search.c

又一开源的解压缩chm格式文件的代码

/***************************************************************************
 *   Copyright (C) 2003 by zhong                                           *
 *   [e-mail]                                                        *
 *                                                                         *
 *   This program 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; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 ***************************************************************************/

#include <string.h>
#include <gtk/gtk.h>
#include <gtkhtml/gtkhtml-search.h>
#include "interface.h"

// 搜索当前页面代码

typedef struct _ChmSee_Search ChmSee_Search;
	
struct _ChmSee_Search {

	GtkWidget	*search_chm_html;
	GtkWidget	*search_entry;
	GtkWidget	*search_checkbutton;
	GtkWidget	*button2;
	GtkWidget	*button3;
};

static GtkWidget *button_next_new(void) {

  GtkWidget *button2;
  GtkWidget *alignment2;
  GtkWidget *hbox3;
  GtkWidget *image2;
  GtkWidget *label2;
	
  button2 = gtk_button_new ();
  gtk_widget_show (button2);

  alignment2 = gtk_alignment_new (0.5, 0.5, 0, 0);
  gtk_widget_show (alignment2);
  gtk_container_add (GTK_CONTAINER (button2), alignment2);

  hbox3 = gtk_hbox_new (FALSE, 2);
  gtk_widget_show (hbox3);
  gtk_container_add (GTK_CONTAINER (alignment2), hbox3);

  image2 = gtk_image_new_from_stock ("gtk-go-forward", GTK_ICON_SIZE_BUTTON);
  gtk_widget_show (image2);
  gtk_box_pack_start (GTK_BOX (hbox3), image2, FALSE, FALSE, 0);

  label2 = gtk_label_new_with_mnemonic ("下一个");
  gtk_widget_show (label2);
  gtk_box_pack_start (GTK_BOX (hbox3), label2, FALSE, FALSE, 0);
	return button2;	
}

static void 
chmsee_html_search(GtkWidget *widget, ChmSee_Search *sh_window) {

	gchar *text;
	gchar *text_utf;
	gboolean toggle_button;

	text = g_strdup_printf("%s", gtk_entry_get_text(GTK_ENTRY(sh_window->search_entry)));
	text_utf = g_locale_from_utf8(text, -1, NULL, NULL, NULL);
	
	toggle_button = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (sh_window->search_checkbutton));
	gtk_html_engine_search (GTK_HTML( sh_window->search_chm_html ), (const gchar *)text_utf, toggle_button, TRUE, FALSE);
}

static void 
chmsee_html_search_next(GtkWidget *widget, ChmSee_Search *sh_window) {

		gtk_html_engine_search_next (GTK_HTML( sh_window->search_chm_html ));
}

static void 
search_entry_changed (GtkEntry *entry, ChmSee_Search *sh_window) {
	
	const gchar *text;
	gint text_length;

	text = gtk_entry_get_text (GTK_ENTRY (entry));
	text_length = strlen(text);
	
	if (text_length >= 2) {
		gtk_widget_set_sensitive (sh_window->button2, TRUE);
		gtk_widget_set_sensitive (sh_window->button3, TRUE);
	} else {
		gtk_widget_set_sensitive (sh_window->button2, FALSE);
		gtk_widget_set_sensitive (sh_window->button3, FALSE);
	}
}

void create_search_window (GtkWidget *widget, ChmSee *window)
{
  ChmSee_Search *sh_window;
  sh_window = g_new0(ChmSee_Search, 1);
  GtkWidget *search_window;
  GtkWidget *vbox1;
  GtkWidget *hseparator1;
  GtkWidget *hbuttonbox1;
  GtkWidget *button1;

  sh_window->search_chm_html = window->chm_html;
  search_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_container_set_border_width (GTK_CONTAINER (search_window), 10);
  gtk_window_set_title (GTK_WINDOW (search_window), "搜索当前页面");
  gtk_window_set_resizable (GTK_WINDOW (search_window), FALSE);

  vbox1 = gtk_vbox_new (FALSE, 0);
  gtk_widget_show (vbox1);
  gtk_container_add (GTK_CONTAINER (search_window), vbox1);

  sh_window->search_entry = gtk_entry_new ();
  gtk_widget_show (sh_window->search_entry);
  gtk_box_pack_start (GTK_BOX (vbox1), sh_window->search_entry, FALSE, FALSE, 0);
  
   g_signal_connect (sh_window->search_entry, "changed", 
			  		G_CALLBACK (search_entry_changed),
			  		sh_window);

  sh_window->search_checkbutton = gtk_check_button_new_with_mnemonic ("区分大小写");
  gtk_widget_show (sh_window->search_checkbutton);
  gtk_box_pack_start (GTK_BOX (vbox1), sh_window->search_checkbutton, FALSE, FALSE, 4);

  hseparator1 = gtk_hseparator_new ();
  gtk_widget_show (hseparator1);
  gtk_box_pack_start (GTK_BOX (vbox1), hseparator1, FALSE, FALSE, 5);

  hbuttonbox1 = gtk_hbutton_box_new ();
  gtk_widget_show (hbuttonbox1);
  gtk_box_pack_start (GTK_BOX (vbox1), hbuttonbox1, FALSE, FALSE, 0);
  gtk_box_set_spacing (GTK_BOX (hbuttonbox1), 5);

  button1 = gtk_button_new_from_stock ("gtk-close");
  gtk_widget_show (button1);
  gtk_container_add (GTK_CONTAINER (hbuttonbox1), button1);
  GTK_WIDGET_SET_FLAGS (button1, GTK_CAN_DEFAULT);

  sh_window->button2 = gtk_button_new_from_stock ("gtk-find");
  gtk_widget_show (sh_window->button2);
  gtk_container_add (GTK_CONTAINER (hbuttonbox1), sh_window->button2);
  GTK_WIDGET_SET_FLAGS (sh_window->button2, GTK_CAN_DEFAULT);
  gtk_widget_set_sensitive (sh_window->button2, FALSE);

  sh_window->button3 = button_next_new();
  gtk_widget_show (sh_window->button3);
  gtk_container_add (GTK_CONTAINER (hbuttonbox1), sh_window->button3);
  GTK_WIDGET_SET_FLAGS (sh_window->button3, GTK_CAN_DEFAULT);
  gtk_widget_set_sensitive (sh_window->button3, FALSE);

  g_signal_connect_swapped ((gpointer) search_window, "destroy",
                            G_CALLBACK (gtk_widget_destroy),
                            GTK_OBJECT (search_window));
  g_signal_connect_swapped ((gpointer) button1, "clicked",
                            G_CALLBACK (gtk_widget_destroy),
                            GTK_OBJECT (search_window));
  g_signal_connect ((gpointer) sh_window->button2, "clicked",
                    G_CALLBACK (chmsee_html_search),
                    sh_window);
  g_signal_connect ((gpointer) sh_window->button3, "clicked",
                    G_CALLBACK (chmsee_html_search_next),
                    sh_window);

  gtk_widget_show( search_window );
}
// End

// 搜索目录代码