void PrintableWindow::xmove(int left1, int top) {
const Display& d = *display();
XEvent event;
int x = 0, y = 0;
static int xoff = 0, yoff = 0;
WindowRep& w = *((Window*)this)->rep();
get_position(d.rep()->display_, w.xwindow_, &x, &y);
for (int i= 0; (left1 != x || top != y) && i < 10; i++) {
XMoveWindow(d.rep()->display_, w.xwindow_,
left1+xoff, top+yoff);
XPeekIfEvent(d.rep()->display_, &event, WaitForEvent,
(char *)ConfigureNotify);
get_position(d.rep()->display_, w.xwindow_, &x, &y);
if (left1 != x || top != y) {
XIfEvent(d.rep()->display_, &event, WaitForEvent,
(char *)ConfigureNotify);
xoff = left1 - x;
yoff = top - y;
}
printf("x=%d y=%d, left1=%d top=%d xoff = %d yoff = %d\n",
x, y, left1, top, xoff, yoff);
}
}
static Bool
LookAhead(Widget w, XEvent *event)
{
XEvent newEvent;
struct EventData eventData;
if (QLength(XtDisplay(w)) == 0)
return (False);
eventData.count = 0;
eventData.oldEvent = event;
XPeekIfEvent(XtDisplay(w), &newEvent, PeekNotifyEvent, (char*)&eventData);
if (CompareEvents(event, &newEvent))
return (True);
return (False);
}
void init_graphics (char *window_name) {
/* Open the toplevel window, get the colors, 2 graphics *
* contexts, load a font, and set up the toplevel window *
* Calls build_menu to set up the menu. */
char *display_name = NULL;
int x, y; /* window position */
unsigned int border_width = 2; /* ignored by OpenWindows */
XTextProperty windowName;
/* X Windows' names for my colours. */
char *cnames[NUM_COLOR] = {"white", "black", "grey55", "grey75", "blue",
"green", "yellow", "cyan", "red", "RGBi:0.0/0.5/0.0" };
XColor exact_def;
Colormap cmap;
int i;
unsigned long valuemask = 0; /* ignore XGCvalues and use defaults */
XGCValues values;
XEvent event;
disp_type = SCREEN; /* Graphics go to screen, not ps */
for (i=0;i<=MAX_FONT_SIZE;i++)
font_is_loaded[i] = 0; /* No fonts loaded yet. */
/* connect to X server */
/* connect to X server */
if ( (display=XOpenDisplay(display_name)) == NULL )
{
fprintf( stderr, "Cannot connect to X server %s\n",
XDisplayName(display_name));
exit( -1 );
}
/* get screen size from display structure macro */
screen_num = DefaultScreen(display);
display_width = DisplayWidth(display, screen_num);
display_height = DisplayHeight(display, screen_num);
x = y = 0;
top_width = 2*display_width/3;
top_height = 4*display_height/5;
cmap = DefaultColormap(display, screen_num);
private_cmap = None;
for (i=0;i<NUM_COLOR;i++) {
if (!XParseColor(display,cmap,cnames[i],&exact_def)) {
fprintf(stderr, "Color name %s not in database", cnames[i]);
exit(-1);
}
if (!XAllocColor(display, cmap, &exact_def)) {
fprintf(stderr, "Couldn't allocate color %s.\n",cnames[i]);
if (private_cmap == None) {
fprintf(stderr, "Will try to allocate a private colourmap.\n");
fprintf(stderr, "Colours will only display correctly when your "
"cursor is in the graphics window.\n"
"Exit other colour applications and rerun this "
"program if you don't like that.\n\n");
private_cmap = XCopyColormapAndFree (display, cmap);
cmap = private_cmap;
if (!XAllocColor (display, cmap, &exact_def)) {
fprintf (stderr, "Couldn't allocate color %s as private.\n",
cnames[i]);
exit (1);
}
}
else {
fprintf (stderr, "Couldn't allocate color %s as private.\n",
cnames[i]);
exit (1);
}
}
colors[i] = exact_def.pixel;
