Need help in getting the design right with Openoffice.org
Hi , I am new to OpenOffice development and need some ideas on the following implementation. I am working on an C++ application which needs to interact with OpenOffice.org. The interaction will comprise of populating data in the spreadsheet application. The Calc application is intended to be used as UI for displaying values to the user, and allowing him to make changes. This interaction between the C++ application is required on Windows, Linux and Mac as well. I have the following questions: 1] I think I need to implement a UNO component which will implement a service to handle the interactions with the OpenOffice Calc application. This UNO component will be compiled as a shared library. My question is how does a C++ application interact with the shared library of the component. 2] I also need inputs on how I can pass function pointers (in the C++ application) during the Add-On menu creation, so that they get called when the user clicks on the Add-on menu items. Please let me know if you need more inputs. Thanks, Mangesh.
RE: Registering EventListeners on Add-on Menu item
Hi Ariel, Thanks for the quick reply. Actually I intend to implement this just as you describe. I intend to create an Extension to add my own Menu and toolbar items. Also I will be adding some Macros (functions which appear in the functions wizard), to the extension. The intention to add these UI items, is to transfer the call to the external application, so that the data from the external application can be populated in the spreadsheet. The actual functionality lies in the external application, and I need to get the calls redirected to the external application as and when the user invokes the menu items/toolbar items/macros in the extension. I have checked the link about the dispatch framework. However it is not clear to me, how it could be made to work with a C++ client. Could you direct me to some samples to illustrate the behavior. Regards, Mangesh -Original Message- From: Ariel Constenla-Haile [mailto:arie...@apache.org] Sent: Tuesday, January 08, 2013 4:33 PM To: api@openoffice.apache.org Subject: Re: Registering EventListeners on Add-on Menu item Hi Mangesh, On Tue, Jan 08, 2013 at 10:31:47AM +, Shukla, Mangesh wrote: Hi Ariel, Thanks for your response. I am talking about a real client application. When a Add-on button is clicked (or any other actions is performed), I need the external client application to get a notification ( or a callback) so that I can populate the spreadsheet with information from the external application. I have read the information about the Automation support (which is specific to Windows), but I intend to have this working on Mac as well as Linux OS. My preferred language is C++, as the client application uses C++. Please let me know if you need anything else. The first thing that comes to my mind, is why aren't you implementing all this with an extension, it would be much simpler: - you define a menu/toolbar item on Addons.xcu with a custom URL - you register a ProtocolHandler to handle this URL, the application framework will query your ProtocolHandler for an object that can dispatch this URL and provide feature updates: your Dispatch - when the user executes the menu/toolbar item, your Dispatch will be invoked to dispatch the respective URL, that is, perform the action associated with the URL (here you will populate the spreadsheet) Doing this with a client application is far more complex: you will have to intercept when the application framework queries for a Dispatch object, so that it is your client application the one that provides the Dispatch object, instead of the original ProtocolHandler. You can achieve this with a dispatch interceptor: http://wiki.openoffice.org/wiki/Documentation/DevGuide/OfficeDev/Dispatch_Interception Back to the original question: registering a menu/toolbar listener is impossible, this is as designed, it will be a huge performance issue; only the component in the application framework responsible for controlling the menu/tool bar is a menu/toolbar listener (it gets notified when the menu/toolbar item is selected/clicked, and dispatches the respective URL using the dispatch framework). Regards -- Ariel Constenla-Haile La Plata, Argentina
RE: communicating with a connected external application using OOBasic macro
