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Merge pull request #37181 from jitspoe/master.button_icon_alignment

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Rémi Verschelde 2021-06-29 13:31:53 +02:00 committed by GitHub
commit 90982d60cb
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3 changed files with 90 additions and 54 deletions
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3
doc/classes/Button.xml
View file

@ -85,6 +85,9 @@
<member name="icon" type="Texture2D" setter="set_button_icon" getter="get_button_icon">
Button's icon, if text is present the icon will be placed before the text.
</member>
<member name="icon_align" type="int" setter="set_icon_align" getter="get_icon_align" enum="Button.TextAlign" default="0">
Specifies if the icon should be aligned to the left, right, or center of a button. Uses the same [enum TextAlign] constants as the text alignment. If centered, text will draw on top of the icon.
</member>
<member name="language" type="String" setter="set_language" getter="get_language" default="&quot;&quot;">
Language code used for line-breaking and text shaping algorithms, if left empty current locale is used instead.
</member>

137
scene/gui/button.cpp
View file

@ -49,9 +49,14 @@ Size2 Button::get_minimum_size() const {
if (!_icon.is_null()) {
minsize.height = MAX(minsize.height, _icon->get_height());
minsize.width += _icon->get_width();
if (xl_text != "") {
minsize.width += get_theme_constant("hseparation");
if (icon_align != ALIGN_CENTER) {
minsize.width += _icon->get_width();
if (xl_text != "") {
minsize.width += get_theme_constant("hseparation");
}
} else {
minsize.width = MAX(minsize.width, _icon->get_width());
}
}
}
@ -202,6 +207,21 @@ void Button::_notification(int p_what) {
}
Rect2 icon_region = Rect2();
TextAlign icon_align_rtl_checked = icon_align;
TextAlign align_rtl_checked = align;
// Swap icon and text alignment sides if right-to-left layout is set.
if (rtl) {
if (icon_align == ALIGN_RIGHT) {
icon_align_rtl_checked = ALIGN_LEFT;
} else if (icon_align == ALIGN_LEFT) {
icon_align_rtl_checked = ALIGN_RIGHT;
}
if (align == ALIGN_RIGHT) {
align_rtl_checked = ALIGN_LEFT;
} else if (align == ALIGN_LEFT) {
align_rtl_checked = ALIGN_RIGHT;
}
}
if (!_icon.is_null()) {
int valign = size.height - style->get_minimum_size().y;
if (is_disabled()) {
@ -209,20 +229,27 @@ void Button::_notification(int p_what) {
}
float icon_ofs_region = 0.0;
if (rtl) {
if (_internal_margin[SIDE_RIGHT] > 0) {
icon_ofs_region = _internal_margin[SIDE_RIGHT] + get_theme_constant("hseparation");
}
} else {
Point2 style_offset;
Size2 icon_size = _icon->get_size();
if (icon_align_rtl_checked == ALIGN_LEFT) {
style_offset.x = style->get_margin(SIDE_LEFT);
if (_internal_margin[SIDE_LEFT] > 0) {
icon_ofs_region = _internal_margin[SIDE_LEFT] + get_theme_constant("hseparation");
}
} else if (icon_align_rtl_checked == ALIGN_CENTER) {
style_offset.x = 0.0;
} else if (icon_align_rtl_checked == ALIGN_RIGHT) {
style_offset.x = -style->get_margin(SIDE_RIGHT);
if (_internal_margin[SIDE_RIGHT] > 0) {
icon_ofs_region = -_internal_margin[SIDE_RIGHT] - get_theme_constant("hseparation");
}
}
style_offset.y = style->get_margin(SIDE_TOP);
if (expand_icon) {
Size2 _size = get_size() - style->get_offset() * 2;
_size.width -= get_theme_constant("hseparation") + icon_ofs_region;
if (!clip_text) {
if (!clip_text && icon_align_rtl_checked != ALIGN_CENTER) {
_size.width -= text_buf->get_size().width;
}
float icon_width = _icon->get_width() * _size.height / _icon->get_height();
@ -233,21 +260,26 @@ void Button::_notification(int p_what) {
