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Added alignment to LineEdit GUI control.

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This commit is contained in:
Saracen 2015-08-15 07:47:22 +01:00
parent b2f9acb8c9
commit 0006f035eb
2 changed files with 124 additions and 16 deletions
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117
scene/gui/line_edit.cpp
View file

@ -145,6 +145,13 @@ void LineEdit::_input_event(InputEvent p_event) {
int old_cursor_pos = cursor_pos;
text = undo_text;
Ref<Font> font = get_font("font");
cached_width = 0;
for (int i = 0; i<text.length(); i++)
cached_width += font->get_char_size(text[i]).width;
if(old_cursor_pos > text.length()) {
set_cursor_pos(text.length());
} else {
@ -164,6 +171,13 @@ void LineEdit::_input_event(InputEvent p_event) {
selection_clear();
undo_text = text;
text = text.substr(cursor_pos,text.length()-cursor_pos);
Ref<Font> font = get_font("font");
cached_width = 0;
for (int i = 0; i<text.length(); i++)
cached_width += font->get_char_size(text[i]).width;
set_cursor_pos(0);
emit_signal("text_changed",text);
_change_notify("text");
@ -303,6 +317,18 @@ void LineEdit::_input_event(InputEvent p_event) {
}
}
void LineEdit::set_align(Align p_align) {
ERR_FAIL_INDEX(p_align, 4);
align = p_align;
update();
}
LineEdit::Align LineEdit::get_align() const{
return align;
}
Variant LineEdit::get_drag_data(const Point2& p_point) {
if (selection.drag_attempt && selection.enabled) {
@ -325,7 +351,13 @@ void LineEdit::drop_data(const Point2& p_point,const Variant& p_data){
if (p_data.get_type()==Variant::STRING) {
set_cursor_at_pixel_pos(p_point.x);
int selected = selection.end - selection.begin;
Ref<Font> font = get_font("font");
for (int i = selection.begin; i<selection.end; i++)
cached_width -= font->get_char_size(text[i]).width;
text.erase(selection.begin, selected);
append_at_cursor(p_data);
selection.begin = cursor_pos-selected;
selection.end = cursor_pos;
@ -365,8 +397,25 @@ void LineEdit::_notification(int p_what) {
get_stylebox("focus")->draw( ci, Rect2( Point2(), size ) );
}
int x_ofs=0;
switch (align) {
case ALIGN_FILL:
case ALIGN_LEFT: {
x_ofs=style->get_offset().x;
} break;
case ALIGN_CENTER: {
x_ofs=x_ofs=int(size.width-(cached_width))/2;
} break;
case ALIGN_RIGHT: {
x_ofs=x_ofs=int(size.width-style->get_offset().x-(cached_width));
} break;
}
int ofs=style->get_offset().x;
int ofs_max=width-style->get_minimum_size().width;
int char_ofs=window_pos;
@ -391,29 +440,29 @@ void LineEdit::_notification(int p_what) {
int char_width=font->get_char_size( cchar,next ).width;
// end of widget, break!
if ( (ofs+char_width) > ofs_max )
if ((x_ofs + char_width) > ofs_max)
break;
bool selected=selection.enabled && char_ofs>=selection.begin && char_ofs<selection.end;
if (selected)
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2( Point2( ofs , y_ofs ),Size2( char_width, y_area )),selection_color);
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(x_ofs, y_ofs), Size2(char_width, y_area)), selection_color);
font->draw_char(ci,Point2( ofs , y_ofs+font_ascent ), cchar, next,selected?font_color_selected:font_color );
font->draw_char(ci, Point2(x_ofs, y_ofs + font_ascent), cchar, next, selected ? font_color_selected : font_color);
if (char_ofs==cursor_pos && has_focus())
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(
Point2( ofs , y_ofs ), Size2( 1, y_area ) ), cursor_color );
Point2( x_ofs , y_ofs ), Size2( 1, y_area ) ), cursor_color );
ofs+=char_width;
x_ofs+=char_width;
char_ofs++;
}
if (char_ofs==cursor_pos && has_focus()) //may be at the end
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(
Point2( ofs , y_ofs ), Size2( 1, y_area ) ), cursor_color );
Point2( x_ofs , y_ofs ), Size2( 1, y_area ) ), cursor_color );
} break;
case NOTIFICATION_FOCUS_ENTER: {
@ -484,9 +533,29 @@ void LineEdit::shift_selection_check_post(bool p_shift) {
