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- /* The lwlib interface to Motif widgets.
- Copyright (C) 1992, 1993, 1994 Lucid, Inc.
- Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
-
- This file is part of the Lucid Widget Library.
-
- The Lucid Widget Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- The Lucid Widget Library 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 for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNU Emacs; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include <stdlib.h>
- #include <unistd.h>
- #include <string.h>
- #include <stdio.h>
- #include <limits.h>
-
- #include <X11/StringDefs.h>
- #include <X11/IntrinsicP.h>
- #include <X11/ObjectP.h>
- #include <X11/CoreP.h>
- #include <X11/CompositeP.h>
-
- #include "lwlib-Xm.h"
- #include "lwlib-utils.h"
-
- #include <Xm/Xm.h>
- #include <Xm/BulletinB.h>
- #include <Xm/CascadeB.h>
- #include <Xm/DrawingA.h>
- #include <Xm/FileSB.h>
- #include <Xm/Label.h>
- #include <Xm/List.h>
- #include <Xm/MenuShell.h>
- #include <Xm/MessageB.h>
- #include <Xm/PushB.h>
- #include <Xm/PushBG.h>
- #include <Xm/ArrowB.h>
- #include <Xm/ScrollBar.h>
- #include <Xm/SelectioB.h>
- #include <Xm/Text.h>
- #include <Xm/TextF.h>
- #include <Xm/ToggleB.h>
- #include <Xm/ToggleBG.h>
- #include <Xm/RowColumn.h>
- #include <Xm/ScrolledW.h>
- #include <Xm/Separator.h>
- #include <Xm/DialogS.h>
- #include <Xm/Form.h>
-
- static void xm_pull_down_callback (Widget, XtPointer, XtPointer);
- static void xm_internal_update_other_instances (Widget, XtPointer,
- XtPointer);
- static void xm_generic_callback (Widget, XtPointer, XtPointer);
- static void xm_nosel_callback (Widget, XtPointer, XtPointer);
- #ifdef SCROLLBARS_MOTIF
- static void xm_scrollbar_callback (Widget, XtPointer, XtPointer);
- #endif
- #if 0
- static void xm_pop_down_callback (Widget, XtPointer, XtPointer);
- #endif /* 0 */
-
- static void
- xm_update_menu (widget_instance* instance, Widget widget, widget_value* val,
- Boolean deep_p);
-
- /* Structures to keep destroyed instances */
- typedef struct _destroyed_instance
- {
- char* name;
- char* type;
- Widget widget;
- Widget parent;
- Boolean pop_up_p;
- struct _destroyed_instance* next;
- } destroyed_instance;
-
- static destroyed_instance*
- all_destroyed_instances = NULL;
-
- /* Utility function. */
- static char *
- safe_strdup (char* s)
- {
- char *result;
- if (! s) return 0;
- result = (char *) malloc (strlen (s) + 1);
- if (! result)
- return 0;
- strcpy (result, s);
- return result;
- }
-
- static destroyed_instance*
- make_destroyed_instance (char* name, char* type, Widget widget, Widget parent,
- Boolean pop_up_p)
- {
- destroyed_instance* instance =
- (destroyed_instance*)malloc (sizeof (destroyed_instance));
- instance->name = safe_strdup (name);
- instance->type = safe_strdup (type);
- instance->widget = widget;
- instance->parent = parent;
- instance->pop_up_p = pop_up_p;
- instance->next = NULL;
- return instance;
- }
-
- static void
- free_destroyed_instance (destroyed_instance* instance)
- {
- free (instance->name);
- free (instance->type);
- free (instance);
- }
-
- /* motif utility functions */
- Widget
- first_child (Widget widget)
- {
- return ((CompositeWidget)widget)->composite.children [0];
- }
-
- Boolean
- lw_motif_widget_p (Widget widget)
- {
- return
- XtClass (widget) == xmDialogShellWidgetClass
- || XmIsPrimitive (widget) || XmIsManager (widget) || XmIsGadget (widget);
- }
-
- static char *
- resource_string (Widget widget, char *name)
- {
- XtResource resource;
- char *result = NULL;
-
- resource.resource_name = "labelString";
- resource.resource_class = "LabelString"; /* #### should be Xmsomething... */
- resource.resource_type = XtRString;
- resource.resource_size = sizeof (String);
- resource.resource_offset = 0;
- resource.default_type = XtRImmediate;
- resource.default_addr = 0;
-
- XtGetSubresources (widget, (XtPointer)&result, name,
- name, &resource, 1, NULL, 0);
- return result;
- }
-
- static void
- destroy_all_children (Widget widget)
- {
- Widget* children;
- unsigned int number;
- int i;
-
- children = XtCompositeChildren (widget, &number);
- if (children)
- {
- /* Unmanage all children and destroy them. They will only be
- * really destroyed when we get out of DispatchEvent. */
- for (i = 0; i < number; i++)
- {
- Widget child = children [i];
- if (!child->core.being_destroyed)
- {
- XtUnmanageChild (child);
- XtDestroyWidget (child);
- }
- }
- XtFree ((char *) children);
- }
- }
-
-
-
- static Boolean
- is_in_dialog_box (Widget w)
- {
- Widget wmshell;
-
- wmshell = XtParent (w);
- while (wmshell && (XtClass (wmshell) != xmDialogShellWidgetClass))
- wmshell = XtParent (wmshell);
-
- if (wmshell && XtClass (wmshell) == xmDialogShellWidgetClass)
- return True;
- else
- return False;
- }
-
-
- /* update the label of anything subclass of a label */
- static void
- xm_update_label (widget_instance* instance, Widget widget, widget_value* val)
- {
- XmString built_string = 0;
- XmString key_string = 0;
- XmString val_string = 0;
- XmString name_string = 0;
- Arg al [256];
- int ac;
-
- ac = 0;
-
- if (val->value)
- {
- /*
- * Sigh. The main text of a label is the name field for menubar
- * entries. The value field is a possible additional field to be
- * contatenated on to the name field. HOWEVER, with dialog boxes
- * the value field is the complete text which is supposed to be
- * displayed as the label. Yuck.
