moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 519 insertions, 0 deletions

diff --git a/libcaja-private/caja-cell-renderer-pixbuf-emblem.c b/libcaja-private/caja-cell-renderer-pixbuf-emblem.c
new file mode 100644
index 00000000..150e9eb2
--- /dev/null
+++ b/libcaja-private/caja-cell-renderer-pixbuf-emblem.c
@@ -0,0 +1,519 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
+
+   caja-cell-renderer-pixbuf-emblem.c: cell renderer which can render
+   an emblem on top of a pixbuf (for use in FMListView and FMTreeView)
+
+   Copyright (C) 2003 Juerg Billeter
+
+   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.
+
+   This is based on GtkCellRendererPixbuf written by
+   Jonathan Blandford <[email protected]>
+
+   Author: Juerg Billeter <[email protected]>
+*/
+
+#include "caja-cell-renderer-pixbuf-emblem.h"
+
+static void caja_cell_renderer_pixbuf_emblem_get_property (GObject *object,
+        guint		param_id,
+        GValue		*value,
+        GParamSpec	*pspec);
+static void caja_cell_renderer_pixbuf_emblem_set_property (GObject *object,
+        guint		param_id,
+        const GValue	*value,
+        GParamSpec	*pspec);
+static void caja_cell_renderer_pixbuf_emblem_init       (CajaCellRendererPixbufEmblem *cellpixbuf);
+static void caja_cell_renderer_pixbuf_emblem_class_init  (CajaCellRendererPixbufEmblemClass *klass);
+static void caja_cell_renderer_pixbuf_emblem_finalize (GObject *object);
+static void caja_cell_renderer_pixbuf_emblem_create_stock_pixbuf (CajaCellRendererPixbufEmblem *cellpixbuf,
+        GtkWidget             *widget);
+static void caja_cell_renderer_pixbuf_emblem_get_size   (GtkCellRenderer            *cell,
+        GtkWidget                  *widget,
+        GdkRectangle               *rectangle,
+        gint                       *x_offset,
+        gint                       *y_offset,
+        gint                       *width,
+        gint                       *height);
+static void     caja_cell_renderer_pixbuf_emblem_render     (GtkCellRenderer            *cell,
+        GdkWindow                  *window,
+        GtkWidget                  *widget,
+        GdkRectangle               *background_area,
+        GdkRectangle               *cell_area,
+        GdkRectangle               *expose_area,
+        GtkCellRendererState                       flags);
+
+enum
+{
+    PROP_ZERO,
+    PROP_PIXBUF,
+    PROP_PIXBUF_EXPANDER_OPEN,
+    PROP_PIXBUF_EXPANDER_CLOSED,
+    PROP_STOCK_ID,
+    PROP_STOCK_SIZE,
+    PROP_STOCK_DETAIL,
+    PROP_PIXBUF_EMBLEM
+};
+
+#define CELLINFO_KEY "caja-cell-renderer-pixbuf-emblem-info"
+
+typedef struct _CajaCellRendererPixbufEmblemInfo CajaCellRendererPixbufEmblemInfo;
+struct _CajaCellRendererPixbufEmblemInfo
+{
+    gchar *stock_id;
+    GtkIconSize stock_size;
+    gchar *stock_detail;
+};
+
+G_DEFINE_TYPE (CajaCellRendererPixbufEmblem, caja_cell_renderer_pixbuf_emblem, GTK_TYPE_CELL_RENDERER);
+
+static void
+caja_cell_renderer_pixbuf_emblem_init (CajaCellRendererPixbufEmblem *cellpixbuf)
+{
+    CajaCellRendererPixbufEmblemInfo *cellinfo;
+
+    cellinfo = g_new0 (CajaCellRendererPixbufEmblemInfo, 1);
+    cellinfo->stock_size = GTK_ICON_SIZE_MENU;
+    g_object_set_data (G_OBJECT (cellpixbuf), CELLINFO_KEY, cellinfo);
+}
+
+static void
+caja_cell_renderer_pixbuf_emblem_class_init (CajaCellRendererPixbufEmblemClass *klass)
+{
+    GObjectClass *object_class = G_OBJECT_CLASS (klass);
+    GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
+
+    object_class->finalize = caja_cell_renderer_pixbuf_emblem_finalize;
