924 lines
32 KiB
C
924 lines
32 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikacursorview.c
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* Copyright (C) 2005-2016 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "libpikamath/pikamath.h"
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#include "libpikacolor/pikacolor.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "display-types.h"
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#include "config/pikacoreconfig.h"
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#include "core/pika.h"
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#include "core/pikacontext.h"
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#include "core/pikaimage.h"
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#include "core/pikaimage-pick-color.h"
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#include "core/pikaitem.h"
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#include "widgets/pikacolorframe.h"
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#include "widgets/pikadocked.h"
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#include "widgets/pikamenufactory.h"
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#include "widgets/pikasessioninfo-aux.h"
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#include "pikacursorview.h"
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#include "pikadisplay.h"
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#include "pikadisplayshell.h"
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#include "pika-intl.h"
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enum
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{
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PROP_0,
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PROP_PIKA,
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PROP_SAMPLE_MERGED
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};
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struct _PikaCursorViewPrivate
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{
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PikaEditor parent_instance;
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Pika *pika;
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GtkWidget *coord_hbox;
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GtkWidget *selection_hbox;
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GtkWidget *color_hbox;
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GtkWidget *pixel_x_label;
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GtkWidget *pixel_y_label;
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GtkWidget *unit_x_label;
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GtkWidget *unit_y_label;
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GtkWidget *selection_x_label;
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GtkWidget *selection_y_label;
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GtkWidget *selection_width_label;
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GtkWidget *selection_height_label;
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GtkWidget *color_frame_1;
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GtkWidget *color_frame_2;
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gboolean sample_merged;
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PikaContext *context;
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PikaDisplayShell *shell;
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PikaImage *image;
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PikaUnit unit;
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guint cursor_idle_id;
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PikaImage *cursor_image;
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PikaUnit cursor_unit;
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gdouble cursor_x;
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gdouble cursor_y;
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};
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static void pika_cursor_view_docked_iface_init (PikaDockedInterface *iface);
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static void pika_cursor_view_dispose (GObject *object);
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static void pika_cursor_view_constructed (GObject *object);
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static void pika_cursor_view_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void pika_cursor_view_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void pika_cursor_view_style_updated (GtkWidget *widget);
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static void pika_cursor_view_set_aux_info (PikaDocked *docked,
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GList *aux_info);
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static GList * pika_cursor_view_get_aux_info (PikaDocked *docked);
