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gimp/app/display/gimpstatusbar.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "display-types.h"
#include "core/gimpimage.h"
#include "gimpdisplay.h"
#include "gimpstatusbar.h"
#include "libgimp/gimpintl.h"
/* maximal width of the string holding the cursor-coordinates for
* the status line
*/
#define CURSOR_STR_LENGTH 256
static void gimp_statusbar_class_init (GimpStatusbarClass *klass);
static void gimp_statusbar_init (GimpStatusbar *statusbar);
static void gimp_statusbar_update (GtkStatusbar *gtk_statusbar,
guint context_id,
const gchar *text);
static GtkStatusbarClass *parent_class = NULL;
GType
gimp_statusbar_get_type (void)
{
static GType statusbar_type = 0;
if (! statusbar_type)
{
static const GTypeInfo statusbar_info =
{
sizeof (GimpStatusbarClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_statusbar_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpStatusbar),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_statusbar_init,
};
statusbar_type = g_type_register_static (GTK_TYPE_STATUSBAR,
"GimpStatusbar",
&statusbar_info, 0);
}
return statusbar_type;
}
static void
gimp_statusbar_class_init (GimpStatusbarClass *klass)
{
GtkStatusbarClass *gtk_statusbar_class;
parent_class = g_type_class_peek_parent (klass);
gtk_statusbar_class = GTK_STATUSBAR_CLASS (klass);
gtk_statusbar_class->text_pushed = gimp_statusbar_update;
gtk_statusbar_class->text_popped = gimp_statusbar_update;
}
static void
gimp_statusbar_init (GimpStatusbar *statusbar)
{
GtkStatusbar *gtk_statusbar;
GtkBox *box;
GtkShadowType shadow_type;
gtk_statusbar = GTK_STATUSBAR (statusbar);
box = GTK_BOX (statusbar);
gtk_widget_hide (gtk_statusbar->frame);
statusbar->gdisp = NULL;
statusbar->cursor_format_str[0] = '\0';
statusbar->progressid = 0;
gtk_widget_style_get (GTK_WIDGET (statusbar),
"shadow_type", &shadow_type,
NULL);
statusbar->cursor_frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (statusbar->cursor_frame), shadow_type);
gtk_box_pack_start (box, statusbar->cursor_frame, FALSE, FALSE, 0);
gtk_box_reorder_child (box, statusbar->cursor_frame, 0);
gtk_widget_show (statusbar->cursor_frame);
statusbar->cursor_label = gtk_label_new ("0, 0");
gtk_misc_set_alignment (GTK_MISC (statusbar->cursor_label), 0.5, 0.5);
gtk_container_add (GTK_CONTAINER (statusbar->cursor_frame),
statusbar->cursor_label);
gtk_widget_show (statusbar->cursor_label);
statusbar->progressbar = gtk_progress_bar_new ();
gtk_box_pack_start (box, statusbar->progressbar, TRUE, TRUE, 0);
gtk_widget_show (statusbar->progressbar);
GTK_PROGRESS_BAR (statusbar->progressbar)->progress.x_align = 0.0;
GTK_PROGRESS_BAR (statusbar->progressbar)->progress.y_align = 0.5;
statusbar->cancelbutton = gtk_button_new_with_label (_("Cancel"));
gtk_widget_set_sensitive (statusbar->cancelbutton, FALSE);
gtk_box_pack_start (box, statusbar->cancelbutton, FALSE, FALSE, 0);
gtk_widget_show (statusbar->cancelbutton);
}
static void
gimp_statusbar_update (GtkStatusbar *gtk_statusbar,
guint context_id,
const gchar *text)
{
GimpStatusbar *statusbar;
statusbar = GIMP_STATUSBAR (gtk_statusbar);
if (! text)
text = "";
gtk_progress_bar_set_text (GTK_PROGRESS_BAR (statusbar->progressbar), text);
}
GtkWidget *
gimp_statusbar_new (GimpDisplay *gdisp)
{
GimpStatusbar *statusbar;
g_return_val_if_fail (GIMP_IS_DISPLAY (gdisp), NULL);
statusbar = g_object_new (GIMP_TYPE_STATUSBAR, NULL);
statusbar->gdisp = gdisp;
return GTK_WIDGET (statusbar);
}
void
gimp_statusbar_push (GimpStatusbar *statusbar,
const gchar *context_id,
const gchar *message)
{
guint context_uint;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
context_uint = gtk_statusbar_get_context_id (GTK_STATUSBAR (statusbar),
context_id);
gtk_statusbar_push (GTK_STATUSBAR (statusbar), context_uint, message);
}
void
gimp_statusbar_push_coords (GimpStatusbar *statusbar,
const gchar *context_id,
