mirror of https://github.com/GNOME/gimp.git
294 lines
9.3 KiB
C
294 lines
9.3 KiB
C
/* 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <gegl.h>
|
|
#include <gtk/gtk.h>
|
|
|
|
#include "display-types.h"
|
|
|
|
#include "config/gimpguiconfig.h"
|
|
|
|
#include "core/gimp.h"
|
|
#include "core/gimpimage.h"
|
|
|
|
#include "widgets/gimpcursor.h"
|
|
#include "widgets/gimpdialogfactory.h"
|
|
#include "widgets/gimpsessioninfo.h"
|
|
|
|
#include "gimpdisplay.h"
|
|
#include "gimpcursorview.h"
|
|
#include "gimpdisplayshell.h"
|
|
#include "gimpdisplayshell-cursor.h"
|
|
#include "gimpdisplayshell-expose.h"
|
|
#include "gimpdisplayshell-transform.h"
|
|
#include "gimpstatusbar.h"
|
|
|
|
|
|
static void gimp_display_shell_real_set_cursor (GimpDisplayShell *shell,
|
|
GimpCursorType cursor_type,
|
|
GimpToolCursorType tool_cursor,
|
|
GimpCursorModifier modifier,
|
|
gboolean always_install);
|
|
|
|
|
|
/* public functions */
|
|
|
|
void
|
|
gimp_display_shell_set_cursor (GimpDisplayShell *shell,
|
|
GimpCursorType cursor_type,
|
|
GimpToolCursorType tool_cursor,
|
|
GimpCursorModifier modifier)
|
|
{
|
|
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
|
|
|
|
if (! shell->using_override_cursor)
|
|
{
|
|
gimp_display_shell_real_set_cursor (shell,
|
|
cursor_type,
|
|
tool_cursor,
|
|
modifier,
|
|
FALSE);
|
|
}
|
|
}
|
|
|
|
void
|
|
gimp_display_shell_unset_cursor (GimpDisplayShell *shell)
|
|
{
|
|
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
|
|
|
|
if (! shell->using_override_cursor)
|
|
{
|
|
gimp_display_shell_real_set_cursor (shell,
|
|
(GimpCursorType) -1, 0, 0, FALSE);
|
|
}
|
|
}
|
|
|
|
void
|
|
gimp_display_shell_set_override_cursor (GimpDisplayShell *shell,
|
|
GimpCursorType cursor_type)
|
|
{
|
|
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
|
|
|
|
if (! shell->using_override_cursor ||
|
|
(shell->using_override_cursor &&
|
|
shell->override_cursor != cursor_type))
|
|
{
|
|
shell->override_cursor = cursor_type;
|
|
shell->using_override_cursor = TRUE;
|
|
|
|
gimp_cursor_set (shell->canvas,
|
|
shell->cursor_format,
|
|
cursor_type,
|
|
GIMP_TOOL_CURSOR_NONE,
|
|
GIMP_CURSOR_MODIFIER_NONE);
|
|
}
|
|
}
|
|
|
|
void
|
|
gimp_display_shell_unset_override_cursor (GimpDisplayShell *shell)
|
|
{
|
|
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
|
|
|
|
if (shell->using_override_cursor)
|
|
{
|
|
shell->using_override_cursor = FALSE;
|
|
|
|
gimp_display_shell_real_set_cursor (shell,
|
|
shell->current_cursor,
|
|
shell->tool_cursor,
|
|
shell->cursor_modifier,
|
|
TRUE);
|
|
}
|
|
}
|
|
|
|
void
|
|
gimp_display_shell_update_cursor (GimpDisplayShell *shell,
|
|
GimpCursorPrecision precision,
|
|
gint display_x,
|
|
gint display_y,
|
|
gdouble image_x,
|
|
gdouble image_y)
|
|
{
|
|
GimpStatusbar *statusbar;
|
|
GimpDialogFactory *factory;
|
|
GimpSessionInfo *session_info;
|
|
GimpImage *image;
|
|
gboolean new_cursor;
|
|
|
|
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
|
|
|
|
image = gimp_display_get_image (shell->display);
|
|
|
|
new_cursor = (shell->draw_cursor &&
|
|
shell->proximity &&
|
|
display_x >= 0 &&
|
|
display_y >= 0);
|
|
|
|
/* Erase old cursor, if necessary */
|
|
|
|
if (shell->have_cursor && (! new_cursor ||
|
|
display_x != shell->cursor_x ||
|
|
display_y != shell->cursor_y))
|
|
{
|
|
gimp_display_shell_expose_area (shell,
|
|
shell->cursor_x - 7,
|
|
shell->cursor_y - 7,
|
|
15, 15);
|
|
if (! new_cursor)
|
|
shell->have_cursor = FALSE;
|
|
}
|
|
|
|
shell->have_cursor = new_cursor;
|
|
shell->cursor_x = display_x;
|
|
shell->cursor_y = display_y;
|
|
|
|
/* use the passed image_coords for the statusbar because they are
|
|
* possibly snapped...
