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gimp/plug-ins/common/unit-editor.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This is a plug-in for GIMP.
*
* Copyright (C) 2000 Michael Natterer <mitch@gimp.org>
*
* 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 <string.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#define PLUG_IN_PROC "plug-in-unit-editor"
#define PLUG_IN_BINARY "unit-editor"
#define RESPONSE_REFRESH 1
enum
{
SAVE,
IDENTIFIER,
FACTOR,
DIGITS,
SYMBOL,
ABBREVIATION,
SINGULAR,
PLURAL,
UNIT,
USER_UNIT,
BG_COLOR,
NUM_COLUMNS
};
typedef struct
{
const gchar *title;
const gchar *help;
} UnitColumn;
static void query (void);
static void run (const gchar *name,
gint n_params,
const GimpParam *param,
gint *n_return_vals,
GimpParam **return_vals);
static GimpUnit new_unit_dialog (GtkWidget *main_dialog,
GimpUnit template);
static void unit_editor_dialog (void);
static void unit_editor_response (GtkWidget *widget,
gint response_id,
gpointer data);
static void new_callback (GtkAction *action,
GtkTreeView *tv);
static void duplicate_callback (GtkAction *action,
GtkTreeView *tv);
static void saved_toggled_callback (GtkCellRendererToggle *celltoggle,
gchar *path_string,
GtkListStore *list_store);
static void unit_list_init (GtkTreeView *tv);
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
static const UnitColumn columns[] =
{
{ N_("Saved"), N_("A unit definition will only be saved before "
"GIMP exits if this column is checked.") },
{ N_("ID"), N_("This string will be used to identify a "
"unit in GIMP's configuration files.") },
{ N_("Factor"), N_("How many units make up an inch.") },
{ N_("Digits"), N_("This field is a hint for numerical input "
"fields. It specifies how many decimal digits "
"the input field should provide to get "
"approximately the same accuracy as an "
"\"inch\" input field with two decimal digits.") },
{ N_("Symbol"), N_("The unit's symbol if it has one (e.g. \"'\" "
"for inches). The unit's abbreviation is used "
"if doesn't have a symbol.") },
{ N_("Abbreviation"), N_("The unit's abbreviation (e.g. \"cm\" for "
"centimeters).") },
{ N_("Singular"), N_("The unit's singular form.") },
{ N_("Plural"), N_("The unit's plural form.") }
};
static GtkActionEntry actions[] =
{
{ "unit-editor-toolbar", NULL,
"Unit Editor Toolbar", NULL, NULL, NULL
},
{ "unit-editor-new", GTK_STOCK_NEW,
NULL, "<control>N",
N_("Create a new unit from scratch"),
G_CALLBACK (new_callback)
},
{ "unit-editor-duplicate", GIMP_STOCK_DUPLICATE,
NULL, "<control>D",
N_("Create a new unit using the currently selected unit as template"),
G_CALLBACK (duplicate_callback)
}
};
MAIN ()
static void
query (void)
{
static const GimpParamDef args[] =
{
{ GIMP_PDB_INT32, "run-mode", "Interactive" }
};
gimp_install_procedure (PLUG_IN_PROC,
N_("Create or alter units used in GIMP"),
"The GIMP unit editor",
"Michael Natterer <mitch@gimp.org>",
"Michael Natterer <mitch@gimp.org>",
"2000",
N_("U_nits"),
"",
GIMP_PLUGIN,
G_N_ELEMENTS (args), 0,
args, NULL);
gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Edit/Preferences");
gimp_plugin_icon_register (PLUG_IN_PROC, GIMP_ICON_TYPE_STOCK_ID,
(const guint8 *) GIMP_STOCK_TOOL_MEASURE);
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[2];
GimpRunMode run_mode;
run_mode = param[0].data.d_int32;
INIT_I18N ();
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = GIMP_PDB_CALLING_ERROR;
if (strcmp (name, PLUG_IN_PROC) == 0)
{
values[0].data.d_status = GIMP_PDB_SUCCESS;
unit_editor_dialog ();
}
}
static GimpUnit
new_unit_dialog (GtkWidget *main_dialog,
GimpUnit template)
{
GtkWidget *dialog;
GtkWidget *table;
GtkWidget *entry;
GtkWidget *spinbutton;
GtkWidget *identifier_entry;
GtkObject *factor_adj;
GtkObject *digits_adj;
GtkWidget *symbol_entry;
GtkWidget *abbreviation_entry;
GtkWidget *singular_entry;
GtkWidget *plural_entry;
GimpUnit unit = GIMP_UNIT_PIXEL;
dialog = gimp_dialog_new (_("Add a New Unit"), PLUG_IN_BINARY,
main_dialog, GTK_DIALOG_MODAL,
gimp_standard_help_func, PLUG_IN_PROC,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_ADD, GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_OK,
GTK_RESPONSE_CANCEL,
-1);
table = gtk_table_new (7, 2, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 6);
gtk_table_set_row_spacings (GTK_TABLE (table), 6);
gtk_container_set_border_width (GTK_CONTAINER (table), 12);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), table,
FALSE, FALSE, 0);
gtk_widget_show (table);
entry = identifier_entry = gtk_entry_new ();
if (template != GIMP_UNIT_PIXEL)
{
gtk_entry_set_text (GTK_ENTRY (entry),
gimp_unit_get_identifier (template));
}
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("_ID:"), 0.0, 0.5,
entry, 1, FALSE);
gimp_help_set_help_data (entry, gettext (columns[IDENTIFIER].help), NULL);
spinbutton = gimp_spin_button_new (&factor_adj,
(template != GIMP_UNIT_PIXEL) ?
