* 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
*
****************************************************************************/
-// 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 <process.h> // spawnl()
+#endif
/*---------------------------- Global variables ---------------------------*/
// 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);
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());
}
/****************************************************************************
{
}
+/****************************************************************************
+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
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;
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
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());
}
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
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;
- }
}
}
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();
}
}
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
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"
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)
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)
projects / wxWidgets.git / blobdiff