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gimp/app/display/gimpstatusbar.c

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/* GIMP - The GNU 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "display-types.h"
#include "config/gimpdisplayconfig.h"
#include "core/gimpimage.h"
#include "core/gimpprogress.h"
#include "widgets/gimpwidgets-utils.h"
#include "gimpdisplay.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-scale.h"
#include "gimpimagewindow.h"
#include "gimpscalecombobox.h"
#include "gimpstatusbar.h"
#include "gimp-intl.h"
/* maximal width of the string holding the cursor-coordinates */
#define CURSOR_LEN 256
/* the spacing of the hbox */
#define HBOX_SPACING 1
/* spacing between the icon and the statusbar label */
#define ICON_SPACING 2
/* timeout (in milliseconds) for temporary statusbar messages */
#define MESSAGE_TIMEOUT 8000
typedef struct _GimpStatusbarMsg GimpStatusbarMsg;
struct _GimpStatusbarMsg
{
guint context_id;
gchar *stock_id;
gchar *text;
};
static void gimp_statusbar_progress_iface_init (GimpProgressInterface *iface);
static void gimp_statusbar_dispose (GObject *object);
static void gimp_statusbar_finalize (GObject *object);
static void gimp_statusbar_hbox_size_request (GtkWidget *widget,
GtkRequisition *requisition,
GimpStatusbar *statusbar);
static GimpProgress *
gimp_statusbar_progress_start (GimpProgress *progress,
const gchar *message,
gboolean cancelable);
static void gimp_statusbar_progress_end (GimpProgress *progress);
static gboolean gimp_statusbar_progress_is_active (GimpProgress *progress);
static void gimp_statusbar_progress_set_text (GimpProgress *progress,
const gchar *message);
static void gimp_statusbar_progress_set_value (GimpProgress *progress,
gdouble percentage);
static gdouble gimp_statusbar_progress_get_value (GimpProgress *progress);
static void gimp_statusbar_progress_pulse (GimpProgress *progress);
static gboolean gimp_statusbar_progress_message (GimpProgress *progress,
Gimp *gimp,
GimpMessageSeverity severity,
const gchar *domain,
const gchar *message);
static void gimp_statusbar_progress_canceled (GtkWidget *button,
GimpStatusbar *statusbar);
static gboolean gimp_statusbar_label_expose (GtkWidget *widget,
GdkEventExpose *event,
GimpStatusbar *statusbar);
static void gimp_statusbar_update (GimpStatusbar *statusbar);
static void gimp_statusbar_unit_changed (GimpUnitComboBox *combo,
GimpStatusbar *statusbar);
static void gimp_statusbar_scale_changed (GimpScaleComboBox *combo,
GimpStatusbar *statusbar);
static void gimp_statusbar_scale_activated (GimpScaleComboBox *combo,
GimpStatusbar *statusbar);
static void gimp_statusbar_shell_scaled (GimpDisplayShell *shell,
GimpStatusbar *statusbar);
static void gimp_statusbar_shell_status_notify(GimpDisplayShell *shell,
const GParamSpec *pspec,
GimpStatusbar *statusbar);
static guint gimp_statusbar_get_context_id (GimpStatusbar *statusbar,
const gchar *context);
static gboolean gimp_statusbar_temp_timeout (GimpStatusbar *statusbar);
static void gimp_statusbar_msg_free (GimpStatusbarMsg *msg);
static gchar * gimp_statusbar_vprintf (const gchar *format,
va_list args);
G_DEFINE_TYPE_WITH_CODE (GimpStatusbar, gimp_statusbar, GTK_TYPE_STATUSBAR,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_PROGRESS,
gimp_statusbar_progress_iface_init))
#define parent_class gimp_statusbar_parent_class
static void
gimp_statusbar_class_init (GimpStatusbarClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = gimp_statusbar_dispose;
object_class->finalize = gimp_statusbar_finalize;
}
static void
gimp_statusbar_progress_iface_init (GimpProgressInterface *iface)
{
iface->start = gimp_statusbar_progress_start;
iface->end = gimp_statusbar_progress_end;
iface->is_active = gimp_statusbar_progress_is_active;
iface->set_text = gimp_statusbar_progress_set_text;
iface->set_value = gimp_statusbar_progress_set_value;
iface->get_value = gimp_statusbar_progress_get_value;
iface->pulse = gimp_statusbar_progress_pulse;
iface->message = gimp_statusbar_progress_message;
}
static void
gimp_statusbar_init (GimpStatusbar *statusbar)
{
GtkWidget *hbox;
GtkWidget *image;
GimpUnitStore *store;
GList *children;
statusbar->shell = NULL;
statusbar->messages = NULL;
statusbar->context_ids = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, NULL);
statusbar->seq_context_id = 1;
statusbar->temp_context_id =
gimp_statusbar_get_context_id (statusbar, "gimp-statusbar-temp");
statusbar->cursor_format_str[0] = '\0';
statusbar->cursor_format_str_f[0] = '\0';
statusbar->length_format_str[0] = '\0';
statusbar->progress_active = FALSE;
statusbar->progress_shown = FALSE;
/* remove the message label from the message area */
