/* The lwlib interface to Athena widgets.
+
Copyright (C) 1993 Chuck Thompson <cthomp@cs.uiuc.edu>
-Copyright (C) 1994, 2001, 2002, 2003, 2004, 2005, 2006,
- 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+Copyright (C) 1994, 2001-2016 Free Software Foundation, Inc.
This file is part of the Lucid Widget Library.
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, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
-#ifdef HAVE_CONFIG_H
#include <config.h>
-#endif
#include <stdio.h>
#include <setjmp.h>
-#include "../src/lisp.h"
+#include <lisp.h>
#include "lwlib-Xaw.h"
#endif
-static void xaw_generic_callback (/*Widget, XtPointer, XtPointer*/);
+static void xaw_generic_callback (Widget widget,
+ XtPointer closure,
+ XtPointer call_data);
Boolean
-lw_xaw_widget_p (widget)
- Widget widget;
+lw_xaw_widget_p (Widget widget)
{
return (XtIsSubclass (widget, scrollbarWidgetClass) ||
XtIsSubclass (widget, dialogWidgetClass));
}
-#if 0
-static void
-xaw_update_scrollbar (instance, widget, val)
- widget_instance *instance;
- Widget widget;
- widget_value *val;
-{
- if (val->scrollbar_data)
- {
- scrollbar_values *data = val->scrollbar_data;
- Dimension height, width;
- Dimension pos_x, pos_y;
- int widget_shown, widget_topOfThumb;
- float new_shown, new_topOfThumb;
-
- XtVaGetValues (widget,
- XtNheight, &height,
- XtNwidth, &width,
- XtNx, &pos_x,
- XtNy, &pos_y,
- XtNtopOfThumb, &widget_topOfThumb,
- XtNshown, &widget_shown,
- NULL);
-
- /*
- * First size and position the scrollbar widget.
- * We need to position it to second-guess the Paned widget's notion
- * of what should happen when the WMShell gets resized.
- */
- if (height != data->scrollbar_height || pos_y != data->scrollbar_pos)
- {
- XtConfigureWidget (widget, pos_x, data->scrollbar_pos,
- width, data->scrollbar_height, 0);
-
- XtVaSetValues (widget,
- XtNlength, data->scrollbar_height,
- XtNthickness, width,
- NULL);
- }
-
- /*
- * Now the size the scrollbar's slider.
- */
- new_shown = (float) data->slider_size /
- (float) (data->maximum - data->minimum);
-
- new_topOfThumb = (float) (data->slider_position - data->minimum) /
- (float) (data->maximum - data->minimum);
-
- if (new_shown > 1.0)
- new_shown = 1.0;
- if (new_shown < 0)
- new_shown = 0;
-
- if (new_topOfThumb > 1.0)
- new_topOfThumb = 1.0;
- if (new_topOfThumb < 0)
- new_topOfThumb = 0;
-
- if (new_shown != widget_shown || new_topOfThumb != widget_topOfThumb)
- XawScrollbarSetThumb (widget, new_topOfThumb, new_shown);
- }
-}
-#endif
#ifdef HAVE_XFT
static void
fill_xft_data (struct widget_xft_data *data, Widget widget, XftFont *font)
{
- data->widget = widget;
- data->xft_font = font;
Pixel bg, fg;
XColor colors[2];
- int screen = XScreenNumberOfScreen (XtScreen (widget));
+ data->widget = widget;
+ data->xft_font = font;
XtVaGetValues (widget,
XtNbackground, &bg,
XtNforeground, &fg,
XftFont *fn;
/* Try to convert Gtk-syntax (Sans 9) to Xft syntax Sans-9. */
- while (i > 0 && isdigit (fname[i]))
+ while (i > 0 && '0' <= fname[i] && fname[i] <= '9')
--i;
if (fname[i] == ' ')
{
}
fn = XftFontOpenName (XtDisplay (widget), screen, fname);
- if (fname != name) free (fname);
+ if (fname != name) xfree (fname);
return fn;
}
{
int w = 0, h = 0;
char *bp = text;
-
+
while (bp && *bp != '\0')
{
XGlyphInfo gi;
char *cp = strchr (bp, '\n');
XftDrawStringUtf8 (data->xft_draw,
inverse ? &data->xft_bg : &data->xft_fg,
