mirror of https://github.com/GNOME/gimp.git
125 lines
3.5 KiB
C
125 lines
3.5 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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* gimpdisplayshell-grab.c
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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 "gimpdisplayshell.h"
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#include "gimpdisplayshell-grab.h"
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gboolean
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gimp_display_shell_pointer_grab (GimpDisplayShell *shell,
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const GdkEvent *event,
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GdkEventMask event_mask)
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{
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g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), FALSE);
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g_return_val_if_fail (shell->pointer_grabbed == FALSE, FALSE);
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if (event)
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{
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GdkGrabStatus status;
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status = gdk_pointer_grab (gtk_widget_get_window (shell->canvas),
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FALSE, event_mask, NULL, NULL,
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gdk_event_get_time (event));
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if (status != GDK_GRAB_SUCCESS)
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{
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g_printerr ("%s: gdk_pointer_grab failed with status %d\n",
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G_STRFUNC, status);
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return FALSE;
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}
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shell->pointer_grab_time = gdk_event_get_time (event);
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}
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gtk_grab_add (shell->canvas);
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shell->pointer_grabbed = TRUE;
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return TRUE;
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}
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void
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gimp_display_shell_pointer_ungrab (GimpDisplayShell *shell,
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const GdkEvent *event)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (shell->pointer_grabbed == TRUE);
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gtk_grab_remove (shell->canvas);
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if (event)
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{
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gdk_display_pointer_ungrab (gtk_widget_get_display (shell->canvas),
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shell->pointer_grab_time);
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shell->pointer_grab_time = 0;
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}
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shell->pointer_grabbed = FALSE;
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}
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gboolean
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gimp_display_shell_keyboard_grab (GimpDisplayShell *shell,
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const GdkEvent *event)
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{
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GdkGrabStatus status;
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g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), FALSE);
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g_return_val_if_fail (event != NULL, FALSE);
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g_return_val_if_fail (shell->keyboard_grabbed == FALSE, FALSE);
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status = gdk_keyboard_grab (gtk_widget_get_window (shell->canvas),
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FALSE,
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gdk_event_get_time (event));
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if (status != GDK_GRAB_SUCCESS)
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{
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g_printerr ("%s: gdk_keyboard_grab failed with status %d\n",
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G_STRFUNC, status);
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return FALSE;
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}
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shell->keyboard_grabbed = TRUE;
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shell->keyboard_grab_time = gdk_event_get_time (event);
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return TRUE;
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}
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void
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gimp_display_shell_keyboard_ungrab (GimpDisplayShell *shell,
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const GdkEvent *event)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (event != NULL);
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g_return_if_fail (shell->keyboard_grabbed == TRUE);
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gdk_display_keyboard_ungrab (gtk_widget_get_display (shell->canvas),
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shell->keyboard_grab_time);
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shell->keyboard_grabbed = FALSE;
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shell->keyboard_grab_time = 0;
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}
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