Commit fe7a89ae authored by Aakash Goenka's avatar Aakash Goenka Committed by Carlos Garcia Campos

libgd: Added libgd to cut-n-paste

A separate commit where libgd is added to cut-n-paste. libgd is used for the bookshelf
view of recent documents.
parent 34c6089e
......@@ -717,6 +717,7 @@ backend/xps/Makefile
cut-n-paste/Makefile
cut-n-paste/gimpcellrenderertoggle/Makefile
cut-n-paste/synctex/Makefile
cut-n-paste/libgd/Makefile
data/evince.desktop.in
data/evince-previewer.desktop.in
data/Makefile
......
SUBDIRS = gimpcellrenderertoggle synctex
SUBDIRS = gimpcellrenderertoggle synctex libgd
-include $(top_srcdir)/git.mk
noinst_LTLIBRARIES = libgd.la
libgd_la_SOURCES = \
gd-icon-utils.c \
gd-icon-utils.h \
gd-main-icon-view.c \
gd-main-icon-view.h \
gd-main-view-generic.c \
gd-main-view-generic.h \
gd-toggle-pixbuf-renderer.c \
gd-toggle-pixbuf-renderer.h \
gd-two-lines-renderer.c \
gd-two-lines-renderer.h
libgd_la_CFLAGS = \
$(SHELL_CORE_CFLAGS) \
$(WARNING_CFLAGS) \
$(DISABLE_DEPRECATED)
libgd_la_LIBADD = $(BACKEND_LIBS)
-include $(top_srcdir)/git.mk
AM_CPPFLAGS = $(BACKEND_CFLAGS)
/*
* Copyright (c) 2011, 2012 Red Hat, Inc.
*
* Gnome Documents 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.
*
* Gnome Documents 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 Gnome Documents; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Cosimo Cecchi <cosimoc@redhat.com>
*
*/
#include "gd-icon-utils.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <string.h>
#include <math.h>
#define _BG_MIN_SIZE 20
#define _EMBLEM_MIN_SIZE 8
/**
* gd_create_symbolic_icon:
* @name:
*
* Returns: (transfer full):
*/
GIcon *
gd_create_symbolic_icon (const gchar *name,
gint base_size)
{
gchar *symbolic_name;
GIcon *icon, *retval = NULL;
cairo_surface_t *surface;
cairo_t *cr;
GtkStyleContext *style;
GtkWidgetPath *path;
GdkPixbuf *pixbuf;
GtkIconTheme *theme;
GtkIconInfo *info;
gint bg_size;
gint emblem_size;
gint total_size;
total_size = base_size / 2;
bg_size = MAX (total_size / 2, _BG_MIN_SIZE);
emblem_size = MAX (bg_size - 8, _EMBLEM_MIN_SIZE);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, total_size, total_size);
cr = cairo_create (surface);
style = gtk_style_context_new ();
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_ICON_VIEW);
gtk_style_context_set_path (style, path);
gtk_widget_path_unref (path);
gtk_style_context_add_class (style, "documents-icon-bg");
gtk_render_background (style, cr, (total_size - bg_size) / 2, (total_size - bg_size) / 2, bg_size, bg_size);
symbolic_name = g_strconcat (name, "-symbolic", NULL);
icon = g_themed_icon_new_with_default_fallbacks (symbolic_name);
g_free (symbolic_name);
theme = gtk_icon_theme_get_default();
info = gtk_icon_theme_lookup_by_gicon (theme, icon, emblem_size,
GTK_ICON_LOOKUP_FORCE_SIZE);
g_object_unref (icon);
if (info == NULL)
goto out;
pixbuf = gtk_icon_info_load_symbolic_for_context (info, style, NULL, NULL);
g_object_unref (info);
if (pixbuf == NULL)
goto out;
gtk_render_icon (style, cr, pixbuf, (total_size - emblem_size) / 2, (total_size - emblem_size) / 2);
g_object_unref (pixbuf);
retval = G_ICON (gdk_pixbuf_get_from_surface (surface, 0, 0, total_size, total_size));
out:
g_object_unref (style);
cairo_surface_destroy (surface);
cairo_destroy (cr);
return retval;
}
/**
* gd_embed_image_in_frame:
* @source_image:
* @frame_image_url:
* @slice_width:
* @border_width:
*
* Returns: (transfer full):
*/
GdkPixbuf *
gd_embed_image_in_frame (GdkPixbuf *source_image,
const gchar *frame_image_url,
GtkBorder *slice_width,
GtkBorder *border_width)
{
cairo_surface_t *surface;
cairo_t *cr;
int source_width, source_height;
int dest_width, dest_height;
gchar *css_str;
GtkCssProvider *provider;
GtkStyleContext *context;
GError *error = NULL;
GdkPixbuf *retval;
GtkWidgetPath *path;
source_width = gdk_pixbuf_get_width (source_image);
source_height = gdk_pixbuf_get_height (source_image);
dest_width = source_width + border_width->left + border_width->right;
dest_height = source_height + border_width->top + border_width->bottom;
css_str = g_strdup_printf (".embedded-image { border-image: url(\"%s\") %d %d %d %d / %dpx %dpx %dpx %dpx }",
frame_image_url,
slice_width->top, slice_width->right, slice_width->bottom, slice_width->left,
border_width->top, border_width->right, border_width->bottom, border_width->left);
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_data (provider, css_str, -1, &error);
if (error != NULL)
{
g_warning ("Unable to create the thumbnail frame image: %s", error->message);
g_error_free (error);
g_free (css_str);
return g_object_ref (source_image);
}
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, dest_width, dest_height);
cr = cairo_create (surface);
context = gtk_style_context_new ();
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_ICON_VIEW);
gtk_style_context_set_path (context, path);
gtk_style_context_add_provider (context, GTK_STYLE_PROVIDER (provider), 600);
gtk_render_icon (context, cr,
source_image,
border_width->left, border_width->top);
gtk_style_context_save (context);
gtk_style_context_add_class (context, "embedded-image");
gtk_render_frame (context, cr,
0, 0,
dest_width, dest_height);
gtk_style_context_restore (context);
retval = gdk_pixbuf_get_from_surface (surface,
0, 0, dest_width, dest_height);
cairo_surface_destroy (surface);
cairo_destroy (cr);
gtk_widget_path_unref (path);
g_object_unref (provider);
g_object_unref (context);
g_free (css_str);
return retval;
}
/*
* Copyright (c) 2011, 2012 Red Hat, Inc.
*
* Gnome Documents 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.
*
* Gnome Documents 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 Gnome Documents; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Cosimo Cecchi <cosimoc@redhat.com>
*
*/
#ifndef __GD_CREATE_SYMBOLIC_ICON_H__
#define __GD_CREATE_SYMBOLIC_ICON_H__
#include <gtk/gtk.h>
GIcon *gd_create_symbolic_icon (const gchar *name,
gint base_size);
GdkPixbuf *gd_embed_image_in_frame (GdkPixbuf *source_image,
const gchar *frame_image_url,
GtkBorder *slice_width,
GtkBorder *border_width);
#endif /* __GD_CREATE_SYMBOLIC_ICON_H__ */
/*
* Copyright (c) 2011 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Cosimo Cecchi <cosimoc@redhat.com>
*
*/
#include "gd-main-icon-view.h"
#include "gd-main-view-generic.h"
#include "gd-toggle-pixbuf-renderer.h"
#include "gd-two-lines-renderer.h"
#include <math.h>
#include <glib/gi18n.h>
#define VIEW_ITEM_WIDTH 140
#define VIEW_ITEM_WRAP_WIDTH 128
#define VIEW_COLUMN_SPACING 20
#define VIEW_MARGIN 16
struct _GdMainIconViewPrivate {
GtkCellRenderer *pixbuf_cell;
gboolean selection_mode;
};
