379a09e0d6
The renderer does not stick around so we need to disconnect the signal
handler on "dispose". Since the renderer is not a GObject track the
signal id manually instead of using `g_signal_connect_object ()`.
Fixes 1995285 ("eek-renderer: Honor theme changes")
81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
/*
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* Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
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* Copyright (C) 2011 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef EEK_RENDERER_H
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#define EEK_RENDERER_H 1
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#include <gtk/gtk.h>
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#include <pango/pangocairo.h>
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#include "eek-types.h"
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#include "src/submission.h"
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struct squeek_layout;
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/// Renders LevelKayboards
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/// It cannot adjust styles at runtime.
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typedef struct EekRenderer
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{
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PangoContext *pcontext; // owned
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GtkCssProvider *css_provider; // owned
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GtkStyleContext *view_context; // owned
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GtkStyleContext *button_context; // TODO: maybe move a copy to each button
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/// Style class for rendering the view and button CSS.
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gchar *extra_style; // owned
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// Theme name change signal handler id
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gulong theme_name_id;
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// Mutable state
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gint scale_factor; /* the outputs scale factor */
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} EekRenderer;
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/// Mutable part of the renderer state.
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/// TODO: Possibly should include scale factor.
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struct render_geometry {
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/// Background extents
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gdouble allocation_width;
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gdouble allocation_height;
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/// Coords transformation
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struct transformation widget_to_layout;
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};
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GType eek_renderer_get_type (void) G_GNUC_CONST;
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EekRenderer *eek_renderer_new (LevelKeyboard *keyboard,
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PangoContext *pcontext);
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void eek_renderer_set_scale_factor (EekRenderer *renderer,
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gint scale);
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cairo_surface_t *eek_renderer_get_icon_surface(const gchar *icon_name,
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gint size,
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gint scale);
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void eek_renderer_render_keyboard (EekRenderer *renderer, struct render_geometry geometry, struct submission *submission,
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cairo_t *cr, LevelKeyboard *keyboard);
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void
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eek_renderer_free (EekRenderer *self);
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struct render_geometry
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eek_render_geometry_from_allocation_size (struct squeek_layout *layout,
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gdouble width, gdouble height);
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G_END_DECLS
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#endif /* EEK_RENDERER_H */
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