Programming :: Invoke Cairo Functions From Glade?
Feb 12, 2011
I have created a glade file which so far have two regions in it:
1) On the right division is a toggle button which calls a C script when enabled.
2) I have a drawing area, in which I would like to plot a point (X-Y scatter plot). The plot should be generated dynamically using a C script. I am not sure how the integration between the two is possible for a drawing area.
In glade what properties of drawing area should I set? eg.expose event, realize etc. I was thinking of using cairo for generating the plot.
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May 1, 2011
After upgrading my media computer earlier today, I tried to run Samba config (system-config-samba) and it crashed. Running again in terminal I got the following error:-
Code:
import mainWindow
File "/usr/share/system-config-samba/mainWindow.py", line 30, in <module> import gtk.glade
ImportError: No module named glade
Ths was fixed by installing (via Synaptic):-
Code:
python-glade2
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Mar 11, 2010
Is it possible to define functions within other functions in C++? I know it is the case in other languages.
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Apr 18, 2011
this is my first time here: I've been programming GUI software in C# in MonoDev for some time now. I just noticed that I can use my favorite language, C, with Glade to do the same thing. I've been going through some tutorials with a little frustration with them. Some seem to be written for older Glade versions.
The latest example had me save my Glade project to a "tutorial.glade" file. Then run it through a 'gtk-builder-convert' utility. Problem: the utility program returns errors indicating the the tutorial.glade file was written badly, that there is supposed to be a <glade-interface> tag that is missing.
[Code]...
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Dec 17, 2010
I have searched the net for guides on GTK/Glade and have learned that I have to install Glade in order to experiment with it. It also appears that it only works for Perl. I would primarily like to use C ,Bash , Pascal or settle for Python if possible. Can anyone offer some general info on this topic?
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Jan 26, 2011
opening a text file from glade interface.how?using c code
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Jan 14, 2011
I have to execute certain commands (like shutdown Tomcat) on several servers so I'm using a loop and ssh. I put the server's IP on a CSV file which I parse, execute the commands for each line and send the output to a file. The problem is that after processing one line the program stops execution. I wonder if someone could lend me a hand with this, I'm new in bash scripting and I ran out of ideas.
The CSV (servers.csv) file looks like this:
Code:
192.168.254.5:Server 1
192.168.254.6:Server 2
...
And the script looks like this:
Code:
#!/bin/bash
while IFS=: read ip name
do
sshpass -p "pass" ssh -o "StrictHostKeyChecking no" root@"$ip" 'sh <CATALINA_BASE>/bin/shutdown.sh' >> output.log
done < servers.csv
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Jan 30, 2011
I am working with ubuntu (linux) and have to create a graphical user interface. The GUI is a 2-D plot that have to plot a point. The point ( x and y co-ordinates) are not hardcoded, and are coming from another file (another piece of code written in c / python). I was thinking to use Glade with c/python to create this. But, I am not sure how to start with this.
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May 16, 2010
My main problem right now is doing floating point arithmetic within a bash script, with variables.Right now I have a folder called "myExamples" with a script called "run_example" that runs with no issues.I plan to(1) create many folders inside [myExamples], that are named [example10] [example11]...each containing an identical copy of (run_example),(2) modify Line 172 of each copy of (run_example)...in one copy, it would be 3.00, the next copy would have 3.05, etc. (This part doesn't work!)How can I use the available calculator bc code to do floating point operationsMy code is below -
#!/bin/sh
# run from directory where this script is
cd `echo $0 | sed 's/(.*)/.*/1/'` # extract pathname
[code]....
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Nov 17, 2010
I'm working on an application which generates random shapes when clicking on a window. I designed the window using Motif. I want to invoke the ButtonPress Event .
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May 5, 2010
I am trying to import variable values from a profile file to a perl program.
I am using the below command for doing it.
Quote:
system (". /opt/bbfb/bin/setbbfbenv $codeset");
the above command does make variable values available to the running perl program..
Can some one help me on this front..
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May 17, 2010
When I try to invoke 'source' command from within a shell script, namely, myscript.sh, I get the following error message code...
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Dec 18, 2010
I am working on a small project for making a small configuration tool for ubuntu 9.10 for new linux users, that make their system working easily without knowledge of the linux commands.I created a gui in glade and loaded the gui with my python program to show up, now i wish to have some python codes that can launch a gnome terminal (and also pass some linux commands to it) on the click of a button contained in the glade file.
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Apr 11, 2011
I need help as I am not proficient with Linux C++ Programming. There are two parts which I need to do in the coding provided below.
1. Produce the program so it can output the word "Hey there!" and wait two minute and print the word "See you later!".
2. Produce the program that will output the text "Cool" every 20 seconds by setting a periodic task.
Quote:
#include <linux/kernel.h>
#include <linux/module.h>
MODULE_LICENSE("GPL");
int init_module(void)
{
printk("Hey there!
[Code]...
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Feb 16, 2011
I am running a Java application on the command line bash terminal under Mint Debian. I have JDK1.6.0_22 installed 64-bit, and the OS is 64-bit too. I have a few JAR files in the directory and a few native LWJGL libraries. When I run the application using the command line, all works fine.
