7716fbe14b
2008-04-14 Thomas Wood <thos@gnome.org> * Makefile.am: * appearance-themes.c: (themes_init): * caption-cellrenderer.c: * caption-cellrenderer.h: Add a custom cell renderer for metatheme names to allow rounded corners on the selection indicator. Fixes bug 500276. svn path=/trunk/; revision=8652
114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
/*
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* caption-cellrenderer was based on wp-cellrenderer
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*
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* Copyright (C) 2007, 2008 The GNOME Foundation
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* Written by Denis Washington <denisw@svn.gnome.org>
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* Jens Granseuer <jensgr@gmx.net>
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* Thomas Wood <thos@gnome.org>
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* All Rights Reserved
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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 2 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "caption-cellrenderer.h"
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#include <math.h>
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static void cell_renderer_caption_render (GtkCellRenderer *cell,
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GdkWindow *window,
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GtkWidget *widget,
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GdkRectangle *background_area,
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GdkRectangle *cell_area,
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GdkRectangle *expose_area,
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GtkCellRendererState flags);
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G_DEFINE_TYPE (CellRendererCaption, cell_renderer_caption, GTK_TYPE_CELL_RENDERER_TEXT)
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static void
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cell_renderer_caption_class_init (CellRendererCaptionClass *klass)
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{
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GtkCellRendererClass *renderer_class;
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renderer_class = (GtkCellRendererClass *) klass;
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renderer_class->render = cell_renderer_caption_render;
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}
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static void
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cell_renderer_caption_init (CellRendererCaption *renderer)
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{
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}
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GtkCellRenderer *
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cell_renderer_caption_new (void)
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{
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return g_object_new (cell_renderer_caption_get_type (), NULL);
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}
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static void
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cell_renderer_caption_render (GtkCellRenderer *cell,
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GdkWindow *window,
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GtkWidget *widget,
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GdkRectangle *background_area,
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GdkRectangle *cell_area,
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GdkRectangle *expose_area,
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GtkCellRendererState flags)
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{
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(* GTK_CELL_RENDERER_CLASS (cell_renderer_caption_parent_class)->render)
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(cell, window, widget, background_area, cell_area, expose_area, flags);
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if ((flags & (GTK_CELL_RENDERER_SELECTED|GTK_CELL_RENDERER_PRELIT)) != 0)
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{
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cairo_t *cr;
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int radius = 5;
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int x, y, w, h;
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GtkStateType state;
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x = background_area->x;
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y = background_area->y;
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w = background_area->width;
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h = background_area->height;
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/* sometimes width is -1 - not sure what to do here */
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if (w == -1)
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return;
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if ((flags & GTK_CELL_RENDERER_SELECTED) != 0)
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{
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if (GTK_WIDGET_HAS_FOCUS (widget))
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state = GTK_STATE_SELECTED;
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else
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state = GTK_STATE_ACTIVE;
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}
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else
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state = GTK_STATE_PRELIGHT;
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/* add rounded corners to the selection indicator */
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cr = gdk_cairo_create (GDK_DRAWABLE (window));
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gdk_cairo_set_source_color (cr, &widget->style->base[GTK_STATE_NORMAL]);
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cairo_rectangle (cr, x, y, w, h);
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cairo_arc (cr, x + radius, y + radius, radius, M_PI, M_PI * 1.5);
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cairo_arc (cr, x + w - radius, y + radius, radius, M_PI * 1.5, 0);
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cairo_arc (cr, x + w - radius, y + h - radius, radius, 0, M_PI * 0.5);
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cairo_arc (cr, x + radius, y + h - radius, radius, M_PI * 0.5, M_PI);
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cairo_close_path (cr);
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cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
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cairo_fill (cr);
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cairo_destroy (cr);
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}
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}
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