hbox = gtk_statusbar_get_message_area (GTK_STATUSBAR (statusbar));
gtk_box_set_spacing (GTK_BOX (hbox), HBOX_SPACING);
children = gtk_container_get_children (GTK_CONTAINER (hbox));
statusbar->label = g_object_ref (children->data);
g_list_free (children);
gtk_container_remove (GTK_CONTAINER (hbox), statusbar->label);
g_signal_connect (hbox, "size-request",
G_CALLBACK (gimp_statusbar_hbox_size_request),
statusbar);
statusbar->cursor_label = gtk_label_new ("8888, 8888");
gtk_misc_set_alignment (GTK_MISC (statusbar->cursor_label), 0.5, 0.5);
gtk_box_pack_start (GTK_BOX (hbox), statusbar->cursor_label, FALSE, FALSE, 0);
gtk_widget_show (statusbar->cursor_label);
store = gimp_unit_store_new (2);
statusbar->unit_combo = gimp_unit_combo_box_new_with_model (store);
g_object_unref (store);
gtk_widget_set_can_focus (statusbar->unit_combo, FALSE);
g_object_set (statusbar->unit_combo, "focus-on-click", FALSE, NULL);
gtk_box_pack_start (GTK_BOX (hbox), statusbar->unit_combo, FALSE, FALSE, 0);
gtk_widget_show (statusbar->unit_combo);
g_signal_connect (statusbar->unit_combo, "changed",
G_CALLBACK (gimp_statusbar_unit_changed),
statusbar);
statusbar->scale_combo = gimp_scale_combo_box_new ();
gtk_widget_set_can_focus (statusbar->scale_combo, FALSE);
g_object_set (statusbar->scale_combo, "focus-on-click", FALSE, NULL);
gtk_box_pack_start (GTK_BOX (hbox), statusbar->scale_combo, FALSE, FALSE, 0);
gtk_widget_show (statusbar->scale_combo);
g_signal_connect (statusbar->scale_combo, "changed",
G_CALLBACK (gimp_statusbar_scale_changed),
statusbar);
g_signal_connect (statusbar->scale_combo, "entry-activated",
G_CALLBACK (gimp_statusbar_scale_activated),
statusbar);
/* put the label back into the message area */
gtk_box_pack_start (GTK_BOX (hbox), statusbar->label, TRUE, TRUE, 1);
g_object_unref (statusbar->label);
g_signal_connect_after (statusbar->label, "expose-event",
G_CALLBACK (gimp_statusbar_label_expose),
statusbar);
statusbar->progressbar = g_object_new (GTK_TYPE_PROGRESS_BAR,
"text-xalign", 0.0,
"text-yalign", 0.5,
"ellipsize", PANGO_ELLIPSIZE_END,
NULL);
gtk_box_pack_start (GTK_BOX (hbox), statusbar->progressbar, TRUE, TRUE, 0);
/* don't show the progress bar */
statusbar->cancel_button = gtk_button_new ();
gtk_widget_set_can_focus (statusbar->cancel_button, FALSE);
gtk_button_set_relief (GTK_BUTTON (statusbar->cancel_button),
GTK_RELIEF_NONE);
gtk_widget_set_sensitive (statusbar->cancel_button, FALSE);
gtk_box_pack_start (GTK_BOX (hbox),
statusbar->cancel_button, FALSE, FALSE, 0);
/* don't show the cancel button */
image = gtk_image_new_from_stock (GTK_STOCK_CANCEL, GTK_ICON_SIZE_MENU);
gtk_container_add (GTK_CONTAINER (statusbar->cancel_button), image);
gtk_widget_show (image);
g_signal_connect (statusbar->cancel_button, "clicked",
G_CALLBACK (gimp_statusbar_progress_canceled),
statusbar);
}
static void
gimp_statusbar_dispose (GObject *object)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (object);
if (statusbar->temp_timeout_id)
{
g_source_remove (statusbar->temp_timeout_id);
statusbar->temp_timeout_id = 0;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_statusbar_finalize (GObject *object)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (object);
if (statusbar->icon)
{
g_object_unref (statusbar->icon);
statusbar->icon = NULL;
}
g_slist_free_full (statusbar->messages,
(GDestroyNotify) gimp_statusbar_msg_free);
statusbar->messages = NULL;
if (statusbar->context_ids)
{
g_hash_table_destroy (statusbar->context_ids);
statusbar->context_ids = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_statusbar_hbox_size_request (GtkWidget *widget,
GtkRequisition *requisition,
GimpStatusbar *statusbar)
{
GtkRequisition child_requisition;
gint width = 0;
/* also consider the children which can be invisible */
gtk_widget_size_request (statusbar->cursor_label, &child_requisition);
width += child_requisition.width;
requisition->height = MAX (requisition->height,
child_requisition.height);
gtk_widget_size_request (statusbar->unit_combo, &child_requisition);
width += child_requisition.width;
requisition->height = MAX (requisition->height,
child_requisition.height);
gtk_widget_size_request (statusbar->scale_combo, &child_requisition);
width += child_requisition.width;
requisition->height = MAX (requisition->height,
child_requisition.height);
gtk_widget_size_request (statusbar->progressbar, &child_requisition);
requisition->height = MAX (requisition->height,
child_requisition.height);
gtk_widget_size_request (statusbar->cancel_button, &child_requisition);
requisition->height = MAX (requisition->height,
child_requisition.height);
requisition->width = MAX (requisition->width, width + 32);
}
static GimpProgress *