+
+    object_class->get_property = caja_cell_renderer_pixbuf_emblem_get_property;
+    object_class->set_property = caja_cell_renderer_pixbuf_emblem_set_property;
+
+    cell_class->get_size = caja_cell_renderer_pixbuf_emblem_get_size;
+    cell_class->render = caja_cell_renderer_pixbuf_emblem_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_READABLE |
+                                             G_PARAM_WRITABLE));
+
+    g_object_class_install_property (object_class,
+                                     PROP_PIXBUF_EXPANDER_OPEN,
+                                     g_param_spec_object ("pixbuf_expander_open",
+                                             "Pixbuf Expander Open",
+                                             "Pixbuf for open expander",
+                                             GDK_TYPE_PIXBUF,
+                                             G_PARAM_READABLE |
+                                             G_PARAM_WRITABLE));
+
+    g_object_class_install_property (object_class,
+                                     PROP_PIXBUF_EXPANDER_CLOSED,
+                                     g_param_spec_object ("pixbuf_expander_closed",
+                                             "Pixbuf Expander Closed",
+                                             "Pixbuf for closed expander",
+                                             GDK_TYPE_PIXBUF,
+                                             G_PARAM_READABLE |
+                                             G_PARAM_WRITABLE));
+
+    g_object_class_install_property (object_class,
+                                     PROP_STOCK_ID,
+                                     g_param_spec_string ("stock_id",
+                                             "Stock ID",
+                                             "The stock ID of the stock icon to render",
+                                             NULL,
+                                             G_PARAM_READWRITE));
+
+    g_object_class_install_property (object_class,
+                                     PROP_STOCK_SIZE,
+                                     g_param_spec_enum ("stock_size",
+                                             "Size",
+                                             "The size of the rendered icon",
+                                             GTK_TYPE_ICON_SIZE,
+                                             GTK_ICON_SIZE_MENU,
+                                             G_PARAM_READWRITE));
+
+    g_object_class_install_property (object_class,
+                                     PROP_STOCK_DETAIL,
+                                     g_param_spec_string ("stock_detail",
+                                             "Detail",
+                                             "Render detail to pass to the theme engine",
+                                             NULL,
+                                             G_PARAM_READWRITE));
+
+    g_object_class_install_property (object_class,
+                                     PROP_PIXBUF_EMBLEM,
+                                     g_param_spec_object ("pixbuf_emblem",
+                                             "Pixbuf Emblem Object",
+                                             "The emblem to overlay",
+                                             GDK_TYPE_PIXBUF,
+                                             G_PARAM_READABLE |
+                                             G_PARAM_WRITABLE));
+}
+
+static void
+caja_cell_renderer_pixbuf_emblem_finalize (GObject *object)
+{
