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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
commit3c57dd931145d43f2b0aef96c4d178135956bf91 (patch)
tree3de698981e9f0cc2c4f9569b19a5f3595e741f6b /app/widgets/gimpoverlayframe.c
parentInitial commit. (diff)
downloadgimp-3c57dd931145d43f2b0aef96c4d178135956bf91.tar.xz
gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.zip
Adding upstream version 2.10.36.upstream/2.10.36
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'app/widgets/gimpoverlayframe.c')
-rw-r--r--app/widgets/gimpoverlayframe.c172
1 files changed, 172 insertions, 0 deletions
diff --git a/app/widgets/gimpoverlayframe.c b/app/widgets/gimpoverlayframe.c
new file mode 100644
index 0000000..2a646e1
--- /dev/null
+++ b/app/widgets/gimpoverlayframe.c
@@ -0,0 +1,172 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpoverlayframe.c
+ * Copyright (C) 2010 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 "libgimpmath/gimpmath.h"
+
+#include "widgets-types.h"
+
+#include "core/gimp-cairo.h"
+
+#include "gimpoverlayframe.h"
+#include "gimpwidgets-utils.h"
+
+
+static void gimp_overlay_frame_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gimp_overlay_frame_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static gboolean gimp_overlay_frame_expose (GtkWidget *widget,
+ GdkEventExpose *eevent);
+
+
+G_DEFINE_TYPE (GimpOverlayFrame, gimp_overlay_frame, GTK_TYPE_BIN)
+
+#define parent_class gimp_overlay_frame_parent_class
+
+
+static void
+gimp_overlay_frame_class_init (GimpOverlayFrameClass *klass)
+{
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+ widget_class->size_request = gimp_overlay_frame_size_request;
+ widget_class->size_allocate = gimp_overlay_frame_size_allocate;
+ widget_class->expose_event = gimp_overlay_frame_expose;
+}
+
+static void
+gimp_overlay_frame_init (GimpOverlayFrame *frame)
+{
+ gtk_widget_set_app_paintable (GTK_WIDGET (frame), TRUE);
+}
+
+static void
+gimp_overlay_frame_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
+ GtkRequisition child_requisition;
+ gint border_width;
+
+ border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
+
+ requisition->width = border_width * 2;
+ requisition->height = border_width * 2;
+
+ if (child && gtk_widget_get_visible (child))
+ {
+ gtk_widget_size_request (child, &child_requisition);
+ }
+ else
+ {
+ child_requisition.width = 0;
+ child_requisition.height = 0;
+ }
+
+ requisition->width += child_requisition.width;
+ requisition->height += child_requisition.height;
+}
+
+static void
+gimp_overlay_frame_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GtkWidget *child = gtk_bin_get_child (GTK_BIN (widget));
+ GtkAllocation child_allocation;
+ gint border_width;
+
+ gtk_widget_set_allocation (widget, allocation);
+
+ border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
+
+ if (child && gtk_widget_get_visible (child))
+ {
+ child_allocation.x = allocation->x + border_width;
+ child_allocation.y = allocation->y + border_width;
+ child_allocation.width = MAX (allocation->width - 2 * border_width, 0);
+ child_allocation.height = MAX (allocation->height - 2 * border_width, 0);
+
+ gtk_widget_size_allocate (child, &child_allocation);
+ }
+}
+
+static gboolean
+gimp_overlay_frame_expose (GtkWidget *widget,
+ GdkEventExpose *eevent)
+{
+ cairo_t *cr = gdk_cairo_create (gtk_widget_get_window (widget));
+ GtkStyle *style = gtk_widget_get_style (widget);
+ GtkAllocation allocation;
+ gboolean rgba;
+ gint border_width;
+
+ rgba = gdk_screen_get_rgba_colormap (gtk_widget_get_screen (widget)) != NULL;
+
+ gdk_cairo_region (cr, eevent->region);
+ cairo_clip (cr);
+
+ if (rgba)
+ {
+ cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
+ cairo_paint (cr);
+ cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
+ }
+
+ gtk_widget_get_allocation (widget, &allocation);
+ border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
+
+ if (rgba)
+ {
+ gimp_cairo_rounded_rectangle (cr,
+ 0.0, 0.0,
+ allocation.width, allocation.height,
+ border_width);
+ }
+ else
+ {
+ cairo_rectangle (cr, 0, 0, allocation.width, allocation.height);
+ }
+
+ cairo_clip_preserve (cr);
+
+ gdk_cairo_set_source_color (cr, &style->bg[GTK_STATE_NORMAL]);
+ cairo_paint (cr);
+
+ if (border_width > 0)
+ {
+ cairo_set_line_width (cr, 2.0);
+ gdk_cairo_set_source_color (cr, &style->fg[GTK_STATE_NORMAL]);
+ cairo_stroke (cr);
+ }
+
+ cairo_destroy (cr);
+
+ return GTK_WIDGET_CLASS (parent_class)->expose_event (widget, eevent);
+}
+
+GtkWidget *
+gimp_overlay_frame_new (void)
+{
+ return g_object_new (GIMP_TYPE_OVERLAY_FRAME, NULL);
+}