window.c

添加系统调用。。。在LINUX下添加一个新的系统调用。在文件中添加自己的系统调用的源代码

        /* Insert button */
        insert_button = gtk_button_new_with_label("Enter");
        gtk_button_set_focus_on_click(GTK_BUTTON(insert_button), FALSE);
        gtk_button_set_image(GTK_BUTTON(insert_button),
                             gtk_image_new_from_stock(GTK_STOCK_OK,
                                                      GTK_ICON_SIZE_BUTTON));
        gtk_button_set_relief(GTK_BUTTON(insert_button), GTK_RELIEF_NONE);
        gtk_box_pack_start(GTK_BOX(bottom_box), insert_button, FALSE, FALSE, 0);
        g_signal_connect(G_OBJECT(insert_button), "clicked",
                         G_CALLBACK(insert_button_clicked), 0);
        gtk_tooltips_set_tip(tooltips, insert_button,
                             "Insert input or press Enter key", NULL);

        /* Back buffer button */
        buffer_button = gtk_toggle_button_new();
        gtk_button_set_focus_on_click(GTK_BUTTON(buffer_button), FALSE);
        button_set_image_xpm(buffer_button, tab_xpm);
        gtk_button_set_relief(GTK_BUTTON(buffer_button), GTK_RELIEF_NONE);
        gtk_box_pack_start(GTK_BOX(bottom_box), buffer_button, FALSE, FALSE, 0);
        g_signal_connect(G_OBJECT(buffer_button), "pressed",
                         G_CALLBACK(buffer_button_pressed), NULL);
        gtk_tooltips_set_tip(tooltips, buffer_button,
                             "Recall previously entered input", NULL);
        gtk_widget_set_sensitive(buffer_button, FALSE);

        /* Pack the regular bottom box */
        gtk_box_pack_start(GTK_BOX(window_vbox), bottom_box, FALSE, FALSE, 0);
        if (!keyboard_only)
                gtk_widget_show_all(bottom_box);

        /* Update button labels */
        toggle_button_labels(window_button_labels);

        /* Set window style */
        window_style_set(window);

        if (window_embedded) {

                /* Embedding in a screensaver won't let us popup new windows */
                gtk_widget_hide(buffer_button);
                gtk_widget_hide(train_button);
                gtk_widget_hide(setup_button);

                /* If we are embedded we need to print the plug's window XID */
                g_signal_connect_after(G_OBJECT(window), "realize",
                                       G_CALLBACK(print_window_xid), NULL);

                gtk_container_add(GTK_CONTAINER(window), window_vbox);
                gtk_widget_show(window);
                return;
        }

        /* Non-embedded window configuration */
        gtk_container_add(GTK_CONTAINER(window), window_vbox);
        gtk_window_set_keep_above(GTK_WINDOW(window), TRUE);
        gtk_window_set_type_hint(GTK_WINDOW(window),
                                 GDK_WINDOW_TYPE_HINT_UTILITY);
        gtk_window_set_title(GTK_WINDOW(window), PACKAGE_NAME);
        gtk_window_set_skip_pager_hint(GTK_WINDOW(window), TRUE);
        gtk_window_set_skip_taskbar_hint(GTK_WINDOW(window), TRUE);
        gtk_window_set_decorated(GTK_WINDOW(window), TRUE);
        gtk_window_stick(GTK_WINDOW(window));

        /* Coordinates passed on the command-line */
        if (window_force_x >= 0)
                window_frame.x = window_force_x;
        if (window_force_y >= 0)
                window_frame.y = window_force_y;

        /* Center window on initial startup */
        screen = gtk_window_get_screen(GTK_WINDOW(window));
        if (window_frame.x < 0)
                window_frame.x = gdk_screen_get_width(screen) / 2;
        if (window_frame.y < 0)
                window_frame.y = gdk_screen_get_height(screen) * 3 / 4;
        gtk_window_move(GTK_WINDOW(window), window_frame.x,
                        window_frame.y);

        /* Create status icon */
        status_icon_create();

        /* Set the window size */
        if (window_force_docked >= WINDOW_UNDOCKED)
                window_docked = window_force_docked;
        if (window_docked) {
                int mode;

                mode = window_docked;
                window_docked = WINDOW_UNDOCKED;
                window_set_docked(mode);
        }

        /* Show window */
        if (window_force_hide)
                window_shown = FALSE;
        else if (window_force_show)
                window_shown = TRUE;
        if (window_shown || !status_icon_embedded())
                gtk_widget_show(window);
}

void window_sync(void)
/* Sync data with profile, do not change item order! */
{
        profile_write("window");

