ui_misc.c

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/*
 * (SLIK) SimpLIstic sKin functions
 * (C) 2004 John Ellis
 *
 * Author: John Ellis
 *
 * This software is released under the GNU General Public License (GNU GPL).
 * Please read the included file COPYING for more information.
 * This software comes with no warranty of any kind, use at your own risk!
 */

#ifdef HAVE_CONFIG_H
#  include "config.h"
#endif
#include "intl.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>

#include "ui_misc.h"

#include "ui_bookmark.h"


/*
 *-----------------------------------------------------------------------------
 * widget and layout utilities
 *-----------------------------------------------------------------------------
 */

GtkWidget *pref_box_new(GtkWidget *parent_box, gint fill,
			GtkOrientation orientation, gint padding)
{
	GtkWidget *box;

	if (orientation == GTK_ORIENTATION_HORIZONTAL)
		{
		box = gtk_hbox_new(FALSE, padding);
		}
	else
		{
		box = gtk_vbox_new(FALSE, padding);
		}

	gtk_box_pack_start(GTK_BOX(parent_box), box, fill, fill, 0);
	gtk_widget_show(box);

	return box;
}

GtkWidget *pref_group_new(GtkWidget *parent_box, gint fill,
			  const gchar *text, GtkOrientation orientation)
{
	GtkWidget *box;
	GtkWidget *vbox;
	GtkWidget *hbox;
	GtkWidget *label;

	vbox = gtk_vbox_new(FALSE, PREF_PAD_GAP);

	/* add additional spacing if necessary */
	if (GTK_IS_VBOX(parent_box) && GTK_BOX(parent_box)->children != NULL)
		{
		pref_spacer(vbox, PREF_PAD_GROUP - PREF_PAD_GAP);
		}

	gtk_box_pack_start(GTK_BOX(parent_box), vbox, fill, fill, 0);
	gtk_widget_show(vbox);

	label = gtk_label_new(text);
	gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
	pref_label_bold(label, TRUE, FALSE);

	gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
	gtk_widget_show(label);

	hbox = gtk_hbox_new(FALSE, PREF_PAD_INDENT);
	gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
	gtk_widget_show(hbox);

	/* indent using empty box */
	pref_spacer(hbox, 0);

	if (orientation == GTK_ORIENTATION_HORIZONTAL)
		{
		box = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
		}
	else
		{
		box = gtk_vbox_new(FALSE, PREF_PAD_GAP);
		}
	gtk_box_pack_start(GTK_BOX(hbox), box, TRUE, TRUE, 0);
	gtk_widget_show(box);

	g_object_set_data(G_OBJECT(box), "pref_group", vbox);

	return box;
}

GtkWidget *pref_group_parent(GtkWidget *child)
{
	GtkWidget *parent;

	parent = child;
	while (parent)
		{
		GtkWidget *group;

		group = g_object_get_data(G_OBJECT(parent), "pref_group");
		if (group && GTK_IS_WIDGET(group)) return group;

		parent = gtk_widget_get_parent(parent);
		}

	return child;
}

GtkWidget *pref_frame_new(GtkWidget *parent_box, gint fill,
			  const gchar *text,
			  GtkOrientation orientation, gint padding)
{
	GtkWidget *box;
	GtkWidget *frame = NULL;

	frame = gtk_frame_new(text);
	gtk_box_pack_start(GTK_BOX(parent_box), frame, fill, fill, 0);
	gtk_widget_show(frame);

	if (orientation == GTK_ORIENTATION_HORIZONTAL)
		{
		box = gtk_hbox_new(FALSE, padding);
		}
	else
		{
		box = gtk_vbox_new(FALSE, padding);
		}
	gtk_container_add(GTK_CONTAINER(frame), box);
	gtk_container_set_border_width(GTK_CONTAINER(box), PREF_PAD_BORDER);
	gtk_widget_show(box);

	return box;
}

GtkWidget *pref_spacer(GtkWidget *parent_box, gint padding)
{
	GtkWidget *spacer;

