+++ /dev/null
-/* cellrenderericon.c, based on:
- *
- * gtkcellrendererpixbuf.c
- * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#include <stdlib.h>
-#include "cellrenderericon.h"
-#include "intl.h"
-
-
-#define FIXED_ICON_SIZE_MAX 512
-
-static void gqv_cell_renderer_icon_get_property(GObject *object,
- guint param_id,
- GValue *value,
- GParamSpec *pspec);
-static void gqv_cell_renderer_icon_set_property(GObject *object,
- guint param_id,
- const GValue *value,
- GParamSpec *pspec);
-static void gqv_cell_renderer_icon_init(GQvCellRendererIcon *celltext);
-static void gqv_cell_renderer_icon_class_init(GQvCellRendererIconClass *class);
-static void gqv_cell_renderer_icon_finalize(GObject *object);
-static void gqv_cell_renderer_icon_get_size(GtkCellRenderer *cell,
- GtkWidget *widget,
- GdkRectangle *rectangle,
- gint *x_offset,
- gint *y_offset,
- gint *width,
- gint *height);
-static void gqv_cell_renderer_icon_render(GtkCellRenderer *cell,
- GdkWindow *window,
- GtkWidget *widget,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GdkRectangle *expose_area,
- GtkCellRendererState flags);
-
-
-enum {
- PROP_ZERO,
- PROP_PIXBUF,
- PROP_TEXT,
- PROP_BACKGROUND_GDK,
- PROP_FOREGROUND_GDK,
- PROP_FOCUSED,
- PROP_FIXED_WIDTH,
- PROP_FIXED_HEIGHT,
-
- PROP_BACKGROUND_SET,
- PROP_FOREGROUND_SET,
- PROP_SHOW_TEXT
-};
-
-static gpointer parent_class;
-
-GType
-gqv_cell_renderer_icon_get_type(void)
-{
- static GType cell_icon_type = 0;
-
- if (!cell_icon_type)
- {
- static const GTypeInfo cell_icon_info =
- {
- sizeof(GQvCellRendererIconClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) gqv_cell_renderer_icon_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof(GQvCellRendererIcon),
- 0, /* n_preallocs */
- (GInstanceInitFunc) gqv_cell_renderer_icon_init,
- };
-
- cell_icon_type = g_type_register_static(GTK_TYPE_CELL_RENDERER,
- "GQvCellRendererIcon",
- &cell_icon_info, 0);
- }
-
- return cell_icon_type;
-}
-
-static void
-gqv_cell_renderer_icon_init(GQvCellRendererIcon *cellicon)
-{
- GTK_CELL_RENDERER(cellicon)->xpad = 2;
- GTK_CELL_RENDERER(cellicon)->ypad = 2;
-}
-
-static void
-gqv_cell_renderer_icon_class_init(GQvCellRendererIconClass *class)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (class);
- GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);
-
- parent_class = g_type_class_peek_parent (class);
-
- object_class->finalize = gqv_cell_renderer_icon_finalize;
-
- object_class->get_property = gqv_cell_renderer_icon_get_property;
- object_class->set_property = gqv_cell_renderer_icon_set_property;
-
- cell_class->get_size = gqv_cell_renderer_icon_get_size;
- cell_class->render = gqv_cell_renderer_icon_render;
-
- g_object_class_install_property(object_class,
- PROP_PIXBUF,
- g_param_spec_object("pixbuf",
- _("Pixbuf Object"),
- _("The pixbuf to render"),
- GDK_TYPE_PIXBUF,
- G_PARAM_READWRITE));
-
- g_object_class_install_property(object_class,
- PROP_TEXT,
- g_param_spec_string("text",
- _("Text"),
- _("Text to render"),
- NULL,
- G_PARAM_READWRITE));
-
- g_object_class_install_property(object_class,
- PROP_BACKGROUND_GDK,
- g_param_spec_boxed("background_gdk",
- _("Background color"),
- _("Background color as a GdkColor"),
- GDK_TYPE_COLOR,
- G_PARAM_READWRITE));
-
- g_object_class_install_property(object_class,
- PROP_FOREGROUND_GDK,
- g_param_spec_boxed("foreground_gdk",
- _("Foreground color"),
- _("Foreground color as a GdkColor"),
- GDK_TYPE_COLOR,
- G_PARAM_READWRITE));
-
- g_object_class_install_property(object_class,
- PROP_FOCUSED,
- g_param_spec_boolean("has_focus",
- _("Focus"),
- _("Draw focus indicator"),
- FALSE,
- G_PARAM_READWRITE));
-
- g_object_class_install_property(object_class,
- PROP_FIXED_WIDTH,
- g_param_spec_int("fixed_width",
- _("Fixed width"),