- */
- if (is_in_dialog_box (widget))
- {
- char *value_name = NULL;
-
- value_name = resource_string (widget, val->value);
- if (!value_name)
- value_name = val->value;
-
- built_string =
- XmStringCreateLtoR (value_name, XmSTRING_DEFAULT_CHARSET);
- }
- else
- {
- char *value_name = NULL;
- char *res_name = NULL;
-
- res_name = resource_string (widget, val->name);
- if (!res_name)
- res_name = val->name;
-
- name_string =
- XmStringCreateLtoR (res_name, XmSTRING_DEFAULT_CHARSET);
-
- value_name = XtMalloc (strlen (val->value) + 2);
- *value_name = 0;
- strcat (value_name, " ");
- strcat (value_name, val->value);
-
- val_string =
- XmStringCreateLtoR (value_name, XmSTRING_DEFAULT_CHARSET);
-
- built_string =
- XmStringConcat (name_string, val_string);
-
- XtFree (value_name);
- }
-
- XtSetArg (al [ac], XmNlabelString, built_string); ac++;
- XtSetArg (al [ac], XmNlabelType, XmSTRING); ac++;
- }
-
- if (val->key)
- {
- key_string = XmStringCreateLtoR (val->key, XmSTRING_DEFAULT_CHARSET);
- XtSetArg (al [ac], XmNacceleratorText, key_string); ac++;
- }
-
- if (ac)
- XtSetValues (widget, al, ac);
-
- if (built_string)
- XmStringFree (built_string);
-
- if (key_string)
- XmStringFree (key_string);
-
- if (name_string)
- XmStringFree (name_string);
- }
-
- /* update of list */
- static void
- xm_update_list (widget_instance* instance, Widget widget, widget_value* val)
- {
- widget_value* cur;
- int i;
- XtRemoveAllCallbacks (widget, XmNsingleSelectionCallback);
- XtAddCallback (widget, XmNsingleSelectionCallback, xm_generic_callback,
- instance);
- for (cur = val->contents, i = 0; cur; cur = cur->next)
- if (cur->value)
- {
- XmString xmstr = XmStringCreate (cur->value, XmSTRING_DEFAULT_CHARSET);
- i += 1;
- XmListAddItem (widget, xmstr, 0);
- if (cur->selected)
- XmListSelectPos (widget, i, False);
- XmStringFree (xmstr);
- }
- }
-
- /* update of buttons */
- static void
- xm_update_pushbutton (widget_instance* instance, Widget widget,
- widget_value* val)
- {
- XtVaSetValues (widget, XmNalignment, XmALIGNMENT_CENTER, 0);
- XtRemoveAllCallbacks (widget, XmNactivateCallback);
- XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
- }
-
- static void
- xm_update_cascadebutton (widget_instance* instance, Widget widget,
- widget_value* val)
- {
- /* Should also rebuild the menu by calling ...update_menu... */
- if (val
- && val->type == CASCADE_TYPE
- && val->contents
- && val->contents->type == INCREMENTAL_TYPE)
- {
- /* okay, we're now doing a lisp callback to incrementally generate
- more of the menu. */
- XtRemoveAllCallbacks (widget, XmNcascadingCallback);
- XtAddCallback (widget, XmNcascadingCallback, xm_pull_down_callback,
- instance);
- XtCallCallbacks ((Widget)widget,
- XmNcascadingCallback,
- (XtPointer)val->contents);
-
- } else {
- XtRemoveAllCallbacks (widget, XmNcascadingCallback);
- XtAddCallback (widget, XmNcascadingCallback, xm_pull_down_callback,
- instance);
- }
- }
-
- /* update toggle and radiobox */
- static void
- xm_update_toggle (widget_instance* instance, Widget widget, widget_value* val)
- {
- XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
- #ifndef ENERGIZE
- XtAddCallback (widget, XmNvalueChangedCallback, xm_generic_callback,
- instance);
- #else
- XtAddCallback (widget, XmNvalueChangedCallback,
- xm_internal_update_other_instances, instance);
- #endif
- XtVaSetValues (widget, XmNset, val->selected,
- XmNalignment, XmALIGNMENT_BEGINNING, 0);
- }
-
- static void
- xm_update_radiobox (widget_instance* instance, Widget widget,
- widget_value* val)
- {
- Widget toggle;
- widget_value* cur;
-
- /* update the callback */
- XtRemoveAllCallbacks (widget, XmNentryCallback);
- XtAddCallback (widget, XmNentryCallback, xm_generic_callback, instance);
-
- /* first update all the toggles */
- /* Energize kernel interface is currently bad. It sets the selected widget
- with the selected flag but returns it by its name. So we currently
- have to support both setting the selection with the selected slot
- of val contents and setting it with the "value" slot of val. The latter
- has a higher priority. This to be removed when the kernel is fixed. */
- for (cur = val->contents; cur; cur = cur->next)
- {
- toggle = XtNameToWidget (widget, cur->value);
- if (toggle)
- {
- XtVaSetValues (toggle, XmNsensitive, cur->enabled, 0);
- if (!val->value && cur->selected)
- XtVaSetValues (toggle, XmNset, cur->selected, 0);
- if (val->value && strcmp (val->value, cur->value))
- XtVaSetValues (toggle, XmNset, False, 0);
- }
- }
-
- /* The selected was specified by the value slot */
- if (val->value)
- {
- toggle = XtNameToWidget (widget, val->value);
- if (toggle)
- XtVaSetValues (toggle, XmNset, True, 0);
- }
- }
-
- /* update a popup menu, pulldown menu or a menubar */
- static void
- make_menu_in_widget (widget_instance* instance, Widget widget,
- widget_value* val)
- {
- Widget* children = 0;
- int num_children;
- int child_index;
- widget_value* cur;
- Widget button = 0;
- Widget menu;
- Arg al [256];
- int ac;
- Boolean menubar_p;
-
- /* Allocate the children array */
- for (num_children = 0, cur = val; cur; num_children++, cur = cur->next);
- children = (Widget*)XtMalloc (num_children * sizeof (Widget));
-
- /* tricky way to know if this RowColumn is a menubar or a pulldown... */
- menubar_p = False;
- XtVaGetValues (widget, XmNisHomogeneous, &menubar_p, NULL);
-
- /* add the unmap callback for popups and pulldowns */
- /*** this sounds bogus ***/
- /* probably because it is -- cet */
- /*
- if (!menubar_p)
- XtAddCallback (XtParent (widget), XmNpopdownCallback,
- xm_pop_down_callback, (XtPointer)instance);
- */
-
- num_children = 0;
- for (child_index = 0, cur = val; cur; child_index++, cur = cur->next)
- {
- ac = 0;
- button = 0;
- XtSetArg (al [ac], XmNsensitive, cur->enabled); ac++;
- XtSetArg (al [ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
- XtSetArg (al [ac], XmNuserData, cur->call_data); ac++;
-
- switch (cur->type)
- {
- case PUSHRIGHT_TYPE:
- /* A pushright marker which is not needed for the real Motif
- menubar. */
- break;
- case SEPARATOR_TYPE:
- ac = 0;
- if (cur->value)
- {
- /* #### - xlwmenu.h supports several types that motif does
- not. Also, motif supports pixmaps w/ type NO_LINE and
- lwlib provides no way to access that functionality. --Stig */
- XtSetArg (al [ac], XmNseparatorType, cur->value), ac++;
- }
- button = XmCreateSeparator (widget, "separator", al, ac);
- break;
- case CASCADE_TYPE:
- menu = XmCreatePulldownMenu (widget, "pulldown", NULL, 0);
- make_menu_in_widget (instance, menu, cur->contents);
- XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
- button = XmCreateCascadeButton (widget, cur->name, al, ac);
-
- xm_update_label (instance, button, cur);
-
- XtAddCallback (button, XmNcascadingCallback, xm_pull_down_callback,
- (XtPointer)instance);
- break;
- default:
- if (menubar_p)
- button = XmCreateCascadeButton (widget, cur->name, al, ac);
- else if (!cur->call_data)