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static void pika_cursor_view_set_context (PikaDocked *docked,
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PikaContext *context);
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static void pika_cursor_view_image_changed (PikaCursorView *view,
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PikaImage *image,
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PikaContext *context);
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static void pika_cursor_view_mask_changed (PikaCursorView *view,
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PikaImage *image);
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static void pika_cursor_view_diplay_changed (PikaCursorView *view,
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PikaDisplay *display,
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PikaContext *context);
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static void pika_cursor_view_shell_unit_changed (PikaCursorView *view,
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GParamSpec *pspec,
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PikaDisplayShell *shell);
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static void pika_cursor_view_format_as_unit (PikaUnit unit,
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gchar *output_buf,
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gint output_buf_size,
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gdouble pixel_value,
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gdouble image_res);
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static void pika_cursor_view_set_label_italic (GtkWidget *label,
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gboolean italic);
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static void pika_cursor_view_update_selection_info (PikaCursorView *view,
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PikaImage *image,
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PikaUnit unit);
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static gboolean pika_cursor_view_cursor_idle (PikaCursorView *view);
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G_DEFINE_TYPE_WITH_CODE (PikaCursorView, pika_cursor_view, PIKA_TYPE_EDITOR,
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G_ADD_PRIVATE (PikaCursorView)
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G_IMPLEMENT_INTERFACE (PIKA_TYPE_DOCKED,
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pika_cursor_view_docked_iface_init))
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#define parent_class pika_cursor_view_parent_class
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static PikaDockedInterface *parent_docked_iface = NULL;
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static void
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pika_cursor_view_class_init (PikaCursorViewClass* klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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object_class->constructed = pika_cursor_view_constructed;
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object_class->dispose = pika_cursor_view_dispose;
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object_class->get_property = pika_cursor_view_get_property;
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object_class->set_property = pika_cursor_view_set_property;
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widget_class->style_updated = pika_cursor_view_style_updated;
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g_object_class_install_property (object_class, PROP_PIKA,
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g_param_spec_object ("pika",
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NULL, NULL,
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PIKA_TYPE_PIKA,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class, PROP_SAMPLE_MERGED,
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g_param_spec_boolean ("sample-merged",
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NULL, NULL,
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TRUE,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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}
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static void
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pika_cursor_view_init (PikaCursorView *view)
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{
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GtkWidget *frame;
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GtkWidget *grid;
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GtkWidget *toggle;
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gint content_spacing;
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view->priv = pika_cursor_view_get_instance_private (view);
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view->priv->sample_merged = TRUE;
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view->priv->context = NULL;
