Add a SugarGrid object to replace the numpy implementation. Part of the fix for #8394

This commit is contained in:
Marco Pesenti Gritti 2008-09-10 18:29:19 +02:00
parent 1ac335f271
commit 388f74a56d
6 changed files with 238 additions and 5 deletions

View File

@ -46,6 +46,8 @@ _sugarext_la_SOURCES = \
sexy-icon-entry.c \
sugar-address-entry.c \
sugar-address-entry.h \
sugar-grid.c \
sugar-grid.h \
sugar-key-grabber.c \
sugar-key-grabber.h \
sugar-menu.h \
@ -63,7 +65,6 @@ _sugarext.c: _sugarext.defs _sugarext.override
.defs.c:
(cd $(srcdir)\
&& $(PYGTK_CODEGEN) \
--register $(PYGTK_DEFSDIR)/gdk-types.defs \
--register $(PYGTK_DEFSDIR)/gdk-types.defs \
--register $(PYGTK_DEFSDIR)/gtk-types.defs \
--override $*.override \

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@ -22,6 +22,13 @@
(gtype-id "SUGAR_TYPE_MENU")
)
(define-object Grid
(in-module "Sugar")
(parent "GObject")
(c-name "SugarGrid")
(gtype-id "SUGAR_TYPE_GRID")
)
(define-object Preview
(in-module "Sugar")
(parent "GObject")
@ -95,6 +102,45 @@
(return-type "none")
)
;; From sugar-grid.h
(define-method setup
(of-object "SugarGrid")
(c-name "sugar_grid_setup")
(return-type "none")
(parameters
'("gint" "width")
'("gint" "height")
)
)
(define-method add_weight
(of-object "SugarGrid")
(c-name "sugar_grid_add_weight")
(return-type "none")
(parameters
'("GdkRectangle*" "rect")
)
)
(define-method remove_weight
(of-object "SugarGrid")
(c-name "sugar_grid_remove_weight")
(return-type "none")
(parameters
'("GdkRectangle*" "rect")
)
)
(define-method compute_weight
(of-object "SugarGrid")
(c-name "sugar_grid_compute_weight")
(return-type "guint")
(parameters
'("GdkRectangle*" "rect")
)
)
;; From sugar-key-grabber.h
(define-function sugar_key_grabber_get_type

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@ -5,6 +5,7 @@ headers
#include "pygobject.h"
#include "sugar-address-entry.h"
#include "sugar-grid.h"
#include "sugar-key-grabber.h"
#include "sugar-menu.h"
#include "sugar-preview.h"

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@ -23,6 +23,7 @@
/* include this first, before NO_IMPORT_PYGOBJECT is defined */
#include <pygobject.h>
#include <pygtk/pygtk.h>
extern PyMethodDef py_sugarext_functions[];
@ -34,12 +35,13 @@ init_sugarext(void)
{
PyObject *m, *d;
init_pygobject ();
init_pygobject();
init_pygtk();
m = Py_InitModule ("_sugarext", py_sugarext_functions);
d = PyModule_GetDict (m);
m = Py_InitModule("_sugarext", py_sugarext_functions);
d = PyModule_GetDict(m);
py_sugarext_register_classes (d);
py_sugarext_register_classes(d);
py_sugarext_add_constants(m, "SEXY_");
if (PyErr_Occurred ()) {

