/* gnumeric-cell-renderer-toggle.c * * Author: * Andreas J. Guelzow * * Copyright (C) 2002 Andreas J. Guelzow * * 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include "gnumeric-cell-renderer-toggle.h" #include #include "gnm-i18n.h" static void gnumeric_cell_renderer_toggle_get_property (GObject *object, guint param_id, GValue *value, GParamSpec *pspec); static void gnumeric_cell_renderer_toggle_set_property (GObject *object, guint param_id, const GValue *value, GParamSpec *pspec); static void gnumeric_cell_renderer_toggle_get_size (GtkCellRenderer *cell, GtkWidget *widget, GdkRectangle const *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height); static void gnumeric_cell_renderer_toggle_render (GtkCellRenderer *cell, cairo_t *cr, GtkWidget *widget, GdkRectangle const *background_area, GdkRectangle const *cell_area, GtkCellRendererState flags); static void gnumeric_cell_renderer_toggle_class_init (GnumericCellRendererToggleClass *cell_toggle_class); static GtkCellRendererToggleClass *parent_class = NULL; enum { PROP_ZERO, PROP_PIXBUF }; GType gnumeric_cell_renderer_toggle_get_type (void) { static GType cell_toggle_type = 0; if (!cell_toggle_type) { static const GTypeInfo cell_toggle_info = { sizeof (GnumericCellRendererToggleClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc)gnumeric_cell_renderer_toggle_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (GnumericCellRendererToggle), 0, /* n_preallocs */ (GInstanceInitFunc) NULL, }; cell_toggle_type = g_type_register_static (GTK_TYPE_CELL_RENDERER_TOGGLE, "GnumericCellRendererToggle", &cell_toggle_info, 0); } return cell_toggle_type; } static void gnumeric_cell_renderer_toggle_class_init (GnumericCellRendererToggleClass *class) { GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class); GObjectClass *object_class = G_OBJECT_CLASS (class); parent_class = g_type_class_peek_parent (object_class); object_class->get_property = gnumeric_cell_renderer_toggle_get_property; object_class->set_property = gnumeric_cell_renderer_toggle_set_property; cell_class->render = gnumeric_cell_renderer_toggle_render; cell_class->get_size = gnumeric_cell_renderer_toggle_get_size; g_object_class_install_property (object_class, PROP_PIXBUF, g_param_spec_object ("pixbuf", P_("Pixbuf Object"), P_("The pixbuf to render."), GDK_TYPE_PIXBUF, GSF_PARAM_STATIC | G_PARAM_READWRITE)); } GtkCellRenderer * gnumeric_cell_renderer_toggle_new (void) { return GTK_CELL_RENDERER (g_object_new (GNUMERIC_TYPE_CELL_RENDERER_TOGGLE, NULL)); } static void gnumeric_cell_renderer_toggle_get_property (GObject *object, guint param_id, GValue *value, GParamSpec *pspec) { GnumericCellRendererToggle *celltoggle = GNUMERIC_CELL_RENDERER_TOGGLE (object); switch (param_id) { case PROP_PIXBUF: g_value_set_object (value, celltoggle->pixbuf ? G_OBJECT (celltoggle->pixbuf) : NULL); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; } } static void gnumeric_cell_renderer_toggle_set_property (GObject *object, guint param_id, const GValue *value, GParamSpec *pspec) { GnumericCellRendererToggle *celltoggle = GNUMERIC_CELL_RENDERER_TOGGLE (object); GdkPixbuf *pixbuf; switch (param_id) { case PROP_PIXBUF: pixbuf = (GdkPixbuf*) g_value_get_object (value); if (pixbuf) g_object_ref (pixbuf); if (celltoggle->pixbuf) g_object_unref (celltoggle->pixbuf); celltoggle->pixbuf = pixbuf; break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; } } static void gnumeric_cell_renderer_toggle_get_size (GtkCellRenderer *cell, G_GNUC_UNUSED GtkWidget *widget, GdkRectangle const *cell_area, gint *x_offset, gint *y_offset, gint *width, gint *height) { GnumericCellRendererToggle *cellpixbuf = (GnumericCellRendererToggle *) cell; gint pixbuf_width = 0; gint pixbuf_height = 0; gint calc_width; gint calc_height; int xpad, ypad; gfloat xalign, yalign; if (cellpixbuf->pixbuf) { pixbuf_width = gdk_pixbuf_get_width (cellpixbuf->pixbuf); pixbuf_height = gdk_pixbuf_get_height (cellpixbuf->pixbuf); } gtk_cell_renderer_get_padding (GTK_CELL_RENDERER (cellpixbuf), &xpad, &ypad); gtk_cell_renderer_get_alignment (GTK_CELL_RENDERER (cellpixbuf), &xalign, &yalign); calc_width = xpad * 2 + pixbuf_width; calc_height = ypad * 2 + pixbuf_height; if (x_offset) *x_offset = 0; if (y_offset) *y_offset = 0; if (cell_area && pixbuf_width > 0 && pixbuf_height > 0) { if (x_offset) { *x_offset = xalign * (cell_area->width - calc_width - (2 * xpad)); *x_offset = MAX (*x_offset, 0) + xpad; } if (y_offset) { *y_offset = yalign * (cell_area->height - calc_height - (2 * ypad)); *y_offset = MAX (*y_offset, 0) + ypad; } } if (calc_width) *width = calc_width; if (height) *height = calc_height; } static void gnumeric_cell_renderer_toggle_render (GtkCellRenderer *cell, cairo_t *cr, GtkWidget *widget, G_GNUC_UNUSED GdkRectangle const *background_area, GdkRectangle const *cell_area, G_GNUC_UNUSED GtkCellRendererState flags) { GnumericCellRendererToggle *cellpixbuf = (GnumericCellRendererToggle *) cell; GdkPixbuf *pixbuf; GdkRectangle pix_rect; GdkRectangle draw_rect; int xpad, ypad; pixbuf = cellpixbuf->pixbuf; if (!pixbuf) return; gnumeric_cell_renderer_toggle_get_size (cell, widget, cell_area, &pix_rect.x, &pix_rect.y, &pix_rect.width, &pix_rect.height); gtk_cell_renderer_get_padding (cell, &xpad, &ypad); pix_rect.x += cell_area->x; pix_rect.y += cell_area->y; pix_rect.width -= xpad * 2; pix_rect.height -= ypad * 2; if (gdk_rectangle_intersect (cell_area, &pix_rect, &draw_rect)) { gdk_cairo_set_source_pixbuf (cr, pixbuf, draw_rect.x, draw_rect.y); cairo_rectangle (cr, draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height); cairo_fill (cr); } }