	spacer = gtk_hbox_new(FALSE, 0);
	gtk_box_pack_start(GTK_BOX(parent_box), spacer, FALSE, FALSE, padding / 2);
	gtk_widget_show(spacer);

	return spacer;
}

GtkWidget *pref_line(GtkWidget *parent_box, gint padding)
{
	GtkWidget *spacer;

	if (GTK_IS_HBOX(parent_box))
		{
		spacer = gtk_vseparator_new();
		}
	else
		{
		spacer = gtk_hseparator_new();
		}

	gtk_box_pack_start(GTK_BOX(parent_box), spacer, FALSE, FALSE, padding / 2);
	gtk_widget_show(spacer);

	return spacer;
}

GtkWidget *pref_label_new(GtkWidget *parent_box, const gchar *text)
{
	GtkWidget *label;

	label = gtk_label_new(text);
	gtk_box_pack_start(GTK_BOX(parent_box), label, FALSE, FALSE, 0);
	gtk_widget_show(label);

	return label;
}

GtkWidget *pref_label_new_mnemonic(GtkWidget *parent_box, const gchar *text, GtkWidget *widget)
{
	GtkWidget *label;

	label = gtk_label_new_with_mnemonic(text);
	gtk_label_set_mnemonic_widget(GTK_LABEL(label), widget);
	gtk_box_pack_start(GTK_BOX(parent_box), label, FALSE, FALSE, 0);
	gtk_widget_show(label);

	return label;
}

void pref_label_bold(GtkWidget *label, gint bold, gint increase_size)
{
	PangoAttrList *pal;
	PangoAttribute *pa;

	if (!bold && !increase_size) return;

	pal = pango_attr_list_new();

	if (bold)
		{
		pa = pango_attr_weight_new(PANGO_WEIGHT_BOLD);
		pa->start_index = 0;
		pa->end_index = G_MAXINT;
		pango_attr_list_insert(pal, pa);
		}

	if (increase_size)
		{
		pa = pango_attr_scale_new(PANGO_SCALE_LARGE);
		pa->start_index = 0;
		pa->end_index = G_MAXINT;
		pango_attr_list_insert(pal, pa);
		}

	gtk_label_set_attributes(GTK_LABEL(label), pal);
	pango_attr_list_unref(pal);
}

GtkWidget *pref_button_new(GtkWidget *parent_box, const gchar *stock_id,
			   const gchar *text, gint hide_stock_text,
			   GCallback func, gpointer data)
{
	GtkWidget *button;

	if (stock_id && !text && !hide_stock_text)
		{
		button = gtk_button_new_from_stock(stock_id);
		}
	else
		{
		GtkWidget *image = NULL;
		GtkWidget *label = NULL;

		button = gtk_button_new();

		if (stock_id) image = gtk_image_new_from_stock(stock_id, GTK_ICON_SIZE_BUTTON);
		if (text)
			{
			label = gtk_label_new_with_mnemonic(text);
			gtk_misc_set_alignment(GTK_MISC(label), 0.5, 0.5);
			gtk_label_set_mnemonic_widget(GTK_LABEL(label), button);
			}

		if (image && label)
			{
			GtkWidget *align;
			GtkWidget *hbox;

			hbox = gtk_hbox_new (FALSE, PREF_PAD_BUTTON_ICON_GAP);

			align = gtk_alignment_new(0.5, 0.5, 0.0, 0.0);
			gtk_container_add(GTK_CONTAINER(button), align);
			gtk_widget_show(align);

			gtk_container_add(GTK_CONTAINER(align), hbox);
			gtk_widget_show(hbox);

			gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
			gtk_box_pack_end(GTK_BOX(hbox), label, FALSE, FALSE, 0);
			}
		else
			{
			if (image)
				{
				gtk_container_add(GTK_CONTAINER(button), image);
				}
			else if (label)
				{
				gtk_container_add(GTK_CONTAINER(button), label);
				}
			}