- button = XmCreateLabel (widget, cur->name, al, ac);
- else if (cur->type == TOGGLE_TYPE || cur->type == RADIO_TYPE)
- {
- if (cur->type == TOGGLE_TYPE)
- {
- XtSetArg (al [ac], XmNindicatorType, XmN_OF_MANY); ac++;
- }
- else
- {
- XtSetArg (al [ac], XmNindicatorType, XmONE_OF_MANY); ac++;
- }
-
- XtSetArg (al [ac], XmNvisibleWhenOff, True); ac++;
- button = XmCreateToggleButtonGadget (widget, cur->name, al, ac);
- }
- else
- button = XmCreatePushButtonGadget (widget, cur->name, al, ac);
-
- xm_update_label (instance, button, cur);
-
- /* don't add a callback to a simple label */
- if (cur->type == TOGGLE_TYPE || cur->type == RADIO_TYPE)
- xm_update_toggle (instance, button, cur);
- else if (cur->call_data)
- XtAddCallback (button, XmNactivateCallback, xm_generic_callback,
- (XtPointer)instance);
- } /* switch (cur->type) */
-
- if (button)
- children [num_children++] = button;
- }
-
- /* Last entry is the help button. This used be done after managing
- the buttons. The comment claimed that it had to be done this way
- otherwise the menubar ended up only 4 pixels high. That must
- have been in the Old World. In the New World it stays the proper
- height if you don't manage them until after you set this and as a
- bonus the Help menu ends up where it is supposed to. */
- if (button)
- {
- ac = 0;
- XtSetArg (al [ac], XmNmenuHelpWidget, button); ac++;
- XtSetValues (widget, al, ac);
- }
-
- if (num_children)
- XtManageChildren (children, num_children);
-
- XtFree ((char *) children);
- }
-
- static void
- update_one_menu_entry (widget_instance* instance, Widget widget,
- widget_value* val, Boolean deep_p)
- {
- Arg al [256];
- int ac;
- Widget menu;
- widget_value* contents;
-
- if (val->change == NO_CHANGE)
- return;
-
- /* update the sensitivity and userdata */
- /* Common to all widget types */
- XtVaSetValues (widget,
- XmNsensitive, val->enabled,
- XmNuserData, val->call_data,
- 0);
-
- /* update the menu button as a label. */
- if (val->change >= VISIBLE_CHANGE)
- {
- xm_update_label (instance, widget, val);
- if (XtClass (widget) == xmToggleButtonWidgetClass
- || XtClass (widget) == xmToggleButtonGadgetClass)
- {
- xm_update_toggle (instance, widget, val);
- }
- }
-
-
- /* update the pulldown/pullaside as needed */
- menu = NULL;
- XtVaGetValues (widget, XmNsubMenuId, &menu, NULL);
-
- contents = val->contents;
-
- if (!menu)
- {
- if (contents)
- {
- menu = XmCreatePulldownMenu (widget, "pulldown", NULL, 0);
- make_menu_in_widget (instance, menu, contents);
- ac = 0;
- XtSetArg (al [ac], XmNsubMenuId, menu); ac++;
- XtSetValues (widget, al, ac);
- }
- }
- else if (!contents)
- {
- ac = 0;
- XtSetArg (al [ac], XmNsubMenuId, NULL); ac++;
- XtSetValues (widget, al, ac);
- XtDestroyWidget (menu);
- }
- else if (deep_p && contents->change != NO_CHANGE)
- xm_update_menu (instance, menu, val, 1);
- }
-
- static void
- xm_update_menu (widget_instance* instance, Widget widget, widget_value* val,
- Boolean deep_p)
- {
- /* Widget is a RowColumn widget whose contents have to be updated
- * to reflect the list of items in val->contents */
- if (val->contents->change == STRUCTURAL_CHANGE)
- {
- destroy_all_children (widget);
- make_menu_in_widget (instance, widget, val->contents);
- }
- else
- {
- /* Update all the buttons of the RowColumn in order. */
- Widget* children;
- unsigned int num_children;
- int i;
- widget_value *cur = 0;
-
- children = XtCompositeChildren (widget, &num_children);
- if (children)
- {
- for (i = 0, cur = val->contents; i < num_children; i++)
- {
- if (!cur)
- abort ();
- /* skip if this is a pushright marker or a separator */
- if (cur->type == PUSHRIGHT_TYPE || cur->type == SEPARATOR_TYPE)
- {
- cur = cur->next;
- #if 0
- /* #### - this could puke if you have a separator as the
- last item on a pullright menu. */
- if (!cur)
- abort ();
- #else
- if (!cur)
- continue;
- #endif
- }
- if (children [i]->core.being_destroyed
- || strcmp (XtName (children [i]), cur->name))
- continue;
- update_one_menu_entry (instance, children [i], cur, deep_p);
- cur = cur->next;
- }
- XtFree ((char *) children);
- }
- if (cur)
- abort ();
- }
- }
-
-
- /* update text widgets */
-
- static void
- xm_update_text (widget_instance* instance, Widget widget, widget_value* val)
- {
- XmTextSetString (widget, val->value ? val->value : "");
- XtRemoveAllCallbacks (widget, XmNactivateCallback);
- XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
- XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
- XtAddCallback (widget, XmNvalueChangedCallback,
- xm_internal_update_other_instances, instance);
- }
-
- static void
- xm_update_text_field (widget_instance* instance, Widget widget,
- widget_value* val)
- {
- XmTextFieldSetString (widget, val->value ? val->value : "");
- XtRemoveAllCallbacks (widget, XmNactivateCallback);
- XtAddCallback (widget, XmNactivateCallback, xm_generic_callback, instance);
- XtRemoveAllCallbacks (widget, XmNvalueChangedCallback);
- XtAddCallback (widget, XmNvalueChangedCallback,
- xm_internal_update_other_instances, instance);
- }
-
- /*
- * If this function looks like it does a lot more work than it needs to,
- * you're right. Blame the Motif scrollbar for not being smart about
- * updating its appearance.
- */
- static void
- xm_update_scrollbar (widget_instance *instance, Widget widget,
- widget_value *val)
- {
- if (val->scrollbar_data)
- {
- scrollbar_values *data = val->scrollbar_data;
- int widget_sliderSize, widget_val;
- int new_sliderSize, new_value;
- double percent;
- double h_water, l_water;
-
- /*
- * First size and position the scrollbar widget.
- */
- XtVaSetValues (widget,
- XtNx, data->scrollbar_x,
- XtNy, data->scrollbar_y,
- XtNwidth, data->scrollbar_width,
- XtNheight, data->scrollbar_height,
- 0);
-
- /*
- * Now the size the scrollbar's slider.
- */
-
- XtVaGetValues (widget,
- XmNsliderSize, &widget_sliderSize,
- XmNvalue, &widget_val,
- 0);
-
- percent = (double) data->slider_size /
- (double) (data->maximum - data->minimum);
- new_sliderSize = (int) ((double) (INT_MAX - 1) * percent);
-
- percent = (double) (data->slider_position - data->minimum) /
- (double) (data->maximum - data->minimum);
- new_value = (int) ((double) (INT_MAX - 1) * percent);
-
- if (new_sliderSize > (INT_MAX - 1))
- new_sliderSize = INT_MAX - 1;
- if (new_sliderSize < 1)
- new_sliderSize = 1;
-
- if (new_value > (INT_MAX - new_sliderSize))
- new_value = INT_MAX - new_sliderSize;
- else if (new_value < 1)
- new_value = 1;
-
- h_water = 1.05;
- l_water = 0.95;
- if (new_sliderSize != widget_sliderSize || new_value != widget_val)
- {
- int force = ((INT_MAX - widget_sliderSize - widget_val)
- ? 0
- : (INT_MAX - new_sliderSize - new_value));
-
- if (force
- || (double)new_sliderSize < (l_water * (double)widget_sliderSize)
- || (double)new_sliderSize > (h_water * (double)widget_sliderSize)
- || (double)new_value < (l_water * (double)widget_val)
- || (double)new_value > (h_water * (double)widget_val))
- {