gimp_unit_get_factor (template) : 1.0,
GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION,
0.01, 0.1, 0.0, 0.01, 5);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("_Factor:"), 0.0, 0.5,
spinbutton, 1, TRUE);
gimp_help_set_help_data (spinbutton, gettext (columns[FACTOR].help), NULL);
spinbutton = gimp_spin_button_new (&digits_adj,
(template != GIMP_UNIT_PIXEL) ?
gimp_unit_get_digits (template) : 2.0,
0, 5, 1, 1, 0, 1, 0);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 2,
_("_Digits:"), 0.0, 0.5,
spinbutton, 1, TRUE);
gimp_help_set_help_data (spinbutton, gettext (columns[DIGITS].help), NULL);
entry = symbol_entry = gtk_entry_new ();
if (template != GIMP_UNIT_PIXEL)
{
gtk_entry_set_text (GTK_ENTRY (entry),
gimp_unit_get_symbol (template));
}
gimp_table_attach_aligned (GTK_TABLE (table), 0, 3,
_("_Symbol:"), 0.0, 0.5,
entry, 1, FALSE);
gimp_help_set_help_data (entry, gettext (columns[SYMBOL].help), NULL);
entry = abbreviation_entry = gtk_entry_new ();
if (template != GIMP_UNIT_PIXEL)
{
gtk_entry_set_text (GTK_ENTRY (entry),
gimp_unit_get_abbreviation (template));
}
gimp_table_attach_aligned (GTK_TABLE (table), 0, 4,
_("_Abbreviation:"), 0.0, 0.5,
entry, 1, FALSE);
gimp_help_set_help_data (entry, gettext (columns[ABBREVIATION].help), NULL);
entry = singular_entry = gtk_entry_new ();
if (template != GIMP_UNIT_PIXEL)
{
gtk_entry_set_text (GTK_ENTRY (entry),
gimp_unit_get_singular (template));
}
gimp_table_attach_aligned (GTK_TABLE (table), 0, 5,
_("Si_ngular:"), 0.0, 0.5,
entry, 1, FALSE);
gimp_help_set_help_data (entry, gettext (columns[SINGULAR].help), NULL);
entry = plural_entry = gtk_entry_new ();
if (template != GIMP_UNIT_PIXEL)
{
gtk_entry_set_text (GTK_ENTRY (entry),
gimp_unit_get_plural (template));
}
gimp_table_attach_aligned (GTK_TABLE (table), 0, 6,
_("_Plural:"), 0.0, 0.5,
entry, 1, FALSE);
gimp_help_set_help_data (entry, gettext (columns[PLURAL].help), NULL);
gtk_widget_show (dialog);
while (TRUE)
{
gchar *identifier;
gdouble factor;
gint digits;
gchar *symbol;
gchar *abbreviation;
gchar *singular;
gchar *plural;
if (gimp_dialog_run (GIMP_DIALOG (dialog)) != GTK_RESPONSE_OK)
break;
identifier = g_strdup (gtk_entry_get_text (GTK_ENTRY (identifier_entry)));
factor = gtk_adjustment_get_value (GTK_ADJUSTMENT (factor_adj));
digits = gtk_adjustment_get_value (GTK_ADJUSTMENT (digits_adj));
symbol = g_strdup (gtk_entry_get_text (GTK_ENTRY (symbol_entry)));
abbreviation = g_strdup (gtk_entry_get_text (GTK_ENTRY (abbreviation_entry)));
singular = g_strdup (gtk_entry_get_text (GTK_ENTRY (singular_entry)));
plural = g_strdup (gtk_entry_get_text (GTK_ENTRY (plural_entry)));
identifier = g_strstrip (identifier);
symbol = g_strstrip (symbol);
abbreviation = g_strstrip (abbreviation);
singular = g_strstrip (singular);
plural = g_strstrip (plural);
if (!strlen (identifier) |
!strlen (symbol) |
!strlen (abbreviation) |
!strlen (singular) |
!strlen (plural))
{
GtkWidget *msg = gtk_message_dialog_new (GTK_WINDOW (dialog), 0,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
_("Incomplete input"));
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (msg),
_("Please fill in all text fields."));
gtk_dialog_run (GTK_DIALOG (msg));
gtk_widget_destroy (msg);
continue;
}
unit = gimp_unit_new (identifier,
factor, digits,
symbol, abbreviation, singular, plural);
g_free (identifier);
g_free (symbol);
g_free (abbreviation);
g_free (singular);
g_free (plural);
break;
}
