| /* |
| * Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #ifndef HEADLESS |
| |
| #include <X11/IntrinsicP.h> |
| #include "VDrawingAreaP.h" |
| |
| #endif /* !HEADLESS */ |
| |
| #include <stdio.h> |
| #include <malloc.h> |
| |
| #ifdef __linux__ |
| /* XXX: Shouldn't be necessary. */ |
| #include "awt_p.h" |
| #endif /* __linux__ */ |
| |
| |
| /****************************************************************** |
| * |
| * Provides Canvas widget which allows the X11 visual to be |
| * changed (the Motif DrawingArea restricts the visual to that |
| * of the parent widget). |
| * |
| ******************************************************************/ |
| |
| |
| /****************************************************************** |
| * |
| * VDrawingArea Widget Resources |
| * |
| ******************************************************************/ |
| |
| #ifndef HEADLESS |
| #define Offset(x) (XtOffsetOf(VDrawingAreaRec, x)) |
| static XtResource resources[]= |
| { |
| { XtNvisual, XtCVisual, XtRVisual, sizeof(Visual*), |
| Offset(vdrawing_area.visual), XtRImmediate, CopyFromParent} |
| }; |
| |
| |
| static void Realize(); |
| static Boolean SetValues(); |
| static void Destroy (); |
| |
| static XmBaseClassExtRec baseClassExtRec = { |
| NULL, |
| NULLQUARK, |
| XmBaseClassExtVersion, |
| sizeof(XmBaseClassExtRec), |
| NULL, /* InitializePrehook */ |
| NULL, /* SetValuesPrehook */ |
| NULL, /* InitializePosthook */ |
| NULL, /* SetValuesPosthook */ |
| NULL, /* secondaryObjectClass */ |
| NULL, /* secondaryCreate */ |
| NULL, /* getSecRes data */ |
| { 0 }, /* fastSubclass flags */ |
| NULL, /* getValuesPrehook */ |
| NULL, /* getValuesPosthook */ |
| NULL, /* classPartInitPrehook */ |
| NULL, /* classPartInitPosthook*/ |
| NULL, /* ext_resources */ |
| NULL, /* compiled_ext_resources*/ |
| 0, /* num_ext_resources */ |
| FALSE, /* use_sub_resources */ |
| NULL, /* widgetNavigable */ |
| NULL, /* focusChange */ |
| NULL /* wrapper_data */ |
| }; |
| |
| VDrawingAreaClassRec vDrawingAreaClassRec = { |
| { |
| /* Core class part */ |
| |
| /* superclass */ (WidgetClass)&xmDrawingAreaClassRec, |
| /* class_name */ "VDrawingArea", |
| /* widget_size */ sizeof(VDrawingAreaRec), |
| /* class_initialize */ NULL, |
| /* class_part_initialize*/ NULL, |
| /* class_inited */ FALSE, |
| /* initialize */ NULL, |
| /* initialize_hook */ NULL, |
| /* realize */ Realize, |
| /* actions */ NULL, |
| /* num_actions */ 0, |
| /* resources */ resources, |
| /* num_resources */ XtNumber(resources), |
| /* xrm_class */ NULLQUARK, |
| /* compress_motion */ FALSE, |
| /* compress_exposure */ FALSE, |
| /* compress_enterleave*/ FALSE, |
| /* visible_interest */ FALSE, |
| /* destroy */ Destroy, |
| /* resize */ XtInheritResize, |
| /* expose */ XtInheritExpose, |
| /* set_values */ SetValues, |
| /* set_values_hook */ NULL, |
| /* set_values_almost */ XtInheritSetValuesAlmost, |
| /* get_values_hook */ NULL, |
| /* accept_focus */ NULL, |
| /* version */ XtVersion, |
| /* callback_offsets */ NULL, |
| /* tm_table */ NULL, |
| /* query_geometry */ NULL, |
| /* display_accelerator */ NULL, |
| /* extension */ NULL |
| }, |
| |
| { /* composite_class fields */ |
| XtInheritGeometryManager, /* geometry_manager */ |
| XtInheritChangeManaged, /* change_managed */ |
| XtInheritInsertChild, /* insert_child */ |
| XtInheritDeleteChild, /* delete_child */ |
| NULL, /* extension */ |
| }, |
| |
| { /* constraint_class fields */ |
| NULL, /* resource list */ |
| 0, /* num resources */ |
| 0, /* constraint size */ |
| NULL, /* init proc */ |
| NULL, /* destroy proc */ |
| NULL, /* set values proc */ |
| NULL, /* extension */ |
| }, |
| |
| { /* manager_class fields */ |
| XtInheritTranslations, /* translations */ |
| NULL, /* syn_resources */ |
| 0, /* num_get_resources */ |
| NULL, /* syn_cont_resources */ |
| 0, /* num_get_cont_resources */ |
| XmInheritParentProcess, /* parent_process */ |
| NULL, /* extension */ |
| }, |
| |
| { /* drawingArea class */ |
| /* extension */ NULL |
| }, |
| |
| /* VDrawingArea class part */ |
| { |
| /* extension */ NULL |
| } |
| }; |
| |
| WidgetClass vDrawingAreaClass = (WidgetClass)&vDrawingAreaClassRec; |
| |
| static Boolean |
| SetValues(cw, rw, nw, args, num_args) |
| Widget cw; |
| Widget rw; |
| Widget nw; |
| ArgList args; |
| Cardinal *num_args; |
| { |
| VDrawingAreaWidget current = (VDrawingAreaWidget)cw; |
| VDrawingAreaWidget new_w = (VDrawingAreaWidget)nw; |
| |
| if (new_w->vdrawing_area.visual != current->vdrawing_area.visual) { |
| new_w->vdrawing_area.visual = current->vdrawing_area.visual; |
| #ifdef DEBUG |
