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#define __SPW_UTILITIES_C__
/*
* Inkscape Widget Utilities
*
* Authors:
* Bryce W. Harrington <brycehar@bryceharrington.com>
* bulia byak <buliabyak@users.sf.net>
*
* Copyright (C) 2003 Bryce W. Harrington
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <cstring>
#include <string>
#include <gtk/gtk.h>
#include "selection.h"
#include "helper/unit-menu.h"
/**
* Creates a label widget with the given text, at the given col, row
* position in the table.
*/
GtkWidget *
spw_label(GtkWidget * table, const gchar *label_text, int col, int row)
{
GtkWidget *label_widget;
label_widget = gtk_label_new (label_text);
g_assert(label_widget != NULL);
gtk_misc_set_alignment (GTK_MISC (label_widget), 1.0, 0.5);
gtk_widget_show (label_widget);
gtk_table_attach (GTK_TABLE (table), label_widget, col, col+1, row, row+1,
(GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)0, 4, 0);
return label_widget;
}
/**
* Creates a horizontal layout manager with 4-pixel spacing between children
* and space for 'width' columns.
*/
GtkWidget *
spw_hbox(GtkWidget * table, int width, int col, int row)
{
GtkWidget *hb;
/* Create a new hbox with a 4-pixel spacing between children */
hb = gtk_hbox_new (FALSE, 4);
g_assert(hb != NULL);
gtk_widget_show (hb);
gtk_table_attach (GTK_TABLE (table), hb, col, col+width, row, row+1,
(GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)0, 0, 0);
return hb;
}
/**
* Creates a checkbutton widget and adds it to a vbox.
* This is a compound widget that includes a label.
*/
GtkWidget *spw_vbox_checkbutton(GtkWidget *dialog, GtkWidget *vbox,
const gchar *label, const gchar *tip, gchar *key, GCallback cb)
{
g_assert (dialog != NULL);
g_assert (vbox != NULL);
GtkTooltips *tt = gtk_tooltips_new ();
GtkWidget *b = gtk_check_button_new_with_label (label);
gtk_tooltips_set_tip(tt, b, tip, NULL);
g_assert (b != NULL);
gtk_widget_show (b);
gtk_box_pack_start (GTK_BOX (vbox), b, FALSE, FALSE, 0);
gtk_object_set_data (GTK_OBJECT (b), "key", key);
gtk_object_set_data (GTK_OBJECT (dialog), key, b);
g_signal_connect (G_OBJECT (b), "toggled", cb, dialog);
return b;
}
/**
* Creates a checkbutton widget and adds it to a table.
* This is a compound widget that includes a label.
*/
GtkWidget *
spw_checkbutton(GtkWidget * dialog, GtkWidget * table,
const gchar * label, gchar * key, int /*col*/, int row,
int insensitive, GCallback cb)
{
GtkWidget *b;
g_assert(dialog != NULL);
g_assert(table != NULL);
GtkWidget *l = gtk_label_new (label);
gtk_misc_set_alignment (GTK_MISC (l), 1.0, 0.5);
gtk_widget_show (l);
gtk_table_attach (GTK_TABLE (table), l, 0, 1, row, row+1,
(GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)0, 0, 0);
b = gtk_check_button_new ();
gtk_widget_show (b);
gtk_table_attach (GTK_TABLE (table), b, 1, 2, row, row+1,
(GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)0, 0, 0);
gtk_object_set_data (GTK_OBJECT (b), "key", key);
gtk_object_set_data (GTK_OBJECT (dialog), key, b);
g_signal_connect (G_OBJECT (b), "toggled", cb, dialog);
if (insensitive == 1) {
gtk_widget_set_sensitive (b, FALSE);
}
return b;
}
/**
* Creates a dropdown widget. This is a compound widget that includes
* a label as well as the dropdown.