gtk_widget_destroy (dialog);
return unit;
}
static void
unit_editor_dialog (void)
{
GtkWidget *dialog;
GtkWidget *scrolled_win;
GtkUIManager *ui_manager;
GtkActionGroup *group;
GtkWidget *toolbar;
GtkListStore *list_store;
GtkWidget *tv;
GtkTreeViewColumn *col;
GtkCellRenderer *rend;
gint i;
gimp_ui_init (PLUG_IN_BINARY, FALSE);
list_store = gtk_list_store_new (NUM_COLUMNS,
G_TYPE_BOOLEAN, /* SAVE */
G_TYPE_STRING, /* IDENTIFIER */
G_TYPE_DOUBLE, /* FACTOR */
G_TYPE_INT, /* DIGITS */
G_TYPE_STRING, /* SYMBOL */
G_TYPE_STRING, /* ABBREVIATION */
G_TYPE_STRING, /* SINGULAR */
G_TYPE_STRING, /* PLURAL */
GIMP_TYPE_UNIT, /* UNIT */
G_TYPE_BOOLEAN, /* USER_UNIT */
GDK_TYPE_COLOR); /* BG_COLOR */
tv = gtk_tree_view_new_with_model (GTK_TREE_MODEL (list_store));
g_object_unref (list_store);
dialog = gimp_dialog_new (_("Unit Editor"), PLUG_IN_BINARY,
NULL, 0,
gimp_standard_help_func, PLUG_IN_PROC,
GTK_STOCK_REFRESH, RESPONSE_REFRESH,
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
NULL);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
g_signal_connect (dialog, "response",
G_CALLBACK (unit_editor_response),
tv);
g_signal_connect (dialog, "destroy",
G_CALLBACK (gtk_main_quit),
NULL);
/* the toolbar */
ui_manager = gtk_ui_manager_new ();
group = gtk_action_group_new ("unit-editor");
gtk_action_group_set_translation_domain (group, NULL);
gtk_action_group_add_actions (group, actions, G_N_ELEMENTS (actions), tv);
gtk_window_add_accel_group (GTK_WINDOW (dialog),
gtk_ui_manager_get_accel_group (ui_manager));
gtk_accel_group_lock (gtk_ui_manager_get_accel_group (ui_manager));
gtk_ui_manager_insert_action_group (ui_manager, group, -1);
g_object_unref (group);
gtk_ui_manager_add_ui_from_string
(ui_manager,
"<ui>\n"
" <toolbar action=\"unit-editor-toolbar\">\n"
" <toolitem action=\"unit-editor-new\" />\n"
" <toolitem action=\"unit-editor-duplicate\" />\n"
" </toolbar>\n"
"</ui>\n",
-1, NULL);
toolbar = gtk_ui_manager_get_widget (ui_manager, "/unit-editor-toolbar");
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), toolbar,
FALSE, FALSE, 0);
gtk_widget_show (toolbar);
scrolled_win = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_win),
GTK_SHADOW_IN);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
GTK_POLICY_NEVER,
GTK_POLICY_ALWAYS);
gtk_container_set_border_width (GTK_CONTAINER (scrolled_win), 12);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox),
scrolled_win);
gtk_widget_show (scrolled_win);
gtk_widget_set_size_request (tv, -1, 220);
gtk_container_add (GTK_CONTAINER (scrolled_win), tv);
gtk_widget_show (tv);
rend = gtk_cell_renderer_toggle_new ();
col =
gtk_tree_view_column_new_with_attributes (gettext (columns[SAVE].title),
rend,
"active", SAVE,
"activatable", USER_UNIT,
"cell-background-gdk", BG_COLOR,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tv), col);
gimp_help_set_help_data (col->button,
gettext (columns[SAVE].help), NULL);
g_signal_connect (rend, "toggled",
G_CALLBACK (saved_toggled_callback),
list_store);
for (i = 0; i < G_N_ELEMENTS (columns); i++)
{
if (i == SAVE)
continue;
col =
gtk_tree_view_column_new_with_attributes (gettext (columns[i].title),
gtk_cell_renderer_text_new (),
"text", i,
"cell-background-gdk", BG_COLOR,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (tv), col);
gimp_help_set_help_data (col->button, gettext (columns[i].help), NULL);
}
unit_list_init (GTK_TREE_VIEW (tv));
gtk_widget_show (dialog);
gtk_main ();
}
