mirror of https://github.com/GNOME/gimp.git
620 lines
19 KiB
C
620 lines
19 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995-2002 Spencer Kimball, Peter Mattis and others
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "tools-types.h"
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#include "core/gimpimage.h"
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#include "core/gimptoolinfo.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplayshell.h"
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#include "display/gimpdisplayshell-cursor.h"
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#include "display/gimpstatusbar.h"
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#include "gimptool.h"
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#include "gimptoolcontrol.h"
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enum
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{
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PROP_0,
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PROP_TOOL_INFO
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};
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static void gimp_tool_class_init (GimpToolClass *klass);
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static void gimp_tool_init (GimpTool *tool);
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static void gimp_tool_finalize (GObject *object);
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static void gimp_tool_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gimp_tool_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static gboolean gimp_tool_real_initialize (GimpTool *tool,
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GimpDisplay *gdisp);
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static void gimp_tool_real_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *gdisp);
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static void gimp_tool_real_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_tool_real_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_tool_real_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static gboolean gimp_tool_real_key_press (GimpTool *tool,
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GdkEventKey *kevent,
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GimpDisplay *gdisp);
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static void gimp_tool_real_modifier_key (GimpTool *tool,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_tool_real_oper_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_tool_real_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static GimpObjectClass *parent_class = NULL;
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static gint global_tool_ID = 1;
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GType
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gimp_tool_get_type (void)
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{
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static GType tool_type = 0;
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if (! tool_type)
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{
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static const GTypeInfo tool_info =
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{
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sizeof (GimpToolClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_tool_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpTool),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_tool_init,
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};
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tool_type = g_type_register_static (GIMP_TYPE_OBJECT,
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"GimpTool",
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&tool_info, 0);
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}
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return tool_type;
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}
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static void
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gimp_tool_class_init (GimpToolClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->finalize = gimp_tool_finalize;
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object_class->set_property = gimp_tool_set_property;
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object_class->get_property = gimp_tool_get_property;
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klass->initialize = gimp_tool_real_initialize;
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klass->control = gimp_tool_real_control;
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klass->button_press = gimp_tool_real_button_press;
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klass->button_release = gimp_tool_real_button_release;
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klass->motion = gimp_tool_real_motion;
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klass->key_press = gimp_tool_real_key_press;
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klass->modifier_key = gimp_tool_real_modifier_key;
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klass->oper_update = gimp_tool_real_oper_update;
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klass->cursor_update = gimp_tool_real_cursor_update;
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g_object_class_install_property (object_class, PROP_TOOL_INFO,
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g_param_spec_object ("tool-info",
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NULL, NULL,
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GIMP_TYPE_TOOL_INFO,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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gimp_tool_init (GimpTool *tool)
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{
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tool->tool_info = NULL;
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tool->ID = global_tool_ID++;
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tool->control = g_object_new (GIMP_TYPE_TOOL_CONTROL, NULL);
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tool->gdisp = NULL;
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tool->drawable = NULL;
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tool->focus_display = NULL;
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tool->modifier_state = 0;
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}
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static void
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gimp_tool_finalize (GObject *object)
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{
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GimpTool *tool = GIMP_TOOL (object);
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if (tool->tool_info)
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{
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g_object_unref (tool->tool_info);
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tool->tool_info = NULL;
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}
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if (tool->control)
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{
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g_object_unref (tool->control);
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tool->control = NULL;
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}
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gimp_tool_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GimpTool *tool = GIMP_TOOL (object);
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switch (property_id)
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{
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case PROP_TOOL_INFO:
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tool->tool_info = GIMP_TOOL_INFO (g_value_dup_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_tool_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GimpTool *tool = GIMP_TOOL (object);
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switch (property_id)
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{
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case PROP_TOOL_INFO:
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g_value_set_object (value, tool->tool_info);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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/* standard member functions */