}
toplevel = XCreateSimpleWindow(display,RootWindow(display,screen_num),
x, y, top_width, top_height, border_width, colors[BLACK],
colors[WHITE]);
if (private_cmap != None)
XSetWindowColormap (display, toplevel, private_cmap);
/* hints stuff deleted. */
XSelectInput (display, toplevel, ExposureMask | StructureNotifyMask |
ButtonPressMask);
/* Create default Graphics Contexts. valuemask = 0 -> use defaults. */
gc = XCreateGC(display, toplevel, valuemask, &values);
gc_menus = XCreateGC(display, toplevel, valuemask, &values);
/* Create XOR graphics context for Rubber Banding */
values.function = GXxor;
values.foreground = colors[BLACK];
gcxor = XCreateGC(display, toplevel, (GCFunction | GCForeground),
&values);
/* specify font for menus. */
load_font(menu_font_size);
font_is_loaded[menu_font_size] = 1;
XSetFont(display, gc_menus, font_info[menu_font_size]->fid);
/* Set drawing defaults for user-drawable area. Use whatever the *
* initial values of the current stuff was set to. */
force_setfontsize(currentfontsize);
force_setcolor (currentcolor);
force_setlinestyle (currentlinestyle);
force_setlinewidth (currentlinewidth);
XStringListToTextProperty(&window_name, 1, &windowName);
XSetWMName (display, toplevel, &windowName);
/* XSetWMIconName (display, toplevel, &windowName); */
/* set line attributes */
/* XSetLineAttributes(display, gc, line_width, line_style,
cap_style, join_style); */
/* set dashes */
/* XSetDashes(display, gc, dash_offset, dash_list, list_length); */
XMapWindow (display, toplevel);
build_textarea();
build_menu();
/* The following is completely unnecessary if the user is using the *
* interactive (event_loop) graphics. It waits for the first Expose *
* event before returning so that I can tell the window manager has got *
* the top-level window up and running. Thus the user can start drawing *
* into this window immediately, and there's no danger of the window not *
* being ready and output being lost. */
XPeekIfEvent (display, &event, test_if_exposed, NULL);
}
/*
* Opens a window. Requires a SFG_Window object created and attached
* to the freeglut structure. OpenGL context is created here.
*/
void fgPlatformOpenWindow( SFG_Window* window, const char* title,
GLboolean positionUse, int x, int y,
GLboolean sizeUse, int w, int h,
GLboolean gameMode, GLboolean isSubWindow )
{
XVisualInfo * visualInfo = NULL;
XSetWindowAttributes winAttr;
XTextProperty textProperty;
XSizeHints sizeHints;
XWMHints wmHints;
XEvent eventReturnBuffer; /* return buffer required for a call */
unsigned long mask;
unsigned int current_DisplayMode = fgState.DisplayMode ;
XConfigureEvent fakeEvent = {0};
/* Save the display mode if we are creating a menu window */
if( window->IsMenu && ( ! fgStructure.MenuContext ) )
fgState.DisplayMode = GLUT_DOUBLE | GLUT_RGB ;
#ifdef EGL_VERSION_1_0
#define WINDOW_CONFIG window->Window.pContext.egl.Config
#else
#define WINDOW_CONFIG window->Window.pContext.FBConfig
#endif
fghChooseConfig(&WINDOW_CONFIG);
if( window->IsMenu && ( ! fgStructure.MenuContext ) )
fgState.DisplayMode = current_DisplayMode ;
if( ! WINDOW_CONFIG )
{
/*
* The "fghChooseConfig" returned a null meaning that the visual
* context is not available.
* Try a couple of variations to see if they will work.
