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Add basic Xinerama support via new lib/DtXinerama

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This adds a basic library and support to dtsession and dtlogin to
support Xinerama/Twinview, where multimple monitors are used to make
up an X11 screen.

The main goal here is to draw dialogs and such centered on a monitor,
rather than spread out over multiple monitors.

Might need to add sorting - as on my test system, what I would
consider monitor 0, appears to actually be monitor 1.  So a sort might
need to be added to sort the screens according to increasing x and y
offsets so it make sense to a user.

Also, this library is built statically and not documented.  Maybe it
could be 'filled' out and refactored/redesigned in the futre if need
be and suppoerted.

It is enabled via a define, CDE_USEXINERAMA in site.def.  It's a very
simple lib, so I do not expect any issues with the BSD's - it should
build and work fine, assuming your X server has the XINERAMA
extension, which I think pretty much all of them do at this point.
This commit is contained in:
Jon Trulson
2013-03-26 19:49:50 -06:00
parent 208c1e4999
commit af7ba55f78
19 changed files with 477 additions and 36 deletions
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41
cde/programs/dtlogin/dtchooser.c
View File

@@ -89,8 +89,9 @@
#include "vgmsg.h"
#include <Dt/MenuButton.h>
#ifdef USE_XINERAMA
#include <DtXinerama.h>
#endif
/***************************************************************************
@@ -264,6 +265,13 @@ static
XtRString, sizeof(char *), XtOffset(AppInfoPtr, languageList),
XtRString, NULL },
#if defined(USE_XINERAMA)
{ "xineramaPreferredScreen", "XineramaPreferredScreen",
XtRInt, sizeof(int), XtOffset(AppInfoPtr, xineramaPreferredScreen),
XtRImmediate, (XtPointer) 0
},
#endif
#if defined (ENABLE_DYNAMIC_LANGLIST)
{"languageListCmd", "LanguageListCmd",
XtRString, sizeof(char *), XtOffset(AppInfoPtr, languageListCmd),
@@ -662,8 +670,9 @@ MakeDialog( DialogType dtype )
Widget w, text;
Dimension txt_width, txt_height;
XmString ok, cancel, nw, sv;
Widget tlev;
/*
* do things common to all dialogs...
*/
@@ -684,13 +693,25 @@ MakeDialog( DialogType dtype )
* create the various dialogs...
*/
/* JET - check the matte widget, and if non-null, well use that as
* the parent for dialogs. Otherwise use table (the original
* toplevel widget for this func). This is useful for Xinerama so
* that child dialogs are centered on the matte, and not the whole
* SLS screen.
*/
if (matte != (Widget)NULL)
tlev = matte;
else
tlev = table;
switch (dtype) {
case error:
xmstr = ReadCatalogXms(MC_ERROR_SET, MC_LOGIN, "");
XtSetArg(argt[i], XmNmessageString, xmstr ); i++;
w = XmCreateErrorDialog(table, "error_message", argt, i);
w = XmCreateErrorDialog(tlev, "error_message", argt, i);
XtUnmanageChild(XmMessageBoxGetChild(w,XmDIALOG_CANCEL_BUTTON));
XtUnmanageChild(XmMessageBoxGetChild(w,XmDIALOG_HELP_BUTTON));
@@ -701,7 +722,7 @@ MakeDialog( DialogType dtype )
case help:
xmstr = ReadCatalogXms(MC_HELP_SET, MC_HELP, MC_DEF_HELP);
XtSetArg(argt[i], XmNmessageString, xmstr ); i++;
w = XmCreateInformationDialog(table, "help_message", argt, i);
w = XmCreateInformationDialog(tlev, "help_message", argt, i);
XtUnmanageChild(XmMessageBoxGetChild(w,XmDIALOG_CANCEL_BUTTON));
XtUnmanageChild(XmMessageBoxGetChild(w,XmDIALOG_HELP_BUTTON));
@@ -754,7 +775,7 @@ MakeDialog( DialogType dtype )
fclose(fp);
XtSetArg(argt[i], XmNmessageString, xmstr ); i++;
w = XmCreateInformationDialog(table, "copyright_msg", argt, i);
w = XmCreateInformationDialog(tlev, "copyright_msg", argt, i);
XtUnmanageChild(XmMessageBoxGetChild(w,XmDIALOG_CANCEL_BUTTON));
XtUnmanageChild(XmMessageBoxGetChild(w,XmDIALOG_HELP_BUTTON));
@@ -774,7 +795,7 @@ MakeDialog( DialogType dtype )
XtSetArg(argt[i], XmNokLabelString, nw ); i++;
XtSetArg(argt[i], XmNcancelLabelString, sv ); i++;
w = XmCreateWarningDialog(table, "hostname_msg", argt, i);
w = XmCreateWarningDialog(tlev, "hostname_msg", argt, i);
XtUnmanageChild(XmMessageBoxGetChild(w,XmDIALOG_HELP_BUTTON));
@@ -791,7 +812,7 @@ MakeDialog( DialogType dtype )
MC_DEF_PASSWD_EXPIRED);
XtSetArg(argt[i], XmNmessageString, xmstr ); i++;
w = XmCreateQuestionDialog(table, "password_msg", argt, i);
w = XmCreateQuestionDialog(tlev, "password_msg", argt, i);
XtUnmanageChild(XmMessageBoxGetChild(w,XmDIALOG_HELP_BUTTON));
@@ -802,7 +823,7 @@ MakeDialog( DialogType dtype )
case help_chooser:
xmstr = ReadCatalogXms(MC_HELP_SET, MC_HELP_CHOOSER, MC_DEF_HELP_CHOOSER);
w = XmCreateInformationDialog(table, "help_message", argt, i);
w = XmCreateInformationDialog(tlev, "help_message", argt, i);
XtUnmanageChild(XmMessageBoxGetChild(w,XmDIALOG_CANCEL_BUTTON));
XtUnmanageChild(XmMessageBoxGetChild(w,XmDIALOG_HELP_BUTTON));