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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 <https://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/gimpuimanager.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
/* minimal interval (in microseconds) between progress updates */
#define MIN_PROGRESS_UPDATE_INTERVAL 50000
typedef struct _GimpStatusbarMsg GimpStatusbarMsg;
struct _GimpStatusbarMsg
{
guint context_id;
gchar *icon_name;
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_screen_changed (GtkWidget *widget,
GdkScreen *previous);
static void gimp_statusbar_style_updated (GtkWidget *widget);
static GimpProgress *
gimp_statusbar_progress_start (GimpProgress *progress,
gboolean cancellable,
const gchar *message);
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_draw (GtkWidget *widget,
cairo_t *cr,
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 gboolean gimp_statusbar_rotate_pressed (GtkWidget *event_box,
GdkEvent *event,
GimpStatusbar *statusbar);
static gboolean gimp_statusbar_horiz_flip_pressed (GtkWidget *event_box,
GdkEvent *event,
GimpStatusbar *statusbar);
static gboolean gimp_statusbar_vert_flip_pressed (GtkWidget *event_box,
GdkEvent *event,
GimpStatusbar *statusbar);
static void gimp_statusbar_shell_scaled (GimpDisplayShell *shell,
GimpStatusbar *statusbar);
static void gimp_statusbar_shell_rotated (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_add_size_widget (GimpStatusbar *statusbar,
GtkWidget *widget);
static void gimp_statusbar_update_size (GimpStatusbar *statusbar);
static void gimp_statusbar_add_message (GimpStatusbar *statusbar,
guint context_id,
const gchar *icon_name,
const gchar *format,
va_list args,
gboolean move_to_front) G_GNUC_PRINTF (4, 0);
static void gimp_statusbar_remove_message (GimpStatusbar *statusbar,
guint context_id);
static void gimp_statusbar_msg_free (GimpStatusbarMsg *msg);
static gchar * gimp_statusbar_vprintf (const gchar *format,
va_list args) G_GNUC_PRINTF (1, 0);
static GdkPixbuf * gimp_statusbar_load_icon (GimpStatusbar *statusbar,
const gchar *icon_name);
G_DEFINE_TYPE_WITH_CODE (GimpStatusbar, gimp_statusbar, GTK_TYPE_FRAME,
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);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->dispose = gimp_statusbar_dispose;
object_class->finalize = gimp_statusbar_finalize;
widget_class->screen_changed = gimp_statusbar_screen_changed;
widget_class->style_updated = gimp_statusbar_style_updated;
gtk_widget_class_set_css_name (widget_class, "statusbar");
}
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 *hbox2;
GtkWidget *image;
GtkWidget *label;
GimpUnitStore *store;
gtk_frame_set_shadow_type (GTK_FRAME (statusbar), GTK_SHADOW_IN);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, HBOX_SPACING);
gtk_container_add (GTK_CONTAINER (statusbar), hbox);
gtk_widget_show (hbox);
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;
statusbar->cursor_label = gtk_label_new ("8888, 8888");
gimp_statusbar_add_size_widget (statusbar, statusbar->cursor_label);
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);
/* see issue #2642 */