- data->xft_font, x, y, bp, cp ? cp - bp : strlen (bp));
+ data->xft_font, x, y,
+ (FcChar8 *) bp,
+ cp ? cp - bp : strlen (bp));
bp = cp ? cp + 1 : NULL;
/* 1.2 gives reasonable line spacing. */
y += data->xft_font->height * 1.2;
static void
set_text (struct widget_xft_data *data, Widget toplevel, char *lbl, int margin)
{
- int screen = XScreenNumberOfScreen (XtScreen (data->widget));
int width, height;
width = get_text_width_and_height (data->widget, lbl, data->xft_font,
Widget parent = XtParent (widget);
struct widget_xft_data *data = NULL;
int nr;
- while (parent && !inst)
+ while (parent && !inst)
{
inst = lw_get_widget_instance (parent);
parent = XtParent (parent);
}
- if (!inst || !inst->xft_data || !inst->xft_data[0].xft_font) return;
+ if (!inst || !inst->xft_data || !inst->xft_data[0].xft_font) return 0;
- for (nr = 0; data == NULL && nr < inst->nr_xft_data; ++nr)
+ for (nr = 0; data == NULL && nr < inst->nr_xft_data; ++nr)
{
- if (inst->xft_data[nr].widget == widget)
+ if (inst->xft_data[nr].widget == widget)
data = &inst->xft_data[nr];
}
Cardinal *num_params)
{
struct widget_xft_data *data = find_xft_data (widget);
- if (data)
+ if (data)
{
char *lbl;
/* Since this isn't used for rectangle buttons, use it to for armed. */
static void
command_reset (Widget widget,
- XEvent* event,
- String *params,
- Cardinal *num_params)
+ XEvent* event,
+ String *params,
+ Cardinal *num_params)
{
struct widget_xft_data *data = find_xft_data (widget);
- if (data)
+ if (data)
{
Dimension cr;
XtVaGetValues (widget, XtNcornerRoundPercent, &cr, NULL);
- if (cr == 1)
+ if (cr == 1)
{
char *lbl;
XtVaSetValues (widget, XtNcornerRoundPercent, 0, NULL);
#endif
void
-#ifdef PROTOTYPES
-xaw_update_one_widget (widget_instance *instance, Widget widget,
- widget_value *val, Boolean deep_p)
-#else
-xaw_update_one_widget (instance, widget, val, deep_p)
- widget_instance *instance;
- Widget widget;
- widget_value *val;
- Boolean deep_p;
-#endif
+xaw_update_one_widget (widget_instance *instance,
+ Widget widget,
+ widget_value *val,
+ Boolean deep_p)
{
-#if 0
- if (XtIsSubclass (widget, scrollbarWidgetClass))
- {
- xaw_update_scrollbar (instance, widget, val);
- }
-#endif
if (XtIsSubclass (widget, dialogWidgetClass))
{
}
void
-xaw_update_one_value (instance, widget, val)
- widget_instance *instance;
- Widget widget;
- widget_value *val;
+xaw_update_one_value (widget_instance *instance,
+ Widget widget,
+ widget_value *val)
{
/* This function is not used by the scrollbars and those are the only
Athena widget implemented at the moment so do nothing. */
}
void
-xaw_destroy_instance (instance)
- widget_instance *instance;
+xaw_destroy_instance (widget_instance *instance)
{
#ifdef HAVE_XFT
- if (instance->xft_data)
+ if (instance->xft_data)
{
int i;
- for (i = 0; i < instance->nr_xft_data; ++i)
+ for (i = 0; i < instance->nr_xft_data; ++i)
{
if (instance->xft_data[i].xft_draw)
XftDrawDestroy (instance->xft_data[i].xft_draw);
- if (instance->xft_data[i].p != None)
+ if (instance->xft_data[i].p != None)
{
XtVaSetValues (instance->xft_data[i].widget, XtNbitmap, None,
NULL);
if (instance->xft_data[0].xft_font)
XftFontClose (XtDisplay (instance->widget),
instance->xft_data[0].xft_font);
- free (instance->xft_data);
+ xfree (instance->xft_data);
}
#endif
if (XtIsSubclass (instance->widget, dialogWidgetClass))
}
void
-xaw_popup_menu (widget, event)
- Widget widget;
- XEvent *event;
