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  • Refresh text shown in a Gtk Widget

    - by paultop6
    Hi Guys, Being resonably new to using GTK, im not fully aware of all its functionality. Basically, i have a GtkTreeView widget that has 4 Columns. I need to update the text displayed in the 4 columns every couple of seconds, but im not aware how to do this in GTK. Im aware that i could flush the data using gtk_tree_store_clear, but im not sure how to repopulate the columns and have the top level window refresh to show this new data. Any ideas? Regards Paul

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  • Testing C++ program with Testing classes over normally used classes

    - by paultop6
    Hi Guys, This will probably be a bot of a waffly question but ill try my best. I have a simple c++ program that i need to build testing for. I have 2 Classes i use besides the one i actually am using, these are called WebServer and BusinessLogicLayer. To test my own code i have made my own versions of these classes that feed dummy data to my class to test it functionality. I need to know a way of somehow, via a makefile for instance, how to tell the source code to use the test classes over the normally used classes. The test classes are in a different "tester" c++ file, and the tester c++ file also has its own header file. Regards Paul P.S. This is probably a badly worded question, but i dont know any better way to put my question.

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  • Gtk Based Graph

    - by paultop6
    Hi Guys, Bit of a general question here, i want to be able to make a line graph using GTK but im unsure how to approach this... Has anyone got any hints or tips? Regards Paul

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  • How Linux system monitor gets process stats

    - by paultop6
    Hi all, Im making a simple alternative to the default linux system monitor. Im looking to know how it lifts the process stats, which is displays in the Processes tab. It probably runs off /proc, but im unsure. Also, where could i find the source code for the system monitor program? Regards Paul

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  • Returning an array of tm* structs from a function

    - by paultop6
    Hi Guys, Im trying to create an array of tm* structs, and then return them at the end of the function. This is what i have at the moment: struct tm* BusinessLogicLayer::GetNoResponceTime() { struct tm* time_v[3]; struct tm* time_save; int s = 3; time_save = LastSavedTime(); time_v[0] = time_save; sleep(5); time_save = LastSavedTime(); time_v[1] = time_save; sleep(5); time_save = LastSavedTime(); time_v[2] = time_save; return time_v; } I understand that given the code i have now it will not be possible to return the array, because it will be destroyed when the function ends. Can anyone help me with regards to how i would go about being able to access the array from the returned value after the function has ended? Regards Paul

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  • Using Library files in Linux

    - by paultop6
    Hi Guys, Im trying to use some of the functions that are in the /lib/libproc-3.2.6.so library in my Ubuntu Distribution. I have downloaded and installed the header files and they are defined in my source files. Currently this is all im trying to do, just for starters... proc_t **read_proc = readproctab(0); But i get the following compiler error: /tmp/cclqMImG.o: In function `Sysmon::initialise_sysmon()': sysmon.cpp:(.text+0x494): undefined reference to `readproctab' collect2: ld returned 1 exit status Im aware im probably doing some wrong with the command im using to compile it, but due to lack of experience im not sure what im doign wrong. This is the g++ command im using to compile my cpp file: g++ -o sysmon.o sysmon.cpp `pkg-config --libs --cflags gtk+-2.0` Can someone please give me some pointers as to where im going wrong Regards Paul

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  • BadAlloc X Error

    - by paultop6
    Hi Guys, Im having some problems with a GTK program im trying to build. When i compile it i keep getting this error: This probably reflects a bug in the program. The error was 'BadAlloc (insufficient resources for operation)'. (Details: serial 195 error_code 11 request_code 53 minor_code 0) Ive traced it down to the following command that appears to be causing it: gtk_box_pack_start(GTK_BOX (Top_Graph), Widget_Get (Graph_Cpu), TRUE, TRUE, 0); Now Top_Graph and Graph_Cpu are both GtkVbox Widgets. Has anyone ever seen an error like this, and could they give me some advice as to how it is caused Regards Paul

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  • How to set text editable in GtkEntry

    - by paultop6
    Hi Guys, Pretty straight foward question, I have a GtkEntry widget that i want to set to be editable. I know the function i should use is: gtk_editable_set_editable But i dont know how to make it take a GtkEntry widget as an arguement Can anyone help me? Regards Paul

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  • Never ending function problem

    - by paultop6
    Hi Guys, Im trying to run a function that will never end (until the program is killed) How would i start such a function and be able to continue on past that function, because at the moment the program will not run past the never ending function. Regards Paul

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  • g_signal_connect error invalid use of member

    - by paultop6
    Hi Guys, More GTK questions, im trying to compile some code and im getting the following error: error: invalid use of member (did you forget the ‘&’ ?) This is comming from the g_signal_connect call: g_signal_connect ((gpointer) Drawing_Area_CPU, "expose-event", G_CALLBACK (graph_expose), NULL); Drawing_Area_CPU is a GtkWidget* and graph_expose is defined as: gboolean graph_expose(GtkWidget *widget, GdkEventExpose *event, gpointer data); So far as i can tell im doing everything right, but still i get this error. Can anyone help please? Regards Paul

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  • Change the label of GtkButton

    - by paultop6
    I want to be able to change the label of a GtkButton after the widget has been shown char *ButtonStance == "Connect"; GtkWidget *EntryButton = gtk_button_new_with_label(ButtonStance); gtk_box_pack_start(GTK_BOX(ButtonVbox), EntryButton, TRUE, TRUE, 0); gtk_box_pack_start(GTK_BOX(TopVbox), ButtonVbox, TRUE, TRUE, 0); gtk_widget_show_all(TopVbox); ButtonStance == "Disconnect"; gtk_button_set_label(GTK_BUTTON(EntryButton), ButtonStance); gtk_main(); Does anyone know how to do this?

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  • strftimedoesnt display year correctly

    - by paultop6
    Hi guys, i have the following code below: const char* timeformat = "%Y-%m-%d %H:%M:%S"; const int timelength = 20; char timecstring[timelength]; strftime(timecstring, timelength, timeformat, currentstruct); cout << "timecstring is: " << timecstring << "\n"; currentstruct is a tm*. The cout is giving me the date in the correct format, but the year is not 2010, but 3910. I know there is something to do with the year cound starting at 1900, but im not sure how to get strftime to recognise this and not add 1900 to the value of 2010 that is there, can anyone help. Regards Paul

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