gtk_combo_box_set_wrap_width (GTK_COMBO_BOX (statusbar->unit_combo), 1);
gtk_widget_set_can_focus (statusbar->unit_combo, FALSE);
g_object_set (statusbar->unit_combo, "focus-on-click", FALSE, NULL);
gimp_statusbar_add_size_widget (statusbar, statusbar->unit_combo);
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);
gimp_statusbar_add_size_widget (statusbar, statusbar->scale_combo);
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);
/* Shell transform status */
statusbar->rotate_widget = gtk_event_box_new ();
gimp_statusbar_add_size_widget (statusbar, statusbar->rotate_widget);
gtk_box_pack_start (GTK_BOX (hbox), statusbar->rotate_widget,
FALSE, FALSE, 1);
gtk_widget_show (statusbar->rotate_widget);
statusbar->rotate_label = gtk_label_new (NULL);
gtk_container_add (GTK_CONTAINER (statusbar->rotate_widget),
statusbar->rotate_label);
gtk_widget_show (statusbar->rotate_label);
g_signal_connect (statusbar->rotate_widget, "button-press-event",
G_CALLBACK (gimp_statusbar_rotate_pressed),
statusbar);
statusbar->horizontal_flip_icon = gtk_event_box_new ();
gimp_statusbar_add_size_widget (statusbar, statusbar->horizontal_flip_icon);
gtk_box_pack_start (GTK_BOX (hbox), statusbar->horizontal_flip_icon,
FALSE, FALSE, 1);
gtk_widget_show (statusbar->horizontal_flip_icon);
image = gtk_image_new_from_icon_name ("object-flip-horizontal",
GTK_ICON_SIZE_MENU);
gtk_container_add (GTK_CONTAINER (statusbar->horizontal_flip_icon), image);
gtk_widget_show (image);
g_signal_connect (statusbar->horizontal_flip_icon, "button-press-event",
G_CALLBACK (gimp_statusbar_horiz_flip_pressed),
statusbar);
statusbar->vertical_flip_icon = gtk_event_box_new ();
gimp_statusbar_add_size_widget (statusbar, statusbar->vertical_flip_icon);
gtk_box_pack_start (GTK_BOX (hbox), statusbar->vertical_flip_icon,
FALSE, FALSE, 1);
gtk_widget_show (statusbar->vertical_flip_icon);
image = gtk_image_new_from_icon_name ("object-flip-vertical",
GTK_ICON_SIZE_MENU);
gtk_container_add (GTK_CONTAINER (statusbar->vertical_flip_icon), image);
gtk_widget_show (image);
g_signal_connect (statusbar->vertical_flip_icon, "button-press-event",
G_CALLBACK (gimp_statusbar_vert_flip_pressed),
statusbar);
statusbar->label = gtk_label_new ("");
gtk_label_set_ellipsize (GTK_LABEL (statusbar->label), PANGO_ELLIPSIZE_END);
gtk_label_set_justify (GTK_LABEL (statusbar->label), GTK_JUSTIFY_LEFT);
gtk_widget_set_halign (statusbar->label, GTK_ALIGN_START);
gimp_statusbar_add_size_widget (statusbar, statusbar->label);
gtk_box_pack_start (GTK_BOX (hbox), statusbar->label, TRUE, TRUE, 1);
gtk_widget_show (statusbar->label);
g_signal_connect_after (statusbar->label, "draw",
G_CALLBACK (gimp_statusbar_label_draw),
statusbar);
statusbar->progressbar = g_object_new (GTK_TYPE_PROGRESS_BAR,
"show-text", TRUE,
"ellipsize", PANGO_ELLIPSIZE_END,
NULL);
gimp_statusbar_add_size_widget (statusbar, statusbar->progressbar);
gtk_box_pack_start (GTK_BOX (hbox), statusbar->progressbar,
TRUE, TRUE, 0);
/* don't show the progress bar */
/* construct the cancel button's contents manually because we
* always want image and label regardless of settings, and we want
* a menu size image.
