X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/38caaa61b154f60871cb6ec82040362762dd2dba..2d1084ea5d12797371d64fc3a96a18668e19b16d:/contrib/src/applet/appletwindow.cpp diff --git a/contrib/src/applet/appletwindow.cpp b/contrib/src/applet/appletwindow.cpp index b7effb3bd0..9329a0bb20 100644 --- a/contrib/src/applet/appletwindow.cpp +++ b/contrib/src/applet/appletwindow.cpp @@ -5,23 +5,19 @@ * Copyright (C) 1991-2001 SciTech Software, Inc. * All rights reserved. * -* ====================================================================== -* |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW| -* | | -* |This copyrighted computer code is a proprietary trade secret of | -* |SciTech Software, Inc., located at 505 Wall Street, Chico, CA 95928 | -* |USA (www.scitechsoft.com). ANY UNAUTHORIZED POSSESSION, USE, | -* |VIEWING, COPYING, MODIFICATION OR DISSEMINATION OF THIS CODE IS | -* |STRICTLY PROHIBITED BY LAW. Unless you have current, express | -* |written authorization from SciTech to possess or use this code, you | -* |may be subject to civil and/or criminal penalties. | -* | | -* |If you received this code in error or you would like to report | -* |improper use, please immediately contact SciTech Software, Inc. at | -* |530-894-8400. | -* | | -* |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW| -* ====================================================================== +* ======================================================================== +* +* The contents of this file are subject to the wxWindows License +* Version 3.0 (the "License"); you may not use this file except in +* compliance with the License. You may obtain a copy of the License at +* http://www.wxwindows.org/licence3.txt +* +* Software distributed under the License is distributed on an +* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* ======================================================================== * * Language: ANSI C++ * Environment: Any @@ -30,20 +26,32 @@ * ****************************************************************************/ -// For compilers that support precompilation -#include "wx/wxprec.h" -#include "wx/html/forcelnk.h" - // Include private headers #include "wx/applet/applet.h" #include "wx/applet/window.h" #include "wx/applet/loadpage.h" +#include "wx/applet/plugin.h" // Preprocessor Stuff #include "wx/applet/prepinclude.h" #include "wx/applet/prepecho.h" #include "wx/applet/prepifelse.h" +// wxWindows headers + +// Kind of pointless to use precompiled headers when this is the only +// file in this lib that would need them. +#include "wx/defs.h" +#include "wx/spawnbrowser.h" +#include "wx/html/forcelnk.h" +#include "wx/log.h" +#include "wx/msgdlg.h" +#include "wx/tbarbase.h" + +// crt +#ifdef __WXMSW__ +#include // spawnl() +#endif /*---------------------------- Global variables ---------------------------*/ @@ -62,6 +70,9 @@ END_EVENT_TABLE() // Implement the class functions for wxHtmlAppletWindow IMPLEMENT_CLASS(wxHtmlAppletWindow, wxHtmlWindow); +// Implement the dynamic class so it can be constructed dynamically +IMPLEMENT_DYNAMIC_CLASS(VirtualData, wxObject); + // Define the wxAppletList implementation #include "wx/listimpl.cpp" WX_DEFINE_LIST(wxAppletList); @@ -80,30 +91,33 @@ wxHtmlAppletWindow::wxHtmlAppletWindow( const wxSize& size, long style, const wxString& name) - : wxHtmlWindow(parent,id,pos,size,style,name) + : wxHtmlWindow(parent,id,pos,size,style,name), m_AppletList(wxKEY_STRING) { - //setup client navbars + // Init our locks + UnLock(); + + // setup client navbars if (navBar) { + m_NavBarEnabled = true; m_NavBar = navBar; m_NavBackId = navBackId; m_NavForwardId = navForwardId; } else { + m_NavBarEnabled = false; m_NavBar = NULL; } - //Add HTML preprocessors - // deleting preprocessors is done by the code within the window + m_NavBackId = navBackId; + m_NavForwardId = navForwardId; + // Add HTML preprocessors + // deleting preprocessors is done by the code within the window incPreprocessor = new wxIncludePrep(); // #include preprocessor - wxEchoPrep * echoPreprocessor = new wxEchoPrep(); // #echo preprocessor - wxIfElsePrep * ifPreprocessor = new wxIfElsePrep(); - + incPreprocessor->ChangeDirectory(m_FS); // give it access to our filesys object this->AddProcessor(incPreprocessor); - this->AddProcessor(echoPreprocessor); - this->AddProcessor(ifPreprocessor); - - + this->AddProcessor(new