gimp_statusbar_progress_start (GimpProgress *progress,
const gchar *message,
gboolean cancelable)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (progress);
if (! statusbar->progress_active)
{
GtkWidget *bar = statusbar->progressbar;
statusbar->progress_active = TRUE;
statusbar->progress_value = 0.0;
gimp_statusbar_push (statusbar, "progress", NULL, "%s", message);
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (bar), 0.0);
gtk_widget_set_sensitive (statusbar->cancel_button, cancelable);
if (cancelable)
{
if (message)
{
gchar *tooltip = g_strdup_printf (_("Cancel <i>%s</i>"), message);
gimp_help_set_help_data_with_markup (statusbar->cancel_button,
tooltip, NULL);
g_free (tooltip);
}
gtk_widget_show (statusbar->cancel_button);
}
gtk_widget_show (statusbar->progressbar);
gtk_widget_hide (statusbar->label);
/* This call is needed so that the progress bar is drawn in the
* correct place. Probably due a bug in GTK+.
*/
gtk_container_resize_children (GTK_CONTAINER (statusbar));
if (! gtk_widget_get_visible (GTK_WIDGET (statusbar)))
{
gtk_widget_show (GTK_WIDGET (statusbar));
statusbar->progress_shown = TRUE;
}
gimp_widget_flush_expose (bar);
gimp_statusbar_override_window_title (statusbar);
return progress;
}
return NULL;
}
static void
gimp_statusbar_progress_end (GimpProgress *progress)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (progress);
if (statusbar->progress_active)
{
GtkWidget *bar = statusbar->progressbar;
if (statusbar->progress_shown)
{
gtk_widget_hide (GTK_WIDGET (statusbar));
statusbar->progress_shown = FALSE;
}
statusbar->progress_active = FALSE;
statusbar->progress_value = 0.0;
gtk_widget_hide (bar);
gtk_widget_show (statusbar->label);
gimp_statusbar_pop (statusbar, "progress");
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (bar), 0.0);
gtk_widget_set_sensitive (statusbar->cancel_button, FALSE);
gtk_widget_hide (statusbar->cancel_button);
gimp_statusbar_restore_window_title (statusbar);
}
}
static gboolean
gimp_statusbar_progress_is_active (GimpProgress *progress)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (progress);
return statusbar->progress_active;
}
static void
gimp_statusbar_progress_set_text (GimpProgress *progress,
const gchar *message)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (progress);
if (statusbar->progress_active)
{
GtkWidget *bar = statusbar->progressbar;
gimp_statusbar_replace (statusbar, "progress", NULL, "%s", message);
gimp_widget_flush_expose (bar);
gimp_statusbar_override_window_title (statusbar);
}
}
static void
gimp_statusbar_progress_set_value (GimpProgress *progress,
gdouble percentage)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (progress);
if (statusbar->progress_active)
{
GtkWidget *bar = statusbar->progressbar;
GtkAllocation allocation;
gtk_widget_get_allocation (bar, &allocation);
statusbar->progress_value = percentage;
/* only update the progress bar if this causes a visible change */
if (fabs (allocation.width *
(percentage -
gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (bar)))) > 1.0)
{
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (bar), percentage);
gimp_widget_flush_expose (bar);
}
}
}
static gdouble
gimp_statusbar_progress_get_value (GimpProgress *progress)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (progress);
if (statusbar->progress_active)
return statusbar->progress_value;
return 0.0;
}
static void
gimp_statusbar_progress_pulse (GimpProgress *progress)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (progress);
if (statusbar->progress_active)
{
GtkWidget *bar = statusbar->progressbar;
gtk_progress_bar_pulse (GTK_PROGRESS_BAR (bar));
gimp_widget_flush_expose (bar);
}
}
static gboolean
gimp_statusbar_progress_message (GimpProgress *progress,
Gimp *gimp,
GimpMessageSeverity severity,
const gchar *domain,
const gchar *message)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (progress);
PangoLayout *layout;
const gchar *stock_id;
gboolean handle_msg = FALSE;
/* don't accept a message if we are already displaying a more severe one */
if (statusbar->temp_timeout_id && statusbar->temp_severity > severity)
return FALSE;
/* we can only handle short one-liners */
layout = gtk_widget_create_pango_layout (statusbar->label, message);
stock_id = gimp_get_message_stock_id (severity);
if (pango_layout_get_line_count (layout) == 1)
{
GtkAllocation label_allocation;
gint width;
gtk_widget_get_allocation (statusbar->label, &label_allocation);
pango_layout_get_pixel_size (layout, &width, NULL);
if (width < label_allocation.width)
{
if (stock_id)
{
GdkPixbuf *pixbuf;
pixbuf = gtk_widget_render_icon (statusbar->label, stock_id,
GTK_ICON_SIZE_MENU, NULL);
