con_fonts.c

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/*
 * Copyright 2005 Richard Wilson <info@tinct.net>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf 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; version 2 of the License.
 *
 * NetSurf 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 <http://www.gnu.org/licenses/>.
 */
 
#include <stdbool.h>
#include <stddef.h>
 
#include "utils/nsoption.h"
#include "utils/messages.h"
#include "netsurf/plot_style.h"
 
#include "riscos/gui.h"
#include "riscos/font.h"
#include "riscos/menus.h"
#include "riscos/wimp.h"
#include "riscos/wimp_event.h"
#include "riscos/configure.h"
#include "riscos/configure/configure.h"
#include "riscos/dialog.h"
 
 
#define FONT_SANS_FIELD 3
#define FONT_SANS_MENU 4
#define FONT_SERIF_FIELD 6
#define FONT_SERIF_MENU 7
#define FONT_MONOSPACE_FIELD 9
#define FONT_MONOSPACE_MENU 10
#define FONT_CURSIVE_FIELD 12
#define FONT_CURSIVE_MENU 13
#define FONT_FANTASY_FIELD 15
#define FONT_FANTASY_MENU 16
#define FONT_DEFAULT_FIELD 18
#define FONT_DEFAULT_MENU 19
#define FONT_DEFAULT_SIZE 23
#define FONT_DEFAULT_DEC 24
#define FONT_DEFAULT_INC 25
#define FONT_MINIMUM_SIZE 28
#define FONT_MINIMUM_DEC 29
#define FONT_MINIMUM_INC 30
#define FONT_DEFAULT_BUTTON 32
#define FONT_CANCEL_BUTTON 33
#define FONT_OK_BUTTON 34
 
/* This menu only ever gets created once */
/** \todo The memory claimed for this menu should
 * probably be released at some point */
static wimp_menu *default_menu;
 
static const char *font_names[PLOT_FONT_FAMILY_COUNT] = {
        "Sans-serif",
        "Serif",
        "Monospace",
        "Cursive",
        "Fantasy"
};
 
static void ro_gui_options_fonts_default(wimp_pointer *pointer);
static bool ro_gui_options_fonts_ok(wimp_w w);
static bool ro_gui_options_fonts_init_menu(void);
 
bool ro_gui_options_fonts_initialise(wimp_w w)
{
        /* set the current values */
        ro_gui_set_icon_decimal(w, FONT_DEFAULT_SIZE, nsoption_int(font_size), 1);
        ro_gui_set_icon_decimal(w, FONT_MINIMUM_SIZE, nsoption_int(font_min_size), 1);
        ro_gui_set_icon_string(w, FONT_SANS_FIELD, nsoption_charp(font_sans), true);
        ro_gui_set_icon_string(w, FONT_SERIF_FIELD, nsoption_charp(font_serif), true);
        ro_gui_set_icon_string(w, FONT_MONOSPACE_FIELD, nsoption_charp(font_mono), true);
        ro_gui_set_icon_string(w, FONT_CURSIVE_FIELD, nsoption_charp(font_cursive), true);
        ro_gui_set_icon_string(w, FONT_FANTASY_FIELD, nsoption_charp(font_fantasy), true);
        ro_gui_set_icon_string(w, FONT_DEFAULT_FIELD,
                               font_names[nsoption_int(font_default)], true);
 
        if (!ro_gui_options_fonts_init_menu())
                return false;
 
        /* initialise all functions for a newly created window */
        ro_gui_wimp_event_register_menu_gright(w, FONT_SANS_FIELD,
                        FONT_SANS_MENU, rufl_family_menu);
        ro_gui_wimp_event_register_menu_gright(w, FONT_SERIF_FIELD,
                        FONT_SERIF_MENU, rufl_family_menu);
        ro_gui_wimp_event_register_menu_gright(w, FONT_MONOSPACE_FIELD,
                        FONT_MONOSPACE_MENU, rufl_family_menu);
        ro_gui_wimp_event_register_menu_gright(w, FONT_CURSIVE_FIELD,
                        FONT_CURSIVE_MENU, rufl_family_menu);
        ro_gui_wimp_event_register_menu_gright(w, FONT_FANTASY_FIELD,
                        FONT_FANTASY_MENU, rufl_family_menu);
        ro_gui_wimp_event_register_menu_gright(w, FONT_DEFAULT_FIELD,
                        FONT_DEFAULT_MENU, default_menu);
        ro_gui_wimp_event_register_numeric_field(w, FONT_DEFAULT_SIZE,
                        FONT_DEFAULT_INC, FONT_DEFAULT_DEC, 50, 1000, 1, 1);
        ro_gui_wimp_event_register_numeric_field(w, FONT_MINIMUM_SIZE,
                        FONT_MINIMUM_INC, FONT_MINIMUM_DEC, 10, 500, 1, 1);
        ro_gui_wimp_event_register_button(w, FONT_DEFAULT_BUTTON,
                        ro_gui_options_fonts_default);
        ro_gui_wimp_event_register_cancel(w, FONT_CANCEL_BUTTON);
        ro_gui_wimp_event_register_ok(w, FONT_OK_BUTTON,
                        ro_gui_options_fonts_ok);
        ro_gui_wimp_event_set_help_prefix(w, "HelpFontConfig");
        ro_gui_wimp_event_memorise(w);
        return true;
 