| fprintf(stdout, "VDrawingArea.SetValues: can't change visual from: visualID=%ld to visualID=%ld\n", |
| current->vdrawing_area.visual->visualid, |
| new_w->vdrawing_area.visual->visualid); |
| #endif |
| |
| } |
| |
| return (False); |
| } |
| |
| int |
| FindWindowInList (Window parentWindow, Window *colormap_windows, int count) |
| { |
| int i; |
| |
| for (i = 0; i < count; i++) |
| if (colormap_windows [i] == parentWindow) |
| return i; |
| return -1; |
| } |
| |
| static void |
| Realize(w, value_mask, attributes) |
| Widget w; |
| XtValueMask *value_mask; |
| XSetWindowAttributes *attributes; |
| { |
| Widget parent; |
| Status status; |
| Window *colormap_windows; |
| Window *new_colormap_windows; |
| int count; |
| int i; |
| VDrawingAreaWidget vd = (VDrawingAreaWidget)w; |
| |
| #ifdef DEBUG |
| fprintf(stdout, "VDrawingArea.Realize: visualID=%ld, depth=%d\n", |
| vd->vdrawing_area.visual->visualid, w->core.depth); |
| #endif |
| |
| /* 4328588: |
| * Since we have our own Realize() function, we don't execute the one for |
| * our super-super class, XmManager, and miss the code which checks that |
| * height and width != 0. I've added that here. -bchristi |
| */ |
| if (!XtWidth(w)) XtWidth(w) = 1 ; |
| if (!XtHeight(w)) XtHeight(w) = 1 ; |
| |
| w->core.window = XCreateWindow (XtDisplay (w), XtWindow (w->core.parent), |
| w->core.x, w->core.y, w->core.width, w->core.height, |
| 0, w->core.depth, InputOutput, |
| vd->vdrawing_area.visual, |
| *value_mask, attributes ); |
| |
| /* Need to add this window to the list of Colormap windows */ |
| parent = XtParent (w); |
| while ((parent != NULL) && (!(XtIsShell (parent)))) |
| parent = XtParent (parent); |
| if (parent == NULL) { |
| fprintf (stderr, "NO TopLevel widget?!\n"); |
| return; |
| } |
| |
| status = XGetWMColormapWindows (XtDisplay (w), XtWindow (parent), |
| &colormap_windows, &count); |
| |
| /* If status is zero, add this window and shell to the list |
| of colormap Windows */ |
| if (status == 0) { |
| new_colormap_windows = (Window *) calloc (2, sizeof (Window)); |
| new_colormap_windows [0] = XtWindow (w); |
| new_colormap_windows [1] = XtWindow (parent); |
| XSetWMColormapWindows (XtDisplay (w), XtWindow (parent), |
| new_colormap_windows, 2); |
| free (new_colormap_windows); |
| } else { |
| /* Check if parent is already in the list */ |
| int parent_entry = -1; |
| |
| if (count > 0) |
| parent_entry = FindWindowInList (XtWindow (parent), |
| colormap_windows, count); |
| if (parent_entry == -1) { /* Parent not in list */ |
| new_colormap_windows = (Window *) calloc (count + 2, |
| sizeof (Window)); |
| new_colormap_windows [0] = XtWindow (w); |
| new_colormap_windows [1] = XtWindow (parent); |
| for (i = 0; i < count; i++) |
| new_colormap_windows [i + 2] = colormap_windows [i]; |
| XSetWMColormapWindows (XtDisplay (w), XtWindow (parent), |
| new_colormap_windows, count + 2); |
| |
| } else { /* parent already in list, just add new window */ |
| new_colormap_windows = (Window *) calloc (count + 1, |
| sizeof (Window)); |
| new_colormap_windows [0] = XtWindow (w); |
| for (i = 0; i < count; i++) |
| new_colormap_windows [i + 1] = colormap_windows [i]; |
| XSetWMColormapWindows (XtDisplay (w), XtWindow (parent), |
| new_colormap_windows, count + 1); |
| } |
| free (new_colormap_windows); |
| XFree (colormap_windows); |
| } |
| |
| |
| } |
| |
| static void |
| Destroy(Widget widget) |
| { |
| Status status; |
| Widget parent; |
| Window *colormap_windows; |
| Window *new_colormap_windows; |
| int count; |
| int listEntry; |
| int i; |
| int j; |
| |
| /* Need to get this window's parent shell first */ |
| parent = XtParent (widget); |
| while ((parent != NULL) && (!(XtIsShell (parent)))) |
| parent = XtParent (parent); |
| if (parent == NULL) { |
| fprintf (stderr, "NO TopLevel widget?!\n"); |
| return; |
| } |
| |
| status = XGetWMColormapWindows (XtDisplay (widget), XtWindow (parent), |
| &colormap_windows, &count); |
| |
| /* If status is zero, then there were no colormap windows for |
| the parent ?? */ |
| |
| if (status == 0) |
| return; |
| |
| /* Remove this window from the list of colormap windows */ |
| listEntry = FindWindowInList (XtWindow (widget), colormap_windows, |
| count); |
| |
| new_colormap_windows = (Window *) calloc (count - 1, sizeof (Window)); |
| j = 0; |
| for (i = 0; i < count; i++) { |
| if (i == listEntry) |
| continue; |
| new_colormap_windows [j] = colormap_windows [i]; |
| j++; |
| } |
| XSetWMColormapWindows (XtDisplay (widget), XtWindow (parent), |
| new_colormap_windows, count - 1); |
| free (new_colormap_windows); |
| XFree (colormap_windows); |
| |
| } |
| #endif /* !HEADLESS */ |
