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/* A Gtk Widget that inherits GtkFixed, but can be shrunk.
This file is only use when compiling with Gtk+ 3.
Copyright (C) 2011-2021 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs 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 3 of the License, or (at
your option) any later version.
GNU Emacs 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. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#include "lisp.h"
#include "frame.h"
#ifdef HAVE_PGTK
#include "pgtkterm.h"
#else
#include "xterm.h"
#endif
#include "xwidget.h"
#include "emacsgtkfixed.h"
/* Silence a bogus diagnostic; see GNOME bug 683906. */
#if GNUC_PREREQ (4, 7, 0) && ! GLIB_CHECK_VERSION (2, 35, 7)
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wunused-local-typedefs"
#endif
typedef struct _EmacsFixed EmacsFixed;
typedef struct _EmacsFixedClass EmacsFixedClass;
struct _EmacsFixedPrivate
{
struct frame *f;
};
static void emacs_fixed_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural);
static void emacs_fixed_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural);
G_DEFINE_TYPE (EmacsFixed, emacs_fixed, GTK_TYPE_FIXED)
static EmacsFixed *
EMACS_FIXED (GtkWidget *widget)
{
return G_TYPE_CHECK_INSTANCE_CAST (widget, emacs_fixed_get_type (),
EmacsFixed);
}
static void
emacs_fixed_class_init (EmacsFixedClass *klass)
{
GtkWidgetClass *widget_class;
widget_class = (GtkWidgetClass *) klass;
widget_class->get_preferred_width = emacs_fixed_get_preferred_width;
widget_class->get_preferred_height = emacs_fixed_get_preferred_height;
g_type_class_add_private (klass, sizeof (EmacsFixedPrivate));
}
static void
emacs_fixed_init (EmacsFixed *fixed)
{
fixed->priv = G_TYPE_INSTANCE_GET_PRIVATE (fixed, emacs_fixed_get_type (),
EmacsFixedPrivate);
fixed->priv->f = 0;
}
GtkWidget *
emacs_fixed_new (struct frame *f)
{
EmacsFixed *fixed = g_object_new (emacs_fixed_get_type (), NULL);
EmacsFixedPrivate *priv = fixed->priv;
priv->f = f;
return GTK_WIDGET (fixed);
}
static void
emacs_fixed_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural)
{
EmacsFixed *fixed = EMACS_FIXED (widget);
EmacsFixedPrivate *priv = fixed->priv;
#ifdef HAVE_PGTK
int w = priv->f->output_data.pgtk->size_hints.min_width;
if (minimum) *minimum = w;
if (natural) *natural = priv->f->output_data.pgtk->preferred_width;
#else
int w = priv->f->output_data.x->size_hints.min_width;
if (minimum) *minimum = w;
if (natural) *natural = w;
#endif
}
static void
emacs_fixed_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
EmacsFixed *fixed = EMACS_FIXED (widget);
EmacsFixedPrivate *priv = fixed->priv;
#ifdef HAVE_PGTK
int h = priv->f->output_data.pgtk->size_hints.min_height;
if (minimum) *minimum = h;
if (natural) *natural = priv->f->output_data.pgtk->preferred_height;
#else
int h = priv->f->output_data.x->size_hints.min_height;
if (minimum) *minimum = h;
if (natural) *natural = h;
#endif
}
#ifndef HAVE_PGTK
/* Override the X function so we can intercept Gtk+ 3 calls.
Use our values for min_width/height so that KDE don't freak out
(Bug#8919), and so users can resize our frames as they wish. */
void
XSetWMSizeHints (Display *d,
Window w,
XSizeHints *hints,
Atom prop)
{
struct x_display_info *dpyinfo = x_display_info_for_display (d);
struct frame *f = x_top_window_to_frame (dpyinfo, w);
long data[18];
data[0] = hints->flags;
data[1] = hints->x;
data[2] = hints->y;
data[3] = hints->width;
data[4] = hints->height;
data[5] = hints->min_width;
data[6] = hints->min_height;
data[7] = hints->max_width;
data[8] = hints->max_height;
data[9] = hints->width_inc;
data[10] = hints->height_inc;
data[11] = hints->min_aspect.x;
data[12] = hints->min_aspect.y;
data[13] = hints->max_aspect.x;
data[14] = hints->max_aspect.y;
data[15] = hints->base_width;
data[16] = hints->base_height;
data[17] = hints->win_gravity;
if ((hints->flags & PMinSize) && f)
{
#ifdef HAVE_PGTK
int w = f->output_data.pgtk->size_hints.min_width;
int h = f->output_data.pgtk->size_hints.min_height;
#else
int w = f->output_data.x->size_hints.min_width;
int h = f->output_data.x->size_hints.min_height;
#endif
data[5] = w;
data[6] = h;
}
XChangeProperty (d, w, prop, XA_WM_SIZE_HINTS, 32, PropModeReplace,
(unsigned char *) data, 18);
}
/* Override this X11 function.
This function is in the same X11 file as the one above. So we must
provide it also. */
void
XSetWMNormalHints (Display *d, Window w, XSizeHints *hints)
{
XSetWMSizeHints (d, w, hints, XA_WM_NORMAL_HINTS);
}
#endif
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