+    CajaCellRendererPixbufEmblem *cellpixbuf = CAJA_CELL_RENDERER_PIXBUF_EMBLEM (object);
+    CajaCellRendererPixbufEmblemInfo *cellinfo = g_object_get_data (object, CELLINFO_KEY);
+
+    if (cellpixbuf->pixbuf && cellinfo->stock_id)
+    {
+        g_object_unref (cellpixbuf->pixbuf);
+    }
+
+    if (cellinfo->stock_id)
+    {
+        g_free (cellinfo->stock_id);
+    }
+
+    if (cellinfo->stock_detail)
+    {
+        g_free (cellinfo->stock_detail);
+    }
+
+    g_free (cellinfo);
+    g_object_set_data (object, CELLINFO_KEY, NULL);
+
+    (* G_OBJECT_CLASS (caja_cell_renderer_pixbuf_emblem_parent_class)->finalize) (object);
+}
+
+static void
+caja_cell_renderer_pixbuf_emblem_get_property (GObject        *object,
+        guint           param_id,
+        GValue         *value,
+        GParamSpec     *pspec)
+{
+    CajaCellRendererPixbufEmblem *cellpixbuf = CAJA_CELL_RENDERER_PIXBUF_EMBLEM (object);
+    CajaCellRendererPixbufEmblemInfo *cellinfo = g_object_get_data (object, CELLINFO_KEY);
+
+    switch (param_id)
+    {
+    case PROP_PIXBUF:
+        g_value_set_object (value,
+                            cellpixbuf->pixbuf ? G_OBJECT (cellpixbuf->pixbuf) : NULL);
+        break;
+    case PROP_PIXBUF_EXPANDER_OPEN:
+        g_value_set_object (value,
+                            cellpixbuf->pixbuf_expander_open ? G_OBJECT (cellpixbuf->pixbuf_expander_open) : NULL);
+        break;
+    case PROP_PIXBUF_EXPANDER_CLOSED:
+        g_value_set_object (value,
+                            cellpixbuf->pixbuf_expander_closed ? G_OBJECT (cellpixbuf->pixbuf_expander_closed) : NULL);
+        break;
+    case PROP_STOCK_ID:
+        g_value_set_string (value, cellinfo->stock_id);
+        break;
+    case PROP_STOCK_SIZE:
+        g_value_set_enum (value, cellinfo->stock_size);
+        break;
+    case PROP_STOCK_DETAIL:
+        g_value_set_string (value, cellinfo->stock_detail);
+        break;
+    case PROP_PIXBUF_EMBLEM:
+        g_value_set_object (value,
+                            cellpixbuf->pixbuf_emblem ? G_OBJECT (cellpixbuf->pixbuf_emblem) : NULL);
+        break;
+
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+        break;
+    }
+}
+
+static void
+caja_cell_renderer_pixbuf_emblem_set_property (GObject      *object,
+        guint         param_id,
+        const GValue *value,
+        GParamSpec   *pspec)
+{
+    GdkPixbuf *pixbuf;
+    CajaCellRendererPixbufEmblem *cellpixbuf = CAJA_CELL_RENDERER_PIXBUF_EMBLEM (object);
+    CajaCellRendererPixbufEmblemInfo *cellinfo = g_object_get_data (object, CELLINFO_KEY);
+
+    switch (param_id)
+    {
+    case PROP_PIXBUF:
+        pixbuf = (GdkPixbuf*) g_value_get_object (value);
+        if (pixbuf)
+        {
+            g_object_ref (pixbuf);
+        }
+        if (cellpixbuf->pixbuf)
+        {
+            g_object_unref (cellpixbuf->pixbuf);
+        }
+        cellpixbuf->pixbuf = pixbuf;
+        break;
+    case PROP_PIXBUF_EXPANDER_OPEN:
+        pixbuf = (GdkPixbuf*) g_value_get_object (value);
+        if (pixbuf)
+        {
+            g_object_ref (pixbuf);
+        }
+        if (cellpixbuf->pixbuf_expander_open)
+        {
+            g_object_unref (cellpixbuf->pixbuf_expander_open);
+        }
+        cellpixbuf->pixbuf_expander_open = pixbuf;
+        break;
+    case PROP_PIXBUF_EXPANDER_CLOSED:
+        pixbuf = (GdkPixbuf*) g_value_get_object (value);
+        if (pixbuf)
+        {
+            g_object_ref (pixbuf);
+        }
+        if (cellpixbuf->pixbuf_expander_closed)
+        {
+            g_object_unref (cellpixbuf->pixbuf_expander_closed);
