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Add fill_mode to ProgressBar

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This commit is contained in:
floppyhammer 2021-02-19 14:02:59 +08:00
parent a12fe31e1f
commit f76d417d8a
3 changed files with 86 additions and 8 deletions
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17
doc/classes/ProgressBar.xml
View File

@ -9,10 +9,27 @@
<tutorials>
</tutorials>
<members>
<member name="fill_mode" type="int" setter="set_fill_mode" getter="get_fill_mode" default="0">
The fill direction. See [enum FillMode] for possible values.
</member>
<member name="percent_visible" type="bool" setter="set_percent_visible" getter="is_percent_visible" default="true">
If [code]true[/code], the fill percentage is displayed on the bar.
</member>
</members>
<constants>
<constant name="FILL_BEGIN_TO_END" value="0" enum="FillMode">
The progress bar fills from begin to end horizontally, according to the language direction. If [method Control.is_layout_rtl] returns [code]false[/code], it fills from left to right, and if it returns [code]true[/code], it fills from right to left.
</constant>
<constant name="FILL_END_TO_BEGIN" value="1" enum="FillMode">
The progress bar fills from end to begin horizontally, according to the language direction. If [method Control.is_layout_rtl] returns [code]false[/code], it fills from right to left, and if it returns [code]true[/code], it fills from left to right.
</constant>
<constant name="FILL_TOP_TO_BOTTOM" value="2" enum="FillMode">
The progress fills from top to bottom.
</constant>
<constant name="FILL_BOTTOM_TO_TOP" value="3" enum="FillMode">
The progress fills from bottom to top.
</constant>
</constants>
<theme_items>
<theme_item name="font_color" data_type="color" type="Color" default="Color(0.95, 0.95, 0.95, 1)">
The color of the text.

61
scene/gui/progress_bar.cpp
View File

@ -62,15 +62,42 @@ void ProgressBar::_notification(int p_what) {
Color font_color = get_theme_color(SNAME("font_color"));
draw_style_box(bg, Rect2(Point2(), get_size()));
float r = get_as_ratio();
int mp = fg->get_minimum_size().width;
int p = r * (get_size().width - mp);
if (p > 0) {
if (is_layout_rtl()) {
draw_style_box(fg, Rect2(Point2(p, 0), Size2(fg->get_minimum_size().width, get_size().height)));
} else {
draw_style_box(fg, Rect2(Point2(0, 0), Size2(p + fg->get_minimum_size().width, get_size().height)));
}
switch (mode) {
case FILL_BEGIN_TO_END:
case FILL_END_TO_BEGIN: {
int mp = fg->get_minimum_size().width;
int p = round(r * (get_size().width - mp));
// We want FILL_BEGIN_TO_END to map to right to left when UI layout is RTL,
// and left to right otherwise. And likewise for FILL_END_TO_BEGIN.
bool right_to_left = is_layout_rtl() ? (mode == FILL_BEGIN_TO_END) : (mode == FILL_END_TO_BEGIN);
if (p > 0) {
if (right_to_left) {
int p_remaining = round((1.0 - r) * (get_size().width - mp));
draw_style_box(fg, Rect2(Point2(p_remaining, 0), Size2(p + fg->get_minimum_size().width, get_size().height)));
} else {
draw_style_box(fg, Rect2(Point2(0, 0), Size2(p + fg->get_minimum_size().width, get_size().height)));
}
}
} break;
case FILL_TOP_TO_BOTTOM:
case FILL_BOTTOM_TO_TOP: {
int mp = fg->get_minimum_size().height;
int p = round(r * (get_size().height - mp));
if (p > 0) {
if (mode == FILL_TOP_TO_BOTTOM) {
draw_style_box(fg, Rect2(Point2(0, 0), Size2(get_size().width, p + fg->get_minimum_size().height)));
} else {
int p_remaining = round((1.0 - r) * (get_size().height - mp));
draw_style_box(fg, Rect2(Point2(0, p_remaining), Size2(get_size().width, p + fg->get_minimum_size().height)));
}
}
} break;
case FILL_MODE_MAX:
break;
}
if (percent_visible) {
@ -88,6 +115,16 @@ void ProgressBar::_notification(int p_what) {
}
}
void ProgressBar::set_fill_mode(int p_fill) {
ERR_FAIL_INDEX(p_fill, FILL_MODE_MAX);
mode = (FillMode)p_fill;
update();
}
int ProgressBar::get_fill_mode() {
return mode;
}
void ProgressBar::set_percent_visible(bool p_visible) {
percent_visible = p_visible;
update();
@ -98,10 +135,18 @@ bool ProgressBar::is_percent_visible() const {
}
void ProgressBar::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_fill_mode", "mode"), &ProgressBar::set_fill_mode);
ClassDB::bind_method(D_METHOD("get_fill_mode"), &ProgressBar::get_fill_mode);
ClassDB::bind_method(D_METHOD("set_percent_visible", "visible"), &ProgressBar::set_percent_visible);
ClassDB::bind_method(D_METHOD("is_percent_visible"), &ProgressBar::is_percent_visible);
ADD_PROPERTY(PropertyInfo(Variant::INT, "fill_mode", PROPERTY_HINT_ENUM, "Begin to End,End to Begin,Top to Bottom,Bottom to Top"), "set_fill_mode", "get_fill_mode");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "percent_visible"), "set_percent_visible", "is_percent_visible");
BIND_ENUM_CONSTANT(FILL_BEGIN_TO_END);
BIND_ENUM_CONSTANT(FILL_END_TO_BEGIN);
BIND_ENUM_CONSTANT(FILL_TOP_TO_BOTTOM);
BIND_ENUM_CONSTANT(FILL_BOTTOM_TO_TOP);
}
ProgressBar::ProgressBar() {

16
scene/gui/progress_bar.h
View File

@ -43,11 +43,27 @@ protected:
static void _bind_methods();
public:
enum FillMode {
FILL_BEGIN_TO_END,
FILL_END_TO_BEGIN,
FILL_TOP_TO_BOTTOM,
FILL_BOTTOM_TO_TOP,
FILL_MODE_MAX
};
void set_fill_mode(int p_fill);
int get_fill_mode();
void set_percent_visible(bool p_visible);
bool is_percent_visible() const;
Size2 get_minimum_size() const override;
ProgressBar();
private:
FillMode mode = FILL_BEGIN_TO_END;
};
VARIANT_ENUM_CAST(ProgressBar::FillMode);
#endif // PROGRESS_BAR_H