+xaw_popup_menu (Widget widget, XEvent *event)
{
/* An Athena menubar has not been implemented. */
return;
}
void
-#ifdef PROTOTYPES
xaw_pop_instance (widget_instance *instance, Boolean up)
-#else
-xaw_pop_instance (instance, up)
- widget_instance *instance;
- Boolean up;
-#endif
{
Widget widget = instance->widget;
/* Dialogs pop down on any key press */
static char dialogOverride[] =
"<KeyPress>Escape: lwlib_delete_dialog()";
-static void wm_delete_window();
+static void wm_delete_window (Widget w,
+ XEvent *event,
+ String *params,
+ Cardinal *num_params);
static XtActionsRec xaw_actions [] = {
{"lwlib_delete_dialog", wm_delete_window}
};
static Boolean actions_initted = False;
#ifdef HAVE_XFT
-static XtActionsRec button_actions[] =
+static XtActionsRec button_actions[] =
{
{ "my_reset", command_reset },
{ "my_press", command_press },
#endif
static Widget
-make_dialog (name, parent, pop_up_p, shell_title, icon_name, text_input_slot,
- radio_box, list, left_buttons, right_buttons, instance)
- 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_instance *instance;
+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_instance *instance)
{
Arg av [20];
int ac = 0;
XtVaGetValues (dialog,
XtNnumChildren, &num,
XtNchildren, &ch, NULL);
- for (i = 0; i < num; ++i)
+ for (i = 0; i < num; ++i)
{
if (!XtIsSubclass (ch[i], commandWidgetClass)
&& XtIsSubclass (ch[i], labelWidgetClass))
}
instance->xft_data = 0;
instance->nr_xft_data = 0;
- if (w)
+ if (w)
{
- XtResource rec[] =
- { { "faceName", "FaceName", XtRString, sizeof(String), 0, XtRString,
- (XtPointer)"Sans-14" }};
- char *faceName;
- XtVaGetSubresources (dialog, &faceName, "Dialog", "dialog",
- rec, 1, 0, NULL);
- if (strcmp ("none", faceName) != 0)
- xft_font = openFont (dialog, faceName);
- if (xft_font)
+ XtResource rec[] =
+ { { "font", "Font", XtRString, sizeof(String), 0, XtRString,
+ (XtPointer)"Sans-10" }};
+ char *fontName = NULL;
+ XtVaGetSubresources (dialog, &fontName, "Dialog", "dialog",
+ rec, 1, (String)NULL);
+ if (fontName)
+ {
+ XFontStruct *xfn = XLoadQueryFont (XtDisplay (dialog), fontName);
+ if (!xfn)
+ xft_font = openFont (dialog, fontName);
+ else
+ XFreeFont (XtDisplay (dialog), xfn);
+ }
+
+ if (xft_font)
{
instance->nr_xft_data = left_buttons + right_buttons + 1;
instance->xft_data = calloc (instance->nr_xft_data,
{
ac = 0;
XtSetArg (av [ac], XtNfromHoriz, button); ac++;
- if (i == 0)
+ if (i == 0)
{
/* Separator to the other buttons. */
XtSetArg (av [ac], XtNhorizDistance, 30); ac++;
}
Widget
-xaw_create_dialog (instance)
- widget_instance* instance;
+xaw_create_dialog (widget_instance *instance)
{
char *name = instance->info->type;
Widget parent = instance->parent;
static void
-xaw_generic_callback (widget, closure, call_data)
- Widget widget;
- XtPointer closure;
- XtPointer call_data;
+xaw_generic_callback (Widget widget, XtPointer closure, XtPointer call_data)
{
widget_instance *instance = (widget_instance *) closure;
Widget instance_widget;
id = instance->info->id;
-#if 0
- user_data = NULL;
- XtVaGetValues (widget, XtNuserData, &user_data, NULL);
-#else
/* Damn! Athena doesn't give us a way to hang our own data on the
buttons, so we have to go find it... I guess this assumes that
all instances of a button have the same call data. */
if (! val) abort ();
user_data = val->call_data;
}
-#endif
if (instance->info->selection_cb)
instance->info->selection_cb (widget, id, user_data);