*/
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);
gimp_statusbar_add_size_widget (statusbar, statusbar->cancel_button);
gtk_box_pack_end (GTK_BOX (hbox), statusbar->cancel_button,
FALSE, FALSE, 0);
/* don't show the cancel button */
hbox2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
gtk_container_add (GTK_CONTAINER (statusbar->cancel_button), hbox2);
gtk_widget_show (hbox2);
image = gtk_image_new_from_icon_name ("gtk-cancel", GTK_ICON_SIZE_MENU);
gtk_box_pack_start (GTK_BOX (hbox2), image, FALSE, FALSE, 2);
gtk_widget_show (image);
label = gtk_label_new ("Cancel");
gtk_box_pack_start (GTK_BOX (hbox2), label, FALSE, FALSE, 2);
gtk_widget_show (label);
g_signal_connect (statusbar->cancel_button, "clicked",
G_CALLBACK (gimp_statusbar_progress_canceled),
statusbar);
gimp_statusbar_update_size (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_clear_pointer (&statusbar->size_widgets, g_slist_free);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_statusbar_finalize (GObject *object)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (object);
g_clear_object (&statusbar->icon);
g_clear_pointer (&statusbar->icon_hash, g_hash_table_unref);
g_slist_free_full (statusbar->messages,
(GDestroyNotify) gimp_statusbar_msg_free);
statusbar->messages = NULL;
g_clear_pointer (&statusbar->context_ids, g_hash_table_destroy);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_statusbar_screen_changed (GtkWidget *widget,
GdkScreen *previous)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (widget);
if (GTK_WIDGET_CLASS (parent_class)->screen_changed)
GTK_WIDGET_CLASS (parent_class)->screen_changed (widget, previous);
g_clear_pointer (&statusbar->icon_hash, g_hash_table_unref);
}
static void
gimp_statusbar_style_updated (GtkWidget *widget)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (widget);
PangoLayout *layout;
GTK_WIDGET_CLASS (parent_class)->style_updated (widget);
g_clear_pointer (&statusbar->icon_hash, g_hash_table_unref);
layout = gtk_widget_create_pango_layout (widget, " ");
pango_layout_get_pixel_size (layout, &statusbar->icon_space_width, NULL);
g_object_unref (layout);
gimp_statusbar_update_size (statusbar);
}
static GimpProgress *
gimp_statusbar_progress_start (GimpProgress *progress,
gboolean cancellable,
const gchar *message)
{
GimpStatusbar *statusbar = GIMP_STATUSBAR (progress);
if (! statusbar->progress_active)
{
GtkWidget *bar = statusbar->progressbar;
statusbar->progress_active = TRUE;
statusbar->progress_value = 0.0;
statusbar->progress_last_update_time = g_get_monotonic_time ();
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, cancellable);
if (cancellable)
{
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);
if (! gtk_widget_get_visible (GTK_WIDGET (statusbar)))
{
gtk_widget_show (GTK_WIDGET (statusbar));
statusbar->progress_shown = TRUE;
}
gimp_widget_flush_expose ();
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)
{
gimp_statusbar_replace (statusbar, "progress", NULL, "%s", message);
gimp_widget_flush_expose ();
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)
{
guint64 time = g_get_monotonic_time ();
if (time - statusbar->progress_last_update_time >=
MIN_PROGRESS_UPDATE_INTERVAL)
{
GtkWidget *bar = statusbar->progressbar;
GtkAllocation allocation;
gdouble diff;
gtk_widget_get_allocation (bar, &allocation);
statusbar->progress_value = percentage;
diff = fabs (percentage -
gtk_progress_bar_get_fraction (GTK_PROGRESS_BAR (bar)));
/* only update the progress bar if this causes a visible change */
if (allocation.width * diff >= 1.0)
{
statusbar->progress_last_update_time = time;
gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (bar),
percentage);
gimp_widget_flush_expose ();
}
}
}
}
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)
{
guint64 time = g_get_monotonic_time ();
if (time - statusbar->progress_last_update_time >=
MIN_PROGRESS_UPDATE_INTERVAL)
{
GtkWidget *bar = statusbar->progressbar;
statusbar->progress_last_update_time = time;
gtk_progress_bar_pulse (GTK_PROGRESS_BAR (bar));
gimp_widget_flush_expose ();
}
}
}
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 *icon_name;
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);
icon_name = gimp_get_message_icon_name (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 (icon_name)
{
GdkPixbuf *pixbuf;
gint scale_factor;
pixbuf = gimp_statusbar_load_icon (statusbar, icon_name);
scale_factor = gtk_widget_get_scale_factor (GTK_WIDGET (statusbar));
width += ICON_SPACING + gdk_pixbuf_get_width (pixbuf) / scale_factor;
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, icon_name, "%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 *icon_name,
const gchar *text)
{
if (statusbar->progress_active)
{
gtk_progress_bar_set_text (GTK_PROGRESS_BAR (statusbar->progressbar),
text);
}
else
{
g_clear_object (&statusbar->icon);
if (icon_name)
statusbar->icon = gimp_statusbar_load_icon (statusbar, icon_name);
if (statusbar->icon)
{
gchar *tmp;
gint scale_factor;
gint n_spaces;
gchar spaces[] = " ";
scale_factor = gtk_widget_get_scale_factor (GTK_WIDGET (statusbar));
/* Make sure icon_space_width has been initialized to avoid a
* division by zero.