width += ICON_SPACING + gdk_pixbuf_get_width (pixbuf);
g_object_unref (pixbuf);
handle_msg = (width < label_allocation.width);
}
else
{
handle_msg = TRUE;
}
}
}
g_object_unref (layout);
if (handle_msg)
gimp_statusbar_push_temp (statusbar, severity, stock_id, "%s", message);
return handle_msg;
}
static void
gimp_statusbar_progress_canceled (GtkWidget *button,
GimpStatusbar *statusbar)
{
if (statusbar->progress_active)
gimp_progress_cancel (GIMP_PROGRESS (statusbar));
}
static void
gimp_statusbar_set_text (GimpStatusbar *statusbar,
const gchar *stock_id,
const gchar *text)
{
if (statusbar->progress_active)
{
gtk_progress_bar_set_text (GTK_PROGRESS_BAR (statusbar->progressbar),
text);
}
else
{
if (statusbar->icon)
g_object_unref (statusbar->icon);
if (stock_id)
statusbar->icon = gtk_widget_render_icon (statusbar->label,
stock_id,
GTK_ICON_SIZE_MENU, NULL);
else
statusbar->icon = NULL;
if (statusbar->icon)
{
PangoAttrList *attrs;
PangoAttribute *attr;
PangoRectangle rect;
gchar *tmp;
tmp = g_strconcat (" ", text, NULL);
gtk_label_set_text (GTK_LABEL (statusbar->label), tmp);
g_free (tmp);
rect.x = 0;
rect.y = 0;
rect.width = PANGO_SCALE * (gdk_pixbuf_get_width (statusbar->icon) +
ICON_SPACING);
rect.height = 0;
attrs = pango_attr_list_new ();
attr = pango_attr_shape_new (&rect, &rect);
attr->start_index = 0;
attr->end_index = 1;
pango_attr_list_insert (attrs, attr);
gtk_label_set_attributes (GTK_LABEL (statusbar->label), attrs);
pango_attr_list_unref (attrs);
}
else
{
gtk_label_set_text (GTK_LABEL (statusbar->label), text);
gtk_label_set_attributes (GTK_LABEL (statusbar->label), NULL);
}
}
}
static void
gimp_statusbar_update (GimpStatusbar *statusbar)
{
GimpStatusbarMsg *msg = NULL;
if (statusbar->messages)
{
msg = statusbar->messages->data;
/* only allow progress messages while the progress is active */
if (statusbar->progress_active)
{
guint context_id = gimp_statusbar_get_context_id (statusbar,
"progress");
if (context_id != msg->context_id)
return;
}
}
if (msg && msg->text)
{
gimp_statusbar_set_text (statusbar, msg->stock_id, msg->text);
}
else
{
gimp_statusbar_set_text (statusbar, NULL, "");
}
}
/* public functions */
GtkWidget *
gimp_statusbar_new (void)
{
return g_object_new (GIMP_TYPE_STATUSBAR, NULL);
}
void
gimp_statusbar_set_shell (GimpStatusbar *statusbar,
GimpDisplayShell *shell)
{
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (shell == statusbar->shell)
return;
if (statusbar->shell)
{
g_signal_handlers_disconnect_by_func (statusbar->shell,
gimp_statusbar_shell_scaled,
statusbar);
g_signal_handlers_disconnect_by_func (statusbar->shell,
gimp_statusbar_shell_status_notify,
statusbar);
}
statusbar->shell = shell;
g_signal_connect_object (statusbar->shell, "scaled",
G_CALLBACK (gimp_statusbar_shell_scaled),
statusbar, 0);
g_signal_connect_object (statusbar->shell, "notify::status",
G_CALLBACK (gimp_statusbar_shell_status_notify),
statusbar, 0);
}
gboolean
gimp_statusbar_get_visible (GimpStatusbar *statusbar)
{
g_return_val_if_fail (GIMP_IS_STATUSBAR (statusbar), FALSE);
if (statusbar->progress_shown)
return FALSE;
return gtk_widget_get_visible (GTK_WIDGET (statusbar));
}
void
gimp_statusbar_set_visible (GimpStatusbar *statusbar,
gboolean visible)
{
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
if (statusbar->progress_shown)
{
if (visible)
{
statusbar->progress_shown = FALSE;
return;
}
}
gtk_widget_set_visible (GTK_WIDGET (statusbar), visible);
}
void
gimp_statusbar_empty (GimpStatusbar *statusbar)
{
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
gtk_widget_hide (statusbar->cursor_label);
gtk_widget_hide (statusbar->unit_combo);
gtk_widget_hide (statusbar->scale_combo);
}
void
gimp_statusbar_fill (GimpStatusbar *statusbar)
{
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
gtk_widget_show (statusbar->cursor_label);
gtk_widget_show (statusbar->unit_combo);
gtk_widget_show (statusbar->scale_combo);
}
void
gimp_statusbar_override_window_title (GimpStatusbar *statusbar)
{
GtkWidget *toplevel;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (statusbar));
if (gimp_image_window_is_iconified (GIMP_IMAGE_WINDOW (toplevel)))
{
const gchar *message = gimp_statusbar_peek (statusbar, "progress");
if (message)
gtk_window_set_title (GTK_WINDOW (toplevel), message);
}
}
void
gimp_statusbar_restore_window_title (GimpStatusbar *statusbar)
{
GtkWidget *toplevel;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (statusbar));
if (gimp_image_window_is_iconified (GIMP_IMAGE_WINDOW (toplevel)))
{
g_object_notify (G_OBJECT (statusbar->shell), "title");
}
}
void
gimp_statusbar_push (GimpStatusbar *statusbar,
const gchar *context,
const gchar *stock_id,
const gchar *format,
...)