static void gd_main_view_generic_iface_init (GdMainViewGenericIface *iface);
G_DEFINE_TYPE_WITH_CODE (GdMainIconView, gd_main_icon_view, GTK_TYPE_ICON_VIEW,
G_IMPLEMENT_INTERFACE (GD_TYPE_MAIN_VIEW_GENERIC,
gd_main_view_generic_iface_init))
static GtkTreePath*
get_source_row (GdkDragContext *context)
{
GtkTreeRowReference *ref;
ref = g_object_get_data (G_OBJECT (context), "gtk-icon-view-source-row");
if (ref)
return gtk_tree_row_reference_get_path (ref);
else
return NULL;
}
static void
gd_main_icon_view_drag_data_get (GtkWidget *widget,
GdkDragContext *drag_context,
GtkSelectionData *data,
guint info,
guint time)
{
GdMainIconView *self = GD_MAIN_ICON_VIEW (widget);
GtkTreeModel *model = gtk_icon_view_get_model (GTK_ICON_VIEW (self));
if (info != 0)
return;
_gd_main_view_generic_dnd_common (model, self->priv->selection_mode,
get_source_row (drag_context), data);
GTK_WIDGET_CLASS (gd_main_icon_view_parent_class)->drag_data_get (widget, drag_context,
data, info, time);
}
static void
gd_main_icon_view_constructed (GObject *obj)
{
GdMainIconView *self = GD_MAIN_ICON_VIEW (obj);
GtkCellRenderer *cell;
const GtkTargetEntry targets[] = {
{ (char *) "text/uri-list", GTK_TARGET_OTHER_APP, 0 }
};
G_OBJECT_CLASS (gd_main_icon_view_parent_class)->constructed (obj);
gtk_widget_set_hexpand (GTK_WIDGET (self), TRUE);
gtk_widget_set_vexpand (GTK_WIDGET (self), TRUE);
gtk_icon_view_set_selection_mode (GTK_ICON_VIEW (self), GTK_SELECTION_NONE);
g_object_set (self,
"column-spacing", VIEW_COLUMN_SPACING,
"margin", VIEW_MARGIN,
NULL);
self->priv->pixbuf_cell = cell = gd_toggle_pixbuf_renderer_new ();
g_object_set (cell,
"xalign", 0.5,
"yalign", 0.5,
NULL);
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (self), cell, FALSE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (self), cell,
"active", GD_MAIN_COLUMN_SELECTED);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (self), cell,
"pixbuf", GD_MAIN_COLUMN_ICON);
cell = gd_two_lines_renderer_new ();
g_object_set (cell,
"xalign", 0.5,
"alignment", PANGO_ALIGN_CENTER,
"wrap-mode", PANGO_WRAP_WORD_CHAR,
"wrap-width", VIEW_ITEM_WRAP_WIDTH,
"text-lines", 3,
NULL);
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (self), cell, FALSE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (self), cell,
"text", GD_MAIN_COLUMN_PRIMARY_TEXT);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (self), cell,
"line-two", GD_MAIN_COLUMN_SECONDARY_TEXT);
gtk_icon_view_enable_model_drag_source (GTK_ICON_VIEW (self),
GDK_BUTTON1_MASK,
targets, 1,
GDK_ACTION_COPY);
}
static void
path_from_line_rects (cairo_t *cr,
GdkRectangle *lines,
int n_lines)
{
int start_line, end_line;
GdkRectangle *r;
int i;
/* Join rows vertically by extending to the middle */
for (i = 0; i < n_lines - 1; i++)
{
GdkRectangle *r1 = &lines[i];
GdkRectangle *r2 = &lines[i+1];
int gap = r2->y - (r1->y + r1->height);
int old_y;
r1->height += gap / 2;
old_y = r2->y;
r2->y = r1->y + r1->height;
r2->height += old_y - r2->y;
}
cairo_new_path (cr);
start_line = 0;
do
{
for (i = start_line; i < n_lines; i++)
{
r = &lines[i];
if (i == start_line)
cairo_move_to (cr, r->x + r->width, r->y);
else
cairo_line_to (cr, r->x + r->width, r->y);
cairo_line_to (cr, r->x + r->width, r->y + r->height);
if (i < n_lines - 1 &&
(r->x + r->width < lines[i+1].x ||
r->x > lines[i+1].x + lines[i+1].width))
{
i++;