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view->priv->shell = NULL;
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view->priv->image = NULL;
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view->priv->unit = PIKA_UNIT_PIXEL;
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view->priv->cursor_idle_id = 0;
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gtk_widget_style_get (GTK_WIDGET (view),
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"content-spacing", &content_spacing,
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NULL);
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/* cursor information */
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view->priv->coord_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
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content_spacing);
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gtk_box_set_homogeneous (GTK_BOX (view->priv->coord_hbox), TRUE);
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gtk_box_pack_start (GTK_BOX (view), view->priv->coord_hbox,
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FALSE, FALSE, 0);
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gtk_widget_show (view->priv->coord_hbox);
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view->priv->selection_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
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content_spacing);
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gtk_box_set_homogeneous (GTK_BOX (view->priv->selection_hbox), TRUE);
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gtk_box_pack_start (GTK_BOX (view), view->priv->selection_hbox,
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FALSE, FALSE, 0);
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gtk_widget_show (view->priv->selection_hbox);
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/* Pixels */
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frame = pika_frame_new (_("Pixels"));
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gtk_box_pack_start (GTK_BOX (view->priv->coord_hbox), frame, TRUE, TRUE, 0);
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gtk_widget_show (frame);
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grid = gtk_grid_new ();
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gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
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gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
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gtk_container_add (GTK_CONTAINER (frame), grid);
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gtk_widget_show (grid);
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view->priv->pixel_x_label = gtk_label_new (_("n/a"));
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gtk_label_set_xalign (GTK_LABEL (view->priv->pixel_x_label), 1.0);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 0,
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_("X"), 0.5, 0.5,
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view->priv->pixel_x_label, 1);
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view->priv->pixel_y_label = gtk_label_new (_("n/a"));
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gtk_label_set_xalign (GTK_LABEL (view->priv->pixel_y_label), 1.0);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 1,
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_("Y"), 0.5, 0.5,
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view->priv->pixel_y_label, 1);
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/* Units */
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frame = pika_frame_new (_("Units"));
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gtk_box_pack_start (GTK_BOX (view->priv->coord_hbox), frame, TRUE, TRUE, 0);
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gtk_widget_show (frame);
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grid = gtk_grid_new ();
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gtk_grid_set_column_spacing (GTK_GRID (grid), 4);
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gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
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gtk_container_add (GTK_CONTAINER (frame), grid);
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gtk_widget_show (grid);
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view->priv->unit_x_label = gtk_label_new (_("n/a"));
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gtk_label_set_xalign (GTK_LABEL (view->priv->unit_x_label), 1.0);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 0,
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_("X"), 0.5, 0.5,
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view->priv->unit_x_label, 1);
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view->priv->unit_y_label = gtk_label_new (_("n/a"));
