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GtkThemingEngine: Add vmethod to render an extension.
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@ -112,6 +112,13 @@ static void gtk_theming_engine_render_frame_gap (GtkThemingEngine *engine,
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GtkPositionType gap_side,
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gdouble xy0_gap,
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gdouble xy1_gap);
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static void gtk_theming_engine_render_extension (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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GtkPositionType gap_side);
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G_DEFINE_TYPE (GtkThemingEngine, gtk_theming_engine, G_TYPE_OBJECT)
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@ -154,6 +161,7 @@ gtk_theming_engine_class_init (GtkThemingEngineClass *klass)
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klass->render_line = gtk_theming_engine_render_line;
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klass->render_slider = gtk_theming_engine_render_slider;
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klass->render_frame_gap = gtk_theming_engine_render_frame_gap;
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klass->render_extension = gtk_theming_engine_render_extension;
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g_type_class_add_private (object_class, sizeof (GtkThemingEnginePrivate));
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}
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@ -1256,5 +1264,85 @@ gtk_theming_engine_render_frame_gap (GtkThemingEngine *engine,
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gdk_color_free (bg_color);
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}
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static void
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gtk_theming_engine_render_extension (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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GtkPositionType gap_side)
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{
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GtkStateFlags flags;
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GtkStateType state;
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GdkColor *bg_color;
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GdkColor lighter, darker;
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guint sides;
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cairo_save (cr);
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flags = gtk_theming_engine_get_state (engine);
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if (flags & GTK_STATE_FLAG_ACTIVE)
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state = GTK_STATE_ACTIVE;
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else if (flags & GTK_STATE_FLAG_PRELIGHT)
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state = GTK_STATE_PRELIGHT;
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else if (flags & GTK_STATE_FLAG_INSENSITIVE)
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state = GTK_STATE_INSENSITIVE;
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else
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state = GTK_STATE_NORMAL;
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cairo_set_line_width (cr, 1);
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gtk_theming_engine_get (engine, state,
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"background-color", &bg_color,
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NULL);
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color_shade (bg_color, 0.7, &darker);
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color_shade (bg_color, 1.3, &lighter);
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add_path_rounded_rectangle (cr, 0,
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SIDE_BOTTOM | SIDE_RIGHT | SIDE_TOP | SIDE_LEFT,
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x, y, width, height);
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cairo_close_path (cr);
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gdk_cairo_set_source_color (cr, bg_color);
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cairo_fill (cr);
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if (gap_side == GTK_POS_RIGHT)
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sides = SIDE_BOTTOM;
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else if (gap_side == GTK_POS_BOTTOM)
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sides = SIDE_RIGHT;
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else
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sides = SIDE_BOTTOM | SIDE_RIGHT;
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add_path_rounded_rectangle (cr, 0, sides,
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x, y, width, height);
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cairo_set_source_rgb (cr, 0, 0, 0);
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cairo_stroke (cr);
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add_path_rounded_rectangle (cr, 0, sides,
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x, y, width - 1, height - 1);
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gdk_cairo_set_source_color (cr, &darker);
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cairo_stroke (cr);
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if (gap_side == GTK_POS_LEFT)
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sides = SIDE_TOP;
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else if (gap_side == GTK_POS_TOP)
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sides = SIDE_LEFT;
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else
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sides = SIDE_TOP | SIDE_LEFT;
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add_path_rounded_rectangle (cr, 0, sides,
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x, y, width, height);
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gdk_cairo_set_source_color (cr, &lighter);
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cairo_stroke (cr);
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cairo_restore (cr);
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gdk_color_free (bg_color);
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}
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#define __GTK_THEMING_ENGINE_C__
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#include "gtkaliasdef.c"
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@ -76,6 +76,13 @@ struct GtkThemingEngineClass
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GtkPositionType gap_side,
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gdouble xy0_gap,
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gdouble xy1_gap);
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void (* render_extension) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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GtkPositionType gap_side);
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void (* render_check) (GtkThemingEngine *engine,
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cairo_t *cr,
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gdouble x,
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