break;
}
}
end_line = i;
for (i = end_line - 1; i >= start_line; i--)
{
r = &lines[i];
cairo_line_to (cr, r->x, r->y + r->height);
cairo_line_to (cr, r->x, r->y);
}
cairo_close_path (cr);
start_line = end_line;
}
while (end_line < n_lines);
}
static gboolean
gd_main_icon_view_draw (GtkWidget *widget,
cairo_t *cr)
{
GdMainIconView *self = GD_MAIN_ICON_VIEW (widget);
GtkAllocation allocation;
GtkStyleContext *context;
GdkRectangle line_rect;
GdkRectangle rect;
GtkTreePath *path;
GArray *lines;
GtkTreePath *rubberband_start, *rubberband_end;
GTK_WIDGET_CLASS (gd_main_icon_view_parent_class)->draw (widget, cr);
_gd_main_view_generic_get_rubberband_range (GD_MAIN_VIEW_GENERIC (self),
&rubberband_start, &rubberband_end);
if (rubberband_start)
{
cairo_save (cr);
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
gtk_style_context_add_class (context, GTK_STYLE_CLASS_RUBBERBAND);
path = gtk_tree_path_copy (rubberband_start);
line_rect.width = 0;
lines = g_array_new (FALSE, FALSE, sizeof (GdkRectangle));
while (gtk_tree_path_compare (path, rubberband_end) <= 0)
{
if (gtk_icon_view_get_cell_rect (GTK_ICON_VIEW (widget),
path,
NULL, &rect))
{
if (line_rect.width == 0)
line_rect = rect;
else
{
if (rect.y == line_rect.y)
gdk_rectangle_union (&rect, &line_rect, &line_rect);
else
{
g_array_append_val (lines, line_rect);
line_rect = rect;
}
}
}
gtk_tree_path_next (path);
}
if (line_rect.width != 0)
g_array_append_val (lines, line_rect);
if (lines->len > 0)
{
GtkStateFlags state;
cairo_path_t *path;
GtkBorder border;
GdkRGBA border_color;
path_from_line_rects (cr, (GdkRectangle *)lines->data, lines->len);
/* For some reason we need to copy and reapply the path, or it gets
eaten by gtk_render_background() */
path = cairo_copy_path (cr);
cairo_save (cr);
cairo_clip (cr);
gtk_widget_get_allocation (widget, &allocation);
gtk_render_background (context, cr,
0, 0,
allocation.width, allocation.height);
cairo_restore (cr);
cairo_append_path (cr, path);
cairo_path_destroy (path);
state = gtk_widget_get_state_flags (widget);
gtk_style_context_get_border_color (context,
state,
&border_color);
gtk_style_context_get_border (context, state,
&border);
cairo_set_line_width (cr, border.left);
gdk_cairo_set_source_rgba (cr, &border_color);
cairo_stroke (cr);
}
g_array_free (lines, TRUE);
gtk_tree_path_free (path);
gtk_style_context_restore (context);
cairo_restore (cr);
}
return FALSE;
}
static void
gd_main_icon_view_class_init (GdMainIconViewClass *klass)
{
GObjectClass *oclass = G_OBJECT_CLASS (klass);
GtkWidgetClass *wclass = GTK_WIDGET_CLASS (klass);
GtkBindingSet *binding_set;
GdkModifierType activate_modifiers[] = { GDK_SHIFT_MASK, GDK_CONTROL_MASK, GDK_SHIFT_MASK | GDK_CONTROL_MASK };
int i;
binding_set = gtk_binding_set_by_class (klass);
oclass->constructed = gd_main_icon_view_constructed;
wclass->drag_data_get = gd_main_icon_view_drag_data_get;
wclass->draw = gd_main_icon_view_draw;
gtk_widget_class_install_style_property (wclass,
g_param_spec_int ("check-icon-size",
"Check icon size",
"Check icon size",
-1, G_MAXINT, 40,
G_PARAM_READWRITE));
g_type_class_add_private (klass, sizeof (GdMainIconViewPrivate));
for (i = 0; i < G_N_ELEMENTS (activate_modifiers); i++)
{
gtk_binding_entry_add_signal (binding_set, GDK_KEY_space, activate_modifiers[i],