icon_height = _icon->get_height() * icon_width / _icon->get_width();
}
if (rtl) {
icon_region = Rect2(Point2(size.width - (icon_ofs_region + icon_width + style->get_margin(SIDE_RIGHT)), style->get_margin(SIDE_TOP) + (_size.height - icon_height) / 2), Size2(icon_width, icon_height));
} else {
icon_region = Rect2(style->get_offset() + Point2(icon_ofs_region, (_size.height - icon_height) / 2), Size2(icon_width, icon_height));
}
icon_size = Size2(icon_width, icon_height);
}
if (icon_align_rtl_checked == ALIGN_LEFT) {
icon_region = Rect2(style_offset + Point2(icon_ofs_region, Math::floor((valign - icon_size.y) * 0.5)), icon_size);
} else if (icon_align_rtl_checked == ALIGN_CENTER) {
icon_region = Rect2(style_offset + Point2(icon_ofs_region + Math::floor((size.x - icon_size.x) * 0.5), Math::floor((valign - icon_size.y) * 0.5)), icon_size);
} else {
if (rtl) {
icon_region = Rect2(Point2(size.width - (icon_ofs_region + _icon->get_size().width + style->get_margin(SIDE_RIGHT)), style->get_margin(SIDE_TOP) + Math::floor((valign - _icon->get_height()) / 2.0)), _icon->get_size());
} else {
icon_region = Rect2(style->get_offset() + Point2(icon_ofs_region, Math::floor((valign - _icon->get_height()) / 2.0)), _icon->get_size());
}
icon_region = Rect2(style_offset + Point2(icon_ofs_region + size.x - icon_size.x, Math::floor((valign - icon_size.y) * 0.5)), icon_size);
}
if (icon_region.size.width > 0) {
draw_texture_rect_region(_icon, icon_region, Rect2(Point2(), _icon->get_size()), color_icon);
}
}
Point2 icon_ofs = !_icon.is_null() ? Point2(icon_region.size.width + get_theme_constant("hseparation"), 0) : Point2();
if (align_rtl_checked == ALIGN_CENTER && icon_align_rtl_checked == ALIGN_CENTER) {
icon_ofs.x = 0.0;
}
int text_clip = size.width - style->get_minimum_size().width - icon_ofs.width;
text_buf->set_width(clip_text ? text_clip : -1);
@ -262,20 +294,15 @@ void Button::_notification(int p_what) {
Point2 text_ofs = (size - style->get_minimum_size() - icon_ofs - text_buf->get_size() - Point2(_internal_margin[SIDE_RIGHT] - _internal_margin[SIDE_LEFT], 0)) / 2.0;
switch (align) {
switch (align_rtl_checked) {
case ALIGN_LEFT: {
if (rtl) {
if (_internal_margin[SIDE_RIGHT] > 0) {
text_ofs.x = size.x - style->get_margin(SIDE_RIGHT) - text_width - _internal_margin[SIDE_RIGHT] - get_theme_constant("hseparation");
} else {
text_ofs.x = size.x - style->get_margin(SIDE_RIGHT) - text_width;
}
if (icon_align_rtl_checked != ALIGN_LEFT) {
icon_ofs.x = 0.0;
}
if (_internal_margin[SIDE_LEFT] > 0) {
text_ofs.x = style->get_margin(SIDE_LEFT) + icon_ofs.x + _internal_margin[SIDE_LEFT] + get_theme_constant("hseparation");
} else {
if (_internal_margin[SIDE_LEFT] > 0) {
text_ofs.x = style->get_margin(SIDE_LEFT) + icon_ofs.x + _internal_margin[SIDE_LEFT] + get_theme_constant("hseparation");
} else {
text_ofs.x = style->get_margin(SIDE_LEFT) + icon_ofs.x;
}
text_ofs.x = style->get_margin(SIDE_LEFT) + icon_ofs.x;
}
text_ofs.y += style->get_offset().y;
} break;
@ -283,31 +310,24 @@ void Button::_notification(int p_what) {
if (text_ofs.x < 0) {
text_ofs.x = 0;
}
text_ofs += icon_ofs;
if (icon_align_rtl_checked == ALIGN_LEFT) {
text_ofs += icon_ofs;
}
text_ofs += style->get_offset();
} break;
case ALIGN_RIGHT: {
if (rtl) {
if (_internal_margin[SIDE_LEFT] > 0) {
text_ofs.x = style->get_margin(SIDE_LEFT) + icon_ofs.x + _internal_margin[SIDE_LEFT] + get_theme_constant("hseparation");
} else {
text_ofs.x = style->get_margin(SIDE_LEFT) + icon_ofs.x;
}
if (_internal_margin[SIDE_RIGHT] > 0) {
text_ofs.x = size.x - style->get_margin(SIDE_RIGHT) - text_width - _internal_margin[SIDE_RIGHT] - get_theme_constant("hseparation");
} else {
