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Diffstat (limited to 'features/org.eclipse.equinox.executable.feature/library/motif/eclipseMotifCommon.c')
| -rw-r--r-- | features/org.eclipse.equinox.executable.feature/library/motif/eclipseMotifCommon.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/features/org.eclipse.equinox.executable.feature/library/motif/eclipseMotifCommon.c b/features/org.eclipse.equinox.executable.feature/library/motif/eclipseMotifCommon.c new file mode 100644 index 000000000..93f21cbd3 --- /dev/null +++ b/features/org.eclipse.equinox.executable.feature/library/motif/eclipseMotifCommon.c @@ -0,0 +1,219 @@ +/******************************************************************************* + * Copyright (c) 2006, 2009 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + * Andrew Niefer + *******************************************************************************/ + +#include "eclipseCommon.h" +#include "eclipseOS.h" +#include "eclipseMotif.h" + +#include <locale.h> +#include <dlfcn.h> +#include <stdlib.h> + +#define ECLIPSE_ICON 401 + +char dirSeparator = '/'; +char pathSeparator = ':'; + +void centreShell( Widget widget, Widget expose ); + +/* Global Variables */ +XtAppContext appContext = 0; +Widget topWindow = 0; + +/* Define local variables for the main window. */ +static int saveArgc = 0; /* arguments after they were parsed, for window system */ +static char** saveArgv = 0; + +int motifInitialized = 0; + +/* Display a Message */ +void displayMessage( char* title, char* message ) +{ + char* displayName = NULL; + Widget msgBox = NULL; + XmString msg; + Arg arg[20]; + int nArgs; + XEvent event; + + /* If there is no associated display, or we fail to initialize Xt, just print the error and return. */ + displayName = getenv("DISPLAY"); + if ( displayName == NULL || strlen(displayName) == 0 || + (topWindow == 0 && initWindowSystem( &saveArgc, saveArgv, 1 ) != 0) ) + { + printf("%s:\n%s\n", title, message); + return; + } + msg = motif.XmStringGenerate( message, NULL, XmCHARSET_TEXT, NULL ); + + /* Output a simple message box. */ + nArgs = 0; + + motif_XtSetArg( arg[ nArgs ], XmNdialogType, XmDIALOG_MESSAGE ); nArgs++; + motif_XtSetArg( arg[ nArgs ], XmNtitle, title ); nArgs++; + motif_XtSetArg( arg[ nArgs ], XmNmessageString, msg ); nArgs++; + msgBox = motif.XmCreateMessageDialog( topWindow, getOfficialName(), arg, nArgs ); + + motif.XtUnmanageChild( motif.XmMessageBoxGetChild( msgBox, XmDIALOG_CANCEL_BUTTON ) ); + motif.XtUnmanageChild( motif.XmMessageBoxGetChild( msgBox, XmDIALOG_HELP_BUTTON ) ); + motif.XtManageChild( msgBox ); + centreShell( msgBox, msgBox ); + if (msg != 0) motif.XmStringFree (msg); + + /* Wait for the OK button to be pressed. */ + while (motif_XtIsRealized( msgBox ) && motif.XtIsManaged( msgBox )) + { + motif.XtAppNextEvent( appContext, &event ); + motif.XtDispatchEvent( &event ); + } + motif.XtDestroyWidget( msgBox ); +} + +/* Initialize Window System + * + * Initialize the Xt and Xlib. + */ +int initWindowSystem( int* pArgc, char* argv[], int showSplash ) +{ + Arg arg[20]; + char * officialName; + + if(motifInitialized == 1) + return 0; + + if (loadMotif() != 0) + return -1; + + /* Save the arguments in case displayMessage() is called in the main launcher. */ + if (saveArgv == 0) + { + saveArgc = *pArgc; + saveArgv = argv; + } + + officialName = getOfficialName(); + if (officialName != NULL) + setenv("RESOURCE_NAME", getOfficialName(), 1); + + /* Create the top level shell that will not be used other than + to initialize the application. + */ +#ifdef AIX + topWindow = motif.eclipseXtInitialize(NULL, officialName, NULL, 0, pArgc, argv); +#else + topWindow = motif.XtInitialize(NULL, officialName, NULL, 0, pArgc, argv); +#endif + appContext = motif.XtWidgetToApplicationContext(topWindow); + motif.XtSetLanguageProc (appContext, NULL, NULL); + motif_XtSetArg( arg[ 0 ], XmNmappedWhenManaged, False ); + motif.XtSetValues( topWindow, arg, 1 ); + motif.XtRealizeWidget( topWindow ); + motifInitialized = 1; + return 0; +} + +/* Centre the shell on the screen. */ +void centreShell( Widget widget, Widget expose ) +{ + XtAppContext context; + XEvent event; + Arg arg[20]; + int nArgs; + Position x, y; + Dimension width, height; + Screen* screen; + int waiting; + short screenWidth, screenHeight; + +#ifndef NO_XINERAMA_EXTENSIONS + Display* display; + int monitorCount; + XineramaScreenInfo* info; +#endif + + /* Realize the shell to calculate its width/height. */ + motif.XtRealizeWidget( widget ); + + /* Get the desired dimensions of the shell. */ + nArgs = 0; + motif_XtSetArg( arg[ nArgs ], XmNwidth, &width ); nArgs++; + motif_XtSetArg( arg[ nArgs ], XmNheight, &height ); nArgs++; + motif_XtSetArg( arg[ nArgs ], XmNscreen, &screen ); nArgs++; + motif.XtGetValues( widget, arg, nArgs ); + + screenWidth = screen->width; + screenHeight = screen->height; +#ifndef NO_XINERAMA_EXTENSIONS + display = motif_XtDisplay( widget ); + if (motif.XineramaIsActive != 0 && motif.XineramaIsActive( display )) { + info = motif.XineramaQueryScreens( display, &monitorCount ); + if (info != 0) { + if (monitorCount > 1) { + screenWidth = info->width; + screenHeight = info->height; + } + motif.XFree (info); + } + } +#endif + + /* Calculate the X and Y position for the shell. */ + x = (screenWidth - width) / 2; + y = (screenHeight - height) / 2; + + /* Set the new shell position and display it. */ + nArgs = 0; + motif_XtSetArg( arg[ nArgs ], XmNx, x ); nArgs++; + motif_XtSetArg( arg[ nArgs ], XmNy, y ); nArgs++; + motif.XtSetValues( widget, arg, nArgs ); + motif_XtMapWidget( widget ); + + /* Wait for an expose event on the desired widget. This wait loop is required when + * the startVM command fails and the message box is created before the splash + * window is displayed. Without this wait, the message box sometimes appears + * under the splash window and the user cannot see it. + */ + context = motif.XtWidgetToApplicationContext( widget ); + waiting = True; + while (waiting) + { + motif.XtAppNextEvent( context, &event ); + if (event.xany.type == Expose && event.xany.window == motif_XtWindow( expose )) + { + waiting = False; + } + motif.XtDispatchEvent( &event ); + } + motif.XFlush( motif_XtDisplay( widget ) ); +} + +/* Load the specified shared library + */ +void * loadLibrary( char * library ){ + void * result= dlopen(library, RTLD_LAZY); + if(result == 0) + printf("%s\n",dlerror()); + return result; +} + +/* Unload the shared library + */ +void unloadLibrary( void * handle ){ + dlclose(handle); +} + +/* Find the given symbol in the shared library + */ +void * findSymbol( void * handle, char * symbol ){ + return dlsym(handle, symbol); +} + |