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gtk_label_set_xalign (GTK_LABEL (view->priv->unit_y_label), 1.0);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 1,
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_("Y"), 0.5, 0.5,
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view->priv->unit_y_label, 1);
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/* Selection Bounding Box */
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frame = pika_frame_new (_("Selection"));
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gtk_box_pack_start (GTK_BOX (view->priv->selection_hbox), frame, TRUE, TRUE, 0);
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gtk_widget_show (frame);
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pika_help_set_help_data (frame, _("The selection's bounding box"), NULL);
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grid = gtk_grid_new ();
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gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
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gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
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gtk_container_add (GTK_CONTAINER (frame), grid);
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gtk_widget_show (grid);
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view->priv->selection_x_label = gtk_label_new (_("n/a"));
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gtk_label_set_xalign (GTK_LABEL (view->priv->selection_x_label), 1.0);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 0,
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_("X"), 0.5, 0.5,
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view->priv->selection_x_label, 1);
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view->priv->selection_y_label = gtk_label_new (_("n/a"));
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gtk_label_set_xalign (GTK_LABEL (view->priv->selection_y_label), 1.0);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 1,
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_("Y"), 0.5, 0.5,
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view->priv->selection_y_label, 1);
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frame = pika_frame_new ("");
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gtk_box_pack_start (GTK_BOX (view->priv->selection_hbox), frame, TRUE, TRUE, 0);
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gtk_widget_show (frame);
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grid = gtk_grid_new ();
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gtk_grid_set_column_spacing (GTK_GRID (grid), 4);
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gtk_grid_set_row_spacing (GTK_GRID (grid), 2);
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gtk_container_add (GTK_CONTAINER (frame), grid);
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gtk_widget_show (grid);
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view->priv->selection_width_label = gtk_label_new (_("n/a"));
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gtk_label_set_xalign (GTK_LABEL (view->priv->selection_width_label), 1.0);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 0,
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/* Width */
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_("W"), 0.5, 0.5,
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view->priv->selection_width_label, 1);
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view->priv->selection_height_label = gtk_label_new (_("n/a"));
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gtk_label_set_xalign (GTK_LABEL (view->priv->selection_height_label), 1.0);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, 1,
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/* Height */
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_("H"), 0.5, 0.5,
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view->priv->selection_height_label, 1);
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/* sample merged toggle */
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toggle = pika_prop_check_button_new (G_OBJECT (view), "sample-merged",
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_("_Sample Merged"));
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gtk_box_pack_start (GTK_BOX (view), toggle, FALSE, FALSE, 0);
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}
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static void
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pika_cursor_view_docked_iface_init (PikaDockedInterface *iface)
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{
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parent_docked_iface = g_type_interface_peek_parent (iface);
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if (! parent_docked_iface)
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parent_docked_iface = g_type_default_interface_peek (PIKA_TYPE_DOCKED);
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iface->set_aux_info = pika_cursor_view_set_aux_info;
