PIKApp/plug-ins/imagemap/imap_cmd_guides.c

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2023-09-26 00:35:21 +02:00
/*
* This is a plug-in for PIKA.
*
* Generates clickable image maps.
*
* Copyright (C) 1998-2004 Maurits Rijk m.rijk@chello.nl
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include "libpika/pika.h"
#include "libpika/pikaui.h"
#include "imap_commands.h"
#include "imap_default_dialog.h"
#include "imap_main.h"
#include "imap_rectangle.h"
#include "imap_ui_grid.h"
#include "libpika/stdplugins-intl.h"
typedef struct {
DefaultDialog_t *dialog;
GtkWidget *image_dimensions;
GtkWidget *guide_bounds;
GtkWidget *width;
GtkWidget *height;
GtkWidget *left;
GtkWidget *top;
GtkWidget *horz_spacing;
GtkWidget *vert_spacing;
GtkWidget *no_across;
GtkWidget *no_down;
GtkWidget *base_url;
ObjectList_t *list;
} GuidesDialog_t;
static void
guides_ok_cb(gpointer data)
{
GuidesDialog_t *param = (GuidesDialog_t*) data;
gint y;
int i, j;
gint width, height, left, top, hspace, vspace, rows, cols;
width = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->width));
height = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->height));
left = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->left));
top = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->top));
hspace = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(param->horz_spacing));
vspace = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(param->vert_spacing));
rows = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->no_down));
cols = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->no_across));
subcommand_start(_("Create Guides"));
y = top;
for (i = 0; i < rows; i++) {
gint x = left;
for (j = 0; j < cols; j++) {
Object_t *obj = create_rectangle(x, y, width, height);
Command_t *command = create_command_new(param->list, obj);
object_set_url(obj, gtk_entry_get_text(GTK_ENTRY(param->base_url)));
command_execute(command);
x += width + hspace;
}
y += height + vspace;
}
subcommand_end();
}
static void
recalc_bounds(GtkWidget *widget, gpointer data)
{
GuidesDialog_t *param = (GuidesDialog_t*) data;
gint width, height, left, top, hspace, vspace, rows, cols;
gint bound_w, bound_h;
gchar *bounds;
width = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->width));
height = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->height));
left = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->left));
top = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->top));
hspace = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(param->horz_spacing));
vspace = gtk_spin_button_get_value_as_int(
GTK_SPIN_BUTTON(param->vert_spacing));
rows = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->no_down));
cols = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(param->no_across));
bound_w = (width + hspace) * cols - hspace;
bound_h = (height + vspace) * rows - vspace;
bounds = g_strdup_printf (_("Resulting Guide Bounds: %d,%d to %d,%d (%d areas)"),
left, top, left + bound_w, top + bound_h, rows * cols);
if (left + bound_w > get_image_width() ||
top + bound_h > get_image_height())
{
gtk_dialog_set_response_sensitive (GTK_DIALOG (param->dialog->dialog),
GTK_RESPONSE_OK, FALSE);
}
else
{
gtk_dialog_set_response_sensitive (GTK_DIALOG (param->dialog->dialog),
GTK_RESPONSE_OK, TRUE);
}
gtk_label_set_text(GTK_LABEL(param->guide_bounds), bounds);
g_free (bounds);
}
static GuidesDialog_t*
make_guides_dialog (void)
{
GuidesDialog_t *data = g_new(GuidesDialog_t, 1);
DefaultDialog_t *dialog;
GtkWidget *grid;
GtkWidget *label;
GtkWidget *hbox;
dialog = data->dialog = make_default_dialog(_("Create Guides"));
default_dialog_set_ok_cb (dialog, guides_ok_cb, data);
hbox = pika_hint_box_new (
_("Guides are pre-defined rectangles covering the image. You define "
"them by their width, height, and spacing from each other. This "
"allows you to rapidly create the most common image map type - "
"image collection of \"thumbnails\", suitable for navigation bars."));
gtk_box_pack_start (GTK_BOX (dialog->vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
data->image_dimensions = gtk_label_new ("");