{
va_list args;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (context != NULL);
g_return_if_fail (format != NULL);
va_start (args, format);
gimp_statusbar_push_valist (statusbar, context, stock_id, format, args);
va_end (args);
}
void
gimp_statusbar_push_valist (GimpStatusbar *statusbar,
const gchar *context,
const gchar *stock_id,
const gchar *format,
va_list args)
{
GimpStatusbarMsg *msg;
guint context_id;
GSList *list;
gchar *message;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (context != NULL);
g_return_if_fail (format != NULL);
message = gimp_statusbar_vprintf (format, args);
context_id = gimp_statusbar_get_context_id (statusbar, context);
if (statusbar->messages)
{
msg = statusbar->messages->data;
if (msg->context_id == context_id && strcmp (msg->text, message) == 0)
{
g_free (message);
return;
}
}
for (list = statusbar->messages; list; list = g_slist_next (list))
{
msg = list->data;
if (msg->context_id == context_id)
{
statusbar->messages = g_slist_remove (statusbar->messages, msg);
gimp_statusbar_msg_free (msg);
break;
}
}
msg = g_slice_new (GimpStatusbarMsg);
msg->context_id = context_id;
msg->stock_id = g_strdup (stock_id);
msg->text = message;
if (statusbar->temp_timeout_id)
statusbar->messages = g_slist_insert (statusbar->messages, msg, 1);
else
statusbar->messages = g_slist_prepend (statusbar->messages, msg);
gimp_statusbar_update (statusbar);
}
void
gimp_statusbar_push_coords (GimpStatusbar *statusbar,
const gchar *context,
const gchar *stock_id,
GimpCursorPrecision precision,
const gchar *title,
gdouble x,
const gchar *separator,
gdouble y,
const gchar *help)
{
GimpDisplayShell *shell;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (title != NULL);
g_return_if_fail (separator != NULL);
if (help == NULL)
help = "";
shell = statusbar->shell;
switch (precision)
{
case GIMP_CURSOR_PRECISION_PIXEL_CENTER:
x = (gint) x;
y = (gint) y;
break;
case GIMP_CURSOR_PRECISION_PIXEL_BORDER:
x = RINT (x);
y = RINT (y);
break;
case GIMP_CURSOR_PRECISION_SUBPIXEL:
break;
}
if (shell->unit == GIMP_UNIT_PIXEL)
{
if (precision == GIMP_CURSOR_PRECISION_SUBPIXEL)
{
gimp_statusbar_push (statusbar, context,
stock_id,
statusbar->cursor_format_str_f,
title,
x,
separator,
y,
help);
}
else
{
gimp_statusbar_push (statusbar, context,
stock_id,
statusbar->cursor_format_str,
title,
(gint) RINT (x),
separator,
(gint) RINT (y),
help);
}
}
else /* show real world units */
{
gdouble xres;
gdouble yres;
gimp_image_get_resolution (gimp_display_get_image (shell->display),
&xres, &yres);
gimp_statusbar_push (statusbar, context,
stock_id,
statusbar->cursor_format_str,
title,
gimp_pixels_to_units (x, shell->unit, xres),
separator,
gimp_pixels_to_units (y, shell->unit, yres),
help);
}
}
void
gimp_statusbar_push_length (GimpStatusbar *statusbar,
const gchar *context,
const gchar *stock_id,
const gchar *title,
GimpOrientationType axis,
gdouble value,
const gchar *help)
{
GimpDisplayShell *shell;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (title != NULL);
if (help == NULL)
help = "";
shell = statusbar->shell;
if (shell->unit == GIMP_UNIT_PIXEL)
{
gimp_statusbar_push (statusbar, context,
stock_id,
statusbar->length_format_str,
title,
(gint) RINT (value),
help);
}
else /* show real world units */
{
gdouble xres;
gdouble yres;
gdouble resolution;
gimp_image_get_resolution (gimp_display_get_image (shell->display),
&xres, &yres);
switch (axis)
{
case GIMP_ORIENTATION_HORIZONTAL:
resolution = xres;
break;
case GIMP_ORIENTATION_VERTICAL:
resolution = yres;
break;
default:
g_return_if_reached ();
break;
}
gimp_statusbar_push (statusbar, context,
stock_id,
statusbar->length_format_str,
title,
gimp_pixels_to_units (value, shell->unit, resolution),
help);
}
}
void
gimp_statusbar_replace (GimpStatusbar *statusbar,
const gchar *context,
const gchar *stock_id,
const gchar *format,
...)
