From 3c57dd931145d43f2b0aef96c4d178135956bf91 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 05:13:10 +0200 Subject: Adding upstream version 2.10.36. Signed-off-by: Daniel Baumann --- app/display/gimpdisplayshell-rotate-dialog.c | 293 +++++++++++++++++++++++++++ 1 file changed, 293 insertions(+) create mode 100644 app/display/gimpdisplayshell-rotate-dialog.c (limited to 'app/display/gimpdisplayshell-rotate-dialog.c') diff --git a/app/display/gimpdisplayshell-rotate-dialog.c b/app/display/gimpdisplayshell-rotate-dialog.c new file mode 100644 index 0000000..c899235 --- /dev/null +++ b/app/display/gimpdisplayshell-rotate-dialog.c @@ -0,0 +1,293 @@ +/* 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 . + */ + +#include "config.h" + +#include +#include + +#include "libgimpmath/gimpmath.h" +#include "libgimpwidgets/gimpwidgets.h" + +#include "display-types.h" + +#include "core/gimp.h" +#include "core/gimpviewable.h" + +#include "widgets/gimpdial.h" +#include "widgets/gimphelp-ids.h" +#include "widgets/gimpviewabledialog.h" + +#include "gimpdisplay.h" +#include "gimpdisplayshell.h" +#include "gimpdisplayshell-rotate.h" +#include "gimpdisplayshell-rotate-dialog.h" + +#include "gimp-intl.h" + + +#define RESPONSE_RESET 1 + + +typedef struct +{ + GimpDisplayShell *shell; + GtkAdjustment *rotate_adj; + gdouble old_angle; +} RotateDialogData; + + +/* local function prototypes */ + +static void gimp_display_shell_rotate_dialog_response (GtkWidget *widget, + gint response_id, + RotateDialogData *dialog); +static void gimp_display_shell_rotate_dialog_free (RotateDialogData *dialog); + +static void rotate_adjustment_changed (GtkAdjustment *adj, + RotateDialogData *dialog); +static void display_shell_rotated (GimpDisplayShell *shell, + RotateDialogData *dialog); + +static gboolean deg_to_rad (GBinding *binding, + const GValue *from_value, + GValue *to_value, + gpointer user_data); +static gboolean rad_to_deg (GBinding *binding, + const GValue *from_value, + GValue *to_value, + gpointer user_data); + + +/* public functions */ + +/** + * gimp_display_shell_rotate_dialog: + * @shell: the #GimpDisplayShell + * + * Constructs and displays a dialog allowing the user to enter a + * custom display rotate. + **/ +void +gimp_display_shell_rotate_dialog (GimpDisplayShell *shell) +{ + RotateDialogData *data; + GimpImage *image; + GtkWidget *toplevel; + GtkWidget *hbox; + GtkWidget *spin; + GtkWidget *dial; + GtkWidget *label; + + g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell)); + + if (shell->rotate_dialog) + { + gtk_window_present (GTK_WINDOW (shell->rotate_dialog)); + return; + } + + image = gimp_display_get_image (shell->display); + + data = g_slice_new (RotateDialogData); + + data->shell = shell; + data->old_angle = shell->rotate_angle; + + shell->rotate_dialog = + gimp_viewable_dialog_new (GIMP_VIEWABLE (image), + gimp_get_user_context (shell->display->gimp), + _("Rotate View"), "display-rotate", + GIMP_ICON_OBJECT_ROTATE_180, + _("Select Rotation Angle"), + GTK_WIDGET (shell), + gimp_standard_help_func, + GIMP_HELP_VIEW_ROTATE_OTHER, + + _("_Reset"), RESPONSE_RESET, + _("_Cancel"), GTK_RESPONSE_CANCEL, + _("_OK"), GTK_RESPONSE_OK, + + NULL); + + gtk_dialog_set_alternative_button_order (GTK_DIALOG (shell->rotate_dialog), + GTK_RESPONSE_OK, + GTK_RESPONSE_CANCEL, + -1); + + g_object_weak_ref (G_OBJECT (shell->rotate_dialog), + (GWeakNotify) gimp_display_shell_rotate_dialog_free, data); + + g_object_add_weak_pointer (G_OBJECT (shell->rotate_dialog), + (gpointer) &shell->rotate_dialog); + + toplevel = gtk_widget_get_toplevel (GTK_WIDGET (shell)); + + gtk_window_set_transient_for (GTK_WINDOW (shell->rotate_dialog), + GTK_WINDOW (toplevel)); + gtk_window_set_destroy_with_parent (GTK_WINDOW (shell->rotate_dialog), TRUE); + + g_signal_connect (shell->rotate_dialog, "response", + G_CALLBACK (gimp_display_shell_rotate_dialog_response), + data); + + hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); + gtk_container_set_border_width (GTK_CONTAINER (hbox), 12); + gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (shell->rotate_dialog))), + hbox, TRUE, TRUE, 0); + gtk_widget_show (hbox); + + label = gtk_label_new (_("Angle:")); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); + gtk_widget_show (label); + + data->rotate_adj = (GtkAdjustment *) + gtk_adjustment_new (shell->rotate_angle, 0.0, 360.0, 1, 15, 0); + spin = gimp_spin_button_new (data->rotate_adj, 1.0, 2); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spin), TRUE); + gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spin), TRUE); + gtk_entry_set_activates_default (GTK_ENTRY (spin), TRUE); + gtk_box_pack_start (GTK_BOX (hbox), spin, TRUE, TRUE, 0); + gtk_widget_show (spin); + + label = gtk_label_new (_("degrees")); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); + gtk_widget_show (label); + + dial = gimp_dial_new (); + g_object_set (dial, + "size", 32, + "background", GIMP_CIRCLE_BACKGROUND_PLAIN, + "draw-beta", FALSE, + NULL); + gtk_box_pack_start (GTK_BOX (hbox), dial, FALSE, FALSE, 0); + gtk_widget_show (dial); + + g_object_bind_property_full (data->rotate_adj, "value", + dial, "alpha", + G_BINDING_BIDIRECTIONAL | + G_BINDING_SYNC_CREATE, + deg_to_rad, + rad_to_deg, + NULL, NULL); + + g_signal_connect (data->rotate_adj, "value-changed", + G_CALLBACK (rotate_adjustment_changed), + data); + g_signal_connect (shell, "rotated", + G_CALLBACK (display_shell_rotated), + data); + + gtk_widget_show (shell->rotate_dialog); +} + +static void +gimp_display_shell_rotate_dialog_response (GtkWidget *widget, + gint response_id, + RotateDialogData *dialog) +{ + switch (response_id) + { + case RESPONSE_RESET: + gtk_adjustment_set_value (dialog->rotate_adj, 0.0); + break; + + case GTK_RESPONSE_CANCEL: + gtk_adjustment_set_value (dialog->rotate_adj, dialog->old_angle); + /* fall thru */ + + default: + gtk_widget_destroy (dialog->shell->rotate_dialog); + break; + } +} + +static void +gimp_display_shell_rotate_dialog_free (RotateDialogData *dialog) +{ + g_signal_handlers_disconnect_by_func (dialog->shell, + display_shell_rotated, + dialog); + + g_slice_free (RotateDialogData, dialog); +} + +static void +rotate_adjustment_changed (GtkAdjustment *adj, + RotateDialogData *dialog) +{ + gdouble angle = gtk_adjustment_get_value (dialog->rotate_adj); + + g_signal_handlers_block_by_func (dialog->shell, + display_shell_rotated, + dialog); + + gimp_display_shell_rotate_to (dialog->shell, angle); + + g_signal_handlers_unblock_by_func (dialog->shell, + display_shell_rotated, + dialog); +} + +static void +display_shell_rotated (GimpDisplayShell *shell, + RotateDialogData *dialog) +{ + g_signal_handlers_block_by_func (dialog->rotate_adj, + rotate_adjustment_changed, + dialog); + + gtk_adjustment_set_value (dialog->rotate_adj, shell->rotate_angle); + + g_signal_handlers_unblock_by_func (dialog->rotate_adj, + rotate_adjustment_changed, + dialog); +} + +static gboolean +deg_to_rad (GBinding *binding, + const GValue *from_value, + GValue *to_value, + gpointer user_data) +{ + gdouble value = g_value_get_double (from_value); + + value = 360.0 - value; + + value *= G_PI / 180.0; + + g_value_set_double (to_value, value); + + return TRUE; +} + +static gboolean +rad_to_deg (GBinding *binding, + const GValue *from_value, + GValue *to_value, + gpointer user_data) +{ + gdouble value = g_value_get_double (from_value); + + value *= 180.0 / G_PI; + + value = 360.0 - value; + + g_value_set_double (to_value, value); + + return TRUE; +} -- cgit v1.2.3