*/
if (statusbar->icon_space_width == 0)
gimp_statusbar_style_updated (GTK_WIDGET (statusbar));
g_return_if_fail (statusbar->icon_space_width != 0);
/* prepend enough spaces for the icon plus one space */
n_spaces = (gdk_pixbuf_get_width (statusbar->icon) / scale_factor +
ICON_SPACING) / statusbar->icon_space_width;
n_spaces++;
tmp = g_strconcat (spaces + strlen (spaces) - n_spaces, text, NULL);
gtk_label_set_text (GTK_LABEL (statusbar->label), tmp);
g_free (tmp);
}
else
{
gtk_label_set_text (GTK_LABEL (statusbar->label), text);
}
}
}
static void
gimp_statusbar_update (GimpStatusbar *statusbar)
{
GimpStatusbarMsg *msg = NULL;
if (statusbar->messages)
msg = statusbar->messages->data;
if (msg && msg->text)
{
gimp_statusbar_set_text (statusbar, msg->icon_name, 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_rotated,
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, "rotated",
G_CALLBACK (gimp_statusbar_shell_rotated),
statusbar, 0);
g_signal_connect_object (statusbar->shell, "notify::status",
G_CALLBACK (gimp_statusbar_shell_status_notify),
statusbar, 0);
gimp_statusbar_shell_rotated (shell, statusbar);
}
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);
gtk_widget_hide (statusbar->rotate_widget);
gtk_widget_hide (statusbar->horizontal_flip_icon);
gtk_widget_hide (statusbar->vertical_flip_icon);
}
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);
gtk_widget_show (statusbar->rotate_widget);
gimp_statusbar_shell_rotated (statusbar->shell, statusbar);
}
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 *icon_name,
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, icon_name, format, args);
va_end (args);
}
void
gimp_statusbar_push_valist (GimpStatusbar *statusbar,
const gchar *context,
const gchar *icon_name,
const gchar *format,
va_list args)
{
guint context_id;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (context != NULL);
g_return_if_fail (format != NULL);
context_id = gimp_statusbar_get_context_id (statusbar, context);
gimp_statusbar_add_message (statusbar,
context_id,
icon_name, format, args,
/* move_to_front = */ TRUE);
}
void
gimp_statusbar_push_coords (GimpStatusbar *statusbar,
const gchar *context,
const gchar *icon_name,
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,
icon_name,
statusbar->cursor_format_str_f,
title,
x,
separator,
y,
help);
}
else
{
gimp_statusbar_push (statusbar, context,
icon_name,
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,
icon_name,
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 *icon_name,
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,
icon_name,
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,
icon_name,
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 *icon_name,
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, icon_name, format, args);
va_end (args);
}
void
gimp_statusbar_replace_valist (GimpStatusbar *statusbar,
const gchar *context,
const gchar *icon_name,
const gchar *format,
va_list args)
{
guint context_id;
g_return_if_fail (GIMP_IS_STATUSBAR (statusbar));
g_return_if_fail (context != NULL);
g_return_if_fail (format != NULL);
context_id = gimp_statusbar_get_context_id (statusbar, context);
gimp_statusbar_add_message (statusbar,
context_id,
icon_name, format, args,
/* move_to_front = */ FALSE);
}
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)
{
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);
gimp_statusbar_remove_message (statusbar,
context_id);
}
void
gimp_statusbar_push_temp (GimpStatusbar *statusbar,
GimpMessageSeverity severity,
const gchar *icon_name,
const gchar *format,
...)