if (_internal_margin[SIDE_RIGHT] > 0) {
text_ofs.x = size.x - style->get_margin(SIDE_RIGHT) - text_width - _internal_margin[SIDE_RIGHT] - get_theme_constant("hseparation");
} else {
text_ofs.x = size.x - style->get_margin(SIDE_RIGHT) - text_width;
}
text_ofs.x = size.x - style->get_margin(SIDE_RIGHT) - text_width;
}
text_ofs.y += style->get_offset().y;
if (icon_align_rtl_checked == ALIGN_RIGHT) {
text_ofs.x -= icon_ofs.x;
}
} break;
}
if (rtl) {
text_ofs.x -= icon_ofs.x;
}
Color font_outline_color = get_theme_color("font_outline_color");
int outline_size = get_theme_constant("outline_size");
if (outline_size > 0 && font_outline_color.a > 0) {
@ -315,10 +335,6 @@ void Button::_notification(int p_what) {
}
text_buf->draw(ci, text_ofs, color);
if (!_icon.is_null() && icon_region.size.width > 0) {
draw_texture_rect_region(_icon, icon_region, Rect2(Point2(), _icon->get_size()), color_icon);
}
} break;
}
}
@ -457,6 +473,16 @@ Button::TextAlign Button::get_text_align() const {
return align;
}
void Button::set_icon_align(TextAlign p_align) {
icon_align = p_align;
minimum_size_changed();
update();
}
Button::TextAlign Button::get_icon_align() const {
return icon_align;
}
bool Button::_set(const StringName &p_name, const Variant &p_value) {
String str = p_name;
if (str.begins_with("opentype_features/")) {
@ -519,14 +545,16 @@ void Button::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_language"), &Button::get_language);
ClassDB::bind_method(D_METHOD("set_button_icon", "texture"), &Button::set_icon);
ClassDB::bind_method(D_METHOD("get_button_icon"), &Button::get_icon);
ClassDB::bind_method(D_METHOD("set_expand_icon"), &Button::set_expand_icon);
ClassDB::bind_method(D_METHOD("is_expand_icon"), &Button::is_expand_icon);
ClassDB::bind_method(D_METHOD("set_flat", "enabled"), &Button::set_flat);
ClassDB::bind_method(D_METHOD("is_flat"), &Button::is_flat);
ClassDB::bind_method(D_METHOD("set_clip_text", "enabled"), &Button::set_clip_text);
ClassDB::bind_method(D_METHOD("get_clip_text"), &Button::get_clip_text);
ClassDB::bind_method(D_METHOD("set_text_align", "align"), &Button::set_text_align);
ClassDB::bind_method(D_METHOD("get_text_align"), &Button::get_text_align);
ClassDB::bind_method(D_METHOD("is_flat"), &Button::is_flat);
ClassDB::bind_method(D_METHOD("set_icon_align", "icon_align"), &Button::set_icon_align);
ClassDB::bind_method(D_METHOD("get_icon_align"), &Button::get_icon_align);
ClassDB::bind_method(D_METHOD("set_expand_icon"), &Button::set_expand_icon);
ClassDB::bind_method(D_METHOD("is_expand_icon"), &Button::is_expand_icon);
BIND_ENUM_CONSTANT(ALIGN_LEFT);
BIND_ENUM_CONSTANT(ALIGN_CENTER);
@ -539,6 +567,7 @@ void Button::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flat"), "set_flat", "is_flat");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_text"), "set_clip_text", "get_clip_text");
ADD_PROPERTY(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_text_align", "get_text_align");
ADD_PROPERTY(PropertyInfo(Variant::INT, "icon_align", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_icon_align", "get_icon_align");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "expand_icon"), "set_expand_icon", "is_expand_icon");
}

4
scene/gui/button.h
View file

@ -58,6 +58,7 @@ private:
bool expand_icon = false;
bool clip_text = false;
TextAlign align = ALIGN_CENTER;
TextAlign icon_align = ALIGN_LEFT;
float _internal_margin[4] = {};
void _shape();
@ -102,6 +103,9 @@ public:
void set_text_align(TextAlign p_align);
TextAlign get_text_align() const;
void set_icon_align(TextAlign p_align);
TextAlign get_icon_align() const;
Button(const String &p_text = String());
~Button();
};