- XmScrollBarSetValues (widget, new_value, new_sliderSize, 1, 1,
- False);
- }
- }
- }
- }
-
-
- /* update a motif widget */
-
- void
- xm_update_one_widget (widget_instance* instance, Widget widget,
- widget_value* val, Boolean deep_p)
- {
- WidgetClass class;
-
- /* Mark as not edited */
- val->edited = False;
-
- /* Common to all widget types */
- XtVaSetValues (widget,
- XmNsensitive, val->enabled,
- XmNuserData, val->call_data,
- 0);
-
- /* Common to all label like widgets */
- if (XtIsSubclass (widget, xmLabelWidgetClass))
- xm_update_label (instance, widget, val);
-
- class = XtClass (widget);
- /* Class specific things */
- if (class == xmPushButtonWidgetClass ||
- class == xmArrowButtonWidgetClass)
- {
- xm_update_pushbutton (instance, widget, val);
- }
- else if (class == xmCascadeButtonWidgetClass)
- {
- xm_update_cascadebutton (instance, widget, val);
- }
- else if (class == xmToggleButtonWidgetClass
- || class == xmToggleButtonGadgetClass)
- {
- xm_update_toggle (instance, widget, val);
- }
- else if (class == xmRowColumnWidgetClass)
- {
- Boolean radiobox = 0;
-
- XtVaGetValues (widget, XmNradioBehavior, &radiobox, NULL);
-
- if (radiobox)
- xm_update_radiobox (instance, widget, val);
- else
- xm_update_menu (instance, widget, val, deep_p);
- }
- else if (class == xmTextWidgetClass)
- {
- xm_update_text (instance, widget, val);
- }
- else if (class == xmTextFieldWidgetClass)
- {
- xm_update_text_field (instance, widget, val);
- }
- else if (class == xmListWidgetClass)
- {
- xm_update_list (instance, widget, val);
- }
- else if (class == xmScrollBarWidgetClass)
- {
- xm_update_scrollbar (instance, widget, val);
- }
- }
-
- /* getting the value back */
- void
- xm_update_one_value (widget_instance* instance, Widget widget,
- widget_value* val)
- {
- WidgetClass class = XtClass (widget);
- widget_value *old_wv;
-
- /* copy the call_data slot into the "return" widget_value */
- for (old_wv = instance->info->val->contents; old_wv; old_wv = old_wv->next)
- if (!strcmp (val->name, old_wv->name))
- {
- val->call_data = old_wv->call_data;
- break;
- }
-
- if (class == xmToggleButtonWidgetClass || class == xmToggleButtonGadgetClass)
- {
- XtVaGetValues (widget, XmNset, &val->selected, 0);
- val->edited = True;
- }
- else if (class == xmTextWidgetClass)
- {
- if (val->value)
- free (val->value);
- val->value = XmTextGetString (widget);
- val->edited = True;
- }
- else if (class == xmTextFieldWidgetClass)
- {
- if (val->value)
- free (val->value);
- val->value = XmTextFieldGetString (widget);
- val->edited = True;
- }
- else if (class == xmRowColumnWidgetClass)
- {
- Boolean radiobox = 0;
-
- XtVaGetValues (widget, XmNradioBehavior, &radiobox, NULL);
-
- if (radiobox)
- {
- CompositeWidget radio = (CompositeWidget)widget;
- int i;
- for (i = 0; i < radio->composite.num_children; i++)
- {
- int set = False;
- Widget toggle = radio->composite.children [i];
-
- XtVaGetValues (toggle, XmNset, &set, 0);
- if (set)
- {
- if (val->value)
- free (val->value);
- val->value = safe_strdup (XtName (toggle));
- }
- }
- val->edited = True;
- }
- }
- else if (class == xmListWidgetClass)
- {
- int pos_cnt;
- int* pos_list;
- if (XmListGetSelectedPos (widget, &pos_list, &pos_cnt))
- {
- int i;
- widget_value* cur;
- for (cur = val->contents, i = 0; cur; cur = cur->next)
- if (cur->value)
- {
- int j;
- cur->selected = False;
- i += 1;
- for (j = 0; j < pos_cnt; j++)
- if (pos_list [j] == i)
- {
- cur->selected = True;
- val->value = safe_strdup (cur->name);
- }
- }
- val->edited = 1;
- XtFree ((char *) pos_list);
- }
- }
- else if (class == xmScrollBarWidgetClass)
- {
- /* This function is not used by the scrollbar. */
- return;
- }
- }
-
-
- /* This function is for activating a button from a program. It's wrong because
- we pass a NULL argument in the call_data which is not Motif compatible.
- This is used from the XmNdefaultAction callback of the List widgets to
- have a dble-click put down a dialog box like the button woudl do.
- I could not find a way to do that with accelerators.
- */
- static void
- activate_button (Widget widget, XtPointer closure, XtPointer call_data)
- {
- Widget button = (Widget)closure;
- XtCallCallbacks (button, XmNactivateCallback, NULL);
- }
-
- /* creation functions */
-
- /* dialogs */
-
- #if (XmVersion >= 1002)
- # define ARMANDACTIVATE_KLUDGE
- # define DND_KLUDGE
- #endif
-
- #ifdef ARMANDACTIVATE_KLUDGE
- /* We want typing Return at a dialog box to select the default button; but
- we're satisfied with having it select the leftmost button instead.
-
- In Motif 1.1.5 we could do this by putting this resource in the
- app-defaults file:
-
- *dialog*button1.accelerators:#override\
- <KeyPress>Return: ArmAndActivate()\n\
- <KeyPress>KP_Enter: ArmAndActivate()\n\
- Ctrl<KeyPress>m: ArmAndActivate()\n
-
- but that doesn't work with 1.2.1 and I don't understand why. However,
- doing the equivalent C code does work, with the notable disadvantage that
- the user can't override it. So that's what we do until we figure out
- something better....
- */
- static char button_trans[] = "\
- <KeyPress>Return: ArmAndActivate()\n\
- <KeyPress>KP_Enter: ArmAndActivate()\n\
- Ctrl<KeyPress>m: ArmAndActivate()\n";
-
- #endif /* ARMANDACTIVATE_KLUDGE */
-
-
- #ifdef DND_KLUDGE
- /* This is a kludge to disable drag-and-drop in dialog boxes. The symptom
- was a segv down in libXm somewhere if you used the middle button on a
- dialog box to begin a drag; when you released the button to make a drop
- things would lose if you were not over the button where you started the
- drag (canceling the operation). This was probably due to the fact that
- the dialog boxes were not set up to handle a drag but were trying to do
- so anyway for some reason.
-
- So we disable drag-and-drop in dialog boxes by turning off the binding for
- Btn2Down which, by default, initiates a drag. Clearly this is a shitty
- solution as it only works in default configurations, but...
- */
- static char disable_dnd_trans[] = "<Btn2Down>: ";
- #endif /* DND_KLUDGE */
-
-
- static Widget
- make_dialog (char* name, Widget parent, Boolean pop_up_p,
- char* shell_title, char* icon_name, Boolean text_input_slot,
- Boolean radio_box, Boolean list,
- int left_buttons, int right_buttons)
- {
- Widget result;
- Widget form;
- Widget row;
- Widget icon;
- Widget icon_separator;
- Widget message;
- Widget value = 0;
- Widget separator;
- Widget button = 0;
- Widget children [16]; /* for the final XtManageChildren */
- int n_children;
- Arg al[64]; /* Arg List */
- int ac; /* Arg Count */
- int i;
-
- #ifdef DND_KLUDGE
- XtTranslations dnd_override = XtParseTranslationTable (disable_dnd_trans);
- # define DO_DND_KLUDGE(widget) XtOverrideTranslations ((widget), dnd_override)
- #else /* ! DND_KLUDGE */
- # define DO_DND_KLUDGE(widget)
- #endif /* ! DND_KLUDGE */
-
- if (pop_up_p)
- {
- ac = 0;
- XtSetArg(al[ac], XmNtitle, shell_title); ac++;
- XtSetArg(al[ac], XtNallowShellResize, True); ac++;