        /* Docking the window will mess up the desired natural frame */
        if (!profile_read_only && window_docked) {
                profile_sync_int(&window_frame_saved.x);
                profile_sync_int(&window_frame_saved.y);
        } else {
                profile_sync_int(&window_frame.x);
                profile_sync_int(&window_frame.y);
        }

        profile_sync_int(&training_block);
        profile_sync_int(&window_shown);
        profile_sync_int(&window_button_labels);
        profile_sync_int(&keyboard_size);
        profile_sync_int(&window_docked);
        profile_write("\n");
}

void window_cleanup(void)
{
        key_widget_cleanup(key_widget);
}

/*
        Unicode blocks
*/

/* This table is based on unicode-blocks.h from the gucharmap project */
UnicodeBlock unicode_blocks[] =
{
        { TRUE,  0x0000, 0x007F, "Basic Latin" },
        { TRUE,  0x0080, 0x00FF, "Latin-1 Supplement" },
        { FALSE, 0x0100, 0x017F, "Latin Extended-A" },
        { FALSE, 0x0180, 0x024F, "Latin Extended-B" },
        { FALSE, 0x0250, 0x02AF, "IPA Extensions" },
        { FALSE, 0x02B0, 0x02FF, "Spacing Modifier Letters" },
        { FALSE, 0x0300, 0x036F, "Combining Diacritical Marks" },
        { FALSE, 0x0370, 0x03FF, "Greek and Coptic" },
        { FALSE, 0x0400, 0x04FF, "Cyrillic" },
        { FALSE, 0x0500, 0x052F, "Cyrillic Supplement" },
        { FALSE, 0x0530, 0x058F, "Armenian" },
        { FALSE, 0x0590, 0x05FF, "Hebrew" },
        { FALSE, 0x0600, 0x06FF, "Arabic" },
        { FALSE, 0x0700, 0x074F, "Syriac" },
        { FALSE, 0x0750, 0x077F, "Arabic Supplement" },
        { FALSE, 0x0780, 0x07BF, "Thaana" },
        { FALSE, 0x07C0, 0x07FF, "N'Ko" },
        { FALSE, 0x0900, 0x097F, "Devanagari" },
        { FALSE, 0x0980, 0x09FF, "Bengali" },
        { FALSE, 0x0A00, 0x0A7F, "Gurmukhi" },
        { FALSE, 0x0A80, 0x0AFF, "Gujarati" },
        { FALSE, 0x0B00, 0x0B7F, "Oriya" },
        { FALSE, 0x0B80, 0x0BFF, "Tamil" },
        { FALSE, 0x0C00, 0x0C7F, "Telugu" },
        { FALSE, 0x0C80, 0x0CFF, "Kannada" },
        { FALSE, 0x0D00, 0x0D7F, "Malayalam" },
        { FALSE, 0x0D80, 0x0DFF, "Sinhala" },
        { FALSE, 0x0E00, 0x0E7F, "Thai" },
        { FALSE, 0x0E80, 0x0EFF, "Lao" },
        { FALSE, 0x0F00, 0x0FFF, "Tibetan" },
        { FALSE, 0x1000, 0x109F, "Myanmar" },
        { FALSE, 0x10A0, 0x10FF, "Georgian" },
        { FALSE, 0x1100, 0x11FF, "Hangul Jamo" },
        { FALSE, 0x1200, 0x137F, "Ethiopic" },
        { FALSE, 0x1380, 0x139F, "Ethiopic Supplement" },
        { FALSE, 0x13A0, 0x13FF, "Cherokee" },
        { FALSE, 0x1400, 0x167F, "Unified Canadian Aboriginal Syllabics" },
        { FALSE, 0x1680, 0x169F, "Ogham" },
        { FALSE, 0x16A0, 0x16FF, "Runic" },
        { FALSE, 0x1700, 0x171F, "Tagalog" },
        { FALSE, 0x1720, 0x173F, "Hanunoo" },
        { FALSE, 0x1740, 0x175F, "Buhid" },
        { FALSE, 0x1760, 0x177F, "Tagbanwa" },
        { FALSE, 0x1780, 0x17FF, "Khmer" },
        { FALSE, 0x1800, 0x18AF, "Mongolian" },
        { FALSE, 0x1900, 0x194F, "Limbu" },
        { FALSE, 0x1950, 0x197F, "Tai Le" },
        { FALSE, 0x1980, 0x19DF, "New Tai Lue" },
        { FALSE, 0x19E0, 0x19FF, "Khmer Symbols" },
        { FALSE, 0x1A00, 0x1A1F, "Buginese" },
        { FALSE, 0x1B00, 0x1B7F, "Balinese" },
        { FALSE, 0x1D00, 0x1D7F, "Phonetic Extensions" },
        { FALSE, 0x1D80, 0x1DBF, "Phonetic Extensions Supplement" },
        { FALSE, 0x1DC0, 0x1DFF, "Combining Diacritical Marks Supplement" },
        { FALSE, 0x1E00, 0x1EFF, "Latin Extended Additional" },
        { FALSE, 0x1F00, 0x1FFF, "Greek Extended" },
        { FALSE, 0x2000, 0x206F, "General Punctuation" },
        { FALSE, 0x2070, 0x209F, "Superscripts and Subscripts" },
        { FALSE, 0x20A0, 0x20CF, "Currency Symbols" },
        { FALSE, 0x20D0, 0x20FF, "Combining Diacritical Marks for Symbols" },