{
va_list args;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (context != NULL);
g_return_if_fail (format != NULL);
va_start (args, format);
gimp_statusbar_replace_valist (statusbar, context, stock_id, format, args);
va_end (args);
}
void
gimp_statusbar_replace_valist (GimpStatusbar *statusbar,
const gchar *context,
const gchar *stock_id,
const gchar *format,
va_list args)
{
GimpStatusbarMsg *msg;
GSList *list;
guint context_id;
gchar *message;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (context != NULL);
g_return_if_fail (format != NULL);
message = gimp_statusbar_vprintf (format, args);
context_id = gimp_statusbar_get_context_id (statusbar, context);
for (list = statusbar->messages; list; list = g_slist_next (list))
{
msg = list->data;
if (msg->context_id == context_id)
{
if (strcmp (msg->text, message) == 0)
{
g_free (message);
return;
}
g_free (msg->stock_id);
msg->stock_id = g_strdup (stock_id);
g_free (msg->text);
msg->text = message;
if (list == statusbar->messages)
gimp_statusbar_update (statusbar);
return;
}
}
msg = g_slice_new (GimpStatusbarMsg);
msg->context_id = context_id;
msg->stock_id = g_strdup (stock_id);
msg->text = message;
if (statusbar->temp_timeout_id)
statusbar->messages = g_slist_insert (statusbar->messages, msg, 1);
else
statusbar->messages = g_slist_prepend (statusbar->messages, msg);
gimp_statusbar_update (statusbar);
}
const gchar *
gimp_statusbar_peek (GimpStatusbar *statusbar,
const gchar *context)
{
GSList *list;
guint context_id;
g_return_val_if_fail (GIMP_IS_STATUSBAR (statusbar), NULL);
g_return_val_if_fail (context != NULL, NULL);
context_id = gimp_statusbar_get_context_id (statusbar, context);
for (list = statusbar->messages; list; list = list->next)
{
GimpStatusbarMsg *msg = list->data;
if (msg->context_id == context_id)
{
return msg->text;
}
}
return NULL;
}
void
gimp_statusbar_pop (GimpStatusbar *statusbar,
const gchar *context)
{
GSList *list;
guint context_id;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (context != NULL);
context_id = gimp_statusbar_get_context_id (statusbar, context);
for (list = statusbar->messages; list; list = list->next)
{
GimpStatusbarMsg *msg = list->data;
if (msg->context_id == context_id)
{
statusbar->messages = g_slist_remove (statusbar->messages, msg);
gimp_statusbar_msg_free (msg);
break;
}
}
gimp_statusbar_update (statusbar);
}
void
gimp_statusbar_push_temp (GimpStatusbar *statusbar,
GimpMessageSeverity severity,
const gchar *stock_id,
const gchar *format,
...)