- XtSetArg(al[ac], XmNdeleteResponse, XmUNMAP); ac++;
- result = XmCreateDialogShell (parent, "dialog", al, ac);
-
- XtSetArg(al[ac], XmNautoUnmanage, FALSE); ac++;
- /* XtSetArg(al[ac], XmNautoUnmanage, TRUE); ac++; */ /* ####is this ok? */
- XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
- form = XmCreateForm (result, shell_title, al, ac);
- }
- else
- {
- ac = 0;
- XtSetArg(al[ac], XmNautoUnmanage, FALSE); ac++;
- XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
- form = XmCreateForm (parent, shell_title, al, ac);
- result = form;
- }
-
- ac = 0;
- XtSetArg(al[ac], XmNpacking, XmPACK_COLUMN); ac++;
- XtSetArg(al[ac], XmNorientation, XmVERTICAL); ac++;
- XtSetArg(al[ac], XmNnumColumns, left_buttons + right_buttons + 1); ac++;
- XtSetArg(al[ac], XmNmarginWidth, 0); ac++;
- XtSetArg(al[ac], XmNmarginHeight, 0); ac++;
- XtSetArg(al[ac], XmNspacing, 13); ac++;
- XtSetArg(al[ac], XmNadjustLast, False); ac++;
- XtSetArg(al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++;
- XtSetArg(al[ac], XmNisAligned, True); ac++;
- XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
- XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
- XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNleftOffset, 13); ac++;
- XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNrightOffset, 13); ac++;
- row = XmCreateRowColumn (form, "row", al, ac);
-
- n_children = 0;
- for (i = 0; i < left_buttons; i++)
- {
- char button_name [16];
- sprintf (button_name, "button%d", i + 1);
- ac = 0;
- if (i == 0)
- {
- XtSetArg(al[ac], XmNhighlightThickness, 1); ac++;
- XtSetArg(al[ac], XmNshowAsDefault, TRUE); ac++;
- }
- XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
- children [n_children] = XmCreatePushButton (row, button_name, al, ac);
- DO_DND_KLUDGE (children [n_children]);
-
- if (i == 0)
- {
- button = children [n_children];
- ac = 0;
- XtSetArg(al[ac], XmNdefaultButton, button); ac++;
- XtSetValues (row, al, ac);
-
- #ifdef ARMANDACTIVATE_KLUDGE /* See comment above */
- {
- XtTranslations losers = XtParseTranslationTable (button_trans);
- XtOverrideTranslations (button, losers);
- XtFree ((char *) losers);
- }
- #endif /* ARMANDACTIVATE_KLUDGE */
- }
-
- n_children++;
- }
-
- /* invisible seperator button */
- ac = 0;
- XtSetArg (al[ac], XmNmappedWhenManaged, FALSE); ac++;
- children [n_children] = XmCreateLabel (row, "separator_button", al, ac);
- DO_DND_KLUDGE (children [n_children]);
- n_children++;
-
- for (i = 0; i < right_buttons; i++)
- {
- char button_name [16];
- sprintf (button_name, "button%d", left_buttons + i + 1);
- ac = 0;
- XtSetArg(al[ac], XmNnavigationType, XmTAB_GROUP); ac++;
- children [n_children] = XmCreatePushButton (row, button_name, al, ac);
- DO_DND_KLUDGE (children [n_children]);
- if (! button) button = children [n_children];
- n_children++;
- }
-
- XtManageChildren (children, n_children);
-
- ac = 0;
- XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
- XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
- XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
- XtSetArg(al[ac], XmNbottomWidget, row); ac++;
- XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNleftOffset, 0); ac++;
- XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNrightOffset, 0); ac++;
- separator = XmCreateSeparator (form, "", al, ac);
-
- ac = 0;
- XtSetArg(al[ac], XmNlabelType, XmPIXMAP); ac++;
- XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNtopOffset, 13); ac++;
- XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_NONE); ac++;
- XtSetArg(al[ac], XmNleftAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNleftOffset, 13); ac++;
- XtSetArg(al[ac], XmNrightAttachment, XmATTACH_NONE); ac++;
- icon = XmCreateLabel (form, icon_name, al, ac);
- DO_DND_KLUDGE (icon);
-
- ac = 0;
- XtSetArg(al[ac], XmNmappedWhenManaged, FALSE); ac++;
- XtSetArg(al[ac], XmNtopAttachment, XmATTACH_WIDGET); ac++;
- XtSetArg(al[ac], XmNtopOffset, 6); ac++;
- XtSetArg(al[ac], XmNtopWidget, icon); ac++;
- XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
- XtSetArg(al[ac], XmNbottomOffset, 6); ac++;
- XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
- XtSetArg(al[ac], XmNleftAttachment, XmATTACH_NONE); ac++;
- XtSetArg(al[ac], XmNrightAttachment, XmATTACH_NONE); ac++;
- icon_separator = XmCreateLabel (form, "", al, ac);
- DO_DND_KLUDGE (icon_separator);
-
- if (text_input_slot)
- {
- ac = 0;
- XtSetArg(al[ac], XmNcolumns, 50); ac++;
- XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
- XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
- XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
- XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
- XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
- XtSetArg(al[ac], XmNleftOffset, 13); ac++;
- XtSetArg(al[ac], XmNleftWidget, icon); ac++;
- XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNrightOffset, 13); ac++;
- value = XmCreateTextField (form, "value", al, ac);
- DO_DND_KLUDGE (value);
- }
- else if (radio_box)
- {
- Widget radio_butt;
- ac = 0;
- XtSetArg(al[ac], XmNmarginWidth, 0); ac++;
- XtSetArg(al[ac], XmNmarginHeight, 0); ac++;
- XtSetArg(al[ac], XmNspacing, 13); ac++;
- XtSetArg(al[ac], XmNalignment, XmALIGNMENT_CENTER); ac++;
- XtSetArg(al[ac], XmNorientation, XmHORIZONTAL); ac++;
- XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
- XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
- XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
- XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
- XtSetArg(al[ac], XmNleftOffset, 13); ac++;
- XtSetArg(al[ac], XmNleftWidget, icon); ac++;
- XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNrightOffset, 13); ac++;
- value = XmCreateRadioBox (form, "radiobutton1", al, ac);
- ac = 0;
- i = 0;
- radio_butt = XmCreateToggleButtonGadget (value, "radio1", al, ac);
- children [i++] = radio_butt;
- radio_butt = XmCreateToggleButtonGadget (value, "radio2", al, ac);
- children [i++] = radio_butt;
- radio_butt = XmCreateToggleButtonGadget (value, "radio3", al, ac);
- children [i++] = radio_butt;
- XtManageChildren (children, i);
- }
- else if (list)
- {
- ac = 0;
- XtSetArg(al[ac], XmNvisibleItemCount, 5); ac++;
- XtSetArg(al[ac], XmNtopAttachment, XmATTACH_NONE); ac++;
- XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
- XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
- XtSetArg(al[ac], XmNbottomWidget, separator); ac++;
- XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
- XtSetArg(al[ac], XmNleftOffset, 13); ac++;
- XtSetArg(al[ac], XmNleftWidget, icon); ac++;
- XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNrightOffset, 13); ac++;
- value = XmCreateScrolledList (form, "list", al, ac);
-
- /* this is the easiest way I found to have the dble click in the
- list activate the default button */
- XtAddCallback (value, XmNdefaultActionCallback, activate_button, button);
- }
-
- ac = 0;
- XtSetArg(al[ac], XmNalignment, XmALIGNMENT_BEGINNING); ac++;
