/* SciGraphica - Scientific graphics and data manipulation
* Copyright (C) 2001 Adrian E. Feiguin <feiguin@ifir.edu.ar>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
#include <gtk/gtk.h>
#include <gtkextra/gtkextra.h>
#include "sg_layer_dialog.h"
#include "sg.h"
#include "sg_dialogs.h"
#define PTS_MM 2.8350000
#define PTS_CM 28.3500000
#define PTS_IN 72.0000000
#define PTS_PT 1.0000000
#define PTS_PIX (SG_DPI/PTS_IN)
static GtkWidget *left_entry, *top_entry;
static GtkWidget *width_entry, *height_entry;
static GtkWidget *transparent_item;
static GtkWidget *bg_button;
static GtkWidget *units_combo;
static GtkWidget *ratio_item;
static gint pts_width, pts_height;
static gint pts_left, pts_top;
/* static GtkWidget *legends_item; */
static GtkWidget *color_combo;
static GtkPlot *plot;
static SGplot *the_plot;
static SGlayer *the_layer;
static gchar *units[] = {"PS points",
"mm",
"cm",
"inches",
"pixels",
"% of page size",
NULL};
void
sg_layer_dialog_update_plot(GtkWidget *widget)
{
GtkWidget *child;
SGplot *parent;
GtkColorCombo *combo;
GdkColor color;
gchar *color_name;
gdouble left, top, width, height;
gint units;
width = atof(gtk_entry_get_text(GTK_ENTRY(width_entry)));
height = atof(gtk_entry_get_text(GTK_ENTRY(height_entry)));
left = atof(gtk_entry_get_text(GTK_ENTRY(left_entry)));
top = atof(gtk_entry_get_text(GTK_ENTRY(top_entry)));
child = (GtkWidget *)GTK_LIST(GTK_COMBO(units_combo)->list)->selection->data;
units = gtk_list_child_position(GTK_LIST(GTK_COMBO(units_combo)->list), child);
switch(units){
case SG_UNIT_MM:
pts_width = width * PTS_MM;
pts_height = height * PTS_MM;
pts_left = left * PTS_MM;
pts_top = top * PTS_MM;
break;
case SG_UNIT_CM:
pts_width = width * PTS_CM;
pts_height = height * PTS_CM;
pts_left = left * PTS_CM;
pts_top = top * PTS_CM;
break;
case SG_UNIT_IN:
pts_width = width * PTS_IN;
pts_height = height * PTS_IN;
pts_left = left * PTS_IN;
pts_top = top * PTS_IN;
break;
case SG_UNIT_PIXEL:
pts_width = width * PTS_PIX;
pts_height = height * PTS_PIX;
pts_left = left * PTS_PIX;
pts_top = top * PTS_PIX;
break;
case SG_UNIT_PT:
pts_width = width * PTS_PT;
pts_height = height * PTS_PT;
pts_left = left * PTS_PT;
pts_top = top * PTS_PT;
break;
default:
pts_width = width * the_plot->page_width;
pts_height = height * the_plot->page_height;
pts_left = left * the_plot->page_width;
pts_top = top * the_plot->page_height;
break;
}
gtk_plot_move_resize(plot,
pts_left / (gdouble) the_plot->page_width,
pts_top / (gdouble) the_plot->page_height,
pts_width / (gdouble) the_plot->page_width,
pts_height / (gdouble) the_plot->page_height);
combo = GTK_COLOR_COMBO(color_combo);
color_name = gtk_color_combo_get_color_at(combo, combo->row, combo->column);
gdk_color_parse(color_name, &color);
gdk_color_alloc(color_combo->style->colormap, &color);
plot->background = color;
gtk_plot_set_transparent(GTK_PLOT(plot),
gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(transparent_item)));
/*
plot->show_legends = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(legends_item));
*/
parent = (SGplot *)the_layer->parent;