wxEchoPrep()); + this->AddProcessor(new wxIfElsePrep()); } /**************************************************************************** @@ -114,6 +128,18 @@ wxHtmlAppletWindow::~wxHtmlAppletWindow() { } +/**************************************************************************** +PARAMETERS: +dc - wxDC object to draw on + +REMARKS: +****************************************************************************/ +void wxHtmlAppletWindow::OnDraw( + wxDC& dc) +{ + wxHtmlWindow::OnDraw(dc); +} + /**************************************************************************** PARAMETERS: className - Name of the applet class to create an object for @@ -135,12 +161,7 @@ wxApplet *wxHtmlAppletWindow::CreateApplet( const wxSize& size) { // Dynamically create the class instance at runtime - wxClassInfo *info = wxClassInfo::FindClass(classId.c_str()); - if (!info) - return NULL; - wxObject *obj = info->CreateObject(); - if (!obj) - return NULL; + wxObject *obj = wxCreateDynamicObject(classId.c_str()); wxApplet *applet = wxDynamicCast(obj,wxApplet); if (!applet) return NULL; @@ -148,10 +169,50 @@ wxApplet *wxHtmlAppletWindow::CreateApplet( delete applet; return NULL; } - m_AppletList.Append(iName,applet); + else { + // do some fixups on the size if its screwed up + wxSize nsize = applet->GetBestSize(); + if (nsize.x < size.x) nsize.x = size.x; + if (nsize.y < size.y) nsize.y = size.y; + applet->SetSize(nsize); + } + + m_AppletList.Append(iName,(wxObject*)applet); return applet; } +/**************************************************************************** +PARAMETERS: +classId - Name of the Plugin class to create an object for + +RETURNS: +Pointer to the wxplugIn created, or NULL if unable to create the PlugIn. + +REMARKS: +This function is used to create new wxPlugIn objects dynamically based on the +class name as a string. This allows instances of wxPlugIn classes to be +created dynamically based on string values embedded in the custom tags of an +HTML page. +****************************************************************************/ +bool wxHtmlAppletWindow::CreatePlugIn( + const wxString& classId, + const wxString& cmdLine) +{ + // Dynamically create the class instance at runtime, execute it + // and then destroy it. + wxObject *obj = wxCreateDynamicObject(classId.c_str()); + wxPlugIn *plugIn = wxDynamicCast(obj,wxPlugIn); + if (!plugIn) + return false; + if (!plugIn->Create(this)) { + delete plugIn; + return false; + } + plugIn->Run(cmdLine); + delete plugIn; + return true; +} + /**************************************************************************** PARAMETERS: appletName - Name of the applet class to find @@ -207,58 +268,110 @@ Remove an applet from the manager. Called during applet destruction bool wxHtmlAppletWindow::LoadPage( const wxString& link) { - wxString href(link); + wxString href(link); - // TODO: This needs to be made platform inde if possible. if (link.GetChar(0) == '?'){ wxString cmd = link.BeforeFirst('='); wxString cmdValue = link.AfterFirst('='); - if(!(cmd.CmpNoCase("?EXTERNAL"))){ -#ifdef __WINDOWS__ - ShellExecute(this ? (HWND)this->GetHWND() : NULL,NULL,cmdValue.c_str(),NULL,"",SW_SHOWNORMAL); -#else - #error Platform not implemented yet! -#endif - return true; + // Launches the default Internet browser for the system. + if(!(cmd.CmpNoCase("?EXTERNAL"))) { + return wxSpawnBrowser(this, cmdValue.c_str()); } - if (!(cmd.CmpNoCase("?EXECUTE"))){ - wxMessageBox(cmdValue); - return true; + + // Launches an external program on the system. + if (!(cmd.CmpNoCase("?EXECUTE"))) { + int waitflag = P_NOWAIT; + bool ret; + wxString currentdir; + wxString filename, path, ext; + + // Parse the params sent to the execute command. For now the only + // parm is "wait". wait will cause spawn wait, default is nowait. + // Since we only need one param for now I am not going to make this + // any smater then it needs to be. If we need more params later i'll + // fix it. + int i = cmdValue.Find('('); + if (i != -1) { + wxString param = cmdValue.AfterFirst('('); + cmdValue.Truncate(i); + if (!param.CmpNoCase("wait)")) + waitflag = P_WAIT; + } + + currentdir = wxGetCwd(); + //we don't want to change the path of the virtual file system so we have to use these + //functions rather than the filesystem + wxSplitPath(cmdValue, &path, &filename, &ext); + if (path.CmpNoCase("") != 0) wxSetWorkingDirectory(path); + + ret = !spawnl( waitflag, cmdValue , NULL ); + //HACK should use wxExecute + //ret = wxExecute(filename, bool sync = FALSE, wxProcess *callback = NULL) + wxSetWorkingDirectory(currentdir); + + return ret; } + + // Looks for a href in a variable stored as a cookie. The href can be + // changed on the fly. if (!