Question about GtkFileChooserDialog

Hi, When using the GtkFileChooserDialog, is there a way to get the number of files in the folder you select or when saving check if the file you select already exists in the folder or dosen't in the case of opening? Thanks a lot, Michal ___

Changing where the max/min values are on Scale Widgets

Hi, When you create a gtk_hscale the lower limit is automatically at the top and upper limit at the bottom is there a way of changing this? I have tried just changing the upper and lower values but this does not work properly, I have also tried putting negative page increments but this also

variables in g_signal_connect

When connecting signals to methods is is possible to add additional variables to the signals and if so in which way. Furthermore, the 4th variable, data, does it have to be a gpointer? I have the following function defined as: Horizontal_Zoom_In_clicked(GtkWidget *widget, int gt) and the signal

Disabling Button/Window focus

Hi, I was wondering if it is possible to temporary disable focus on buttons so they don't work and they do not light up when the mouse hovers over them. Is it also possible to disable the movement and resizeablilty of a window temporariliy. Furthermore, is it possible to set where we want a

Re: Re: [gdk] How use gdk-pixbuf...

GdkPixmap *pixmap; GdkPixbuf *pixbuf; GdkGC *gc; pixbuf = pixmap = gdk_pixbuf_new(NULL, gdk_pixbuf_get_width(pixbuf), gdk_pixbuf_get_height(pixbuf),

Re: [gdk] How use gdk-pixbuf...

I know some of glib/gtk+ and I'd like to use similar library. How to get GdkDrawable from GdkPixbuf? Use gdk_draw_pixbuf () to convert from GdkPixbuf to GdkDrawable. - Create new image - Insert into it some text, lines ect. - Insert into it some pictures from disk - Save it on disk

sensing window destruction

Hi, I was wondering how it is possible to sense when a widget is closed by the user and send change a specific variable as a result. Furthermore, is there a way other then gtk_widget_destroy to destroy/close widget windows because this causes seg faults for me in some occasions and in others

Acquring RGB values from GdkPixbuf

Hi, I am getting RGB videofeed from a camera and I am storing it in a PixBuf, from this PixBuf I wish to be able to acquire the shade (grayscale) value of pixels located at a particular x and y location. I have looked at the put_pixel() example in the API reference

Callback signals for Custom Widgets

Hi, I have created my own custom widget, and I was wondering how I can link or map GDK event types to my custom widget in particular the key_press_event and button_press_event. Furthermore, after a event type has been specified, say the button_press_event, will I have to actually specify what

Clarification about gtk_main() and running simultaneous non-gtk functions

Correct me if I'm wrong but the gtk_main() acts like an infinite while loop that waits for callbacks to the widgets that have been created before gtk_main() was called. My question is, except for the g_timer function which seems to just be for measuring proccesses inside actual callbacks, is it

State changing of Toggle Buttons

Hi, I was wondering if it is possible to set a Toggle Button's state to something else when you are inside another Toogle Button's callback. I know there is the gtk_toggle_button_set_active method but that requires you to have the GtkToggleButton. Is there another method that only uses the Widget

Questions about Overlay and multiple key-strokes

Hi, I have a couple of questions. Question 1. Is it possible to have an image (Jpeg) displayed and have a drawing area overlayed on top but still be able to view the image below it. If a drawing area is not allowed, is it possible to put something that resembles a drawing area over an image