mirror of https://github.com/GNOME/gimp.git
119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpoverlayframe.c
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* Copyright (C) 2010 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "libgimpmath/gimpmath.h"
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#include "widgets-types.h"
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#include "core/gimp-cairo.h"
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#include "gimpoverlayframe.h"
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#include "gimpwidgets-utils.h"
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static gboolean gimp_overlay_frame_draw (GtkWidget *widget,
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cairo_t *cr);
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G_DEFINE_TYPE (GimpOverlayFrame, gimp_overlay_frame, GTK_TYPE_BIN)
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#define parent_class gimp_overlay_frame_parent_class
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static void
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gimp_overlay_frame_class_init (GimpOverlayFrameClass *klass)
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{
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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widget_class->draw = gimp_overlay_frame_draw;
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gtk_widget_class_set_css_name (widget_class, "popover");
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}
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static void
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gimp_overlay_frame_init (GimpOverlayFrame *frame)
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{
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gtk_widget_set_app_paintable (GTK_WIDGET (frame), TRUE);
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gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (frame)),
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"background");
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}
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static gboolean
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gimp_overlay_frame_draw (GtkWidget *widget,
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cairo_t *cr)
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{
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GtkStyleContext *style = gtk_widget_get_style_context (widget);
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GtkAllocation allocation;
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gboolean rgba;
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gint border_radius;
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rgba = gdk_screen_get_rgba_visual (gtk_widget_get_screen (widget)) != NULL;
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if (rgba)
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{
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cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
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cairo_paint (cr);
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cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
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}
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gtk_widget_get_allocation (widget, &allocation);
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gtk_style_context_get (style, gtk_style_context_get_state (style),
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"border-radius", &border_radius,
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NULL);
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if (rgba)
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{
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gimp_cairo_rounded_rectangle (cr,
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0.0, 0.0,
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allocation.width, allocation.height,
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border_radius);
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}
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else
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{
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cairo_rectangle (cr, 0, 0, allocation.width, allocation.height);
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}
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cairo_clip (cr);
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gtk_render_background (style, cr,
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0, 0,
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allocation.width,
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allocation.height);
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gtk_render_frame (style, cr,
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0, 0,
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allocation.width,
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allocation.height);
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return GTK_WIDGET_CLASS (parent_class)->draw (widget, cr);
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}
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GtkWidget *
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gimp_overlay_frame_new (void)
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{
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return g_object_new (GIMP_TYPE_OVERLAY_FRAME, NULL);
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}
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