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authorPerberos <[email protected]>2011-12-01 22:56:10 -0300
committerPerberos <[email protected]>2011-12-01 22:56:10 -0300
commitc51ef797a707f4e2c6f9688d4378f2b0e9898a66 (patch)
tree019ae92bb53c19b30077545cb14743cbd1b57aef /mate-panel/panel-frame.c
downloadmate-panel-c51ef797a707f4e2c6f9688d4378f2b0e9898a66.tar.bz2
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moving from https://github.com/perberos/mate-desktop-environment
Diffstat (limited to 'mate-panel/panel-frame.c')
-rw-r--r--mate-panel/panel-frame.c328
1 files changed, 328 insertions, 0 deletions
diff --git a/mate-panel/panel-frame.c b/mate-panel/panel-frame.c
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+++ b/mate-panel/panel-frame.c
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+/*
+ * panel-frame.c: A frame which only draws certain edges.
+ *
+ * Copyright (C) 2003 Sun Microsystems, Inc.
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Authors:
+ * Mark McLoughlin <[email protected]>
+ */
+
+#include <config.h>
+
+#include "panel-frame.h"
+
+#include "panel-typebuiltins.h"
+
+G_DEFINE_TYPE (PanelFrame, panel_frame, GTK_TYPE_BIN)
+
+enum {
+ PROP_0,
+ PROP_EDGES
+};
+
+static void
+panel_frame_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ PanelFrame *frame = (PanelFrame *) widget;
+ GtkBin *bin = (GtkBin *) widget;
+ GtkStyle *style;
+ GtkWidget *child;
+ int border_width;
+
+ style = gtk_widget_get_style (widget);
+ border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
+
+ requisition->width = 1;
+ requisition->height = 1;
+
+ child = gtk_bin_get_child (bin);
+ if (child && gtk_widget_get_visible (child))
+ gtk_widget_size_request (child, requisition);
+
+ requisition->width += border_width;
+ requisition->height += border_width;
+
+ if (frame->edges & PANEL_EDGE_TOP)
+ requisition->height += style->xthickness;
+ if (frame->edges & PANEL_EDGE_BOTTOM)
+ requisition->height += style->xthickness;
+ if (frame->edges & PANEL_EDGE_LEFT)
+ requisition->width += style->ythickness;
+ if (frame->edges & PANEL_EDGE_RIGHT)
+ requisition->width += style->ythickness;
+}
+
+static void
+panel_frame_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ PanelFrame *frame = (PanelFrame *) widget;
+ GtkBin *bin = (GtkBin *) widget;
+ GtkStyle *style;
+ GtkAllocation child_allocation;
+ GtkAllocation child_allocation_current;
+ GtkWidget *child;
+ int border_width;
+
+ gtk_widget_set_allocation (widget, allocation);
+
+ style = gtk_widget_get_style (widget);
+ border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
+
+ child_allocation.x = allocation->x + border_width;
+ child_allocation.y = allocation->y + border_width;
+ child_allocation.width = allocation->width - 2 * border_width;
+ child_allocation.height = allocation->height - 2 * border_width;
+
+ if (frame->edges & PANEL_EDGE_LEFT) {
+ child_allocation.x += style->xthickness;
+ child_allocation.width -= style->xthickness;
+ }
+
+ if (frame->edges & PANEL_EDGE_TOP) {
+ child_allocation.y += style->ythickness;
+ child_allocation.height -= style->ythickness;
+ }
+
+ if (frame->edges & PANEL_EDGE_RIGHT)
+ child_allocation.width -= style->xthickness;
+
+ if (frame->edges & PANEL_EDGE_BOTTOM)
+ child_allocation.height -= style->ythickness;
+
+ child = gtk_bin_get_child (bin);
+ gtk_widget_get_allocation (child, &child_allocation_current);
+
+ if (gtk_widget_get_mapped (widget) &&
+ (child_allocation.x != child_allocation_current.x ||
+ child_allocation.y != child_allocation_current.y ||
+ child_allocation.width != child_allocation_current.width ||
+ child_allocation.height != child_allocation_current.height))
+ gdk_window_invalidate_rect (gtk_widget_get_window (widget), allocation, FALSE);
+
+ if (child && gtk_widget_get_visible (child))
+ gtk_widget_size_allocate (child, &child_allocation);
+}
+
+void
+panel_frame_draw (GtkWidget *widget,
+ PanelFrameEdge edges)
+{
+ GdkWindow *window;
+ GtkStyle *style;
+ GtkStateType state;
+ GtkAllocation allocation;
+ GdkGC *dark, *light, *black;
+ int x, y, width, height;
+ int xthickness, ythickness;
+
+ if (edges == PANEL_EDGE_NONE)
