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Implement dynamic scaling of the LineEdit right icon based on control size and scale factor

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The implementation allows the LineEdit node to scale the right icon to match the font size first. Then, when the `expand_icon` option is enabled, the icon will expand to the full height of the node. The scale of the icon can then be controlled using the scale factor.

Co-authored-by: Tomasz Chabora <kobewi4e@gmail.com>
Co-authored-by: A Thousand Ships <96648715+AThousandShips@users.noreply.github.com>
This commit is contained in:
Nông Văn Tình 2024-11-22 21:27:36 +07:00
parent 235a32ad11
commit 270407b20a
3 changed files with 148 additions and 31 deletions
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15
doc/classes/LineEdit.xml
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@ -310,6 +310,9 @@
If [code]true[/code], the [LineEdit] doesn't display decoration.
</member>
<member name="focus_mode" type="int" setter="set_focus_mode" getter="get_focus_mode" overrides="Control" enum="Control.FocusMode" default="2" />
<member name="icon_expand_mode" type="int" setter="set_icon_expand_mode" getter="get_icon_expand_mode" enum="LineEdit.ExpandMode" default="0">
Define the scaling behavior of the [member right_icon].
</member>
<member name="keep_editing_on_text_submit" type="bool" setter="set_keep_editing_on_text_submit" getter="is_editing_kept_on_text_submit" default="false">
If [code]true[/code], the [LineEdit] will not exit edit mode when text is submitted by pressing [code]ui_text_submit[/code] action (by default: [kbd]Enter[/kbd] or [kbd]Kp Enter[/kbd]).
</member>
@ -352,6 +355,9 @@
<member name="right_icon" type="Texture2D" setter="set_right_icon" getter="get_right_icon">
Sets the icon that will appear in the right end of the [LineEdit] if there's no [member text], or always, if [member clear_button_enabled] is set to [code]false[/code].
</member>
<member name="right_icon_scale" type="float" setter="set_right_icon_scale" getter="get_right_icon_scale" default="1.0">
Scale ratio of the icon when [member icon_expand_mode] is set to [constant EXPAND_MODE_FIT_TO_LINE_EDIT].
</member>
<member name="secret" type="bool" setter="set_secret" getter="is_secret" default="false">
If [code]true[/code], every character is replaced with the secret character (see [member secret_character]).
</member>
@ -539,6 +545,15 @@
<constant name="KEYBOARD_TYPE_URL" value="7" enum="VirtualKeyboardType">
Virtual keyboard with additional keys to assist with typing URLs.
</constant>
<constant name="EXPAND_MODE_ORIGINAL_SIZE" value="0" enum="ExpandMode">
Use the original size for the right icon.
</constant>
<constant name="EXPAND_MODE_FIT_TO_TEXT" value="1" enum="ExpandMode">
Scale the right icon's size to match the size of the text.
</constant>
<constant name="EXPAND_MODE_FIT_TO_LINE_EDIT" value="2" enum="ExpandMode">
Scale the right icon to fit the LineEdit.
</constant>
</constants>
<theme_items>
<theme_item name="caret_color" data_type="color" type="Color" default="Color(0.95, 0.95, 0.95, 1)">