- _("Width of cell"),
- -1, FIXED_ICON_SIZE_MAX,
- -1,
- G_PARAM_READWRITE));
-
- g_object_class_install_property(object_class,
- PROP_FIXED_HEIGHT,
- g_param_spec_int("fixed_height",
- _("Fixed height"),
- _("Height of icon excluding text"),
- -1, FIXED_ICON_SIZE_MAX,
- -1,
- G_PARAM_READWRITE));
-
- g_object_class_install_property(object_class,
- PROP_BACKGROUND_SET,
- g_param_spec_boolean("background_set",
- _("Background set"),
- _("Whether this tag affects the background color"),
- FALSE,
- G_PARAM_READWRITE));
-
- g_object_class_install_property(object_class,
- PROP_FOREGROUND_SET,
- g_param_spec_boolean("foreground_set",
- _("Foreground set"),
- _("Whether this tag affects the foreground color"),
- FALSE,
- G_PARAM_READWRITE));
-
- g_object_class_install_property(object_class,
- PROP_SHOW_TEXT,
- g_param_spec_boolean("show_text",
- _("Show text"),
- _("Whether the text is displayed"),
- TRUE,
- G_PARAM_READWRITE));
-}
-
-static void
-gqv_cell_renderer_icon_finalize(GObject *object)
-{
- GQvCellRendererIcon *cellicon = GQV_CELL_RENDERER_ICON(object);
-
- if (cellicon->pixbuf) g_object_unref (cellicon->pixbuf);
-
- g_free(cellicon->text);
-
- (* G_OBJECT_CLASS (parent_class)->finalize)(object);
-}
-
-static void
-gqv_cell_renderer_icon_get_property(GObject *object,
- guint param_id,
- GValue *value,
- GParamSpec *pspec)
-{
- GQvCellRendererIcon *cellicon = GQV_CELL_RENDERER_ICON(object);
-
- switch (param_id)
- {
- case PROP_PIXBUF:
- g_value_set_object(value,
- cellicon->pixbuf ? G_OBJECT(cellicon->pixbuf) : NULL);
- break;
- case PROP_TEXT:
- g_value_set_string(value, cellicon->text);
- break;
- case PROP_BACKGROUND_GDK:
- {
- GdkColor color;
-
- color.red = cellicon->background.red;
- color.green = cellicon->background.green;
- color.blue = cellicon->background.blue;
-
- g_value_set_boxed(value, &color);
- }
- break;
- case PROP_FOREGROUND_GDK:
- {
- GdkColor color;
-
- color.red = cellicon->foreground.red;
- color.green = cellicon->foreground.green;
- color.blue = cellicon->foreground.blue;
-
- g_value_set_boxed(value, &color);
- }
- break;
- case PROP_FOCUSED:
- g_value_set_boolean(value, cellicon->focused);
- break;
- case PROP_FIXED_WIDTH:
- g_value_set_int(value, cellicon->fixed_width);
- break;
- case PROP_FIXED_HEIGHT:
- g_value_set_int(value, cellicon->fixed_height);
- break;
- case PROP_BACKGROUND_SET:
- g_value_set_boolean(value, cellicon->background_set);
- break;
- case PROP_FOREGROUND_SET:
- g_value_set_boolean(value, cellicon->foreground_set);
- break;
- case PROP_SHOW_TEXT:
- g_value_set_boolean(value, cellicon->show_text);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
- break;
- }
-}
-
-static void
-set_bg_color(GQvCellRendererIcon *cellicon,
- GdkColor *color)
-{
- if (color)
- {
- if (!cellicon->background_set)
- {
- cellicon->background_set = TRUE;
- g_object_notify(G_OBJECT(cellicon), "background_set");
- }
-
- cellicon->background.red = color->red;
- cellicon->background.green = color->green;
- cellicon->background.blue = color->blue;
- }
- else
- {
- if (cellicon->background_set)
- {
- cellicon->background_set = FALSE;
- g_object_notify(G_OBJECT(cellicon), "background_set");
- }
- }
-}
-
-static void set_fg_color(GQvCellRendererIcon *cellicon,
- GdkColor *color)
-{
- if (color)
- {
- if (!cellicon->foreground_set)
- {
- cellicon->foreground_set = TRUE;
- g_object_notify(G_OBJECT(cellicon), "foreground_set");
- }
-
- cellicon->foreground.red = color->red;
- cellicon->foreground.green = color->green;
- cellicon->foreground.blue = color->blue;
- }
- else
- {
- if (cellicon->foreground_set)
- {
- cellicon->foreground_set = FALSE;
- g_object_notify(G_OBJECT(cellicon), "foreground_set");
- }
- }
-}
-
-static void
-gqv_cell_renderer_icon_set_property(GObject *object,
