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-rw-r--r--app/widgets/gimpmessagebox.c492
1 files changed, 492 insertions, 0 deletions
diff --git a/app/widgets/gimpmessagebox.c b/app/widgets/gimpmessagebox.c
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+++ b/app/widgets/gimpmessagebox.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpmessagebox.c
+ * Copyright (C) 2004 Sven Neumann <sven@gimp.org>
+ *
+ * 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 <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "gimpmessagebox.h"
+
+#include "gimp-intl.h"
+
+
+#define GIMP_MESSAGE_BOX_SPACING 12
+
+enum
+{
+ PROP_0,
+ PROP_ICON_NAME
+};
+
+
+static void gimp_message_box_constructed (GObject *object);
+static void gimp_message_box_dispose (GObject *object);
+static void gimp_message_box_finalize (GObject *object);
+static void gimp_message_box_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_message_box_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void gimp_message_box_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+
+static void gimp_message_box_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void gimp_message_box_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+
+static void gimp_message_box_set_label_text (GimpMessageBox *box,
+ gint n,
+ const gchar *format,
+ va_list args) G_GNUC_PRINTF (3, 0);
+static void gimp_message_box_set_label_markup (GimpMessageBox *box,
+ gint n,
+ const gchar *format,
+ va_list args) G_GNUC_PRINTF (3, 0);
+
+static gboolean gimp_message_box_update (gpointer data);
+
+G_DEFINE_TYPE (GimpMessageBox, gimp_message_box, GTK_TYPE_BOX)
+
+#define parent_class gimp_message_box_parent_class
+
+
+static void
+gimp_message_box_class_init (GimpMessageBoxClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+ GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
+
+ object_class->constructed = gimp_message_box_constructed;
+ object_class->dispose = gimp_message_box_dispose;
+ object_class->finalize = gimp_message_box_finalize;
+ object_class->set_property = gimp_message_box_set_property;
+ object_class->get_property = gimp_message_box_get_property;
+
+
+ widget_class->size_request = gimp_message_box_size_request;
+ widget_class->size_allocate = gimp_message_box_size_allocate;
+
+ container_class->forall = gimp_message_box_forall;
+
+ g_object_class_install_property (object_class, PROP_ICON_NAME,
+ g_param_spec_string ("icon-name", NULL, NULL,
+ NULL,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+gimp_message_box_init (GimpMessageBox *box)
+{
+ gint i;
+
+ gtk_orientable_set_orientation (GTK_ORIENTABLE (box),
+ GTK_ORIENTATION_VERTICAL);
+
+ gtk_box_set_spacing (GTK_BOX (box), 12);
+ gtk_container_set_border_width (GTK_CONTAINER (box), 12);
+
+ /* Unset the focus chain to keep the labels from being in the focus
+ * chain. Users of GimpMessageBox that add focusable widgets should
+ * either unset the focus chain or (better) explicitly set one.