		if (image) gtk_widget_show(image);
		if (label) gtk_widget_show(label);
		}

	if (func) g_signal_connect(G_OBJECT(button), "clicked", func, data);

	if (parent_box)
		{
		gtk_box_pack_start(GTK_BOX(parent_box), button, FALSE, FALSE, 0);
		gtk_widget_show(button);
		}

	return button;
}

static GtkWidget *real_pref_checkbox_new(GtkWidget *parent_box, const gchar *text, gint mnemonic_text,
					 gint active, GCallback func, gpointer data)
{
	GtkWidget *button;

	if (mnemonic_text)
		{
		button = gtk_check_button_new_with_mnemonic(text);
		}
	else
		{
		button = gtk_check_button_new_with_label(text);
		}
	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), active);
	if (func) g_signal_connect(G_OBJECT(button), "clicked", func, data);

	gtk_box_pack_start(GTK_BOX(parent_box), button, FALSE, FALSE, 0);
	gtk_widget_show(button);

	return button;
}

GtkWidget *pref_checkbox_new(GtkWidget *parent_box, const gchar *text, gint active,
			     GCallback func, gpointer data)
{
	return real_pref_checkbox_new(parent_box, text, FALSE, active, func, data);
}

GtkWidget *pref_checkbox_new_mnemonic(GtkWidget *parent_box, const gchar *text, gint active,
				      GCallback func, gpointer data)
{
	return real_pref_checkbox_new(parent_box, text, TRUE, active, func, data);
}

static void pref_checkbox_int_cb(GtkWidget *widget, gpointer data)
{
	gint *result = data;

	*result = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
}

GtkWidget *pref_checkbox_new_int(GtkWidget *parent_box, const gchar *text, gint active,
				 gint *result)
{
	GtkWidget *button;

	button = pref_checkbox_new(parent_box, text, active,
				   G_CALLBACK(pref_checkbox_int_cb), result);
	*result = active;

	return button;
}

static void pref_checkbox_link_sensitivity_cb(GtkWidget *button, gpointer data)
{
	GtkWidget *widget = data;

	gtk_widget_set_sensitive(widget, gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)));
}

void pref_checkbox_link_sensitivity(GtkWidget *button, GtkWidget *widget)
{
	g_signal_connect(G_OBJECT(button), "toggled",
			 G_CALLBACK(pref_checkbox_link_sensitivity_cb), widget);

	pref_checkbox_link_sensitivity_cb(button, widget);
}

static void pref_checkbox_link_sensitivity_swap_cb(GtkWidget *button, gpointer data)
{
	GtkWidget *widget = data;

	gtk_widget_set_sensitive(widget, !gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)));
}

void pref_checkbox_link_sensitivity_swap(GtkWidget *button, GtkWidget *widget)
{
	g_signal_connect(G_OBJECT(button), "toggled",
			 G_CALLBACK(pref_checkbox_link_sensitivity_swap_cb), widget);

	pref_checkbox_link_sensitivity_swap_cb(button, widget);
}

static GtkWidget *real_pref_radiobutton_new(GtkWidget *parent_box, GtkWidget *sibling,
					    const gchar *text, gint mnemonic_text, gint active,
					    GCallback func, gpointer data)
{
	GtkWidget *button;
	GSList* group;

	if (sibling)
		{
		group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(sibling));
		}
	else
		{
		group = NULL;
		}

	if (mnemonic_text)
		{
		button = gtk_radio_button_new_with_mnemonic(group, text);
		}
	else
		{
		button = gtk_radio_button_new_with_label(group, text);
		}

	if (active) gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), active);
	if (func) g_signal_connect(G_OBJECT(button), "clicked", func, data);

	gtk_box_pack_start(GTK_BOX(parent_box), button, FALSE, FALSE, 0);
	gtk_widget_show(button);

	return button;
}

GtkWidget *pref_radiobutton_new(GtkWidget *parent_box, GtkWidget *sibling,
				const gchar *text, gint active,
				GCallback func, gpointer data)
{
	return real_pref_radiobutton_new(parent_box, sibling, text, FALSE, active, func, data);
}