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iface->get_aux_info = pika_cursor_view_get_aux_info;
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iface->set_context = pika_cursor_view_set_context;
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}
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static void
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pika_cursor_view_constructed (GObject *object)
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{
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PikaCursorView *view = PIKA_CURSOR_VIEW (object);
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gint content_spacing;
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gtk_widget_style_get (GTK_WIDGET (view),
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"content-spacing", &content_spacing,
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NULL);
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/* color information */
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view->priv->color_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
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content_spacing);
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gtk_box_set_homogeneous (GTK_BOX (view->priv->color_hbox), TRUE);
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gtk_box_pack_start (GTK_BOX (view), view->priv->color_hbox, FALSE, FALSE, 0);
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gtk_widget_show (view->priv->color_hbox);
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view->priv->color_frame_1 = pika_color_frame_new (view->priv->pika);
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pika_color_frame_set_mode (PIKA_COLOR_FRAME (view->priv->color_frame_1),
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PIKA_COLOR_PICK_MODE_PIXEL);
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pika_color_frame_set_ellipsize (PIKA_COLOR_FRAME (view->priv->color_frame_1),
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PANGO_ELLIPSIZE_END);
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gtk_box_pack_start (GTK_BOX (view->priv->color_hbox), view->priv->color_frame_1,
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TRUE, TRUE, 0);
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gtk_widget_show (view->priv->color_frame_1);
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view->priv->color_frame_2 = pika_color_frame_new (view->priv->pika);
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pika_color_frame_set_mode (PIKA_COLOR_FRAME (view->priv->color_frame_2),
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PIKA_COLOR_PICK_MODE_RGB_PERCENT);
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gtk_box_pack_start (GTK_BOX (view->priv->color_hbox), view->priv->color_frame_2,
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TRUE, TRUE, 0);
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gtk_widget_show (view->priv->color_frame_2);
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}
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static void
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pika_cursor_view_dispose (GObject *object)
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{
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PikaCursorView *view = PIKA_CURSOR_VIEW (object);
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if (view->priv->context)
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pika_docked_set_context (PIKA_DOCKED (view), NULL);
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if (view->priv->cursor_idle_id)
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{
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g_source_remove (view->priv->cursor_idle_id);
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view->priv->cursor_idle_id = 0;
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}
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view->priv->color_frame_1 = NULL;
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view->priv->color_frame_2 = NULL;
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g_clear_object (&view->priv->cursor_image);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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pika_cursor_view_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PikaCursorView *view = PIKA_CURSOR_VIEW (object);
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switch (property_id)
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{
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case PROP_PIKA:
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view->priv->pika = g_value_get_object (value);
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break;
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case PROP_SAMPLE_MERGED:
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view->priv->sample_merged = g_value_get_boolean (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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pika_cursor_view_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PikaCursorView *view = PIKA_CURSOR_VIEW (object);
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switch (property_id)
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{
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case PROP_PIKA:
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g_value_set_object (value, view->priv->pika);
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break;
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case PROP_SAMPLE_MERGED:
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g_value_set_boolean (value, view->priv->sample_merged);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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#define AUX_INFO_FRAME_1_MODE "frame-1-mode"
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#define AUX_INFO_FRAME_2_MODE "frame-2-mode"
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static void
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pika_cursor_view_set_aux_info (PikaDocked *docked,
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GList *aux_info)
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{
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PikaCursorView *view = PIKA_CURSOR_VIEW (docked);
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GList *list;
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parent_docked_iface->set_aux_info (docked, aux_info);
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for (list = aux_info; list; list = g_list_next (list))
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{
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PikaSessionInfoAux *aux = list->data;
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GtkWidget *frame = NULL;
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if (! strcmp (aux->name, AUX_INFO_FRAME_1_MODE))
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frame = view->priv->color_frame_1;
|
|
else if (! strcmp (aux->name, AUX_INFO_FRAME_2_MODE))
|
|
frame = view->priv->color_frame_2;
|
|
|
|
if (frame)
|
|
{
|
|
GEnumClass *enum_class;
|
|
GEnumValue *enum_value;
|
|
|
|
enum_class = g_type_class_peek (PIKA_TYPE_COLOR_PICK_MODE);
|
|
enum_value = g_enum_get_value_by_nick (enum_class, aux->value);
|
|
|
|
if (enum_value)
|
|
pika_color_frame_set_mode (PIKA_COLOR_FRAME (frame),
|
|
enum_value->value);
|
|
}
|
|
}
|
|
}
|
|
|
|
static GList *
|
|
pika_cursor_view_get_aux_info (PikaDocked *docked)
|
|
{
|
|
PikaCursorView *view = PIKA_CURSOR_VIEW (docked);
|
|
GList *aux_info;
|
|
const gchar *nick;
|
|
PikaSessionInfoAux *aux;
|
|
|
|
aux_info = parent_docked_iface->get_aux_info (docked);
|
|
|
|
if (pika_enum_get_value (PIKA_TYPE_COLOR_PICK_MODE,
|
|
PIKA_COLOR_FRAME (view->priv->color_frame_1)->pick_mode,
|
|
NULL, &nick, NULL, NULL))
|
|
{
|
|
aux = pika_session_info_aux_new (AUX_INFO_FRAME_1_MODE, nick);
|
|
aux_info = g_list_append (aux_info, aux);
|
|
}
|
|
|
|
if (pika_enum_get_value (PIKA_TYPE_COLOR_PICK_MODE,
|
|
PIKA_COLOR_FRAME (view->priv->color_frame_2)->pick_mode,
|
|
NULL, &nick, NULL, NULL))
|
|
{
|
|
aux = pika_session_info_aux_new (AUX_INFO_FRAME_2_MODE, nick);
|
|
aux_info = g_list_append (aux_info, aux);
|
|
}
|
|
|
|
return aux_info;
|
|
}
|
|
|
|
static void
|
|
pika_cursor_view_format_as_unit (PikaUnit unit,
|
|
gchar *output_buf,
|
|
gint output_buf_size,
|
|
gdouble pixel_value,
|
|
gdouble image_res)
|
|
{
|
|
gchar format_buf[32];
|
|
gdouble value;
|
|
gint unit_digits = 0;
|
|
const gchar *unit_str = "";
|
|
|
|
value = pika_pixels_to_units (pixel_value, unit, image_res);
|
|
|
|
if (unit != PIKA_UNIT_PIXEL)
|
|
{
|
|
unit_digits = pika_unit_get_scaled_digits (unit, image_res);
|
|
unit_str = pika_unit_get_abbreviation (unit);
|
|
}
|
|
|
|
g_snprintf (format_buf, sizeof (format_buf),
|
|
"%%.%df %s", unit_digits, unit_str);
|
|
|
|
g_snprintf (output_buf, output_buf_size, format_buf, value);
|
|
}
|
|
|
|
static void
|
|
pika_cursor_view_set_label_italic (GtkWidget *label,
|
|
gboolean italic)
|
|
{
|
|
PangoStyle attribute = italic ? PANGO_STYLE_ITALIC : PANGO_STYLE_NORMAL;
|
|
|
|
pika_label_set_attributes (GTK_LABEL (label),
|
|
PANGO_ATTR_STYLE, attribute,
|
|
-1);
|
|
}
|
|
|
|
static void
|
|
pika_cursor_view_style_updated (GtkWidget *widget)
|
|
{
|
|
PikaCursorView *view = PIKA_CURSOR_VIEW (widget);
|
|
gint content_spacing;
|
|
|
|
GTK_WIDGET_CLASS (parent_class)->style_updated (widget);
|
|
|
|
gtk_widget_style_get (GTK_WIDGET (view),
|
|
"content-spacing", &content_spacing,
|
|
NULL);
|
|
|
|
gtk_box_set_spacing (GTK_BOX (view->priv->coord_hbox), content_spacing);
|
|
gtk_box_set_spacing (GTK_BOX (view->priv->selection_hbox), content_spacing);
|
|
gtk_box_set_spacing (GTK_BOX (view->priv->color_hbox), content_spacing);
|
|
}
|
|
|
|
static void
|
|
pika_cursor_view_set_context (PikaDocked *docked,
|
|
PikaContext *context)
|
|
{
|
|
