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add placeholder alpha property

sanikoyes 9 年之前
父节点
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c702981d57
共有 2 个文件被更改,包括 21 次插入2 次删除
  1. 18 2
      scene/gui/line_edit.cpp
  2. 3 0
      scene/gui/line_edit.h

+ 18 - 2
scene/gui/line_edit.cpp

@@ -637,7 +637,7 @@ void LineEdit::_notification(int p_what) {
 			const String& t = text.empty() ? placeholder : text;
 			// draw placeholder color
 			if(text.empty())
-				font_color.a *= 0.6;
+				font_color.a *= placeholder_alpha;
 
 			while(true) {
 
@@ -954,6 +954,18 @@ String LineEdit::get_placeholder() const {
 	return placeholder;
 }
 
+
+void LineEdit::set_placeholder_alpha(float p_alpha) {
+
+	placeholder_alpha = p_alpha;
+	update();
+}
+
+float LineEdit::get_placeholder_alpha() const {
+
+	return placeholder_alpha;
+}
+
 void LineEdit::set_cursor_pos(int p_pos) {
 
 	if (p_pos>(int)text.length())
@@ -1241,6 +1253,8 @@ void LineEdit::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("get_text"),&LineEdit::get_text);
 	ObjectTypeDB::bind_method(_MD("set_placeholder","text"),&LineEdit::set_placeholder);
 	ObjectTypeDB::bind_method(_MD("get_placeholder"),&LineEdit::get_placeholder);
+	ObjectTypeDB::bind_method(_MD("set_placeholder_alpha","alpha"),&LineEdit::set_placeholder_alpha);
+	ObjectTypeDB::bind_method(_MD("get_placeholder_alpha"),&LineEdit::get_placeholder_alpha);
 	ObjectTypeDB::bind_method(_MD("set_cursor_pos","pos"),&LineEdit::set_cursor_pos);
 	ObjectTypeDB::bind_method(_MD("get_cursor_pos"),&LineEdit::get_cursor_pos);
 	ObjectTypeDB::bind_method(_MD("cursor_set_blink_enabled", "enable"),&LineEdit::cursor_set_blink_enabled);
@@ -1275,7 +1289,8 @@ void LineEdit::_bind_methods() {
 	BIND_CONSTANT( MENU_MAX );
 
 	ADD_PROPERTYNZ( PropertyInfo( Variant::STRING, "text" ), _SCS("set_text"),_SCS("get_text") );
-	ADD_PROPERTYNZ( PropertyInfo( Variant::STRING, "placeholder" ), _SCS("set_placeholder"),_SCS("get_placeholder") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::STRING, "placeholder/text" ), _SCS("set_placeholder"),_SCS("get_placeholder") );
+	ADD_PROPERTYNZ( PropertyInfo( Variant::REAL, "placeholder/alpha",PROPERTY_HINT_RANGE,"0,1,0.001" ), _SCS("set_placeholder_alpha"),_SCS("get_placeholder_alpha") );
 	ADD_PROPERTYNZ(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), _SCS("set_align"), _SCS("get_align"));
 	ADD_PROPERTYNZ( PropertyInfo( Variant::INT, "max_length" ), _SCS("set_max_length"),_SCS("get_max_length") );
 	ADD_PROPERTYNO( PropertyInfo( Variant::BOOL, "editable" ), _SCS("set_editable"),_SCS("is_editable") );
@@ -1294,6 +1309,7 @@ LineEdit::LineEdit() {
 	window_has_focus=true;
 	max_length = 0;
 	pass=false;
+	placeholder_alpha=0.6;
 
 	selection_clear();
 	set_focus_mode( FOCUS_ALL );

+ 3 - 0
scene/gui/line_edit.h

@@ -68,6 +68,7 @@ private:
 	String undo_text;
 	String text;
 	String placeholder;
+	float placeholder_alpha;
 
 	PopupMenu *menu;
 
@@ -138,6 +139,8 @@ public:
 	String get_text() const;
 	void set_placeholder(String p_text);
 	String get_placeholder() const;
+	void set_placeholder_alpha(float p_alpha);
+	float get_placeholder_alpha() const;
 	void set_cursor_pos(int p_pos);
 	int get_cursor_pos() const;
 	void set_max_length(int p_max_length);