Lets assume my directory where the files are is called /home/riz/MyGame. I change to that directory and this is the command I use code...
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Nov 11, 2010
Currently I am installing Cairo 1.6.4. I have followed the instructions mentioned in [URL]. When I try to install using "make install" I am getting the following error,
Making install in src
make[1]: Entering directory `/tmp/rrdbuild/cairo-1.6.4/src'
make[2]: Entering directory `/tmp/rrdbuild/cairo-1.6.4/src'
test -z "/usr/local/lib" || /bin/mkdir -p "/usr/local/lib"
[code]....
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Mar 19, 2011
None of my daemon scripts work now, and the startup process displayed errors. Should I reinstall the OS and start from scratch, or is there a way to recover these files? Is there a way to rebuild the files I deleted?
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Jan 8, 2011
I want to display something in my text view widget in glade using c code. that's all right.
now I need to attach a save button beneath the text view.so that on click the text view content should save as a txt file..
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Mar 26, 2011
could you please explain few questions about systemtap.
1st
===
seems gettimeofday_s() always returns 0 Code: stap -ve 'probe timer.s(4){ printf("%d ",
[code]....
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Apr 24, 2010
Where are the definitions for C library functions located? It was just recently that I realized that header files don't actually define any functions, they merely include their prototypes.
For instance, stdio.h includes the following line:
Code:
This just means that the definition of printf() is located in another file. What file? Is there some kind of default shared object file that is automatically included during compilation?
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Apr 4, 2011
I have problem to use an alias that defined in ksh93 script,in the functions in the same script onm Linux.I definied an alias in main: alias echo='echo -e' in order that echo will read backslashes but when i executed it in function, the alias didnt work, and performewd a regular echo, without -e
cat test.ksh
#!/bin/ksh
alias echo='echo -e'
checkUsage
[code]....
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May 15, 2011
have an application where from time to time I need to check the db for some value and run some functions to do some checks. is the best option do it as php daemon or cron job?Whatworried of cron job is the overalapping.
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Aug 12, 2010
But what is the difference between this...
Code:
my_fucnction () {
echo "Hello World"
}
Code:
function my_fucnction {
[Code]...
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Jan 4, 2011
Im implementing a chat application using Jabber/XMPP and gloox framework which should send and receive messages concurrently in Ubuntu Linux.
The problem faced is both the threads are created and pthread_join( ) is called for both.The iSend thread is scheduled first but gets suspended at cin. Once the recv( ) function is called, which runs in iRecv thread, the recv call back function handleMessage( ) is called. However the control never shifts back to the iSend thread which should call SendMessage( ) function.
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Apr 12, 2010
I am trying to write a simple program in C that involves nesting switches. For example switch 1 offers an option to go to module 1 or 2 or quit. when I go to module 1 there is another switch function offering two or more choices.
I can select either module 1 or 2 at the start of the program and the selection text for, say, module 1 prints to screen but then exits without allowing a second selection to be entered.
I tried using free([first selection]) thinking that might do the trick but it doesn't.
Is it possible to next switches on after another in C?
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May 9, 2010
The pthreads library on macos does not have barrier functions (pthread_barrier_t ....). Is there a way to get around this? I know I can do :
#ifdef __APPLE__
pthread_barrier_t ...
#else
my_barrier ...
#endif
But I would like to avoid this approach as there are a lot of places in my program where I would have to make this change. Can I perhaps rebuild the pthreads library on macos without affecting other apps ?
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May 15, 2010
My main problem right now is doing floating point arithmetic within a bash script, with variables.Right now I have a folder called "myExamples" with a script called "run_example" that runs with no issues.I plan to(1) create many folders inside [myExamples], that are named [example10] [example11]...each containing an identical copy of (run_example),(2) modify Line 172 of each copy of (run_example)...in one copy, it would be 3.00, the next copy would have 3.05, etc. (This part doesn't work!)How can use the available calculator bc code to do floating point operations?My code is below -
#!/bin/sh
# run from directory where this script is
cd `echo $0 | sed 's/(.*)/.*/1/'` # extract pathname
[code]...
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Mar 3, 2010
I could easily paste images on each other in Python through PIL (Python Imaging Library)
Now I need to use Cairo with C++ for the above purpose.I have referred the following but couldn't ge
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Dec 21, 2010
Let's show the problem: I have a socked connection (in a fd var). In certain moment, I need to use the same socket in two threads. Lets see in the example:
Code: int main(void)
{
int fd; // the socket
[code]....
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Feb 1, 2010
I have functions which return different data like: int, char*, double...
I also have a list of datatypes (INTEGER, TEXT, REAL...) which can be returned.
I need to map a datatype with function, which purpose is to return it. Therefore, when I determine a datatype, I would like to call the required function without doing switch all the time.
My idea is to have an array of structs like this:
Code:
struct type_func_map
{
int type;
void (*func_wrapper_int)(void); //void (*func_wrapper_text)(void); void (*func_wrapper_real)(void);
};
[Code].....
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