mirror of https://github.com/GNOME/gimp.git
84 lines
1.7 KiB
Plaintext
84 lines
1.7 KiB
Plaintext
<!-- ##### SECTION Title ##### -->
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GimpChainButton
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<!-- ##### SECTION Short_Description ##### -->
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Widget to visually connect two entry widgets.
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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This widget provides a button showing either a linked or a broken
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chain that can be used to link two entries, spinbuttons, colors
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or other GUI elements and show that they may be locked. Use it for
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example to connect X and Y ratios to provide the possibility of a
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constrained aspect ratio.
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</para>
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<para>
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The #GimpChainButton only gives visual feedback, it does not really
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connect widgets. You have to take care of locking the values yourself
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by checking the state of the #GimpChainButton whenever a value changes
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in one of the connected widgets and adjusting the other value if
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necessary.
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</para>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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You may want to use the convenience function gimp_coordinates_new() to set
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up two GimpSizeEntries (see #GimpSizeEntry) linked with a #GimpChainButton.
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</para>
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<!-- ##### STRUCT GimpChainButton ##### -->
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<para>
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</para>
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<!-- ##### MACRO GIMP_CHAIN_BUTTON ##### -->
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<para>
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Checks if the passed pointer is a pointer to a #GimpChainButton and
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performs the cast if valid.
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</para>
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@obj: The pointer to cast.
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<!-- ##### ENUM GimpChainPosition ##### -->
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<para>
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</para>
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<!-- ##### FUNCTION gimp_chain_button_new ##### -->
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<para>
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</para>
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@position:
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@Returns:
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<!-- ##### FUNCTION gimp_chain_button_set_active ##### -->
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<para>
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</para>
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@gcb:
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@is_active:
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<!-- ##### FUNCTION gimp_chain_button_get_active ##### -->
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<para>
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</para>
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@gcb:
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@Returns:
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<!-- ##### SIGNAL GimpChainButton::toggled ##### -->
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<para>
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</para>
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@gimpchainbutton: the object which received the signal.
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