- XtSetArg(al[ac], XmNtopAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNtopOffset, 13); ac++;
- XtSetArg(al[ac], XmNbottomAttachment, XmATTACH_WIDGET); ac++;
- XtSetArg(al[ac], XmNbottomOffset, 13); ac++;
- XtSetArg(al[ac], XmNbottomWidget,
- text_input_slot || radio_box || list ? value : separator); ac++;
- XtSetArg(al[ac], XmNleftAttachment, XmATTACH_WIDGET); ac++;
- XtSetArg(al[ac], XmNleftOffset, 13); ac++;
- XtSetArg(al[ac], XmNleftWidget, icon); ac++;
- XtSetArg(al[ac], XmNrightAttachment, XmATTACH_FORM); ac++;
- XtSetArg(al[ac], XmNrightOffset, 13); ac++;
- message = XmCreateLabel (form, "message", al, ac);
- DO_DND_KLUDGE (message);
-
- if (list)
- XtManageChild (value);
-
- i = 0;
- children [i] = row; i++;
- children [i] = separator; i++;
- if (text_input_slot || radio_box)
- {
- children [i] = value; i++;
- }
- children [i] = message; i++;
- children [i] = icon; i++;
- children [i] = icon_separator; i++;
- XtManageChildren (children, i);
-
- if (text_input_slot || list)
- {
- XtInstallAccelerators (value, button);
- XmProcessTraversal(value, XmTRAVERSE_CURRENT);
- }
- else
- {
- XtInstallAccelerators (form, button);
- XmProcessTraversal(value, XmTRAVERSE_CURRENT);
- }
-
- #ifdef DND_KLUDGE
- XtFree ((char *) dnd_override);
- #endif
- #undef DO_DND_KLUDGE
-
- return result;
- }
-
- static destroyed_instance*
- find_matching_instance (widget_instance* instance)
- {
- destroyed_instance* cur;
- destroyed_instance* prev;
- char* type = instance->info->type;
- char* name = instance->info->name;
-
- for (prev = NULL, cur = all_destroyed_instances;
- cur;
- prev = cur, cur = cur->next)
- {
- if (!strcmp (cur->name, name)
- && !strcmp (cur->type, type)
- && cur->parent == instance->parent
- && cur->pop_up_p == instance->pop_up_p)
- {
- if (prev)
- prev->next = cur->next;
- else
- all_destroyed_instances = cur->next;
- return cur;
- }
- /* do some cleanup */
- else if (!cur->widget)
- {
- if (prev)
- prev->next = cur->next;
- else
- all_destroyed_instances = cur->next;
- free_destroyed_instance (cur);
- cur = prev ? prev : all_destroyed_instances;
- }
- }
- return NULL;
- }
-
- static void
- mark_dead_instance_destroyed (Widget widget, XtPointer closure,
- XtPointer call_data)
- {
- destroyed_instance* instance = (destroyed_instance*)closure;
- instance->widget = NULL;
- }
-
- static void
- recenter_widget (Widget widget)
- {
- Widget parent = XtParent (widget);
- Screen* screen = XtScreen (widget);
- Dimension screen_width = WidthOfScreen (screen);
- Dimension screen_height = HeightOfScreen (screen);
- Dimension parent_width = 0;
- Dimension parent_height = 0;
- Dimension child_width = 0;
- Dimension child_height = 0;
- Position x;
- Position y;
-
- XtVaGetValues (widget, XtNwidth, &child_width, XtNheight, &child_height, 0);
- XtVaGetValues (parent, XtNwidth, &parent_width, XtNheight, &parent_height,
- 0);
-
- x = (((Position)parent_width) - ((Position)child_width)) / 2;
- y = (((Position)parent_height) - ((Position)child_height)) / 2;
-
- XtTranslateCoords (parent, x, y, &x, &y);
-
- if ((Dimension) (x + child_width) > screen_width)
- x = screen_width - child_width;
- if (x < 0)
- x = 0;
-
- if ((Dimension) (y + child_height) > screen_height)
- y = screen_height - child_height;
- if (y < 0)
- y = 0;
-
- XtVaSetValues (widget, XtNx, x, XtNy, y, 0);
- }
-
- static Widget
- recycle_instance (destroyed_instance* instance)
- {
- Widget widget = instance->widget;
-
- /* widget is NULL if the parent was destroyed. */
- if (widget)
- {
- Widget focus;
- Widget separator;
-
- /* Remove the destroy callback as the instance is not in the list
- anymore */
- XtRemoveCallback (instance->parent, XtNdestroyCallback,
- mark_dead_instance_destroyed,
- (XtPointer)instance);
-
- /* Give the focus to the initial item */
- focus = XtNameToWidget (widget, "*value");
- if (!focus)
- focus = XtNameToWidget (widget, "*button1");
- if (focus)
- XmProcessTraversal(focus, XmTRAVERSE_CURRENT);
-
- /* shrink the separator label back to their original size */
- separator = XtNameToWidget (widget, "*separator_button");
- if (separator)
- XtVaSetValues (separator, XtNwidth, 5, XtNheight, 5, 0);
-
- /* Center the dialog in its parent */
- recenter_widget (widget);
- }
- free_destroyed_instance (instance);
- return widget;
- }
-
- Widget
- xm_create_dialog (widget_instance* instance)
- {
- char* name = instance->info->type;
- Widget parent = instance->parent;
- Widget widget;
- Boolean pop_up_p = instance->pop_up_p;
- char* shell_name = 0;
- char* icon_name = 0;
- Boolean text_input_slot = False;
- Boolean radio_box = False;
- Boolean list = False;
- int total_buttons;
- int left_buttons = 0;
- int right_buttons = 1;
- destroyed_instance* dead_one;
-
- /* try to find a widget to recycle */
- dead_one = find_matching_instance (instance);
- if (dead_one)
- {
- Widget recycled_widget = recycle_instance (dead_one);
- if (recycled_widget)
- return recycled_widget;
- }
-
- switch (name [0]){
- case 'E': case 'e':
- icon_name = "dbox-error";
- shell_name = "Error";
- break;
-
- case 'I': case 'i':
- icon_name = "dbox-info";
- shell_name = "Information";
- break;
-
- case 'L': case 'l':
- list = True;
- icon_name = "dbox-question";
- shell_name = "Prompt";
- break;
-
- case 'P': case 'p':
- text_input_slot = True;
- icon_name = "dbox-question";
- shell_name = "Prompt";
- break;
-
- case 'Q': case 'q':
- icon_name = "dbox-question";
- shell_name = "Question";
- break;
- }
-
- total_buttons = name [1] - '0';
-
- if (name [3] == 'T' || name [3] == 't')
- {
- text_input_slot = False;
- radio_box = True;
- }
- else if (name [3])
- right_buttons = name [4] - '0';
-
- left_buttons = total_buttons - right_buttons;
-
- widget = make_dialog (name, parent, pop_up_p,
- shell_name, icon_name, text_input_slot, radio_box,
- list, left_buttons, right_buttons);
-
- XtAddCallback (widget, XmNpopdownCallback, xm_nosel_callback,
- (XtPointer) instance);
- return widget;
- }
-
- #ifdef MENUBARS_MOTIF
- static Widget
- make_menubar (widget_instance* instance)
- {
- Arg al[10];
- int ac = 0;
-
- XtSetArg(al[ac], XmNmarginHeight, 0); ac++;
- XtSetArg(al[ac], XmNshadowThickness, 3); ac++;
-
- return XmCreateMenuBar (instance->parent, instance->info->name, al, ac);
- }
-
- static void
- remove_grabs (Widget shell, XtPointer closure, XtPointer call_data)
- {
- Widget menu = (Widget) closure;
- XmRemoveFromPostFromList (menu, XtParent (XtParent ((Widget) menu)));
- }
-
- static Widget
- make_popup_menu (widget_instance* instance)
- {
- Widget parent = instance->parent;
- Window parent_window = parent->core.window;
- Widget result;
-
- /* sets the parent window to 0 to fool Motif into not generating a grab */
- parent->core.window = 0;
- result = XmCreatePopupMenu (parent, instance->info->name, NULL, 0);
- XtAddCallback (XtParent (result), XmNpopdownCallback, remove_grabs,
- (XtPointer)result);
- parent->core.window = parent_window;
- return result;
- }
- #endif /* MENUBARS_MOTIF */
-
- #ifdef SCROLLBARS_MOTIF