void LineEdit::set_cursor_at_pixel_pos(int p_x) {
int ofs=window_pos;
int pixel_ofs=get_stylebox("normal")->get_offset().x;
Ref<Font> font=get_font("font");
Ref<Font> font = get_font("font");
int ofs = window_pos;
Ref<StyleBox> style = get_stylebox("normal");
int pixel_ofs = 0;
Size2 size = get_size();
switch (align) {
case ALIGN_FILL:
case ALIGN_LEFT: {
pixel_ofs = int(style->get_offset().x);
} break;
case ALIGN_CENTER: {
pixel_ofs=int(size.width-(cached_width))/2;
} break;
case ALIGN_RIGHT: {
pixel_ofs=int(size.width-style->get_offset().x-(cached_width));
} break;
}
while (ofs<text.length()) {
@ -523,6 +592,8 @@ void LineEdit::delete_char() {
if ((text.length()<=0) || (cursor_pos==0)) return;
Ref<Font> font = get_font("font");
cached_width -= font->get_char_size(text[cursor_pos - 1]).width;
text.erase( cursor_pos-1, 1 );
@ -626,17 +697,22 @@ void LineEdit::append_at_cursor(String p_text) {
if ( ( max_length <= 0 ) || (text.length()+p_text.length() <= max_length)) {
undo_text = text;
Ref<Font> font = get_font("font");
for (int i = 0; i<p_text.length(); i++)
cached_width += font->get_char_size(p_text[i]).width;
String pre = text.substr( 0, cursor_pos );
String post = text.substr( cursor_pos, text.length()-cursor_pos );
text=pre+p_text+post;
set_cursor_pos(cursor_pos+p_text.length());
}
}
void LineEdit::clear_internal() {
cached_width = 0;
cursor_pos=0;
window_pos=0;
undo_text="";
@ -676,6 +752,12 @@ void LineEdit::selection_delete() {
if (selection.enabled) {
undo_text = text;
Ref<Font> font = get_font("font");
for (int i = selection.begin; i<selection.end; i++)
cached_width -= font->get_char_size(text[i]).width;
text.erase(selection.begin,selection.end-selection.begin);
cursor_pos-=CLAMP( cursor_pos-selection.begin, 0, selection.end-selection.begin);
@ -789,6 +871,8 @@ bool LineEdit::is_text_field() const {
void LineEdit::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_align", "align"), &LineEdit::set_align);
ObjectTypeDB::bind_method(_MD("get_align"), &LineEdit::get_align);
ObjectTypeDB::bind_method(_MD("_input_event"),&LineEdit::_input_event);
ObjectTypeDB::bind_method(_MD("clear"),&LineEdit::clear);
@ -809,15 +893,22 @@ void LineEdit::_bind_methods() {
ADD_SIGNAL( MethodInfo("text_changed", PropertyInfo( Variant::STRING, "text" )) );
ADD_SIGNAL( MethodInfo("text_entered", PropertyInfo( Variant::STRING, "text" )) );
BIND_CONSTANT(ALIGN_LEFT);
BIND_CONSTANT(ALIGN_CENTER);
BIND_CONSTANT(ALIGN_RIGHT);
BIND_CONSTANT(ALIGN_FILL);
ADD_PROPERTY( PropertyInfo( Variant::STRING, "text" ), _SCS("set_text"),_SCS("get_text") );
ADD_PROPERTYNZ(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), _SCS("set_align"), _SCS("get_align"));
ADD_PROPERTY( PropertyInfo( Variant::INT, "max_length" ), _SCS("set_max_length"),_SCS("get_max_length") );
ADD_PROPERTY( PropertyInfo( Variant::BOOL, "editable" ), _SCS("set_editable"),_SCS("is_editable") );
ADD_PROPERTY( PropertyInfo( Variant::BOOL, "secret" ), _SCS("set_secret"),_SCS("is_secret") );
}
LineEdit::LineEdit() {
align = ALIGN_LEFT;
cached_width = 0;
cursor_pos=0;
window_pos=0;
max_length = 0;

19
scene/gui/line_edit.h
View file

@ -37,6 +37,17 @@ class LineEdit : public Control {
OBJ_TYPE( LineEdit, Control );
public:
enum Align {
ALIGN_LEFT,
ALIGN_CENTER,
ALIGN_RIGHT,
ALIGN_FILL
};
private:
Align align;
bool editable;
bool pass;
@ -47,6 +58,8 @@ class LineEdit : public Control {
int window_pos;
int max_length; // 0 for no maximum
int cached_width;
struct Selection {
int begin;
@ -83,7 +96,8 @@ class LineEdit : public Control {
protected:
static void _bind_methods();
public:
void set_align(Align p_align);
Align get_align() const;
virtual Variant get_drag_data(const Point2& p_point);
virtual bool can_drop_data(const Point2& p_point,const Variant& p_data) const;
@ -119,4 +133,7 @@ public:
};
VARIANT_ENUM_CAST(LineEdit::Align);
#endif