Source file: src/msg_list_window_pages.cpp
/* Copyright (C) 2004-2012 Daniel Verite
This file is part of Manitou-Mail (see http://www.manitou-mail.org)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "main.h"
#include "msg_list_window.h"
#include "query_listview.h"
#include "message_view.h"
#include "attachment_listview.h"
#include "browser.h"
#include <QSplitter>
#include <QRegExp>
#include <QList>
#include <QAction>
#include <QStackedWidget>
#include <QHeaderView>
void
msg_list_window::change_page(msgs_page* p)
{
// update the variables that have to point to the current page's data
m_qlist = p->m_page_qlist;
m_qAttch = p->m_page_attach;
m_msgview = p->m_page_msgview;
m_filter = p->m_page_filter;
mail_msg* tmp_item = m_pCurrentItem;
m_pCurrentItem = p->m_page_current_item;
p->m_page_current_item = tmp_item;
m_pages->raise_page(p);
enable_forward_backward();
set_title();
m_tags_box->reset_tags();
// highlight the choice in the fast selection listview if it makes sense
m_query_lv->set_focus_on_id(p->m_query_lvitem_id);
// redisplay body, attachments and all
mails_selected();
}
void
msg_list_window::select_all_text()
{
m_msgview->select_all_text();
}
void
msg_list_window::move_forward()
{
msgs_page* next = m_pages->next_page();
if (next)
change_page(next);
// else we're already at the end of the list, there's no going forward
}
void
msg_list_window::move_backward()
{
msgs_page* prev = m_pages->previous_page();
if (prev)
change_page(prev);
// else we're already at the beginning of the list, there's no going back
}
void
msg_list_window::enable_forward_backward()
{
bool back = (m_pages->previous_page()!=NULL);
bool forward = (m_pages->next_page()!=NULL);
m_action_move_backward->setEnabled(back);
m_action_move_forward->setEnabled(forward);
m_msgview->enable_page_nav(back, forward);
}
/*
Find and remove a page to get a place for a new one in the
m_pages list
*/
void
msg_list_window::free_msgs_page()
{
// when the current page is at the end of the list, remove the first page
// of the list (first=deeper in the stack in this context)
if (!m_pages->next_page()) {
DBG_PRINTF(5, "remove first page");
m_pages->remove_page(m_pages->first_page());
}
else {
// when the current page is not at the end of the list, remove
// the last page of the list
DBG_PRINTF(5, "remove last page");
m_pages->remove_page(m_pages->last_page());
}
}
/*
Change a widget's font for each of its instances (one per page)
'element'==1 => widget=list of messages and attachments
'element'==2 => widget=body
*/
void
msg_list_window::set_pages_font(int element, const QFont& font)
{
std::list<msgs_page*>::iterator it1;
for (it1=m_pages->begin(); it1!=m_pages->end(); ++it1) {
if (element==1) {
(*it1)->m_page_qlist->setFont(font);
(*it1)->m_page_attach->setFont(font);
}
else if (element==2) {
(*it1)->m_page_msgview->setFont(font);
}
}
}
/*
Refresh the status of a message in the listview. If code=-1,
remove the mail from the list
*/
void
msgs_page::refresh_status(mail_msg* msg, int code)
{
if (code==-1) {
/* warning: the message is not removed from the msgs_filter's list,
msg_list_window::remove_msg() should be used instead if that's
what's needed */
m_page_qlist->remove_msg(msg, false);
}
else {
m_page_qlist->update_msg(msg);
}
}
/*
Instantiate and fetch a new page based on the selection contained in
the filter 'f'.
If 'if_results' is true and the fetch returns no result (0 row),
then display an error instead of creating the page.