{
va_list args;
va_start (args, format);
gimp_statusbar_push_temp_valist (statusbar, severity, stock_id, format, args);
va_end (args);
}
void
gimp_statusbar_push_temp_valist (GimpStatusbar *statusbar,
GimpMessageSeverity severity,
const gchar *stock_id,
const gchar *format,
va_list args)
{
GimpStatusbarMsg *msg = NULL;
gchar *message;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (severity <= GIMP_MESSAGE_WARNING);
g_return_if_fail (format != NULL);
/* don't accept a message if we are already displaying a more severe one */
if (statusbar->temp_timeout_id && statusbar->temp_severity > severity)
return;
message = gimp_statusbar_vprintf (format, args);
if (statusbar->temp_timeout_id)
g_source_remove (statusbar->temp_timeout_id);
statusbar->temp_timeout_id =
g_timeout_add (MESSAGE_TIMEOUT,
(GSourceFunc) gimp_statusbar_temp_timeout, statusbar);
statusbar->temp_severity = severity;
if (statusbar->messages)
{
msg = statusbar->messages->data;
if (msg->context_id == statusbar->temp_context_id)
{
if (strcmp (msg->text, message) == 0)
{
g_free (message);
return;
}
g_free (msg->stock_id);
msg->stock_id = g_strdup (stock_id);
g_free (msg->text);
msg->text = message;
gimp_statusbar_update (statusbar);
return;
}
}
msg = g_slice_new (GimpStatusbarMsg);
msg->context_id = statusbar->temp_context_id;
msg->stock_id = g_strdup (stock_id);
msg->text = message;
statusbar->messages = g_slist_prepend (statusbar->messages, msg);
gimp_statusbar_update (statusbar);
}
void
gimp_statusbar_pop_temp (GimpStatusbar *statusbar)
{
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
if (statusbar->temp_timeout_id)
{
g_source_remove (statusbar->temp_timeout_id);
statusbar->temp_timeout_id = 0;
}
if (statusbar->messages)
{
GimpStatusbarMsg *msg = statusbar->messages->data;
if (msg->context_id == statusbar->temp_context_id)
{
statusbar->messages = g_slist_remove (statusbar->messages, msg);
gimp_statusbar_msg_free (msg);
gimp_statusbar_update (statusbar);
}
}
}
void
gimp_statusbar_update_cursor (GimpStatusbar *statusbar,
GimpCursorPrecision precision,
gdouble x,
gdouble y)
{
GimpDisplayShell *shell;
GimpImage *image;
gchar buffer[CURSOR_LEN];
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
shell = statusbar->shell;
image = gimp_display_get_image (shell->display);
if (! image ||
x < 0 ||
y < 0 ||
x >= gimp_image_get_width (image) ||
y >= gimp_image_get_height (image))
{
gtk_widget_set_sensitive (statusbar->cursor_label, FALSE);
}
else
{
gtk_widget_set_sensitive (statusbar->cursor_label, TRUE);
}
switch (precision)
{
case GIMP_CURSOR_PRECISION_PIXEL_CENTER:
x = (gint) x;
y = (gint) y;
break;
case GIMP_CURSOR_PRECISION_PIXEL_BORDER:
x = RINT (x);
y = RINT (y);
break;
case GIMP_CURSOR_PRECISION_SUBPIXEL:
break;
}
if (shell->unit == GIMP_UNIT_PIXEL)
{
if (precision == GIMP_CURSOR_PRECISION_SUBPIXEL)
{
g_snprintf (buffer, sizeof (buffer),
statusbar->cursor_format_str_f,
"", x, ", ", y, "");
}
else
{
g_snprintf (buffer, sizeof (buffer),
statusbar->cursor_format_str,
"", (gint) RINT (x), ", ", (gint) RINT (y), "");
}
}
else /* show real world units */
{
GtkTreeModel *model;
GimpUnitStore *store;
model = gtk_combo_box_get_model (GTK_COMBO_BOX (statusbar->unit_combo));
store = GIMP_UNIT_STORE (model);
gimp_unit_store_set_pixel_values (store, x, y);
gimp_unit_store_get_values (store, shell->unit, &x, &y);
g_snprintf (buffer, sizeof (buffer),
statusbar->cursor_format_str,
"", x, ", ", y, "");
}
gtk_label_set_text (GTK_LABEL (statusbar->cursor_label), buffer);
}
void
gimp_statusbar_clear_cursor (GimpStatusbar *statusbar)
{
gtk_label_set_text (GTK_LABEL (statusbar->cursor_label), "");
gtk_widget_set_sensitive (statusbar->cursor_label, TRUE);
}
/* private functions */
static gboolean
gimp_statusbar_label_expose (GtkWidget *widget,
GdkEventExpose *event,
GimpStatusbar *statusbar)
{
if (statusbar->icon)
{
cairo_t *cr;
PangoRectangle rect;
gint x, y;
cr = gdk_cairo_create (event->window);
gdk_cairo_region (cr, event->region);
cairo_clip (cr);
gtk_label_get_layout_offsets (GTK_LABEL (widget), &x, &y);
pango_layout_index_to_pos (gtk_label_get_layout (GTK_LABEL (widget)), 0,
&rect);
/* the rectangle width is negative when rendering right-to-left */
x += PANGO_PIXELS (rect.x) + (rect.width < 0 ?
