Initial import of the CDE 2.1.30 sources from the Open Group.
This commit is contained in:
Peter Howkins
481
cde/examples/dtprint/Print.c
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481
cde/examples/dtprint/Print.c
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/* $XConsortium: Print.c /main/16 1996/11/11 10:56:18 drk $ */
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#include "PrintDemo.h"
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/*
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* static function declarations
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*/
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static void PrintCB(Widget, XtPointer, XtPointer);
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static void DoPrint(Widget widget, AppPrintData * p) ;
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static void StartJobCB(Widget, XtPointer, XtPointer);
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static void Print(AppPrintData *p);
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static void PrintCloseDisplayCB(Widget, XtPointer, XtPointer);
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static void PageSetupCB(Widget, XtPointer, XtPointer);
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static void PdmNotifyCB(Widget, XtPointer, XtPointer);
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static void PrintSetupCB(Widget, XtPointer, XtPointer);
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static void FinishPrintToFile(Display*, XPContext, XPGetDocStatus, XPointer);
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static void CreatePrintShell(Widget, AppPrintData*);
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/*
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* ------------------------------------------------------------------------
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* Name: PdmNotifyCB
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*
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* Description:
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*
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* Called when the PDM is up, or down.
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*
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*/
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static void
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PdmNotifyCB(Widget pr_shell, XtPointer client_data, XtPointer call_data)
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{
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XmPrintShellCallbackStruct* pr_cbs =
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(XmPrintShellCallbackStruct*) call_data;
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AppPrintData * p = (AppPrintData *) client_data ;
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if (pr_cbs->reason == XmCR_PDM_NONE) {
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/* put out a real message dialog */
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printf("No PDM found in the environment\n");
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} else
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if (pr_cbs->reason == XmCR_PDM_START_ERROR) {
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/* put out a real message dialog */
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printf("Cannot start the PDM\n");
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} else
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if (pr_cbs->reason == XmCR_PDM_START_VXAUTH) {
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/* put out a real message dialog */
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printf("PDM is not authorized to connect to Video display\n");
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} else
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if (pr_cbs->reason == XmCR_PDM_START_PXAUTH) {
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/* put out a real message dialog */
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printf("PDM is not authorized to connect to Print display\n");
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}
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}
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/*
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* ------------------------------------------------------------------------
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* Name: PrintMenuCB
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*
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* Description:
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*
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* Called when the user selects the "Print..." menu item.
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*
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*/
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void
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PrintMenuCB(Widget pr_button, XtPointer client_data, XtPointer call_data)
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{
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AppPrintData* p = (AppPrintData*)client_data;
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/* only propose a new print job if one is not already running
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shouldn't happen since we put the button insensitive */
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if (!p->printed_lines) {
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CreatePrintSetup(pr_button, p);
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XtManageChild(p->print_dialog); /* popup dialog each time */
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} else {
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/* real dialog here */
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printf("Print job already running\n");
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}
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}
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/*
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* ------------------------------------------------------------------------
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* Name: CreatePrintShell
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*
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* Description:
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*
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* Called when the user selects the "Print" or the "Setup..." button
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* in the setupbox.
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*
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*/
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static void CreatePrintShell(Widget widget, AppPrintData* p)
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{
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/*
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* create a print_shell if none available. the print dialog callback
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* always provides valid printer context and print display initialized:
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* XpInitContext called, attributes set.
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*/
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if (!p->print_shell) {
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p->print_shell =
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XmPrintSetup(widget,
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XpGetScreenOfContext(p->print_data->print_display,
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p->print_data->print_context),
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"Print", NULL, 0);
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XtAddCallback(p->print_shell, XmNpageSetupCallback,
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PageSetupCB, (XtPointer)p);
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XtAddCallback(p->print_shell, XmNpdmNotificationCallback,
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PdmNotifyCB, (XtPointer)p);
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}
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}
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/*
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* ------------------------------------------------------------------------
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* Name: PrintSetupCB
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*
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* Description:
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*
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* Called when the user presses the setup box "Setup..." button.
