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Add our own activatable interface to EomWindow
Improves typesafety by explicitly passing the EomWindow and allows us to extend the interface if necessary. https://bugzilla.gnome.org/show_bug.cgi?id=626091 origin commit: https://gitlab.gnome.org/GNOME/eog/commit/397a6a5
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/* | ||
* eom-window-activatable.c | ||
* This file is part of eom | ||
* | ||
* Author: Felix Riemann <friemann@gnome.org> | ||
* | ||
* Copyright (C) 2011 Felix Riemann | ||
* | ||
* Base on code by: | ||
* - Steve Frécinaux <code@istique.net> | ||
* | ||
* 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 2 | ||
* 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, write to the Free Software Foundation, Inc., | ||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
*/ | ||
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#ifdef HAVE_CONFIG_H | ||
#include "config.h" | ||
#endif | ||
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#include "eom-window-activatable.h" | ||
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#include <glib-object.h> | ||
#include "eom-window.h" | ||
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G_DEFINE_INTERFACE(EomWindowActivatable, eom_window_activatable, G_TYPE_OBJECT) | ||
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void | ||
eom_window_activatable_default_init (EomWindowActivatableInterface *iface) | ||
{ | ||
static gboolean initialized = FALSE; | ||
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if (!initialized) { | ||
/** | ||
* EomWindowActivatable:window: | ||
* | ||
* This is the #EomWindow this #EomWindowActivatable instance | ||
* should be attached to. | ||
*/ | ||
g_object_interface_install_property (iface, | ||
g_param_spec_object ("window", "Window", | ||
"The EomWindow this " | ||
"instance it attached to", | ||
EOM_TYPE_WINDOW, | ||
G_PARAM_READWRITE | | ||
G_PARAM_CONSTRUCT_ONLY | | ||
G_PARAM_STATIC_STRINGS)); | ||
initialized = TRUE; | ||
} | ||
} | ||
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void | ||
eom_window_activatable_activate (EomWindowActivatable *activatable) | ||
{ | ||
EomWindowActivatableInterface *iface; | ||
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g_return_if_fail (EOM_IS_WINDOW_ACTIVATABLE (activatable)); | ||
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iface = EOM_WINDOW_ACTIVATABLE_GET_IFACE (activatable); | ||
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if (G_LIKELY (iface->activate != NULL)) | ||
iface->activate (activatable); | ||
} | ||
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void | ||
eom_window_activatable_deactivate (EomWindowActivatable *activatable) | ||
{ | ||
EomWindowActivatableInterface *iface; | ||
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g_return_if_fail (EOM_IS_WINDOW_ACTIVATABLE (activatable)); | ||
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iface = EOM_WINDOW_ACTIVATABLE_GET_IFACE (activatable); | ||
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if (G_LIKELY (iface->deactivate != NULL)) | ||
iface->deactivate (activatable); | ||
} | ||
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/* | ||
* eom-window-activatable.h | ||
* This file is part of eom | ||
* | ||
* Author: Felix Riemann <friemann@gnome.org> | ||
* | ||
* Copyright (C) 2011 Felix Riemann | ||
* | ||
* Base on code by: | ||
* - Steve Frécinaux <code@istique.net> | ||
* | ||
* 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 2 | ||
* 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, write to the Free Software Foundation, Inc., | ||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
*/ | ||
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#ifndef __EOM_WINDOW_ACTIVATABLE_H__ | ||
#define __EOM_WINDOW_ACTIVATABLE_H__ | ||
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#include <glib-object.h> | ||
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G_BEGIN_DECLS | ||
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#define EOM_TYPE_WINDOW_ACTIVATABLE (eom_window_activatable_get_type ()) | ||
#define EOM_WINDOW_ACTIVATABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), \ | ||
EOM_TYPE_WINDOW_ACTIVATABLE, \ | ||
EomWindowActivatable)) | ||
#define EOM_WINDOW_ACTIVATABLE_IFACE(obj) \ | ||
(G_TYPE_CHECK_CLASS_CAST ((obj), \ | ||
EOM_TYPE_WINDOW_ACTIVATABLE, \ | ||
EomWindowActivatableInterface)) | ||
#define EOM_IS_WINDOW_ACTIVATABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \ | ||
EOM_TYPE_WINDOW_ACTIVATABLE)) | ||
#define EOM_WINDOW_ACTIVATABLE_GET_IFACE(obj) \ | ||
(G_TYPE_INSTANCE_GET_INTERFACE ((obj), \ | ||
EOM_TYPE_WINDOW_ACTIVATABLE, \ | ||
EomWindowActivatableInterface)) | ||
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typedef struct _EomWindowActivatable EomWindowActivatable; | ||
typedef struct _EomWindowActivatableInterface EomWindowActivatableInterface; | ||
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struct _EomWindowActivatableInterface | ||
{ | ||
GTypeInterface g_iface; | ||
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/* vfuncs */ | ||
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void (*activate) (EomWindowActivatable *activatable); | ||
void (*deactivate) (EomWindowActivatable *activatable); | ||
}; | ||
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GType eom_window_activatable_get_type (void) G_GNUC_CONST; | ||
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void eom_window_activatable_activate (EomWindowActivatable *activatable); | ||
void eom_window_activatable_deactivate (EomWindowActivatable *activatable); | ||
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G_END_DECLS | ||
#endif /* __EOM_WINDOW_ACTIVATABLE_H__ */ | ||
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