/* The GIMP -- an image manipulation program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * Copyright (C) 1998 Andy Thomas (alt@picnic.demon.co.uk) * * 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 #include #include "libgimpwidgets/gimpwidgets.h" #include "gui-types.h" #include "core/gimp.h" #include "core/gimpcontainer.h" #include "core/gimpcontext.h" #include "core/gimpdatafactory.h" #include "core/gimppalette.h" #include "pdb/procedural_db.h" #include "widgets/gimpcontainerview.h" #include "widgets/gimpdatafactoryview.h" #include "widgets/gimphelp-ids.h" #include "dialogs-constructors.h" #include "menus.h" #include "palette-select.h" #include "gimp-intl.h" #define STD_PALETTE_COLUMNS 6 #define STD_PALETTE_ROWS 5 /* local function prototypes */ static void palette_select_change_callbacks (PaletteSelect *psp, gboolean closing); static void palette_select_palette_changed (GimpContext *context, GimpPalette *palette, PaletteSelect *psp); static void palette_select_close_callback (GtkWidget *widget, PaletteSelect *psp); /* list of active dialogs */ static GSList *palette_active_dialogs = NULL; /* public functions */ PaletteSelect * palette_select_new (Gimp *gimp, const gchar *title, const gchar *initial_palette, const gchar *callback_name) { PaletteSelect *psp; GimpPalette *active = NULL; g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL); g_return_val_if_fail (title != NULL, NULL); if (gimp->no_data) { static gboolean first_call = TRUE; if (first_call) gimp_data_factory_data_init (gimp->palette_factory, FALSE); first_call = FALSE; } if (initial_palette && strlen (initial_palette)) { active = (GimpPalette *) gimp_container_get_child_by_name (gimp->palette_factory->container, initial_palette); } if (! active) active = gimp_context_get_palette (gimp_get_current_context (gimp)); if (! active) return NULL; psp = g_new0 (PaletteSelect, 1); /* Add to active palette dialogs list */ palette_active_dialogs = g_slist_append (palette_active_dialogs, psp); psp->context = gimp_context_new (gimp, title, NULL); psp->callback_name = g_strdup (callback_name); gimp_context_set_palette (psp->context, active); g_signal_connect (psp->context, "palette_changed", G_CALLBACK (palette_select_palette_changed), psp); /* the shell */ psp->shell = gimp_dialog_new (title, "palette_selection", gimp_standard_help_func, GIMP_HELP_PALETTE_DIALOG, GTK_WIN_POS_MOUSE, FALSE, TRUE, FALSE, GTK_STOCK_CLOSE, palette_select_close_callback, psp, NULL, NULL, TRUE, TRUE, NULL); /* The Palette List */ psp->view = gimp_data_factory_view_new (GIMP_VIEW_TYPE_LIST, gimp->palette_factory, dialogs_edit_palette_func, psp->context, GIMP_PREVIEW_SIZE_MEDIUM, 1, global_menu_factory, ""); gimp_container_view_set_size_request (GIMP_CONTAINER_VIEW (GIMP_CONTAINER_EDITOR (psp->view)->view), 5 * (GIMP_PREVIEW_SIZE_MEDIUM + 2), 8 * (GIMP_PREVIEW_SIZE_MEDIUM + 2)); gtk_container_set_border_width (GTK_CONTAINER (psp->view), 4); gtk_container_add (GTK_CONTAINER (GTK_DIALOG (psp->shell)->vbox), psp->view); gtk_widget_show (psp->view); gtk_widget_show (psp->shell); return psp; } void palette_select_free (PaletteSelect *psp) { g_return_if_fail (psp != NULL); gtk_widget_destroy (psp->shell); /* remove from active list */ palette_active_dialogs = g_slist_remove (palette_active_dialogs, psp); if (psp->callback_name) g_free (psp->callback_name); if (psp->context) g_object_unref (psp->context); g_free (psp); } PaletteSelect * palette_select_get_by_callback (const gchar *callback_name) { GSList *list; PaletteSelect *psp; for (list = palette_active_dialogs; list; list = g_slist_next (list)) { psp = (PaletteSelect *) list->data; if (psp->callback_name && ! strcmp (callback_name, psp->callback_name)) return psp; } return NULL; } void palette_select_dialogs_check (void) { PaletteSelect *psp; GSList *list; list = palette_active_dialogs; while (list) { psp = (PaletteSelect *) list->data; list = g_slist_next (list); if (psp->callback_name) { if (! procedural_db_lookup (psp->context->gimp, psp->callback_name)) palette_select_close_callback (NULL, psp); } } } /* private functions */ static void palette_select_change_callbacks (PaletteSelect *psp, gboolean closing) { ProcRecord *proc; GimpPalette *palette; static gboolean busy = FALSE; if (! (psp && psp->callback_name) || busy) return; busy = TRUE; palette = gimp_context_get_palette (psp->context); /* If its still registered run it */ proc = procedural_db_lookup (psp->context->gimp, psp->callback_name); if (proc && palette) { Argument *return_vals; gint nreturn_vals; return_vals = procedural_db_run_proc (psp->context->gimp, psp->callback_name, &nreturn_vals, GIMP_PDB_STRING, GIMP_OBJECT (palette)->name, GIMP_PDB_INT32, palette->n_colors, GIMP_PDB_INT32, closing, GIMP_PDB_END); if (!return_vals || return_vals[0].value.pdb_int != GIMP_PDB_SUCCESS) g_message (_("Unable to run palette callback.\n" "The corresponding plug-in may have crashed.")); if (return_vals) procedural_db_destroy_args (return_vals, nreturn_vals); } busy = FALSE; } static void palette_select_palette_changed (GimpContext *context, GimpPalette *palette, PaletteSelect *psp) { if (palette) palette_select_change_callbacks (psp, FALSE); } static void palette_select_close_callback (GtkWidget *widget, PaletteSelect *psp) { palette_select_change_callbacks (psp, TRUE); palette_select_free (psp); }