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*
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*/
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static void
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PrintSetupCB(Widget print_dialog, XtPointer client_data, XtPointer call_data)
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{
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AppPrintData *p = (AppPrintData*)client_data;
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DtPrintSetupCallbackStruct *pbs = (DtPrintSetupCallbackStruct*)call_data;
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int copies ;
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XtVaGetValues(print_dialog, DtNcopies, &copies, NULL);
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if (copies == 3) {
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String attr ;
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Display * pdpy = pbs->print_data->print_display ;
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XPContext pcontext = pbs->print_data->print_context ;
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attr = XpGetAttributes (pdpy, pcontext, XPPageAttr);
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if (attr) printf ("XPPageAttr:\n%s\n----------------------\n", attr);
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attr = XpGetAttributes (pdpy, pcontext, XPDocAttr);
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if (attr) printf ("XPDocAttr:\n%s\n----------------------\n", attr);
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attr = XpGetAttributes (pdpy, pcontext, XPJobAttr);
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if (attr) printf ("XPJobAttr:\n%s\n----------------------\n", attr);
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attr = XpGetAttributes (pdpy, pcontext, XPPrinterAttr);
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if (attr) printf ("XPPrinterAttr:\n%s\n----------------------\n", attr);
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attr = XpGetAttributes (pdpy, pcontext, XPServerAttr);
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if (attr) printf ("XPServerAttr:\n%s\n----------------------\n", attr);
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return ;
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}
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/* copy the setup data into our space */
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if (p->print_data->print_display != NULL)
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DtPrintFreeSetupData(p->print_data);
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DtPrintCopySetupData(p->print_data, pbs->print_data);
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/* create a print shell if not already done */
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CreatePrintShell(print_dialog, p);
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/* pop up the PDM */
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if (XmPrintPopupPDM(p->print_shell, XtParent(print_dialog))
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!= XmPDM_NOTIFY_SUCCESS) {
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/* post a message error dialog */
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printf("XmPrintPopupPDM failed\n");
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}
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/* Free the setup data - use fresh data when Print button pressed. */
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DtPrintFreeSetupData(p->print_data);
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}
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static void
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CancelCB(Widget print_dialog, XtPointer client_data, XtPointer call_data)
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{
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AppPrintData *p = (AppPrintData*)client_data;
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DtPrintSetupCallbackStruct *pbs = (DtPrintSetupCallbackStruct*)call_data;
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/* mostly to try it out */
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XtDestroyWidget(print_dialog); p->print_dialog = NULL ;
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}
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/*
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* ------------------------------------------------------------------------
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* Name: CreatePrintSetup
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*
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* Description:
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*
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* Creates a DtPrintSetupBox dialog.
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*
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*/
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void
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CreatePrintSetup(Widget parent, AppPrintData* p)
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{
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/*
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* only create one PrintSetupBox
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*/
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if(!p->print_dialog)
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{
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Cardinal n = 0;
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Arg args[5];
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/* can be called when print_only is up, which means no need
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for a dialog */
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if(XtIsApplicationShell(parent))
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p->print_dialog =
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DtCreatePrintSetupBox(parent, "PrintSetup", NULL, 0);
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else
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{
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XmString title = XmStringCreateLocalized("Print");
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XtSetArg(args[n], XmNdialogTitle, title); n++;
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p->print_dialog =
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DtCreatePrintSetupDialog(parent, "PrintSetup", args, n);
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XmStringFree(title);
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}
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/*
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* allow the application to customize the print setup box
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*/
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AppObject_customizePrintSetupBox(p->app_object, p->print_dialog);
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/*
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* add typically used callbacks
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*/
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XtAddCallback(p->print_dialog, DtNclosePrintDisplayCallback,
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PrintCloseDisplayCB, p);
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XtAddCallback(p->print_dialog, DtNsetupCallback,
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PrintSetupCB, p);
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XtAddCallback(p->print_dialog, DtNprintCallback,
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PrintCB, p);
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XtAddCallback(p->print_dialog, DtNcancelCallback,
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CancelCB, p);
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/*
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* other callbacks, for attributes management, are available
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*/
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}
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}
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/*
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* ------------------------------------------------------------------------
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* Name: PrintCB
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*
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* Description:
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*
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* Called when the user presses the setup box "Print" button.
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*
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*/
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static void
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PrintCB(Widget print_dialog, XtPointer client_data, XtPointer call_data)
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{
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AppPrintData *p = (AppPrintData*)client_data;
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DtPrintSetupCallbackStruct *pbs = (DtPrintSetupCallbackStruct*)call_data;
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/*
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* get the new printer data from the DtPrintSetupBox, and copy it
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* into our AppPrint data
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*/
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if (p->print_data->print_display != NULL)
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DtPrintFreeSetupData(p->print_data);
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DtPrintCopySetupData(p->print_data, pbs->print_data);
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DoPrint(print_dialog, p);
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}
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/*
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* ------------------------------------------------------------------------
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* Name: QuickPrintCB
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*
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* Description:
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*
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* Called when the user hits "Print" quick button.
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*/
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void
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QuickPrintCB(Widget pr_button, XtPointer client_data, XtPointer call_data)
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{
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AppPrintData *p = (AppPrintData*)client_data;
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CreatePrintSetup(pr_button, p);
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/*
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* check if the DtPrintSetupBox ("Print...") has been called yet
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*/
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if(p->print_data->print_display == NULL)
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{
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/*
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* first time thru print setup, so get default data
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*/
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if (DtPrintFillSetupData(p->print_dialog, p->print_data)
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!= DtPRINT_SUCCESS) {
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/* post some message error dialog */
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printf("DtPrintFillSetupData failed\n");
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return ;
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}
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}
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DoPrint(pr_button, p) ;
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}
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/*
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* ------------------------------------------------------------------------
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* Name: FinishPrintToFile
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*
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* Description:
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*
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* App-specific print data holder allocate function.