*/
GtkWidget *
spw_dropdown(GtkWidget * dialog, GtkWidget * table,
const gchar * label_text, gchar * key, int row,
GtkWidget * selector
)
{
g_assert(dialog != NULL);
g_assert(table != NULL);
g_assert(selector != NULL);
spw_label(table, label_text, 0, row);
gtk_widget_show (selector);
gtk_table_attach (GTK_TABLE (table), selector, 1, 2, row, row+1,
(GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)0, 0, 0);
gtk_object_set_data (GTK_OBJECT (dialog), key, selector);
return selector;
}
/**
* Creates a unit selector widget, used for selecting whether one wishes
* to measure screen elements in millimeters, points, etc. This is a
* compound unit that includes a label as well as the dropdown selector.
*/
GtkWidget *
spw_unit_selector(GtkWidget * dialog, GtkWidget * table,
const gchar * label_text, gchar * key, int row,
GtkWidget * us, GCallback cb, bool can_be_negative)
{
GtkWidget * sb;
GtkObject * a;
g_assert(dialog != NULL);
g_assert(table != NULL);
g_assert(us != NULL);
spw_label(table, label_text, 0, row);
a = gtk_adjustment_new (0.0, can_be_negative?-1e6:0, 1e6, 1.0, 10.0, 10.0);
g_assert(a != NULL);
gtk_object_set_data (GTK_OBJECT (a), "key", key);
gtk_object_set_data (GTK_OBJECT (a), "unit_selector", us);
gtk_object_set_data (GTK_OBJECT (dialog), key, a);
sp_unit_selector_add_adjustment (SP_UNIT_SELECTOR (us), GTK_ADJUSTMENT (a));
sb = gtk_spin_button_new (GTK_ADJUSTMENT (a), 1.0, 4);
g_assert(sb != NULL);
gtk_widget_show (sb);
gtk_table_attach (GTK_TABLE (table), sb, 1, 2, row, row+1,
(GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)0, 0, 0);
g_signal_connect (G_OBJECT (a), "value_changed", cb, dialog);
return sb;
}
void
sp_set_font_size_recursive (GtkWidget *w, gpointer font)
{
guint size = GPOINTER_TO_UINT (font);
PangoFontDescription* pan = pango_font_description_new ();
pango_font_description_set_size (pan, size);
gtk_widget_modify_font (w, pan);
if (GTK_IS_CONTAINER(w)) {
gtk_container_foreach (GTK_CONTAINER(w), (GtkCallback) sp_set_font_size_recursive, font);
}
pango_font_description_free (pan);
}
void
sp_set_font_size (GtkWidget *w, guint font)
{
sp_set_font_size_recursive (w, GUINT_TO_POINTER(font));
}
void
sp_set_font_size_smaller (GtkWidget *w)
{
PangoContext *pc = gtk_widget_get_pango_context (w);
PangoFontDescription* pfd = pango_context_get_font_description (pc);
guint size = pango_font_description_get_size (pfd);
sp_set_font_size_recursive (w, GUINT_TO_POINTER((int) (0.8*size)));
}
/**
\brief Finds the descendant of w which has the data with the given key and returns the data, or NULL if there's none
*/
gpointer
sp_search_by_data_recursive (GtkWidget *w, gpointer key)
{
gpointer r = NULL;
if (w && GTK_IS_OBJECT(w)) {
r = gtk_object_get_data (GTK_OBJECT(w), (gchar *) key);
}
if (r) return r;
if (GTK_IS_CONTAINER(w)) {
GList *ch = gtk_container_get_children (GTK_CONTAINER(w));
for (GList *i = ch; i != NULL; i = i->next) {
r = sp_search_by_data_recursive(GTK_WIDGET(i->data), key);
if (r) return r;
}
}
return NULL;
}
/**
\brief Returns the descendant of w which has the given key and value pair, or NULL if there's none
*/
GtkWidget *
sp_search_by_value_recursive (GtkWidget *w, gchar *key, gchar *value)
{
gchar *r = NULL;
GtkWidget *child;
if (w && GTK_IS_OBJECT(w)) {
r = (gchar *) gtk_object_get_data (GTK_OBJECT(w), key);
}
if (r && !strcmp (r, value)) return w;
if (GTK_IS_CONTAINER(w)) {
GList *ch = gtk_container_get_children (GTK_CONTAINER(w));
for (GList *i = ch; i != NULL; i = i->next) {
child = sp_search_by_value_recursive(GTK_WIDGET(i->data), key, value);
if (child) return child;
}
}
return NULL;
}
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