PANGO_PIXELS (rect.width) : 0);
y += PANGO_PIXELS (rect.y);
gdk_cairo_set_source_pixbuf (cr, statusbar->icon, x, y);
cairo_paint (cr);
cairo_destroy (cr);
}
return FALSE;
}
static void
gimp_statusbar_shell_scaled (GimpDisplayShell *shell,
GimpStatusbar *statusbar)
{
static PangoLayout *layout = NULL;
GimpImage *image = gimp_display_get_image (shell->display);
GtkTreeModel *model;
const gchar *text;
gint image_width;
gint image_height;
gdouble image_xres;
gdouble image_yres;
gint width;
if (image)
{
image_width = gimp_image_get_width (image);
image_height = gimp_image_get_height (image);
gimp_image_get_resolution (image, &image_xres, &image_yres);
}
else
{
image_width = shell->disp_width;
image_height = shell->disp_height;
image_xres = shell->display->config->monitor_xres;
image_yres = shell->display->config->monitor_yres;
}
g_signal_handlers_block_by_func (statusbar->scale_combo,
gimp_statusbar_scale_changed, statusbar);
gimp_scale_combo_box_set_scale (GIMP_SCALE_COMBO_BOX (statusbar->scale_combo),
gimp_zoom_model_get_factor (shell->zoom));
g_signal_handlers_unblock_by_func (statusbar->scale_combo,
gimp_statusbar_scale_changed, statusbar);
model = gtk_combo_box_get_model (GTK_COMBO_BOX (statusbar->unit_combo));
gimp_unit_store_set_resolutions (GIMP_UNIT_STORE (model),
image_xres, image_yres);
g_signal_handlers_block_by_func (statusbar->unit_combo,
gimp_statusbar_unit_changed, statusbar);
gimp_unit_combo_box_set_active (GIMP_UNIT_COMBO_BOX (statusbar->unit_combo),
shell->unit);
g_signal_handlers_unblock_by_func (statusbar->unit_combo,
gimp_statusbar_unit_changed, statusbar);
if (shell->unit == GIMP_UNIT_PIXEL)
{
g_snprintf (statusbar->cursor_format_str,
sizeof (statusbar->cursor_format_str),
"%%s%%d%%s%%d%%s");
g_snprintf (statusbar->cursor_format_str_f,
sizeof (statusbar->cursor_format_str_f),
"%%s%%.1f%%s%%.1f%%s");
g_snprintf (statusbar->length_format_str,
sizeof (statusbar->length_format_str),
"%%s%%d%%s");
}
else /* show real world units */
{
g_snprintf (statusbar->cursor_format_str,
sizeof (statusbar->cursor_format_str),
"%%s%%.%df%%s%%.%df%%s",
gimp_unit_get_digits (shell->unit),
gimp_unit_get_digits (shell->unit));
strcpy (statusbar->cursor_format_str_f, statusbar->cursor_format_str);
g_snprintf (statusbar->length_format_str,
sizeof (statusbar->length_format_str),
"%%s%%.%df%%s",
gimp_unit_get_digits (shell->unit));
}
gimp_statusbar_update_cursor (statusbar, GIMP_CURSOR_PRECISION_SUBPIXEL,
-image_width, -image_height);
text = gtk_label_get_text (GTK_LABEL (statusbar->cursor_label));
/* one static layout for all displays should be fine */
if (! layout)
layout = gtk_widget_create_pango_layout (statusbar->cursor_label, NULL);
pango_layout_set_text (layout, text, -1);
pango_layout_get_pixel_size (layout, &width, NULL);
gtk_widget_set_size_request (statusbar->cursor_label, width, -1);
gimp_statusbar_clear_cursor (statusbar);
}
static void
gimp_statusbar_shell_status_notify (GimpDisplayShell *shell,
const GParamSpec *pspec,
GimpStatusbar *statusbar)
{
gimp_statusbar_replace (statusbar, "title",
NULL, "%s", shell->status);
}
static void
gimp_statusbar_unit_changed (GimpUnitComboBox *combo,
GimpStatusbar *statusbar)
{
gimp_display_shell_set_unit (statusbar->shell,
gimp_unit_combo_box_get_active (combo));
}
static void
gimp_statusbar_scale_changed (GimpScaleComboBox *combo,
GimpStatusbar *statusbar)
{
gimp_display_shell_scale (statusbar->shell,
GIMP_ZOOM_TO,
gimp_scale_combo_box_get_scale (combo),
GIMP_ZOOM_FOCUS_BEST_GUESS);
}
static void
gimp_statusbar_scale_activated (GimpScaleComboBox *combo,
GimpStatusbar *statusbar)
{
gtk_widget_grab_focus (statusbar->shell->canvas);
}
static guint
gimp_statusbar_get_context_id (GimpStatusbar *statusbar,
const gchar *context)
{
guint id = GPOINTER_TO_UINT (g_hash_table_lookup (statusbar->context_ids,
context));
if (! id)
{
id = statusbar->seq_context_id++;
g_hash_table_insert (statusbar->context_ids,
g_strdup (context), GUINT_TO_POINTER (id));
}
return id;
}
static gboolean
gimp_statusbar_temp_timeout (GimpStatusbar *statusbar)
{
gimp_statusbar_pop_temp (statusbar);
statusbar->temp_timeout_id = 0;
return FALSE;
}
static void
gimp_statusbar_msg_free (GimpStatusbarMsg *msg)
{
g_free (msg->stock_id);
g_free (msg->text);
g_slice_free (GimpStatusbarMsg, msg);
}
static gchar *
gimp_statusbar_vprintf (const gchar *format,
va_list args)
{
gchar *message;
gchar *newline;
message = g_strdup_vprintf (format, args);
/* guard us from multi-line strings */
newline = strchr (message, '\r');
if (newline)
*newline = '\0';
newline = strchr (message, '\n');
if (newline)
*newline = '\0';
return message;
}
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