Hi Ariel, Thanks for sharing the information and the sample code. At the moment, I am just exploring the concepts, that will be required to build my application. Your inputs are certainly helping me make good progress on this. Warm regards, Mangesh -Original Message- From: Ariel Constenla-Haile [mailto:arie...@apache.org] Sent: Thursday, February 21, 2013 3:59 PM To: api@openoffice.apache.org Subject: Re: communicating with a connected external application using OOBasic macro Hi Mangesh, On Wed, Feb 20, 2013 at 10:47:16AM +, Shukla, Mangesh wrote: Hi Ariel, Based on your suggestion below, I have implemented a Socket server in my external application dll , and now listen to it on a different port than the one that it connects with OOo. I have been able to connect with it from the OOBasic macro function. I am even able to send across a string to the external application using the socket connection. However I am facing some issues which I have posted on the openoffice forum. Could you please have a look and let me know if you have any suggestions to make it work. http://forum.openoffice.org/en/forum/viewtopic.php?f=44t=59806 Unless there is a typo, there is an error in the macro nBytesRead = oConnection.read()(aByteArray, 200) read() takes two arguments, you have read()(ByteArray, 200) You should be aware that read() blocks until it reads the amount you specify or the connection in closed. If your socket server writes 100, the macro will wait for other 100. On the socket code, the logic for reading looks wrong too: read(buffer, 256) will return after 256 bytes are read, or the connection is closed. With the exception thrown due to your Basic code, the connection gets closed by the clean-up performed by the OOo Basic engine, that's why it returns; but if the macro writes 200 bytes, read() will wait for the remaining 6. You better use recv, that tries to read up to some bytes, and you should read in a loop (if your buffer is 256 and the peer writes 300, the first recv will return 256, the second recv will return 44, -1 on error, and 0 when the peer closed the connection). Unfortunately, in AOO API the connector uses internally only read(), this means that unless you will read/write in a fixed size, you will need to use another language, and not AOO API, but the tools provided by that language. http://opengrok.adfinis-sygroup.org/source/xref/aoo-trunk/main/io/source/connector/ctr_socket.cxx#127 (Side note, flush() does nothing, obviously it does not make sense when they use read/write) Another point, your socket server should be accepting on its own thread, otherwise acceptConnection() will block your application. Attached is a dummy, untested example. It accepts only one connection at the time, and after reading the first peer's write, it closes the connection (for something more realistic, you'll need a multi-threaded server - I'd use boost::asio instead of AOO C++ language binding). Regards -- Ariel Constenla-Haile La Plata, Argentina
RE: UNO API
Hi Misha, Have you succeeded in setting up the build environment using the scripts. Are you able to build the C++ samples given in the SDK. I ask this, because it is important that you follow the steps mentioned in the wiki. http://wiki.openoffice.org/wiki/SDKInstallation Here you will also find instructions to build the C++ samples under VC++ . Once you are able to do this, let me know if you have any specific query on the use of UNO Api's. Thanks, Mangesh. -Original Message- From: k.misha [mailto:mi...@4k.com.ua] Sent: Tuesday, April 02, 2013 4:01 PM To: api@openoffice.apache.org Subject: RE: UNO API But where can I get some examples in visual studio C++? That documentation don't have enough examples =(неинеи-Original Message-неиFrom: Andreas Säger [mailto:ville...@t-online.de] неиSent: Tuesday, April 02, 2013 1:06 PMнеиTo: api@openoffice.apache.orgнеиSubject: Re: UNO APIнеинеи-BEGIN PGP SIGNED MESSAGE-неиHash: SHA1неинеиAm 02.04.2013 12:00, k.misha wrote:неи http://wiki.openoffice.org/wiki/Documentation/DevGuide/OpenOffice.org_Developers_GuideнеинеиThisнеи page is empty!неинеи-неинеиThis page is far from empty. It contains lots of text with an index toнеиthousands of documentation pages covering each and every aspect.неинеи-BEGIN PGP SIGNATURE-неиVersion: GnuPG v1.4.11 (GNU/Linux)неиComment: Using GnuPG with undefined - http://www.enigmail.net/неинеиiQEcBAEBAgAGBQJRWq2SAAoJEGTlfXWiA5oe3AYIAIGRa5YHm+15dnarzkZn3PSbнеиVOM8GiRPLh+TzaXwGixtAgpO9PVgDZumHCEbPNBXMf5yjKOHdqz1NxiF84+HWvmKнеи8TCOuJg8tuQ2fKjaRALu+cB9/tfHviSFWeKJ3EXx6kMsN3w5fCzGBSuFdklIYSBIнеиLi2LtVQ1BtIKV6oLUIxZ+rjM9w4CU+5I6Y+s7AnlW1JHGAirGSzehXmUhpdhUNibнеиxqHjQKQpSfrr5bbKM2dJVRL9a92G6q/bpVhEQnlGvMJtVTb9ccK7sdo9X/2n8akyнеиJAunOebYotihDNANgAjMX0MUQRpeTSJitIoKhrREZIxo2Pcj0H4wFZb2tub3Oj8=неи=Za7Hнеи-END PGP SIGNATURE-неинеи-неиTo unsubscribe, e-mail: api-unsubscr...@openoffice.apache.orgнеиFor additional commands, e-mail: api-h...@openoffice.apache.orgнеинеи - To unsubscribe, e-mail: api-unsubscr...@openoffice.apache.org For additional commands, e-mail: api-h...@openoffice.apache.org
