/* File: text.c */	#include <stdio.h>	#include <gtk/gtk.h>	//切換可編輯屬性	void text_toggle_editable (GtkWidget *checkbutton, GtkWidget *text)	{		gtk_text_set_editable(GTK_TEXT(text),			GTK_TOGGLE_BUTTON(checkbutton)->active);	}	//切換換行屬性	void text_toggle_word_wrap (GtkWidget *checkbutton, GtkWidget *text)	{		gtk_text_set_word_wrap(GTK_TEXT(text),			GTK_TOGGLE_BUTTON(checkbutton)->active);	}	void close_application( GtkWidget *widget, gpointer   data )	{		gtk_main_quit();	}	int main( int argc, char *argv[] )	{		GtkWidget *window;		GtkWidget *box1;		GtkWidget *box2;		GtkWidget *hbox;		GtkWidget *button;		GtkWidget *check;		GtkWidget *separator;		GtkWidget *table;		GtkWidget *vscrollbar;		GtkWidget *text;		GdkColormap *cmap;		GdkColor color;		GdkFont *fixed_font;		FILE *infile;		//初始化		gtk_set_locale();		gtk_init (&argc, &argv); 		window = gtk_window_new (GTK_WINDOW_TOPLEVEL);		gtk_widget_set_usize (window, 600, 500);		gtk_window_set_policy (GTK_WINDOW(window), TRUE, TRUE, FALSE);  		gtk_signal_connect (GTK_OBJECT (window), "destroy",			GTK_SIGNAL_FUNC(close_application), NULL);		gtk_window_set_title (GTK_WINDOW (window), "Text Widget");		gtk_container_set_border_width (GTK_CONTAINER (window), 0); 		box1 = gtk_vbox_new (FALSE, 0);		gtk_container_add (GTK_CONTAINER (window), box1);		gtk_widget_show (box1);  		box2 = gtk_vbox_new (FALSE, 10);		gtk_container_set_border_width (GTK_CONTAINER (box2), 10);		gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);		gtk_widget_show (box2);   		//建立表格容器 		table = gtk_table_new (2, 2, FALSE);		gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);		gtk_table_set_col_spacing (GTK_TABLE (table), 0, 2);		gtk_box_pack_start (GTK_BOX (box2), table, TRUE, TRUE, 0);		gtk_widget_show (table);  		//建立文本區		text = gtk_text_new (NULL, NULL);		gtk_text_set_editable (GTK_TEXT (text), TRUE);		gtk_table_attach (GTK_TABLE (table), text, 0, 1, 0, 1,		    GTK_EXPAND | GTK_SHRINK | GTK_FILL,		    GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);		gtk_widget_show (text);		//對文本區附加滾動條		vscrollbar = gtk_vscrollbar_new (GTK_TEXT (text)->vadj);		gtk_table_attach (GTK_TABLE (table), vscrollbar, 1, 2, 0, 1,		    GTK_FILL, GTK_EXPAND | GTK_SHRINK | GTK_FILL, 0, 0);		gtk_widget_show (vscrollbar);		//分配顏色		cmap = gdk_colormap_get_system();		color.red = 0xffff;		color.green = 0;		color.blue = 0;		if (!gdk_color_alloc(cmap, &color)) {			g_error("couldn't allocate color");		}		//載入字體集		fixed_font = gdk_fontset_load (		"12x24,-*-song-medium-r-normal--24-*-*-*-*-*-gb2312.1980-0");		gtk_widget_realize (text);		//凍結文本區		gtk_text_freeze (GTK_TEXT (text));  		gtk_text_insert (GTK_TEXT (text), NULL, 			&text->style->black, NULL, "支持", -1);		gtk_text_insert (GTK_TEXT (text), NULL, 			&color, NULL, "彩色的", -1);		gtk_text_insert (GTK_TEXT (text), NULL, 			&text->style->black, NULL, "文本和", -1);		gtk_text_insert (GTK_TEXT (text), fixed_font, 			&text->style->black, NULL, "字體(Font).\n\n", -1);  		//載入文件		infile = fopen("text.c", "r");  		if (infile) {			char buffer[1024];			int nchars;    			while (1) {				nchars = fread(buffer, 1, 1024, infile);				gtk_text_insert (GTK_TEXT (text), NULL, 					NULL, NULL, buffer, nchars);					if (nchars < 1024) break;			}    			fclose (infile);		}		//文本區解凍		gtk_text_thaw (GTK_TEXT (text));  		hbox = gtk_hbutton_box_new ();		gtk_box_pack_start (GTK_BOX (box2), hbox, FALSE, FALSE, 0);		gtk_widget_show (hbox);		check = gtk_check_button_new_with_label("可編輯");		gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, FALSE, 0);		gtk_signal_connect (GTK_OBJECT(check), "toggled",		      GTK_SIGNAL_FUNC(text_toggle_editable), text);		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), TRUE);		gtk_widget_show (check);		check = gtk_check_button_new_with_label("換行");		gtk_box_pack_start (GTK_BOX (hbox), check, FALSE, TRUE, 0);		gtk_signal_connect (GTK_OBJECT(check), "toggled",		      GTK_SIGNAL_FUNC(text_toggle_word_wrap), text);		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), FALSE);		gtk_widget_show (check);		separator = gtk_hseparator_new ();		gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);		gtk_widget_show (separator);		box2 = gtk_vbox_new (FALSE, 10);		gtk_container_set_border_width (GTK_CONTAINER (box2), 10);		gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);		gtk_widget_show (box2);  		button = gtk_button_new_with_label ("關閉");		gtk_signal_connect (GTK_OBJECT (button), "clicked",		      GTK_SIGNAL_FUNC(close_application),		      NULL);		gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);		GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);		gtk_widget_grab_default (button);		gtk_widget_show (button);				gtk_widget_show (window);		gtk_main ();  		return(0);       	}