{
va_list args;
va_start (args, format);
gimp_statusbar_push_temp_valist (statusbar, severity, icon_name, format, args);
va_end (args);
}
void
gimp_statusbar_push_temp_valist (GimpStatusbar *statusbar,
GimpMessageSeverity severity,
const gchar *icon_name,
const gchar *format,
va_list args)
{
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;
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;
gimp_statusbar_add_message (statusbar,
statusbar->temp_context_id,
icon_name, format, args,
/* move_to_front = */ TRUE);
if (severity >= GIMP_MESSAGE_WARNING)
gimp_widget_blink (statusbar->label);
}
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;
gimp_statusbar_remove_message (statusbar,
statusbar->temp_context_id);
}
}
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_draw (GtkWidget *widget,
cairo_t *cr,
GimpStatusbar *statusbar)
{
if (statusbar->icon)
{
cairo_surface_t *surface;
PangoRectangle rect;
GtkAllocation allocation;
gint scale_factor;
gint x, y;
gtk_label_get_layout_offsets (GTK_LABEL (widget), &x, &y);
gtk_widget_get_allocation (widget, &allocation);
x -= allocation.x;
y -= allocation.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);
scale_factor = gtk_widget_get_scale_factor (widget);
surface = gdk_cairo_surface_create_from_pixbuf (statusbar->icon,
scale_factor, NULL);
cairo_set_source_surface (cr, surface, x, y);
cairo_surface_destroy (surface);
cairo_paint (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 */
{
gint w_digits;
gint h_digits;
w_digits = gimp_unit_get_scaled_digits (shell->unit, image_xres);
h_digits = gimp_unit_get_scaled_digits (shell->unit, image_yres);
g_snprintf (statusbar->cursor_format_str,
sizeof (statusbar->cursor_format_str),
"%%s%%.%df%%s%%.%df%%s",
w_digits, h_digits);
strcpy (statusbar->cursor_format_str_f, statusbar->cursor_format_str);
g_snprintf (statusbar->length_format_str,
sizeof (statusbar->length_format_str),
"%%s%%.%df%%s", MAX (w_digits, h_digits));
}
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_rotated (GimpDisplayShell *shell,
GimpStatusbar *statusbar)
{
if (shell->rotate_angle != 0.0)
{
/* Degree symbol U+00B0. There are no spaces between the value and the
* unit for angular rotation.
*/
gchar *text = g_strdup_printf (" %.2f\xC2\xB0", shell->rotate_angle);
gtk_label_set_text (GTK_LABEL (statusbar->rotate_label), text);
g_free (text);
gtk_widget_show (statusbar->rotate_widget);
}
else
{
gtk_widget_hide (statusbar->rotate_widget);
}
if (shell->flip_horizontally)
gtk_widget_show (statusbar->horizontal_flip_icon);
else
gtk_widget_hide (statusbar->horizontal_flip_icon);
if (shell->flip_vertically)
gtk_widget_show (statusbar->vertical_flip_icon);
else
gtk_widget_hide (statusbar->vertical_flip_icon);
}
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 gboolean
gimp_statusbar_rotate_pressed (GtkWidget *event_box,
GdkEvent *event,
GimpStatusbar *statusbar)
{
GimpImageWindow *window = gimp_display_shell_get_window (statusbar->shell);
GimpUIManager *manager = gimp_image_window_get_ui_manager (window);
gimp_ui_manager_activate_action (manager, "view", "view-rotate-other");
return FALSE;
}
static gboolean
gimp_statusbar_horiz_flip_pressed (GtkWidget *event_box,
GdkEvent *event,
GimpStatusbar *statusbar)
{
GimpImageWindow *window = gimp_display_shell_get_window (statusbar->shell);
GimpUIManager *manager = gimp_image_window_get_ui_manager (window);
gimp_ui_manager_activate_action (manager, "view", "view-flip-horizontally");
return FALSE;
}
static gboolean
gimp_statusbar_vert_flip_pressed (GtkWidget *event_box,
GdkEvent *event,
GimpStatusbar *statusbar)
{
GimpImageWindow *window = gimp_display_shell_get_window (statusbar->shell);
GimpUIManager *manager = gimp_image_window_get_ui_manager (window);
gimp_ui_manager_activate_action (manager, "view", "view-flip-vertically");