- guint param_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GQvCellRendererIcon *cellicon = GQV_CELL_RENDERER_ICON (object);
-
- switch (param_id)
- {
- case PROP_PIXBUF:
- {
- GdkPixbuf *pixbuf;
-
- pixbuf = (GdkPixbuf*) g_value_get_object (value);
- if (pixbuf) g_object_ref (pixbuf);
- if (cellicon->pixbuf) g_object_unref (cellicon->pixbuf);
- cellicon->pixbuf = pixbuf;
- }
- break;
- case PROP_TEXT:
- {
- gchar *text;
-
- text = cellicon->text;
- cellicon->text = g_strdup(g_value_get_string(value));
- g_free(text);
-
- g_object_notify(object, "text");
- }
- break;
- case PROP_BACKGROUND_GDK:
- set_bg_color(cellicon, g_value_get_boxed(value));
- break;
- case PROP_FOREGROUND_GDK:
- set_fg_color(cellicon, g_value_get_boxed(value));
- break;
- case PROP_FOCUSED:
- cellicon->focused = g_value_get_boolean(value);
- break;
- case PROP_FIXED_WIDTH:
- cellicon->fixed_width = g_value_get_int(value);
- break;
- case PROP_FIXED_HEIGHT:
- cellicon->fixed_height = g_value_get_int(value);
- break;
- case PROP_BACKGROUND_SET:
- cellicon->background_set = g_value_get_boolean(value);
- break;
- case PROP_FOREGROUND_SET:
- cellicon->foreground_set = g_value_get_boolean(value);
- break;
- case PROP_SHOW_TEXT:
- cellicon->show_text = g_value_get_boolean(value);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
- break;
- }
-}
-
-static PangoLayout *
-gqv_cell_renderer_icon_get_layout(GQvCellRendererIcon *cellicon, GtkWidget *widget, gboolean will_render)
-{
- PangoLayout *layout;
- gint width;
-
- width = (cellicon->fixed_width > 0) ? cellicon->fixed_width * PANGO_SCALE : -1;
-
- layout = gtk_widget_create_pango_layout(widget, cellicon->text);
- pango_layout_set_width(layout, width);
- pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
- pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
-
- if (will_render)
- {
- PangoAttrList *attr_list;
-
- attr_list = pango_attr_list_new();
-
- if (cellicon->foreground_set)
- {
- PangoColor color;
- PangoAttribute *attr;
-
- color = cellicon->foreground;
-
- attr = pango_attr_foreground_new(color.red, color.green, color.blue);
-
- attr->start_index = 0;
- attr->end_index = G_MAXINT;
- pango_attr_list_insert(attr_list, attr);
- }
-
- pango_layout_set_attributes(layout, attr_list);
- pango_attr_list_unref(attr_list);
- }
-
- return layout;
-}
-
-/**
- * gqv_cell_renderer_icon_new:
- *
- * Creates a new #GQvCellRendererIcon. Adjust rendering
- * parameters using object properties. Object properties can be set
- * globally (with g_object_set()). Also, with #GtkTreeViewColumn, you
- * can bind a property to a value in a #GtkTreeModel. For example, you
- * can bind the "pixbuf" property on the cell renderer to a pixbuf value
- * in the model, thus rendering a different image in each row of the
- * #GtkTreeView.
- *
- * Return value: the new cell renderer
- **/
-GtkCellRenderer *
-gqv_cell_renderer_icon_new(void)
-{
- return g_object_new (GQV_TYPE_CELL_RENDERER_ICON, NULL);
-}
-
-static void
-gqv_cell_renderer_icon_get_size(GtkCellRenderer *cell,
- GtkWidget *widget,
- GdkRectangle *cell_area,
- gint *x_offset,
- gint *y_offset,
- gint *width,
- gint *height)
-{
- GQvCellRendererIcon *cellicon = (GQvCellRendererIcon *) cell;
- gint calc_width;
- gint calc_height;
-
- if (cellicon->fixed_width > 0)
- {
- calc_width = cellicon->fixed_width;
- }
- else
- {
- calc_width = (cellicon->pixbuf) ? gdk_pixbuf_get_width(cellicon->pixbuf) : 0;
- }
-
- if (cellicon->fixed_height > 0)
- {
- calc_height = cellicon->fixed_height;
- }
- else
- {
- calc_height = (cellicon->pixbuf) ? gdk_pixbuf_get_height(cellicon->pixbuf) : 0;
- }
-
- if (cellicon->show_text && cellicon->text)
- {
- PangoLayout *layout;
- PangoRectangle rect;
-
- layout = gqv_cell_renderer_icon_get_layout(cellicon, widget, FALSE);