(cmd.CmpNoCase("?VIRTUAL"))){ - VirtualData& temp = *((VirtualData*)FindCookie(cmdValue)); - if (&temp) { - href = temp.GetHref(); + wxObject *obj = FindCookie(cmdValue); + VirtualData *virtData = wxDynamicCast(obj,VirtualData); + if (virtData) { + // recurse and loadpage, just in case the link is like another + // ? link + return LoadPage(virtData->GetHref()); } else { #ifdef CHECKED - wxMessageBox("VIRTUAL LINK ERROR: " + cmdValue + " does not exist."); + wxLogError(_T("VIRTUAL LINK ERROR: '%s' does not exist."), cmdValue.c_str()); #endif return true; } } - } - // Grab the directory from the string for use in the include preprocessor - // make sure we get either type of / or \. - int ch = link.Find('\\', true); - if (ch == -1) ch = link.Find('/', true); - if (ch != -1) { - wxFileSystem fs; - wxString tmp = link.Mid(0, ch+1); - fs.ChangePathTo(incPreprocessor->GetDirectory(), true); - fs.ChangePathTo(tmp, true); - incPreprocessor->ChangeDirectory(fs.GetPath()); + // This launches a qlet - It is like an applet but is more generic in that it + // can be of any wxWin type so it then has the freedom to do more stuff. + if (!(cmd.CmpNoCase("?WXPLUGIN"))){ + if (!cmdValue.IsNull()) { + // TODO: We are going to need to add code to parse the command line + // parameters string in here in the future... + wxString cmdLine = link.AfterFirst('('); + cmdLine = cmdLine.BeforeLast(')'); + if (!CreatePlugIn(cmdValue,cmdLine)) { +#ifdef CHECKED + wxLogError(_T("Launch PlugIn ERROR: '%s' does not exist."), cmdValue.c_str()); +#endif + } + } + return true; + } + + // This used in a link or href will take you back in the history. + if (!(cmd.CmpNoCase("?BACK"))){ + HistoryBack(); + return true; + } + + // This used in a link or href will take you forward in the history + if (!(cmd.CmpNoCase("?FORWARD"))){ + HistoryForward(); + return true; + } } // Inform all the applets that the new page is being loaded for (wxAppletList::Node *node = m_AppletList.GetFirst(); node; node = node->GetNext()) (node->GetData())->OnLinkClicked(wxHtmlLinkInfo(href)); + Show(false); + + m_openedlast = href; bool stat = wxHtmlWindow::LoadPage(href); + Show(true); // Enable/Dis the navbar tools - if (m_NavBar) { + if (m_NavBarEnabled) { m_NavBar->EnableTool(m_NavForwardId,HistoryCanForward()); m_NavBar->EnableTool(m_NavBackId,HistoryCanBack()); } @@ -313,6 +426,37 @@ bool wxHtmlAppletWindow::HistoryBack() return wxHtmlWindow::HistoryBack(); } +/**************************************************************************** +REMARKS: +This function is used to disable the navigation bars. If you want to +toggle to the navbars off you must call this function. +****************************************************************************/ +void wxHtmlAppletWindow::DisableNavBar() +{ + m_NavBarEnabled = false; +} + +/**************************************************************************** +REMARKS: +This function is used to enable the nav bars. If you toggle the nav bars on +you must call this function. +****************************************************************************/ +void wxHtmlAppletWindow::EnableNavBar() +{ + m_NavBarEnabled = true; +} + +/**************************************************************************** +REMARKS: +This function is used to set the nav bar to a new nav bar if you deleted the +one that you were useing. Usally this happens when you toggle a nav bar +on or off. +****************************************************************************/ +void wxHtmlAppletWindow::SetNavBar(wxToolBarBase *navBar) +{ + m_NavBar = navBar; +} + /**************************************************************************** PARAMETERS: msg - wxEvent message to be sent to all wxApplets @@ -323,24 +467,16 @@ to all other applets on the current page. This is the primary form of communication between applets on the page if they need to inform each other of internal information. -Note that the event handling terminates as