PikaCursorView *view = PIKA_CURSOR_VIEW (docked);
|
|
PikaColorConfig *config = NULL;
|
|
PikaDisplay *display = NULL;
|
|
PikaImage *image = NULL;
|
|
|
|
if (context == view->priv->context)
|
|
return;
|
|
|
|
if (view->priv->context)
|
|
{
|
|
g_signal_handlers_disconnect_by_func (view->priv->context,
|
|
pika_cursor_view_diplay_changed,
|
|
view);
|
|
g_signal_handlers_disconnect_by_func (view->priv->context,
|
|
pika_cursor_view_image_changed,
|
|
view);
|
|
|
|
g_object_unref (view->priv->context);
|
|
}
|
|
|
|
view->priv->context = context;
|
|
|
|
if (view->priv->context)
|
|
{
|
|
g_object_ref (view->priv->context);
|
|
|
|
g_signal_connect_swapped (view->priv->context, "display-changed",
|
|
G_CALLBACK (pika_cursor_view_diplay_changed),
|
|
view);
|
|
|
|
g_signal_connect_swapped (view->priv->context, "image-changed",
|
|
G_CALLBACK (pika_cursor_view_image_changed),
|
|
view);
|
|
|
|
config = context->pika->config->color_management;
|
|
display = pika_context_get_display (context);
|
|
image = pika_context_get_image (context);
|
|
}
|
|
|
|
pika_color_frame_set_color_config (PIKA_COLOR_FRAME (view->priv->color_frame_1),
|
|
config);
|
|
pika_color_frame_set_color_config (PIKA_COLOR_FRAME (view->priv->color_frame_2),
|
|
config);
|
|
|
|
pika_cursor_view_diplay_changed (view, display, view->priv->context);
|
|
pika_cursor_view_image_changed (view, image, view->priv->context);
|
|
}
|
|
|
|
static void
|
|
pika_cursor_view_image_changed (PikaCursorView *view,
|
|
PikaImage *image,
|
|
PikaContext *context)
|
|
{
|
|
g_return_if_fail (PIKA_IS_CURSOR_VIEW (view));
|
|
|
|
if (image == view->priv->image)
|
|
return;
|
|
|
|
if (view->priv->image)
|
|
{
|
|
g_signal_handlers_disconnect_by_func (view->priv->image,
|
|
pika_cursor_view_mask_changed,
|
|
view);
|
|
}
|
|
|
|
view->priv->image = image;
|
|
|
|
if (view->priv->image)
|
|
{
|
|
g_signal_connect_swapped (view->priv->image, "mask-changed",
|
|
G_CALLBACK (pika_cursor_view_mask_changed),
|
|
view);
|
|
}
|
|
|
|
pika_cursor_view_mask_changed (view, view->priv->image);
|
|
}
|
|
|
|
static void
|
|
pika_cursor_view_mask_changed (PikaCursorView *view,
|
|
PikaImage *image)
|
|
{
|
|
pika_cursor_view_update_selection_info (view,
|
|
view->priv->image,
|
|
view->priv->unit);
|
|
}
|
|
|
|
static void
|
|
pika_cursor_view_diplay_changed (PikaCursorView *view,
|
|
PikaDisplay *display,
|
|
PikaContext *context)
|
|
{
|
|
PikaDisplayShell *shell = NULL;
|
|
|
|
if (display)
|
|
shell = pika_display_get_shell (display);
|
|
|
|
if (view->priv->shell)
|
|
{
|
|
g_signal_handlers_disconnect_by_func (view->priv->shell,
|
|
pika_cursor_view_shell_unit_changed,
|
|
view);
|
|
}
|
|
|
|
view->priv->shell = shell;
|
|
|
|
if (view->priv->shell)
|
|
{
|
|
g_signal_connect_swapped (view->priv->shell, "notify::unit",
|
|
G_CALLBACK (pika_cursor_view_shell_unit_changed),
|
|
view);
|
|
}
|
|
|
|
pika_cursor_view_shell_unit_changed (view,
|
|
NULL,
|
|
view->priv->shell);
|
|
}
|
|
|
|
static void
|
|
pika_cursor_view_shell_unit_changed (PikaCursorView *view,
|
|
GParamSpec *pspec,
|
|
PikaDisplayShell *shell)
|
|
{
|
|
PikaUnit new_unit = PIKA_UNIT_PIXEL;
|
|
|
|
if (shell)
|
|
{
|
|
new_unit = pika_display_shell_get_unit (shell);
|
|
}
|
|
|
|
if (view->priv->unit != new_unit)
|
|
{
|
|
pika_cursor_view_update_selection_info (view, view->priv->image, new_unit);
|
|
view->priv->unit = new_unit;
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_cursor_view_update_selection_info (PikaCursorView *view,
|
|
PikaImage *image,
|
|
PikaUnit unit)
|
|
{
|
|
gint x, y, width, height;
|
|
|
|
if (image &&
|
|
pika_item_bounds (PIKA_ITEM (pika_image_get_mask (image)),
|
|
&x, &y, &width, &height))
|
|
{
|
|
gdouble xres, yres;
|
|
gchar buf[32];
|
|
|
|
pika_image_get_resolution (image, &xres, &yres);
|
|
|
|
pika_cursor_view_format_as_unit (unit, buf, sizeof (buf), x, xres);
|
|
gtk_label_set_text (GTK_LABEL (view->priv->selection_x_label), buf);
|
|
|
|
pika_cursor_view_format_as_unit (unit, buf, sizeof (buf), y, yres);
|
|
gtk_label_set_text (GTK_LABEL (view->priv->selection_y_label), buf);
|
|
|
|
pika_cursor_view_format_as_unit (unit, buf, sizeof (buf), width, xres);
|
|
gtk_label_set_text (GTK_LABEL (view->priv->selection_width_label), buf);
|
|
|
|
pika_cursor_view_format_as_unit (unit, buf, sizeof (buf), height, yres);
|
|
gtk_label_set_text (GTK_LABEL (view->priv->selection_height_label), buf);
|
|
}
|
|
else
|
|
{
|
|
gtk_label_set_text (GTK_LABEL (view->priv->selection_x_label),
|
|
_("n/a"));
|
|
gtk_label_set_text (GTK_LABEL (view->priv->selection_y_label),
|
|
_("n/a"));
|
|
gtk_label_set_text (GTK_LABEL (view->priv->selection_width_label),
|
|
_("n/a"));
|
|
gtk_label_set_text (GTK_LABEL (view->priv->selection_height_label),
|
|
_("n/a"));
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
pika_cursor_view_cursor_idle (PikaCursorView *view)
|
|
{
|
|
|
|
if (view->priv->cursor_image)
|
|
{
|
|
PikaImage *image = view->priv->cursor_image;
|
|
PikaUnit unit = view->priv->cursor_unit;
