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added titlebar text alignment options for the decoration plugin #3108

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Merged
ammen99 merged 2 commits into from
Aug 25, 2026
Merged

added titlebar text alignment options for the decoration plugin #3108

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5033650
added titlebar text alignment options for the decoration plugin
mrsteve0924 Aug 11, 2026
84439fe
fix indentation
ammen99 Aug 22, 2026
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34 changes: 34 additions & 0 deletions metadata/decoration.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,40 @@
<max>1.0</max>
<min>0.1</min>
</option>
<option name="title_halign" type="string">
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ammen99 marked this conversation as resolved.
<_short>Title horizontal alignment</_short>
<_long>Sets the horizontal alignment of the title text. Valid values are left, center and right.</_long>
<default>left</default>
<desc>
<value>left</value>
<_name>left</_name>
</desc>
<desc>
<value>center</value>
<_name>center</_name>
</desc>
<desc>
<value>right</value>
<_name>right</_name>
</desc>
</option>
<option name="title_valign" type="string">
<_short>Title vertical alignment</_short>
<_long>Sets the vertical alignment of the title text. Valid values are top, center and bottom.</_long>
<default>top</default>
<desc>
<value>top</value>
<_name>top</_name>
</desc>
<desc>
<value>center</value>
<_name>center</_name>
</desc>
<desc>
<value>bottom</value>
<_name>bottom</_name>
</desc>
</option>
<option name="title_height" type="int">
<_short>Title bar height</_short>
<_long>Sets the height of the title bars in pixels.</_long>
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37 changes: 37 additions & 0 deletions plugins/decor/deco-theme.cpp
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Expand Up @@ -86,8 +86,45 @@ cairo_surface_t*decoration_theme_t::render_text(std::string text,
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, font_desc);
pango_layout_set_text(layout, text.c_str(), text.size());

/* Horizontal alignment */
std::string halign = title_halign;

if (halign == "center")
{
pango_layout_set_width(layout, width * PANGO_SCALE);
pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
} else if (halign == "right")
{
pango_layout_set_width(layout, (width - 2) * PANGO_SCALE);
pango_layout_set_alignment(layout, PANGO_ALIGN_RIGHT);
} else
{
pango_layout_set_width(layout, width * PANGO_SCALE);
pango_layout_set_alignment(layout, PANGO_ALIGN_LEFT);
}

/* Vertical alignment */
int text_width, text_height;
pango_layout_get_pixel_size(layout, &text_width, &text_height);

std::string valign = title_valign;

double y = 0.0;

if (valign == "center")
{
y = (height - text_height) / 2.0;
} else if (valign == "bottom")
{
y = height - text_height;
}

cairo_move_to(cr, 0, y);

cairo_set_source_rgba(cr, color.r, color.g, color.b, color.a);
pango_cairo_show_layout(cr, layout);

pango_font_description_free(font_desc);
g_object_unref(layout);
cairo_destroy(cr);
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2 changes: 2 additions & 0 deletions plugins/decor/deco-theme.hpp
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Expand Up @@ -78,6 +78,8 @@ class decoration_theme_t
wf::option_wrapper_t<int> button_padding{"decoration/button_padding"};
wf::option_wrapper_t<wf::color_t> active_color{"decoration/active_color"};
wf::option_wrapper_t<wf::color_t> inactive_color{"decoration/inactive_color"};
wf::option_wrapper_t<std::string> title_halign{"decoration/title_halign"};
wf::option_wrapper_t<std::string> title_valign{"decoration/title_valign"};
};
}
}
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