- pango_layout_get_pixel_extents(layout, NULL, &rect);
- g_object_unref(layout);
-
- calc_width = MAX(calc_width, rect.width);
- calc_height += rect.height;
- }
-
- calc_width += (gint)cell->xpad * 2;
- calc_height += (gint)cell->ypad * 2;
-
- if (x_offset) *x_offset = 0;
- if (y_offset) *y_offset = 0;
-
- if (cell_area && calc_width > 0 && calc_height > 0)
- {
- if (x_offset)
- {
- *x_offset = (cell->xalign * (cell_area->width - calc_width - 2 * cell->xpad));
- *x_offset = MAX (*x_offset, 0) + cell->xpad;
- }
- if (y_offset)
- {
- *y_offset = (cell->yalign * (cell_area->height - calc_height - 2 * cell->ypad));
- *y_offset = MAX (*y_offset, 0) + cell->ypad;
- }
- }
-
- if (width) *width = calc_width;
- if (height) *height = calc_height;
-}
-
-static void
-gqv_cell_renderer_icon_render(GtkCellRenderer *cell,
- GdkWindow *window,
- GtkWidget *widget,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GdkRectangle *expose_area,
- GtkCellRendererState flags)
-
-{
- GQvCellRendererIcon *cellicon = (GQvCellRendererIcon *) cell;
- GdkPixbuf *pixbuf;
- const gchar *text;
- GdkRectangle cell_rect;
- GtkStateType state;
-
- pixbuf = cellicon->pixbuf;
- text = cellicon->text;
-
- if (!pixbuf && !text) return;
-
- gqv_cell_renderer_icon_get_size(cell, widget, cell_area,
- &cell_rect.x, &cell_rect.y,
- &cell_rect.width, &cell_rect.height);
-
- cell_rect.x += cell->xpad;
- cell_rect.y += cell->ypad;
- cell_rect.width -= cell->xpad * 2;
- cell_rect.height -= cell->ypad * 2;
-
- if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED)
- {
- if (GTK_WIDGET_HAS_FOCUS(widget))
- state = GTK_STATE_SELECTED;
- else
- state = GTK_STATE_ACTIVE;
- }
- else
- {
- if (GTK_WIDGET_STATE(widget) == GTK_STATE_INSENSITIVE)
- state = GTK_STATE_INSENSITIVE;
- else
- state = GTK_STATE_NORMAL;
- }
-
- if (pixbuf)
- {
- GdkRectangle pix_rect;
- GdkRectangle draw_rect;
-
- pix_rect.width = gdk_pixbuf_get_width(pixbuf);
- pix_rect.height = gdk_pixbuf_get_height(pixbuf);
-
- pix_rect.x = cell_area->x + (cell_area->width - pix_rect.width) / 2;
-
- if (cellicon->fixed_height > 0)
- {
- pix_rect.y = cell_area->y + cell->ypad + (cellicon->fixed_height - pix_rect.height) / 2;
- }
- else
- {
- pix_rect.y = cell_area->y + cell_rect.y;
- }
-
- if (gdk_rectangle_intersect(cell_area, &pix_rect, &draw_rect) &&
- gdk_rectangle_intersect(expose_area, &draw_rect, &draw_rect))
- {
- gdk_draw_pixbuf(window,
- widget->style->black_gc,
- pixbuf,
- /* pixbuf 0, 0 is at pix_rect.x, pix_rect.y */
- draw_rect.x - pix_rect.x,
- draw_rect.y - pix_rect.y,
- draw_rect.x,
- draw_rect.y,
- draw_rect.width,
- draw_rect.height,
- GDK_RGB_DITHER_NORMAL,
- 0, 0);
- }
- }
-
- if (cellicon->show_text && text)
- {
- PangoLayout *layout;
- PangoRectangle text_rect;
- GdkRectangle pix_rect;
- GdkRectangle draw_rect;
-
- layout = gqv_cell_renderer_icon_get_layout(cellicon, widget, TRUE);
- pango_layout_get_pixel_extents(layout, NULL, &text_rect);
-
- pix_rect.width = text_rect.width;
- pix_rect.height = text_rect.height;
- pix_rect.x = cell_area->x + cell->xpad + (cell_rect.width - text_rect.width + 1) / 2;
- pix_rect.y = cell_area->y + cell->ypad + (cell_rect.height - text_rect.height);
-
- if (gdk_rectangle_intersect(cell_area, &pix_rect, &draw_rect) &&
- gdk_rectangle_intersect(expose_area, &draw_rect, &draw_rect))
- {
- gtk_paint_layout(widget->style, window,
- state, TRUE,
- cell_area, widget,
- "cellrenderertext",
- pix_rect.x - text_rect.x, pix_rect.y,
- layout);
- }
-
- g_object_unref(layout);
- }
-
- if (cellicon->focused &&
- GTK_WIDGET_HAS_FOCUS(widget))
- {
- gtk_paint_focus(widget->style, window,
- state,
- cell_area, widget,
- "cellrendererfocus",
- cell_area->x, cell_area->y,
- cell_area->width, cell_area->height);
- }
-}
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