"activate-cursor-item", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Space, activate_modifiers[i],
"activate-cursor-item", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Return, activate_modifiers[i],
"activate-cursor-item", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_ISO_Enter, activate_modifiers[i],
"activate-cursor-item", 0);
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Enter, activate_modifiers[i],
"activate-cursor-item", 0);
}
}
static void
gd_main_icon_view_init (GdMainIconView *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GD_TYPE_MAIN_ICON_VIEW, GdMainIconViewPrivate);
}
static GtkTreePath *
gd_main_icon_view_get_path_at_pos (GdMainViewGeneric *mv,
gint x,
gint y)
{
return gtk_icon_view_get_path_at_pos (GTK_ICON_VIEW (mv), x, y);
}
static void
gd_main_icon_view_set_selection_mode (GdMainViewGeneric *mv,
gboolean selection_mode)
{
GdMainIconView *self = GD_MAIN_ICON_VIEW (mv);
self->priv->selection_mode = selection_mode;
g_object_set (self->priv->pixbuf_cell,
"toggle-visible", selection_mode,
NULL);
gtk_widget_queue_draw (GTK_WIDGET (self));
}
static void
gd_main_icon_view_scroll_to_path (GdMainViewGeneric *mv,
GtkTreePath *path)
{
gtk_icon_view_scroll_to_path (GTK_ICON_VIEW (mv), path, TRUE, 0.5, 0.5);
}
static void
gd_main_icon_view_set_model (GdMainViewGeneric *mv,
GtkTreeModel *model)
{
gtk_icon_view_set_model (GTK_ICON_VIEW (mv), model);
}
static GtkTreeModel *
gd_main_icon_view_get_model (GdMainViewGeneric *mv)
{
return gtk_icon_view_get_model (GTK_ICON_VIEW (mv));
}
static void
gd_main_view_generic_iface_init (GdMainViewGenericIface *iface)
{
iface->set_model = gd_main_icon_view_set_model;
iface->get_model = gd_main_icon_view_get_model;
iface->get_path_at_pos = gd_main_icon_view_get_path_at_pos;
iface->scroll_to_path = gd_main_icon_view_scroll_to_path;
iface->set_selection_mode = gd_main_icon_view_set_selection_mode;
}
GtkWidget *
gd_main_icon_view_new (void)
{
return g_object_new (GD_TYPE_MAIN_ICON_VIEW, NULL);
}
/*
* Copyright (c) 2011 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Cosimo Cecchi <cosimoc@redhat.com>
*
*/
#ifndef __GD_MAIN_ICON_VIEW_H__
#define __GD_MAIN_ICON_VIEW_H__
#include <glib-object.h>
#include <gtk/gtk.h>
G_BEGIN_DECLS
#define GD_TYPE_MAIN_ICON_VIEW gd_main_icon_view_get_type()
#define GD_MAIN_ICON_VIEW(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), \
GD_TYPE_MAIN_ICON_VIEW, GdMainIconView))
#define GD_MAIN_ICON_VIEW_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), \
GD_TYPE_MAIN_ICON_VIEW, GdMainIconViewClass))
#define GD_IS_MAIN_ICON_VIEW(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
GD_TYPE_MAIN_ICON_VIEW))
#define GD_IS_MAIN_ICON_VIEW_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), \
GD_TYPE_MAIN_ICON_VIEW))
#define GD_MAIN_ICON_VIEW_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), \
GD_TYPE_MAIN_ICON_VIEW, GdMainIconViewClass))
typedef struct _GdMainIconView GdMainIconView;
typedef struct _GdMainIconViewClass GdMainIconViewClass;
typedef struct _GdMainIconViewPrivate GdMainIconViewPrivate;
struct _GdMainIconView
{
GtkIconView parent;
GdMainIconViewPrivate *priv;
};
struct _GdMainIconViewClass
{
GtkIconViewClass parent_class;
};
GType gd_main_icon_view_get_type (void) G_GNUC_CONST;
GtkWidget * gd_main_icon_view_new (void);
G_END_DECLS
#endif /* __GD_MAIN_ICON_VIEW_H__ */