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*
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*/
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static void FinishPrintToFile(Display *display,
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XPContext context,
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XPGetDocStatus status,
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XPointer client_data)
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{
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if (status != XPGetDocFinished)
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/* put out a real message dialog */
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printf("Something went wrong with XmPrintToFile...\n");
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else
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printf("XmPrintToFile completed OK\n");
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}
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/*
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* ------------------------------------------------------------------------
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* Name: DoPrint
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*
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* Description:
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*
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* Routine used from the "Print" button and from the OK button of the
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* "Print..." dialog.
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*
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*/
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static void
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DoPrint(Widget widget, AppPrintData * p)
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{
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int save_data = XPSpool;
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/* create print shell, if not done yet */
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CreatePrintShell(widget, p);
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if (p->print_data->destination == DtPRINT_TO_FILE)
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save_data = XPGetData;
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/* start job must precede XpGetDocumentData in XmPrintToFile */
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XpStartJob(XtDisplay(p->print_shell), save_data);
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/* setup print to file */
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if (p->print_data->destination == DtPRINT_TO_FILE)
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{
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if (!XmPrintToFile(XtDisplay(p->print_shell),
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p->print_data->dest_info, FinishPrintToFile, NULL))
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{
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/* Add real error message here. */
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printf("XmPrintToFile: Unable to print to file %s\n",
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p->print_data->dest_info);
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XpCancelJob(XtDisplay(p->print_shell), False);
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/* we can go back to the event loop as if we had never
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printed */
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return;
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}
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}
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XtSetSensitive(p->pr_button, False);
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}
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/*
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* ------------------------------------------------------------------------
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* Name: PageSetupCB
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*
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* Description:
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*
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* Called when the print shell receives the XP events.
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*
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*/
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static void
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PageSetupCB(Widget widget, XtPointer client_data, XtPointer call_data)
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{
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Widget pshell = widget ;
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XmPrintShellCallbackStruct* pr_cbs =
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(XmPrintShellCallbackStruct*) call_data;
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AppPrintData * p = (AppPrintData *) client_data ;
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/* could have real indicator of progress here */
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printf("Printed Lines %d\n", p->printed_lines);
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/* the first time around, create a print text widget and get
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line info - equivalent for testing for first page*/
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if (!pr_cbs->last_page && !p->printed_lines) {
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/* create the widgets once */
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if (!p->pform) {
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/* create a form widget with some fixed margins */
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p->pform = XtVaCreateManagedWidget("pform", xmFormWidgetClass,
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pshell, NULL);
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/* create a text widget */
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p->ptext = XtVaCreateManagedWidget("ptext", xmTextWidgetClass,
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p->pform, NULL);
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}
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/* transfer value from file buffer to print text widget */
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XmTextSetString(p->ptext, p->app_object->file_buffer );
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/* get lines per page and total lines */
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XtVaGetValues(p->ptext, XmNrows, &(p->lines_per_page),
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XmNtotalLines, &(p->total_lines), NULL);
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p->printed_lines += p->lines_per_page ;
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/* If I'm already done: fit in one page, set last_page up */
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if (p->printed_lines >= p->total_lines)
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pr_cbs->last_page = True ;
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/* that will have for effect in the shell to start a page, end it,
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and then end the job */
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return ;
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}
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/* if not the first page - see previous test, and not the last
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scroll for next page */
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if (!pr_cbs->last_page) {
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XmTextScroll(p->ptext, p->lines_per_page);
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p->printed_lines += p->lines_per_page ;
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/* if last page, say it */
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if (p->printed_lines >= p->total_lines) pr_cbs->last_page = True ;
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} else {
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/* job done. reset our counter, and keep print shell around
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for next print job, just pop it down
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reset the Print... button sensitive */
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XtPopdown(pshell);
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p->printed_lines = 0 ;
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XtSetSensitive(p->pr_button, True);
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}
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}
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/*
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* ------------------------------------------------------------------------
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* Name: PrintCloseDisplayCB
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*
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* Description:
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*
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* Called when the print setup box is about to close the print
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* display (in response to a new printer on a different display, or
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* when the setup box is destroyed, or from DtPrintResetConnection).
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*/
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static void
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PrintCloseDisplayCB(
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Widget widget,
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XtPointer client_data,
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XtPointer call_data)
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{
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DtPrintSetupCallbackStruct *pbs = (DtPrintSetupCallbackStruct*)call_data;
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AppPrintData *p = (AppPrintData*)client_data;
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if (p->print_shell)
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{
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XtDestroyWidget(p->print_shell);
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p->print_shell = (Widget)NULL ;
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/* must remember that the children are gone, as well */
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p->ptext = p->pform = NULL;
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}
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DtPrintFreeSetupData(p->print_data);
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/* that nulls out p->print_data->print_display */
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}
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/*
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* ------------------------------------------------------------------------
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* Name: AppPrintData_new
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*
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* Description:
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*
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* App-specific print data holder allocate function.
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*
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*/
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AppPrintData*
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AppPrintData_new()
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{
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AppPrintData* p = (AppPrintData*)XtCalloc(1, sizeof(AppPrintData));
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p->print_data = (DtPrintSetupData*)XtCalloc(1, sizeof(DtPrintSetupData));
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return p;
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}
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