frame_window.cpp
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上传日期:2007-06-13
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- /*
- * ===========================================================================
- * PRODUCTION $Log: frame_window.cpp,v $
- * PRODUCTION Revision 1000.0 2004/06/01 21:32:04 gouriano
- * PRODUCTION PRODUCTION: IMPORTED [GCC34_MSVC7] Dev-tree R1.4
- * PRODUCTION
- * ===========================================================================
- */
- /* $Id: frame_window.cpp,v 1000.0 2004/06/01 21:32:04 gouriano Exp $
- * ===========================================================================
- *
- * PUBLIC DOMAIN NOTICE
- * National Center for Biotechnology Information
- *
- * This software/database is a "United States Government Work" under the
- * terms of the United States Copyright Act. It was written as part of
- * the author's official duties as a United States Government employee and
- * thus cannot be copyrighted. This software/database is freely available
- * to the public for use. The National Library of Medicine and the U.S.
- * Government have not placed any restriction on its use or reproduction.
- *
- * Although all reasonable efforts have been taken to ensure the accuracy
- * and reliability of the software and data, the NLM and the U.S.
- * Government do not and cannot warrant the performance or results that
- * may be obtained by using this software or data. The NLM and the U.S.
- * Government disclaim all warranties, express or implied, including
- * warranties of performance, merchantability or fitness for any particular
- * purpose.
- *
- * Please cite the author in any work or product based on this material.
- *
- * ===========================================================================
- *
- * Authors: Andrey Yazhuk
- *
- * File Description:
- *
- */
- #include <ncbi_pch.hpp>
- #include <gui/widgets/workspace/frame_window.hpp>
- #include <gui/utils/accel_table.hpp>
- BEGIN_NCBI_SCOPE
- const static double kUpdateUIPeriod = 0.5;
- const static int kUpdateTimerID = 1;
- CFrameWindow::CFrameWindow(int w, int h, const char* title)
- : TParent(w, h, title),
- m_BaseMenu(NULL),
- m_MenuBar(NULL),
- m_MenuBarH(0),
- m_CmdHintSlot(-1),
- m_StatusBarH(24),
- m_ClientGroup(NULL),
- m_Client(NULL),
- m_CmdTarget(NULL)
- {
- m_BaseMenu = new CMenuItem("Root");
- m_MenuBar = new CMenuBar1(0 , 0, w, 0);
- m_MenuBar->SetItems(m_BaseMenu);
- m_MenuBarH = m_MenuBar->GetPreferredSize().Y();
- m_MenuBar->size(w, m_MenuBarH);
- m_MenuBar->SetCmdTarget(this);
- m_MenuBar->SetHintListener(this);
-
- m_ClientGroup = new Fl_Group(0, m_MenuBarH, w, h - m_MenuBarH - m_StatusBarH);
- m_ClientGroup->box(FL_DOWN_BOX);
- m_ClientGroup->color(FL_WHITE);
- x_SetupStatusBar();
-
- resizable(m_ClientGroup);
- end();
-
- m_UpdateUITimer.Init(kUpdateTimerID, kUpdateUIPeriod, true, this);
- m_Event.StandardConfig();
- }
- CFrameWindow::~CFrameWindow()
- {
- hide();
- delete m_MenuBar;
- }
- /// override this function in derived class to create application-specific status bar
- void CFrameWindow::x_SetupStatusBar()
- {
- m_StatusBar = new CStatusBar1(0, h() - m_StatusBarH, w(), m_StatusBarH);
- m_CmdHintSlot = m_StatusBar->CreateSlot(200);
- m_StatusBar->SetSlotStyles(m_CmdHintSlot, ISBSlot::fResizable);
-
- /*CStatusBar1::TSlotHandle h_slot2 = m_StatusBar->CreateSlot(150);
- m_StatusBar->SetSlotStyles(h_slot2, ISBSlot::fDownBox | ISBSlot::fCenterText);
- m_StatusBar->SetSlotText(h_slot2, "The second one");
- CStatusBar1::TSlotHandle h_slot3 = m_StatusBar->CreateSlot(40);
- m_StatusBar->SetSlotStyles(h_slot3, ISBSlot::fUpBox | ISBSlot::fCenterText);
- m_StatusBar->SetSlotText(h_slot3, "Ins");*/
- }
- void CFrameWindow::ResetMenu(const CMenuItem& item)
- {
- m_MenuBar->SetItems((CMenuItem*) NULL); //reset
-
- m_BaseMenu = new CMenuItem("Root");
- m_BaseMenu->Merge(item);
- m_MenuBar->SetItems(m_BaseMenu->Clone());
- x_AddClientMenu();
- m_MenuBarH = m_MenuBar->GetPreferredSize().Y();
- x_Layout();
- redraw();
- }
- void CFrameWindow::ResetMenu()
- {