- static Widget
- make_scrollbar (widget_instance *instance, int vertical)
- {
- Arg al[20];
- int ac = 0;
- Widget scrollbar;
-
- XtSetArg (al[ac], XmNminimum, 1); ac++;
- XtSetArg (al[ac], XmNmaximum, INT_MAX); ac++;
- XtSetArg (al[ac], XmNincrement, 1); ac++;
- XtSetArg (al[ac], XmNpageIncrement, 1); ac++;
- XtSetArg (al[ac], XmNborderWidth, 0); ac++;
- if (vertical)
- {
- XtSetArg (al[ac], XmNorientation, XmVERTICAL); ac++;
- }
- else
- {
- XtSetArg (al[ac], XmNorientation, XmHORIZONTAL); ac++;
- }
-
- scrollbar =
- XmCreateScrollBar (instance->parent, instance->info->name, al, ac);
-
- XtRemoveAllCallbacks (scrollbar, XmNdecrementCallback);
- XtRemoveAllCallbacks (scrollbar, XmNdragCallback);
- XtRemoveAllCallbacks (scrollbar, XmNincrementCallback);
- XtRemoveAllCallbacks (scrollbar, XmNpageDecrementCallback);
- XtRemoveAllCallbacks (scrollbar, XmNpageIncrementCallback);
- XtRemoveAllCallbacks (scrollbar, XmNtoBottomCallback);
- XtRemoveAllCallbacks (scrollbar, XmNtoTopCallback);
- XtRemoveAllCallbacks (scrollbar, XmNvalueChangedCallback);
-
- XtAddCallback(scrollbar, XmNdecrementCallback, xm_scrollbar_callback,
- (XtPointer) instance);
- XtAddCallback(scrollbar, XmNdragCallback, xm_scrollbar_callback,
- (XtPointer) instance);
- XtAddCallback(scrollbar, XmNincrementCallback, xm_scrollbar_callback,
- (XtPointer) instance);
- XtAddCallback(scrollbar, XmNpageDecrementCallback, xm_scrollbar_callback,
- (XtPointer) instance);
- XtAddCallback(scrollbar, XmNpageIncrementCallback, xm_scrollbar_callback,
- (XtPointer) instance);
- XtAddCallback(scrollbar, XmNtoBottomCallback, xm_scrollbar_callback,
- (XtPointer) instance);
- XtAddCallback(scrollbar, XmNtoTopCallback, xm_scrollbar_callback,
- (XtPointer) instance);
- XtAddCallback(scrollbar, XmNvalueChangedCallback, xm_scrollbar_callback,
- (XtPointer) instance);
-
- return scrollbar;
- }
-
- static Widget
- make_vertical_scrollbar (widget_instance *instance)
- {
- return make_scrollbar (instance, 1);
- }
-
- static Widget
- make_horizontal_scrollbar (widget_instance *instance)
- {
- return make_scrollbar (instance, 0);
- }
-
- #endif /* SCROLLBARS_MOTIF */
-
- /* Table of functions to create widgets */
-
- #ifdef ENERGIZE
-
- /* interface with the XDesigner generated functions */
- typedef Widget (*widget_maker) (Widget);
- extern Widget create_project_p_sheet (Widget parent);
- extern Widget create_debugger_p_sheet (Widget parent);
- extern Widget create_breaklist_p_sheet (Widget parent);
- extern Widget create_le_browser_p_sheet (Widget parent);
- extern Widget create_class_browser_p_sheet (Widget parent);
- extern Widget create_call_browser_p_sheet (Widget parent);
- extern Widget create_build_dialog (Widget parent);
- extern Widget create_editmode_dialog (Widget parent);
- extern Widget create_search_dialog (Widget parent);
- extern Widget create_project_display_dialog (Widget parent);
-
- static Widget
- make_one (widget_instance* instance, widget_maker fn)
- {
- Widget result;
- Arg al [64];
- int ac = 0;
-
- if (instance->pop_up_p)
- {
- XtSetArg (al [ac], XmNallowShellResize, TRUE); ac++;
- result = XmCreateDialogShell (instance->parent, "dialog", NULL, 0);
- XtAddCallback (result, XmNpopdownCallback, &xm_nosel_callback,
- (XtPointer) instance);
- (*fn) (result);
- }
- else
- {
- result = (*fn) (instance->parent);
- XtRealizeWidget (result);
- }
- return result;
- }
-
- static Widget
- make_project_p_sheet (widget_instance* instance)
- {
- return make_one (instance, create_project_p_sheet);
- }
-
- static Widget
- make_debugger_p_sheet (widget_instance* instance)
- {
- return make_one (instance, create_debugger_p_sheet);
- }
-
- static Widget
- make_breaklist_p_sheet (widget_instance* instance)
- {
- return make_one (instance, create_breaklist_p_sheet);
- }
-
- static Widget
- make_le_browser_p_sheet (widget_instance* instance)
- {
- return make_one (instance, create_le_browser_p_sheet);
- }
-
- static Widget
- make_class_browser_p_sheet (widget_instance* instance)
- {
- return make_one (instance, create_class_browser_p_sheet);
- }
-
- static Widget
- make_call_browser_p_sheet (widget_instance* instance)
- {
- return make_one (instance, create_call_browser_p_sheet);
- }
-
- static Widget
- make_build_dialog (widget_instance* instance)
- {
- return make_one (instance, create_build_dialog);
- }
-
- static Widget
- make_editmode_dialog (widget_instance* instance)
- {
- return make_one (instance, create_editmode_dialog);
- }
-
- static Widget
- make_search_dialog (widget_instance* instance)
- {
- return make_one (instance, create_search_dialog);
- }
-
- static Widget
- make_project_display_dialog (widget_instance* instance)
- {
- return make_one (instance, create_project_display_dialog);
- }
-
- #endif /* ENERGIZE */
-
- widget_creation_entry
- xm_creation_table [] =
- {
- #ifdef MENUBARS_MOTIF
- {"menubar", make_menubar},
- {"popup", make_popup_menu},
- #endif
- #ifdef SCROLLBARS_MOTIF
- {"vertical-scrollbar", make_vertical_scrollbar},
- {"horizontal-scrollbar", make_horizontal_scrollbar},
- #endif
- #ifdef ENERGIZE
- {"project_p_sheet", make_project_p_sheet},
- {"debugger_p_sheet", make_debugger_p_sheet},
- {"breaklist_psheet", make_breaklist_p_sheet},
- {"leb_psheet", make_le_browser_p_sheet},
- {"class_browser_psheet", make_class_browser_p_sheet},
- {"ctree_browser_psheet", make_call_browser_p_sheet},
- {"build", make_build_dialog},
- {"editmode", make_editmode_dialog},
- {"search", make_search_dialog},
- {"project_display", make_project_display_dialog},
- #endif /* ENERGIZE */
- {NULL, NULL}
- };
-
- /* Destruction of instances */
- void
- xm_destroy_instance (widget_instance* instance)
- {
- Widget widget = instance->widget;
- /* recycle the dialog boxes */
- /* Disable the recycling until we can find a way to have the dialog box
- get reasonable layout after we modify its contents. */
- if (0
- && XtClass (widget) == xmDialogShellWidgetClass)
- {
- destroyed_instance* dead_instance =
- make_destroyed_instance (instance->info->name,
- instance->info->type,
- instance->widget,
- instance->parent,
- instance->pop_up_p);
- dead_instance->next = all_destroyed_instances;
- all_destroyed_instances = dead_instance;
- XtUnmanageChild (first_child (instance->widget));
- XFlush (XtDisplay (instance->widget));
- XtAddCallback (instance->parent, XtNdestroyCallback,
- mark_dead_instance_destroyed, (XtPointer)dead_instance);
- }
- else
- {
- /* This might not be necessary now that the nosel is attached to
- popdown instead of destroy, but it can't hurt. */
- XtRemoveCallback (instance->widget, XtNdestroyCallback,
- xm_nosel_callback, (XtPointer)instance);
-
- XtDestroyWidget (instance->widget);
- }
- }
-
- /* popup utility */
- void
- xm_popup_menu (Widget widget, XEvent *event)
- {
- if (event->type == ButtonPress || event->type == ButtonRelease)
- {
- /* This is so totally ridiculous: there's NO WAY to tell Motif
- that *any* button can select a menu item. Only one button
- can have that honor.
