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Diffstat (limited to '')
| -rw-r--r-- | app/display/gimpstatusbar.c | 1750 |
1 files changed, 1750 insertions, 0 deletions
diff --git a/app/display/gimpstatusbar.c b/app/display/gimpstatusbar.c new file mode 100644 index 0000000..2a2648f --- /dev/null +++ b/app/display/gimpstatusbar.c @@ -0,0 +1,1750 @@ +/* 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 + +/* width/height of the statusbar icon rect */ +#define ICON_SIZE 16 + +/* 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_set (GtkWidget *widget, + GtkStyle *prev_style); + +static void gimp_statusbar_hbox_size_request (GtkWidget *widget, + GtkRequisition *requisition, + GimpStatusbar *statusbar); + +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_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 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_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_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); + 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_set = gimp_statusbar_style_set; +} + +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; + 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_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); + 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); + + /* Shell transform status */ + statusbar->rotate_widget = gtk_event_box_new (); + 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 (); + 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 ("gimp-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 (); + 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 ("gimp-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); + + /* 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 */ + + /* 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); + 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); +} + +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); + + 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_set (GtkWidget *widget, + GtkStyle *prev_style) +{ + GimpStatusbar *statusbar = GIMP_STATUSBAR (widget); + + GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style); + + g_clear_pointer (&statusbar->icon_hash, g_hash_table_unref); +} + +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->label, &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, + gboolean cancellable, + const gchar *message) +{ + GimpStatusbar *statusbar = GIMP_STATUSBAR (progress); + + if (! statusbar->progress_active) + { + GtkWidget *bar = statusbar->progressbar; + GtkAllocation allocation; + + 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_get_allocation (statusbar->label, &allocation); + + gtk_widget_show (statusbar->progressbar); + gtk_widget_hide (statusbar->label); + + /* This shit is needed so that the progress bar is drawn in the + * correct place in the cases where we suck completely and run + * an operation that blocks the GUI and doesn't let the main + * loop run. + */ + gtk_container_resize_children (GTK_CONTAINER (statusbar)); + gtk_widget_size_allocate (statusbar->progressbar, &allocation); + + 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) + { + 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 (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) + { + 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 (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 *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; + + pixbuf = gimp_statusbar_load_icon (statusbar, icon_name); + + 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, 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) + { + 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; + + 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_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 / ICON_SIZE); + + 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 */ + { + 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_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, ICON_SIZE); + + /* 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; +} |