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static gboolean
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gimp_tool_real_initialize (GimpTool *tool,
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GimpDisplay *gdisp)
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{
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return TRUE;
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}
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static void
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gimp_tool_real_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *gdisp)
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{
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}
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static void
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gimp_tool_real_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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tool->gdisp = gdisp;
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tool->drawable = gimp_image_active_drawable (gdisp->gimage);
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gimp_tool_control_activate (tool->control);
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}
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static void
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gimp_tool_real_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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gimp_tool_control_halt (tool->control);
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}
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static void
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gimp_tool_real_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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}
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static gboolean
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gimp_tool_real_key_press (GimpTool *tool,
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GdkEventKey *kevent,
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GimpDisplay *gdisp)
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{
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return FALSE;
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}
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static void
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gimp_tool_real_modifier_key (GimpTool *tool,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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}
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static void
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gimp_tool_real_oper_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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}
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static void
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gimp_tool_real_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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if (gimp_tool_control_is_toggled (tool->control))
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{
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gimp_tool_set_cursor (tool, gdisp,
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gimp_tool_control_get_toggle_cursor (tool->control),
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gimp_tool_control_get_toggle_tool_cursor (tool->control),
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gimp_tool_control_get_toggle_cursor_modifier (tool->control));
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}
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else
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{
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gimp_tool_set_cursor (tool, gdisp,
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gimp_tool_control_get_cursor (tool->control),
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gimp_tool_control_get_tool_cursor (tool->control),
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gimp_tool_control_get_cursor_modifier (tool->control));
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}
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}
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/* public functions */
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gboolean
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gimp_tool_initialize (GimpTool *tool,
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GimpDisplay *gdisp)
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{
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g_return_val_if_fail (GIMP_IS_TOOL (tool), FALSE);
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g_return_val_if_fail (GIMP_IS_DISPLAY (gdisp), FALSE);
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return GIMP_TOOL_GET_CLASS (tool)->initialize (tool, gdisp);
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}
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void
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gimp_tool_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *gdisp)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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switch (action)
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{
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case PAUSE:
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if (! gimp_tool_control_is_paused (tool->control))
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GIMP_TOOL_GET_CLASS (tool)->control (tool, action, gdisp);
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gimp_tool_control_pause (tool->control);
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break;
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case RESUME:
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if (gimp_tool_control_is_paused (tool->control))
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{
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gimp_tool_control_resume (tool->control);
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if (! gimp_tool_control_is_paused (tool->control))
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GIMP_TOOL_GET_CLASS (tool)->control (tool, action, gdisp);
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}
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else
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{
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g_warning ("gimp_tool_control: unable to RESUME tool with "
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"tool->control->paused_count == 0");
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}
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break;
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case HALT:
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GIMP_TOOL_GET_CLASS (tool)->control (tool, action, gdisp);
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if (gimp_tool_control_is_active (tool->control))
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gimp_tool_control_halt (tool->control);
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break;
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}
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}
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void
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gimp_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (coords != NULL);
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g_return_if_fail (GIMP_IS_DISPLAY (gdisp));
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GIMP_TOOL_GET_CLASS (tool)->button_press (tool, coords, time, state, gdisp);
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}
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void
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gimp_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (coords != NULL);
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g_return_if_fail (GIMP_IS_DISPLAY (gdisp));
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GIMP_TOOL_GET_CLASS (tool)->button_release (tool, coords, time, state, gdisp);
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}
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void
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gimp_tool_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (coords != NULL);