soon as the first wxApplet -handles the event. If the event should be handled by all wxApplet's, -the event handlers for the applets should not reset the wxEvent::Skip() -value (ie: by default it is true). ****************************************************************************/ -void wxHtmlAppletWindow::SendMessage( - wxEvent& msg) +void wxHtmlAppletWindow::SendAppletMessage( + wxAppletEvent& msg) { - // Preset the skip flag - msg.Skip(); + // TODO: make a named target for messages, only send a message to the correct + // named applet // Process all applets in turn and send them the message for (wxAppletList::Node *node = m_AppletList.GetFirst(); node; node = node->GetNext()) { (node->GetData())->OnMessage(msg); - if (!msg.GetSkipped()){ - wxMessageBox("BREAK"); - break; - } } } @@ -431,10 +567,17 @@ need to change the page for the current window to a new window. void wxHtmlAppletWindow::OnLoadPage( wxLoadPageEvent &event) { - if (event.GetHtmlWindow() == this){ - if (LoadPage(event.GetHRef())){ - wxPageLoadedEvent evt; + // Test the mutex lock. + if (!(IsLocked())) { + Lock(); + if (event.GetHtmlWindow() == this) { + if (LoadPage(event.GetHRef())) { + // wxPageLoadedEvent evt; + // NOTE: This is reserved for later use as we might need to send + // page loaded events to applets. + } } + UnLock(); } } @@ -452,6 +595,23 @@ void wxHtmlAppletWindow::OnPageLoaded( Enable(true); } +/**************************************************************************** +PARAMETERS: +none + +REMARKS: +This function tries to lock the mutex. If it can't, returns +immediately with false. +***************************************************************************/ +bool wxHtmlAppletWindow::TryLock() +{ + if (!m_mutexLock) { + m_mutexLock = true; + return true; + } + return false; +} + /**************************************************************************** PARAMETERS: name - name of the last applet that changed the data in this object @@ -464,11 +624,25 @@ VirtualData is used to store information on the virtual links. VirtualData::VirtualData( wxString& name, wxString& group, - wxString& href ) + wxString& href, + wxString& plugin ) { m_name = name; m_group = group; m_href = href; + m_plugIn = plugin; +} + +/**************************************************************************** +PARAMETERS: +REMARKS: +VirtualData is used to store information on the virtual links. +****************************************************************************/ +VirtualData::VirtualData() +{ + m_name.Empty(); + m_group.Empty(); + m_href.Empty(); } #include "wx/html/m_templ.h" @@ -490,43 +664,66 @@ TAG_HANDLER_PROC(tag) wxString name; int width, height; + // Get access to our wxHtmlAppletWindow class wnd = m_WParser->GetWindow(); + if ((appletWindow = wxDynamicCast(wnd,wxHtmlAppletWindow)) == NULL) + return false; - if ((appletWindow = wxDynamicCast(wnd,wxHtmlAppletWindow)) != NULL){ - tag.ScanParam("WIDTH", "%i", &width); - tag.ScanParam("HEIGHT", "%i", &height); - if (tag.HasParam("CLASSID")){ - classId = tag.GetParam("CLASSID"); - if ( classId.IsNull() || classId.Len() == 0 ){ - wxMessageBox("wxApplet tag error: CLASSID is NULL or empty.","Error",wxICON_ERROR); - return false; - } - if (tag.HasParam("NAME")) - name = tag.GetParam("NAME"); - - // If the name is NULL or len is zero then we assume that the html guy - // didn't include the name param which is optional. - if ( name.IsNull() || name.Len() == 0 ) - name = classId; - - // We got all the params and can now create the applet - if ((applet = appletWindow->CreateApplet(classId, name, tag , wxSize(width, height))) != NULL){ - applet->Show(true); - m_WParser->OpenContainer()->InsertCell(new wxHtmlWidgetCell(applet,0)); - } - else - wxMessageBox("wxApplet error: Could not create:" + classId + "," + name); - } - else{ - wxMessageBox("wxApplet tag error: Can not find CLASSID param.","Error",wxICON_ERROR); + // Parse the applet dimensions from the tag + wxSize size = wxDefaultSize; + int al; + if (tag.HasParam("WIDTH")) { + tag.GetParamAsInt("WIDTH", &width); + size.SetWidth(width); + } + if (tag.HasParam("HEIGHT")) { + tag.GetParamAsInt("HEIGHT", &height); + size.SetHeight(height); + } + + // Parse the applet alignment from the tag + al = wxHTML_ALIGN_BOTTOM; + if (tag.HasParam(wxT("ALIGN"))) { + wxString alstr = tag.GetParam(wxT("ALIGN")); + alstr.MakeUpper(); // for