}
 
void ro_gui_options_fonts_default(wimp_pointer *pointer)
{
        const char *fallback = nsfont_fallback_font();
 
        /* set the default values */
        ro_gui_set_icon_decimal(pointer->w, FONT_DEFAULT_SIZE, 128, 1);
        ro_gui_set_icon_decimal(pointer->w, FONT_MINIMUM_SIZE, 85, 1);
        ro_gui_set_icon_string(pointer->w, FONT_SANS_FIELD,
                        nsfont_exists("Homerton") ? "Homerton" : fallback, true);
        ro_gui_set_icon_string(pointer->w, FONT_SERIF_FIELD,
                        nsfont_exists("Trinity") ? "Trinity" : fallback, true);
        ro_gui_set_icon_string(pointer->w, FONT_MONOSPACE_FIELD,
                        nsfont_exists("Corpus") ? "Corpus" : fallback, true);
        ro_gui_set_icon_string(pointer->w, FONT_CURSIVE_FIELD,
                        nsfont_exists("Churchill") ? "Churchill" : fallback, true);
        ro_gui_set_icon_string(pointer->w, FONT_FANTASY_FIELD,
                        nsfont_exists("Sassoon") ? "Sassoon" : fallback, true);
        ro_gui_set_icon_string(pointer->w, FONT_DEFAULT_FIELD,
                        font_names[0], true);
}
 
bool ro_gui_options_fonts_ok(wimp_w w)
{
        unsigned int i;
 
        nsoption_set_int(font_size,
                         ro_gui_get_icon_decimal(w, FONT_DEFAULT_SIZE, 1));
 
        nsoption_set_int(font_min_size,
                         ro_gui_get_icon_decimal(w, FONT_MINIMUM_SIZE, 1));
 
        if (nsoption_int(font_size) < nsoption_int(font_min_size)) {
                nsoption_set_int(font_size, nsoption_int(font_min_size));
                ro_gui_set_icon_decimal(w, FONT_DEFAULT_SIZE, nsoption_int(font_size), 1);
        
}
 
        nsoption_set_charp(font_sans,
                           strdup(ro_gui_get_icon_string(w, FONT_SANS_FIELD)));
 
        nsoption_set_charp(font_serif,
                           strdup(ro_gui_get_icon_string(w, FONT_SERIF_FIELD)));
 
        nsoption_set_charp(font_mono,
                           strdup(ro_gui_get_icon_string(w, FONT_MONOSPACE_FIELD)));
 
        nsoption_set_charp(font_cursive,
                           strdup(ro_gui_get_icon_string(w, FONT_CURSIVE_FIELD)));
 
        nsoption_set_charp(font_fantasy,
                           strdup(ro_gui_get_icon_string(w, FONT_FANTASY_FIELD)));
 
        for (i = 0; i != 5; i++) {
                if (!strcmp(font_names[i], ro_gui_get_icon_string(w,
                                FONT_DEFAULT_FIELD)))
                        break;
        }
        if (i == 5)
                /* this should never happen, but still */
                i = 0;
 
        nsoption_set_int(font_default, i);
 
        ro_gui_save_options();
        return true;
}
 
bool ro_gui_options_fonts_init_menu(void)
{
        unsigned int i;
 
        if (default_menu)
                /* Already exists */
                return true;
 
        default_menu = malloc(wimp_SIZEOF_MENU(5));
        if (!default_menu) {
                ro_warn_user("NoMemory", 0);
                return false;
        }
        default_menu->title_data.indirected_text.text =
                        (char *) messages_get("DefaultFonts");
        ro_gui_menu_init_structure(default_menu, 5);
        for (i = 0; i < 5; i++) {
                default_menu->entries[i].data.indirected_text.text =
                                (char *) font_names[i];
                default_menu->entries[i].data.indirected_text.size =
                                strlen(font_names[i]);
        }
        return true;
}