|
|
*/
|
|
statusbar = gimp_display_shell_get_statusbar (shell);
|
|
|
|
gimp_statusbar_update_cursor (statusbar, precision, image_x, image_y);
|
|
|
|
factory = gimp_dialog_factory_from_name ("dock");
|
|
session_info = gimp_dialog_factory_find_session_info (factory,
|
|
"gimp-cursor-view");
|
|
if (session_info && gimp_session_info_get_widget (session_info))
|
|
{
|
|
GtkWidget *cursor_view;
|
|
|
|
cursor_view = gtk_bin_get_child (GTK_BIN (gimp_session_info_get_widget (session_info)));
|
|
|
|
if (cursor_view)
|
|
{
|
|
gint t_x = -1;
|
|
gint t_y = -1;
|
|
|
|
/* ...but use the unsnapped display_coords for the info window */
|
|
if (display_x >= 0 && display_y >= 0)
|
|
gimp_display_shell_untransform_xy (shell, display_x, display_y,
|
|
&t_x, &t_y, FALSE, FALSE);
|
|
|
|
gimp_cursor_view_update_cursor (GIMP_CURSOR_VIEW (cursor_view),
|
|
image, shell->unit,
|
|
t_x, t_y);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
gimp_display_shell_clear_cursor (GimpDisplayShell *shell)
|
|
{
|
|
GimpStatusbar *statusbar;
|
|
GimpDialogFactory *factory;
|
|
GimpSessionInfo *session_info;
|
|
|
|
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
|
|
|
|
statusbar = gimp_display_shell_get_statusbar (shell);
|
|
|
|
gimp_statusbar_clear_cursor (statusbar);
|
|
|
|
factory = gimp_dialog_factory_from_name ("dock");
|
|
session_info = gimp_dialog_factory_find_session_info (factory,
|
|
"gimp-cursor-view");
|
|
if (session_info && gimp_session_info_get_widget (session_info))
|
|
{
|
|
GtkWidget *cursor_view;
|
|
|
|
cursor_view = gtk_bin_get_child (GTK_BIN (gimp_session_info_get_widget (session_info)));
|
|
|
|
if (cursor_view)
|
|
gimp_cursor_view_clear_cursor (GIMP_CURSOR_VIEW (cursor_view));
|
|
}
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
static void
|
|
gimp_display_shell_real_set_cursor (GimpDisplayShell *shell,
|
|
GimpCursorType cursor_type,
|
|
GimpToolCursorType tool_cursor,
|
|
GimpCursorModifier modifier,
|
|
gboolean always_install)
|
|
{
|
|
GimpCursorFormat cursor_format;
|
|
|
|
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
|
|
|
|
if (cursor_type == (GimpCursorType) -1)
|
|
{
|
|
shell->current_cursor = cursor_type;
|
|
|
|
if (gtk_widget_is_drawable (shell->canvas))
|
|
gdk_window_set_cursor (gtk_widget_get_window (shell->canvas), NULL);
|
|
|
|
return;
|
|
}
|
|
|
|
if (cursor_type != GIMP_CURSOR_NONE &&
|
|
cursor_type != GIMP_CURSOR_BAD)
|
|
{
|
|
switch (shell->display->config->cursor_mode)
|
|
{
|
|
case GIMP_CURSOR_MODE_TOOL_ICON:
|
|
break;
|
|
|
|
case GIMP_CURSOR_MODE_TOOL_CROSSHAIR:
|
|
if (cursor_type < GIMP_CURSOR_CORNER_TOP_LEFT ||
|
|
cursor_type > GIMP_CURSOR_SIDE_BOTTOM)
|
|
{
|
|
/* the corner and side cursors count as crosshair, so leave
|
|
* them and override everything else
|
|
*/
|
|
cursor_type = GIMP_CURSOR_CROSSHAIR_SMALL;
|
|
}
|
|
break;
|
|
|
|
case GIMP_CURSOR_MODE_CROSSHAIR:
|
|
cursor_type = GIMP_CURSOR_CROSSHAIR;
|
|
tool_cursor = GIMP_TOOL_CURSOR_NONE;
|
|
|
|
if (modifier != GIMP_CURSOR_MODIFIER_BAD)
|
|
{
|
|
/* the bad modifier is always shown */
|
|
modifier = GIMP_CURSOR_MODIFIER_NONE;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
cursor_format = GIMP_GUI_CONFIG (shell->display->config)->cursor_format;
|
|
|
|
if (shell->cursor_format != cursor_format ||
|
|
shell->current_cursor != cursor_type ||
|
|
shell->tool_cursor != tool_cursor ||
|
|
shell->cursor_modifier != modifier ||
|
|
always_install)
|
|
{
|
|
shell->cursor_format = cursor_format;
|
|
shell->current_cursor = cursor_type;
|
|
shell->tool_cursor = tool_cursor;
|
|
shell->cursor_modifier = modifier;
|
|
|
|
gimp_cursor_set (shell->canvas, cursor_format,
|
|
cursor_type, tool_cursor, modifier);
|
|
}
|
|
}
|