253 lines
7.9 KiB
C
253 lines
7.9 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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* pikatool-progress.c
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* Copyright (C) 2011 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 <gegl.h>
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#include <gtk/gtk.h>
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#include <gdk/gdkkeysyms.h>
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#include "tools-types.h"
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#include "core/pikaprogress.h"
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#include "widgets/pikawidgets-utils.h"
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#include "display/pikacanvasprogress.h"
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#include "display/pikadisplay.h"
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#include "display/pikadisplayshell.h"
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#include "display/pikadisplayshell-items.h"
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#include "display/pikadisplayshell-transform.h"
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#include "pikatool.h"
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#include "pikatool-progress.h"
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/* local function prototypes */
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static PikaProgress * pika_tool_progress_start (PikaProgress *progress,
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gboolean cancelable,
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const gchar *message);
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static void pika_tool_progress_end (PikaProgress *progress);
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static gboolean pika_tool_progress_is_active (PikaProgress *progress);
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static void pika_tool_progress_set_text (PikaProgress *progress,
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const gchar *message);
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static void pika_tool_progress_set_value (PikaProgress *progress,
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gdouble percentage);
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static gdouble pika_tool_progress_get_value (PikaProgress *progress);
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static void pika_tool_progress_pulse (PikaProgress *progress);
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static gboolean pika_tool_progress_message (PikaProgress *progress,
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Pika *pika,
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PikaMessageSeverity severity,
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const gchar *domain,
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const gchar *message);
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/* public functions */
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void
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pika_tool_progress_iface_init (PikaProgressInterface *iface)
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{
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iface->start = pika_tool_progress_start;
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iface->end = pika_tool_progress_end;
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iface->is_active = pika_tool_progress_is_active;
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iface->set_text = pika_tool_progress_set_text;
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iface->set_value = pika_tool_progress_set_value;
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iface->get_value = pika_tool_progress_get_value;
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iface->pulse = pika_tool_progress_pulse;
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iface->message = pika_tool_progress_message;
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}
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/* private functions */
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static gboolean
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pika_tool_progress_button_press (GtkWidget *widget,
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const GdkEventButton *bevent,
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PikaTool *tool)
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{
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if (tool->progress_cancelable &&
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bevent->type == GDK_BUTTON_PRESS &&
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bevent->button == 1)
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{
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GtkWidget *event_widget;
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PikaDisplayShell *shell;
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event_widget = gtk_get_event_widget ((GdkEvent *) bevent);
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shell = pika_display_get_shell (tool->progress_display);
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if (shell->canvas == event_widget)
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{
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gint x, y;
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pika_display_shell_unzoom_xy (shell, bevent->x, bevent->y,
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&x, &y, FALSE);
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if (pika_canvas_item_hit (tool->progress, x, y))
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{
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pika_progress_cancel (PIKA_PROGRESS (tool));
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}
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}
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}
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return TRUE;
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}
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static gboolean
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pika_tool_progress_key_press (GtkWidget *widget,
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const GdkEventKey *kevent,
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PikaTool *tool)
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{
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if (tool->progress_cancelable &&
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kevent->keyval == GDK_KEY_Escape)
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{
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pika_progress_cancel (PIKA_PROGRESS (tool));
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}
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return TRUE;
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}
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static PikaProgress *
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pika_tool_progress_start (PikaProgress *progress,
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gboolean cancelable,
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const gchar *message)
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{
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PikaTool *tool = PIKA_TOOL (progress);
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PikaDisplayShell *shell;
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gint x, y;
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g_return_val_if_fail (PIKA_IS_DISPLAY (tool->display), NULL);
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g_return_val_if_fail (tool->progress == NULL, NULL);
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shell = pika_display_get_shell (tool->display);
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x = shell->disp_width / 2;
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y = shell->disp_height / 2;
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pika_display_shell_unzoom_xy (shell, x, y, &x, &y, FALSE);
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tool->progress = pika_canvas_progress_new (shell,
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PIKA_HANDLE_ANCHOR_CENTER,
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x, y);
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pika_display_shell_add_unrotated_item (shell, tool->progress);
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g_object_unref (tool->progress);
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pika_progress_start (PIKA_PROGRESS (tool->progress), FALSE,
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"%s", message);
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tool->progress_display = tool->display;
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tool->progress_grab_widget = gtk_invisible_new ();
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gtk_widget_show (tool->progress_grab_widget);
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gtk_grab_add (tool->progress_grab_widget);
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g_signal_connect (tool->progress_grab_widget, "button-press-event",
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G_CALLBACK (pika_tool_progress_button_press),
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tool);
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g_signal_connect (tool->progress_grab_widget, "key-press-event",
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G_CALLBACK (pika_tool_progress_key_press),
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tool);
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tool->progress_cancelable = cancelable;
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return progress;
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}
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static void
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pika_tool_progress_end (PikaProgress *progress)
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{
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PikaTool *tool = PIKA_TOOL (progress);
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if (tool->progress)
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{
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PikaDisplayShell *shell = pika_display_get_shell (tool->progress_display);
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pika_progress_end (PIKA_PROGRESS (tool->progress));
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pika_display_shell_remove_unrotated_item (shell, tool->progress);
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gtk_grab_remove (tool->progress_grab_widget);
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gtk_widget_destroy (tool->progress_grab_widget);
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tool->progress = NULL;
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tool->progress_display = NULL;
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tool->progress_grab_widget = NULL;
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tool->progress_cancelable = FALSE;
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}
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}
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static gboolean
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pika_tool_progress_is_active (PikaProgress *progress)
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{
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PikaTool *tool = PIKA_TOOL (progress);
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return tool->progress != NULL;
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}
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static void
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pika_tool_progress_set_text (PikaProgress *progress,
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const gchar *message)
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{
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PikaTool *tool = PIKA_TOOL (progress);
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if (tool->progress)
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pika_progress_set_text_literal (PIKA_PROGRESS (tool->progress), message);
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}
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static void
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pika_tool_progress_set_value (PikaProgress *progress,
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gdouble percentage)
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{
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PikaTool *tool = PIKA_TOOL (progress);
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if (tool->progress)
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pika_progress_set_value (PIKA_PROGRESS (tool->progress), percentage);
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}
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static gdouble
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pika_tool_progress_get_value (PikaProgress *progress)
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{
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PikaTool *tool = PIKA_TOOL (progress);
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if (tool->progress)
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return pika_progress_get_value (PIKA_PROGRESS (tool->progress));
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return 0.0;
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}
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static void
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pika_tool_progress_pulse (PikaProgress *progress)
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{
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}
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static gboolean
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pika_tool_progress_message (PikaProgress *progress,
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Pika *pika,
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PikaMessageSeverity severity,
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const gchar *domain,
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const gchar *message)
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{
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return FALSE;
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}
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