+        }
+        cellpixbuf->pixbuf_expander_closed = pixbuf;
+        break;
+    case PROP_STOCK_ID:
+        if (cellinfo->stock_id)
+        {
+            g_free (cellinfo->stock_id);
+        }
+        cellinfo->stock_id = g_strdup (g_value_get_string (value));
+        break;
+    case PROP_STOCK_SIZE:
+        cellinfo->stock_size = g_value_get_enum (value);
+        break;
+    case PROP_STOCK_DETAIL:
+        if (cellinfo->stock_detail)
+        {
+            g_free (cellinfo->stock_detail);
+        }
+        cellinfo->stock_detail = g_strdup (g_value_get_string (value));
+        break;
+    case PROP_PIXBUF_EMBLEM:
+        pixbuf = (GdkPixbuf *) g_value_get_object (value);
+        if (pixbuf)
+        {
+            g_object_ref (pixbuf);
+        }
+        if (cellpixbuf->pixbuf_emblem)
+        {
+            g_object_unref (cellpixbuf->pixbuf_emblem);
+        }
+        cellpixbuf->pixbuf_emblem = pixbuf;
+        break;
+
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+        break;
+    }
+}
+
+GtkCellRenderer *
+caja_cell_renderer_pixbuf_emblem_new (void)
+{
+    return g_object_new (CAJA_TYPE_CELL_RENDERER_PIXBUF_EMBLEM, NULL);
+}
+
+static void
+caja_cell_renderer_pixbuf_emblem_create_stock_pixbuf (CajaCellRendererPixbufEmblem *cellpixbuf,
+        GtkWidget             *widget)
+{
+    CajaCellRendererPixbufEmblemInfo *cellinfo = g_object_get_data (G_OBJECT (cellpixbuf), CELLINFO_KEY);
+
+    if (cellpixbuf->pixbuf)
+    {
+        g_object_unref (cellpixbuf->pixbuf);
+    }
+
+    cellpixbuf->pixbuf = gtk_widget_render_icon (widget,
+                         cellinfo->stock_id,
+                         cellinfo->stock_size,
+                         cellinfo->stock_detail);
+}
+
+static void
+caja_cell_renderer_pixbuf_emblem_get_size (GtkCellRenderer *cell,
+        GtkWidget       *widget,
+        GdkRectangle    *cell_area,
+        gint            *x_offset,
+        gint            *y_offset,
+        gint            *width,
+        gint            *height)
+{
+    CajaCellRendererPixbufEmblem *cellpixbuf = (CajaCellRendererPixbufEmblem *) cell;
+    CajaCellRendererPixbufEmblemInfo *cellinfo = g_object_get_data (G_OBJECT (cell), CELLINFO_KEY);
+    gint pixbuf_width  = 0;
+    gint pixbuf_height = 0;
+    gint calc_width;
+    gint calc_height;
+    gint xpad, ypad;
+
+    if (!cellpixbuf->pixbuf && cellinfo->stock_id)
+        caja_cell_renderer_pixbuf_emblem_create_stock_pixbuf (cellpixbuf, widget);
+
+    if (cellpixbuf->pixbuf)
+    {
+        pixbuf_width  = gdk_pixbuf_get_width (cellpixbuf->pixbuf);
+        pixbuf_height = gdk_pixbuf_get_height (cellpixbuf->pixbuf);
+    }
+    if (cellpixbuf->pixbuf_expander_open)
+    {
+        pixbuf_width  = MAX (pixbuf_width, gdk_pixbuf_get_width (cellpixbuf->pixbuf_expander_open));
+        pixbuf_height = MAX (pixbuf_height, gdk_pixbuf_get_height (cellpixbuf->pixbuf_expander_open));
+    }
+    if (cellpixbuf->pixbuf_expander_closed)
+    {
+        pixbuf_width  = MAX (pixbuf_width, gdk_pixbuf_get_width (cellpixbuf->pixbuf_expander_closed));
+        pixbuf_height = MAX (pixbuf_height, gdk_pixbuf_get_height (cellpixbuf->pixbuf_expander_closed));
+    }
+
+    gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
+    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)
+    {
+        gfloat xalign, yalign;
+
+        gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
+        if (x_offset)
+        {
+            *x_offset = (((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) ?