}
static void
-wm_delete_window (w, closure, call_data)
- Widget w;
- XtPointer closure;
- XtPointer call_data;
+wm_delete_window (Widget w,
+ XEvent *event,
+ String *params,
+ Cardinal *num_params)
{
LWLIB_ID id;
Cardinal nkids;
int i;
Widget *kids = 0;
- Widget widget, shell;
+ Widget widget = 0, shell;
if (XtIsSubclass (w, dialogWidgetClass))
shell = XtParent (w);
if (XtIsSubclass (widget, dialogWidgetClass))
break;
}
+ if (! widget) return;
+
id = lw_get_widget_id (widget);
if (! id) abort ();
}
\f
-/* Scrollbars */
-
-#if 0
-static void
-xaw_scrollbar_scroll (widget, closure, call_data)
- Widget widget;
- XtPointer closure;
- XtPointer call_data;
-{
- widget_instance *instance = (widget_instance *) closure;
- LWLIB_ID id;
- scroll_event event_data;
-
- if (!instance || widget->core.being_destroyed)
- return;
-
- id = instance->info->id;
- event_data.slider_value = 0;
- event_data.time = 0;
-
- if ((int) call_data > 0)
- event_data.action = SCROLLBAR_PAGE_DOWN;
- else
- event_data.action = SCROLLBAR_PAGE_UP;
-
- if (instance->info->pre_activate_cb)
- instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data);
-}
-#endif
-
-#if 0
-static void
-xaw_scrollbar_jump (widget, closure, call_data)
- Widget widget;
- XtPointer closure;
- XtPointer call_data;
-{
- widget_instance *instance = (widget_instance *) closure;
- LWLIB_ID id;
- scroll_event event_data;
- scrollbar_values *val =
- (scrollbar_values *) instance->info->val->scrollbar_data;
- float percent;
-
- if (!instance || widget->core.being_destroyed)
- return;
-
- id = instance->info->id;
-
- percent = * (float *) call_data;
- event_data.slider_value =
- (int) (percent * (float) (val->maximum - val->minimum)) + val->minimum;
-
- event_data.time = 0;
- event_data.action = SCROLLBAR_DRAG;
-
- if (instance->info->pre_activate_cb)
- instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data);
-}
-#endif
static Widget
-xaw_create_scrollbar (instance)
- widget_instance *instance;
-{
-#if 0
- Arg av[20];
- int ac = 0;
- Dimension width;
- Widget scrollbar;
-
- XtVaGetValues (instance->parent, XtNwidth, &width, NULL);
-
- XtSetArg (av[ac], XtNshowGrip, 0); ac++;
- XtSetArg (av[ac], XtNresizeToPreferred, 1); ac++;
- XtSetArg (av[ac], XtNallowResize, True); ac++;
- XtSetArg (av[ac], XtNskipAdjust, True); ac++;
- XtSetArg (av[ac], XtNwidth, width); ac++;
- XtSetArg (av[ac], XtNmappedWhenManaged, True); ac++;
-
- scrollbar =
- XtCreateWidget (instance->info->name, scrollbarWidgetClass,
- instance->parent, av, ac);
-
- /* We have to force the border width to be 0 otherwise the
- geometry manager likes to start looping for awhile... */
- XtVaSetValues (scrollbar, XtNborderWidth, 0, NULL);
-
- XtRemoveAllCallbacks (scrollbar, "jumpProc");
- XtRemoveAllCallbacks (scrollbar, "scrollProc");
-
- XtAddCallback (scrollbar, "jumpProc", xaw_scrollbar_jump,
- (XtPointer) instance);
- XtAddCallback (scrollbar, "scrollProc", xaw_scrollbar_scroll,
- (XtPointer) instance);
-
- return scrollbar;
-#else
- return NULL;
-#endif
-}
-
-static Widget
-xaw_create_main (instance)
- widget_instance *instance;
+xaw_create_main (widget_instance *instance)
{
Arg al[1];
int ac;
widget_creation_entry
xaw_creation_table [] =
{
- {"scrollbar", xaw_create_scrollbar},
{"main", xaw_create_main},
{NULL, NULL}
};
-
-/* arch-tag: fbbd3589-ae1c-41a0-9142-f628cfee6564
- (do not change this comment) */