return FALSE;
}
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);
return FALSE;
}
static void
gimp_statusbar_add_size_widget (GimpStatusbar *statusbar,
GtkWidget *widget)
{
statusbar->size_widgets = g_slist_prepend (statusbar->size_widgets, widget);
}
static void
gimp_statusbar_update_size (GimpStatusbar *statusbar)
{
GSList *iter;
gint height = -1;
for (iter = statusbar->size_widgets; iter; iter = g_slist_next (iter))
{
GtkWidget *widget = iter->data;
gint natural_height;
gboolean visible;
visible = gtk_widget_get_visible (widget);
gtk_widget_set_visible (widget, TRUE);
gtk_widget_get_preferred_height (widget, NULL, &natural_height);
gtk_widget_set_visible (widget, visible);
height = MAX (height, natural_height);
}
gtk_widget_set_size_request (GTK_WIDGET (statusbar), -1, height);
}
static void
gimp_statusbar_add_message (GimpStatusbar *statusbar,
guint context_id,
const gchar *icon_name,
const gchar *format,
va_list args,
gboolean move_to_front)
{
gchar *message;
GSList *list;
GimpStatusbarMsg *msg;
gint position;
message = gimp_statusbar_vprintf (format, args);
for (list = statusbar->messages; list; list = g_slist_next (list))
{
msg = list->data;
if (msg->context_id == context_id)
{
gboolean is_front_message = (list == statusbar->messages);
if ((is_front_message || ! move_to_front) &&
strcmp (msg->text, message) == 0 &&
g_strcmp0 (msg->icon_name, icon_name) == 0)
{
g_free (message);
return;
}
if (move_to_front)
{
statusbar->messages = g_slist_remove (statusbar->messages, msg);
gimp_statusbar_msg_free (msg);
break;
}
else
{
g_free (msg->icon_name);
msg->icon_name = g_strdup (icon_name);
g_free (msg->text);
msg->text = message;
if (is_front_message)
gimp_statusbar_update (statusbar);
return;
}
}
}
msg = g_slice_new (GimpStatusbarMsg);
msg->context_id = context_id;
msg->icon_name = g_strdup (icon_name);
msg->text = message;
/* find the position at which to insert the new message */
position = 0;
/* progress messages are always at the front of the list */
if (! (statusbar->progress_active &&
context_id == gimp_statusbar_get_context_id (statusbar, "progress")))
{
if (statusbar->progress_active)
position++;
/* temporary messages are in front of all other non-progress messages */
if (statusbar->temp_timeout_id &&
context_id != statusbar->temp_context_id)
position++;
}
statusbar->messages = g_slist_insert (statusbar->messages, msg, position);
if (position == 0)
gimp_statusbar_update (statusbar);
}
static void
gimp_statusbar_remove_message (GimpStatusbar *statusbar,
guint context_id)
{
GSList *list;
gboolean needs_update = FALSE;
for (list = statusbar->messages; list; list = g_slist_next (list))
{
GimpStatusbarMsg *msg = list->data;
if (msg->context_id == context_id)
{
needs_update = (list == statusbar->messages);
statusbar->messages = g_slist_remove (statusbar->messages, msg);
gimp_statusbar_msg_free (msg);
break;
}
}
if (needs_update)
gimp_statusbar_update (statusbar);
}
static void
gimp_statusbar_msg_free (GimpStatusbarMsg *msg)
{
g_free (msg->icon_name);
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;
}
static GdkPixbuf *
gimp_statusbar_load_icon (GimpStatusbar *statusbar,
const gchar *icon_name)
{
GdkPixbuf *icon;
if (G_UNLIKELY (! statusbar->icon_hash))
{
statusbar->icon_hash =
g_hash_table_new_full (g_str_hash,
g_str_equal,
(GDestroyNotify) g_free,
(GDestroyNotify) g_object_unref);
}
icon = g_hash_table_lookup (statusbar->icon_hash, icon_name);
if (icon)
return g_object_ref (icon);
icon = gimp_widget_load_icon (statusbar->label, icon_name, 16);
/* this is not optimal but so what */
if (g_hash_table_size (statusbar->icon_hash) > 16)
g_hash_table_remove_all (statusbar->icon_hash);
g_hash_table_insert (statusbar->icon_hash,
g_strdup (icon_name), g_object_ref (icon));
return icon;
}
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