gtk_label_set_xalign (GTK_LABEL (data->image_dimensions), 0.0);
gtk_box_pack_start (GTK_BOX (dialog->vbox),
data->image_dimensions, FALSE, FALSE, 0);
gtk_widget_show (data->image_dimensions);
data->guide_bounds = gtk_label_new ("");
gtk_label_set_xalign (GTK_LABEL (data->guide_bounds), 0.0);
gtk_box_pack_start (GTK_BOX (dialog->vbox),
data->guide_bounds, FALSE, FALSE, 0);
gtk_widget_show (data->guide_bounds);
grid = default_dialog_add_grid (dialog);
label = create_label_in_grid (grid, 0, 0, _("_Width:"));
data->width = create_spin_button_in_grid (grid, label, 0, 1, 32, 1, 100);
g_signal_connect (data->width, "changed",
G_CALLBACK(recalc_bounds), (gpointer) data);
label = create_label_in_grid (grid, 0, 2, _("_Left start at:"));
data->left = create_spin_button_in_grid (grid, label, 0, 3, 0, 0, 100);
g_signal_connect (data->left, "changed",
G_CALLBACK(recalc_bounds), (gpointer) data);
label = create_label_in_grid (grid, 1, 0, _("_Height:"));
data->height = create_spin_button_in_grid (grid, label, 1, 1, 32, 1, 100);
g_signal_connect (data->height, "changed",
G_CALLBACK(recalc_bounds), (gpointer) data);
label = create_label_in_grid (grid, 1, 2, _("_Top start at:"));
data->top = create_spin_button_in_grid (grid, label, 1, 3, 0, 0, 100);
g_signal_connect (data->top, "changed",
G_CALLBACK(recalc_bounds), (gpointer) data);
label = create_label_in_grid (grid, 2, 0, _("_Horz. spacing:"));
data->horz_spacing = create_spin_button_in_grid (grid, label, 2, 1, 0, 0,
100);
g_signal_connect (data->horz_spacing, "changed",
G_CALLBACK(recalc_bounds), (gpointer) data);
label = create_label_in_grid (grid, 2, 2, _("_No. across:"));
data->no_across = create_spin_button_in_grid (grid, label, 2, 3, 0, 0,
100);
g_signal_connect (data->no_across, "changed",
G_CALLBACK(recalc_bounds), (gpointer) data);
label = create_label_in_grid (grid, 3, 0, _("_Vert. spacing:"));
data->vert_spacing = create_spin_button_in_grid (grid, label, 3, 1, 0, 0,
100);
g_signal_connect (data->vert_spacing, "changed",
G_CALLBACK(recalc_bounds), (gpointer) data);
label = create_label_in_grid (grid, 3, 2, _("No. _down:"));
data->no_down = create_spin_button_in_grid (grid, label, 3, 3, 0, 0, 100);
g_signal_connect (data->no_down, "changed",
G_CALLBACK(recalc_bounds), (gpointer) data);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
gtk_box_pack_start (GTK_BOX (dialog->vbox), hbox, TRUE, TRUE, 0);
gtk_widget_show(hbox);
label = gtk_label_new_with_mnemonic(_("Base _URL:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show(label);
data->base_url = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (hbox), data->base_url, TRUE, TRUE, 0);
gtk_widget_show(data->base_url);
gtk_label_set_mnemonic_widget (GTK_LABEL (label), data->base_url);
return data;
}
static void
init_guides_dialog(GuidesDialog_t *dialog, ObjectList_t *list)
{
gchar *dimension;
dialog->list = list;
dimension = g_strdup_printf (_("Image dimensions: %d × %d"),
get_image_width(),
get_image_height());
gtk_label_set_text (GTK_LABEL(dialog->image_dimensions), dimension);
g_free (dimension);
gtk_label_set_text (GTK_LABEL(dialog->guide_bounds),
_("Resulting Guide Bounds: 0,0 to 0,0 (0 areas)"));
gtk_widget_grab_focus (dialog->width);
}
static void
do_create_guides_dialog_local (ObjectList_t *list)
{
static GuidesDialog_t *dialog;
if (!dialog)
dialog = make_guides_dialog();
init_guides_dialog(dialog, list);
default_dialog_show(dialog->dialog);
}
static CmdExecuteValue_t guides_command_execute(Command_t *parent);
static CommandClass_t guides_command_class = {
NULL, /* guides_command_destruct */
guides_command_execute,
NULL, /* guides_command_undo */
NULL /* guides_command_redo */
};
typedef struct {
Command_t parent;
ObjectList_t *list;
} GuidesCommand_t;
Command_t*
guides_command_new(ObjectList_t *list)
{
GuidesCommand_t *command = g_new(GuidesCommand_t, 1);
command->list = list;
return command_init(&command->parent, _("Guides"), &guides_command_class);
}
static CmdExecuteValue_t
guides_command_execute(Command_t *parent)
{
GuidesCommand_t *command = (GuidesCommand_t*) parent;
do_create_guides_dialog_local (command->list);
return CMD_DESTRUCT;
}