120
src/sugar/sugar-grid.c Normal file
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@ -0,0 +1,120 @@
/*
* Copyright (C) 2008, Red Hat, Inc.
*
* This library 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 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 "sugar-grid.h"
static void sugar_grid_class_init (SugarGridClass *grid_class);
static void sugar_grid_init (SugarGrid *grid);
G_DEFINE_TYPE(SugarGrid, sugar_grid, G_TYPE_OBJECT)
void
sugar_grid_setup(SugarGrid *grid, gint width, gint height)
{
g_free(grid->weights);
grid->weights = g_new0(guchar, width * height);
grid->width = width;
grid->height = height;
}
static gboolean
check_bounds(SugarGrid *grid, GdkRectangle *rect)
{
return (grid->weights != NULL &&
grid->width >= rect->x + rect->width &&
grid->height >= rect->y + rect->height);
}
void
sugar_grid_add_weight(SugarGrid *grid, GdkRectangle *rect)
{
int i, k;
if (!check_bounds(grid, rect)) {
g_warning("Trying to add weight outside the grid bounds.");
return;
}
for (k = rect->y; k < rect->y + rect->height; k++) {
for (i = rect->x; i < rect->x + rect->width; i++) {
grid->weights[i + k * rect->width] += 1;
}
}
}
void
sugar_grid_remove_weight(SugarGrid *grid, GdkRectangle *rect)
{
int i, k;
if (!check_bounds(grid, rect)) {
g_warning("Trying to remove weight outside the grid bounds.");
return;
}
for (k = rect->y; k < rect->y + rect->height; k++) {
for (i = rect->x; i < rect->x + rect->width; i++) {
grid->weights[i + k * rect->width] -= 1;
}
}
}
guint
sugar_grid_compute_weight(SugarGrid *grid, GdkRectangle *rect)
{
int i, k, sum = 0;
if (!check_bounds(grid, rect)) {
g_warning("Trying to compute weight outside the grid bounds.");
return 0;
}
for (k = rect->y; k < rect->y + rect->height; k++) {
for (i = rect->x; i < rect->x + rect->width; i++) {
sum += grid->weights[i + k * rect->width];
}
}
return sum;
}
static void
sugar_grid_finalize(GObject *object)
{
SugarGrid *grid = SUGAR_GRID(object);
g_free(grid->weights);
}
static void
sugar_grid_class_init(SugarGridClass *grid_class)
{
GObjectClass *gobject_class;
gobject_class = G_OBJECT_CLASS(grid_class);
gobject_class->finalize = sugar_grid_finalize;
}
static void
sugar_grid_init(SugarGrid *grid)
{
grid->weights = NULL;
}

63
src/sugar/sugar-grid.h Normal file
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@ -0,0 +1,63 @@
/*
* Copyright (C) 2008, Red Hat, Inc.
*
* This library 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 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*/
#ifndef __SUGAR_GRID_H__
#define __SUGAR_GRID_H__
#include <glib-object.h>
#include <gdk/gdk.h>
G_BEGIN_DECLS
typedef struct _SugarGrid SugarGrid;
typedef struct _SugarGridClass SugarGridClass;
#define SUGAR_TYPE_GRID (sugar_grid_get_type())
#define SUGAR_GRID(object) (G_TYPE_CHECK_INSTANCE_CAST((object), SUGAR_TYPE_GRID, SugarGrid))
#define SUGAR_GRID_CLASS(klass) (G_TYPE_CHACK_CLASS_CAST((klass), SUGAR_TYPE_GRID, SugarGridClass))
#define SUGAR_IS_GRID(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), SUGAR_TYPE_GRID))
#define SUGAR_IS_GRID_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), SUGAR_TYPE_GRID))
#define SUGAR_GRID_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), SUGAR_TYPE_GRID, SugarGridClass))
struct _SugarGrid {
GObject base_instance;
gint width;
gint height;
guchar *weights;
};
struct _SugarGridClass {
GObjectClass base_class;
};
GType sugar_grid_get_type (void);
void sugar_grid_setup (SugarGrid *grid,
gint width,
gint height);
void sugar_grid_add_weight (SugarGrid *grid,
GdkRectangle *rect);
void sugar_grid_remove_weight (SugarGrid *grid,
GdkRectangle *rect);
guint sugar_grid_compute_weight (SugarGrid *grid,
GdkRectangle *rect);
G_END_DECLS
#endif /* __SUGAR_GRID_H__ */