*/
#ifndef EGL_VERSION_1_0
if( !( fgState.DisplayMode & GLUT_DOUBLE ) )
{
fgState.DisplayMode |= GLUT_DOUBLE ;
fghChooseConfig(&WINDOW_CONFIG);
fgState.DisplayMode &= ~GLUT_DOUBLE;
}
#endif
if( fgState.DisplayMode & GLUT_MULTISAMPLE )
{
fgState.DisplayMode &= ~GLUT_MULTISAMPLE ;
fghChooseConfig(&WINDOW_CONFIG);
fgState.DisplayMode |= GLUT_MULTISAMPLE;
}
}
FREEGLUT_INTERNAL_ERROR_EXIT( WINDOW_CONFIG != NULL,
"FBConfig with necessary capabilities not found", "fgOpenWindow" );
/* Get the X visual. */
#ifdef EGL_VERSION_1_0
EGLint vid = 0;
XVisualInfo visualTemplate;
int num_visuals;
if (!eglGetConfigAttrib(fgDisplay.pDisplay.egl.Display, window->Window.pContext.egl.Config, EGL_NATIVE_VISUAL_ID, &vid))
fgError("eglGetConfigAttrib(EGL_NATIVE_VISUAL_ID) failed");
visualTemplate.visualid = vid;
visualInfo = XGetVisualInfo(fgDisplay.pDisplay.Display, VisualIDMask, &visualTemplate, &num_visuals);
#else
visualInfo = glXGetVisualFromFBConfig( fgDisplay.pDisplay.Display,
window->Window.pContext.FBConfig );
#endif
FREEGLUT_INTERNAL_ERROR_EXIT( visualInfo != NULL,
"visualInfo could not be retrieved from FBConfig", "fgOpenWindow" );
/*
* XXX HINT: the masks should be updated when adding/removing callbacks.
* XXX This might speed up message processing. Is that true?
* XXX
* XXX A: Not appreciably, but it WILL make it easier to debug.
* XXX Try tracing old GLUT and try tracing freeglut. Old GLUT
* XXX turns off events that it doesn't need and is a whole lot
* XXX more pleasant to trace. (Think mouse-motion! Tons of
* XXX ``bonus'' GUI events stream in.)
*/
winAttr.event_mask =
StructureNotifyMask | SubstructureNotifyMask | ExposureMask |
ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask |
VisibilityChangeMask | EnterWindowMask | LeaveWindowMask |
PointerMotionMask | ButtonMotionMask;
winAttr.background_pixmap = None;
winAttr.background_pixel = 0;
winAttr.border_pixel = 0;
winAttr.colormap = XCreateColormap(
fgDisplay.pDisplay.Display, fgDisplay.pDisplay.RootWindow,
visualInfo->visual, AllocNone
);
mask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask;
if( window->IsMenu || ( gameMode == GL_TRUE ) )
{
winAttr.override_redirect = True;
mask |= CWOverrideRedirect;
}
if( ! positionUse )
x = y = -1; /* default window position */
if( ! sizeUse )
w = h = 300; /* default window size */
window->Window.Handle = XCreateWindow(
fgDisplay.pDisplay.Display,
window->Parent == NULL ? fgDisplay.pDisplay.RootWindow :
window->Parent->Window.Handle,
x, y, w, h, 0,
visualInfo->depth, InputOutput,
visualInfo->visual, mask,
&winAttr
);
/* Fake configure event to force viewport setup
* even with no window manager.
*/
fakeEvent.type = ConfigureNotify;
fakeEvent.display = fgDisplay.pDisplay.Display;
fakeEvent.window = window->Window.Handle;
fakeEvent.x = x;
fakeEvent.y = y;
fakeEvent.width = w;
fakeEvent.height = h;
XPutBackEvent(fgDisplay.pDisplay.Display, (XEvent*)&fakeEvent);
/*
* The GLX context creation, possibly trying the direct context rendering
* or else use the current context if the user has so specified
*/
if( window->IsMenu )
{
/*
* If there isn't already an OpenGL rendering context for menu
* windows, make one
*/
if( !fgStructure.MenuContext )
{
fgStructure.MenuContext =
(SFG_MenuContext *)malloc( sizeof(SFG_MenuContext) );
fgStructure.MenuContext->MContext = fghCreateNewContext( window );
}
/* window->Window.Context = fgStructure.MenuContext->MContext; */
window->Window.Context = fghCreateNewContext( window );
}
else if( fgState.UseCurrentContext )
{
#ifdef EGL_VERSION_1_0
window->Window.Context = eglGetCurrentContext( );
#else
window->Window.Context = glXGetCurrentContext( );
#endif
if( ! window->Window.Context )
window->Window.Context = fghCreateNewContext( window );
}
else
window->Window.Context = fghCreateNewContext( window );
#if !defined( __FreeBSD__ ) && !defined( __NetBSD__ ) && !defined(EGL_VERSION_1_0)
if( !glXIsDirect( fgDisplay.pDisplay.Display, window->Window.Context ) )
{
if( fgState.DirectContext == GLUT_FORCE_DIRECT_CONTEXT )
fgError( "Unable to force direct context rendering for window '%s'",
title );
}
#endif
sizeHints.flags = 0;
if ( positionUse )
sizeHints.flags |= USPosition;
if ( sizeUse )
sizeHints.flags |= USSize;
/*
* Fill in the size hints values now (the x, y, width and height
* settings are obsolete, are there any more WMs that support them?)