- */
- char *trans = 0;
- if (event->xbutton.state & Button5Mask) trans = "<Btn5Down>";
- else if (event->xbutton.state & Button4Mask) trans = "<Btn4Down>";
- else if (event->xbutton.state & Button3Mask) trans = "<Btn3Down>";
- else if (event->xbutton.state & Button2Mask) trans = "<Btn2Down>";
- else if (event->xbutton.state & Button1Mask) trans = "<Btn1Down>";
- if (trans) XtVaSetValues (widget, XmNmenuPost, trans, 0);
- XmMenuPosition (widget, (XButtonPressedEvent *) event);
- }
- XtManageChild (widget);
- }
-
- static void
- set_min_dialog_size (Widget w)
- {
- short width;
- short height;
- XtVaGetValues (w, XmNwidth, &width, XmNheight, &height, 0);
- XtVaSetValues (w, XmNminWidth, width, XmNminHeight, height, 0);
- }
-
- void
- xm_pop_instance (widget_instance* instance, Boolean up)
- {
- Widget widget = instance->widget;
-
- if (XtClass (widget) == xmDialogShellWidgetClass)
- {
- Widget widget_to_manage = first_child (widget);
- if (up)
- {
- XtManageChild (widget_to_manage);
- set_min_dialog_size (widget);
- XmProcessTraversal(widget, XmTRAVERSE_CURRENT);
- }
- else
- XtUnmanageChild (widget_to_manage);
- }
- else
- {
- if (up)
- XtManageChild (widget);
- else
- XtUnmanageChild (widget);
- }
- }
-
-
- /* motif callback */
-
- enum do_call_type { pre_activate, selection, no_selection, post_activate };
-
- static void
- do_call (Widget widget, XtPointer closure, enum do_call_type type)
- {
- XtPointer user_data;
- widget_instance* instance = (widget_instance*)closure;
- Widget instance_widget;
- LWLIB_ID id;
-
- if (!instance)
- return;
- if (widget->core.being_destroyed)
- return;
-
- instance_widget = instance->widget;
- if (!instance_widget)
- return;
-
- id = instance->info->id;
- user_data = NULL;
- XtVaGetValues (widget, XmNuserData, &user_data, NULL);
- switch (type)
- {
- case pre_activate:
- if (instance->info->pre_activate_cb)
- instance->info->pre_activate_cb (widget, id, user_data);
- break;
- case selection:
- if (instance->info->selection_cb)
- instance->info->selection_cb (widget, id, user_data);
- break;
- case no_selection:
- if (instance->info->selection_cb)
- instance->info->selection_cb (widget, id, (XtPointer) -1);
- break;
- case post_activate:
- if (instance->info->post_activate_cb)
- instance->info->post_activate_cb (widget, id, user_data);
- break;
- default:
- abort ();
- }
- }
-
- /* Like lw_internal_update_other_instances except that it does not do
- anything if its shell parent is not managed. This is to protect
- lw_internal_update_other_instances to dereference freed memory
- if the widget was ``destroyed'' by caching it in the all_destroyed_instances
- list */
- static void
- xm_internal_update_other_instances (Widget widget, XtPointer closure,
- XtPointer call_data)
- {
- Widget parent;
- for (parent = widget; parent; parent = XtParent (parent))
- if (XtIsShell (parent))
- break;
- else if (!XtIsManaged (parent))
- return;
- lw_internal_update_other_instances (widget, closure, call_data);
- }
-
- static void
- xm_generic_callback (Widget widget, XtPointer closure, XtPointer call_data)
- {
- #ifndef ENERGIZE
- /* We want the selected status to change only when we decide it
- should change. Yuck but correct. */
- if (XtClass (widget) == xmToggleButtonWidgetClass
- || XtClass (widget) == xmToggleButtonGadgetClass)
- {
- Boolean check;
- XtVaGetValues (widget, XmNset, &check, 0);
- XtVaSetValues (widget, XmNset, !check, 0);
- }
- #endif
- lw_internal_update_other_instances (widget, closure, call_data);
- do_call (widget, closure, selection);
- }
-
- static void
- xm_nosel_callback (Widget widget, XtPointer closure, XtPointer call_data)
- {
- /* This callback is only called when a dialog box is dismissed with the wm's
- destroy button (WM_DELETE_WINDOW.) We want the dialog box to be destroyed
- in that case, not just unmapped, so that it releases its keyboard grabs.
- But there are problems with running our callbacks while the widget is in
- the process of being destroyed, so we set XmNdeleteResponse to XmUNMAP
- instead of XmDESTROY and then destroy it ourself after having run the
- callback.
- */
- do_call (widget, closure, no_selection);
- XtDestroyWidget (widget);
- }
-
- static void
- xm_pull_down_callback (Widget widget, XtPointer closure, XtPointer call_data)
- {
- #if 0
- if (call_data)
- {
- /* new behavior for incremental menu construction */
-
- }
- else
- #endif
- do_call (widget, closure, pre_activate);
- }
-
- #if 0
- static void
- xm_pop_down_callback (Widget widget, XtPointer closure, XtPointer call_data)
- {
- do_call (widget, closure, post_activate);
- }
- #endif /* 0 */
-
- #ifdef SCROLLBARS_MOTIF
- static void
- xm_scrollbar_callback (Widget widget, XtPointer closure, XtPointer call_data)
- {
- widget_instance *instance = (widget_instance *) closure;
- LWLIB_ID id;
- XmScrollBarCallbackStruct *data =
- (XmScrollBarCallbackStruct *) call_data;
- scroll_event event_data;
- scrollbar_values *val =
- (scrollbar_values *) instance->info->val->scrollbar_data;
- double percent;
-
- if (!instance || widget->core.being_destroyed)
- return;
-
- id = instance->info->id;
-
- percent = (double) (data->value - 1) / (double) (INT_MAX - 1);
- event_data.slider_value =
- (int) (percent * (double) (val->maximum - val->minimum)) + val->minimum;
-
- if (event_data.slider_value > (val->maximum - val->slider_size))
- event_data.slider_value = val->maximum - val->slider_size;
- else if (event_data.slider_value < 1)
- event_data.slider_value = 1;
-
- if (data->event)
- {
- switch (data->event->xany.type)
- {
- case KeyPress:
- case KeyRelease:
- event_data.time = data->event->xkey.time;
- break;
- case ButtonPress:
- case ButtonRelease:
- event_data.time = data->event->xbutton.time;
- break;
- case MotionNotify:
- event_data.time = data->event->xmotion.time;
- break;
- case EnterNotify:
- case LeaveNotify:
- event_data.time = data->event->xcrossing.time;
- break;
- default:
- event_data.time = 0;
- break;
- }
- }
- else
- event_data.time = 0;
-
- switch (data->reason)
- {
- case XmCR_DECREMENT:
- event_data.action = SCROLLBAR_LINE_UP;
- break;
- case XmCR_INCREMENT:
- event_data.action = SCROLLBAR_LINE_DOWN;
- break;
- case XmCR_PAGE_DECREMENT:
- event_data.action = SCROLLBAR_PAGE_UP;
- break;
- case XmCR_PAGE_INCREMENT:
- event_data.action = SCROLLBAR_PAGE_DOWN;
- break;
- case XmCR_TO_TOP:
- event_data.action = SCROLLBAR_TOP;
- break;
- case XmCR_TO_BOTTOM:
- event_data.action = SCROLLBAR_BOTTOM;
- break;
- case XmCR_DRAG:
- event_data.action = SCROLLBAR_DRAG;
- break;
- case XmCR_VALUE_CHANGED:
- event_data.action = SCROLLBAR_CHANGE;
- break;
- default:
- event_data.action = SCROLLBAR_CHANGE;
- break;
- }
-
- if (instance->info->pre_activate_cb)
- instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data);
- }
- #endif
-
-
- /* set the keyboard focus */
- void
- xm_set_keyboard_focus (Widget parent, Widget w)
- {
- XmProcessTraversal (w, XmTRAVERSE_CURRENT);
- /* At some point we believed that it was necessary to use XtSetKeyboardFocus
- instead of XmProcessTraversal when using Motif >= 1.2.1, but that's bogus.
- Presumably the problem was elsewhere, and is now gone...
- */
- }
-