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Added 'VMime Viewer' example.

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Vincent Richard 2005-03-17 16:32:07 +00:00
parent 2ca56a209f
commit f0e90748b3
3 changed files with 313 additions and 0 deletions
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5
ChangeLog
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@ -2,6 +2,11 @@
VERSION 0.6.4cvs
================
2005-03-17 Vincent Richard <vincent@vincent-richard.net>
* Added "Viewer" example in /examples/viewer: demonstrate the parsing
capabilities of VMime and it can help when debugging...
2005-03-16 Vincent Richard <vincent@vincent-richard.net>
* Fixed compilation problems on Solaris 9.

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examples/viewer/Makefile Normal file
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COMPILER=g++
CFLAGS=-g -I ../.. `pkg-config --cflags gtk+-2.0`
LDFLAGS=-I ../.. `pkg-config --libs gtk+-2.0`
viewer: viewer.o ../../libvmime-debug.a
$(COMPILER) $(LDFLAGS) -o viewer viewer.o ../../libvmime-debug.a
viewer.o: viewer.cpp
$(COMPILER) $(CFLAGS) -c -o viewer.o viewer.cpp
../../libvmime-debug.a:
@echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
@echo "! You must build VMime library before compiling the example !"
@echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
@false

290
examples/viewer/viewer.cpp Normal file
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//
// VMime library (http://vmime.sourceforge.net)
// Copyright (C) 2002-2005 Vincent Richard <vincent@vincent-richard.net>
//
// 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.
//
// This program 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, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
//
// EXAMPLE DESCRIPTION:
// ====================
// A simple MIME viewer to show all the components of a message.
// The user interface is written using GTK+ 2.6.
//
// For more information, please visit:
// http://vmime.sourceforge.net/
//
#include <iostream>
#include <fstream>
#include <vector>
#include <gtk/gtk.h>
#include "vmime/vmime.hpp"
#include "vmime/platforms/posix/posixHandler.hpp"
GtkWidget* window = NULL;
GtkWidget* treeView = NULL;
GtkWidget* textArea = NULL;
GtkTreeStore* treeModel = NULL;
vmime::message* currentMessage = NULL;
void insertRowInModel(GtkTreeStore* model, const vmime::component* comp, GtkTreeIter* parent = NULL)
{
GtkTreeIter iter;
gtk_tree_store_append(model, &iter, parent);
gtk_tree_store_set(model, &iter, 0, typeid(*comp).name(), 1, comp, -1);
const std::vector <const vmime::component*> children = comp->getChildComponents();
for (int i = 0 ; i < children.size() ; ++i)
{
insertRowInModel(model, children[i], &iter);
}
}
void updateTreeView()
{
GtkTreeStore* model = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(treeView)));
g_object_ref(model);
gtk_tree_view_set_model(GTK_TREE_VIEW(treeView), NULL);
gtk_tree_store_clear(model);
insertRowInModel(model, currentMessage);
gtk_tree_view_set_model(GTK_TREE_VIEW(treeView), GTK_TREE_MODEL(model));
g_object_unref(model);
}
static void treeViewSelChanged(GtkTreeView* treeView, gpointer userData)
{
GtkTreePath* path = NULL;
GtkTreeViewColumn* col = NULL;
gtk_tree_view_get_cursor(treeView, &path, &col);
GtkTreeIter iter;
gtk_tree_model_get_iter(GTK_TREE_MODEL(treeModel), &iter, path);
vmime::component* comp = NULL;
gtk_tree_model_get(GTK_TREE_MODEL(treeModel), &iter, 1, &comp, -1);
GtkTextBuffer* textBuffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textArea));
GtkTextIter start, end;
gtk_text_buffer_get_iter_at_offset(textBuffer, &start, comp->getParsedOffset());
gtk_text_buffer_get_iter_at_offset(textBuffer, &end, comp->getParsedOffset() + comp->getParsedLength());
gtk_text_buffer_select_range(textBuffer, &start, &end);
gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(textArea), &start, 0.0, FALSE, 0.0, 0.0);
gtk_tree_path_free(path);
}
static void destroy(GtkWidget* widget, gpointer data)
{
gtk_main_quit();
}
void openFile(const std::string& filename)
{