* Unless the X servers actually stop supporting these, we should
* continue to fill them in. It is *not* our place to tell the user
* that they should replace a window manager that they like, and which
* works, just because *we* think that it's not "modern" enough.
*/
sizeHints.x = x;
sizeHints.y = y;
sizeHints.width = w;
sizeHints.height = h;
wmHints.flags = StateHint;
wmHints.initial_state = fgState.ForceIconic ? IconicState : NormalState;
/* Prepare the window and iconified window names... */
XStringListToTextProperty( (char **) &title, 1, &textProperty );
XSetWMProperties(
fgDisplay.pDisplay.Display,
window->Window.Handle,
&textProperty,
&textProperty,
0,
0,
&sizeHints,
&wmHints,
NULL
);
XFree( textProperty.value );
XSetWMProtocols( fgDisplay.pDisplay.Display, window->Window.Handle,
&fgDisplay.pDisplay.DeleteWindow, 1 );
#ifdef EGL_VERSION_1_0
fghPlatformOpenWindowEGL(window);
#else
glXMakeContextCurrent(
fgDisplay.pDisplay.Display,
window->Window.Handle,
window->Window.Handle,
window->Window.Context
);
#endif
#ifdef FREEGLUT_REGAL
RegalMakeCurrent(window->Window.Context);
#endif
/* register extension events _before_ window is mapped */
#ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
fgRegisterDevices( fgDisplay.pDisplay.Display, &(window->Window.Handle) );
#endif
if (!window->IsMenu) /* Don't show window after creation if its a menu */
{
XMapWindow( fgDisplay.pDisplay.Display, window->Window.Handle );
window->State.Visible = GL_TRUE;
}
XFree(visualInfo);
/* wait till window visible */
if( !isSubWindow && !window->IsMenu)
XPeekIfEvent( fgDisplay.pDisplay.Display, &eventReturnBuffer, &fghWindowIsVisible, (XPointer)(window->Window.Handle) );
#undef WINDOW_CONFIG
}
void
DtcmProcessPress(
Widget w,
XEvent *event,
String *params,
Cardinal *num_params)
{
int i, action, cur_item;
int *selected_positions, nselected_positions;
/*
* This action happens when Button1 is pressed and the Selection
* and Transfer are integrated on Button1. It is passed two
* parameters: the action to call when the event is a selection,
* and the action to call when the event is a transfer.
*/
if (*num_params != 2 || !XmIsList(w))
return;
action = SELECTION_ACTION;
cur_item = XmListYToPos(w, event->xbutton.y);
if (cur_item > 0)
{
XtVaGetValues(w,
XmNselectedPositions, &selected_positions,
XmNselectedPositionCount, &nselected_positions,
NULL);
for (i=0; i<nselected_positions; i++)
{
if (cur_item == selected_positions[i])
{
/*
* The determination of whether this is a transfer drag
* cannot be made until a Motion event comes in. It is
* not a drag as soon as a ButtonUp event happens.
*/
XEvent new_event;
XPeekIfEvent(
XtDisplay(w),
&new_event,
lookForButton,
(XPointer)event);
switch (new_event.type)
{
case MotionNotify:
action = TRANSFER_ACTION;
break;
case ButtonRelease:
action = SELECTION_ACTION;
break;
}
break;
}
}
}
XtCallActionProc(w, params[action], event, params, *num_params);
}
