gimp/app/palette_select.c

300 lines
7.6 KiB
C

/* 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 "gimpui.h"
#include "palette_entries.h"
#include "palette_select.h"
#include "paletteP.h"
#include "libgimp/gimpintl.h"
/* List of active dialogs */
static GSList *active_dialogs = NULL;
/* local function prototypes */
static gint palette_select_button_press (GtkWidget *, GdkEventButton *, gpointer);
static void palette_select_close_callback (GtkWidget *, gpointer);
static void palette_select_edit_callback (GtkWidget *, gpointer);
/* public functions */
PaletteSelect *
palette_select_new (gchar *title,
gchar *initial_palette)
{
PaletteEntries *p_entries = NULL;
PaletteSelect *psp;
GSList *list;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *scrolled_win;
gchar *titles[3];
gint select_pos;
palette_select_palette_init ();
psp = g_new (PaletteSelect, 1);
psp->callback_name = NULL;
/* The shell and main vbox */
psp->shell = gimp_dialog_new (title ? title : _("Palette Selection"),
"palette_selection",
gimp_standard_help_func,
"dialogs/palette_selection.html",
GTK_WIN_POS_MOUSE,
FALSE, TRUE, FALSE,
_("Edit"), palette_select_edit_callback,
psp, NULL, NULL, TRUE, FALSE,
_("Close"), palette_select_close_callback,
psp, NULL, NULL, FALSE, TRUE,
NULL);
vbox = gtk_vbox_new (FALSE, 1);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 1);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (psp->shell)->vbox), vbox);
hbox = gtk_hbox_new (FALSE, 8);
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
gtk_widget_show (hbox);
/* clist preview of gradients */
scrolled_win = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_ALWAYS);
gtk_box_pack_start (GTK_BOX (hbox), scrolled_win, TRUE, TRUE, 0);
gtk_widget_show (scrolled_win);
titles[0] = _("Palette");
titles[1] = _("Ncols");
titles[2] = _("Name");
psp->clist = gtk_clist_new_with_titles (3, titles);
gtk_clist_set_shadow_type (GTK_CLIST (psp->clist), GTK_SHADOW_IN);
gtk_clist_set_row_height (GTK_CLIST (psp->clist), SM_PREVIEW_HEIGHT + 2);
gtk_clist_set_use_drag_icons (GTK_CLIST (psp->clist), FALSE);
gtk_clist_column_titles_passive (GTK_CLIST (psp->clist));
gtk_widget_set_usize (psp->clist, 203, 200);
gtk_clist_set_column_width (GTK_CLIST (psp->clist), 0, SM_PREVIEW_WIDTH + 2);
gtk_container_add (GTK_CONTAINER (scrolled_win), psp->clist);
gtk_widget_show (psp->clist);
select_pos = -1;
if (initial_palette && strlen (initial_palette))
{
for (list = palette_entries_list; list; list = g_slist_next (list))
{
p_entries = (PaletteEntries *) list->data;
if (strcmp (p_entries->name, initial_palette) > 0)
break;
select_pos++;
}
}
gtk_widget_realize (psp->shell);
psp->gc = gdk_gc_new (psp->shell->window);
palette_clist_init (psp->clist, psp->shell, psp->gc);
gtk_signal_connect (GTK_OBJECT (psp->clist), "button_press_event",
GTK_SIGNAL_FUNC (palette_select_button_press),
(gpointer) psp);
/* Now show the dialog */
gtk_widget_show (vbox);
gtk_widget_show (psp->shell);
if (select_pos != -1)
{
gtk_clist_select_row (GTK_CLIST (psp->clist), select_pos, -1);
gtk_clist_moveto (GTK_CLIST (psp->clist), select_pos, 0, 0.0, 0.0);
}
else
gtk_clist_select_row (GTK_CLIST (psp->clist), 0, -1);
active_dialogs = g_slist_append (active_dialogs, psp);
return psp;
}
void
palette_select_clist_insert_all (PaletteEntries *p_entries)
{
PaletteEntries *chk_entries;
PaletteSelect *psp;
GSList *list;
gint pos = 0;
for (list = palette_entries_list; list; list = g_slist_next (list))
{
chk_entries = (PaletteEntries *) list->data;
/* to make sure we get something! */
if (chk_entries == NULL)
return;
if (strcmp (p_entries->name, chk_entries->name) == 0)
break;
pos++;
}
for (list = active_dialogs; list; list = g_slist_next (list))
{
psp = (PaletteSelect *) list->data;
gtk_clist_freeze (GTK_CLIST (psp->clist));
palette_clist_insert (psp->clist, psp->shell, psp->gc, p_entries, pos);
gtk_clist_thaw (GTK_CLIST (psp->clist));
}
}
void
palette_select_set_text_all (PaletteEntries *entries)
{
PaletteEntries *p_entries = NULL;
PaletteSelect *psp;
GSList *list;
gchar *num_buf;
gint pos = 0;
for (list = palette_entries_list; list; list = g_slist_next (list))
{
p_entries = (PaletteEntries *) list->data;
if (p_entries == entries)
break;
pos++;
}
if (p_entries == NULL)
return; /* This is actually an error */
num_buf = g_strdup_printf ("%d",p_entries->n_colors);;
for (list = active_dialogs; list; list = g_slist_next (list))
{
psp = (PaletteSelect *) list->data;
gtk_clist_set_text (GTK_CLIST (psp->clist), pos, 1, num_buf);
}
g_free (num_buf);
}
void
palette_select_refresh_all ()
{
PaletteSelect *psp;
GSList *list;
for (list = active_dialogs; list; list = g_slist_next (list))
{
psp = (PaletteSelect *) list->data;
gtk_clist_freeze (GTK_CLIST (psp->clist));
gtk_clist_clear (GTK_CLIST (psp->clist));
palette_clist_init (psp->clist, psp->shell, psp->gc);
gtk_clist_thaw (GTK_CLIST (psp->clist));
}
}
/* local functions */
static gint
palette_select_button_press (GtkWidget *widget,
GdkEventButton *bevent,
gpointer data)
{
PaletteSelect *psp;
psp = (PaletteSelect *) data;
if (bevent->button == 1 && bevent->type == GDK_2BUTTON_PRESS)
{
palette_select_edit_callback (widget, data);
return TRUE;
}
return FALSE;
}
static void
palette_select_edit_callback (GtkWidget *widget,
gpointer data)
{
PaletteEntries *p_entries = NULL;
PaletteSelect *psp = (PaletteSelect *) data;
GList *sel_list;
sel_list = GTK_CLIST (psp->clist)->selection;
while (sel_list)
{
gint row;
row = GPOINTER_TO_INT (sel_list->data);
p_entries =
(PaletteEntries *) gtk_clist_get_row_data (GTK_CLIST (psp->clist), row);
palette_create_edit (p_entries);
/* One only */
return;
}
}
static void
palette_select_free (PaletteSelect *psp)
{
if (psp)
{
/*
if(psp->callback_name)
g_free (gsp->callback_name);
*/
/* remove from active list */
active_dialogs = g_slist_remove (active_dialogs, psp);
g_free (psp);
}
}
static void
palette_select_close_callback (GtkWidget *widget,
gpointer data)
{
PaletteSelect *psp;
psp = (PaletteSelect *) data;
if (GTK_WIDGET_VISIBLE (psp->shell))
gtk_widget_hide (psp->shell);
gtk_widget_destroy (psp->shell);
palette_select_free (psp);
}