pageheaderlabel|
+ * would be the correct way to place the text widget with the main content below
+ * the page header widget - but for an unknown reason this doesn not work: The
+ * text widget squishes itself into the bottom half of the page and only occupies
+ * 1/2 of the page's with... ;-(( */
+#define WORKAROUND_FOR_SOMETHING_IS_WRONG 1
+#ifdef WORKAROUND_FOR_SOMETHING_IS_WRONG
+ XtSetArg(args[n], XtNtop, XtChainTop); n++;
+ XtSetArg(args[n], XtNright, XtChainRight); n++;
+ XtSetArg(args[n], XtNvertDistance, (font_extents->max_logical_extent.height+2)*2); n++;
+#else
+ XtSetArg(args[n], XtNfromHoriz, NULL); n++;
+ XtSetArg(args[n], XtNfromVert, apd->content.pageheaderlabel); n++;
+#endif
+ XtSetArg(args[n], XtNfontSet, textfontset); n++;
+ apd->content.text = XtCreateManagedWidget("text", asciiTextWidgetClass, apd->content.form, args, n);
+
+ /* Disable the caret - that is not needed for printing */
+ XawTextDisplayCaret(apd->content.text, False);
+
+ XtAddCallback(apd->printshell, XawNpageSetupCallback, PageSetupCB, (XtPointer)apd);
+ XtAddCallback(apd->printshell, XawNendJobCallback, PrintEndJobCB, (XtPointer)apd);
+
+ /* Realise print shell (which will set position+size of the child
+ * widgets based on the current page size) */
+ XtRealizeWidget(apd->printshell);
+
+ /* Count number of pages in the text widget */
+ apd->numpages = CountPages(apd->content.text);
+
+ /* Make sure that the Xt machinery is really using the right screen (assertion) */
+ if (XpGetScreenOfContext(XtDisplay(apd->printshell), apd->pcontext) != XtScreen(apd->printshell))
+ Error(("Widget's screen != print screen. BAD.\n"));
+
+ apd->isPrinting = True;
+
+ if (toFile) {
+ printf("%s: Printing to file '%s'...\n", apd->programname, toFile);
+ apd->printtofile_handle = XpuStartJobToFile(pdpy, pcontext, toFile);
+ if (!apd->printtofile_handle) {
+ perror("XpuStartJobToFile failure");
+ apd->isPrinting = False;
+ return;
+ }
+ }
+ else
+ {
+ printf("%s: Printing to printer...\n", apd->programname);
+ XpuStartJobToSpooler(pdpy);
+ }
+}
+
+