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gimp/app/tools/tool_manager.c

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/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "apptypes.h"
#include "appenv.h"
#include "context_manager.h"
#include "dialog_handler.h"
#include "gdisplay.h"
#include "gimpcontainer.h"
#include "gimpcontext.h"
#include "gimpdnd.h"
#include "gimpimage.h"
#include "gimplist.h"
#include "gimpui.h"
#include "gimptool.h"
#include "gimptoolinfo.h"
#include "tool_manager.h"
#include "tool_options.h"
#include "tool_options_dialog.h"
#include "gimpairbrushtool.h"
#include "gimppaintbrushtool.h"
#include "gimpdodgeburntool.h"
#include "gimperasertool.h"
#include "gimppenciltool.h"
#include "libgimp/gimpintl.h"
/* Global Data */
GimpTool *active_tool = NULL;
GimpContainer *global_tool_info_list = NULL;
static GSList *tool_stack = NULL;
/* Function definitions */
static void
active_tool_unref (void)
{
if (! active_tool)
return;
gtk_object_unref (GTK_OBJECT (active_tool));
active_tool = NULL;
}
void
tool_manager_select_tool (GimpTool *tool)
{
g_return_if_fail (tool != NULL);
g_return_if_fail (GIMP_IS_TOOL (tool));
if (active_tool)
active_tool_unref ();
active_tool = tool;
}
void
tool_manager_push_tool (GimpTool *tool)
{
g_return_if_fail (tool != NULL);
g_return_if_fail (GIMP_IS_TOOL (tool));
if (active_tool)
{
gtk_object_ref (GTK_OBJECT (active_tool));
tool_stack = g_slist_prepend (tool_stack, active_tool);
}
tool_manager_select_tool (tool);
}
void
tool_manager_pop_tool (void)
{
if (tool_stack)
{
tool_manager_select_tool (GIMP_TOOL (tool_stack->data));
tool_stack = g_slist_remove (tool_stack, active_tool);
}
}
void
tool_manager_initialize_tool (GimpTool *tool, /* FIXME: remove tool param */
GDisplay *gdisp)
{
GimpToolInfo *tool_info;
/* Tools which have an init function have dialogs and
* cannot be initialized without a display
*/
if (GIMP_TOOL_CLASS (GTK_OBJECT (tool)->klass)->initialize && ! gdisp)
{
#ifdef __GNUC__
#warning FIXME tool_type = RECT_SELECT;
#endif
}
/* Force the emission of the "tool_changed" signal
*/
tool_info = gimp_context_get_tool (gimp_context_get_user ());
if (GTK_OBJECT (tool)->klass->type == tool_info->tool_type)
{
gimp_context_tool_changed (gimp_context_get_user ());
}
else
{
GList *list;
for (list = GIMP_LIST (global_tool_info_list)->list;
list;
list = g_list_next (list))
{
tool_info = GIMP_TOOL_INFO (list->data);
if (tool_info->tool_type == GTK_OBJECT (tool)->klass->type)
{
gimp_context_set_tool (gimp_context_get_user (), tool_info);
break;
}
}
}
gimp_tool_initialize (active_tool, gdisp);
if (gdisp)
active_tool->drawable = gimp_image_active_drawable (gdisp->gimage);
/* don't set tool->gdisp here! (see commands.c) */
}
void
tool_manager_control_active (ToolAction action,
GDisplay *gdisp)
{
if (active_tool)
{
if (active_tool->gdisp == gdisp)
{
switch (action)
{
case PAUSE:
if (active_tool->state == ACTIVE)
{
if (! active_tool->paused_count)
{
active_tool->state = PAUSED;
gimp_tool_control (active_tool, action, gdisp);
}
}
active_tool->paused_count++;
break;
case RESUME:
active_tool->paused_count--;
if (active_tool->state == PAUSED)
{
if (! active_tool->paused_count)
{
active_tool->state = ACTIVE;
gimp_tool_control (active_tool, action, gdisp);
}
}
break;
case HALT:
active_tool->state = INACTIVE;
gimp_tool_control (active_tool, action, gdisp);
break;
case DESTROY:
gtk_object_unref (GTK_OBJECT (active_tool));
active_tool = NULL;
break;
default:
break;
}
}
else if (action == HALT)
{
active_tool->state = INACTIVE;
}
}
}
#ifdef __GNUC__
#warning bogosity alert
#endif
#if 0
void
tools_register (ToolType tool_type,
ToolOptions *tool_options)
{
g_return_if_fail (tool_options != NULL);
