mirror of https://github.com/GNOME/gimp.git
340 lines
9.5 KiB
C
340 lines
9.5 KiB
C
/* The GIMP -- an 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 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 "apptypes.h"
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#include "tools/gimptool.h"
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#include "tools/gimptoolinfo.h"
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#include "tools/paint_options.h"
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#include "tools/tool_manager.h"
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#include "gui/brush-select.h"
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#include "appenv.h"
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#include "cursorutil.h"
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#include "context_manager.h"
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#include "gdisplay.h"
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#include "gimpbrush.h"
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#include "gimpbrushgenerated.h"
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#include "gimpbrushpipe.h"
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#include "gimpcontainer.h"
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#include "gimpcontext.h"
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#include "gimpdatafactory.h"
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#include "gimpdatalist.h"
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#include "gimpgradient.h"
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#include "gimpimage.h"
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#include "gimplist.h"
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#include "gimppalette.h"
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#include "gimppattern.h"
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#include "gimprc.h"
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#define PAINT_OPTIONS_MASK GIMP_CONTEXT_OPACITY_MASK | \
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GIMP_CONTEXT_PAINT_MODE_MASK
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/* HACK: provide prototype without tools/tools.h */
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extern void register_tools (void);
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/*
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* the list of all images
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*/
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GimpContainer *image_context = NULL;
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/*
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* the global data lists
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*/
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GimpDataFactory *global_brush_factory = NULL;
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GimpDataFactory *global_pattern_factory = NULL;
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GimpDataFactory *global_gradient_factory = NULL;
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GimpDataFactory *global_palette_factory = NULL;
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/*
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* the global tool context
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*/
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GimpContext *global_tool_context = NULL;
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static void
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context_manager_display_changed (GimpContext *context,
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GDisplay *display,
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gpointer data)
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{
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gdisplay_set_menu_sensitivity (display);
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}
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static void
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context_manager_tool_changed (GimpContext *user_context,
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GimpToolInfo *tool_info,
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gpointer data)
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{
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if (! tool_info)
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return;
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/* FIXME: gimp_busy HACK */
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if (gimp_busy)
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{
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/* there may be contexts waiting for the user_context's "tool_changed"
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* signal, so stop emitting it.
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*/
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gtk_signal_emit_stop_by_name (GTK_OBJECT (user_context), "tool_changed");
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if (GTK_OBJECT (active_tool)->klass->type != tool_info->tool_type)
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{
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gtk_signal_handler_block_by_func (GTK_OBJECT (user_context),
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context_manager_tool_changed,
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NULL);
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/* explicitly set the current tool */
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gimp_context_set_tool (user_context,
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tool_manager_get_info_by_tool (active_tool));
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gtk_signal_handler_unblock_by_func (GTK_OBJECT (user_context),
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context_manager_tool_changed,
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NULL);
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}
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}
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else
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{
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GimpTool *new_tool = NULL;
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GimpContext *tool_context = NULL;
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if (tool_info->tool_type != GTK_TYPE_NONE)
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{
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new_tool = gtk_type_new (tool_info->tool_type);
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}
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else
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{
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g_warning ("%s(): tool_info contains no valid GtkType",
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G_GNUC_FUNCTION);
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return;
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}
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if (! global_paint_options)
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{
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if (active_tool &&
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(tool_context = tool_manager_get_info_by_tool (active_tool)->context))
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{
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gimp_context_unset_parent (tool_context);
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}
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if ((tool_context = tool_info->context))
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{
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gimp_context_copy_args (tool_context, user_context,
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PAINT_OPTIONS_MASK);
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gimp_context_set_parent (tool_context, user_context);
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}
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}
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tool_manager_select_tool (new_tool);
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}
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}
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void
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context_manager_init (void)
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{
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GimpContext *standard_context;
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GimpContext *default_context;
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GimpContext *user_context;
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GimpContext *tool_context;
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static const GimpDataFactoryLoaderEntry brush_loader_entries[] =
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{
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{ gimp_brush_load, GIMP_BRUSH_FILE_EXTENSION },
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{ gimp_brush_load, GIMP_BRUSH_PIXMAP_FILE_EXTENSION },
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{ gimp_brush_generated_load, GIMP_BRUSH_GENERATED_FILE_EXTENSION },
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{ gimp_brush_pipe_load, GIMP_BRUSH_PIPE_FILE_EXTENSION }
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};
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static gint n_brush_loader_entries = (sizeof (brush_loader_entries) /
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sizeof (brush_loader_entries[0]));
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static const GimpDataFactoryLoaderEntry pattern_loader_entries[] =
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{
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{ gimp_pattern_load, GIMP_PATTERN_FILE_EXTENSION }
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};
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static gint n_pattern_loader_entries = (sizeof (pattern_loader_entries) /
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sizeof (pattern_loader_entries[0]));
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static const GimpDataFactoryLoaderEntry gradient_loader_entries[] =
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{
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{ gimp_gradient_load, GIMP_GRADIENT_FILE_EXTENSION },
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{ gimp_gradient_load, NULL /* legacy loader */ }
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};
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static gint n_gradient_loader_entries = (sizeof (gradient_loader_entries) /