+                          1.0 - xalign : 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 (width)
+        *width = calc_width;
+
+    if (height)
+        *height = calc_height;
+}
+
+static void
+caja_cell_renderer_pixbuf_emblem_render (GtkCellRenderer      *cell,
+        GdkWindow            *window,
+        GtkWidget            *widget,
+        GdkRectangle         *background_area,
+        GdkRectangle         *cell_area,
+        GdkRectangle         *expose_area,
+        GtkCellRendererState  flags)
+
+{
+    CajaCellRendererPixbufEmblem *cellpixbuf = (CajaCellRendererPixbufEmblem *) cell;
+    CajaCellRendererPixbufEmblemInfo *cellinfo = g_object_get_data (G_OBJECT (cell), CELLINFO_KEY);
+    GdkPixbuf *pixbuf;
+    GdkRectangle pix_rect;
+    GdkRectangle pix_emblem_rect;
+    GdkRectangle draw_rect;
+    gboolean stock_pixbuf = FALSE;
+    gint xpad, ypad;
+    gboolean is_expander, is_expanded;
+
+    pixbuf = cellpixbuf->pixbuf;
+    g_object_get (cell,
+                  "is-expander", &is_expander,
+                  "is-expanded", &is_expanded,
+                  NULL);
+    if (is_expander)
+    {
+        if (is_expanded &&
+                cellpixbuf->pixbuf_expander_open != NULL)
+        {
+            pixbuf = cellpixbuf->pixbuf_expander_open;
+        }
+        else if (!is_expanded &&
+                 cellpixbuf->pixbuf_expander_closed != NULL)
+        {
+            pixbuf = cellpixbuf->pixbuf_expander_closed;
+        }
+    }
+
+    if (!pixbuf && !cellinfo->stock_id)
+    {
+        return;
+    }
+    else if (!pixbuf && cellinfo->stock_id)
+    {
+        stock_pixbuf = TRUE;
+    }
+
+    caja_cell_renderer_pixbuf_emblem_get_size (cell, widget, cell_area,
+            &pix_rect.x,
+            &pix_rect.y,
+            &pix_rect.width,
+            &pix_rect.height);
+
+    if (stock_pixbuf)
+        pixbuf = cellpixbuf->pixbuf;
+
+    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_rectangle_intersect (expose_area, &draw_rect, &draw_rect))
+    {
+        gdk_draw_pixbuf (window,
+                         gtk_widget_get_style (widget)->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 (cellpixbuf->pixbuf_emblem)
+    {
+        pix_emblem_rect.width = gdk_pixbuf_get_width (cellpixbuf->pixbuf_emblem);
+        pix_emblem_rect.height = gdk_pixbuf_get_height (cellpixbuf->pixbuf_emblem);
+        pix_emblem_rect.x = pix_rect.x;
+        pix_emblem_rect.y = pix_rect.y + pix_rect.height - pix_emblem_rect.height;
+        if (gdk_rectangle_intersect (cell_area, &pix_emblem_rect, &draw_rect) &&
+                gdk_rectangle_intersect (expose_area, &draw_rect, &draw_rect))
+        {
+            gdk_draw_pixbuf (window,
+                             gtk_widget_get_style (widget)->black_gc,
+                             cellpixbuf->pixbuf_emblem,
+                             /* pixbuf 0, 0 is at pix_emblem_rect.x, pix_emblem_rect.y */
+                             draw_rect.x - pix_emblem_rect.x,
+                             draw_rect.y - pix_emblem_rect.y,
+                             draw_rect.x,
+                             draw_rect.y,
+                             draw_rect.width,
+                             draw_rect.height,
+                             GDK_RGB_DITHER_NORMAL,
+                             0, 0);
+        }
+    }
+}