11b1300b6f
Instead of including dialogs/dialogs.h everywhere, introduce gimp_dialog_factory_get_singleton(). The dialog factory singleton is still initialized by dialogs.c though. Right now the assumption is that we never will have another dialog factory instance around. There were so many problems before when we had four of them, so let's just keep one of them around.
290 lines
9.1 KiB
C
290 lines
9.1 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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 <http://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 "display-types.h"
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#include "config/gimpguiconfig.h"
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#include "core/gimp.h"
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#include "core/gimpimage.h"
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#include "widgets/gimpcursor.h"
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#include "widgets/gimpdialogfactory.h"
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#include "widgets/gimpsessioninfo.h"
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#include "gimpdisplay.h"
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#include "gimpcursorview.h"
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#include "gimpdisplayshell.h"
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#include "gimpdisplayshell-cursor.h"
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#include "gimpdisplayshell-expose.h"
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#include "gimpdisplayshell-transform.h"
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#include "gimpstatusbar.h"
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static void gimp_display_shell_real_set_cursor (GimpDisplayShell *shell,
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GimpCursorType cursor_type,
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GimpToolCursorType tool_cursor,
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GimpCursorModifier modifier,
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gboolean always_install);
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/* public functions */
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void
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gimp_display_shell_set_cursor (GimpDisplayShell *shell,
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GimpCursorType cursor_type,
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GimpToolCursorType tool_cursor,
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GimpCursorModifier modifier)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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if (! shell->using_override_cursor)
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{
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gimp_display_shell_real_set_cursor (shell,
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cursor_type,
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tool_cursor,
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modifier,
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FALSE);
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}
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}
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void
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gimp_display_shell_unset_cursor (GimpDisplayShell *shell)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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if (! shell->using_override_cursor)
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{
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gimp_display_shell_real_set_cursor (shell,
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(GimpCursorType) -1, 0, 0, FALSE);
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}
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}
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void
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gimp_display_shell_set_override_cursor (GimpDisplayShell *shell,
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GimpCursorType cursor_type)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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if (! shell->using_override_cursor ||
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(shell->using_override_cursor &&
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shell->override_cursor != cursor_type))
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{
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shell->override_cursor = cursor_type;
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shell->using_override_cursor = TRUE;
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gimp_cursor_set (shell->canvas,
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shell->cursor_format,
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cursor_type,
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GIMP_TOOL_CURSOR_NONE,
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GIMP_CURSOR_MODIFIER_NONE);
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}
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}
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void
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gimp_display_shell_unset_override_cursor (GimpDisplayShell *shell)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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if (shell->using_override_cursor)
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{
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shell->using_override_cursor = FALSE;
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gimp_display_shell_real_set_cursor (shell,
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shell->current_cursor,
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shell->tool_cursor,
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shell->cursor_modifier,
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TRUE);
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}
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}
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void
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gimp_display_shell_update_cursor (GimpDisplayShell *shell,
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GimpCursorPrecision precision,
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gint display_x,
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gint display_y,
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gdouble image_x,
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gdouble image_y)
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{
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GimpStatusbar *statusbar;
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GimpSessionInfo *session_info;
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GimpImage *image;
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gboolean new_cursor;
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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image = gimp_display_get_image (shell->display);
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new_cursor = (shell->draw_cursor &&
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shell->proximity &&
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display_x >= 0 &&
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display_y >= 0);
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/* Erase old cursor, if necessary */
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if (shell->have_cursor && (! new_cursor ||
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display_x != shell->cursor_x ||
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display_y != shell->cursor_y))
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{
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gimp_display_shell_expose_area (shell,
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shell->cursor_x - 7,
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shell->cursor_y - 7,
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15, 15);
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if (! new_cursor)
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shell->have_cursor = FALSE;
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}
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shell->have_cursor = new_cursor;
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shell->cursor_x = display_x;
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shell->cursor_y = display_y;
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/* use the passed image_coords for the statusbar because they are
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* possibly snapped...