+ return;
+
+ window = gtk_widget_get_window (widget);
+ style = gtk_widget_get_style (widget);
+ state = gtk_widget_get_state (widget);
+ gtk_widget_get_allocation (widget, &allocation);
+
+ dark = style->dark_gc [state];
+ light = style->light_gc [state];
+ black = style->black_gc;
+
+ xthickness = style->xthickness;
+ ythickness = style->ythickness;
+
+ x = allocation.x;
+ y = allocation.y;
+ width = allocation.width;
+ height = allocation.height;
+
+ /* Copied from gtk_default_draw_shadow() */
+
+ if (edges & PANEL_EDGE_BOTTOM && ythickness > 0) {
+ if (ythickness > 1) {
+ gdk_draw_line (window, dark,
+ x, y + height - 2,
+ x + width - 1, y + height - 2);
+ gdk_draw_line (window, black,
+ x, y + height - 1,
+ x + width - 1, y + height - 1);
+ } else
+ gdk_draw_line (window, dark,
+ x, y + height - 1,
+ x + width - 1, y + height - 1);
+ }
+
+ if (edges & PANEL_EDGE_RIGHT && xthickness > 0) {
+ if (xthickness > 1) {
+ gdk_draw_line (window, dark,
+ x + width - 2, y,
+ x + width - 2, y + height - 1);
+
+ gdk_draw_line (window, black,
+ x + width - 1, y,
+ x + width - 1, y + height - 1);
+ } else
+ gdk_draw_line (window, dark,
+ x + width - 1, y,
+ x + width - 1, y + height - 1);
+ }
+
+ if (edges & PANEL_EDGE_TOP && ythickness > 0) {
+ gdk_draw_line (window, light,
+ x, y, x + width - 1, y);
+
+ if (ythickness > 1)
+ gdk_draw_line (window,
+ style->bg_gc [state],
+ x, y + 1, x + width - 1, y + 1);
+ }
+
+ if (edges & PANEL_EDGE_LEFT && xthickness > 0) {
+ gdk_draw_line (window, light,
+ x, y, x, y + height - 1);
+
+ if (xthickness > 1)
+ gdk_draw_line (window,
+ style->bg_gc [state],
+ x + 1, y, x + 1, y + height - 1);
+ }
+}
+
+static gboolean panel_frame_expose(GtkWidget* widget, GdkEventExpose* event)
+{
+ PanelFrame *frame = (PanelFrame *) widget;
+ gboolean retval = FALSE;
+
+ if (!gtk_widget_is_drawable (widget))
+ return retval;
+
+ if (GTK_WIDGET_CLASS (panel_frame_parent_class)->expose_event)
+ {
+ retval = GTK_WIDGET_CLASS (panel_frame_parent_class)->expose_event (widget, event);
+ }
+
+ panel_frame_draw (widget, frame->edges);
+
+ return retval;
+}
+
+static void
+panel_frame_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ PanelFrame *frame;
+
+ g_return_if_fail (PANEL_IS_FRAME (object));
+
+ frame = PANEL_FRAME (object);
+
+ switch (prop_id) {
+ case PROP_EDGES:
+ panel_frame_set_edges (frame, g_value_get_enum (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+panel_frame_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ PanelFrame *frame;
+
+ g_return_if_fail (PANEL_IS_FRAME (object));
+
+ frame = PANEL_FRAME (object);
+
+ switch (prop_id) {
+ case PROP_EDGES:
+ g_value_set_enum (value, frame->edges);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+panel_frame_class_init (PanelFrameClass *klass)
+{
+ GObjectClass *gobject_class = (GObjectClass *) klass;
+ GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
+
+ gobject_class->set_property = panel_frame_set_property;
+ gobject_class->get_property = panel_frame_get_property;
+
+ widget_class->size_request = panel_frame_size_request;
+ widget_class->size_allocate = panel_frame_size_allocate;
+ widget_class->expose_event = panel_frame_expose;
+
+ g_object_class_install_property (
+ gobject_class,
+ PROP_EDGES,
+ g_param_spec_enum (
+ "edges",
+ "Edges",
+ "Which edges to draw",
+ PANEL_TYPE_FRAME_EDGE,
+ PANEL_EDGE_NONE,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+}
+
+static void
+panel_frame_init (PanelFrame *frame)
+{
+ frame->edges = PANEL_EDGE_NONE;
+}
+
+GtkWidget *
+panel_frame_new (PanelFrameEdge edges)
+{
+ return g_object_new (PANEL_TYPE_FRAME, "edges", edges, NULL);
+}
+
+void
+panel_frame_set_edges (PanelFrame *frame,
+ PanelFrameEdge edges)
+{
+ g_return_if_fail (PANEL_IS_FRAME (frame));
+
+ if (frame->edges == edges)
+ return;
+
+ frame->edges = edges;
+
+ gtk_widget_queue_resize (GTK_WIDGET (frame));
+
+ g_object_notify (G_OBJECT (frame), "edges");
+}
+
+PanelFrameEdge
+panel_frame_get_edges (PanelFrame *frame)
+{
+ g_return_val_if_fail (PANEL_IS_FRAME (frame), 0);
+
+ return frame->edges;
+}
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