tool_info [(gint) tool_type].tool_options = tool_options;
/* need to check whether the widget is visible...this can happen
* because some tools share options such as the transformation tools
*/
if (! GTK_WIDGET_VISIBLE (tool_options->main_vbox))
{
gtk_box_pack_start (GTK_BOX (options_vbox), tool_options->main_vbox,
TRUE, TRUE, 0);
gtk_widget_show (tool_options->main_vbox);
}
gtk_label_set_text (GTK_LABEL (options_label), tool_options->title);
gtk_pixmap_set (GTK_PIXMAP (options_pixmap),
tool_get_pixmap (tool_type), tool_get_mask (tool_type));
gtk_widget_queue_draw (options_pixmap);
gimp_help_set_help_data (options_eventbox,
gettext (tool_info[(gint) tool_type].tool_desc),
tool_info[(gint) tool_type].private_tip);
}
#endif
void
tool_manager_init (void)
{
global_tool_info_list = gimp_list_new (GIMP_TYPE_TOOL_INFO,
GIMP_CONTAINER_POLICY_STRONG);
}
void
tool_manager_register_tool (GtkType tool_type,
gboolean tool_context,
const gchar *identifier,
const gchar *blurb,
const gchar *help,
const gchar *menu_path,
const gchar *menu_accel,
const gchar *help_domain,
const gchar *help_data,
const gchar **icon_data)
{
GimpToolInfo *tool_info;
tool_info = gimp_tool_info_new (tool_type,
tool_context,
identifier,
blurb,
help,
menu_path,
menu_accel,
help_domain,
help_data,
icon_data);
gimp_container_add (global_tool_info_list, GIMP_OBJECT (tool_info));
}
void
tool_manager_register_tool_options (GtkType tool_type,
ToolOptions *tool_options)
{
GimpToolInfo *tool_info;
tool_info = tool_manager_get_info_by_type (tool_type);
if (! tool_info)
{
g_warning ("%s(): no tool info registered for %s",
G_GNUC_FUNCTION, gtk_type_name (tool_type));
return;
}
tool_info->tool_options = tool_options;
tool_options_dialog_add (tool_options);
}
GimpToolInfo *
tool_manager_get_info_by_type (GtkType tool_type)
{
GimpToolInfo *tool_info;
GList *list;
for (list = GIMP_LIST (global_tool_info_list)->list;
list;
list = g_list_next (list))
{
tool_info = (GimpToolInfo *) list->data;
if (tool_info->tool_type == tool_type)
return tool_info;
}
return NULL;
}
GimpToolInfo *
tool_manager_get_info_by_tool (GimpTool *tool)
{
g_return_val_if_fail (tool != NULL, NULL);
g_return_val_if_fail (GIMP_IS_TOOL (tool), NULL);
return tool_manager_get_info_by_type (GTK_OBJECT (tool)->klass->type);
}
const gchar *
tool_manager_active_get_PDB_string (void)
{
GimpToolInfo *tool_info;
const gchar *tool_str = "gimp_paintbrush_default";
/* Return the correct PDB function for the active tool
* The default is paintbrush if the tool is not recognized
*/
if (! active_tool)
return tool_str;
tool_info = gimp_context_get_tool (gimp_context_get_user ());
if (tool_info->tool_type == GIMP_TYPE_PENCIL_TOOL)
{
tool_str = "gimp_pencil";
}
else if (tool_info->tool_type == GIMP_TYPE_PAINTBRUSH_TOOL)
{
tool_str = "gimp_paintbrush_default";
}
else if (tool_info->tool_type == GIMP_TYPE_ERASER_TOOL)
{
tool_str = "gimp_eraser_default";
}
else if (tool_info->tool_type == GIMP_TYPE_AIRBRUSH_TOOL)
{
tool_str = "gimp_airbrush_default";
}
else if (tool_info->tool_type == GIMP_TYPE_CLONE_TOOL)
{
tool_str = "gimp_clone_default";
}
else if (tool_info->tool_type == GIMP_TYPE_CONVOLVE_TOOL)
{
tool_str = "gimp_convolve_default";
}
else if (tool_info->tool_type == GIMP_TYPE_SMUDGE_TOOL)
{
tool_str = "gimp_smudge_default";
}
else if (tool_info->tool_type == GIMP_TYPE_DODGEBURN_TOOL)
{
tool_str = "gimp_dodgeburn_default";
}
return tool_str;
}
const gchar *
tool_manager_active_get_help_data (void)
{
g_return_val_if_fail (active_tool != NULL, NULL);
return tool_manager_get_info_by_tool (active_tool)->help_data;
}
void
tool_manager_help_func (const gchar *help_data)
{
gimp_standard_help_func (tool_manager_active_get_help_data ());
}
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