        { FALSE, 0x2100, 0x214F, "Letterlike Symbols" },
        { FALSE, 0x2150, 0x218F, "Number Forms" },
        { FALSE, 0x2190, 0x21FF, "Arrows" },
        { FALSE, 0x2200, 0x22FF, "Mathematical Operators" },
        { FALSE, 0x2300, 0x23FF, "Miscellaneous Technical" },
        { FALSE, 0x2400, 0x243F, "Control Pictures" },
        { FALSE, 0x2440, 0x245F, "Optical Character Recognition" },
        { FALSE, 0x2460, 0x24FF, "Enclosed Alphanumerics" },
        { FALSE, 0x2500, 0x257F, "Box Drawing" },
        { FALSE, 0x2580, 0x259F, "Block Elements" },
        { FALSE, 0x25A0, 0x25FF, "Geometric Shapes" },
        { FALSE, 0x2600, 0x26FF, "Miscellaneous Symbols" },
        { FALSE, 0x2700, 0x27BF, "Dingbats" },
        { FALSE, 0x27C0, 0x27EF, "Miscellaneous Mathematical Symbols-A" },
        { FALSE, 0x27F0, 0x27FF, "Supplemental Arrows-A" },
        { FALSE, 0x2800, 0x28FF, "Braille Patterns" },
        { FALSE, 0x2900, 0x297F, "Supplemental Arrows-B" },
        { FALSE, 0x2980, 0x29FF, "Miscellaneous Mathematical Symbols-B" },
        { FALSE, 0x2A00, 0x2AFF, "Supplemental Mathematical Operators" },
        { FALSE, 0x2B00, 0x2BFF, "Miscellaneous Symbols and Arrows" },
        { FALSE, 0x2C00, 0x2C5F, "Glagolitic" },
        { FALSE, 0x2C60, 0x2C7F, "Latin Extended-C" },
        { FALSE, 0x2C80, 0x2CFF, "Coptic" },
        { FALSE, 0x2D00, 0x2D2F, "Georgian Supplement" },
        { FALSE, 0x2D30, 0x2D7F, "Tifinagh" },
        { FALSE, 0x2D80, 0x2DDF, "Ethiopic Extended" },
        { FALSE, 0x2E00, 0x2E7F, "Supplemental Punctuation" },
        { FALSE, 0x2E80, 0x2EFF, "CJK Radicals Supplement" },
        { FALSE, 0x2F00, 0x2FDF, "Kangxi Radicals" },
        { FALSE, 0x2FF0, 0x2FFF, "Ideographic Description Characters" },
        { FALSE, 0x3000, 0x303F, "CJK Symbols and Punctuation" },
        { FALSE, 0x3040, 0x309F, "Hiragana" },
        { FALSE, 0x30A0, 0x30FF, "Katakana" },
        { FALSE, 0x3100, 0x312F, "Bopomofo" },
        { FALSE, 0x3130, 0x318F, "Hangul Compatibility Jamo" },
        { FALSE, 0x3190, 0x319F, "Kanbun" },
        { FALSE, 0x31A0, 0x31BF, "Bopomofo Extended" },
        { FALSE, 0x31C0, 0x31EF, "CJK Strokes" },
        { FALSE, 0x31F0, 0x31FF, "Katakana Phonetic Extensions" },
        { FALSE, 0x3200, 0x32FF, "Enclosed CJK Letters and Months" },
        { FALSE, 0x3300, 0x33FF, "CJK Compatibility" },
        { FALSE, 0x3400, 0x4DBF, "CJK Unified Ideographs Extension A" },
        { FALSE, 0x4DC0, 0x4DFF, "Yijing Hexagram Symbols" },
        { FALSE, 0x4E00, 0x9FFF, "CJK Unified Ideographs" },
        { FALSE, 0xA000, 0xA48F, "Yi Syllables" },
        { FALSE, 0xA490, 0xA4CF, "Yi Radicals" },
        { FALSE, 0xA700, 0xA71F, "Modifier Tone Letters" },
        { FALSE, 0xA720, 0xA7FF, "Latin Extended-D" },
        { FALSE, 0xA800, 0xA82F, "Syloti Nagri" },
        { FALSE, 0xA840, 0xA87F, "Phags-pa" },
        { FALSE, 0xAC00, 0xD7AF, "Hangul Syllables" },
        { FALSE, 0xD800, 0xDB7F, "High Surrogates" },
        { FALSE, 0xDB80, 0xDBFF, "High Private Use Surrogates" },
        { FALSE, 0xDC00, 0xDFFF, "Low Surrogates" },
        { FALSE, 0xE000, 0xF8FF, "Private Use Area" },
        { FALSE, 0xF900, 0xFAFF, "CJK Compatibility Ideographs" },
        { FALSE, 0xFB00, 0xFB4F, "Alphabetic Presentation Forms" },
        { FALSE, 0xFB50, 0xFDFF, "Arabic Presentation Forms-A" },
        { FALSE, 0xFE00, 0xFE0F, "Variation Selectors" },
        { FALSE, 0xFE10, 0xFE1F, "Vertical Forms" },
        { FALSE, 0xFE20, 0xFE2F, "Combining Half Marks" },
        { FALSE, 0xFE30, 0xFE4F, "CJK Compatibility Forms" },
        { FALSE, 0xFE50, 0xFE6F, "Small Form Variants" },
        { FALSE, 0xFE70, 0xFEFF, "Arabic Presentation Forms-B" },
        { FALSE, 0xFF00, 0xFFEF, "Halfwidth and Fullwidth Forms" },
        { FALSE, 0xFFF0, 0xFFFF, "Specials" },

