summaryrefslogtreecommitdiffstats
path: root/app/widgets/gimpcellrendererbutton.c
blob: e051121bf21a99cfc04df88d458c9551ea982a10 (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
/* GIMP - The GNU Image Manipulation Program
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 *
 * gimpcellrendererbutton.c
 * Copyright (C) 2016 Michael Natterer <mitch@gimp.org>
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <config.h>

#include <gtk/gtk.h>

#include "widgets-types.h"

#include "core/gimpmarshal.h"

#include "gimpcellrendererbutton.h"


enum
{
  CLICKED,
  LAST_SIGNAL
};


static gboolean gimp_cell_renderer_button_activate (GtkCellRenderer     *cell,
                                                    GdkEvent            *event,
                                                    GtkWidget           *widget,
                                                    const gchar         *path,
                                                    GdkRectangle        *background_area,
                                                    GdkRectangle        *cell_area,
                                                    GtkCellRendererState flags);


G_DEFINE_TYPE (GimpCellRendererButton, gimp_cell_renderer_button,
               GTK_TYPE_CELL_RENDERER_PIXBUF)

#define parent_class gimp_cell_renderer_button_parent_class

static guint button_cell_signals[LAST_SIGNAL] = { 0 };


static void
gimp_cell_renderer_button_class_init (GimpCellRendererButtonClass *klass)
{
  GObjectClass         *object_class = G_OBJECT_CLASS (klass);
  GtkCellRendererClass *cell_class   = GTK_CELL_RENDERER_CLASS (klass);

  /**
   * GimpCellRendererButton::clicked:
   * @cell:
   * @path:
   * @state:
   *
   * Called on a button cell when it is clicked.
   **/
  button_cell_signals[CLICKED] =
    g_signal_new ("clicked",
                  G_OBJECT_CLASS_TYPE (object_class),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (GimpCellRendererButtonClass, clicked),
                  NULL, NULL,
                  gimp_marshal_VOID__STRING_FLAGS,
                  G_TYPE_NONE, 2,
                  G_TYPE_STRING,
                  GDK_TYPE_MODIFIER_TYPE);

  cell_class->activate = gimp_cell_renderer_button_activate;

  klass->clicked       = NULL;
}

static void
gimp_cell_renderer_button_init (GimpCellRendererButton *cell_button)
{
  g_object_set (cell_button,
                "mode",       GTK_CELL_RENDERER_MODE_ACTIVATABLE,
                "xpad",       2,
                "ypad",       2,
                "stock-size", GTK_ICON_SIZE_BUTTON,
                NULL);
}

static gboolean
gimp_cell_renderer_button_activate (GtkCellRenderer      *cell,
                                    GdkEvent             *event,
                                    GtkWidget            *widget,
                                    const gchar          *path,
                                    GdkRectangle         *background_area,
                                    GdkRectangle         *cell_area,
                                    GtkCellRendererState  flags)
{
  GimpCellRendererButton *cell_button = GIMP_CELL_RENDERER_BUTTON (cell);
  GdkModifierType         state       = 0;

  if (event && ((GdkEventAny *) event)->type == GDK_BUTTON_PRESS)
    state = ((GdkEventButton *) event)->state;

  if (! event ||
      (((GdkEventAny *) event)->type == GDK_BUTTON_PRESS &&
       ((GdkEventButton *) event)->button == 1))
    {
      gimp_cell_renderer_button_clicked (cell_button, path, state);

      return TRUE;
    }

  return FALSE;
}


/*  public functions  */

GtkCellRenderer *
gimp_cell_renderer_button_new (void)
{
  return g_object_new (GIMP_TYPE_CELL_RENDERER_BUTTON, NULL);
}

void
gimp_cell_renderer_button_clicked (GimpCellRendererButton *cell,
                                   const gchar            *path,
                                   GdkModifierType         state)
{
  g_return_if_fail (GIMP_IS_CELL_RENDERER_BUTTON (cell));
  g_return_if_fail (path != NULL);

  g_signal_emit (cell, button_cell_signals[CLICKED], 0, path, state);
}