|
|
gdouble x = view->priv->cursor_x;
|
|
gdouble y = view->priv->cursor_y;
|
|
gboolean in_image;
|
|
gchar buf[32];
|
|
const Babl *sample_format;
|
|
gdouble pixel[4];
|
|
PikaRGB color;
|
|
gdouble xres;
|
|
gdouble yres;
|
|
gint int_x;
|
|
gint int_y;
|
|
|
|
if (unit == PIKA_UNIT_PIXEL)
|
|
unit = pika_image_get_unit (image);
|
|
|
|
pika_image_get_resolution (image, &xres, &yres);
|
|
|
|
in_image = (x >= 0.0 && x < pika_image_get_width (image) &&
|
|
y >= 0.0 && y < pika_image_get_height (image));
|
|
|
|
g_snprintf (buf, sizeof (buf), "%d", (gint) floor (x));
|
|
gtk_label_set_text (GTK_LABEL (view->priv->pixel_x_label), buf);
|
|
pika_cursor_view_set_label_italic (view->priv->pixel_x_label, ! in_image);
|
|
|
|
g_snprintf (buf, sizeof (buf), "%d", (gint) floor (y));
|
|
gtk_label_set_text (GTK_LABEL (view->priv->pixel_y_label), buf);
|
|
pika_cursor_view_set_label_italic (view->priv->pixel_y_label, ! in_image);
|
|
|
|
pika_cursor_view_format_as_unit (unit, buf, sizeof (buf), x, xres);
|
|
gtk_label_set_text (GTK_LABEL (view->priv->unit_x_label), buf);
|
|
pika_cursor_view_set_label_italic (view->priv->unit_x_label, ! in_image);
|
|
|
|
pika_cursor_view_format_as_unit (unit, buf, sizeof (buf), y, yres);
|
|
gtk_label_set_text (GTK_LABEL (view->priv->unit_y_label), buf);
|
|
pika_cursor_view_set_label_italic (view->priv->unit_y_label, ! in_image);
|
|
|
|
int_x = (gint) floor (x);
|
|
int_y = (gint) floor (y);
|
|
|
|
if (pika_image_pick_color (image, NULL,
|
|
int_x, int_y,
|
|
view->priv->shell->show_all,
|
|
view->priv->sample_merged,
|
|
FALSE, 0.0,
|
|
&sample_format, pixel, &color))
|
|
{
|
|
pika_color_frame_set_color (PIKA_COLOR_FRAME (view->priv->color_frame_1),
|
|
FALSE, sample_format, pixel, &color,
|
|
int_x, int_y);
|
|
pika_color_frame_set_color (PIKA_COLOR_FRAME (view->priv->color_frame_2),
|
|
FALSE, sample_format, pixel, &color,
|
|
int_x, int_y);
|
|
}
|
|
else
|
|
{
|
|
pika_color_frame_set_invalid (PIKA_COLOR_FRAME (view->priv->color_frame_1));
|
|
pika_color_frame_set_invalid (PIKA_COLOR_FRAME (view->priv->color_frame_2));
|
|
}
|
|
|
|
/* Show the selection info from the image under the cursor if any */
|
|
pika_cursor_view_update_selection_info (view,
|
|
image,
|
|
view->priv->cursor_unit);
|
|
|
|
g_clear_object (&view->priv->cursor_image);
|
|
}
|
|
else
|
|
{
|
|
gtk_label_set_text (GTK_LABEL (view->priv->pixel_x_label), _("n/a"));
|
|
gtk_label_set_text (GTK_LABEL (view->priv->pixel_y_label), _("n/a"));
|
|
gtk_label_set_text (GTK_LABEL (view->priv->unit_x_label), _("n/a"));
|
|
gtk_label_set_text (GTK_LABEL (view->priv->unit_y_label), _("n/a"));
|
|
|
|
pika_color_frame_set_invalid (PIKA_COLOR_FRAME (view->priv->color_frame_1));
|
|
pika_color_frame_set_invalid (PIKA_COLOR_FRAME (view->priv->color_frame_2));
|
|
|
|
/* Start showing selection info from the active image again */
|
|
pika_cursor_view_update_selection_info (view,
|
|
view->priv->image,
|
|
view->priv->unit);
|
|
}
|
|
|
|
view->priv->cursor_idle_id = 0;
|
|
|
|
return G_SOURCE_REMOVE;
|
|
}
|
|
|
|
|
|
/* public functions */
|
|
|
|
GtkWidget *
|
|
pika_cursor_view_new (Pika *pika,
|
|
PikaMenuFactory *menu_factory)
|
|
{
|
|
g_return_val_if_fail (PIKA_IS_MENU_FACTORY (menu_factory), NULL);
|
|
|
|
return g_object_new (PIKA_TYPE_CURSOR_VIEW,
|
|
"pika", pika,
|
|
"menu-factory", menu_factory,
|
|
"menu-identifier", "<CursorInfo>",
|
|
"ui-path", "/cursor-info-popup",
|
|
NULL);
|
|
}
|
|
|
|
void
|
|
pika_cursor_view_set_sample_merged (PikaCursorView *view,
|
|
gboolean sample_merged)
|
|
{
|
|
g_return_if_fail (PIKA_IS_CURSOR_VIEW (view));
|
|
|
|
sample_merged = sample_merged ? TRUE : FALSE;
|
|
|
|
if (view->priv->sample_merged != sample_merged)
|
|
{
|
|
view->priv->sample_merged = sample_merged;
|
|
|
|
g_object_notify (G_OBJECT (view), "sample-merged");
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
pika_cursor_view_get_sample_merged (PikaCursorView *view)
|
|
{
|
|
g_return_val_if_fail (PIKA_IS_CURSOR_VIEW (view), FALSE);
|
|
|
|
return view->priv->sample_merged;
|
|
}
|
|
|
|
void
|
|
pika_cursor_view_update_cursor (PikaCursorView *view,
|
|
PikaImage *image,
|
|
PikaUnit shell_unit,
|
|
gdouble x,
|
|
gdouble y)
|
|
{
|
|
g_return_if_fail (PIKA_IS_CURSOR_VIEW (view));
|
|
g_return_if_fail (PIKA_IS_IMAGE (image));
|
|
|
|
g_clear_object (&view->priv->cursor_image);
|
|
|
|
view->priv->cursor_image = g_object_ref (image);
|
|
view->priv->cursor_unit = shell_unit;
|
|
view->priv->cursor_x = x;
|
|
view->priv->cursor_y = y;
|
|
|
|
if (view->priv->cursor_idle_id == 0)
|
|
{
|
|
view->priv->cursor_idle_id =
|
|
g_idle_add ((GSourceFunc) pika_cursor_view_cursor_idle, view);
|
|
}
|
|
}
|
|
|
|
void
|
|
pika_cursor_view_clear_cursor (PikaCursorView *view)
|
|
{
|
|
g_return_if_fail (PIKA_IS_CURSOR_VIEW (view));
|
|
|
|
g_clear_object (&view->priv->cursor_image);
|
|
|
|
if (view->priv->cursor_idle_id == 0)
|
|
{
|
|
view->priv->cursor_idle_id =
|
|
g_idle_add ((GSourceFunc) pika_cursor_view_cursor_idle, view);
|
|
}
|
|
}
|