const gchar *title,
gdouble x,
const gchar *separator,
gdouble y)
{
gchar buf[256];
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (title != NULL);
g_return_if_fail (separator != NULL);
if (statusbar->gdisp->dot_for_dot)
{
g_snprintf (buf, sizeof (buf), statusbar->cursor_format_str,
title,
ROUND (x),
separator,
ROUND (y));
}
else /* show real world units */
{
gdouble unit_factor;
unit_factor = gimp_unit_get_factor (statusbar->gdisp->gimage->unit);
g_snprintf (buf, sizeof (buf), statusbar->cursor_format_str,
title,
x * unit_factor / statusbar->gdisp->gimage->xresolution,
separator,
y * unit_factor / statusbar->gdisp->gimage->yresolution);
}
gimp_statusbar_push (statusbar, context_id, buf);
}
void
gimp_statusbar_pop (GimpStatusbar *statusbar,
const gchar *context_id)
{
guint context_uint;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
context_uint = gtk_statusbar_get_context_id (GTK_STATUSBAR (statusbar),
context_id);
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), context_uint);
}
void
gimp_statusbar_update_cursor (GimpStatusbar *statusbar,
gdouble x,
gdouble y)
{
GimpDisplay *gdisp;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
gdisp = statusbar->gdisp;
if (x < 0 ||
y < 0 ||
x >= gdisp->gimage->width ||
y >= gdisp->gimage->height)
{
gtk_label_set_text (GTK_LABEL (statusbar->cursor_label), "");
}
else
{
gchar buffer[CURSOR_STR_LENGTH];
if (gdisp->dot_for_dot)
{
g_snprintf (buffer, sizeof (buffer), statusbar->cursor_format_str,
"",
ROUND (x),
", ",
ROUND (y));
}
else /* show real world units */
{
gdouble unit_factor;
unit_factor = gimp_unit_get_factor (gdisp->gimage->unit);
g_snprintf (buffer, sizeof (buffer), statusbar->cursor_format_str,
"",
x * unit_factor / gdisp->gimage->xresolution,
", ",
y * unit_factor / gdisp->gimage->yresolution);
}
gtk_label_set_text (GTK_LABEL (statusbar->cursor_label), buffer);
}
}
void
gimp_statusbar_resize_cursor (GimpStatusbar *statusbar)
{
static PangoLayout *layout = NULL;
GimpDisplay *gdisp;
gchar buffer[CURSOR_STR_LENGTH];
gint cursor_label_width;
gint label_frame_size_difference;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
gdisp = statusbar->gdisp;
if (gdisp->dot_for_dot)
{
g_snprintf (statusbar->cursor_format_str,
sizeof (statusbar->cursor_format_str),
"%%s%%d%%s%%d");
g_snprintf (buffer, sizeof (buffer), statusbar->cursor_format_str,
"", gdisp->gimage->width, ", ", gdisp->gimage->height);
}
else /* show real world units */
{
gdouble unit_factor;
unit_factor = gimp_unit_get_factor (gdisp->gimage->unit);
g_snprintf (statusbar->cursor_format_str,
sizeof (statusbar->cursor_format_str),
"%%s%%.%df%%s%%.%df %s",
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_digits (gdisp->gimage->unit),
gimp_unit_get_symbol (gdisp->gimage->unit));
g_snprintf (buffer, sizeof (buffer), statusbar->cursor_format_str,
"",
(gdouble) gdisp->gimage->width * unit_factor /
gdisp->gimage->xresolution,
", ",
(gdouble) gdisp->gimage->height * unit_factor /
gdisp->gimage->yresolution);
}
/* one static layout for all displays should be fine */
if (! layout)
layout = gtk_widget_create_pango_layout (statusbar->cursor_label, buffer);
else
pango_layout_set_text (layout, buffer, -1);
pango_layout_get_pixel_size (layout, &cursor_label_width, NULL);
/* find out how many pixels the label's parent frame is bigger than
* the label itself
*/
label_frame_size_difference = (statusbar->cursor_frame->allocation.width -
statusbar->cursor_label->allocation.width);
gtk_widget_set_size_request (statusbar->cursor_label, cursor_label_width, -1);
/* don't resize if this is a new display */
if (label_frame_size_difference)
gtk_widget_set_size_request (statusbar->cursor_frame,
cursor_label_width +
label_frame_size_difference,
-1);
#if 0
gimp_display_shell_update_cursor (shell,
shell->cursor_x,
shell->cursor_y);
#endif
}
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