*/
void
msg_list_window::add_msgs_page(const msgs_filter* f, bool if_results _UNUSED_)
{
m_filter = new msgs_filter(*f);
QFont body_font;
QFont list_font;
QByteArray headerview_setup;
msgs_page* current = m_pages->current_page();
// current may be null if we're instantiating the first page
if (current) {
body_font = m_msgview->font();
list_font = m_qlist->font();
if (m_qlist->sender_recipient_swapped())
m_qlist->swap_sender_recipient(false);
headerview_setup = m_qlist->header()->saveState();
}
// new splitter
QStackedWidget* stackw = m_pages->stacked_widget();
QSplitter* l=new QSplitter(Qt::Vertical, this);
stackw->addWidget(l);
m_qlist = new mail_listview(l);
m_qlist->set_threaded(display_vars.m_threaded);
m_qlist->m_msg_window=this;
if (current)
m_qlist->setFont(list_font);
m_qlist->init_columns();
if (current)
m_qlist->header()->restoreState(headerview_setup);
if (!m_filter->m_fetched)
m_filter->fetch(m_qlist);
else
m_filter->make_list(m_qlist);
msg_list_postprocess();
m_msgview = new message_view(l, this);
if (current)
m_msgview->setFont(body_font);
connect(m_msgview, SIGNAL(on_demand_show_request()), this, SLOT(display_msg_contents()));
connect(m_msgview, SIGNAL(popup_body_context_menu()), this, SLOT(body_menu()));
connect(m_msgview, SIGNAL(page_back()), this, SLOT(move_backward()));
connect(m_msgview, SIGNAL(page_forward()), this, SLOT(move_forward()));
m_qAttch = new attch_listview(l);
connect(m_qAttch, SIGNAL(itemDoubleClicked(QTreeWidgetItem*,int)),
this, SLOT(attch_selected(QTreeWidgetItem*,int)));
connect(m_qAttch, SIGNAL(init_progress(const QString)),
this, SLOT(install_progressbar(const QString)));
connect(m_qAttch, SIGNAL(progress(int)), this, SLOT(show_progress(int)));
connect(m_qAttch, SIGNAL(finish_progress()), this, SLOT(uninstall_progressbar()));
connect(this, SIGNAL(abort_progress()), m_qAttch, SLOT(download_aborted()));
// splitter for 3 panes: list of messages / body / attachments list
static const int splitter_default_sizes[3] = {100,400,25};
QList<int> lsizes;
if (current) {
lsizes = current->m_page_splitter->sizes();
// don't allow any zero size for panels. This is necessary to avoid having the
// attachment list being almost invisible to the user
for (int i=0; i<3; i++) {
if (lsizes.at(i)==0) {
lsizes.replace(i, splitter_default_sizes[i]);
}
}
}
else {
for (int i=0; i<3; i++) {
int sz;
QString key;
key.sprintf("display/msglist/panel%d_size", i+1);
if (get_config().exists(key)) {
sz=get_config().get_number(key);
if (sz==0)
sz=splitter_default_sizes[i];
}
else
sz=splitter_default_sizes[i];
lsizes.append(sz);
}
}
/* avoid changing the listview's height each time the attachments view
is shown or hidden */
l->setStretchFactor(l->indexOf(m_qlist), 0);
l->setStretchFactor(l->indexOf(m_msgview), 1);
l->setStretchFactor(l->indexOf(m_qAttch), 0);
l->setSizes(lsizes);
m_qAttch->hide();
m_wSearch=NULL;
connect(m_qlist,SIGNAL(selection_changed()), this,SLOT(mails_selected()));
connect(m_qlist,SIGNAL(doubleClicked(const QModelIndex&)),
this,SLOT(mail_reply_all()));
connect(m_qlist, SIGNAL(clicked(const QModelIndex&)),
this, SLOT(action_click_msg_list(const QModelIndex&)));
connect(m_qlist, SIGNAL(scroll_page_down()), m_msgview, SLOT(page_down()));
if (m_pages->next_page()) {
// we're in the middle of a page list, and asked to go forward.
// let's remove all the pages that are after the current position
m_pages->cut_pages(m_pages->next_page());
}
int max_pages=get_config().get_number("msg_window_pages");
if (max_pages<2) max_pages=2;
if (m_pages->count() >= max_pages) {
free_msgs_page();
if (m_pages->count() >= max_pages) {
// Still no room for a new page? OK, forget it
DBG_PRINTF(5,"not enough pages!");
return;
}
}
// allocate and use a new page
msgs_page* page = new msgs_page();
page->m_page_filter = m_filter;
page->m_page_msgview = m_msgview;
page->m_page_attach = m_qAttch;
page->m_page_qlist = m_qlist;
page->m_page_current_item = NULL;
page->m_page_splitter = l;
page->m_msgs_window = this;
page->m_query_lvitem_id = m_query_lv->current_id();
m_pages->add_page(page);
m_pages->raise_page(page);
m_tags_box->reset_tags();
enable_forward_backward();
}
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