gtk_plot_canvas_paint(GTK_PLOT_CANVAS(parent->real_canvas));
gtk_plot_canvas_refresh(GTK_PLOT_CANVAS(parent->real_canvas));
}
static void
select_image(GtkWidget *widget, gpointer data)
{
GdkPixmap *pixmap;
pixmap = sg_image_import();
if(pixmap)
gtk_plot_set_background_pixmap(GTK_PLOT(the_layer->real_plot), pixmap);
}
static void
new_units(GtkWidget *widget, gpointer data)
{
GtkWidget *child;
gchar label[100];
gint new_units;
gdouble width, height;
gdouble left, top;
child = (GtkWidget *)GTK_LIST(GTK_COMBO(units_combo)->list)->selection->data;
new_units = gtk_list_child_position(GTK_LIST(GTK_COMBO(units_combo)->list), child);
switch(new_units){
case SG_UNIT_MM:
width = (gdouble)pts_width / (gdouble)PTS_MM;
height = (gdouble)pts_height / (gdouble)PTS_MM;
left = (gdouble)pts_left / (gdouble)PTS_MM;
top = (gdouble)pts_top / (gdouble)PTS_MM;
break;
case SG_UNIT_CM:
width = (gdouble)pts_width / (gdouble)PTS_CM;
height = (gdouble)pts_height / (gdouble)PTS_CM;
left = (gdouble)pts_left / (gdouble)PTS_CM;
top = (gdouble)pts_top / (gdouble)PTS_CM;
break;
case SG_UNIT_IN:
width = (gdouble)pts_width / (gdouble)PTS_IN;
height = (gdouble)pts_height / (gdouble)PTS_IN;
left = (gdouble)pts_left / (gdouble)PTS_IN;
top = (gdouble)pts_top / (gdouble)PTS_IN;
break;
case SG_UNIT_PIXEL:
width = (gdouble)pts_width / (gdouble)PTS_PIX;
height = (gdouble)pts_height / (gdouble)PTS_PIX;
left = (gdouble)pts_left / (gdouble)PTS_PIX;
top = (gdouble)pts_top / (gdouble)PTS_PIX;
break;
case SG_UNIT_PT:
width = (gdouble)pts_width / (gdouble)PTS_PT;
height = (gdouble)pts_height / (gdouble)PTS_PT;
left = (gdouble)pts_left / (gdouble)PTS_PT;
top = (gdouble)pts_top / (gdouble)PTS_PT;
break;
default:
width = (gdouble)pts_width / (gdouble)the_plot->page_width;
height = (gdouble)pts_height / (gdouble)the_plot->page_height;
left = (gdouble)pts_left / (gdouble)the_plot->page_width;
top = (gdouble)pts_top / (gdouble)the_plot->page_height;
break;
}
sprintf(label, "%.*f", 3, width);
gtk_entry_set_text(GTK_ENTRY(width_entry), label);
sprintf(label, "%.*f", 3, height);
gtk_entry_set_text(GTK_ENTRY(height_entry), label);
sprintf(label, "%.*f", 3, left);
gtk_entry_set_text(GTK_ENTRY(left_entry), label);
sprintf(label, "%.*f", 3, top);
gtk_entry_set_text(GTK_ENTRY(top_entry), label);
}
static void
preserve_ratio(GtkWidget *widget, gpointer data)
{
GtkWidget *child;
gint new_width, new_height;
gdouble width, height;
gdouble ratio;
gchar label[100];
gint units;
child = (GtkWidget *)GTK_LIST(GTK_COMBO(units_combo)->list)->selection->data;
units = gtk_list_child_position(GTK_LIST(GTK_COMBO(units_combo)->list), child);
width = atof(gtk_entry_get_text(GTK_ENTRY(width_entry)));
height = atof(gtk_entry_get_text(GTK_ENTRY(height_entry)));
if(!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ratio_item))) return;
switch(units){
case SG_UNIT_MM:
new_width = width * PTS_MM;
new_height = height * PTS_MM;
break;
case SG_UNIT_CM:
new_width = width * PTS_CM;
new_height = height * PTS_CM;
break;
case SG_UNIT_IN:
new_width = width * PTS_IN;
new_height = height * PTS_IN;