the case alignment was in ".." + if (alstr == wxT("TEXTTOP") || alstr == wxT("TOP")) + al = wxHTML_ALIGN_TOP; + else if ((alstr == wxT("CENTER")) || (alstr == wxT("ABSCENTER"))) + al = wxHTML_ALIGN_CENTER; + } + + // Create the applet based on it's class + if (tag.HasParam("CLASSID")) { + classId = tag.GetParam("CLASSID"); + if (classId.IsNull() || classId.Len() == 0) { + wxMessageBox("wxApplet tag error: CLASSID is NULL or empty.","Error",wxICON_ERROR); return false; } - //Add more param parsing here. If or when spec changes. - //For now we'll ignore any other params those HTML guys - //might put in our tag. + if (tag.HasParam("NAME")) + name = tag.GetParam("NAME"); + + // If the name is NULL or len is zero then we assume that the html guy + // didn't include the name param which is optional. + if (name.IsNull() || name.Len() == 0) + name = classId; + + // We got all the params and can now create the applet + if ((applet = appletWindow->CreateApplet(classId, name, tag , size)) != NULL) { + applet->Show(true); + m_WParser->OpenContainer()->InsertCell(new wxHtmlAppletCell(applet,al)); + } + else + wxMessageBox("wxApplet error: Could not create:" + classId + "," + name); + } + else { + wxMessageBox("wxApplet tag error: Can not find CLASSID param.","Error",wxICON_ERROR); + return false; } - return false; + // Add more param parsing here. If or when spec changes. + // For now we'll ignore any other params those HTML guys + // might put in our tag. + return true; } TAG_HANDLER_END(wxApplet) @@ -535,6 +732,102 @@ TAGS_MODULE_BEGIN(wxApplet) TAGS_MODULE_ADD(wxApplet) TAGS_MODULE_END(wxApplet) +/**************************************************************************** +REMARKS: +Constructor for the HTML cell class to store our wxApplet windows in +the HTML page to be rendered by wxHTML. +****************************************************************************/ +wxHtmlAppletCell::wxHtmlAppletCell( + wxWindow *wnd, + int align) + : wxHtmlCell() +{ + int sx, sy; + m_Wnd = wnd; + m_Wnd->GetSize(&sx, &sy); + m_Width = sx, m_Height = sy; + switch (align) { + case wxHTML_ALIGN_TOP : + m_Descent = m_Height; + break; + case wxHTML_ALIGN_CENTER : + m_Descent = m_Height / 2; + break; + case wxHTML_ALIGN_BOTTOM : + default : + m_Descent = 0; + break; + } + SetCanLiveOnPagebreak(FALSE); +} + +/**************************************************************************** +REMARKS: +Implementation for the HTML cell class to store our wxApplet windows in +the HTML page to be rendered by wxHTML. +****************************************************************************/ +wxHtmlAppletCell::~wxHtmlAppletCell() +{ + delete m_Wnd; +} + +/**************************************************************************** +REMARKS: +Code to draw the html applet cell +****************************************************************************/ +void wxHtmlAppletCell::Draw( + wxDC& WXUNUSED(dc), + int WXUNUSED(x), + int WXUNUSED(y), + int WXUNUSED(view_y1), + int WXUNUSED(view_y2)) +{ + int absx = 0, absy = 0, stx, sty; + wxHtmlCell *c = this; + + while (c) { + absx += c->GetPosX(); + absy += c->GetPosY(); + c = c->GetParent(); + } + ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty); + m_Wnd->Move(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty); +} + +/**************************************************************************** +REMARKS: +Code to draw the html applet cell invisibly +****************************************************************************/ +void wxHtmlAppletCell::DrawInvisible( + wxDC& WXUNUSED(dc), + int WXUNUSED(x), + int WXUNUSED(y)) +{ + int absx = 0, absy = 0, stx, sty; + wxHtmlCell *c = this; + + while (c) { + absx += c->GetPosX(); + absy += c->GetPosY(); + c = c->GetParent(); + } + ((wxScrolledWindow*)(m_Wnd->GetParent()))->GetViewStart(&stx, &sty); + m_Wnd->Move(absx - wxHTML_SCROLL_STEP * stx, absy - wxHTML_SCROLL_STEP * sty); +} + +/**************************************************************************** +REMARKS: +Code to layout the html applet cell. +****************************************************************************/ +void wxHtmlAppletCell::Layout( + int w) +{ + int sx, sy; + m_Wnd->GetSize(&sx, &sy); + m_Width = sx, m_Height = sy; + wxHtmlCell::Layout(w); +} + // This is our little forcelink hack. FORCE_LINK(loadpage)