+ */
+ gtk_container_set_focus_chain (GTK_CONTAINER (box), NULL);
+
+ for (i = 0; i < 2; i++)
+ {
+ GtkWidget *label = g_object_new (GTK_TYPE_LABEL,
+ "wrap", TRUE,
+ "selectable", TRUE,
+ "xalign", 0.0,
+ "yalign", 0.5,
+ NULL);
+
+ if (i == 0)
+ gimp_label_set_attributes (GTK_LABEL (label),
+ PANGO_ATTR_SCALE, PANGO_SCALE_LARGE,
+ PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
+ -1);
+
+ gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
+
+ box->label[i] = label;
+ }
+
+ box->repeat = 0;
+ box->label[2] = NULL;
+ box->idle_id = 0;
+}
+
+static void
+gimp_message_box_constructed (GObject *object)
+{
+ GimpMessageBox *box = GIMP_MESSAGE_BOX (object);
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ if (box->icon_name)
+ {
+ gtk_widget_push_composite_child ();
+ box->image = gtk_image_new_from_icon_name (box->icon_name,
+ GTK_ICON_SIZE_DIALOG);
+ gtk_widget_pop_composite_child ();
+
+ gtk_misc_set_alignment (GTK_MISC (box->image), 0.0, 0.0);
+ gtk_widget_set_parent (box->image, GTK_WIDGET (box));
+ gtk_widget_show (box->image);
+ }
+}
+
+static void
+gimp_message_box_dispose (GObject *object)
+{
+ GimpMessageBox *box = GIMP_MESSAGE_BOX (object);
+
+ if (box->image)
+ {
+ gtk_widget_unparent (box->image);
+ box->image = NULL;
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_message_box_finalize (GObject *object)
+{
+ GimpMessageBox *box = GIMP_MESSAGE_BOX (object);
+
+ if (box->idle_id)
+ {
+ g_source_remove (box->idle_id);
+ box->idle_id = 0;
+ }
+
+ g_clear_pointer (&box->icon_name, g_free);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_message_box_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpMessageBox *box = GIMP_MESSAGE_BOX (object);
+
+ switch (property_id)
+ {
+ case PROP_ICON_NAME:
+ box->icon_name = g_value_dup_string (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_message_box_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpMessageBox *box = GIMP_MESSAGE_BOX (object);
+
+ switch (property_id)
+ {
+ case PROP_ICON_NAME:
+ g_value_set_string (value, box->icon_name);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_message_box_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ GimpMessageBox *box = GIMP_MESSAGE_BOX (widget);
+
+ GTK_WIDGET_CLASS (parent_class)->size_request (widget, requisition);
+
+ if (box->image && gtk_widget_get_visible (box->image))
+ {
+ GtkRequisition child_requisition;
+ gint border_width;
+
+ gtk_widget_size_request (box->image, &child_requisition);
+
+ border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
+
+ requisition->width += child_requisition.width + GIMP_MESSAGE_BOX_SPACING;
+ requisition->height = MAX (requisition->height,
+ child_requisition.height +
+ 2 * border_width);
+ }
+}
+
+static void
+gimp_message_box_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GimpMessageBox *box = GIMP_MESSAGE_BOX (widget);
+ GtkContainer *container = GTK_CONTAINER (widget);
+ gint width = 0;
+ gboolean rtl;
+
+ rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
+
+ if (box->image && gtk_widget_get_visible (box->image))
+ {
+ GtkRequisition child_requisition;
+ GtkAllocation child_allocation;
+ gint border_width;
+ gint height;
+
+ gtk_widget_size_request (box->image, &child_requisition);
+
+ border_width = gtk_container_get_border_width (container);
+
+ width = MIN (allocation->width - 2 * border_width,
+ child_requisition.width + GIMP_MESSAGE_BOX_SPACING);
+ width = MAX (1, width);
+
+ height = allocation->height - 2 * border_width;
+ height = MAX (1, height);
+
+ if (rtl)
+ child_allocation.x = (allocation->width -
+ border_width -
+ child_requisition.width);
+ else
+ child_allocation.x = allocation->x + border_width;
+
+ child_allocation.y = allocation->y + border_width;
+ child_allocation.width = width;
+ child_allocation.height = height;
+
+ gtk_widget_size_allocate (box->image, &child_allocation);
+ }