break;
case SG_UNIT_PIXEL:
new_width = width * PTS_PIX;
new_height = height * PTS_PIX;
break;
case SG_UNIT_PT:
new_width = width * PTS_PT;
new_height = height * PTS_PT;
break;
default:
new_width = width * the_plot->page_width;
new_height = height * the_plot->page_height;
break;
}
if(widget == width_entry){
ratio = (gdouble)new_width / (gdouble)pts_width;
height *= ratio;
pts_height *= ratio;
}else{
ratio = (gdouble)new_height / (gdouble)pts_height;
width *= ratio;
pts_width *= ratio;
}
sprintf(label, "%.*f", 3, width);
gtk_entry_set_text(GTK_ENTRY(width_entry), label);
sprintf(label, "%.*f", 3, height);
gtk_entry_set_text(GTK_ENTRY(height_entry), label);
}
static void
init_dialog()
{
gchar label[100];
sg_combo_set_items(GTK_COMBO(units_combo), units);
gtk_list_select_item(GTK_LIST(GTK_COMBO(units_combo)->list), the_plot->page_units);
gtk_entry_set_editable(GTK_ENTRY(GTK_COMBO(units_combo)->entry), FALSE);
pts_width = plot->width * the_plot->page_width;
pts_height = plot->height * the_plot->page_height;
pts_left = plot->x * the_plot->page_width;
pts_top = plot->y * the_plot->page_height;
new_units(NULL, NULL);
gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(transparent_item),
gtk_plot_is_transparent(GTK_PLOT(plot)));
/*
gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(legends_item),
plot->show_legends);
*/
sg_color_combo_init(GTK_COLOR_COMBO(color_combo), GTK_PLOT(plot)->background);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ratio_item), FALSE);
}
GtkWidget *
sg_layer_dialog_new (SGlayer *layer)
{
GtkWidget *frame;
GtkWidget *main_box, *main_table;
GtkWidget *table;
GtkWidget *box;
GtkWidget *label;
GtkRequisition req;
the_layer = layer;
plot = GTK_PLOT(layer->real_plot);
the_plot = SG_PLOT(layer->parent);
/* Create widgets */
main_box = gtk_hbox_new (FALSE,5);
gtk_container_set_border_width(GTK_CONTAINER(main_box), 5);
main_table = gtk_table_new(2,2,FALSE);
gtk_container_set_border_width(GTK_CONTAINER(main_table), 5);
gtk_table_set_col_spacings(GTK_TABLE(main_table), 5);
gtk_table_set_row_spacings(GTK_TABLE(main_table), 5);
gtk_box_pack_start (GTK_BOX (main_box), main_table, FALSE, FALSE, 0);
/*----------------------------------------------*/
frame = gtk_frame_new("Position");
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
gtk_table_attach_defaults(GTK_TABLE(main_table), frame, 0, 1, 0, 1);
table=gtk_table_new(5, 3, FALSE);
gtk_container_set_border_width(GTK_CONTAINER(table), 5);
gtk_table_set_col_spacings(GTK_TABLE(table), 5);
gtk_table_set_row_spacings(GTK_TABLE(table), 5);
gtk_container_add(GTK_CONTAINER(frame), table);
box = gtk_hbox_new(TRUE, 5);
gtk_table_attach_defaults(GTK_TABLE(table),
box, 0, 4, 0, 1);
label = gtk_label_new("Units ");
gtk_misc_set_alignment(GTK_MISC(label), 1., 0.);
gtk_box_pack_start(GTK_BOX(box), label, FALSE, FALSE, 0);
units_combo = gtk_combo_new();
gtk_entry_set_editable(GTK_ENTRY(GTK_COMBO(units_combo)->entry), FALSE);
gtk_box_pack_end(GTK_BOX(box), units_combo, FALSE, FALSE, 0);
gtk_table_attach(GTK_TABLE(table), gtk_hseparator_new(), 0, 4, 1, 2,