        /* Cut the table here because we only support 4-byte characters */
        { FALSE, 0,      0,      NULL },
};

void blocks_sync(void)
{
        UnicodeBlock *block;

        profile_write("blocks");
        block = unicode_blocks;
        while (block->name) {
                profile_sync_short(&block->enabled);
                block++;
        }
        profile_write("\n");
}

void unicode_block_toggle(int block, int on)
{
        int pos, active, training_block_saved;

        if (block < 0 || unicode_blocks[block].enabled == on)
                return;
        unicode_blocks[block].enabled = on;
        active = gtk_combo_box_get_active(GTK_COMBO_BOX(blocks_combo));
        pos = block_unicode_to_combo(block);
        training_block_saved = training_block;
        if (!on)
                gtk_combo_box_remove_text(GTK_COMBO_BOX(blocks_combo), pos);
        else
                gtk_combo_box_insert_text(GTK_COMBO_BOX(blocks_combo), pos,
                                          unicode_blocks[block].name);
        update_enabled_samples();
        if ((!on && block <= training_block_saved) || active < 0)
                gtk_combo_box_set_active(GTK_COMBO_BOX(blocks_combo),
                                         active > 0 ? active - 1 : 0);

        /* Are we out of blocks? */
        if (gtk_combo_box_get_active(GTK_COMBO_BOX(blocks_combo)) < 0) {
                training_block = -1;
                cell_widget_train();
        }
}

/*
        Start-up message dialog
*/

#define WELCOME_MSG "You are either starting " PACKAGE_NAME " for the first " \
                    "time or have not yet created any training samples.\n\n" \
                    PACKAGE_NAME " requires accurate training samples of " \
                    "your characters before it can work.\n\n" \
                    PACKAGE_NAME " will now enter training mode. " \
                    "Carefully draw each character in its cell and then " \
                    "press the 'Train' button."

void startup_splash_show(void)
{
        GtkWidget *dialog;

        dialog = gtk_message_dialog_new(GTK_WINDOW(window),
                                        GTK_DIALOG_DESTROY_WITH_PARENT |
                                        GTK_DIALOG_MODAL, GTK_MESSAGE_INFO,
                                        GTK_BUTTONS_OK,
                                        "Welcome to " PACKAGE_STRING "!");
        gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
                                                 WELCOME_MSG);
        gtk_window_set_title(GTK_WINDOW(dialog),
                             "Welcome to " PACKAGE_NAME "!");
        gtk_dialog_run(GTK_DIALOG(dialog));
        gtk_widget_destroy(dialog);

        /* Press in the training button for the user */
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(train_button), TRUE);
}