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g_return_if_fail (GIMP_IS_DISPLAY (gdisp));
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g_return_if_fail (gimp_tool_control_is_active (tool->control));
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GIMP_TOOL_GET_CLASS (tool)->motion (tool, coords, time, state, gdisp);
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}
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void
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gimp_tool_set_focus_display (GimpTool *tool,
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GimpDisplay *gdisp)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (gdisp == NULL || GIMP_IS_DISPLAY (gdisp));
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#ifdef DEBUG_FOCUS
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g_printerr ("gimp_tool_set_focus_display: gdisp: %p focus_display: %p\n",
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gdisp, tool->focus_display);
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#endif
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if (gdisp != tool->focus_display)
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{
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if (tool->focus_display)
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{
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if (tool->modifier_state != 0)
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gimp_tool_set_modifier_state (tool, 0, tool->focus_display);
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}
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tool->focus_display = gdisp;
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}
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}
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gboolean
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gimp_tool_key_press (GimpTool *tool,
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GdkEventKey *kevent,
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GimpDisplay *gdisp)
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{
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g_return_val_if_fail (GIMP_IS_TOOL (tool), FALSE);
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g_return_val_if_fail (GIMP_IS_DISPLAY (gdisp), FALSE);
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g_return_val_if_fail (gdisp == tool->focus_display, FALSE);
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return GIMP_TOOL_GET_CLASS (tool)->key_press (tool, kevent, gdisp);
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}
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static void
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gimp_tool_modifier_key (GimpTool *tool,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (GIMP_IS_DISPLAY (gdisp));
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g_return_if_fail (gdisp == tool->focus_display);
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GIMP_TOOL_GET_CLASS (tool)->modifier_key (tool, key, press, state, gdisp);
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}
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void
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gimp_tool_set_modifier_state (GimpTool *tool,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (GIMP_IS_DISPLAY (gdisp));
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#ifdef DEBUG_FOCUS
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g_printerr ("gimp_tool_set_modifier_state: gdisp: %p focus_display: %p\n",
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gdisp, tool->focus_display);
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#endif
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g_return_if_fail (gdisp == tool->focus_display);
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if ((tool->modifier_state & GDK_SHIFT_MASK) != (state & GDK_SHIFT_MASK))
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{
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gimp_tool_modifier_key (tool, GDK_SHIFT_MASK,
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(state & GDK_SHIFT_MASK) ? TRUE : FALSE, state,
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gdisp);
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}
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if ((tool->modifier_state & GDK_CONTROL_MASK) != (state & GDK_CONTROL_MASK))
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{
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gimp_tool_modifier_key (tool, GDK_CONTROL_MASK,
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(state & GDK_CONTROL_MASK) ? TRUE : FALSE, state,
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gdisp);
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}
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if ((tool->modifier_state & GDK_MOD1_MASK) != (state & GDK_MOD1_MASK))
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{
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gimp_tool_modifier_key (tool, GDK_MOD1_MASK,
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(state & GDK_MOD1_MASK) ? TRUE : FALSE, state,
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gdisp);
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}
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tool->modifier_state = state;
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}
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void
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gimp_tool_oper_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (coords != NULL);
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g_return_if_fail (GIMP_IS_DISPLAY (gdisp));
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GIMP_TOOL_GET_CLASS (tool)->oper_update (tool, coords, state, gdisp);
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}
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void
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gimp_tool_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (coords != NULL);
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g_return_if_fail (GIMP_IS_DISPLAY (gdisp));
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GIMP_TOOL_GET_CLASS (tool)->cursor_update (tool, coords, state, gdisp);
|
|
}
|
|
|
|
void
|
|
gimp_tool_push_status (GimpTool *tool,
|
|
const gchar *message)
|
|
{
|
|
GimpStatusbar *statusbar;
|
|
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (tool->gdisp));
|
|
g_return_if_fail (message != NULL);
|
|
|
|
statusbar =
|
|
GIMP_STATUSBAR (GIMP_DISPLAY_SHELL (tool->gdisp->shell)->statusbar);
|
|
|
|
gimp_statusbar_push (statusbar, G_OBJECT_TYPE_NAME (tool), message);
|
|
}
|
|
|
|
void
|
|
gimp_tool_push_status_coords (GimpTool *tool,
|
|
const gchar *title,
|
|
gdouble x,
|
|
const gchar *separator,
|
|
gdouble y)
|
|
{
|
|
GimpStatusbar *statusbar;
|
|
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (tool->gdisp));
|
|
g_return_if_fail (title != NULL);
|
|
g_return_if_fail (separator != NULL);
|
|
|
|
statusbar =
|
|
GIMP_STATUSBAR (GIMP_DISPLAY_SHELL (tool->gdisp->shell)->statusbar);
|
|
|
|
gimp_statusbar_push_coords (statusbar, G_OBJECT_TYPE_NAME (tool),
|
|
title, x, separator, y);
|
|
}
|
|
|
|
void
|
|
gimp_tool_push_status_length (GimpTool *tool,
|
|
const gchar *title,
|
|
GimpOrientationType axis,
|
|
gdouble value)
|
|
{
|
|
GimpStatusbar *statusbar;
|
|
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (tool->gdisp));
|
|
g_return_if_fail (title != NULL);
|
|
|
|
statusbar =
|
|
GIMP_STATUSBAR (GIMP_DISPLAY_SHELL (tool->gdisp->shell)->statusbar);
|
|
|
|
gimp_statusbar_push_length (statusbar, G_OBJECT_TYPE_NAME (tool),
|
|
title, axis, value);
|
|
}
|
|
|
|
void
|
|
gimp_tool_pop_status (GimpTool *tool)
|
|
{
|
|
GimpStatusbar *statusbar;
|
|
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (tool->gdisp));
|
|
|
|
statusbar =
|
|
GIMP_STATUSBAR (GIMP_DISPLAY_SHELL (tool->gdisp->shell)->statusbar);
|
|
|
|
gimp_statusbar_pop (statusbar, G_OBJECT_TYPE_NAME (tool));
|
|
}
|
|
|
|
void
|
|
gimp_tool_set_cursor (GimpTool *tool,
|
|
GimpDisplay *gdisp,
|
|
GimpCursorType cursor,
|
|
GimpToolCursorType tool_cursor,
|
|
GimpCursorModifier modifier)
|
|
{
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (gdisp));
|
|
|
|
gimp_display_shell_set_cursor (GIMP_DISPLAY_SHELL (gdisp->shell),
|
|
cursor, tool_cursor, modifier);
|
|
}
|