+
+ allocation->x += rtl ? 0 : width;
+ allocation->width -= width;
+
+ GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
+
+ allocation->x -= rtl ? 0 : width;
+ allocation->width += width;
+
+ gtk_widget_set_allocation (widget, allocation);
+}
+
+static void
+gimp_message_box_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data)
+{
+ if (include_internals)
+ {
+ GimpMessageBox *box = GIMP_MESSAGE_BOX (container);
+
+ if (box->image)
+ (* callback) (box->image, callback_data);
+ }
+
+ GTK_CONTAINER_CLASS (parent_class)->forall (container, include_internals,
+ callback, callback_data);
+}
+
+static void
+gimp_message_box_set_label_text (GimpMessageBox *box,
+ gint n,
+ const gchar *format,
+ va_list args)
+{
+ GtkWidget *label = box->label[n];
+
+ if (format)
+ {
+ gchar *text = g_strdup_vprintf (format, args);
+ gchar *utf8 = gimp_any_to_utf8 (text, -1, "Cannot convert text to utf8.");
+
+ gtk_label_set_text (GTK_LABEL (label), utf8);
+ gtk_widget_show (label);
+
+ g_free (utf8);
+ g_free (text);
+ }
+ else
+ {
+ gtk_widget_hide (label);
+ gtk_label_set_text (GTK_LABEL (label), NULL);
+ }
+}
+
+static void
+gimp_message_box_set_label_markup (GimpMessageBox *box,
+ gint n,
+ const gchar *format,
+ va_list args)
+{
+ GtkWidget *label = box->label[n];
+
+ if (format)
+ {
+ gchar *text = g_markup_vprintf_escaped (format, args);
+
+ gtk_label_set_markup (GTK_LABEL (label), text);
+ gtk_widget_show (label);
+
+ g_free (text);
+ }
+ else
+ {
+ gtk_widget_hide (label);
+ gtk_label_set_text (GTK_LABEL (label), NULL);
+ }
+}
+
+static gboolean
+gimp_message_box_update (gpointer data)
+{
+ GimpMessageBox *box = data;
+ gchar *message;
+
+ box->idle_id = 0;
+
+ message = g_strdup_printf (ngettext ("Message repeated once.",
+ "Message repeated %d times.",
+ box->repeat),
+ box->repeat);
+
+ if (box->label[2])
+ {
+ gtk_label_set_text (GTK_LABEL (box->label[2]), message);
+ }
+ else
+ {
+ GtkWidget *label = box->label[2] = gtk_label_new (message);
+
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gimp_label_set_attributes (GTK_LABEL (label),
+ PANGO_ATTR_STYLE, PANGO_STYLE_OBLIQUE,
+ -1);
+ gtk_box_pack_end (GTK_BOX (box), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+ }
+
+ g_free (message);
+
+ return G_SOURCE_REMOVE;
+}
+
+/* public functions */
+
+GtkWidget *
+gimp_message_box_new (const gchar *icon_name)
+{
+ return g_object_new (GIMP_TYPE_MESSAGE_BOX,
+ "icon-name", icon_name,
+ NULL);
+}
+
+void
+gimp_message_box_set_primary_text (GimpMessageBox *box,
+ const gchar *format,
+ ...)
+{
+ va_list args;
+
+ g_return_if_fail (GIMP_IS_MESSAGE_BOX (box));
+
+ va_start (args, format);
+ gimp_message_box_set_label_text (box, 0, format, args);
+ va_end (args);
+}
+
+void
+gimp_message_box_set_text (GimpMessageBox *box,
+ const gchar *format,
+ ...)
+{
+ va_list args;
+
+ g_return_if_fail (GIMP_IS_MESSAGE_BOX (box));
+
+ va_start (args, format);
+ gimp_message_box_set_label_text (box, 1, format, args);
+ va_end (args);
+}
+
+void
+gimp_message_box_set_markup (GimpMessageBox *box,
+ const gchar *format,
+ ...)
+{
+ va_list args;
+
+ g_return_if_fail (GIMP_IS_MESSAGE_BOX (box));
+
+ va_start (args, format);
+ gimp_message_box_set_label_markup (box, 1,format, args);
+ va_end (args);
+}
+
+gint
+gimp_message_box_repeat (GimpMessageBox *box)
+{
+ g_return_val_if_fail (GIMP_IS_MESSAGE_BOX (box), 0);
+
+ box->repeat++;
+
+ if (box->idle_id == 0)
+ {
+ /* When a same message is repeated dozens of thousands of times in
+ * a short span of time, updating the GUI at each increment is
+ * extremely slow (like really really slow, your GUI gets stuck
+ * for 10 minutes). So let's just delay GUI update as a low
+ * priority idle task.
+ */
+ box->idle_id = g_idle_add_full (G_PRIORITY_LOW,
+ gimp_message_box_update,
+ box, NULL);
+ }
+
+ return box->repeat;
+}
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