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Compiling GTK+ Applications

Compiling GTK+ Applications — How to compile your GTK+ application

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Void gtkboxreorderchild (GtkBox.box, GtkWidget.child, gint position); Moves child to a new position in the list of box children. Adobe zii patcher 4 2 64. The list is the children field of GtkBox, and contains both widgets packed GTKPACKSTART as well as widgets packed GTKPACKEND, in the order that these widgets were added to box. GTK provides support routines which makes getting extended information, such as pressure and tilt, from such devices quite easy. 23.2 Event Handling. The GTK signals we have already discussed are for high-level actions, such as a menu item being selected. However, sometimes it is useful to learn about lower-level occurrences, such as the mouse. Below are the code examples that are used in the above text which are not included in complete form elsewhere. Changes from 1.0 to 1.2 — Incompatible changes made between version 1.0 and version 1.2 Changes from 1.2 to 2.0 — Incompatible changes made between version 1.2 and version 2.0 Migrating from GtkFileSelection to GtkFileChooser Creating a GtkFileChooserDialog Selection Modes Installing a Preview widget Installing Extra Widgets New features.

Compiling GTK+ Applications on UNIX

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To compile a GTK+ application, you need to tell the compiler where tofind the GTK+ header files and libraries. This is done with thepkg-config utility.

The following interactive shell session demonstrates howpkg-config is used (the actual output onyour system may be different):

The simplest way to compile a program is to use the 'backticks'feature of the shell. If you enclose a command in backticks(not single quotes), then its output will besubstituted into the command line before execution. So to compilea GTK+ Hello, World, you would type the following:

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Deprecated GTK+ functions are annotated to make the compileremit warnings when they are used (e.g. with gcc, you need to usethe -Wdeprecated-declarations option). If these warnings areproblematic, they can be turned off by defining the preprocessorsymbol GDK_DISABLE_DEPRECATION_WARNINGS by using the commandlineoption -DGDK_DISABLE_DEPRECATION_WARNINGS

GTK+ deprecation annotations are versioned; by defining themacros GDK_VERSION_MIN_REQUIRED and GDK_VERSION_MAX_ALLOWED,you can specify the range of GTK+ versions whose API you wantto use. APIs that were deprecated before or introduced afterthis range will trigger compiler warnings.

Here is how you would compile hello.c if you want to allow itto use symbols that were not deprecated in 3.2:

And here is how you would compile hello.c if you don't wantit to use any symbols that were introduced after 3.4:

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Deprecated GTK+ functions are annotated to make the compileremit warnings when they are used (e.g. with gcc, you need to usethe -Wdeprecated-declarations option). If these warnings areproblematic, they can be turned off by defining the preprocessorsymbol GDK_DISABLE_DEPRECATION_WARNINGS by using the commandlineoption -DGDK_DISABLE_DEPRECATION_WARNINGS

GTK+ deprecation annotations are versioned; by defining themacros GDK_VERSION_MIN_REQUIRED and GDK_VERSION_MAX_ALLOWED,you can specify the range of GTK+ versions whose API you wantto use. APIs that were deprecated before or introduced afterthis range will trigger compiler warnings.

Here is how you would compile hello.c if you want to allow itto use symbols that were not deprecated in 3.2:

And here is how you would compile hello.c if you don't wantit to use any symbols that were introduced after 3.4:

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The older deprecation mechanism of hiding deprecated interfacesentirely from the compiler by using the preprocessor symbolGTK_DISABLE_DEPRECATED is still used for deprecated macros,enumeration values, etc. To detect uses of these in your code,use the commandline option -DGTK_DISABLE_DEPRECATED.There are similar symbols GDK_DISABLE_DEPRECATED,GDK_PIXBUF_DISABLE_DEPRECATED and G_DISABLE_DEPRECATED for GDK, GdkPixbuf andGLib.

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Similarly, if you want to make sure that your program doesn't use anyfunctions which may be problematic in a multidevice setting, you candefine the preprocessor symbol GDK_MULTIDEVICE_SAFE by using the commandline option -DGTK_MULTIDEVICE_SAFE=1.

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Useful autotools macros

GTK+ provides various macros for easily checking version and backends supported. The macros are

AM_PATH_GTK_3_0([minimum-version], [if-found], [if-not-found], [modules]) Nacho libre for free. https://soft-birthday.mystrikingly.com/blog/good-external-drive-for-ps4.

This macro should be used to check that GTK+ is installed and available for compilation. The four arguments are optional, and they are: minimum-version, the minimum version of GTK+ required for compilation; if-found, the action to perform if a valid version of GTK+ has been found; if-not-found, the action to perform if a valid version of GTK+ has not been found; modules, a list of modules to be checked along with GTK+.

GTK_CHECK_BACKEND([backend-name], [minimum-version], [if-found], [if-not-found])

This macro should be used to check if a specific backend is supported by GTK+. The minimum-version, if-found and if-not-found arguments are optional.




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