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*/
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statusbar = gimp_display_shell_get_statusbar (shell);
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gimp_statusbar_update_cursor (statusbar, precision, image_x, image_y);
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session_info = gimp_dialog_factory_find_session_info (gimp_dialog_factory_get_singleton (),
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"gimp-cursor-view");
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if (session_info && gimp_session_info_get_widget (session_info))
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{
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GtkWidget *cursor_view;
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cursor_view = gtk_bin_get_child (GTK_BIN (gimp_session_info_get_widget (session_info)));
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if (cursor_view)
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{
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gint t_x = -1;
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gint t_y = -1;
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/* ...but use the unsnapped display_coords for the info window */
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if (display_x >= 0 && display_y >= 0)
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gimp_display_shell_untransform_xy (shell, display_x, display_y,
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&t_x, &t_y, FALSE, FALSE);
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gimp_cursor_view_update_cursor (GIMP_CURSOR_VIEW (cursor_view),
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image, shell->unit,
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t_x, t_y);
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}
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}
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}
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void
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gimp_display_shell_clear_cursor (GimpDisplayShell *shell)
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{
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GimpStatusbar *statusbar;
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GimpSessionInfo *session_info;
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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statusbar = gimp_display_shell_get_statusbar (shell);
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gimp_statusbar_clear_cursor (statusbar);
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session_info = gimp_dialog_factory_find_session_info (gimp_dialog_factory_get_singleton (),
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"gimp-cursor-view");
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if (session_info && gimp_session_info_get_widget (session_info))
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{
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GtkWidget *cursor_view;
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cursor_view = gtk_bin_get_child (GTK_BIN (gimp_session_info_get_widget (session_info)));
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if (cursor_view)
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gimp_cursor_view_clear_cursor (GIMP_CURSOR_VIEW (cursor_view));
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}
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}
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/* private functions */
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static void
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gimp_display_shell_real_set_cursor (GimpDisplayShell *shell,
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GimpCursorType cursor_type,
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GimpToolCursorType tool_cursor,
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GimpCursorModifier modifier,
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gboolean always_install)
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{
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GimpCursorFormat cursor_format;
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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if (cursor_type == (GimpCursorType) -1)
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{
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shell->current_cursor = cursor_type;
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if (gtk_widget_is_drawable (shell->canvas))
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gdk_window_set_cursor (gtk_widget_get_window (shell->canvas), NULL);
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return;
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}
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if (cursor_type != GIMP_CURSOR_NONE &&
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cursor_type != GIMP_CURSOR_BAD)
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{
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switch (shell->display->config->cursor_mode)
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{
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case GIMP_CURSOR_MODE_TOOL_ICON:
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break;
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case GIMP_CURSOR_MODE_TOOL_CROSSHAIR:
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if (cursor_type < GIMP_CURSOR_CORNER_TOP_LEFT ||
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cursor_type > GIMP_CURSOR_SIDE_BOTTOM)
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{
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/* the corner and side cursors count as crosshair, so leave
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* them and override everything else
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*/
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cursor_type = GIMP_CURSOR_CROSSHAIR_SMALL;
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}
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break;
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case GIMP_CURSOR_MODE_CROSSHAIR:
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cursor_type = GIMP_CURSOR_CROSSHAIR;
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tool_cursor = GIMP_TOOL_CURSOR_NONE;
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if (modifier != GIMP_CURSOR_MODIFIER_BAD)
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{
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/* the bad modifier is always shown */
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modifier = GIMP_CURSOR_MODIFIER_NONE;
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}
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break;
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}
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}
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cursor_format = GIMP_GUI_CONFIG (shell->display->config)->cursor_format;
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if (shell->cursor_format != cursor_format ||
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shell->current_cursor != cursor_type ||
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shell->tool_cursor != tool_cursor ||
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shell->cursor_modifier != modifier ||
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always_install)
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{
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shell->cursor_format = cursor_format;
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shell->current_cursor = cursor_type;
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shell->tool_cursor = tool_cursor;
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shell->cursor_modifier = modifier;
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gimp_cursor_set (shell->canvas, cursor_format,
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cursor_type, tool_cursor, modifier);
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}
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}
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