summaryrefslogtreecommitdiff
path: root/src/emacsgtkfixed.c
blob: 6a8c751e3060e878ab65e2907b45844c67dbbe48 (about) (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
/* A Gtk Widget that inherits GtkFixed, but can be shrunk.
This file is only use when compiling with Gtk+ 3.

Copyright (C) 2011-2013 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 <http://www.gnu.org/licenses/>.  */

#include <config.h>

#include "emacsgtkfixed.h"
#include <stdio.h>

#include "lisp.h"
#include "frame.h"
#include "xterm.h"

/* Silence a bogus diagnostic; see GNOME bug 683906.  */
#if (__GNUC__ == 4 && 6 <= __GNUC_MINOR__) || 4 < __GNUC__
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wunused-local-typedefs"
#endif

#define EMACS_TYPE_FIXED emacs_fixed_get_type ()
#define EMACS_FIXED(obj) \
  G_TYPE_CHECK_INSTANCE_CAST (obj, EMACS_TYPE_FIXED, EmacsFixed)

typedef struct _EmacsFixed EmacsFixed;
typedef struct _EmacsFixedPrivate EmacsFixedPrivate;
typedef struct _EmacsFixedClass EmacsFixedClass;

struct _EmacsFixed
{
  GtkFixed container;

  /*< private >*/
  EmacsFixedPrivate *priv;
};

struct _EmacsFixedClass
{
  GtkFixedClass parent_class;
};

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);
static GType emacs_fixed_get_type (void);
G_DEFINE_TYPE (EmacsFixed, emacs_fixed, GTK_TYPE_FIXED)

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_TYPE_FIXED,
                                             EmacsFixedPrivate);
  fixed->priv->f = 0;
}

/**
 * emacs_fixed_new:
 *
 * Creates a new #EmacsFixed.
 *
 * Returns: a new #EmacsFixed.
 */
GtkWidget*
emacs_fixed_new (struct frame *f)
{
  EmacsFixed *fixed = g_object_new (EMACS_TYPE_FIXED, 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;
  int w = priv->f->output_data.x->size_hints.min_width;
  if (minimum) *minimum = w;
  if (natural) *natural = w;
}

static void
emacs_fixed_get_preferred_height (GtkWidget *widget,
                                  gint      *minimum,
                                  gint      *natural)
{
  EmacsFixed *fixed = EMACS_FIXED (widget);
  EmacsFixedPrivate *priv = fixed->priv;
  int h = priv->f->output_data.x->size_hints.min_height;
  if (minimum) *minimum = h;
  if (natural) *natural = h;
}


/* 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)
    {
      int w = f->output_data.x->size_hints.min_width;
      int h = f->output_data.x->size_hints.min_height;
      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);
}