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sizeof (gradient_loader_entries[0]));
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static const GimpDataFactoryLoaderEntry palette_loader_entries[] =
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{
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{ gimp_palette_load, GIMP_PALETTE_FILE_EXTENSION },
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{ gimp_palette_load, NULL /* legacy loader */ }
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};
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static gint n_palette_loader_entries = (sizeof (palette_loader_entries) /
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sizeof (palette_loader_entries[0]));
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/* Create the context of all existing images */
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image_context = gimp_list_new (GIMP_TYPE_IMAGE, GIMP_CONTAINER_POLICY_WEAK);
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/* Create the global data factories */
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global_brush_factory =
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gimp_data_factory_new (GIMP_TYPE_BRUSH,
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(const gchar **) &brush_path,
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brush_loader_entries,
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n_brush_loader_entries,
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gimp_brush_new,
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gimp_brush_get_standard);
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global_pattern_factory =
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gimp_data_factory_new (GIMP_TYPE_PATTERN,
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(const gchar **) &pattern_path,
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pattern_loader_entries,
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n_pattern_loader_entries,
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gimp_pattern_new,
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gimp_pattern_get_standard);
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global_gradient_factory =
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gimp_data_factory_new (GIMP_TYPE_GRADIENT,
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(const gchar **) &gradient_path,
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gradient_loader_entries,
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n_gradient_loader_entries,
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gimp_gradient_new,
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gimp_gradient_get_standard);
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global_palette_factory =
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gimp_data_factory_new (GIMP_TYPE_PALETTE,
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(const gchar **) &palette_path,
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palette_loader_entries,
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n_palette_loader_entries,
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gimp_palette_new,
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gimp_palette_get_standard);
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/* Create the global tool info list */
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tool_manager_init ();
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/* Implicitly create the standard context */
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standard_context = gimp_context_get_standard ();
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/* TODO: load from disk */
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default_context = gimp_context_new ("Default", NULL);
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gimp_context_set_default (default_context);
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/* Initialize the user context with the default context's values */
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user_context = gimp_context_new ("User", default_context);
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gimp_context_set_user (user_context);
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/* Update the tear-off menus */
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gtk_signal_connect (GTK_OBJECT (user_context), "display_changed",
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GTK_SIGNAL_FUNC (context_manager_display_changed),
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NULL);
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/* Update the tool system */
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gtk_signal_connect (GTK_OBJECT (user_context), "tool_changed",
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GTK_SIGNAL_FUNC (context_manager_tool_changed),
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NULL);
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/* Make the user contect the currently active context */
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gimp_context_set_current (user_context);
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/* Create a context to store the paint options of the
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* global paint options mode
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*/
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global_tool_context = gimp_context_new ("Global Tool Context", user_context);
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/* TODO: add foreground, background, brush, pattern, gradient */
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gimp_context_define_args (global_tool_context, PAINT_OPTIONS_MASK, FALSE);
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/* register internal tools */
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register_tools ();
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if (! global_paint_options && active_tool &&
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(tool_context = tool_manager_get_info_by_tool (active_tool)->context))
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{
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gimp_context_set_parent (tool_context, user_context);
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}
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else if (global_paint_options)
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{
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gimp_context_set_parent (global_tool_context, user_context);
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}
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gimp_container_thaw (global_tool_info_list);
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}
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void
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context_manager_free (void)
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{
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gtk_object_unref (GTK_OBJECT (global_tool_context));
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global_tool_context = NULL;
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gtk_object_unref (GTK_OBJECT (gimp_context_get_user ()));
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gimp_context_set_user (NULL);
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gimp_context_set_current (NULL);
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/* TODO: Save to disk before destroying */
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gtk_object_unref (GTK_OBJECT (gimp_context_get_default ()));
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gimp_context_set_default (NULL);
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gimp_data_factory_data_free (global_brush_factory);
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gimp_data_factory_data_free (global_pattern_factory);
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gimp_data_factory_data_free (global_gradient_factory);
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gimp_data_factory_data_free (global_palette_factory);
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}
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void
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context_manager_set_global_paint_options (gboolean global)
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{
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GimpToolInfo *tool_info;
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GimpContext *context;
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if (global == global_paint_options)
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return;
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paint_options_set_global (global);
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/* NULL is the main brush selection */
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brush_select_show_paint_options (NULL, global);
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tool_info = gimp_context_get_tool (gimp_context_get_user ());
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if (global)
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{
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if (tool_info && (context = tool_info->context))
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{
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gimp_context_unset_parent (context);
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}
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gimp_context_copy_args (global_tool_context, gimp_context_get_user (),
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PAINT_OPTIONS_MASK);
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gimp_context_set_parent (global_tool_context, gimp_context_get_user ());
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}
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else
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{
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gimp_context_unset_parent (global_tool_context);
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if (tool_info && (context = tool_info->context))
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{
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gimp_context_copy_args (context, gimp_context_get_user (),
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GIMP_CONTEXT_PAINT_ARGS_MASK);
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gimp_context_set_parent (context, gimp_context_get_user ());
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}
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}
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}
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