GTK_FILL, GTK_SHRINK, 5, 5);
gtk_table_attach_defaults(GTK_TABLE(table),
gtk_label_new("left offset "), 0, 1, 2, 3);
gtk_table_attach_defaults(GTK_TABLE(table),
gtk_label_new("top offset "), 0, 1, 3, 4);
gtk_table_attach_defaults(GTK_TABLE(table),
gtk_label_new("width "), 2, 3, 2, 3);
gtk_table_attach_defaults(GTK_TABLE(table),
gtk_label_new("height "), 2, 3, 3, 4);
left_entry = gtk_entry_new();
top_entry = gtk_entry_new();
width_entry = gtk_entry_new();
height_entry = gtk_entry_new();
gtk_widget_size_request(left_entry, &req);
req.width /= 2;
gtk_widget_set_usize(left_entry, req.width, req.height);
gtk_widget_set_usize(top_entry, req.width, req.height);
gtk_widget_set_usize(width_entry, req.width, req.height);
gtk_widget_set_usize(height_entry, req.width, req.height);
gtk_table_attach_defaults(GTK_TABLE(table), left_entry, 1, 2, 2, 3);
gtk_table_attach_defaults(GTK_TABLE(table), top_entry, 1, 2, 3, 4);
gtk_table_attach_defaults(GTK_TABLE(table), width_entry, 3, 4, 2, 3);
gtk_table_attach_defaults(GTK_TABLE(table), height_entry, 3, 4, 3, 4);
gtk_table_attach_defaults(GTK_TABLE(table),
ratio_item = gtk_check_item_new_with_label("preserve aspect ratio"),
0, 4, 4, 5);
/*--------------------------------------*/
frame = gtk_frame_new("Properties");
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
gtk_table_attach_defaults(GTK_TABLE(main_table), frame, 1, 2, 0, 1);
table=gtk_table_new(3, 3, FALSE);
gtk_container_set_border_width(GTK_CONTAINER(table), 5);
gtk_table_set_col_spacings(GTK_TABLE(table), 5);
gtk_table_set_row_spacings(GTK_TABLE(table), 5);
gtk_container_add(GTK_CONTAINER(frame), table);
transparent_item = gtk_check_item_new_with_label("transparent");
gtk_table_attach_defaults(GTK_TABLE(table), transparent_item, 0, 2, 0, 1);
gtk_table_attach_defaults(GTK_TABLE(table),
gtk_label_new("Background"), 0, 1, 1, 2);
color_combo = gtk_color_combo_new();
gtk_table_attach_defaults(GTK_TABLE(table), color_combo, 1, 2, 1, 2);
/*
legends_item = gtk_check_item_new_with_label("show legends");
gtk_table_attach_defaults(GTK_TABLE(table), legends_item, 0, 2, 2, 3);
*/
bg_button = gtk_button_new_with_label("Browse...");
gtk_table_attach_defaults(GTK_TABLE(table), gtk_label_new("Use image"), 0, 1, 2, 3);
gtk_table_attach_defaults(GTK_TABLE(table), bg_button, 1, 2, 2, 3);
/*--------------------------------------*/
/* connect signals */
init_dialog();
sg_entry_set_numeric(GTK_ENTRY(left_entry), 3);
sg_entry_set_numeric(GTK_ENTRY(top_entry), 3);
sg_entry_set_numeric(GTK_ENTRY(width_entry), 3);
sg_entry_set_numeric(GTK_ENTRY(height_entry), 3);
gtk_signal_connect (GTK_OBJECT (bg_button),
"clicked",
GTK_SIGNAL_FUNC (select_image),
NULL);
gtk_signal_connect (GTK_OBJECT (GTK_COMBO(units_combo)->entry),
"changed",
GTK_SIGNAL_FUNC (new_units),
NULL);
gtk_signal_connect (GTK_OBJECT (width_entry),
"activate",
GTK_SIGNAL_FUNC (preserve_ratio),
NULL);
gtk_signal_connect (GTK_OBJECT (height_entry),
"activate",
GTK_SIGNAL_FUNC (preserve_ratio),
NULL);
return main_box;
}
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