GtkWidget *pref_radiobutton_new_mnemonic(GtkWidget *parent_box, GtkWidget *sibling,
					 const gchar *text, gint active,
					 GCallback func, gpointer data)
{
	return real_pref_radiobutton_new(parent_box, sibling, text, TRUE, active, func, data);
}

#define PREF_RADIO_VALUE_KEY "pref_radio_value"

static void pref_radiobutton_int_cb(GtkWidget *widget, gpointer data)
{
	gint *result = data;

	if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
		{
		*result = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), PREF_RADIO_VALUE_KEY));
		}
}

GtkWidget *pref_radiobutton_new_int(GtkWidget *parent_box, GtkWidget *sibling,
				    const gchar *text, gint active,
				    gint *result, gint value,
				    GCallback func, gpointer data)
{
	GtkWidget *button;

	button = pref_radiobutton_new(parent_box, sibling, text, active,
				      G_CALLBACK(pref_radiobutton_int_cb), result);
	g_object_set_data(G_OBJECT(button), PREF_RADIO_VALUE_KEY, GINT_TO_POINTER(value));
	if (active) *result = value;

	return button;
}

static GtkWidget *real_pref_spin_new(GtkWidget *parent_box, const gchar *text, const gchar *suffix,
				     gint mnemonic_text,
				     gdouble min, gdouble max, gdouble step, gint digits,
				     gdouble value,
				     GCallback func, gpointer data)
{
	GtkWidget *spin;
	GtkWidget *box;
	GtkWidget *label;

	box = pref_box_new(parent_box, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);

	spin = gtk_spin_button_new_with_range(min, max, step);
	gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spin), digits);
	gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), value);

	if (func)
		{
		g_signal_connect(G_OBJECT(spin), "value_changed", G_CALLBACK(func), data);
		}

	if (text)
		{
		if (mnemonic_text)
			{
			label = pref_label_new_mnemonic(box, text, spin);
			}
		else
			{
			label = pref_label_new(box, text);
			}
		pref_link_sensitivity(label, spin);
		}

	gtk_box_pack_start(GTK_BOX(box), spin, FALSE, FALSE, 0);
	gtk_widget_show(spin);

	/* perhaps this should only be PREF_PAD_GAP distance from spinbutton ? */
	if (suffix)
		{
		label =  pref_label_new(box, suffix);
		pref_link_sensitivity(label, spin);
		}

	return spin;
}

GtkWidget *pref_spin_new(GtkWidget *parent_box, const gchar *text, const gchar *suffix,
			 gdouble min, gdouble max, gdouble step, gint digits,
			 gdouble value,
			 GCallback func, gpointer data)
{
	return real_pref_spin_new(parent_box, text, suffix, FALSE,
				  min, max, step, digits, value, func, data);
}

GtkWidget *pref_spin_new_mnemonic(GtkWidget *parent_box, const gchar *text, const gchar *suffix,
				  gdouble min, gdouble max, gdouble step, gint digits,
				  gdouble value,
				  GCallback func, gpointer data)
{
	return real_pref_spin_new(parent_box, text, suffix, TRUE,
				  min, max, step, digits, value, func, data);
}

static void pref_spin_int_cb(GtkWidget *widget, gpointer data)
{
	gint *var = data;
	*var = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(widget));
}

GtkWidget *pref_spin_new_int(GtkWidget *parent_box, const gchar *text, const gchar *suffix,
			     gint min, gint max, gint step,
			     gint value, gint *value_var)
{
	*value_var = value;
	return pref_spin_new(parent_box, text, suffix,
			     (gdouble)min, (gdouble)max, (gdouble)step, 0,
			     value,
			     G_CALLBACK(pref_spin_int_cb), value_var);