- m_MenuBar->SetItems(m_BaseMenu->Clone());
- m_MenuBarH = m_MenuBar->GetPreferredSize().Y();
- x_AddClientMenu();
- x_Layout();
- redraw();
- }
- void CFrameWindow::MergeMenu(const CMenuItem& item)
- {
- CMenuItem* root = m_MenuBar->GetRootItem();
- root = root->Clone();
- root->Merge(item);
- m_MenuBar->SetItems(root);
- m_MenuBarH = m_MenuBar->GetPreferredSize().Y();
- x_Layout();
- redraw();
- }
- void CFrameWindow::x_AddClientMenu()
- {
- const CMenuItem* item = m_Client ? m_Client->GetMenu() : NULL;
- if(item) {
- MergeMenu(*item);
- }
- }
- void CFrameWindow::RemoveClient()
- {
- if(m_Client) {
- if(m_CmdTarget) {
- RemoveChildCmdTarget(m_CmdTarget);
- }
-
- m_MenuBar->SetItems((CMenuItem*) NULL);
- m_MenuBarH = m_MenuBar->GetPreferredSize().Y();
- Fl_Widget* widget = dynamic_cast<Fl_Widget*>(m_Client);
- m_ClientGroup->remove(widget);
- m_ClientGroup->resizable(NULL);
-
- m_Client->SetFrameWindow(NULL);
- m_Client = NULL;
- }
- x_Layout();
- }
-
- void CFrameWindow::SetClient(IFrameWindowClient* client)
- {
- RemoveClient();
- Fl_Widget* widget = dynamic_cast<Fl_Widget*>(client);
- if(widget) {
- m_Client = client;
- m_Client->SetFrameWindow(this);
-
- m_ClientGroup->add(widget);
- widget->resize(m_ClientGroup->x(), m_ClientGroup->y(), m_ClientGroup->w(), m_ClientGroup->h());
- m_ClientGroup->resizable(widget);
- // update Menu Bar
- x_AddClientMenu();
- m_MenuBarH = m_MenuBar->GetPreferredSize().Y();
-
- m_CmdTarget = dynamic_cast<CCommandTarget*>(client);
- if(m_CmdTarget) {
- AddChildCmdTarget(m_CmdTarget);
- }
- }
- x_Layout();
- }
- void CFrameWindow::show()
- {
- if(! m_UpdateUITimer.IsRunning()) {
- m_UpdateUITimer.Start();
- }
- TParent::show();
- }
- void CFrameWindow::hide()
- {
- m_UpdateUITimer.Stop();
-
- TParent::hide();
- }
- void CFrameWindow::resize(int x, int y, int w, int h)
- {
- TParent::resize(x, y, w, h);
-
- x_Layout();
- }
- int CFrameWindow::handle(int event)
- {
- m_Event.OnFLTKEvent(event);
- bool handled = false;
- if(event == FL_KEYDOWN) {
- handled = x_HandleAccelerator();
- }
- if(! handled) {
- handled = (TParent::handle(event) != 0);
- if(! handled && event == FL_KEYDOWN) {
- handled = x_HandleMenuActivate();
- }
- }
- return handled;
- }
- bool CFrameWindow::x_HandleAccelerator()
- {
- int accel = m_Event.GetAccelByEvent();
- TCmdID cmd = eCmdInvalid;
- if(CAccelTable::GetCommandByAccel(accel, cmd)) {
- OnCommand(cmd);
- return true;
- }
- return false;
- }
- bool CFrameWindow::x_HandleMenuActivate()
- {
- if(m_Event.GetGUISignal() == CGUIEvent::eMenuActivateSignal) {
- if(m_MenuBar) {
- m_MenuBar->Activate();
- }
- }
- return false;
- }
- Fl_Widget* CFrameWindow::x_ClientWidget()
- {
- return dynamic_cast<Fl_Widget*>(m_Client);
- }
- // layouts child widgets
- void CFrameWindow::x_Layout()
- {
- m_MenuBar->size(w(), m_MenuBarH);
- if(m_Client) {
- m_ClientGroup->resize(0, m_MenuBarH, w(), h() - m_MenuBarH - m_StatusBarH);
- }
- m_StatusBar->resize(0, h() - m_StatusBarH, w(), m_StatusBarH);
- }
- void CFrameWindow::OnTimeout(int timer_id)
- {
- if(timer_id == kUpdateTimerID) {
- x_OnUpdateUI();
- }
- }
- void CFrameWindow::x_OnUpdateUI()
- {
- if(Fl::grab() == NULL && m_MenuBar) {
- m_MenuBar->UpdateItems();
- }
- }
- void CFrameWindow::OnHint(const string& hint)
- {
- m_StatusBar->SetSlotText(m_CmdHintSlot, hint);
-
- if(Fl::grab()) {
- flush(); // force repainting
- }
- }
- END_NCBI_SCOPE
- /*
- * ===========================================================================
- * $Log: frame_window.cpp,v $
- * Revision 1000.0 2004/06/01 21:32:04 gouriano
- * PRODUCTION: IMPORTED [GCC34_MSVC7] Dev-tree R1.4
- *
- * Revision 1.4 2004/05/21 22:27:56 gorelenk
- * Added PCH ncbi_pch.hpp
- *
- * Revision 1.3 2004/05/20 12:42:56 dicuccio
- * Fix compiler warning about int -> bool conversion
- *
- * Revision 1.2 2004/05/13 17:33:12 yazhuk
- * Added support for status bar, accelerators, keyboard activated menu bar
- *
- * Revision 1.1 2004/05/07 14:23:15 yazhuk
- * Initial revision
- *
- * ===========================================================================
- */