std::ifstream file;
file.open(filename.c_str(), std::ios::in | std::ios::binary);
if (!file)
{
std::cerr << "Can't open file '" << filename << "'." << std::endl;
return;
}
vmime::string data;
char buffer[16384];
do
{
file.read(buffer, sizeof(buffer));
data += vmime::string(buffer, file.gcount());
}
while (file.gcount());
vmime::message* msg = new vmime::message();
msg->parse(data);
delete (currentMessage);
currentMessage = msg;
char* convData = g_convert_with_fallback(data.c_str(), data.length(),
"UTF-8", "ISO-8859-1", "?", NULL, NULL, NULL);
if (convData == NULL)
{
gtk_text_buffer_set_text(gtk_text_view_get_buffer(GTK_TEXT_VIEW(textArea)),
"GLib UTF-8 conversion error.", -1);
}
else
{
gtk_text_buffer_set_text(gtk_text_view_get_buffer(GTK_TEXT_VIEW(textArea)),
convData, strlen(convData));
g_free(convData);
}
updateTreeView();
}
static void onFileOpen()
{
GtkWidget* dlg = gtk_file_chooser_dialog_new
("Open Message File", GTK_WINDOW(window), GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
NULL);
if (gtk_dialog_run(GTK_DIALOG(dlg)) == GTK_RESPONSE_ACCEPT)
{
char* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dlg));
openFile(filename);
g_free(filename);
}
gtk_widget_destroy(dlg);
}
// UI definitions
static const GtkActionEntry uiActions[] =
{
{ "FileMenu", NULL, "_File" },
{ "FileOpen", GTK_STOCK_OPEN, "_Open...", "<control>O", NULL, G_CALLBACK(onFileOpen) },
{ "FileExit", GTK_STOCK_QUIT, "_Exit", "<control>Q", NULL, G_CALLBACK(gtk_main_quit) }
};
static const char* uiDefinition =
"<ui>" \
" <menubar name=\"MainMenuBar\">" \
" <menu action=\"FileMenu\">" \
" <menuitem action=\"FileOpen\"/>" \
" <menuitem action=\"FileExit\"/>" \
" </menu>" \
" </menubar>" \
"</ui>";
int main(int argc, char* argv[])
{
// VMime initialization
vmime::platformDependant::setHandler<vmime::platforms::posix::posixHandler>();
// GTK+ initialization
gtk_init(&argc, &argv);
// Create a new window
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(window), 800, 550);
gtk_window_set_title(GTK_WINDOW(window), "VMime Viewer Example");
g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(destroy), NULL);
GtkWidget* vbox = gtk_vbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(window), vbox);
// Menubar
GtkActionGroup* actionGroup = gtk_action_group_new ("Actions");
gtk_action_group_add_actions(actionGroup, uiActions, G_N_ELEMENTS(uiActions), NULL);
GtkUIManager* uiManager = gtk_ui_manager_new();
gtk_ui_manager_insert_action_group(uiManager, actionGroup, 1);
gtk_ui_manager_add_ui_from_string(uiManager, uiDefinition, -1, NULL);
GtkWidget* menuBar = gtk_ui_manager_get_widget(uiManager, "/MainMenuBar");
gtk_box_pack_start(GTK_BOX(vbox), menuBar, FALSE, FALSE, 0);
// Horizontal Pane
GtkWidget* hpane = gtk_hpaned_new();
gtk_box_pack_start(GTK_BOX(vbox), hpane, TRUE, TRUE, 0);
// Tree View
treeModel = gtk_tree_store_new(2, G_TYPE_STRING, G_TYPE_POINTER);
treeView = gtk_tree_view_new();
g_signal_connect(G_OBJECT(treeView), "cursor-changed", G_CALLBACK(treeViewSelChanged), NULL);
GtkWidget* scroll = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scroll), GTK_SHADOW_IN);
gtk_container_add(GTK_CONTAINER(scroll), treeView);
gtk_paned_add1(GTK_PANED(hpane), scroll);
GtkTreeViewColumn* col = gtk_tree_view_column_new();
gtk_tree_view_column_set_title(col, "Component Name");
gtk_tree_view_append_column(GTK_TREE_VIEW(treeView), col);
GtkCellRenderer* renderer = gtk_cell_renderer_text_new();
gtk_tree_view_column_pack_start(col, renderer, TRUE);
gtk_tree_view_column_add_attribute(col, renderer, "text", 0);
gtk_tree_view_set_model(GTK_TREE_VIEW(treeView), GTK_TREE_MODEL(treeModel));
g_object_unref(treeModel);
gtk_widget_set_size_request(treeView, 200, 100);
// Text Area
textArea = gtk_text_view_new();
gtk_text_view_set_editable(GTK_TEXT_VIEW(textArea), FALSE);
scroll = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scroll), GTK_SHADOW_IN);
gtk_container_add(GTK_CONTAINER(scroll), textArea);
gtk_paned_add2(GTK_PANED(hpane), scroll);
// Show main window
gtk_widget_show_all(window);
// GTK main loop
gtk_main();
return 0;
}