static void
unit_editor_response (GtkWidget *widget,
gint response_id,
gpointer data)
{
switch (response_id)
{
case RESPONSE_REFRESH:
unit_list_init (GTK_TREE_VIEW (data));
break;
default:
gtk_widget_destroy (widget);
break;
}
}
static void
new_callback (GtkAction *action,
GtkTreeView *tv)
{
GimpUnit unit;
unit = new_unit_dialog (gtk_widget_get_toplevel (GTK_WIDGET (tv)),
GIMP_UNIT_PIXEL);
if (unit != GIMP_UNIT_PIXEL)
{
GtkTreeModel *model;
GtkTreeIter iter;
unit_list_init (tv);
model = gtk_tree_view_get_model (tv);
if (gtk_tree_model_get_iter_first (model, &iter) &&
gtk_tree_model_iter_nth_child (model, &iter,
NULL, unit - GIMP_UNIT_INCH))
{
GtkAdjustment *adj;
gtk_tree_selection_select_iter (gtk_tree_view_get_selection (tv),
&iter);
adj = gtk_tree_view_get_vadjustment (tv);
gtk_adjustment_set_value (adj, adj->upper);
}
}
}
static void
duplicate_callback (GtkAction *action,
GtkTreeView *tv)
{
GtkTreeModel *model;
GtkTreeSelection *sel;
GtkTreeIter iter;
model = gtk_tree_view_get_model (tv);
sel = gtk_tree_view_get_selection (tv);
if (gtk_tree_selection_get_selected (sel, NULL, &iter))
{
GimpUnit unit;
gtk_tree_model_get (model, &iter,
UNIT, &unit,
-1);
unit = new_unit_dialog (gtk_widget_get_toplevel (GTK_WIDGET (tv)),
unit);
if (unit != GIMP_UNIT_PIXEL)
{
GtkTreeIter iter;
unit_list_init (tv);
if (gtk_tree_model_get_iter_first (model, &iter) &&
gtk_tree_model_iter_nth_child (model, &iter,
NULL, unit - GIMP_UNIT_INCH))
{
GtkAdjustment *adj;
gtk_tree_selection_select_iter (sel, &iter);
adj = gtk_tree_view_get_vadjustment (tv);
gtk_adjustment_set_value (adj, adj->upper);
}
}
}
}
static void
saved_toggled_callback (GtkCellRendererToggle *celltoggle,
gchar *path_string,
GtkListStore *list_store)
{
GtkTreePath *path;
GtkTreeIter iter;
gboolean saved;
GimpUnit unit;
path = gtk_tree_path_new_from_string (path_string);
if (! gtk_tree_model_get_iter (GTK_TREE_MODEL (list_store), &iter, path))
{
g_warning ("%s: bad tree path?", G_STRLOC);
return;
}
gtk_tree_path_free (path);
gtk_tree_model_get (GTK_TREE_MODEL (list_store), &iter,
SAVE, &saved,
UNIT, &unit,
-1);
if (unit >= gimp_unit_get_number_of_built_in_units ())
{
gimp_unit_set_deletion_flag (unit, saved);
gtk_list_store_set (GTK_LIST_STORE (list_store), &iter,
SAVE, ! saved,
-1);
}
}
static void
unit_list_init (GtkTreeView *tv)
{
GtkListStore *list_store;
GtkTreeIter iter;
gint num_units;
GimpUnit unit;
GdkColor color;
list_store = GTK_LIST_STORE (gtk_tree_view_get_model (tv));
gtk_list_store_clear (list_store);
num_units = gimp_unit_get_number_of_units ();
color.red = 0xdddd;
color.green = 0xdddd;
color.blue = 0xffff;
for (unit = GIMP_UNIT_INCH; unit < num_units; unit++)
{
gboolean user_unit = (unit >= gimp_unit_get_number_of_built_in_units ());
gtk_list_store_append (list_store, &iter);
gtk_list_store_set (list_store, &iter,
SAVE, ! gimp_unit_get_deletion_flag (unit),
IDENTIFIER, gimp_unit_get_identifier (unit),
FACTOR, gimp_unit_get_factor (unit),
DIGITS, gimp_unit_get_digits (unit),
SYMBOL, gimp_unit_get_symbol (unit),
ABBREVIATION, gimp_unit_get_abbreviation (unit),
SINGULAR, gimp_unit_get_singular (unit),
PLURAL, gimp_unit_get_plural (unit),
UNIT, unit,
USER_UNIT, user_unit,
user_unit ? -1 : BG_COLOR, &color,
-1);
}
if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (list_store), &iter))
gtk_tree_selection_select_iter (gtk_tree_view_get_selection (tv), &iter);
}
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